/* =========================================
   IndusTechSol – styles.css
   Unified Glassmorphism · Continuous Canvas
   ========================================= */

   @import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

   /* =======================================
      DESIGN TOKENS
      ======================================= */
   :root {
     --canvas: #060a14;

     --glass-1:  rgba(255,255,255,0.03);
     --glass-2:  rgba(255,255,255,0.055);
     --glass-3:  rgba(255,255,255,0.085);
     --glass-bg: rgba(6,10,20,0.50);
     --glass-bg-deep: rgba(6,10,20,0.68);

     --glass-border:      rgba(255,255,255,0.07);
     --glass-border-blue: rgba(59,130,246,0.25);
     --glass-blur:    12px;
     --glass-blur-sm: 6px;

     --navy-800: #0d1629;
     --navy-700: #121e38;
     --navy-600: #1a2a4f;

     --blue-700: #1d4ed8;
     --blue-600: #2563eb;
     --blue-500: #3b82f6;
     --blue-400: #60a5fa;
     --blue-300: #93c5fd;
     --blue-200: #bfdbfe;

     --t1: #f0f4ff;
     --t2: #c8d8f0;
     --t3: #8ba5cc;
     --t4: #4a6080;
     --t5: #2a3a52;

     --shadow-sm: 0 2px 12px rgba(0,0,0,0.28), 0 1px 0 rgba(255,255,255,0.04) inset;
     --shadow-md: 0 4px 28px rgba(0,0,0,0.36), 0 1px 0 rgba(255,255,255,0.05) inset;
     --shadow-lg: 0 8px 50px rgba(0,0,0,0.48), 0 1px 0 rgba(255,255,255,0.06) inset;
     --shadow-hover: 0 10px 56px rgba(0,0,0,0.52), 0 0 0 1px rgba(59,130,246,0.2), 0 1px 0 rgba(255,255,255,0.07) inset;
     --shadow-blue: 0 0 40px rgba(59,130,246,0.18);

     --r-sm:   8px;
     --r-md:   12px;
     --r-lg:   18px;
     --r-xl:   24px;
     --r-2xl:  32px;
     --r-full: 9999px;

     --font: 'Plus Jakarta Sans', sans-serif;

     --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
     --ease-std: cubic-bezier(0.4, 0, 0.2, 1);
     --t-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
     --t-med:  0.34s cubic-bezier(0.22, 1, 0.36, 1);
     --t-slow: 0.62s cubic-bezier(0.22, 1, 0.36, 1);
   }

   :root[data-theme="light"] {
     --canvas: #f5f7fb;
     --glass-1:  rgba(15,23,42,0.03);
     --glass-2:  rgba(15,23,42,0.06);
     --glass-3:  rgba(15,23,42,0.08);
     --glass-bg: rgba(255,255,255,0.82);
     --glass-bg-deep: rgba(255,255,255,0.94);
     --glass-border:      rgba(15,23,42,0.10);
     --glass-border-blue: rgba(59,130,246,0.32);
     --navy-800: #e2e8f0;
     --navy-700: #cbd5e1;
     --navy-600: #94a3b8;
     --t1: #020617;
     --t2: #0f172a;
     --t3: #334155;
     --t4: #64748b;
     --t5: #94a3b8;
     --shadow-sm: 0 1px 4px rgba(15,23,42,0.10), 0 1px 0 rgba(255,255,255,0.9) inset;
     --shadow-md: 0 8px 24px rgba(15,23,42,0.12), 0 1px 0 rgba(255,255,255,0.95) inset;
     --shadow-lg: 0 18px 45px rgba(15,23,42,0.14), 0 1px 0 rgba(255,255,255,0.95) inset;
     --shadow-hover: 0 18px 60px rgba(15,23,42,0.16), 0 0 0 1px rgba(59,130,246,0.22), 0 1px 0 rgba(255,255,255,0.96) inset;
     --shadow-blue: 0 0 40px rgba(59,130,246,0.20);
   }

   /* =======================================
      RESET & BASE
      ======================================= */
   *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
   html { scroll-behavior: smooth; font-size: 16px; }

   body {
     font-family: var(--font);
     background-color: var(--canvas);
     color: var(--t2);
     overflow-x: hidden;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
     transition: background-color 0.25s var(--ease-std), color 0.25s var(--ease-std);
   }

   img { max-width: 100%; height: auto; display: block; }
   a   { color: inherit; text-decoration: none; }

   ::-webkit-scrollbar       { width: 5px; }
   ::-webkit-scrollbar-track { background: var(--canvas); }
   ::-webkit-scrollbar-thumb { background: var(--navy-700); border-radius: 3px; }
   ::-webkit-scrollbar-thumb:hover { background: var(--blue-600); }
   ::selection { background: var(--blue-600); color: #fff; }

   /* Film grain overlay */
   body::before {
     content: '';
     position: fixed;
     inset: 0;
     background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
     background-size: 256px;
     pointer-events: none;
     z-index: 9999;
     opacity: 0.45;
   }

