/* ============================== */
    /*           RESET                */
    /* ============================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
    body {
      font-family: var(--ff-body);
      color: var(--tx);
      background: var(--sf-0);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; }
    ul, ol { list-style: none; }
    img { max-width: 100%; display: block; }
    button { cursor: pointer; border: none; background: none; font-family: inherit; }
    input { font-family: inherit; }

    /* ============================== */
    /*           UTILITIES            */
    /* ============================== */
    .container {
      max-width: 1216px;
      margin: 0 auto;
      padding: 0 var(--s6);
    }
    .section-label {
      font-family: var(--ff-display);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--brand-text);
      margin-bottom: var(--s3);
    }
    .section-title {
      font-family: var(--ff-display);
      font-size: 2.25rem;
      font-weight: 300;
      color: var(--tx);
      letter-spacing: -0.01em;
      line-height: 1.15;
      margin-bottom: var(--s4);
    }
    .section-desc {
      font-size: 1.125rem;
      color: var(--tx-2);
      max-width: 560px;
      line-height: 1.7;
      font-weight: 300;
    }
    .section-header {
      text-align: center;
      margin-bottom: var(--s16);
    }
    .section-header .section-desc {
      margin: 0 auto;
    }

    /* ============================== */
    /*           BUTTONS              */
    /* ============================== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: var(--s2);
      font-family: var(--ff-display);
      font-weight: 700;
      font-size: 1.05rem;
      padding: 12px 28px;
      height: 46px;
      border-radius: 9999px;
      transition: all var(--dur-normal) var(--ease-out);
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--brand-dark); /* white text needs ≥4.5:1; --brand-light gave ~2.9:1 */
      color: #fff;
      box-shadow: var(--sh-brand);
    }
    .btn-primary:hover {
      background: var(--brand-darker);
      box-shadow: var(--sh-brand-lg);
      transform: translateY(-1px);
    }
    .btn-ghost {
      background: transparent;
      color: var(--tx);
      border: 1.5px solid var(--bd-strong);
    }
    .btn-ghost:hover {
      border-color: var(--brand);
      color: var(--brand);
    }
    .btn-ghost-light {
      background: transparent;
      color: var(--tx-on-dark);
      border: 1.5px solid rgba(255,255,255,0.25);
    }
    .btn-ghost-light:hover {
      border-color: rgba(255,255,255,0.6);
      background: rgba(255,255,255,0.06);
    }
    .btn-lg {
      font-size: 1rem;
      padding: 14px 32px;
      height: 48px;
    }

    /* ============================== */
    /*           NAV                  */
    /* ============================== */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 70px;
      display: flex;
      align-items: center;
      transition: background var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out), border-color var(--dur-normal) var(--ease-out);
      border-bottom: 1px solid transparent;
    }
    .nav.nav--solid {
      background: rgba(255,255,255,0.97);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom-color: var(--bd);
      box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    }
    [data-theme="dark"] .nav.nav--solid {
      background: rgba(15,25,35,0.97);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--s6);
      width: 100%;
      padding: 0 25px;
      position: relative;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 0;
      font-family: var(--ff-display);
      font-weight: 700;
      font-size: 0.96rem;
      color: var(--tx-on-dark);
      transition: color var(--dur-normal);
      flex: 1 0 auto;
    }
    .nav-logo img {
      height: 48px;
      width: auto;
      margin-right: -5px;
    }
    .nav--solid .nav-logo { color: var(--tx); }
    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--s6);
      flex: 0 0 auto;
      white-space: nowrap;
    }
    .nav-links a {
      font-family: var(--ff-display);
      font-size: 1.05rem;
      font-weight: 500;
      color: var(--tx-on-dark-2);
      transition: color var(--dur-fast);
    }
    .nav-links a:hover { color: var(--tx-on-dark); }
    .nav--solid .nav-links a { color: var(--tx-2); }
    .nav--solid .nav-links a:hover { color: var(--tx); }
    .nav-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: var(--s3);
      flex: 1 0 auto;
      white-space: nowrap;
    }
    .nav--solid .nav-actions .btn-ghost-light {
      color: var(--tx);
      border-color: var(--bd-strong);
    }
    .nav--solid .nav-actions .btn-ghost-light:hover {
      border-color: var(--brand);
      color: var(--brand);
    }
    .dark-toggle {
      width: 36px;
      height: 36px;
      border-radius: 9999px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--tx-on-dark-2);
      transition: color var(--dur-fast), background var(--dur-fast);
      font-size: 1.125rem;
    }
    .dark-toggle:hover {
      background: rgba(255,255,255,0.1);
      color: var(--tx-on-dark);
    }
    .nav--solid .dark-toggle { color: var(--tx-3); }
    .nav--solid .dark-toggle:hover {
      background: var(--sf-2);
      color: var(--tx);
    }
    .nav-hamburger {
      display: none;
      width: 36px;
      height: 36px;
      align-items: center;
      justify-content: center;
      color: var(--tx-on-dark-2);
      border-radius: var(--r-md);
    }
    .nav--solid .nav-hamburger { color: var(--tx-2); }
    .nav-hamburger svg { width: 22px; height: 22px; }

    /* Mobile menu */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 70px;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--sf-0);
      z-index: 999;
      padding: var(--s8) var(--s6);
      flex-direction: column;
      gap: var(--s2);
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-family: var(--ff-display);
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--tx);
      padding: var(--s4) 0;
      border-bottom: 1px solid var(--bd-light);
    }
    .mobile-menu-actions {
      display: flex;
      flex-direction: column;
      gap: var(--s3);
      margin-top: var(--s6);
    }
    .mobile-menu-actions .btn { width: 100%; justify-content: center; }

    /* ============================== */
    /*           HERO                 */
    /* ============================== */
    .hero {
      --shield-scale: 1;
      position: relative;
      background: linear-gradient(100deg, var(--hero-via) 0%, var(--hero-from) 100%);
      /* Fill the full viewport so the green hero (incl. the "Trusted…" line) is the
         whole first screen and the logo carousel stays BELOW the fold. */
      min-height: 100vh;
      padding: calc(70px + 10px) 0 24px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    /* On shorter viewports (e.g. a maximized window with browser chrome) scale the
       shield down so the hero + trust + carousel still fit without scrolling. */
    @media (max-height: 880px) { .hero { --shield-scale: 0.88; } }
    @media (max-height: 800px) { .hero { --shield-scale: 0.78; } }
    @media (max-height: 720px) { .hero { --shield-scale: 0.68; } }
    @media (max-height: 640px) { .hero { --shield-scale: 0.6; } }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
      background-size: 40px 40px;
      opacity: 0.4;
      pointer-events: none;
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 1216px;
      margin: 0 auto;
      padding: 0 var(--s6);
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: clamp(14px, 3vh, 56px);
    }
    .hero-top {
      display: flex;
      align-items: center;
      gap: var(--s8);
    }
    .hero-text {
      flex: 1;
      min-width: 0;
      transform: translateY(-25px);
    }
    .hero-subline {
      display: inline-block;
      align-self: center;
      text-align: center;
      white-space: nowrap;
      font-family: var(--ff-display);
      font-size: 0.9rem;
      font-weight: 400;
      color: var(--tx-on-dark-2);
      letter-spacing: 0.02em;
      border: 1px solid rgba(255,255,255,0.28);
      border-radius: 4px;
      padding: 8px 18px;
      margin: 0;
      animation: heroFadeUp 0.8s var(--ease-out) both;
    }
    .hero-brand-text {
      display: block;
      font-family: var(--ff-display);
      font-size: clamp(3.5rem, 7vw, 5.5rem);
      font-weight: 300;
      letter-spacing: 0.08em;
      line-height: 1;
      text-transform: uppercase;
      color: var(--tx-on-dark);
      margin-bottom: var(--s6);
      animation: heroFadeUp 0.8s var(--ease-out) 0.15s both;
    }
    .hero-desc {
      font-size: 1.125rem;
      font-weight: 300;
      color: var(--tx-on-dark-2);
      max-width: 520px;
      line-height: 1.7;
      margin-bottom: var(--s8);
      animation: heroFadeUp 0.8s var(--ease-out) 0.3s both;
    }

