/* ============================================================
       CSS CUSTOM PROPERTIES
    ============================================================ */
    :root {
      --bg-primary:    #0f0f0f;
      --bg-surface:    #1a1a1a;
      --bg-elevated:   #27272a;
      --accent:        #4f9eff;
      --accent-hover:  #3d88e6;
      --success:       #4ade80;
      --danger:        #f87171;
      --warning:       #fbbf24;
      --text-primary:  #ffffff;
      --text-secondary:#a1a1aa;
      --text-muted:    #71717a;
      --border:        #2a2a2a;
      --warm-accent:   #ffb86b;

      --font-display: 'Space Grotesk', sans-serif;
      --font-body:    'Inter', sans-serif;
      --font-mono:    'JetBrains Mono', monospace;

      --radius-sm:  4px;
      --radius-md:  8px;
      --radius-lg:  12px;
      --radius-xl:  20px;
      --radius-full: 9999px;

      --section-pad: clamp(60px, 10vw, 90px);
      --container:   1200px;
    }

    /* ============================================================
       RESET & BASE
    ============================================================ */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: var(--bg-primary);
      color: var(--text-primary);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img { display: block; max-width: 100%; }

    /* ============================================================
       UTILITY CLASSES
    ============================================================ */
    .container {
      width: 100%;
      max-width: var(--container);
      margin-inline: auto;
      padding-inline: clamp(20px, 5vw, 48px);
    }

    .accent-text { color: var(--accent); }
    .mono { font-family: var(--font-mono); }

    /* Fade-in animation base state */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }

    /* ============================================================
       BUTTONS
    ============================================================ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
      white-space: nowrap;
      text-decoration: none;
    }

    .btn-primary {
      background-color: var(--accent);
      color: #fff;
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
    }

    .btn-ghost {
      background-color: transparent;
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }
    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--text-primary);
    }

    /* ============================================================
       NAV BAR
    ============================================================ */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
      border-bottom: 1px solid transparent;
    }

    .nav.scrolled {
      background: rgba(15, 15, 15, 0.75);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom-color: var(--border);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }

    .nav-logo {
      font-family: var(--font-display);
      font-size: 22px;
      font-weight: 700;
      letter-spacing: -0.5px;
      line-height: 1;
    }
    .nav-logo .iron { color: var(--text-primary); }
    .nav-logo .lift { color: var(--accent); }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      transition: color 0.15s ease;
    }
    .nav-links a:hover { color: var(--text-primary); }

    .nav-cta { padding: 0 20px; min-height: 40px; font-size: 14px; }

    .nav-mobile-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 8px;
      background: none;
      border: none;
    }
    .nav-mobile-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .nav-mobile-menu {
      display: none;
      flex-direction: column;
      gap: 0;
      background: var(--bg-surface);
      border-top: 1px solid var(--border);
    }
    .nav-mobile-menu a {
      padding: 16px 24px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-secondary);
      border-bottom: 1px solid var(--border);
      transition: color 0.15s ease;
      min-height: 44px;
      display: flex;
      align-items: center;
    }
    .nav-mobile-menu a:last-child { border-bottom: none; }
    .nav-mobile-menu a:hover { color: var(--text-primary); }

    /* ============================================================
       HERO SECTION
    ============================================================ */
    .hero {
      min-height: 50svh;
      display: flex;
      align-items: center;
      padding-top: 64px;
      padding-bottom: 0;
      position: relative;
      overflow: hidden;
    }

    .hero + .section {
      padding-top: clamp(32px, 5vw, 60px);
    }

    /* Glow behind hero text */
    .hero::before {
      content: '';
      position: absolute;
      top: 20%;
      left: -10%;
      width: 55%;
      height: 60%;
      background: radial-gradient(ellipse at center, rgba(79, 158, 255, 0.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
      padding-block: var(--section-pad);
      width: 100%;
    }

    .hero-eyebrow {
      font-family: var(--font-mono);
      font-size: 20px;
      font-weight: 500;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 24px;
    }

    .hero-headline {
      font-family: var(--font-display);
      font-size: clamp(52px, 7vw, 88px);
      font-weight: 700;
      line-height: 1.0;
      letter-spacing: -2px;
      margin-bottom: 28px;
    }

    .hero-headline em {
      font-style: normal;
      color: var(--accent);
    }

    .hero-sub {
      font-size: clamp(16px, 2vw, 19px);
      color: var(--text-secondary);
      line-height: 1.6;
      max-width: 460px;
      margin-bottom: 44px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      align-items: center;
    }