   /* =======================================
      AMBIENT ORBS
      ======================================= */
   .ambient-orbs {
     position: fixed;
     inset: 0;
     z-index: 1;
     pointer-events: none;
     overflow: hidden;
   }
   .orb { position: absolute; border-radius: 50%; will-change: transform; }
   .orb-1 {
     width: 70vmax; height: 70vmax;
     background: radial-gradient(circle at center, rgba(29,78,216,0.11) 0%, transparent 60%);
     filter: blur(90px); top: -20vmax; left: -15vmax;
     animation: o1 26s ease-in-out infinite;
   }
   .orb-2 {
     width: 55vmax; height: 55vmax;
     background: radial-gradient(circle at center, rgba(37,99,235,0.08) 0%, transparent 60%);
     filter: blur(80px); top: 15%; right: -18vmax;
     animation: o2 30s ease-in-out infinite;
   }
   .orb-3 {
     width: 45vmax; height: 45vmax;
     background: radial-gradient(circle at center, rgba(59,130,246,0.07) 0%, transparent 60%);
     filter: blur(70px); top: 50%; left: 25%;
     transform: translate(-50%, -50%);
     animation: o3 24s ease-in-out infinite;
   }
   .orb-4 {
     width: 60vmax; height: 60vmax;
     background: radial-gradient(circle at center, rgba(29,78,216,0.09) 0%, transparent 60%);
     filter: blur(85px); bottom: -15vmax; right: 5%;
     animation: o4 28s ease-in-out infinite;
   }
   .orb-5 {
     width: 40vmax; height: 40vmax;
     background: radial-gradient(circle at center, rgba(37,99,235,0.07) 0%, transparent 60%);
     filter: blur(70px); bottom: 15%; left: -10vmax;
     animation: o5 32s ease-in-out infinite;
   }

   @keyframes o1 {
     0%,100% { transform: translate(0,0) scale(1); }
     33%     { transform: translate(6%,4%) scale(1.08); }
     66%     { transform: translate(-3%,7%) scale(0.95); }
   }
   @keyframes o2 {
     0%,100% { transform: translate(0,0) scale(1); }
     42%     { transform: translate(-6%,-4%) scale(1.09); }
     71%     { transform: translate(3%,5%) scale(0.94); }
   }
   @keyframes o3 {
     0%,100% { transform: translate(-50%,-50%) scale(1); }
     50%     { transform: translate(-50%,-50%) scale(1.16); }
   }
   @keyframes o4 {
     0%,100% { transform: translate(0,0) scale(1); }
     48%     { transform: translate(-4%,-6%) scale(1.1); }
   }
   @keyframes o5 {
     0%,100% { transform: translate(0,0) scale(1); }
     55%     { transform: translate(7%,3%) scale(1.12); }
   }

   /* =======================================
      LAYOUT
      ======================================= */
   .container {
     max-width: 1220px;
     margin: 0 auto;
     padding: 0 clamp(1.25rem, 4vw, 2.5rem);
   }
   section      { position: relative; z-index: 2; }
   .section-pad { padding: clamp(5rem, 10vw, 8rem) 0; }

   .flow-divider {
     position: relative; z-index: 2; height: 1px;
     background: linear-gradient(90deg,
       transparent 0%, var(--glass-border) 20%,
       rgba(59,130,246,0.14) 50%,
       var(--glass-border) 80%, transparent 100%
     );
   }

   /* =======================================
      TYPOGRAPHY
      ======================================= */
   .eyebrow {
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
     font-size: 0.7rem;
     font-weight: 700;
     letter-spacing: 0.15em;
     text-transform: uppercase;
     color: var(--blue-400);
     margin-bottom: 0.875rem;
   }
   .eyebrow::before {
     content: '';
     width: 18px; height: 1px;
     background: var(--blue-500);
     display: block; flex-shrink: 0;
   }
   .centered .eyebrow { justify-content: center; }
   .centered .eyebrow::before { display: none; }
   .centered .eyebrow::after {
     content: '';
     width: 18px; height: 1px;
     background: var(--blue-500);
   }

   .section-title {
     font-size: clamp(1.9rem, 4vw, 2.85rem);
     font-weight: 800;
     letter-spacing: -0.032em;
     line-height: 1.1;
     color: var(--t1);
   }
   .section-title em { font-style: normal; color: var(--blue-400); }

   .section-lead {
     font-size: clamp(0.95rem, 1.6vw, 1.075rem);
     color: var(--t3);
     line-height: 1.78;
     max-width: 580px;
     margin-top: 0.875rem;
   }
   .centered .section-lead { margin-left: auto; margin-right: auto; }
   .section-header           { margin-bottom: 3.25rem; }
   .section-header.centered  { text-align: center; }

   /* =======================================
      BADGE
      ======================================= */
   .badge {
     display: inline-flex; align-items: center; gap: 0.4rem;
     padding: 0.28rem 0.75rem;
     border-radius: var(--r-full);
     font-size: 0.68rem; font-weight: 700;
     letter-spacing: 0.1em; text-transform: uppercase;
     color: var(--blue-300);
     background: rgba(59,130,246,0.09);
     border: 1px solid rgba(59,130,246,0.22);
   }
   .badge-dot {
     width: 5px; height: 5px; border-radius: 50%;
     background: var(--blue-500);
     box-shadow: 0 0 5px var(--blue-500);
   }

   /* =======================================
      BUTTONS
      ======================================= */
   .btn {
     display: inline-flex; align-items: center; gap: 0.45rem;
     height: 48px; padding: 0 1.75rem;
     border-radius: var(--r-full);
     font-family: var(--font); font-size: 0.84rem;
     font-weight: 700; letter-spacing: 0.02em;
     cursor: pointer; border: none;
     transition: transform var(--t-fast), box-shadow var(--t-fast), filter var(--t-fast);
     text-decoration: none; white-space: nowrap;
   }
   .btn .material-symbols-outlined { font-size: 17px; }