    /* Hero input group */
    .hero-input-group {
      display: flex;
      align-items: center;
      gap: var(--s3);
      max-width: 560px;
      background: rgba(255,255,255,0.06);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 9999px;
      padding: 6px 6px 6px 20px;
      animation: heroFadeUp 0.8s var(--ease-out) 0.45s both;
    }
    .hero-caps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      margin-top: var(--s4);
      animation: heroFadeUp 0.8s var(--ease-out) 0.5s both;
    }
    .hero-cap {
      font-family: var(--ff-display);
      font-size: 0.78rem;
      font-weight: 500;
      color: var(--tx-on-dark-2);
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 9999px;
      padding: 5px 13px;
      white-space: nowrap;
      text-decoration: none;
      cursor: pointer;
      transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
    }
    a.hero-cap:hover {
      background: rgba(255,255,255,0.12);
      border-color: rgba(255,255,255,0.32);
      color: var(--tx-on-dark);
    }
    .hero-email-input {
      flex: 1;
      font-family: var(--ff-mono);
      font-size: 0.8125rem;
      color: var(--tx-on-dark);
      background: transparent;
      border: none;
      outline: none;
      padding: var(--s2) 0;
      min-width: 0;
    }
    .hero-email-input::placeholder { color: var(--tx-on-dark-3); }
    .hero-email-input.shake { animation: evShake 0.4s; }
    .hero-input-group:has(.hero-email-input.shake) {
      border-color: rgba(239,68,68,0.6);
      box-shadow: 0 0 0 3px rgba(239,68,68,0.14);
    }
    .hero-credits {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-family: var(--ff-display);
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--tx-on-dark-2);
      white-space: nowrap;
      padding-right: 4px;
      user-select: none;
    }
    .hero-credits::before {
      content: "";
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--brand-light);
      box-shadow: 0 0 0 3px rgba(16,185,129,0.18);
    }
    .hero-credits.spent { color: var(--tx-on-dark-3); }
    .hero-credits.spent::before { background: #9ca3af; box-shadow: none; }
    .hero-cta-btn {
      font-family: var(--ff-display);
      font-size: 0.875rem;
      font-weight: 700;
      color: #fff;
      background: var(--brand-dark); /* white text needs ≥4.5:1; --brand-light gave ~2.9:1 */
      padding: 10px 24px;
      border-radius: 9999px;
      box-shadow: var(--sh-brand);
      transition: all var(--dur-normal) var(--ease-out);
      white-space: nowrap;
    }
    .hero-cta-btn:hover {
      background: var(--brand-darker);
      box-shadow: var(--sh-brand-lg);
      transform: translateY(-1px);
    }

    /* Hero logo floating */
    .hero-logo-area {
      flex-shrink: 0;
      width: calc(460px * var(--shield-scale));
      height: calc(460px * var(--shield-scale));
      display: flex;
      align-items: center;
      justify-content: center;
      animation: heroFadeUp 0.8s var(--ease-out) 0.2s both;
    }
    .orbit-container {
      position: relative;
      width: 460px;
      height: 460px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: -25px;
      transform: translateY(10px) scale(var(--shield-scale));
      transform-origin: center;
    }
    .hero-logo-center {
      width: 180px;
      height: auto;
      filter: drop-shadow(0 8px 32px rgba(16,185,129,0.4));
      position: relative;
      z-index: 2;
    }
    .orbit-track {
      position: absolute;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.06);
    }
    .orbit-track-1 {
      width: 340px;
      height: 340px;
      top: 50%; left: 50%;
      margin-top: -170px;
      margin-left: -170px;
      animation: spin 28s linear infinite;
    }
    .orbit-track-2 {
      width: 460px;
      height: 460px;
      top: 50%; left: 50%;
      margin-top: -230px;
      margin-left: -230px;
      animation: spin 40s linear infinite reverse;
    }
    .oi {
      position: absolute;
      width: 44px;
      height: 44px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .oi-anim { width: 36px; height: 36px; }
    .oi-anim svg { display: block; }
    .orbit-track-1 .oi { animation: counterspin 28s linear infinite; }
    .orbit-track-2 .oi { animation: counterspin 40s linear infinite reverse; }

    /* Exact positions calculated: center + radius*cos/sin - 22px icon offset */
    /* Inner ring: 340px box, radius 170px */
    .orbit-track-1 .oi:nth-child(1) { top: -22px; left: 148px; }
    .orbit-track-1 .oi:nth-child(2) { top: 233px; left: 1px; }
    .orbit-track-1 .oi:nth-child(3) { top: 233px; left: 295px; }

    /* Outer ring: 460px box, radius 230px */
    .orbit-track-2 .oi:nth-child(1) { top: 438px; left: 208px; }
    .orbit-track-2 .oi:nth-child(2) { top: 93px; left: 407px; }
    .orbit-track-2 .oi:nth-child(3) { top: 93px; left: 9px; }

    .oi img {
      width: 28px;
      height: 28px;
    }
    @keyframes spin {
      from { transform: rotate(0deg); }
      to   { transform: rotate(360deg); }
    }
    @keyframes counterspin {
      from { transform: rotate(0deg); }
      to   { transform: rotate(-360deg); }
    }

    /* Hero trust bar */
    .hero-trust {
      text-align: center;
      animation: heroFadeUp 0.8s var(--ease-out) 0.6s both;
      position: relative;
      left: -30px;
      top: -40px;
    }
    .hero-trust h4 {
      font-family: 'Roboto Slab', Georgia, serif;
      font-size: 1.1rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      color: var(--tx-on-dark);
      margin-bottom: 0;
      line-height: 1.2;
      padding-bottom: 15px;
    }
    .hero-trust-line {
      height: 5px;
      background: #2a3a52;
      width: 100%;
      position: relative;
      z-index: 5;
    }
    .logo-carousel-wrap {
      background: #fff;
      padding: 28px 0;
      width: 100%;
      position: relative;
      box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 -4px 20px rgba(0,0,0,0.15);
    }
    /* Compliance badges occupy the existing white band above the logo carousel
       (same position/height as the old ::before — no change to the white space). */
    .compliance-strip {
      content: '';
      position: absolute;
      top: -75px;
      left: 0;
      right: 0;
      height: 70px;
      background: #fff;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: clamp(16px, 3vw, 40px);
      padding: 0 24px;
    }
    .compliance-strip .cb {
      display: flex;
      align-items: center;
      gap: 8px;
      opacity: 0.62;
      transition: opacity 0.25s ease;
    }
    .compliance-strip .cb:hover { opacity: 1; }
    .compliance-strip .cb-seal { width: 42px; height: 42px; flex-shrink: 0; }
    .compliance-strip .cb-seal svg { width: 42px; height: 42px; display: block; }
    .compliance-strip .cb-text { display: flex; flex-direction: column; line-height: 1.2; text-align: left; }
    .compliance-strip .cb-name { font-size: 12.5px; font-weight: 700; color: #374151; letter-spacing: 0.2px; white-space: nowrap; }
    .compliance-strip .cb-sub { font-size: 10px; font-weight: 500; color: #9ca3af; text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap; }
    @media (max-width: 920px) {
      .compliance-strip { gap: clamp(8px, 2vw, 20px); padding: 0 10px; }
      .compliance-strip .cb { gap: 5px; }
      .compliance-strip .cb-seal, .compliance-strip .cb-seal svg { width: 26px; height: 26px; }
      .compliance-strip .cb-name { font-size: 10px; }
      .compliance-strip .cb-sub { font-size: 8px; letter-spacing: 0.3px; }
    }
    @media (max-width: 620px) {
      .compliance-strip .cb-text { display: none; }
      .compliance-strip .cb-seal, .compliance-strip .cb-seal svg { width: 30px; height: 30px; }
      .compliance-strip { gap: clamp(14px, 4.5vw, 30px); }
    }
    .logo-carousel-wrap::after {
      content: '';
      position: absolute;
      bottom: -20px;
      left: 0;
      right: 0;
      height: 20px;
      background: #fff;
    }
    .logo-carousel {
      overflow: hidden;
      width: 100%;
    }
    .logo-track {
      display: flex;
      align-items: center;
      gap: 80px;
      animation: scroll 30s linear infinite;
      width: max-content;
    }
    .logo-track img {
      height: 40px;
      width: auto;
      opacity: 0.85;
      transition: opacity var(--dur-fast);
    }
    .logo-track img:hover { opacity: 1; }
    @keyframes scroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    .trust-logo-UNUSED {
      letter-spacing: 0.03em;
    }

    /* Transform-only entrance: above-the-fold hero content stays opacity:1 so it
       remains an LCP candidate from first paint. Animating opacity from 0 here made
       every large hero element invisible at paint time, which yields Lighthouse NO_LCP. */
    @keyframes heroFadeUp {
      from { transform: translateY(24px); }
      to { transform: translateY(0); }
    }
    @media (prefers-reduced-motion: reduce) {
      .hero-subline, .hero-brand-text, .hero-desc, .hero-input-group,
      .hero-caps, .hero-logo-area, .hero-trust { animation: none; }
    }

