@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

    /* ============================
       DESIGN TOKENS — Orange Brand
    ============================ */
    :root {
      --orange:        #E8621A;
      --orange-bright: #F07235;
      --orange-dark:   #C4511A;
      --orange-pale:   #FEF3EB;
      --bg-dark:       #0F0F0F;
      --bg-node:       #1A1A1A;
      --bg-card-dark:  #141414;
      --bg-white:      #FFFFFF;
      --bg-light:      #F8F8F8;
      --text-on-orange:#FFFFFF;
      --text-dark:     #111111;
      --text-mid:      #444444;
      --text-muted:    #888888;
      --text-light:    #CCCCCC;
      --border-dark:   rgba(255,255,255,0.08);
      --border-light:  rgba(0,0,0,0.08);
      --border-orange: rgba(232,98,26,0.35);
      --node-border:   rgba(255,255,255,0.12);
      --node-orange:   #E8621A;
      --radius-sm:     6px;
      --radius-md:     12px;
      --radius-lg:     18px;
      --radius-xl:     24px;
      --font-display:  'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
      --font-body:     'Inter', 'Segoe UI', system-ui, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg-white);
      color: var(--text-dark);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* ============================
       LOADER
    ============================ */
    #loader {
      position: fixed; inset: 0; z-index: 9999;
      background: var(--orange);
      display: flex; align-items: center; justify-content: center;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    #loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
    .loader-ring {
      width: 48px; height: 48px;
      border: 2px solid rgba(255,255,255,0.25);
      border-top-color: white;
      border-radius: 50%;
      animation: spin 0.7s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    /* ============================
       LAYOUT
    ============================ */
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ============================
       NAV — white on orange hero becomes transparent then white
    ============================ */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      padding: 16px 0;
      background: rgba(232,98,26,0.95);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.1);
      transition: background 0.3s ease, border-color 0.3s ease;
    }
    nav.scrolled {
      background: rgba(255,255,255,0.97);
      border-bottom: 1px solid var(--border-light);
    }

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

    .nav-logo {
      display: flex; align-items: center; gap: 10px;
      font-family: var(--font-display);
      font-weight: 700; font-size: 1.15rem;
      color: white;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    nav.scrolled .nav-logo { color: var(--text-dark); }

    .nav-logo-icon {
      display: flex; align-items: center; justify-content: center;
    }

    .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
    .nav-links a {
      color: rgba(255,255,255,0.8);
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      transition: color 0.15s ease;
    }
    .nav-links a:hover { color: white; }
    nav.scrolled .nav-links a { color: var(--text-mid); }
    nav.scrolled .nav-links a:hover { color: var(--text-dark); }

    .nav-cta { display: flex; gap: 12px; align-items: center; }

    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      border: none;
      text-decoration: none;
      transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
      font-family: var(--font-body);
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }

    .btn-ghost-white {
      background: rgba(255,255,255,0.15);
      color: white;
      border: 1px solid rgba(255,255,255,0.3);
    }
    .btn-ghost-white:hover { background: rgba(255,255,255,0.25); }

    .btn-white {
      background: white;
      color: var(--orange);
      border: none;
      font-weight: 700;
    }
    .btn-white:hover { background: #FFF7F3; box-shadow: 0 4px 16px rgba(0,0,0,0.12); }

    .btn-orange {
      background: var(--orange);
      color: white;
      box-shadow: 0 2px 12px rgba(232,98,26,0.35);
    }
    .btn-orange:hover { background: var(--orange-bright); box-shadow: 0 4px 20px rgba(232,98,26,0.45); }

    .btn-outline-orange {
      background: transparent;
      color: var(--orange);
      border: 1.5px solid var(--orange);
    }
    .btn-outline-orange:hover { background: var(--orange-pale); }

    .btn-outline-dark {
      background: transparent;
      color: var(--text-dark);
      border: 1.5px solid rgba(0,0,0,0.2);
    }
    .btn-outline-dark:hover { background: var(--bg-light); }

    /* Nav CTA buttons — white bg context */
    nav.scrolled .nav-ghost { background: transparent; color: var(--text-mid); border: 1px solid var(--border-light); }
    nav.scrolled .nav-ghost:hover { color: var(--text-dark); background: var(--bg-light); }
    nav.scrolled .nav-main-cta { background: var(--orange); color: white; }