   .btn-primary {
     background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
     color: #fff;
     box-shadow: 0 4px 22px rgba(59,130,246,0.38), 0 1px 0 rgba(255,255,255,0.14) inset;
   }
   .btn-primary:hover {
     transform: translateY(-2px); filter: brightness(1.08);
     box-shadow: 0 8px 34px rgba(59,130,246,0.55), 0 1px 0 rgba(255,255,255,0.2) inset;
   }

   .btn-ghost {
     background: var(--glass-2);
     backdrop-filter: blur(var(--glass-blur-sm));
     -webkit-backdrop-filter: blur(var(--glass-blur-sm));
     border: 1px solid var(--glass-border);
     color: var(--t2);
   }
   .btn-ghost:hover {
     background: var(--glass-3);
     border-color: rgba(255,255,255,0.14);
     color: var(--t1); transform: translateY(-1px);
   }

   /* =======================================
      HEADER
      ======================================= */
   #site-header {
     position: fixed;
     top: 0.875rem; left: 50%;
     transform: translateX(-50%);
     width: calc(100% - 2.25rem);
     max-width: 1160px;
     z-index: 900;
     border-radius: var(--r-xl);
     background: rgba(6,10,20,0);
   }
   #site-header.scrolled {
     backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
   }

   .header-inner {
     display: flex; align-items: center;
     justify-content: space-between;
     height: 60px; padding: 0 1.125rem;
   }

   .logo-wrap {
     display: flex; align-items: center;
     gap: 0.55rem; text-decoration: none; flex-shrink: 0;
   }
   .logo-icon-box {
     width: 30px; height: 30px; border-radius: 9px;
     background: rgba(59,130,246,0.12);
     border: 1px solid rgba(59,130,246,0.2);
     display: flex; align-items: center; justify-content: center;
     color: var(--blue-400); flex-shrink: 0;
   }
   .logo-icon-box .material-symbols-outlined { font-size: 16px; }
   .logo-img { height: 32px; width: auto; object-fit: contain; display: none; }
   .logo-img.loaded { display: block; }
   .logo-img.loaded ~ .logo-icon-box { display: none; }
   .logo-text {
     font-size: 0.97rem; font-weight: 800;
     letter-spacing: -0.025em; color: var(--t1);
   }

   .nav-links { display: flex; align-items: center; gap: 0.1rem; }
   .nav-link {
     padding: 0.32rem 0.75rem;
     border-radius: var(--r-full);
     font-size: 0.825rem; font-weight: 500;
     color: var(--t3);
     transition: color var(--t-fast), background var(--t-fast);
     white-space: nowrap;
   }
   .nav-link:hover { color: var(--t1); background: var(--glass-1); }
   .nav-link.nav-active {
     color: var(--blue-300);
     background: rgba(59,130,246,0.10);
     border: 1px solid rgba(59,130,246,0.22);
   }

   .header-cta {
     display: flex; align-items: center;
     height: 34px; padding: 0 0.95rem;
     border-radius: var(--r-full);
     background: linear-gradient(135deg, rgba(37,99,235,0.92), rgba(59,130,246,0.88));
     color: #fff; font-size: 0.76rem; font-weight: 700;
     letter-spacing: 0.05em; text-transform: uppercase;
     border: 1px solid rgba(255,255,255,0.14);
     box-shadow: 0 2px 12px rgba(59,130,246,0.38);
     transition: transform var(--t-fast), box-shadow var(--t-fast), filter var(--t-fast);
     cursor: pointer; text-decoration: none; white-space: nowrap;
   }
   .header-cta:hover {
     transform: translateY(-1px); filter: brightness(1.1);
     box-shadow: 0 4px 20px rgba(59,130,246,0.55);
   }

   .hamburger {
     display: none; flex-direction: column;
     gap: 5px; background: none; border: none;
     cursor: pointer; padding: 4px;
   }
   .hamburger span {
     display: block; width: 21px; height: 2px;
     background: var(--t3); border-radius: 2px;
     transition: var(--t-med);
   }
   .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
   .hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
   .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

   .mobile-menu {
     display: none; flex-direction: column;
     padding: 0.5rem 1rem 0.875rem;
     border-top: 1px solid var(--glass-border);
   }
   .mobile-menu.open { display: flex; }
   .mobile-menu #mobile-nav { display: flex; flex-direction: column; gap: 0.1rem; }
   .mobile-menu .nav-link { font-size: 0.9rem; padding: 0.5rem 0.75rem; border-radius: var(--r-md); }

   @media (max-width: 768px) {
     .nav-links   { display: none; }
     .hamburger   { display: flex; }
     #site-header { width: calc(100% - 1.5rem); top: 0.625rem; }
   }
   @media (min-width: 480px) {
     #header-cta-btn { display: flex !important; }
   }

   /* =======================================
      HERO — sticky wrapper + base layout
      ======================================= */

   /* The wrapper is the scroll canvas — hero sticks inside it */
   #hero-wrapper {
     position: relative;
     height: 200vh;   /* extra 100vh keeps hero pinned while phase-2 settles */
   }

  #hero {
    --hero-shift: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 9rem 1.25rem 6rem;
    z-index: 2;
    overflow: hidden;
  }

   .hero-bg-img {
     position: absolute; inset: 0;
     background-size: cover;
     background-position: center 30%;
     background-repeat: no-repeat;
     opacity: 0.85;
   }
   .hero-overlay { position: absolute; inset: 0; }
   .hero-grid {
     position: absolute; inset: 0;
     background-image:
       linear-gradient(rgba(59,130,246,0.035) 1px, transparent 1px),
       linear-gradient(90deg, rgba(59,130,246,0.035) 1px, transparent 1px);
     background-size: 56px 56px;
     mask-image: radial-gradient(ellipse 75% 65% at 50% 50%, black 20%, transparent 100%);
     pointer-events: none;
   }

