*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      /* Brand palette — derived from OncoLink logo */
      --teal:   #00c8b0;      /* primary — logo teal */
      --teal2:  #00a896;      /* teal dark */
      --indigo: #6b5ce7;      /* secondary — logo DNA icon indigo */
      --blue:   #0094ff;      /* supporting blue */
      --gold:   #f0a500;      /* highlight gold */

      /* Light surface palette */
      --bg:     #f4f9ff;      /* main background — soft blue-white */
      --bg2:    #eaf3ff;      /* alternate section bg */
      --white:  #ffffff;
      --light:  #f8fbff;

      /* Text */
      --text:   #0f2140;      /* primary text — deep navy */
      --text2:  #4a6280;      /* secondary text */
      --gray:   #7a90aa;

      /* Structural */
      --border: #d8e8f5;
      --glass:  rgba(255,255,255,0.85);
      --glow:   0 0 40px rgba(0,200,176,0.22);
      --shadow: 0 4px 24px rgba(15,33,64,0.07);

      /* Footer stays dark */
      --footer-bg: #0a1628;
    }

    html { scroll-behavior: smooth; }
    body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--bg); overflow-x: hidden; }

    /* ──── SCROLLBAR ──── */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--light); }
    ::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 3px; }

    /* ──── PRELOADER ──── */
    #preloader {
      position: fixed; inset: 0; z-index: 9999;
      background: var(--bg); display: flex; align-items: center; justify-content: center;
      transition: opacity .6s ease, visibility .6s ease;
    }
    #preloader.hide { opacity: 0; visibility: hidden; }
    .loader-ring {
      width: 70px; height: 70px; border-radius: 50%;
      border: 4px solid rgba(0,200,176,.2);
      border-top-color: var(--teal);
      animation: spin 1s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    /* ──── CURSOR GLOW ──── */
    .cursor-glow {
      position: fixed; pointer-events: none; z-index: 9998;
      width: 300px; height: 300px;
      background: radial-gradient(circle, rgba(0,200,176,.09) 0%, transparent 70%);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      transition: transform .05s;
    }

    /* ──── PARTICLES ──── */
    #particles-canvas {
      position: fixed; inset: 0; z-index: 0; pointer-events: none;
    }

    /* ──── HEADER ──── */
    header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      padding: 0 40px;
      transition: all .4s ease;
    }
    header.scrolled {
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0,200,176,.18);
      box-shadow: 0 4px 30px rgba(15,33,64,.07);
    }
    .header-inner {
      max-width: 1280px; margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
      height: 80px;
    }
    .logo { display: flex; align-items: center; text-decoration: none; }
    .logo-img { height: 44px; width: auto; object-fit: contain; display: block; }
    .logo-img--footer { height: 36px; }
    nav { display: flex; align-items: center; gap: 36px; }
    nav a {
      text-decoration: none; font-size: 15px; font-weight: 500; color: rgba(15,33,64,.6);
      position: relative; transition: color .3s;
    }
    nav a::after {
      content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px;
      background: var(--teal); transform: scaleX(0); transform-origin: right; transition: transform .3s;
    }
    nav a:hover { color: var(--teal); }
    nav a:hover::after { transform: scaleX(1); transform-origin: left; }
    .btn-nav {
      padding: 10px 28px; border-radius: 50px;
      background: linear-gradient(135deg, var(--teal), var(--blue));
      color: white; font-size: 14px; font-weight: 700;
      text-decoration: none; transition: all .3s;
      box-shadow: 0 4px 20px rgba(0,200,176,.3);
    }
    .btn-nav:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,200,176,.45); }

    /* ──── HERO SLIDER ──── */
    .hero-slider { position: relative; height: 100vh; overflow: hidden; }

    .slide {
      position: absolute; inset: 0;
      opacity: 0; transition: opacity 1.2s ease;
      display: flex; align-items: center;
    }
    .slide.active { opacity: 1; z-index: 2; }
    .slide.prev { opacity: 0; z-index: 1; }