    /* ============================== */
    /*      SOCIAL PROOF / REVIEWS    */
    /* ============================== */
    .reviews-section {
      padding: 80px 0;
      background: #F0FAF4;
    }
    [data-theme="dark"] .reviews-section {
      background: var(--sf-1);
    }

    /* ============================== */
    /*   HOW IT WORKS (choose path)   */
    /* ============================== */
    .how-section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 96px 0;
      background: linear-gradient(180deg, #ffffff 0%, #F2F9F5 100%);
      position: relative;
      overflow: hidden;
    }
    [data-theme="dark"] .how-section { background: var(--bg); }
    .how-section::before {
      content: "";
      position: absolute;
      top: -25%;
      left: 50%;
      transform: translateX(-50%);
      width: 1000px;
      height: 1000px;
      background: radial-gradient(circle, rgba(16,185,129,0.09), transparent 62%);
      pointer-events: none;
    }
    .how-inner { position: relative; z-index: 1; width: 100%; }
    .how-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--s6);
      align-items: stretch;
      margin-bottom: var(--s12);
    }
    .how-card {
      background: var(--sf-card, #fff);
      border: 1px solid var(--bd);
      border-radius: 20px;
      padding: 40px 32px;
      display: flex;
      flex-direction: column;
      transition: transform var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out), border-color var(--dur-normal) var(--ease-out);
    }
    .how-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--sh-card-hover);
      border-color: rgba(16,185,129,0.35);
    }
    .how-card--flagship {
      border-color: rgba(16,185,129,0.4);
      box-shadow: 0 14px 44px rgba(16,185,129,0.12);
    }
    .how-card-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 22px;
    }
    .how-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(16,185,129,0.1);
      color: var(--brand);
    }
    .how-icon svg { width: 28px; height: 28px; }
    .how-depth { display: inline-flex; gap: 5px; }
    .how-depth i {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--bd-strong, #d1d5db);
      display: block;
    }
    .how-depth i.on { background: var(--brand); }
    .how-eyebrow {
      font-family: var(--ff-display);
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--brand-text);
      margin-bottom: var(--s2);
    }
    .how-title {
      font-family: var(--ff-display);
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--tx);
      letter-spacing: -0.01em;
      margin-bottom: 6px;
    }
    .how-cardsub {
      font-size: 0.92rem;
      color: var(--tx-2);
      line-height: 1.5;
      margin-bottom: 26px;
    }
    .how-steps {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: var(--s4);
      flex: 1;
    }
    .how-steps li { display: flex; gap: var(--s3); align-items: flex-start; }
    .how-num {
      flex-shrink: 0;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--brand-light);
      color: #fff;
      font-family: var(--ff-display);
      font-size: 0.8rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: 1px;
    }
    .how-step-t { display: flex; flex-direction: column; gap: 2px; }
    .how-step-t strong {
      font-family: var(--ff-display);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--tx);
      line-height: 1.3;
    }
    .how-step-t span { font-size: 0.84rem; color: var(--tx-3); line-height: 1.45; }
    .how-foot { text-align: center; max-width: 680px; margin: 0 auto; }
    .how-foot p { font-size: 1.05rem; color: var(--tx-2); line-height: 1.7; margin-bottom: var(--s6); }
    .how-foot strong { color: var(--tx); font-weight: 700; }
    @media (max-width: 960px) {
      .how-section { min-height: auto; padding: 72px 0; }
      .how-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin-left: auto;
        margin-right: auto;
      }
    }

    /* ============================== */
    /*   SERVICES (feature explorer)  */
    /* ============================== */
    .services-section {
      padding: 100px 0;
      background: #E7F4EE; /* a shade deeper than the How-it-works band — subtle section break */
      position: relative;
    }
    [data-theme="dark"] .services-section { background: var(--sf-1); }
    .services-layout {
      display: grid;
      grid-template-columns: 250px 1fr;
      gap: 56px;
      align-items: start;
    }
    .services-tabs {
      display: flex;
      flex-direction: column;
      gap: 2px;
      border-left: 1px solid var(--bd);
    }
    .svc-tab {
      display: flex;
      align-items: center;
      gap: var(--s3);
      width: 100%;
      padding: 13px 18px;
      margin-left: -1px;
      font-family: var(--ff-display);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--tx-2);
      text-align: left;
      background: none;
      border: none;
      border-left: 2px solid transparent;
      cursor: pointer;
      transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
    }
    .svc-tab svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--tx-3); transition: color var(--dur-fast); }
    .svc-tab:hover { color: var(--tx); background: rgba(16,185,129,0.05); }
    .svc-tab.active {
      color: var(--brand-text);
      background: rgba(16,185,129,0.09);
      border-left-color: var(--brand);
      border-radius: 0 10px 10px 0;
    }
    .svc-tab.active svg { color: var(--brand); }
    .services-panels { position: relative; }
    .svc-panel { display: none; }
    .svc-panel.active {
      display: grid;
      grid-template-columns: 1fr 400px;
      gap: 48px;
      align-items: center;
      animation: svcFade 0.35s var(--ease-out);
    }
    @keyframes svcFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
    .svc-text h3 {
      font-family: var(--ff-display);
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--tx);
      line-height: 1.25;
      letter-spacing: -0.01em;
      margin-bottom: var(--s3);
    }
    .svc-text > p {
      font-size: 1rem;
      color: var(--tx-2);
      line-height: 1.7;
      max-width: 460px;
      margin-bottom: 22px;
    }
    .svc-checklist {
      list-style: none;
      margin: 0 0 28px;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .svc-checklist li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.95rem;
      color: var(--tx);
    }
    .svc-ccheck {
      flex-shrink: 0;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(16,185,129,0.12);
      color: var(--brand-text);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: 1px;
    }
    .svc-ccheck svg { width: 12px; height: 12px; }
    .svc-visual { display: flex; align-items: center; justify-content: center; }
    .svc-visual img { width: 100%; max-width: 420px; height: auto; }
    @media (max-width: 980px) {
      .services-section { padding: 72px 0; }
      .services-layout { grid-template-columns: 1fr; gap: 32px; }
      .services-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        border-left: none;
      }
      .svc-tab {
        width: auto;
        margin-left: 0;
        padding: 8px 15px;
        border: 1px solid var(--bd);
        border-radius: 9999px;
      }
      .svc-tab.active { border-color: var(--brand); border-radius: 9999px; }
      .svc-panel.active { grid-template-columns: 1fr; gap: 32px; }
      .svc-visual { order: -1; }
      .svc-visual img { max-width: 340px; }
    }

    /* ============================== */
    /*   WHY CHOOSE (benefits grid)   */
    /* ============================== */
    .why-section {
      padding: 100px 0;
      background: #E0F1E8; /* a shade deeper than the Services band — subtle section break */
    }
    [data-theme="dark"] .why-section { background: var(--bg); }
    .why-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px 32px;
    }
    .why-card {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 14px;
    }
    .why-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: rgba(16,185,129,0.1);
      color: var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .why-icon svg { width: 26px; height: 26px; }
    .why-h {
      font-family: var(--ff-display);
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--tx);
      line-height: 1.3;
      letter-spacing: -0.01em;
    }
    .why-p {
      font-size: 0.92rem;
      color: var(--tx-2);
      line-height: 1.6;
    }
    @media (max-width: 960px) {
      .why-section { padding: 72px 0; }
      .why-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
    }
    @media (max-width: 560px) {
      .why-grid { grid-template-columns: 1fr; gap: 28px; }
    }