    .hamburger {
      display: none; flex-direction: column; gap: 5px;
      cursor: pointer; padding: 4px; background: none; border: none;
    }
    .hamburger span {
      width: 24px; height: 2px; background: white;
      border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease;
    }
    nav.scrolled .hamburger span { background: var(--text-dark); }

    /* ============================
       HERO — Bold orange
    ============================ */
    #hero {
      background: var(--orange);
      min-height: 100vh;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      padding: 140px 0 0;
      position: relative;
      overflow: hidden;
    }

    /* Subtle noise texture overlay */
    #hero::before {
      content: '';
      position: absolute; inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none; opacity: 0.4;
    }

    .hero-text {
      text-align: center;
      position: relative; z-index: 2;
      max-width: 900px;
      padding: 0 24px;
    }

    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 6px 16px;
      background: rgba(255,255,255,0.18);
      border: 1px solid rgba(255,255,255,0.3);
      border-radius: 100px;
      font-size: 0.8rem;
      font-weight: 600;
      color: white;
      margin-bottom: 28px;
      letter-spacing: 0.03em;
    }
    .badge-dot {
      width: 6px; height: 6px; background: white;
      border-radius: 50%; animation: pulse-dot 2s ease infinite;
    }
    @keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.7)} }

    h1 {
      font-family: var(--font-display);
      font-size: clamp(3.5rem, 9vw, 7.5rem);
      font-weight: 700;
      line-height: 1.0;
      letter-spacing: -0.035em;
      color: white;
      margin-bottom: 24px;
    }
    /* Mixed weight: "Build," "Train" black, "Integrate," white */
    .hero-word-black { color: var(--text-dark); }
    .hero-word-white { color: white; }

    .hero-sub {
      font-size: 1.1rem;
      color: rgba(255,255,255,0.85);
      max-width: 480px;
      margin: 0 auto 40px;
      line-height: 1.65;
      font-weight: 500;
    }

    .hero-actions {
      display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
      margin-bottom: 80px;
    }

    /* Node builder mockup */
    .hero-mockup {
      position: relative; z-index: 2;
      width: 100%;
      max-width: 900px;
      margin: 0 auto;
      background: var(--bg-node);
      border-radius: var(--radius-xl) var(--radius-xl) 0 0;
      border: 1px solid var(--node-border);
      border-bottom: none;
      overflow: hidden;
      box-shadow: 0 -8px 60px rgba(0,0,0,0.4);
    }

    .mockup-bar {
      display: flex; align-items: center; justify-content: space-between;
      padding: 12px 20px;
      background: var(--bg-card-dark);
      border-bottom: 1px solid var(--node-border);
    }
    .mockup-bar-left { display: flex; align-items: center; gap: 12px; }
    .mockup-logo-sm {
      display: flex; align-items: center; gap: 7px;
      font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; color: white;
    }
    .mockup-version {
      font-size: 0.7rem; font-weight: 600; color: var(--text-light);
      background: rgba(255,255,255,0.08); padding: 2px 8px; border-radius: 4px;
    }
    .mockup-tab {
      font-size: 0.8rem; font-weight: 600; color: white;
      background: rgba(255,255,255,0.06); padding: 4px 14px; border-radius: 6px;
    }
    .mockup-bar-right { display: flex; align-items: center; gap: 10px; }
    .mockup-btn-sm {
      font-size: 0.78rem; font-weight: 600; padding: 5px 14px; border-radius: 6px; cursor: pointer; border: none; font-family: var(--font-body);
    }
    .mockup-btn-dark { background: rgba(255,255,255,0.08); color: white; }
    .mockup-btn-orange { background: var(--orange); color: white; }
    .mockup-avatar {
      width: 28px; height: 28px; border-radius: 50%;
      background: linear-gradient(135deg, var(--orange), #f5a623);
    }

    /* Node canvas */
    .node-canvas {
      height: 260px;
      background: var(--bg-node);
      position: relative;
      overflow: hidden;
      display: flex; align-items: center;
      padding: 20px 40px;
      gap: 0;
    }

    /* Grid bg */
    .node-canvas::before {
      content: '';
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 40px 40px;
    }