    /* Slide backgrounds — soft light tinted gradients */
    .slide-1 { background: radial-gradient(ellipse at 70% 50%, #c5eef9 0%, #edf6ff 55%, var(--bg) 100%); }
    .slide-2 { background: radial-gradient(ellipse at 30% 50%, #c2f2eb 0%, #ebf7ff 55%, var(--bg) 100%); }
    .slide-3 { background: radial-gradient(ellipse at 60% 40%, #ddd8ff 0%, #eff2ff 55%, var(--bg) 100%); }

    .slide-bg-shape {
      position: absolute; right: 0; top: 0; bottom: 0; width: 55%;
      opacity: .07;
    }

    .slide-content {
      position: relative; z-index: 3;
      max-width: 1360px; margin: 0 auto; padding: 0 360px 0 40px;
      width: 100%;
    }

    .slide-badge {
      display: inline-flex; align-items: center; gap: 8px;
      border: 1px solid rgba(0,200,176,.4); border-radius: 50px;
      padding: 6px 18px; margin-bottom: 28px;
      font-size: 13px; color: var(--teal2); font-weight: 600; letter-spacing: .5px;
      background: rgba(0,200,176,.1);
      opacity: 0; transform: translateY(20px); transition: all .8s ease .2s;
    }
    .slide.active .slide-badge { opacity: 1; transform: translateY(0); }
    .slide-badge::before { content: ''; width: 8px; height: 8px; background: var(--teal); border-radius: 50%; animation: blink 1.5s infinite; }
    @keyframes blink { 0%,100%{opacity:1}50%{opacity:.3} }

    .slide h1 {
      font-size: clamp(40px, 5.5vw, 72px); font-weight: 900;
      color: var(--text); line-height: 1.1; letter-spacing: -1.5px;
      margin-bottom: 24px; max-width: 700px;
      opacity: 0; transform: translateY(40px); transition: all .9s ease .4s;
    }
    .slide.active h1 { opacity: 1; transform: translateY(0); }
    .slide h1 em { color: var(--teal); font-style: normal; }
    .slide h1 strong {
      color: var(--teal);
    }

    .slide p {
      font-size: 18px; color: var(--text2); max-width: 560px;
      line-height: 1.8; margin-bottom: 40px;
      opacity: 0; transform: translateY(30px); transition: all .9s ease .6s;
    }
    .slide.active p { opacity: 1; transform: translateY(0); }

    .slide-ctas {
      display: flex; gap: 16px; flex-wrap: wrap;
      opacity: 0; transform: translateY(20px); transition: all .9s ease .8s;
    }
    .slide.active .slide-ctas { opacity: 1; transform: translateY(0); }

    .btn-primary-glow {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 16px 36px; border-radius: 50px;
      background: linear-gradient(135deg, var(--teal), var(--blue));
      color: white; font-size: 16px; font-weight: 700;
      text-decoration: none; transition: all .3s;
      box-shadow: 0 6px 30px rgba(0,200,176,.35);
    }
    .btn-primary-glow:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,200,176,.55); }
    .btn-primary-glow svg { width: 20px; height: 20px; fill: white; }

    .btn-glass {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 14px 32px; border-radius: 50px;
      background: rgba(15,33,64,.06); border: 1.5px solid rgba(15,33,64,.16);
      color: var(--text); font-size: 16px; font-weight: 600;
      text-decoration: none; transition: all .3s; backdrop-filter: blur(10px);
    }
    .btn-glass:hover { background: rgba(0,200,176,.1); border-color: var(--teal); color: var(--teal2); transform: translateY(-2px); }