    /* ============================== */
    /*   SPEED / THROUGHPUT band       */
    /* ============================== */
    .speed-section {
      padding: 96px 0;
      background: #F4FAF7; /* lighter near-white band — distinct from the sage Why section above */
    }
    [data-theme="dark"] .speed-section { background: var(--sf-1); }
    .speed-rows { display: flex; flex-direction: column; gap: 20px; max-width: 860px; margin: 0 auto; }
    .speed-row {
      display: grid;
      grid-template-columns: 1fr 150px 150px;
      align-items: center;
      background: var(--sf-card, #fff);
      border: 1px solid var(--bd);
      border-radius: 16px;
      padding: 26px 32px;
      box-shadow: 0 4px 18px rgba(0,0,0,0.05);
    }
    .speed-label { display: flex; align-items: center; gap: 16px; padding-right: 24px; }
    .speed-licon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(16,185,129,0.1);
      color: var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .speed-licon svg { width: 24px; height: 24px; }
    .speed-label strong { display: block; font-family: var(--ff-display); font-size: 1rem; font-weight: 700; color: var(--tx); line-height: 1.3; }
    .speed-label span { font-size: 0.82rem; color: var(--brand-text); font-weight: 600; }
    .speed-stat {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      border-left: 1px solid var(--bd);
      padding: 4px 8px;
    }
    .speed-num { font-family: var(--ff-display); font-size: 2rem; font-weight: 800; color: var(--brand-text); line-height: 1; }
    .speed-time { font-size: 0.82rem; color: var(--tx-3); margin-top: 7px; }
    .speed-foot { text-align: center; font-size: 0.85rem; color: var(--tx-3); max-width: 620px; margin: 28px auto 0; line-height: 1.6; }
    @media (max-width: 680px) {
      .speed-section { padding: 64px 0; }
      .speed-row { grid-template-columns: 1fr 1fr; row-gap: 22px; padding: 24px; }
      .speed-label { grid-column: 1 / -1; padding-right: 0; }
      .speed-stat:nth-child(2) { border-left: none; }
    }

    /* ============================== */
    /*   INTEGRATIONS showcase         */
    /* ============================== */
    .intg-section { padding: 100px 0; background: #FFFFFF; overflow: hidden; }
    [data-theme="dark"] .intg-section { background: var(--bg); }
    .intg-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
    .intg-visual { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1 / 1; margin: 0 auto; }
    .intg-circle {
      position: absolute;
      inset: 5%;
      border-radius: 50%;
      background: radial-gradient(circle at 42% 40%, rgba(16,185,129,0.18), rgba(16,185,129,0.04) 68%);
    }
    .intg-logo {
      position: absolute;
      transform: translate(-50%, -50%);
      width: 64px;
      height: 64px;
      background: #fff;
      border: 1px solid var(--bd);
      border-radius: 16px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform var(--dur-normal) var(--ease-out);
    }
    .intg-logo:hover { transform: translate(-50%, -50%) scale(1.08); }
    .intg-logo img { width: 58%; height: 58%; object-fit: contain; }
    .intg-logo--main {
      width: 98px;
      height: 98px;
      border-radius: 22px;
      border-color: rgba(16,185,129,0.3);
      box-shadow: 0 16px 38px rgba(16,185,129,0.2);
      z-index: 2;
    }
    .intg-text h2 { margin-bottom: var(--s4); }
    .intg-p {
      font-size: 1.05rem;
      color: var(--tx-2);
      line-height: 1.7;
      max-width: 480px;
      margin-bottom: 18px;
      font-weight: 300;
    }
    .intg-text .btn { margin-top: 10px; }
    @media (max-width: 900px) {
      .intg-section { padding: 72px 0; }
      .intg-layout { grid-template-columns: 1fr; gap: 40px; }
      .intg-text { text-align: center; }
      .intg-p { margin-left: auto; margin-right: auto; }
      .intg-visual { order: -1; max-width: 380px; }
    }
    @media (max-width: 480px) {
      .intg-logo { width: 50px; height: 50px; border-radius: 13px; }
      .intg-logo--main { width: 74px; height: 74px; border-radius: 18px; }
    }

    /* ============================== */
    /*   CASE STUDIES (carousel)       */
    /* ============================== */
    .cs-wrap { position: relative; }
    .cs-track {
      display: flex;
      gap: 24px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      scroll-behavior: smooth;
      padding: 4px 2px 8px;
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    .cs-track::-webkit-scrollbar { display: none; }
    .cs-card {
      flex: 0 0 364px;
      max-width: 364px;
      background: var(--sf-card, #fff);
      border: 1px solid var(--bd);
      border-radius: 18px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      scroll-snap-align: start;
      transition: box-shadow var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out);
    }
    .cs-card:hover { transform: translateY(-4px); box-shadow: var(--sh-card-hover); }
    .cs-head {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 22px 24px;
      background: linear-gradient(135deg, rgba(16,185,129,0.13), rgba(16,185,129,0.03));
      border-bottom: 1px solid var(--bd);
    }
    .cs-avatar { width: 54px; height: 54px; border-radius: 50%; object-fit: cover; border: 2px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.12); flex-shrink: 0; }
    .cs-head-meta strong { display: block; font-family: var(--ff-display); font-size: 0.95rem; font-weight: 700; color: var(--tx); line-height: 1.3; }
    .cs-head-meta span { font-size: 0.8rem; color: var(--tx-3); }
    .cs-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .cs-label { font-family: var(--ff-display); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brand-text); }
    .cs-title { font-family: var(--ff-display); font-size: 1.15rem; font-weight: 700; color: var(--tx); line-height: 1.3; letter-spacing: -0.01em; }
    .cs-text { font-size: 0.9rem; color: var(--tx-2); line-height: 1.6; flex: 1; }
    .cs-more { font-family: var(--ff-display); font-size: 0.85rem; font-weight: 700; color: var(--brand-text); text-decoration: none; margin-top: 4px; }
    .cs-more:hover { text-decoration: underline; }
    .cs-nav { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
    .cs-arrow {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 1px solid var(--bd-strong);
      background: #fff;
      color: var(--tx);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all var(--dur-fast);
    }
    .cs-arrow:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
    .cs-arrow svg { width: 20px; height: 20px; }
    @media (max-width: 560px) { .cs-card { flex-basis: 290px; max-width: 290px; } }

    /* ============================== */
    /*    FEATURES SHOWCASE (large)   */
    /* ============================== */
    .features-showcase {
      padding: 100px 0 80px;
      background: #F0FAF4;
    }
    [data-theme="dark"] .features-showcase {
      background: var(--sf-1);
    }
    .feature-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--s12);
      align-items: center;
      margin-bottom: 80px;
    }
    .feature-block:last-child { margin-bottom: 0; }
    .feature-block--reverse .feature-mockup { order: -1; }
    .feature-info .section-label { text-align: left; }
    .feature-info h3 {
      font-family: var(--ff-display);
      font-size: 1.875rem;
      font-weight: 700;
      color: var(--tx);
      margin-bottom: var(--s3);
      line-height: 1.25;
    }
    .feature-info h3 .gradient-text {
      background: linear-gradient(228deg, #34D399 -7%, #10B981 22%, #0D9668 75%, #086B4A 120%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .feature-info h4 {
      font-family: var(--ff-display);
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--tx);
      margin-bottom: var(--s3);
      line-height: 1.3;
    }
    .feature-info p {
      font-size: 1rem;
      color: var(--tx-2);
      line-height: 1.7;
      margin-bottom: var(--s6);
      font-weight: 300;
    }
    .feature-info .btn { margin-top: var(--s2); }
    .feature-checklist {
      display: flex;
      flex-direction: column;
      gap: var(--s3);
      margin-bottom: var(--s6);
    }
    .feature-check-item {
      display: flex;
      align-items: center;
      gap: var(--s3);
      font-size: 0.9375rem;
      color: var(--tx-2);
    }
    .feature-check-item svg {
      width: 20px;
      height: 20px;
      color: var(--brand);
      flex-shrink: 0;
    }

    /* ============================== */
    /*     PRODUCT SCREENSHOT MOCKUP  */
    /* ============================== */
    .feature-mockup {
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--sh-2xl);
      background: var(--sf-dark);
      border: 1px solid rgba(255,255,255,0.06);
    }
    .feature-mockup.feature-mockup--bare {
      background: transparent;
      box-shadow: none;
      border: none;
      overflow: visible;
    }
    .mockup-chrome {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      background: rgba(0,0,0,0.3);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .mockup-dot {
      width: 10px;
      height: 10px;
      border-radius: 9999px;
    }
    .mockup-dot--red { background: #FF5F57; }
    .mockup-dot--yellow { background: #FEBC2E; }
    .mockup-dot--green { background: #28C840; }
    .mockup-url {
      flex: 1;
      text-align: center;
      font-family: var(--ff-mono);
      font-size: 0.6875rem;
      color: var(--tx-on-dark-3);
      background: rgba(255,255,255,0.04);
      padding: 4px 12px;
      border-radius: 6px;
      margin: 0 40px;
    }
    .mockup-body {
      padding: var(--s6);
    }