   /* -------------------------------------------------------
      hero-content: positioning context for both phases
      ------------------------------------------------------- */
   .hero-content {
     position: relative;
     z-index: 3;
     max-width: 840px;
     width: 100%;
     min-height: 40vh;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
   }

  /* -------------------------------------------------------
     HEADLINE — scroll-linked, no CSS transition so it tracks
     the scroll thumb exactly in both directions.
     --hero-shift: 0 = fully visible centre; 1 = gone above.
     ------------------------------------------------------- */
  .hero-headline {
    font-size: clamp(2.8rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.04;
    color: var(--t1);
    transform-origin: top center;
    will-change: transform, opacity;
    /* NO transition — must track scroll instantly */
    transform:
      translateY(calc(-45vh * var(--hero-shift, 0)))
      scale(calc(1 - 0.42 * var(--hero-shift, 0)));
    opacity: calc(1 - var(--hero-shift, 0) * 1.4);
  }
  .hero-headline .accent { color: var(--blue-400); }

  /* -------------------------------------------------------
     SUB-HEADLINE — scroll-linked, parks below then rises.
     No transition — tracks scroll exactly in both directions.
     --hero-shift: 0 = below viewport; 1 = dead centre.
     ------------------------------------------------------- */
  .hero-sub {
    position: absolute;
    left: 50%;
    top: 50%;
    transform:
      translate(
        -50%,
        calc(-50% + 70vh * (1 - var(--hero-shift, 0)))
      );
    width: 100%;
    /* Fade in faster than headline fades out for a clean cross */
    opacity: calc((var(--hero-shift, 0) - 0.2) * 1.6);
    pointer-events: none;
    will-change: transform, opacity;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    text-align: center;
  }

   /* Sub-headline — tier 1: eyebrow label */
   .hero-sub-eyebrow {
     display: flex;
     align-items: center;
     gap: 0.875rem;
     font-size: clamp(0.72rem, 1.4vw, 0.85rem);
     font-weight: 700;
     letter-spacing: 0.22em;
     text-transform: uppercase;
     color: var(--blue-400);
   }
   .hero-sub-eyebrow::before,
   .hero-sub-eyebrow::after {
     content: '';
     flex: 0 0 40px;
     height: 1px;
   }
   .hero-sub-eyebrow::before {
     background: linear-gradient(90deg, transparent, var(--blue-500));
   }
   .hero-sub-eyebrow::after {
     background: linear-gradient(90deg, var(--blue-500), transparent);
   }

   /* Sub-headline — tier 2: main bold title (heading-scale text) */
   .hero-sub-main {
     display: block;
     font-size: clamp(2.8rem, 6vw, 4rem);
     font-weight: 800;
     letter-spacing: -0.04em;
     line-height: 1.04;
     color: var(--t1);
     transition: font-size 0.6s var(--ease-out);
   }

  /* -------------------------------------------------------
     PHASE 2 — cosmetic tweaks once we're clearly shifted.
     Class is driven by JS but motion is scroll-linked.
     ------------------------------------------------------- */

  /* Make sub-headline eyebrow feel more heading-like at phase 2 */
   #hero.hero--shifted .hero-sub-eyebrow {
     letter-spacing: 0.18em;
     color: var(--blue-300);
   }

   /* Sub-headline main: scale up slightly for maximum impact */
   #hero.hero--shifted .hero-sub-main {
     font-size: clamp(2.6rem, 6vw, 4.2rem);
     text-shadow: 0 2px 60px rgba(59,130,246,0.3);
   }

   /* Animated progress bar at top of hero when phase-2 active */
   #hero.hero--shifted::after {
     content: '';
     position: absolute;
     top: 0; left: 0; right: 0;
     height: 2px;
     background: linear-gradient(90deg,
       transparent 0%, var(--blue-700) 20%,
       var(--blue-400) 50%,
       var(--blue-700) 80%, transparent 100%
     );
     animation: heroProgressBar 1.2s var(--ease-out) forwards;
     transform-origin: left center;
   }
   @keyframes heroProgressBar {
     from { transform: scaleX(0); opacity: 0; }
     to   { transform: scaleX(1); opacity: 1; }
   }

   /* Scroll cue fades out once phase-2 triggers */
   #hero.hero--shifted .scroll-cue {
     opacity: 0;
     pointer-events: none;
   }

   /* Mobile tweaks */
   @media (max-width: 600px) {
     /* hero-headline transform is scroll-linked — no fixed override */
     .hero-sub-main { font-size: clamp(1.85rem, 9vw, 2.7rem); }
     #hero-wrapper { height: 220vh; }
   }

   /* Scroll cue */
   .scroll-cue {
     position: absolute; bottom: 2rem; left: 50%;
     transform: translateX(-50%);
     display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
     color: var(--t4);
     font-size: 0.63rem; letter-spacing: 0.14em; text-transform: uppercase;
     animation: cueAnim 2.5s ease-in-out infinite;
     z-index: 3;
     transition: opacity 0.45s ease;
   }
   .scroll-cue-line {
     width: 1px; height: 32px;
     background: linear-gradient(to bottom, var(--blue-500), transparent);
   }
   @keyframes cueAnim {
     0%,100% { opacity: 1; transform: translateX(-50%) translateY(0); }
     50%     { opacity: 0.35; transform: translateX(-50%) translateY(7px); }
   }