    /* Slider 3D floating card */
    .slide-3d-card {
      position: absolute; right: max(40px, calc((100vw - 1360px) / 2 + 40px)); top: 50%; transform: translateY(-50%);
      z-index: 3; perspective: 1000px;
      opacity: 0; transition: opacity 1s ease 1s;
    }
    .slide.active .slide-3d-card { opacity: 1; }
    .card-3d-inner {
      background: rgba(255,255,255,.88); border: 1px solid rgba(0,200,176,.2);
      border-radius: 24px; padding: 36px; width: 320px;
      backdrop-filter: blur(20px);
      transform: rotateY(-8deg) rotateX(5deg);
      animation: float3d 6s ease-in-out infinite;
      box-shadow: 0 40px 80px rgba(15,33,64,.1), inset 0 1px 0 rgba(255,255,255,1);
    }
    @keyframes float3d {
      0%,100% { transform: rotateY(-8deg) rotateX(5deg) translateY(0); }
      50% { transform: rotateY(-4deg) rotateX(8deg) translateY(-12px); }
    }
    .card-3d-header { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
    .card-3d-logo {
      width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
      background: linear-gradient(135deg, var(--teal), var(--blue));
      display: flex; align-items: center; justify-content: center;
    }
    .card-3d-logo svg { width: 22px; height: 22px; fill: white; display: block; }
    .card-3d-logo img { width: 22px; height: 22px; object-fit: contain; display: block; filter: brightness(0) invert(1); }
    .card-3d-header-text { min-width: 0; }
    .card-3d-header h4 { color: var(--text); font-size: 15px; font-weight: 700; line-height: 1.2; }
    .card-3d-header p { color: var(--text2); font-size: 12px; line-height: 1.2; margin-bottom: 0; }
    .card-3d-stat {
      display: flex; align-items: center; justify-content: space-between;
      background: rgba(0,200,176,.07); border-radius: 12px; padding: 14px 16px;
      margin-bottom: 10px; border: 1px solid rgba(0,200,176,.14);
    }
    .card-3d-stat .label { color: var(--text2); font-size: 13px; }
    .card-3d-stat .value { color: var(--teal2); font-size: 18px; font-weight: 800; }
    .progress-bar { background: rgba(0,200,176,.14); border-radius: 50px; height: 6px; margin-top: 16px; overflow: hidden; }
    .progress-fill { height: 100%; border-radius: 50px; background: linear-gradient(90deg, var(--teal), var(--blue)); animation: progress-animate 3s ease infinite; }
    @keyframes progress-animate { 0%{width:30%} 50%{width:85%} 100%{width:30%} }

    /* ── Slide 2 card — biomarker list */
    .card-bio-list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
    .bio-item {
      display: flex; align-items: center; gap: 10px;
      font-size: 13px; color: var(--text2); font-weight: 500;
    }
    .bio-dot {
      width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
    }
    .bio-pos     { background: var(--teal);  box-shadow: 0 0 6px rgba(0,200,176,.55); }
    .bio-neutral { background: var(--gray);  opacity: .6; }

    /* ── Slide 3 card — indigo accent overrides */
    .card-3d-inner.card-3d-indigo { border-color: rgba(107,92,231,.2); }
    .card-3d-logo.card-3d-logo-indigo { background: linear-gradient(135deg, var(--indigo), #a78bfa); }
    .card-3d-stat.card-stat-indigo { background: rgba(107,92,231,.07); border-color: rgba(107,92,231,.14); }
    .value.value-indigo { color: var(--indigo); }

    /* ── Slide 3 card — support checklist */
    .card-support-list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
    .support-item {
      display: flex; align-items: center; gap: 10px;
      font-size: 13px; font-weight: 500; color: var(--text2);
      padding: 7px 10px; border-radius: 8px;
    }
    .support-icon {
      width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
      display: flex; align-items: center; justify-content: center;
      font-size: 10px; font-weight: 800;
    }
    .support-done { color: var(--teal2); }
    .support-done .support-icon {
      background: rgba(0,200,176,.15); color: var(--teal2);
    }
    .support-active {
      color: var(--indigo); background: rgba(107,92,231,.07);
    }
    .support-active .support-icon {
      background: rgba(107,92,231,.2);
      animation: blink 1.5s ease infinite;
    }