    /* -- Inbox Insight mockup internals -- */
    .inbox-provider {
      display: flex;
      align-items: center;
      gap: var(--s3);
      padding: 10px 14px;
      background: var(--sf-dark-2);
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.04);
      margin-bottom: var(--s2);
    }
    .inbox-provider-icon {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.875rem;
    }
    .inbox-provider-name {
      flex: 1;
      font-family: var(--ff-display);
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--tx-on-dark-2);
    }
    .inbox-badge {
      font-family: var(--ff-display);
      font-size: 0.6875rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 9999px;
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }
    .inbox-badge--inbox { background: rgba(16,185,129,0.15); color: var(--success); }
    .inbox-badge--promo { background: rgba(245,158,11,0.15); color: var(--warn); }
    .inbox-badge--spam { background: rgba(239,68,68,0.15); color: var(--err); }

    .mockup-score-section {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: var(--s4);
    }
    .mockup-score-label {
      font-family: var(--ff-display);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--tx-on-dark);
    }
    .mockup-score-ring {
      position: relative;
      width: 64px;
      height: 64px;
    }
    .mockup-score-ring svg {
      width: 64px;
      height: 64px;
      transform: rotate(-90deg);
    }
    .mockup-score-ring circle {
      fill: none;
      stroke-width: 5;
      stroke-linecap: round;
    }
    .mockup-score-ring .ring-bg { stroke: rgba(255,255,255,0.08); }
    .mockup-score-ring .ring-fill { stroke: var(--brand-light); stroke-dasharray: 176; stroke-dashoffset: 18; }
    .mockup-score-val {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }
    .mockup-score-num {
      font-family: var(--ff-display);
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--brand-light);
      line-height: 1;
    }
    .mockup-score-unit {
      font-size: 0.5rem;
      color: var(--tx-on-dark-3);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    /* -- Content analysis mockup -- */
    .rule-row {
      display: flex;
      align-items: center;
      gap: var(--s3);
      padding: 8px 12px;
      background: var(--sf-dark-2);
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.04);
      margin-bottom: var(--s2);
    }
    .rule-icon {
      width: 20px;
      height: 20px;
      border-radius: 9999px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .rule-icon--pass { background: rgba(16,185,129,0.15); color: var(--success); }
    .rule-icon--warn { background: rgba(245,158,11,0.15); color: var(--warn); }
    .rule-icon--fail { background: rgba(239,68,68,0.15); color: var(--err); }
    .rule-icon svg { width: 10px; height: 10px; }
    .rule-label {
      flex: 1;
      font-size: 0.75rem;
      color: var(--tx-on-dark-2);
    }
    .rule-status {
      font-family: var(--ff-mono);
      font-size: 0.625rem;
      font-weight: 500;
      padding: 2px 8px;
      border-radius: 9999px;
    }
    .rule-status--pass { color: var(--success); background: rgba(16,185,129,0.08); }
    .rule-status--warn { color: var(--warn); background: rgba(245,158,11,0.08); }
    .rule-status--fail { color: var(--err); background: rgba(239,68,68,0.08); }

    /* -- Auth checker mockup -- */
    .auth-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--s3);
      margin-bottom: var(--s4);
    }
    .auth-card {
      background: var(--sf-dark-2);
      border-radius: 12px;
      padding: var(--s4);
      text-align: center;
      border: 1px solid rgba(255,255,255,0.04);
    }
    .auth-card-protocol {
      font-family: var(--ff-display);
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--tx-on-dark);
      margin-bottom: var(--s2);
    }
    .auth-card-status {
      width: 32px;
      height: 32px;
      border-radius: 9999px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto var(--s2);
    }
    .auth-card-status--pass { background: rgba(16,185,129,0.15); color: var(--success); }
    .auth-card-status--fail { background: rgba(239,68,68,0.15); color: var(--err); }
    .auth-card-detail {
      font-family: var(--ff-mono);
      font-size: 0.625rem;
      color: var(--tx-on-dark-3);
    }

    /* -- AI insights mockup -- */
    .ai-result-bar {
      height: 12px;
      border-radius: 6px;
      background: var(--sf-dark-3);
      margin-bottom: var(--s2);
      overflow: hidden;
    }
    .ai-result-fill {
      height: 100%;
      border-radius: 6px;
      background: linear-gradient(90deg, var(--brand), var(--brand-lighter));
      transition: width 1s var(--ease-out);
    }
    .ai-confidence-label {
      display: flex;
      justify-content: space-between;
      font-family: var(--ff-display);
      font-size: 0.75rem;
      color: var(--tx-on-dark-3);
      margin-bottom: var(--s4);
    }
    .ai-prediction {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--s3);
      padding: var(--s4);
      background: rgba(16,185,129,0.08);
      border-radius: 12px;
      border: 1px solid rgba(16,185,129,0.15);
    }
    .ai-prediction-label {
      font-family: var(--ff-display);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--tx-on-dark);
    }
    .ai-prediction-badge {
      font-family: var(--ff-display);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 9999px;
      background: rgba(16,185,129,0.2);
      color: var(--success);
    }

    /* ============================== */
    /*      API SECTION (dark)        */
    /* ============================== */
    .api-section {
      position: relative;
      padding: 100px 0;
      background: linear-gradient(100deg, var(--hero-via) 0%, var(--hero-from) 100%);
      overflow: hidden;
    }
    .api-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
      background-size: 40px 40px;
      opacity: 0.3;
      pointer-events: none;
    }
    .api-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--s12);
      align-items: center;
    }
    .api-text .section-label { color: var(--brand-lighter); }
    .api-text h3 {
      font-family: var(--ff-display);
      font-size: 2.25rem;
      font-weight: 300;
      color: var(--tx-on-dark);
      margin-bottom: var(--s4);
      line-height: 1.2;
    }
    .api-text p {
      font-size: 1.0625rem;
      color: var(--tx-on-dark-2);
      line-height: 1.7;
      margin-bottom: var(--s6);
      font-weight: 300;
    }
    .api-stats {
      display: flex;
      gap: var(--s10);
      margin-bottom: var(--s8);
    }
    .api-stat-value {
      font-family: var(--ff-display);
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--brand-lighter);
    }
    .api-stat-label {
      font-size: 0.8125rem;
      color: var(--tx-on-dark-3);
    }
    .api-code-block {
      background: var(--sf-dark);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--sh-2xl);
      border: 1px solid rgba(255,255,255,0.06);
    }
    .api-code-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 20px;
      background: rgba(0,0,0,0.3);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .api-code-dots {
      display: flex;
      gap: 6px;
    }
    .api-code-dots span {
      width: 10px;
      height: 10px;
      border-radius: 9999px;
    }
    .api-code-lang {
      font-family: var(--ff-mono);
      font-size: 0.6875rem;
      color: var(--tx-on-dark-3);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }
    .api-code-body {
      padding: 24px;
      font-family: var(--ff-mono);
      font-size: 0.8125rem;
      line-height: 1.8;
      color: var(--tx-on-dark-2);
      overflow-x: auto;
    }
    .api-code-body .kw { color: #C792EA; }
    .api-code-body .fn { color: #82AAFF; }
    .api-code-body .str { color: #C3E88D; }
    .api-code-body .cm { color: #546E7A; }
    .api-code-body .num { color: #F78C6C; }
    .api-code-body .op { color: #89DDFF; }
    .api-code-body .prop { color: #F07178; }

    /* ============================== */
    /*      COMPATIBLE ESPs           */
    /* ============================== */
    .esp-section {
      padding: 80px 0;
      background: var(--sf-0);
    }
    .esp-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--s4);
    }
    .esp-pill {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 12px 22px;
      background: var(--sf-0);
      border: 1px solid var(--bd);
      border-radius: 12px;
      font-family: var(--ff-display);
      font-size: 0.9375rem;
      box-shadow: var(--sh-xs);
      transition: all var(--dur-normal) var(--ease-out);
      font-weight: 600;
      color: var(--tx);
      transition: all var(--dur-fast);
    }
    .esp-pill:hover {
      border-color: var(--bd-brand);
      background: var(--brand-subtle);
    }
    .esp-pill-dot {
      width: 8px;
      height: 8px;
      border-radius: 9999px;
    }