    .node-card {
      background: white;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.15);
      padding: 16px;
      min-width: 160px;
      position: relative;
      z-index: 2;
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    .node-title {
      font-family: var(--font-display); font-size: 0.85rem; font-weight: 700;
      color: var(--text-dark); margin-bottom: 10px;
      display: flex; align-items: center; gap: 7px;
    }
    .node-icon { font-size: 0.8rem; }
    .node-icon-orange { color: var(--orange); }
    .node-field {
      background: #F5F5F5; border: 1px solid #E5E5E5;
      border-radius: 6px; padding: 5px 10px;
      font-size: 0.72rem; color: var(--text-mid);
      margin-bottom: 6px;
    }
    .node-field-label { font-size: 0.65rem; color: var(--text-muted); margin-bottom: 3px; }
    .node-add-btn {
      border: 1px dashed #CCC; border-radius: 6px;
      padding: 5px; text-align: center;
      font-size: 0.7rem; color: var(--text-muted); cursor: pointer;
    }
    .node-connector {
      position: absolute; right: -6px; top: 50%;
      width: 10px; height: 10px; border-radius: 50%;
      background: var(--orange); transform: translateY(-50%);
      border: 2px solid white; z-index: 3;
    }
    .node-connector-left {
      position: absolute; left: -6px; top: 50%;
      width: 10px; height: 10px; border-radius: 50%;
      background: var(--orange); transform: translateY(-50%);
      border: 2px solid white; z-index: 3;
    }

    /* SVG connector line */
    .node-line-svg {
      position: absolute; inset: 0; z-index: 1; pointer-events: none;
      width: 100%; height: 100%;
    }

    .node-gap { width: 60px; position: relative; z-index: 1; flex-shrink: 0; }
    .node-gap-sm { width: 40px; flex-shrink: 0; }

    .node-io-label {
      position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%);
      font-size: 0.6rem; color: var(--text-muted); white-space: nowrap;
    }

    /* ============================
       SECTION COMMON
    ============================ */
    section { padding: 100px 0; }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.72rem; font-weight: 700;
      color: var(--orange);
      text-transform: uppercase; letter-spacing: 0.1em;
      margin-bottom: 14px;
    }

    h2 {
      font-family: var(--font-display);
      font-size: clamp(1.875rem, 4vw, 3rem);
      font-weight: 700; letter-spacing: -0.025em; line-height: 1.1;
      margin-bottom: 16px;
      color: var(--text-dark);
    }

    .section-desc {
      font-size: 1.0625rem; color: var(--text-mid);
      max-width: 520px; margin-bottom: 60px; line-height: 1.7;
    }

    /* ============================
       LOGO STRIP
    ============================ */
    .logo-strip-section {
      background: var(--bg-light);
      padding: 36px 0;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .logo-strip {
      display: flex; align-items: center; justify-content: center;
      gap: 48px; flex-wrap: wrap;
    }
    .logo-item {
      font-family: var(--font-display); font-weight: 700; font-size: 1rem;
      color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase;
      opacity: 0.5; transition: opacity 0.2s ease;
    }
    .logo-item:hover { opacity: 0.85; }

    /* ============================
       BENTO FEATURES
    ============================ */
    #features { background: white; }

    .bento-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 16px;
    }

    .bento-node {
      background: var(--bg-light);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 30px;
      position: relative; overflow: hidden; cursor: pointer;
      transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }
    .bento-node:hover {
      border-color: rgba(232,98,26,0.3);
      transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(232,98,26,0.1);
      background: #FFF;
    }
    .bento-node.active-bento {
      border-color: var(--orange);
      box-shadow: 0 0 0 1px var(--orange), 0 8px 40px rgba(232,98,26,0.15);
      background: #FFF;
    }
    .bento-node::before {
      content: '';
      position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(232,98,26,0.04) 0%, rgba(232,98,26,0.01) 100%);
      opacity: 0; transition: opacity 0.2s ease;
    }
    .bento-node:hover::before, .bento-node.active-bento::before { opacity: 1; }