    .btn-appstore {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background-color: var(--accent);
      color: #fff;
      padding: 0 28px;
      min-height: 54px;
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: 15px;
      font-weight: 700;
      transition: background-color 0.15s ease;
      text-decoration: none;
      letter-spacing: 0.2px;
    }
    .btn-appstore:hover { background-color: var(--accent-hover); }
    .btn-appstore svg { flex-shrink: 0; }
    .btn-appstore-text { display: flex; flex-direction: column; line-height: 1.2; }
    .btn-appstore-text .small { font-size: 11px; font-weight: 400; opacity: 0.85; }
    .btn-appstore-text .large { font-size: 16px; font-weight: 700; }

    /* iPhone mockup — Hero */
    .hero-visual {
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .iphone {
      position: relative;
      width: 260px;
      height: 540px;
      background: #111;
      border-radius: 44px;
      border: 2px solid #333;
      box-shadow:
        0 0 0 1px #0f0f0f,
        0 40px 80px rgba(0, 0, 0, 0.8),
        0 0 60px rgba(79, 158, 255, 0.08);
      overflow: hidden;
      flex-shrink: 0;
    }

    /* Dynamic island */
    .iphone-island {
      position: absolute;
      top: 14px;
      left: 50%;
      transform: translateX(-50%);
      width: 88px;
      height: 26px;
      background: #000;
      border-radius: 18px;
      z-index: 10;
    }

    .iphone-screen {
      position: absolute;
      inset: 0;
      background: var(--bg-primary);
      padding: 48px 12px 16px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      overflow: hidden;
    }

    /* Side buttons */
    .iphone::before {
      content: '';
      position: absolute;
      right: -3px;
      top: 110px;
      width: 3px;
      height: 58px;
      background: #2a2a2a;
      border-radius: 0 2px 2px 0;
      box-shadow: 0 72px 0 #2a2a2a;
    }
    .iphone::after {
      content: '';
      position: absolute;
      left: -3px;
      top: 90px;
      width: 3px;
      height: 36px;
      background: #2a2a2a;
      border-radius: 2px 0 0 2px;
      box-shadow: 0 50px 0 #2a2a2a, 0 96px 0 #2a2a2a;
    }

    /* Hero phone mockup — app screen UI */
    .iphone-screen .m-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 2px 0 8px;
    }

    .iphone-screen .m-logo {
      font-family: var(--font-body);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: -0.3px;
      line-height: 1;
    }
    .iphone-screen .m-logo .iron { color: var(--text-primary); }
    .iphone-screen .m-logo .lift { color: var(--accent); }

    .iphone-screen .m-gear {
      color: var(--text-secondary);
      display: flex;
      align-items: center;
    }

    .iphone-screen .m-section-hdr {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 4px;
    }

    .iphone-screen .m-section-title {
      font-family: var(--font-body);
      font-size: 11px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.2px;
    }

    .iphone-screen .m-btn-sm {
      background: var(--accent);
      color: #fff;
      font-family: var(--font-body);
      font-size: 7px;
      font-weight: 700;
      padding: 3px 6px;
      border: none;
      border-radius: 4px;
      white-space: nowrap;
    }

    .iphone-screen .m-sub {
      font-size: 7px;
      color: var(--text-secondary);
      margin-bottom: 5px;
    }

    .iphone-screen .m-template-list {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 10px;
    }

    .iphone-screen .m-template-row {
      display: flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 6px 8px;
    }

    .iphone-screen .m-template-plus {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .iphone-screen .m-template-name {
      font-size: 8px;
      font-weight: 600;
      color: var(--text-primary);
      line-height: 1.2;
    }

    .iphone-screen .m-template-meta {
      font-size: 6px;
      color: var(--text-secondary);
    }

    .iphone-screen .m-chart-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 7px 8px 4px;
      margin-top: 5px;
    }

    .iphone-screen .m-chart-hdr {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      margin-bottom: 1px;
    }

    .iphone-screen .m-chart-title {
      font-size: 7px;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.3;
    }

    .iphone-screen .m-chart-menu {
      color: var(--text-muted);
      font-size: 8px;
      letter-spacing: 1px;
    }

    .iphone-screen .m-chart-label {
      font-size: 6px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 4px;
    }

    .iphone-screen .m-chart-svg {
      width: 100%;
      display: block;
    }

    /* ============================================================
       SECTION SHARED STYLES
    ============================================================ */
    .section {
      padding-block: var(--section-pad);
    }

    .section-label {
      font-family: var(--font-mono);
      font-size: 18px;
      font-weight: 500;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 2.5px;
      margin-bottom: 16px;
    }