    /* ============================== */
    /*         BLOG SECTION           */
    /* ============================== */
    .blog-section {
      padding: 80px 0;
      background: #DCEEE4;
    }
    [data-theme="dark"] .blog-section {
      background: var(--sf-1);
    }
    .blog-section .section-title {
      font-family: 'Roboto Slab', Georgia, serif;
      font-weight: 800;
    }
    .blog-carousel { position: relative; overflow: hidden; }
    .blog-track {
      display: flex;
      gap: var(--s6);
      /* Translated via transform (GPU-composited) by landing.js — not a scroll
         container, so the auto-stream never writes scrollLeft (which forced reflow). */
      overflow: visible;
      will-change: transform;
      padding: 4px 2px 14px;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .blog-track::-webkit-scrollbar { display: none; }
    .blog-track .blog-card { flex: 0 0 340px; max-width: 340px; }
    .blog-nav {
      position: absolute;
      top: 96px;
      transform: translateY(-50%);
      z-index: 6;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #fff;
      border: 1px solid var(--bd);
      box-shadow: 0 6px 20px rgba(0,0,0,0.16);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--tx);
      transition: all var(--dur-fast);
    }
    .blog-nav:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
    .blog-nav svg { width: 22px; height: 22px; }
    .blog-nav--prev { left: -12px; }
    .blog-nav--next { right: -12px; }
    @media (max-width: 560px) {
      .blog-track .blog-card { flex-basis: 282px; max-width: 282px; }
      .blog-nav { width: 40px; height: 40px; }
    }
    .blog-card {
      background: var(--sf-card);
      border: 1px solid var(--bd);
      border-radius: 16px;
      overflow: hidden;
      transition: all var(--dur-normal) var(--ease-out);
    }
    .blog-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--sh-card-hover);
    }
    .blog-card-img {
      height: 190px;
      overflow: hidden;
      background: #eaf3ee;
    }
    .blog-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform var(--dur-normal) var(--ease-out);
    }
    .blog-card:hover .blog-card-img img { transform: scale(1.04); }
    .blog-card-body {
      padding: var(--s6);
    }
    .blog-card-title {
      font-family: var(--ff-display);
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--tx);
      line-height: 1.35;
      margin-bottom: var(--s3);
    }
    .blog-card-excerpt {
      font-size: 0.875rem;
      color: var(--tx-2);
      line-height: 1.6;
    }
    .blog-card-link {
      display: inline-flex;
      align-items: center;
      gap: var(--s1);
      font-family: var(--ff-display);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--brand-text);
      margin-top: var(--s4);
      transition: gap var(--dur-fast);
    }
    .blog-card-link:hover { gap: var(--s2); }

    /* ============================== */
    /*         FINAL CTA              */
    /* ============================== */
    .final-cta {
      position: relative;
      background: linear-gradient(100deg, var(--hero-via) 0%, var(--hero-from) 100%);
      padding: 60px 0;
      overflow: hidden;
    }
    .final-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
      background-size: 38px 38px;
      opacity: 0.4;
      pointer-events: none;
    }
    .cta-banner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      align-items: center;
      gap: 40px;
    }
    .cta-banner-text { position: relative; z-index: 1; }
    .cta-banner-text h2 {
      font-family: var(--ff-display);
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--tx-on-dark);
      line-height: 1.2;
      letter-spacing: -0.01em;
      max-width: 520px;
      margin-bottom: var(--s6);
    }
    .cta-banner-btn {
      display: inline-flex;
      align-items: center;
      font-family: var(--ff-display);
      font-weight: 700;
      font-size: 1rem;
      color: #047857;
      background: #fff;
      padding: 14px 32px;
      border-radius: 9999px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.18);
      transition: transform var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out);
    }
    .cta-banner-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.26); }
    .cta-banner-note {
      font-size: 0.85rem;
      color: var(--tx-on-dark-2);
      margin-top: var(--s4);
      max-width: 380px;
    }
    .cta-banner-visual { position: relative; z-index: 1; display: flex; justify-content: center; }
    .cta-portrait { position: relative; width: 100%; max-width: 270px; aspect-ratio: 1 / 1; }
    .cta-portrait > img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      object-fit: cover;
      border: 6px solid rgba(255,255,255,0.3);
      box-shadow: 0 24px 60px rgba(0,0,0,0.3);
    }
    .cta-badge {
      position: absolute;
      top: 8%;
      left: -6%;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-text);
      box-shadow: 0 10px 24px rgba(0,0,0,0.22);
    }
    .cta-badge svg { width: 26px; height: 26px; }
    .cta-dot {
      position: absolute;
      top: -4%;
      right: 2%;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: #FACC15;
      box-shadow: 0 6px 16px rgba(0,0,0,0.18);
    }
    @media (max-width: 860px) {
      .cta-banner { grid-template-columns: 1fr; text-align: center; gap: 30px; }
      .cta-banner-text h2, .cta-banner-note { margin-left: auto; margin-right: auto; }
      .cta-banner-visual { order: -1; }
      .cta-portrait { max-width: 210px; }
    }

    /* ============================== */
    /*         FAQ                    */
    /* ============================== */
    .faq-section {
      padding: 80px 0;
      background: #F0FAF4;
    }
    [data-theme="dark"] .faq-section {
      background: var(--sf-1);
    }
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: var(--s3);
    }
    .faq-item {
      background: var(--sf-card);
      border: 1px solid var(--bd);
      border-radius: 12px;
      overflow: hidden;
      transition: border-color var(--dur-fast);
    }
    .faq-item.open {
      border-color: var(--bd-brand);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: var(--s5) var(--s6);
      width: 100%;
      text-align: left;
      font-family: var(--ff-display);
      font-size: 1rem;
      font-weight: 600;
      color: var(--tx);
      cursor: pointer;
      background: none;
      border: none;
    }
    .faq-question:hover { color: var(--brand); }
    .faq-chevron {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      transition: transform var(--dur-normal) var(--ease-out);
      color: var(--tx-3);
    }
    .faq-item.open .faq-chevron {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--dur-normal) var(--ease-out);
    }
    .faq-answer-inner {
      padding: 0 var(--s6) var(--s5);
      font-size: 0.9375rem;
      color: var(--tx-2);
      line-height: 1.7;
    }

    /* ============================== */
    /*          FOOTER                */
    /* ============================== */
    .footer {
      background: #FFFFFF;
      padding: 80px 0 var(--s8);
      border-top: 1px solid var(--bd);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: max-content repeat(4, max-content);
      justify-content: space-between;
      gap: var(--s8);
      margin-bottom: 60px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: var(--s4);
    }
    .footer-brand-logo {
      display: flex;
      align-items: center;
      gap: var(--s3);
      font-family: var(--ff-display);
      font-weight: 700;
      font-size: 1.125rem;
      color: var(--tx);
    }
    .footer-brand-logo img {
      height: 28px;
      width: auto;
    }
    .footer-brand-desc {
      font-size: 0.875rem;
      color: var(--tx-2);
      line-height: 1.7;
      max-width: 280px;
    }
    .footer-socials {
      display: flex;
      gap: var(--s3);
      margin-top: var(--s4);
    }
    .footer-socials a {
      width: 36px;
      height: 36px;
      border-radius: 9999px;
      background: rgba(0,0,0,0.05);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--tx-2);
      transition: background var(--dur-fast), color var(--dur-fast);
    }
    .footer-socials a:hover {
      background: rgba(16,185,129,0.12);
      color: var(--brand);
    }
    .footer-col-title {
      font-family: var(--ff-display);
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--tx);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: var(--s5);
    }
    .footer-col a {
      display: block;
      font-size: 0.875rem;
      color: var(--tx-2);
      padding: 6px 0;
      transition: color var(--dur-fast);
    }
    .footer-col a:hover { color: var(--brand); }
    .footer-bottom {
      border-top: 1px solid var(--bd);
      padding-top: var(--s8);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .footer-copy {
      font-size: 0.8125rem;
      color: var(--tx-3);
    }
    .footer-legal {
      display: flex;
      gap: var(--s6);
    }
    .footer-legal a {
      font-size: 0.8125rem;
      color: var(--tx-3);
      transition: color var(--dur-fast);
    }
    .footer-legal a:hover { color: var(--brand); }

    /* ============================== */
    /*        RESPONSIVE              */
    /* ============================== */
    @media (max-width: 1024px) {
      .hero-top {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .hero-text { text-align: center; }
      .hero-input-group { margin: 0 auto; }
      .hero-cap { white-space: normal; }
      .orbit-container { width: 360px; height: 360px; }
      .hero-logo-center { width: 160px; }
      .feature-block {
        grid-template-columns: 1fr;
        gap: var(--s8);
      }
      .feature-block--reverse .feature-mockup { order: 0; }
      .api-inner {
        grid-template-columns: 1fr;
        gap: var(--s8);
      }
    }