    .bento-node-inner { position: relative; z-index: 1; }

    .bn-1 { grid-column: span 7; }
    .bn-2 { grid-column: span 5; }
    .bn-3 { grid-column: span 4; }
    .bn-4 { grid-column: span 4; }
    .bn-5 { grid-column: span 4; }
    .bn-6 { grid-column: span 6; }
    .bn-7 { grid-column: span 6; }

    .bento-icon {
      width: 42px; height: 42px; border-radius: var(--radius-sm);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 18px; font-size: 1.1rem;
    }
    .icon-orange { background: rgba(232,98,26,0.1); }
    .icon-dark { background: rgba(0,0,0,0.06); }

    .bento-node h3 {
      font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
      margin-bottom: 8px; color: var(--text-dark);
    }
    .bento-node p { font-size: 0.875rem; color: var(--text-mid); line-height: 1.65; }

    .bento-tag {
      display: inline-block; padding: 3px 10px; border-radius: 100px;
      font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.08em; margin-bottom: 14px;
    }
    .tag-orange { background: rgba(232,98,26,0.1); color: var(--orange); }
    .tag-dark { background: rgba(0,0,0,0.07); color: var(--text-mid); }

    .bento-metric {
      font-family: var(--font-display); font-size: 2.5rem; font-weight: 700;
      letter-spacing: -0.03em; margin-bottom: 6px; color: var(--orange);
    }

    .mini-pipeline {
      display: flex; align-items: center; gap: 8px; margin-top: 20px;
    }
    .pipe-step {
      flex: 1; background: white; border: 1px solid var(--border-light);
      border-radius: var(--radius-sm); padding: 7px 10px;
      font-size: 0.7rem; color: var(--text-muted); text-align: center; font-weight: 600;
    }
    .pipe-arrow { color: var(--orange); font-size: 0.75rem; flex-shrink: 0; }

    .active-indicator {
      position: absolute; top: 12px; right: 12px;
      width: 8px; height: 8px;
      background: var(--orange); border-radius: 50%;
      opacity: 0; transition: opacity 0.2s ease;
    }
    .bento-node.active-bento .active-indicator { opacity: 1; }

    /* Accordion */
    .accordion-list { display: none; }
    .accordion-item {
      border: 1px solid var(--border-light); border-radius: var(--radius-md);
      overflow: hidden; margin-bottom: 8px; background: var(--bg-light);
    }
    .accordion-trigger {
      width: 100%; display: flex; align-items: center; justify-content: space-between;
      padding: 18px 20px; background: none; border: none; cursor: pointer;
      text-align: left; color: var(--text-dark);
      font-family: var(--font-body); font-size: 0.9375rem; font-weight: 600;
      transition: background 0.15s ease;
    }
    .accordion-trigger:hover { background: rgba(232,98,26,0.04); }
    .accordion-trigger.open { color: var(--orange); }
    .accordion-chevron {
      width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; transition: transform 0.3s ease-in-out; color: var(--text-muted);
    }
    .accordion-trigger.open .accordion-chevron { transform: rotate(180deg); color: var(--orange); }
    .accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.35s ease-in-out; }
    .accordion-body.open { max-height: 400px; }
    .accordion-body-inner {
      padding: 0 20px 20px; font-size: 0.875rem; color: var(--text-mid); line-height: 1.65;
    }
    .accordion-trigger .acc-icon {
      width: 28px; height: 28px; border-radius: 6px;
      display: flex; align-items: center; justify-content: center;
      margin-right: 12px; font-size: 0.9rem; flex-shrink: 0;
    }
    .accordion-trigger-left { display: flex; align-items: center; }

    /* ============================
       PRICING
    ============================ */
    #pricing { background: var(--bg-dark); }
    #pricing h2 { color: white; }
    #pricing .section-eyebrow { color: var(--orange); }
    #pricing .section-desc { color: var(--text-light); }

    .pricing-controls {
      display: flex; align-items: center; gap: 24px;
      margin-bottom: 48px; flex-wrap: wrap;
    }
    .billing-toggle { display: flex; align-items: center; gap: 12px; }
    .billing-label {
      font-size: 0.875rem; font-weight: 600; color: var(--text-muted);
      transition: color 0.15s ease; cursor: default;
    }
    .billing-label.active { color: white; }