    .section-heading {
      font-family: var(--font-display);
      font-size: clamp(32px, 4.5vw, 52px);
      font-weight: 700;
      letter-spacing: -1px;
      line-height: 1.1;
      margin-bottom: 20px;
    }

    .section-sub {
      font-size: 17px;
      color: var(--text-secondary);
      line-height: 1.6;
      max-width: 540px;
    }

    /* ============================================================
       VALUE PROPOSITION — 1×3 CARDS
    ============================================================ */
    .value-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 64px;
    }

    .value-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      transition: border-color 0.2s ease, transform 0.2s ease;
    }
    .value-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }

    .value-icon {
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-elevated);
      border-radius: var(--radius-md);
      margin-bottom: 20px;
      font-size: 22px;
    }

    .value-title {
      font-family: var(--font-display);
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.3px;
    }

    .value-body {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    /* ============================================================
       PROGRESSIVE OVERLOAD SUBSECTION
    ============================================================ */
    .overload-divider {
      width: 100%;
      height: 1px;
      background: var(--border);
      margin-top: 64px;
      margin-bottom: 64px;
    }

    .overload-row {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 64px;
      align-items: center;
    }

    .overload-title {
      font-family: var(--font-display);
      font-size: clamp(36px, 5vw, 56px);
      font-weight: 700;
      line-height: 1.0;
      letter-spacing: -1.5px;
      text-transform: uppercase;
      margin-bottom: 24px;
    }

    .overload-body {
      font-size: 17px;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 420px;
    }

    /* Chart card */
    .overload-chart-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px 32px;
      position: relative;
      overflow: hidden;
    }

    /* Subtle gradient glow on the right side */
    .overload-chart-card::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 40%;
      height: 100%;
      background: linear-gradient(to right, transparent, rgba(79, 158, 255, 0.04));
      pointer-events: none;
    }

    .overload-chart-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      margin-bottom: 2px;
    }

    .overload-chart-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.3;
      flex: 1;
    }

    .overload-chart-menu {
      color: var(--text-muted);
      font-size: 16px;
      letter-spacing: 1px;
      padding-left: 8px;
      line-height: 1;
    }

    .overload-chart-label {
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }

    .overload-chart-svg {
      width: 100%;
      display: block;
    }

    /* ============================================================
       HOW IT WORKS
    ============================================================ */
    .how-section {
      background: var(--bg-surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .steps-row {
      display: grid;
      grid-template-columns: 1fr auto 1fr auto 1fr;
      align-items: start;
      gap: 0;
      margin-top: 64px;
    }

    .step {
      text-align: center;
      padding: 0 20px;
    }

    .step-num {
      font-family: var(--font-mono);
      font-size: 48px;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 16px;
      opacity: 0.9;
    }

    .step-title {
      font-family: var(--font-display);
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.3px;
    }

    .step-body {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .step-arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      padding-top: 16px;
      color: var(--border);
    }
    .step-arrow svg { color: var(--accent); opacity: 0.5; }

    /* ============================================================
       APP SHOWCASE — 3 SCREENSHOT MOCKUPS
    ============================================================ */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-top: 64px;
      align-items: end;
    }

    .showcase-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 24px;
    }

    .showcase-item:nth-child(2) .iphone-frame {
      transform: translateY(-24px);
      box-shadow:
        0 0 0 1px #0f0f0f,
        0 50px 100px rgba(0, 0, 0, 0.9),
        0 0 80px rgba(79, 158, 255, 0.12);
    }

    .iphone-frame {
      position: relative;
      width: 220px;
      background: #111;
      border-radius: 36px;
      border: 2px solid #333;
      box-shadow:
        0 0 0 1px #0f0f0f,
        0 30px 60px rgba(0, 0, 0, 0.8);
      overflow: hidden;
      flex-shrink: 0;
      transition: box-shadow 0.3s ease, transform 0.3s ease;
      padding: 8px;
    }
    .iphone-frame:hover {
      box-shadow:
        0 0 0 1px #0f0f0f,
        0 40px 80px rgba(0, 0, 0, 0.9),
        0 0 60px rgba(79, 158, 255, 0.14);
      transform: translateY(-6px);
    }
    .showcase-item:nth-child(2) .iphone-frame:hover {
      transform: translateY(-30px);
    }

    .iphone-frame img {
      width: 100%;
      height: auto;
      border-radius: 28px;
      display: block;
    }