    @media (max-width: 900px) {
      /* Single-line tagline can't fit on small screens — allow it to wrap there */
      .hero-subline { white-space: normal; }
      .hero-brand-text { font-size: clamp(2.5rem, 6vw, 3.5rem); }
      .section-title { font-size: 1.75rem; }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-brand { grid-column: 1 / -1; }
      .auth-cards { grid-template-columns: 1fr; }
    }

    @media (max-width: 1080px) {
      .nav-links, .nav-actions { display: none; }
      .nav-hamburger { display: flex; }
    }

    @media (max-width: 600px) {
      .hero { padding: calc(70px + 48px) 0 60px; }
      .hero-brand-text { font-size: 2.75rem; letter-spacing: 0.04em; }
      .orbit-container { width: 280px; height: 280px; }
      .hero-logo-center { width: 130px; }
      .hero-input-group {
        flex-direction: column;
        border-radius: 20px;
        padding: var(--s3);
      }
      .hero-email-input { width: 100%; text-align: center; }
      .hero-input-actions {
        display: flex;
        gap: var(--s2);
        width: 100%;
        justify-content: center;
      }
      .hero-credits { flex: 0 0 auto; }
      .hero-cta-btn { flex: 1; }
      .hero-trust-logos { gap: var(--s4); }
      .hero-trust h4 { font-size: 0.9rem; }
      .section-title { font-size: 1.5rem; }
      .reviews-section, .features-showcase, .blog-section, .faq-section, .esp-section { padding: 60px 0; }
      .api-section, .final-cta { padding: 60px 0; }
      .final-cta h2 { font-size: 1.75rem; }
      .final-cta-form { flex-direction: column; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-bottom { flex-direction: column; gap: var(--s4); text-align: center; }
      .footer-legal { justify-content: center; }
      .api-stats { flex-wrap: wrap; gap: var(--s4); }
      .esp-grid { gap: var(--s2); }
      .esp-pill { font-size: 0.8125rem; padding: 8px 14px; }
      .feature-info h3 { font-size: 1.5rem; }
    }

    /* ===== Single email verification modal ===== */
    .ev-modal { position: fixed; inset: 0; z-index: 4000; display: none; align-items: center; justify-content: center; padding: 20px; }
    .ev-modal.open { display: flex; }
    .ev-overlay { position: absolute; inset: 0; background: rgba(7,18,14,0.62); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
    .ev-card { position: relative; z-index: 1; width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto; background: #fff; border-radius: 20px; padding: 30px 28px 26px; box-shadow: 0 30px 70px rgba(0,0,0,0.35); animation: evPop 0.24s var(--ease-out, ease); }
    @keyframes evPop { from { opacity: 0; transform: translateY(14px) scale(0.97); } to { opacity: 1; transform: none; } }
    .ev-close { position: absolute; top: 14px; right: 16px; width: 30px; height: 30px; font-size: 24px; line-height: 1; color: #9ca3af; background: none; border: none; cursor: pointer; border-radius: 8px; }
    .ev-close:hover { color: #374151; background: #f3f4f6; }
    @keyframes evShake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }
    .ev-credits { margin-top: 16px; font-size: 0.8rem; color: #9ca3af; text-align: center; }
    .ev-credits-spent { color: #6b7280; }
    .ev-credits-spent a { color: var(--brand, #10b981); font-weight: 700; text-decoration: none; }
    .ev-credits-spent a:hover { text-decoration: underline; }
    .ev-result { margin-top: 20px; padding-top: 18px; border-top: 1px solid #eef0f2; }
    .ev-result-only { margin-top: 4px; padding-top: 0; border-top: none; }
    .ev-verdict { display: flex; align-items: center; gap: 12px; }
    .ev-gravatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; margin-left: auto; flex-shrink: 0; border: 2px solid #d1fae5; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
    .ev-vicon { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
    .ev-vicon svg { width: 24px; height: 24px; }
    .ev-good { background: #d1fae5; color: #059669; }
    .ev-bad { background: #fee2e2; color: #dc2626; }
    .ev-warn { background: #fef3c7; color: #d97706; }
    .ev-vtext strong { display: block; font-family: var(--ff-display); font-size: 1.15rem; font-weight: 800; color: #111827; line-height: 1.2; }
    .ev-vtext span { font-size: 0.8rem; color: #6b7280; font-family: var(--ff-mono); word-break: break-all; }
    .ev-checks { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
    .ev-check { display: flex; align-items: center; gap: 9px; font-size: 0.875rem; color: #374151; }
    .ev-dot { width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #fff; line-height: 1; }
    .ev-dot.ok { background: #10b981; } .ev-dot.no { background: #ef4444; } .ev-dot.neu { background: #9ca3af; }
    .ev-check b { margin-left: auto; color: #6b7280; font-weight: 600; font-size: 0.8rem; }
    .ev-exhausted { text-align: center; padding: 8px 4px 2px; }
    .ev-exhausted .ev-vicon { margin: 0 auto 14px; }
    .ev-exhausted h3 { font-family: var(--ff-display); font-size: 1.4rem; font-weight: 800; color: #111827; margin: 0 0 10px; }
    .ev-exhausted p { color: #6b7280; font-size: 0.95rem; line-height: 1.55; margin: 0 0 20px; }
    .ev-exhausted p strong { color: #111827; }
    .ev-cta { display: inline-block; font-family: var(--ff-display); font-weight: 700; font-size: 0.95rem; color: #fff; background: var(--brand, #10b981); padding: 13px 30px; border-radius: 9999px; text-decoration: none; box-shadow: var(--sh-brand, 0 6px 20px rgba(16,185,129,0.35)); }
    .ev-cta:hover { background: var(--brand-dark, #059669); }
    .ev-spin { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; vertical-align: -2px; margin-right: 6px; }
    /* ============================== */
    /*   BLOG LANDING PAGE            */
    /* ============================== */
    .blog-subnav { border-bottom: 1px solid var(--bd); background: #fff; }
    .blog-subnav-inner { max-width: 1216px; margin: 0 auto; padding: 0 var(--s6); display: flex; align-items: center; gap: 26px; height: 56px; overflow-x: auto; scrollbar-width: none; }
    .blog-subnav-inner::-webkit-scrollbar { display: none; }
    .blog-subnav .bs-brand { font-family: var(--ff-display); font-weight: 800; color: var(--tx); margin-right: 6px; white-space: nowrap; }
    .blog-subnav a { font-size: 0.9rem; color: var(--tx-2); white-space: nowrap; font-weight: 500; transition: color var(--dur-fast); }
    .blog-subnav a.active { color: var(--brand-text); font-weight: 700; }
    .blog-subnav a:hover { color: var(--brand); }
    .blog-page { padding: 52px 0 80px; background: #fff; }
    .feat-wrap { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; margin-bottom: 64px; }
    .feat-main { display: block; }
    .feat-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 18px; background: #eaf3ee; margin-bottom: 22px; display: block; }
    .feat-cat, .blog-card-cat { display: inline-block; font-family: var(--ff-display); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-text); margin-bottom: 10px; }
    .feat-main h1 { font-family: var(--ff-display); font-size: 2rem; font-weight: 700; color: var(--tx); line-height: 1.2; letter-spacing: -0.01em; margin-bottom: var(--s3); }
    .feat-excerpt { font-size: 1.02rem; color: var(--tx-2); line-height: 1.7; margin-bottom: var(--s4); max-width: 580px; }
    .feat-readmore { font-family: var(--ff-display); font-weight: 700; color: var(--brand-text); }
    .feat-side-title { font-family: var(--ff-display); font-size: 1.1rem; font-weight: 800; color: var(--tx); margin-bottom: var(--s2); padding-bottom: var(--s3); border-bottom: 2px solid var(--brand); display: inline-block; }
    .feat-side-list { margin-top: var(--s2); }
    .feat-item { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--bd); align-items: flex-start; }
    .feat-item:last-child { border-bottom: none; }
    .feat-item-body { flex: 1; min-width: 0; }
    .feat-item .feat-cat { margin-bottom: 4px; }
    .feat-item h3 { font-family: var(--ff-display); font-size: 0.95rem; font-weight: 600; color: var(--tx); line-height: 1.35; margin-bottom: 6px; }
    .feat-item .rm { font-size: 0.78rem; font-weight: 700; color: var(--brand-text); }
    .feat-item img { width: 84px; height: 64px; border-radius: 10px; object-fit: cover; flex-shrink: 0; background: #eaf3ee; }
    .bposts-title { font-family: var(--ff-display); font-size: 1.6rem; font-weight: 700; color: var(--tx); margin-bottom: var(--s6); }
    .bposts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s6); }
    .bposts-grid .blog-card { display: flex; flex-direction: column; }
    .bposts-grid .blog-card .blog-card-body { display: flex; flex-direction: column; gap: 4px; }
    .bposts-grid .blog-card.is-hidden { display: none; }
    .blog-loadmore-wrap { text-align: center; margin-top: 48px; }
    .blog-cats { margin-top: 72px; }
    .blog-cats-title { font-family: var(--ff-display); font-size: 1.6rem; font-weight: 700; color: var(--tx); margin-bottom: var(--s5); }
    .blog-cats-chips { display: flex; flex-wrap: wrap; gap: 12px; }
    .blog-chip { font-family: var(--ff-display); font-size: 0.85rem; font-weight: 600; color: var(--tx-2); background: #fff; border: 1px solid var(--bd-strong); border-radius: 9999px; padding: 8px 18px; transition: all var(--dur-fast); cursor: default; }
    .blog-chip:hover { border-color: var(--brand); color: var(--brand); }
    @media (max-width: 900px) {
      .feat-wrap { grid-template-columns: 1fr; gap: 40px; }
      .bposts-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 600px) {
      .bposts-grid { grid-template-columns: 1fr; }
    }