    .toggle-track {
      width: 44px; height: 24px; background: rgba(255,255,255,0.15);
      border-radius: 100px; position: relative; cursor: pointer;
      transition: background 0.2s ease;
      outline: none;
    }
    .toggle-track:focus-visible { box-shadow: 0 0 0 2px var(--orange); }
    .toggle-track.on { background: var(--orange); }
    .toggle-thumb {
      position: absolute; top: 3px; left: 3px;
      width: 18px; height: 18px; background: white;
      border-radius: 50%; transition: transform 0.2s ease;
    }
    .toggle-track.on .toggle-thumb { transform: translateX(20px); }

    .save-badge {
      font-size: 0.7rem; font-weight: 700; color: white;
      background: var(--orange); padding: 3px 8px; border-radius: 100px; letter-spacing: 0.04em;
    }

    .currency-select-wrap { position: relative; display: inline-flex; align-items: center; }
    .currency-select {
      appearance: none; -webkit-appearance: none;
      background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
      color: white; border-radius: var(--radius-md); padding: 8px 36px 8px 14px;
      font-size: 0.875rem; font-weight: 600; cursor: pointer; font-family: var(--font-body);
      transition: border-color 0.15s ease, background 0.15s ease;
    }
    .currency-select:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.12); }
    .currency-select option { background: #1A1A1A; color: white; }
    .select-arrow {
      position: absolute; right: 12px;
      pointer-events: none; color: var(--text-muted); font-size: 0.7rem;
    }

    .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }

    .pricing-card {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-xl); padding: 36px;
      position: relative; overflow: hidden;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .pricing-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
    .pricing-card.featured {
      border-color: var(--orange);
      background: rgba(232,98,26,0.08);
      box-shadow: 0 0 0 1px rgba(232,98,26,0.3), 0 16px 64px rgba(232,98,26,0.12);
      transform: scale(1.02);
    }
    .pricing-card.featured:hover { transform: scale(1.02) translateY(-4px); }

    .popular-badge {
      position: absolute; top: 20px; right: 20px;
      background: var(--orange); color: white;
      padding: 4px 12px; border-radius: 100px;
      font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
    }

    .plan-name {
      font-family: var(--font-display); font-size: 1.125rem; font-weight: 700;
      margin-bottom: 8px; color: white;
    }
    .plan-name.orange { color: var(--orange-bright); }
    .plan-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.5; }

    .price-row { display: flex; align-items: flex-end; gap: 4px; margin-bottom: 6px; }
    .price-currency {
      font-family: var(--font-display); font-size: 1.25rem; font-weight: 700;
      color: var(--text-muted); line-height: 1; margin-bottom: 6px;
    }
    .price-amount {
      font-family: var(--font-display); font-size: 3rem; font-weight: 700;
      line-height: 1; letter-spacing: -0.03em; color: white;
    }
    .price-period { font-size: 0.85rem; color: var(--text-muted); }
    .price-annual-note { font-size: 0.8rem; color: var(--orange-bright); margin-bottom: 28px; min-height: 1.2em; margin-top: 6px; }

    .divider { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin: 24px 0; }

    .feature-list { list-style: none; margin-bottom: 32px; }
    .feature-list li {
      display: flex; align-items: flex-start; gap: 10px;
      padding: 7px 0; font-size: 0.875rem; color: var(--text-light);
    }
    .feature-list li .check { color: var(--orange-bright); font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
    .feature-list li .cross { color: #555; font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }

    /* ============================
       TESTIMONIALS
    ============================ */
    #testimonials { background: var(--bg-light); }

    .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .testimonial-card {
      background: white; border: 1px solid var(--border-light);
      border-radius: var(--radius-lg); padding: 28px;
      transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }
    .testimonial-card:hover {
      border-color: rgba(232,98,26,0.25);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(232,98,26,0.08);
    }
    .stars { display: flex; gap: 3px; margin-bottom: 16px; color: var(--orange); font-size: 0.85rem; }
    .testimonial-text { font-size: 0.9rem; color: var(--text-mid); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
    .testimonial-author { display: flex; align-items: center; gap: 12px; }
    .author-avatar {
      width: 36px; height: 36px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 0.85rem; font-weight: 700; flex-shrink: 0;
    }
    .author-name { font-size: 0.875rem; font-weight: 600; color: var(--text-dark); }
    .author-role { font-size: 0.78rem; color: var(--text-muted); }