   /* =======================================
      INTRO
      ======================================= */
   #intro { z-index: 2; }
   .intro-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: clamp(2.5rem, 5vw, 5rem);
     align-items: center;
   }

   .intro-panel {
     border-radius: var(--r-md);
     background: var(--glass-bg);
     backdrop-filter: blur(var(--glass-blur));
     -webkit-backdrop-filter: blur(var(--glass-blur));
     border: 1px solid var(--glass-border);
     box-shadow: var(--shadow-md);
     display: flex; align-items: center; justify-content: center;
     position: relative; overflow: hidden;
   }
   .intro-screenshot {
     width: 100%;
     border-radius: var(--r-md);
     box-shadow: var(--shadow-md);
   }

   .intro-big-line {
     font-size: clamp(1.25rem, 2.5vw, 1.6rem);
     font-weight: 700; line-height: 1.35;
     color: var(--t1); letter-spacing: -0.02em;
     margin: 0.75rem 0 1.125rem;
   }
   .intro-big-line em { font-style: normal; color: var(--blue-400); }
   .intro-body { color: var(--t3); line-height: 1.8; font-size: 1rem; }

   @media (max-width: 768px) {
     .intro-grid { grid-template-columns: 1fr; gap: 2.5rem; }
   }

   /* =======================================
      PRODUCTS — Pipeline layout
      Cards are nodes; SVG edges carry animated
      dashed flow lines conveying seamless handoff.
      ======================================= */
   #products { z-index: 2; }

   /* ── Pipeline row container ── */
   .products-pipeline {
     display: flex;
     align-items: stretch;
     gap: 0;
   }

   /* ── Card = node in the pipeline ── */
   .product-node {
     flex: 1 1 0;
     min-width: 0;
     display: flex; flex-direction: column;
     position: relative;
     border-radius: var(--r-xl);
     background: var(--glass-bg);
     backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     border: 1px solid var(--glass-border);
     box-shadow: var(--shadow-md);
     transition: transform var(--t-med), box-shadow var(--t-med);
     overflow: hidden;
   }
   .product-node:hover {
     transform: translateY(-5px);
     box-shadow: var(--shadow-hover);
   }

   /* Sequential node glow — 9 s loop: CPDS→edge→ACCS→edge→AOS */
   .product-node { animation: nodeGlow 9s ease-in-out infinite; }
   .product-node[data-phase="0"] { animation-delay:  0.0s; }
   .product-node[data-phase="1"] { animation-delay:  3.0s; }
   .product-node[data-phase="2"] { animation-delay:  6.0s; }

   @keyframes nodeGlow {
     0%, 8%   { border-color: var(--glass-border);        box-shadow: var(--shadow-md); }
     14%, 24% { border-color: rgba(59,130,246,0.7);
                box-shadow: var(--shadow-md),
                  0 0 0 1px rgba(59,130,246,0.32),
                  0 0 42px rgba(59,130,246,0.28),
                  inset 0 0 20px rgba(59,130,246,0.07); }
     33%, 100% { border-color: var(--glass-border);       box-shadow: var(--shadow-md); }
   }

   /* ── Thumb (image/icon area) ── */
   .product-thumb {
     aspect-ratio: 16/9; position: relative;
     background: rgba(13,22,41,0.7);
     overflow: hidden;
     display: flex; align-items: center; justify-content: center;
   }
   .product-thumb img {
     position: absolute; inset: 0;
     width: 100%; height: 100%; object-fit: cover;
     opacity: 0;
     transition: opacity var(--t-med), transform 0.7s var(--ease-out);
   }
   .product-thumb img.img-loaded { opacity: 1; z-index: 2; }
   .product-node:hover .product-thumb img { transform: scale(1.04); }

   .product-placeholder {
     display: flex; flex-direction: column;
     align-items: center; gap: 0.5rem;
     color: var(--t5); z-index: 1;
   }
   .product-placeholder .material-symbols-outlined {
     font-size: 38px;
     transition: color var(--t-med), text-shadow var(--t-med);
   }
   .product-node:hover .product-placeholder .material-symbols-outlined {
     color: var(--blue-400);
     text-shadow: 0 0 20px rgba(59,130,246,0.5);
   }
   .product-coming-soon {
     font-size: 0.7rem; text-transform: uppercase;
     letter-spacing: 0.12em; color: var(--t4);
   }

   .product-phase-pill {
     position: absolute; top: 0.7rem; left: 0.7rem; z-index: 3;
     padding: 0.2rem 0.65rem;
     border-radius: var(--r-full);
     background: rgba(6,10,20,0.82);
     backdrop-filter: blur(10px);
     font-size: 0.63rem; font-weight: 700;
     letter-spacing: 0.08em; text-transform: uppercase;
     color: var(--blue-300);
     border: 1px solid var(--glass-border-blue);
   }

   .product-body {
     padding: 1.5rem; flex: 1;
     display: flex; flex-direction: column;
     border-top: 1px solid var(--glass-border);
   }
   .product-name {
     font-size: 1.05rem; font-weight: 700;
     color: var(--t1); letter-spacing: -0.015em;
     line-height: 1.3; margin-bottom: 0.5rem;
   }
   .product-desc { font-size: 0.875rem; color: var(--t3); line-height: 1.7; flex: 1; }

   /* ── Pipeline Edge connector ── */
   .pipeline-edge-wrap {
     flex: 0 0 72px;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     gap: 6px;
     padding: 0 4px;
     position: relative;
     z-index: 5;
   }

   .pipeline-edge-svg {
     width: 100%;
     height: 32px;
     overflow: visible;
   }