    .iphone-frame::before {
      content: '';
      position: absolute;
      right: -3px;
      top: 90px;
      width: 3px;
      height: 44px;
      background: #2a2a2a;
      border-radius: 0 2px 2px 0;
      box-shadow: 0 56px 0 #2a2a2a;
    }
    .iphone-frame::after {
      content: '';
      position: absolute;
      left: -3px;
      top: 72px;
      width: 3px;
      height: 28px;
      background: #2a2a2a;
      border-radius: 2px 0 0 2px;
      box-shadow: 0 38px 0 #2a2a2a, 0 74px 0 #2a2a2a;
    }

    .showcase-caption {
      text-align: center;
    }
    .showcase-caption strong {
      font-family: var(--font-display);
      font-size: 15px;
      font-weight: 700;
      display: block;
      margin-bottom: 4px;
    }
    .showcase-caption span {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* ============================================================
       CONTACT
    ============================================================ */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 48px;
      max-width: 640px;
    }

    .contact-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      transition: border-color 0.2s ease;
    }
    .contact-card:hover { border-color: var(--accent); }

    .contact-avatar {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-full);
      background: var(--bg-elevated);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-display);
      font-size: 14px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 14px;
      border: 1px solid var(--border);
    }

    .contact-name {
      font-family: var(--font-display);
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .contact-email {
      font-size: 13px;
      color: var(--accent);
      font-family: var(--font-mono);
      transition: color 0.15s ease;
      word-break: break-all;
    }
    .contact-email:hover { color: var(--accent-hover); }

    /* ============================================================
       FOOTER
    ============================================================ */
    .footer {
      padding-block: 48px;
      border-top: 1px solid var(--border);
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .footer-logo {
      font-family: var(--font-display);
      font-size: 18px;
      font-weight: 700;
      letter-spacing: -0.4px;
    }
    .footer-logo .iron { color: var(--text-primary); }
    .footer-logo .lift { color: var(--accent); }

    .footer-copy {
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-links {
      display: flex;
      gap: 24px;
      align-items: center;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-muted);
      transition: color 0.15s ease;
    }
    .footer-links a:hover { color: var(--accent); }

    /* ============================================================
       DIVIDER LINE
    ============================================================ */
    .section-divider {
      width: 48px;
      height: 2px;
      background: var(--accent);
      margin-bottom: 24px;
    }

    /* ============================================================
       WAITLIST BUTTON
    ============================================================ */
    .btn-waitlist {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background-color: var(--accent);
      color: #fff;
      padding: 0 32px;
      min-height: 54px;
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: 16px;
      font-weight: 700;
      transition: background-color 0.15s ease, transform 0.15s ease;
      text-decoration: none;
      letter-spacing: 0.2px;
    }
    .btn-waitlist:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
    }
    .btn-waitlist svg { flex-shrink: 0; }

    /* ============================================================
       WAITLIST BANNER
    ============================================================ */
    .waitlist-banner {
      position: relative;
      padding-block: var(--section-pad);
      text-align: center;
      overflow: hidden;
    }

    .waitlist-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse at 30% 50%, rgba(79, 158, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(79, 158, 255, 0.05) 0%, transparent 60%);
      pointer-events: none;
    }

    .waitlist-banner .section-heading {
      margin-bottom: 16px;
    }

    .waitlist-banner .section-sub {
      margin-inline: auto;
      margin-bottom: 40px;
    }

    .waitlist-banner .btn-waitlist {
      min-height: 58px;
      padding: 0 40px;
      font-size: 17px;
    }

    /* ============================================================
       RESPONSIVE BREAKPOINTS
    ============================================================ */

    /* Tablet — 768px */
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-cta.desktop-only { display: none; }
      .nav-mobile-toggle { display: flex; }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
      }
      .hero-sub { margin-inline: auto; }
      .hero-actions { justify-content: center; }
      .hero-visual { order: -1; }

      .value-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 44px;
      }

      .overload-row {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .overload-divider {
        margin-top: 44px;
        margin-bottom: 44px;
      }

      .steps-row {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .step-arrow { display: none; }

      .showcase-grid {
        grid-template-columns: 1fr;
        align-items: center;
        gap: 48px;
        margin-top: 44px;
      }
      .showcase-item:nth-child(2) .iphone-frame {
        transform: none;
      }
      .showcase-item:nth-child(2) .iphone-frame:hover {
        transform: translateY(-6px);
      }
      .iphone-frame {
        width: 260px;
      }

      .contact-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
      }

      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
      }
    }

    /* Small mobile — 480px */
    @media (max-width: 480px) {
      .hero-headline { letter-spacing: -1px; }
      .iphone { width: 220px; height: 460px; }
      .hero-actions { flex-direction: column; align-items: center; }

      .waitlist-banner .btn-waitlist {
        padding: 0 28px;
        min-height: 52px;
        font-size: 15px;
      }
    }