    /* ============================
       CTA BAND
    ============================ */
    #cta-band { background: var(--orange); padding: 100px 0; }
    .cta-inner { text-align: center; }
    .cta-inner h2 { color: white; margin-bottom: 16px; font-size: clamp(2rem, 5vw, 3.5rem); }
    .cta-inner p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 440px; margin: 0 auto 40px; line-height: 1.65; }
    .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .cta-note { margin-top: 20px; font-size: 0.8rem; color: rgba(255,255,255,0.65); }

    /* ============================
       FOOTER
    ============================ */
    footer { background: var(--bg-dark); border-top: 1px solid rgba(255,255,255,0.06); padding: 56px 0 32px; }
    .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
    .footer-logo { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: white; text-decoration: none; margin-bottom: 12px; }
    .footer-brand p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; max-width: 260px; margin-top: 12px; }
    .footer-col h4 { font-family: var(--font-display); font-size: 0.78rem; font-weight: 700; color: white; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a { color: var(--text-muted); text-decoration: none; font-size: 0.875rem; transition: color 0.15s ease; }
    .footer-col ul a:hover { color: white; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
    .footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

    /* ============================
       ANIMATIONS
    ============================ */
    .fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
    .fade-up.visible { opacity: 1; transform: translateY(0); }
    .fade-up.delay-1 { transition-delay: 0.1s; }
    .fade-up.delay-2 { transition-delay: 0.2s; }
    .fade-up.delay-3 { transition-delay: 0.3s; }

    /* ============================
       RESPONSIVE
    ============================ */
    @media (max-width: 1024px) {
      .pricing-grid { grid-template-columns: 1fr 1fr; }
      .pricing-card.featured { transform: none; }
      .testimonials-grid { grid-template-columns: 1fr 1fr; }
      .footer-inner { grid-template-columns: 1fr 1fr; }
      .bn-1 { grid-column: span 12; }
      .bn-2 { grid-column: span 12; }
      .bn-3 { grid-column: span 6; }
      .bn-4 { grid-column: span 6; }
      .bn-5 { grid-column: span 12; }
      .bn-6 { grid-column: span 6; }
      .bn-7 { grid-column: span 6; }
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-cta .nav-ghost { display: none; }
      .hamburger { display: flex; }
      section { padding: 64px 0; }
      .bento-grid { display: none; }
      .accordion-list { display: block; }
      .pricing-grid { grid-template-columns: 1fr; }
      .pricing-card.featured { transform: none; order: -1; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .logo-strip { gap: 24px; }
      .footer-inner { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; }
      h1 { font-size: clamp(2.8rem, 12vw, 5rem); }
      .node-canvas { padding: 20px; gap: 0; height: 220px; }
      .node-card { min-width: 120px; padding: 12px; }
      .node-gap { width: 30px; }
    }

    @media (max-width: 480px) {
      .hero-actions { flex-direction: column; align-items: center; }
      .hero-actions .btn { width: 100%; justify-content: center; }
      .cta-actions { flex-direction: column; align-items: center; }
    }

    /* Mobile nav */
    .mobile-nav {
      display: none;
      position: fixed; top: 65px; left: 0; right: 0; z-index: 99;
      background: rgba(232,98,26,0.98); backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.1); padding: 20px 24px;
    }
    nav.scrolled + .mobile-nav, .mobile-nav.scrolled-nav { background: rgba(255,255,255,0.98); }
    .mobile-nav.open { display: block; }
    .mobile-nav ul { list-style: none; }
    .mobile-nav ul li { border-bottom: 1px solid rgba(255,255,255,0.1); }
    .mobile-nav ul a { display: block; padding: 14px 0; color: rgba(255,255,255,0.85); text-decoration: none; font-weight: 500; transition: color 0.15s ease; }
    .mobile-nav ul a:hover { color: white; }
    .mobile-nav-cta { margin-top: 20px; }

    /* GitHub icon */
    .github-icon { color: white; opacity: 0.8; transition: opacity 0.15s ease; }
    .github-icon:hover { opacity: 1; }
    nav.scrolled .github-icon { color: var(--text-dark); }