    /* Slider navigation */
    .slider-nav {
      position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
      z-index: 10; display: flex; align-items: center; gap: 12px;
    }
    .slider-dot {
      width: 10px; height: 10px; border-radius: 50%;
      background: rgba(15,33,64,.2); cursor: pointer; transition: all .3s;
      border: none;
    }
    .slider-dot.active {
      background: var(--teal); width: 30px; border-radius: 5px;
      box-shadow: 0 0 10px rgba(0,200,176,.4);
    }
    .slider-arrows {
      position: absolute; inset: 0; z-index: 4;
      display: flex; justify-content: space-between; align-items: stretch;
      pointer-events: none;
    }
    .slider-arr {
      width: 120px; border: none; background: transparent;
      cursor: pointer; pointer-events: all;
      display: flex; align-items: center;
      transition: background .4s;
    }
    #sliderPrev { justify-content: flex-start; padding-left: 24px;
      background: linear-gradient(to right, rgba(0,200,176,0), transparent); }
    #sliderNext { justify-content: flex-end; padding-right: 24px;
      background: linear-gradient(to left, rgba(0,200,176,0), transparent); }
    #sliderPrev:hover { background: linear-gradient(to right, rgba(0,200,176,.06), transparent); }
    #sliderNext:hover { background: linear-gradient(to left, rgba(0,200,176,.06), transparent); }
    .slider-arr svg {
      width: 48px; height: 48px; fill: var(--text);
      padding: 12px; border-radius: 50%;
      background: rgba(255,255,255,.88); border: 1px solid rgba(15,33,64,.1);
      box-shadow: 0 4px 20px rgba(15,33,64,.1); backdrop-filter: blur(10px);
      opacity: 0; transition: opacity .3s, transform .3s; transform: scale(0.8);
      flex-shrink: 0;
    }
    .slider-arr:hover svg { opacity: 1; transform: scale(1); }

    /* Scroll indicator */
    .scroll-indicator {
      position: absolute; bottom: 40px; right: 40px; z-index: 10;
      display: flex; flex-direction: column; align-items: center; gap: 8px;
    }
    .scroll-indicator span { color: rgba(15,33,64,.35); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; writing-mode: vertical-rl; }
    .scroll-line { width: 1px; height: 60px; background: rgba(15,33,64,.12); position: relative; overflow: hidden; }
    .scroll-line::after {
      content: ''; position: absolute; top: 0; width: 100%; height: 40%;
      background: linear-gradient(to bottom, var(--teal), transparent);
      animation: scroll-down 2s linear infinite;
    }
    @keyframes scroll-down { 0%{top:-40%} 100%{top:140%} }

    /* ──── STATS BAR ──── */
    .stats-bar {
      background: rgba(0,200,176,.05); border-top: 1px solid rgba(0,200,176,.16);
      border-bottom: 1px solid rgba(0,200,176,.16); position: relative; z-index: 5;
    }
    .stats-bar-inner {
      max-width: 1280px; margin: 0 auto; padding: 0 40px;
      display: grid; grid-template-columns: repeat(4,1fr);
    }
    .stat-item {
      padding: 32px 20px; text-align: center;
      border-right: 1px solid rgba(0,200,176,.16);
      transition: all .3s;
    }
    .stat-item:last-child { border-right: none; }
    .stat-item:hover { background: rgba(0,200,176,.05); }
    .stat-num { font-size: 38px; font-weight: 900; color: var(--teal); line-height: 1; }
    .stat-num span { color: var(--teal); }
    .stat-label { font-size: 13px; color: var(--text2); margin-top: 6px; font-weight: 500; }

    /* ──── SECTION BASE ──── */
    .section { padding: 110px 40px; position: relative; z-index: 5; }
    .container { max-width: 1280px; margin: 0 auto; }
    .section-badge {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 12px; font-weight: 700; color: var(--teal);
      text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
    }
    .section-badge::before, .section-badge::after {
      content: ''; flex: 1; height: 1px; background: var(--teal); width: 20px;
    }
    h2.section-title {
      font-size: clamp(32px, 4vw, 52px); font-weight: 900;
      color: var(--text); line-height: 1.15; letter-spacing: -1px; margin-bottom: 20px;
    }
    h2.section-title em { color: var(--teal); font-style: normal; }
    .section-sub { font-size: 17px; color: var(--text2); line-height: 1.8; max-width: 600px; }
    .section-header { margin-bottom: 70px; }
    .section-header.center { text-align: center; }
    .section-header.center .section-sub { margin: 0 auto; }

    /* Reveal on scroll */
    .reveal { opacity: 0; transform: translateY(50px); transition: all .8s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    .reveal-left { opacity: 0; transform: translateX(-60px); transition: all .8s ease; }
    .reveal-left.visible { opacity: 1; transform: translateX(0); }
    .reveal-right { opacity: 0; transform: translateX(60px); transition: all .8s ease; }
    .reveal-right.visible { opacity: 1; transform: translateX(0); }