   /* ── Base ghost line: always visible, dim ── */
   .edge-base {
     fill: none;
     stroke: rgba(59,130,246,0.15);
     stroke-width: 1.5;
     stroke-dasharray: 5 7;
   }

   /* ── Animated flow line ── */
   .edge-flow {
     fill: none;
     stroke: var(--blue-400);
     stroke-width: 2;
     stroke-dasharray: 8 7;
     stroke-linecap: round;
     animation: dashFlow 1.6s linear infinite;
     opacity: 0.35;
     transition: opacity 0.5s ease, stroke 0.5s ease;
   }

   /* Sequential edge intensify — timed to fire BETWEEN node glows */
   .pipeline-edge-wrap { animation: edgePulse 9s ease-in-out infinite; }
   .pipeline-edge-wrap[data-edge="0"] { animation-delay: 1.4s; }
   .pipeline-edge-wrap[data-edge="1"] { animation-delay: 4.4s; }

   @keyframes edgePulse {
     0%, 10%   { --edge-op: 0.35; }
     16%, 26%  { --edge-op: 1.0;  }
     33%, 100% { --edge-op: 0.35; }
   }

   /* Use a wrapper class toggled by the animation to boost the .edge-flow opacity */
   .pipeline-edge-wrap[data-edge="0"] .edge-flow {
     animation: dashFlow 1.6s linear infinite, edgeFlowFade 9s ease-in-out 1.4s infinite;
   }
   .pipeline-edge-wrap[data-edge="1"] .edge-flow {
     animation: dashFlow 1.6s linear infinite, edgeFlowFade 9s ease-in-out 4.4s infinite;
   }

   @keyframes dashFlow {
     to { stroke-dashoffset: -15; }
   }

   @keyframes edgeFlowFade {
     0%, 10%   { opacity: 0.35; stroke: var(--blue-400); filter: none; }
     16%, 26%  { opacity: 1;    stroke: var(--blue-300);
                 filter: drop-shadow(0 0 4px rgba(59,130,246,0.8))
                         drop-shadow(0 0 10px rgba(59,130,246,0.4)); }
     33%, 100% { opacity: 0.35; stroke: var(--blue-400); filter: none; }
   }

   /* Arrowhead color stays solid; edges handle the motion */

   /* Edge label below the SVG */
   .edge-label {
     font-size: 0.55rem;
     font-weight: 700;
     letter-spacing: 0.08em;
     text-transform: uppercase;
     color: var(--blue-400);
     opacity: 0.55;
     white-space: nowrap;
     text-align: center;
   }

   /* Arrowhead: always visible, no ghosting */
   .edge-arrow {
     fill: var(--blue-300);
     filter: drop-shadow(0 0 1px rgba(59,130,246,0.9));
   }

   /* ── Node connector dots — small dots on left/right edges of each card
      that visually anchor the SVG line to the card border ── */
   .product-node::before,
   .product-node::after {
     content: '';
     position: absolute;
     top: 50%; width: 8px; height: 8px;
     border-radius: 50%;
     background: var(--blue-600);
     border: 2px solid var(--blue-400);
     box-shadow: 0 0 8px rgba(59,130,246,0.6);
     transform: translateY(-50%);
     z-index: 10;
     opacity: 0;
     transition: opacity 0.4s ease;
   }
   /* left dot — only for non-first nodes */
   .product-node[data-phase="1"]::before,
   .product-node[data-phase="2"]::before { left: -5px; opacity: 0; }
   /* right dot — only for non-last nodes */
   .product-node[data-phase="0"]::after,
   .product-node[data-phase="1"]::after  { right: -5px; opacity: 0; }

   /* Dots pulse in sync with their card's nodeGlow */
   .product-node[data-phase="0"]::after,
   .product-node[data-phase="0"]::before { animation: dotPulse 3s ease-in-out  0.0s infinite; }
   .product-node[data-phase="1"]::after,
   .product-node[data-phase="1"]::before { animation: dotPulse 3s ease-in-out  1.0s infinite; }
   .product-node[data-phase="2"]::after,
   .product-node[data-phase="2"]::before { animation: dotPulse 3s ease-in-out  2.0s infinite; }

   @keyframes dotPulse {
     0%, 8%   { box-shadow: 0 0 6px  rgba(59,130,246,0.5);  background: var(--blue-600); }
     14%, 24% { box-shadow: 0 0 18px rgba(59,130,246,0.95); background: var(--blue-300); }
     33%, 100%{ box-shadow: 0 0 6px  rgba(59,130,246,0.5);  background: var(--blue-600); }
   }

   /* ── Responsive ── */
   @media (max-width: 1024px) {
     .pipeline-edge-wrap { flex: 0 0 52px; }
   }

   /* ── VERTICAL PIPELINE — 768px and below ── */
   @media (max-width: 768px) {
     /* Stack pipeline vertically */
     .products-pipeline {
       flex-direction: column;
       align-items: stretch;
       gap: 0;
     }

     /* Cards fill full width */
     .product-node {
       flex: none;
       width: 100%;
     }

     /* Connector strip becomes a horizontal band */
     .pipeline-edge-wrap {
       flex: none;
       width: 100%;
       height: 52px;
       flex-direction: column;
       align-items: center;
       justify-content: center;
       padding: 4px 0;
       gap: 0;
       position: relative;
     }

     /* Hide the horizontal SVG — replaced by CSS vertical connector */
     .pipeline-edge-svg { display: none; }
     .edge-label         { display: none; }