    /* ============================== */
    /*   BLOG ARTICLE PAGE            */
    /* ============================== */
    .article-wrap { max-width: 860px; margin: 0 auto; padding: 0 var(--s6); }
    .article-head { padding: 40px 0 0; }
    .breadcrumb { font-size: 0.8rem; color: var(--tx-3); margin-bottom: var(--s5); }
    .breadcrumb a { color: var(--tx-3); }
    .breadcrumb a:hover { color: var(--brand); }
    .breadcrumb span { margin: 0 6px; }
    .article-cat { display: inline-block; font-family: var(--ff-display); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-text); margin-bottom: 14px; }
    .article-title { font-family: var(--ff-display); font-size: 2.4rem; font-weight: 700; color: var(--tx); line-height: 1.18; letter-spacing: -0.015em; margin-bottom: var(--s5); }
    .byline { display: flex; align-items: center; gap: 14px; margin-bottom: var(--s4); }
    .byline img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
    .byline-meta strong { display: block; font-family: var(--ff-display); font-size: 0.95rem; font-weight: 700; color: var(--tx); }
    .byline-meta span { font-size: 0.82rem; color: var(--tx-3); }
    .article-share { display: flex; align-items: center; gap: 10px; padding: var(--s4) 0; border-top: 1px solid var(--bd); border-bottom: 1px solid var(--bd); margin-bottom: var(--s6); }
    .article-share .lbl { font-size: 0.8rem; color: var(--tx-3); margin-right: 4px; }
    .article-share a { width: 34px; height: 34px; border-radius: 50%; background: rgba(0,0,0,0.05); display: flex; align-items: center; justify-content: center; color: var(--tx-2); transition: all var(--dur-fast); }
    .article-share a:hover { background: rgba(16,185,129,0.12); color: var(--brand); }
    .article-share svg { width: 16px; height: 16px; }
    .article-hero { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 18px; margin-bottom: var(--s8); background: #eaf3ee; }
    .article-toc { background: #F4FAF7; border: 1px solid var(--bd); border-radius: 14px; padding: 22px 26px; margin-bottom: var(--s8); }
    .article-toc-title { font-family: var(--ff-display); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--tx-2); margin-bottom: 12px; }
    .article-toc ol { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 7px; }
    .article-toc a { font-size: 0.92rem; color: var(--tx-2); }
    .article-toc a:hover { color: var(--brand); }
    .article-body { font-size: 1.06rem; line-height: 1.8; color: var(--tx); }
    .article-body p { margin-bottom: var(--s5); color: var(--tx-2); }
    .article-body .lead { font-size: 1.18rem; color: var(--tx); font-weight: 500; }
    .article-body h2 { font-family: var(--ff-display); font-size: 1.55rem; font-weight: 700; color: var(--tx); letter-spacing: -0.01em; margin: 44px 0 var(--s4); scroll-margin-top: 90px; }
    .article-body h3 { font-family: var(--ff-display); font-size: 1.2rem; font-weight: 700; color: var(--tx); margin: 30px 0 var(--s3); }
    .article-body a { color: var(--brand-text); font-weight: 600; }
    .article-body ul, .article-body ol.steps { margin: 0 0 var(--s5); padding-left: 4px; list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .article-body ul li { display: flex; gap: 12px; color: var(--tx-2); }
    .article-body ul li::before { content: ""; flex-shrink: 0; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%; background: rgba(16,185,129,0.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat; }
    .article-figure { margin: 0 0 var(--s6); }
    .article-figure img { width: 100%; border-radius: 14px; display: block; background: #eaf3ee; }
    .article-figure figcaption { font-size: 0.82rem; color: var(--tx-3); text-align: center; margin-top: 10px; }
    .article-cta { background: linear-gradient(100deg, var(--hero-via), var(--hero-from)); border-radius: 18px; padding: 32px 36px; margin: var(--s8) 0; text-align: center; }
    .article-cta h3 { font-family: var(--ff-display); font-size: 1.3rem; font-weight: 700; color: var(--tx-on-dark); margin-bottom: 8px; }
    .article-cta p { color: var(--tx-on-dark-2); margin-bottom: var(--s5); font-size: 0.95rem; }
    .article-cta .btn { background: #fff; color: #047857; }
    .author-bio { display: flex; gap: 20px; align-items: flex-start; background: #fff; border: 1px solid var(--bd); border-radius: 18px; padding: 28px; margin: var(--s10) 0 var(--s8); }
    .author-bio img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
    .author-bio .ab-name { font-family: var(--ff-display); font-size: 1.05rem; font-weight: 700; color: var(--tx); }
    .author-bio .ab-role { font-size: 0.82rem; color: var(--brand-text); font-weight: 600; margin-bottom: 8px; }
    .author-bio .ab-text { font-size: 0.92rem; color: var(--tx-2); line-height: 1.65; }
    .related-section { background: #F4FAF7; padding: 64px 0; }
    .related-title { font-family: var(--ff-display); font-size: 1.5rem; font-weight: 700; color: var(--tx); margin-bottom: var(--s6); text-align: center; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s6); max-width: 1100px; margin: 0 auto; padding: 0 var(--s6); }
    @media (max-width: 760px) {
      .article-title { font-size: 1.9rem; }
      .related-grid { grid-template-columns: 1fr; max-width: 420px; }
    }

    /* ===== Article: share rail + sticky TOC sidebar ===== */
    .article-layout {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr) 250px;
      gap: 0 48px;
      max-width: 1180px;
      margin: 0 auto;
      padding: 40px var(--s6) 0;
      align-items: start;
    }
    .article-share-rail { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 10px; }
    .article-share-rail a { width: 38px; height: 38px; border-radius: 50%; background: rgba(0,0,0,0.05); display: flex; align-items: center; justify-content: center; color: var(--tx-2); transition: all var(--dur-fast); }
    .article-share-rail a:hover { background: rgba(16,185,129,0.12); color: var(--brand); }
    .article-share-rail svg { width: 16px; height: 16px; }
    .article-main { min-width: 0; }
    .article-toc-side { position: sticky; top: 100px; }
    .toc-box { background: #F4FAF7; border: 1px solid var(--bd); border-radius: 14px; padding: 22px 24px; }
    .toc-box-title { font-family: var(--ff-display); font-size: 1rem; font-weight: 800; color: var(--tx); margin-bottom: 16px; }
    .toc-box ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
    .toc-box a { font-size: 0.875rem; color: var(--tx-2); line-height: 1.4; display: block; padding-left: 12px; border-left: 2px solid var(--bd); transition: color var(--dur-fast), border-color var(--dur-fast); }
    .toc-box a:hover { color: var(--brand); }
    .toc-box a.active { color: var(--brand-text); font-weight: 700; border-left-color: var(--brand); }
    .article-toc-inline { display: none; }
    /* inline figures: full article width, subject-focused (cropped to subject) */
    .article-figure { max-width: 100%; margin-left: 0; margin-right: 0; }
    @media (max-width: 1024px) {
      .article-layout { grid-template-columns: 1fr; max-width: 760px; }
      .article-share-rail, .article-toc-side { display: none; }
      .article-toc-inline { display: block; }
    }
    @media (min-width: 1025px) { .article-head .article-share { display: none; } }