    /* ──── ABOUT ──── */
    #about { background: linear-gradient(to bottom, var(--bg), var(--bg2)); padding-bottom: 55px; }
    .about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

    .about-visual { position: relative; }
    .about-orb {
      width: 420px; height: 420px; border-radius: 50%;
      background: radial-gradient(circle at 35% 35%, #b8e8f8 0%, #d4f5ee 70%);
      position: relative; margin: 0 auto;
      box-shadow: 0 0 80px rgba(0,200,176,.2), inset 0 0 60px rgba(0,148,255,.1);
      animation: orb-rotate 20s linear infinite;
    }
    @keyframes orb-rotate {
      0%   { box-shadow: 0 0 80px rgba(0,200,176,.2), inset 0 0 60px rgba(0,148,255,.1); }
      50%  { box-shadow: 0 0 100px rgba(0,200,176,.3), inset 0 0 80px rgba(107,92,231,.15); }
      100% { box-shadow: 0 0 80px rgba(0,200,176,.2), inset 0 0 60px rgba(0,148,255,.1); }
    }
    .orb-ring {
      position: absolute; inset: -20px; border-radius: 50%;
      border: 2px solid rgba(0,200,176,.2);
      animation: ring-spin 12s linear infinite;
    }
    .orb-ring::before {
      content: ''; position: absolute; top: 20%; left: -6px;
      width: 12px; height: 12px; border-radius: 50%; background: var(--teal);
      box-shadow: 0 0 12px var(--teal);
    }
    @keyframes ring-spin { from{transform:rotate(0)} to{transform:rotate(360deg)} }
    .orb-ring-2 {
      position: absolute; inset: -50px; border-radius: 50%;
      border: 1px solid rgba(107,92,231,.12);
      animation: ring-spin 20s linear infinite reverse;
    }
    .orb-ring-2::before {
      content: ''; position: absolute; bottom: 30%; right: -5px;
      width: 10px; height: 10px; border-radius: 50%; background: var(--indigo);
      box-shadow: 0 0 10px var(--indigo);
    }
    .orb-icon {
      position: absolute; top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
    }
    .orb-icon svg { width: 90px; height: 90px; fill: rgba(15,33,64,.1); }
    .orb-icon p { color: rgba(15,33,64,.35); font-size: 13px; margin-top: 10px; letter-spacing: 1px; }

    /* Floating badges */
    .float-badge {
      position: absolute; background: rgba(255,255,255,.92);
      border: 1px solid rgba(0,200,176,.25); border-radius: 14px;
      padding: 14px 20px; backdrop-filter: blur(10px);
      box-shadow: 0 20px 40px rgba(15,33,64,.09);
    }
    .fb1 { top: 30px; left: -20px; animation: float 4s ease-in-out infinite; }
    .fb2 { bottom: 40px; right: -20px; animation: float 4s ease-in-out infinite .5s reverse; }
    @keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
    .float-badge .fb-num { font-size: 22px; font-weight: 800; color: var(--teal); }
    .float-badge .fb-label { font-size: 11px; color: var(--text2); margin-top: 2px; }

    .about-text .section-sub { margin-bottom: 28px; }
    .feature-list { list-style: none; margin: 32px 0; }
    .feature-list li {
      display: flex; align-items: center; gap: 14px;
      font-size: 15px; color: var(--text2); padding: 12px 0;
      border-bottom: 1px solid rgba(15,33,64,.07);
    }
    .feature-list li:last-child { border-bottom: none; }
    .feat-check {
      width: 28px; height: 28px; border-radius: 8px;
      background: rgba(0,200,176,.12); border: 1px solid rgba(0,200,176,.3);
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
      color: var(--teal2); font-size: 14px; font-weight: 800;
    }

    /* ──── SERVICES 3D CARDS ──── */
    #services { background: var(--bg2); padding-top: 55px; }
    .services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