     /* ── Vertical dashed line (CSS, not SVG) ── */
     .pipeline-edge-wrap::before {
       content: '';
       position: absolute;
       left: 50%;
       top: 0; bottom: 14px;        /* leave room for arrowhead */
       width: 2px;
       transform: translateX(-50%);
       background: repeating-linear-gradient(
         to bottom,
         rgba(59,130,246,0.18) 0px, rgba(59,130,246,0.18) 5px,
         transparent 5px,           transparent 12px
       );
       background-size: 2px 17px;
       /* Dashes march downward — same feel as the horizontal SVG */
       animation: vertDashFlow 1.6s linear infinite;
     }

     /* Intensify in sync with the edge pulse timing */
     .pipeline-edge-wrap[data-edge="0"]::before {
       animation: vertDashFlow 1.6s linear infinite,
                  vertEdgeFade 9s ease-in-out 1.4s infinite;
     }
     .pipeline-edge-wrap[data-edge="1"]::before {
       animation: vertDashFlow 1.6s linear infinite,
                  vertEdgeFade 9s ease-in-out 4.4s infinite;
     }

     /* ── Arrowhead pointing DOWN ── */
     .pipeline-edge-wrap::after {
       content: '';
       position: absolute;
       bottom: 4px;
       left: 50%;
       transform: translateX(-50%);
       width: 0; height: 0;
       border-left:  5px solid transparent;
       border-right: 5px solid transparent;
       border-top:   7px solid rgba(59,130,246,0.45);
       /* Arrow also intensifies with edge pulse */
       transition: border-top-color 0.5s ease;
     }
     .pipeline-edge-wrap[data-edge="0"]::after {
       animation: vertArrowFade 9s ease-in-out 1.4s infinite;
     }
     .pipeline-edge-wrap[data-edge="1"]::after {
       animation: vertArrowFade 9s ease-in-out 4.4s infinite;
     }

     /* ── Connector dots: reposition to top/bottom edges ── */
     .product-node::before,
     .product-node::after {
       /* Reset desktop left/right positioning */
       top: auto; left: 50%;
       transform: translateX(-50%);
     }
     /* Top dot (receives the incoming edge) */
     .product-node[data-phase="1"]::before,
     .product-node[data-phase="2"]::before {
       top: -5px; left: 50%;
       transform: translateX(-50%);
     }
     /* Bottom dot (sends the outgoing edge) */
     .product-node[data-phase="0"]::after,
     .product-node[data-phase="1"]::after {
       top: auto; bottom: -5px; left: 50%;
       transform: translateX(-50%);
     }
   }

   @keyframes vertDashFlow {
     to { background-position: 0 17px; }
   }
   @keyframes vertEdgeFade {
     0%, 10%   { background-image: repeating-linear-gradient(
                   to bottom,
                   rgba(59,130,246,0.18) 0px, rgba(59,130,246,0.18) 5px,
                   transparent 5px, transparent 12px); }
     16%, 26%  { background-image: repeating-linear-gradient(
                   to bottom,
                   rgba(59,130,246,0.90) 0px, rgba(59,130,246,0.90) 5px,
                   transparent 5px, transparent 12px);
                 filter: drop-shadow(0 0 4px rgba(59,130,246,0.7)); }
     33%, 100% { background-image: repeating-linear-gradient(
                   to bottom,
                   rgba(59,130,246,0.18) 0px, rgba(59,130,246,0.18) 5px,
                   transparent 5px, transparent 12px); }
   }
   @keyframes vertArrowFade {
     0%, 10%   { border-top-color: rgba(59,130,246,0.40); }
     16%, 26%  { border-top-color: var(--blue-300);
                 filter: drop-shadow(0 0 5px rgba(59,130,246,0.9)); }
     33%, 100% { border-top-color: rgba(59,130,246,0.40); }
   }

   /* =======================================
      AI SECTION
      ======================================= */
   #ai-section { z-index: 2; }
   .ai-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 1.125rem;
   }

   .ai-card {
     padding: 1.75rem;
     border-radius: var(--r-xl);
     background: var(--glass-bg);
     backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     border: 1px solid var(--glass-border);
     box-shadow: var(--shadow-md);
     position: relative; overflow: hidden;
     transition: border-color var(--t-med), box-shadow var(--t-med), background var(--t-med);
   }
   .ai-card::after {
     content: '';
     position: absolute; top: 0; left: 15%; right: 15%; height: 1px;
     background: linear-gradient(90deg, transparent, var(--blue-500), transparent);
     opacity: 0; transition: opacity var(--t-med);
   }
   .ai-card:hover {
     border-color: var(--glass-border-blue);
     box-shadow: var(--shadow-hover);
     background: var(--glass-1);
   }
   .ai-card:hover::after { opacity: 1; }

   .ai-icon {
     width: 42px; height: 42px;
     border-radius: var(--r-sm);
     background: rgba(59,130,246,0.08);
     border: 1px solid rgba(59,130,246,0.18);
     display: flex; align-items: center; justify-content: center;
     color: var(--blue-400); font-size: 21px;
     margin-bottom: 1rem;
     transition: box-shadow var(--t-fast), background var(--t-fast);
   }
   .ai-card:hover .ai-icon {
     background: rgba(59,130,246,0.14);
     box-shadow: 0 0 22px rgba(59,130,246,0.22);
   }
   .ai-title {
     font-size: 0.975rem; font-weight: 700;
     color: var(--t1); margin-bottom: 0.45rem; letter-spacing: -0.01em;
   }
   .ai-desc { font-size: 0.875rem; color: var(--t3); line-height: 1.72; }

   @media (max-width: 600px) { .ai-grid { grid-template-columns: 1fr; } }

   /* =======================================
      CTA
      ======================================= */
   #cta { z-index: 2; }
   .cta-panel {
     text-align: center;
     padding: clamp(3.25rem, 6vw, 5.5rem) clamp(1.5rem, 5vw, 3rem);
     border-radius: var(--r-xl);
     background: var(--glass-bg);
     backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
     border: 1px solid var(--glass-border);
     box-shadow: var(--shadow-md);
     position: relative; overflow: hidden;
   }
   .cta-panel::before {
     content: '';
     position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
     background: linear-gradient(90deg, transparent, rgba(59,130,246,0.55), transparent);
   }
   .cta-panel::after {
     content: '';
     position: absolute; top: 50%; left: 50%;
     transform: translate(-50%,-50%);
     width: 500px; height: 280px;
     background: radial-gradient(ellipse, rgba(59,130,246,0.08) 0%, transparent 70%);
     pointer-events: none;
   }

   .cta-title {
     font-size: clamp(2rem, 5vw, 3.25rem);
     font-weight: 800; letter-spacing: -0.035em;
     color: var(--t1); line-height: 1.08;
     margin-bottom: 1rem; position: relative; z-index: 1;
   }
   .cta-title em { font-style: normal; color: var(--blue-400); }
   .cta-sub {
     color: var(--t3); font-size: 1rem; line-height: 1.72;
     max-width: 460px; margin: 0 auto 2.25rem;
     position: relative; z-index: 1;
   }
   .cta-btns {
     display: flex; gap: 0.875rem;
     justify-content: center; flex-wrap: wrap;
     position: relative; z-index: 1;
   }
   .cta-note {
     font-size: 0.78rem; color: var(--t4);
     margin-top: 1.25rem; position: relative; z-index: 1;
   }
   .cta-note a { color: var(--t3); text-decoration: underline; text-underline-offset: 3px; }
   .cta-note a:hover { color: var(--blue-400); }

   /* =======================================
      FOOTER
      ======================================= */
   #footer {
     position: relative; z-index: 2;
     border-top: 1px solid var(--glass-border);
     padding: clamp(3rem, 5vw, 4.2rem) 0 1.75rem;
   }
   .footer-grid {
     display: grid;
     grid-template-columns: 2fr 1fr 1fr;
     gap: 2.5rem; margin-bottom: 2.5rem;
   }
   .footer-brand-name {
     font-size: 1.05rem; font-weight: 800;
     letter-spacing: -0.02em; color: var(--t1); margin-bottom: 0.6rem;
   }
   .footer-logo {
     height: 48px; width: auto; object-fit: contain;
     display: block; margin-bottom: 0.5rem; opacity: 0.9;
   }
   .theme-toggle {
     display: flex; align-items: center; justify-content: center;
     width: 32px; height: 32px;
     border-radius: var(--r-full);
     border: 1px solid var(--glass-border);
     background: var(--glass-1);
     color: var(--t3); cursor: pointer;
     transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast), color var(--t-fast);
   }
   .theme-toggle .material-symbols-outlined { font-size: 18px; }
   .theme-toggle:hover {
     background: var(--glass-2);
     border-color: var(--glass-border-blue);
     color: var(--t1); box-shadow: var(--shadow-sm);
     transform: translateY(-1px);
   }
   .footer-tagline-text { font-size: 0.86rem; color: var(--t4); line-height: 1.65; max-width: 240px; }
   .footer-col-title {
     font-size: 0.68rem; font-weight: 700;
     letter-spacing: 0.13em; text-transform: uppercase;
     color: var(--t4); margin-bottom: 0.875rem;
   }
   .footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.48rem; }
   .footer-links a { font-size: 0.86rem; color: var(--t4); transition: color var(--t-fast); }
   .footer-links a:hover { color: var(--blue-400); }
   .footer-bottom {
     border-top: 1px solid var(--glass-border);
     padding-top: 1.5rem;
     display: flex; align-items: center; justify-content: center;
     gap: 1rem; flex-wrap: wrap;
   }
   .footer-copy { font-size: 0.78rem; color: var(--t5); }

   @media (max-width: 768px) {
     .footer-grid { grid-template-columns: 1fr 1fr; }
     .footer-brand { grid-column: 1 / -1; }
   }
   @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

   /* =======================================
      SCROLL REVEAL
      ======================================= */
   [data-reveal] {
     opacity: 0;
     transition: opacity var(--t-slow), transform var(--t-slow);
   }
   [data-reveal],
   [data-reveal="bottom"] { transform: translateY(26px); }
   [data-reveal="left"]   { transform: translateX(-30px); }
   [data-reveal="right"]  { transform: translateX(30px); }
   [data-reveal="scale"]  { transform: scale(0.94); }
   [data-reveal].revealed { opacity: 1; transform: none; }

   [data-delay="80"]  { transition-delay: 0.08s; }
   [data-delay="160"] { transition-delay: 0.16s; }
   [data-delay="240"] { transition-delay: 0.24s; }
   [data-delay="320"] { transition-delay: 0.32s; }
   [data-delay="400"] { transition-delay: 0.40s; }
   [data-delay="480"] { transition-delay: 0.48s; }
   [data-delay="560"] { transition-delay: 0.56s; }

   /* =======================================
      MATERIAL SYMBOLS
      ======================================= */
   .material-symbols-outlined {
     font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
     font-size: inherit; vertical-align: middle;
     user-select: none; line-height: 1;
   }
   .fill .material-symbols-outlined {
     font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
   }