    .svc-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 24px; padding: 40px 32px;
      position: relative; overflow: hidden;
      transition: all .4s ease;
      transform-style: preserve-3d;
      cursor: pointer;
      box-shadow: var(--shadow);
    }
    .svc-card::before {
      content: ''; position: absolute; inset: 0; border-radius: 24px;
      background: linear-gradient(135deg, rgba(0,200,176,.07) 0%, transparent 60%);
      opacity: 0; transition: opacity .4s;
    }
    .svc-card:hover {
      transform: translateY(-12px) rotateX(4deg);
      border-color: rgba(0,200,176,.3);
      box-shadow: 0 30px 60px rgba(15,33,64,.1), 0 0 0 1px rgba(0,200,176,.1), var(--glow);
    }
    .svc-card:hover::before { opacity: 1; }

    .svc-icon-wrap {
      width: 70px; height: 70px; border-radius: 18px; margin-bottom: 28px;
      position: relative; display: flex; align-items: center; justify-content: center;
    }
    .svc-card:nth-child(1) .svc-icon-wrap { background: linear-gradient(135deg, #00c8b0, #0094ff); }
    .svc-card:nth-child(2) .svc-icon-wrap { background: linear-gradient(135deg, #ff6b6b, #f0a500); }
    .svc-card:nth-child(3) .svc-icon-wrap { background: linear-gradient(135deg, #a855f7, #ec4899); }
    .svc-icon-wrap svg { width: 34px; height: 34px; fill: white; }
    .svc-icon-wrap::after {
      content: ''; position: absolute; inset: -4px; border-radius: 22px;
      border: 1px solid rgba(15,33,64,.06);
    }

    .svc-card h3 { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 14px; }
    .svc-card p { font-size: 15px; color: var(--text2); line-height: 1.8; margin-bottom: 24px; }

    .svc-features { list-style: none; }
    .svc-features li {
      display: flex; align-items: center; gap: 10px;
      font-size: 14px; color: var(--text2); padding: 8px 0;
      border-top: 1px solid rgba(15,33,64,.06);
    }
    .svc-features li:first-child { border-top: none; }
    .svc-features li::before { content: '▸'; color: var(--teal); font-size: 12px; }

    .svc-card-glow {
      position: absolute; bottom: -40px; right: -40px;
      width: 120px; height: 120px; border-radius: 50%;
      opacity: .12; filter: blur(30px);
    }
    .svc-card:nth-child(1) .svc-card-glow { background: var(--teal); }
    .svc-card:nth-child(2) .svc-card-glow { background: #f0a500; }
    .svc-card:nth-child(3) .svc-card-glow { background: #a855f7; }

    /* ──── WHY US ──── */
    #why { background: var(--bg); }
    .why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
    .why-card {
      padding: 32px 24px; border-radius: 20px; text-align: center;
      background: var(--white); border: 1px solid var(--border);
      transition: all .4s; position: relative; overflow: hidden;
      box-shadow: var(--shadow);
    }
    .why-card::before {
      content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
      width: 60%; height: 2px;
      background: linear-gradient(90deg, transparent, var(--teal), transparent);
      opacity: 0; transition: opacity .4s;
    }
    .why-card:hover { transform: translateY(-8px); border-color: rgba(0,200,176,.25); box-shadow: 0 20px 40px rgba(15,33,64,.09); }
    .why-card:hover::before { opacity: 1; }
    .why-icon {
      width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 20px;
      background: rgba(0,200,176,.1); border: 1px solid rgba(0,200,176,.2);
      display: flex; align-items: center; justify-content: center;
      transition: all .4s;
    }
    .why-card:hover .why-icon { background: var(--teal); border-color: var(--teal); }
    .why-icon svg { width: 30px; height: 30px; fill: var(--teal); transition: fill .4s; }
    .why-card:hover .why-icon svg { fill: white; }
    .why-card h4 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
    .why-card p { font-size: 14px; color: var(--text2); line-height: 1.7; }

    /* ──── PROCESS TIMELINE ──── */
    #process { background: var(--bg2); }
    .process-timeline { display: grid; grid-template-columns: repeat(4,1fr); position: relative; gap: 0; }
    .process-timeline::before {
      content: ''; position: absolute;
      top: 44px; left: calc(12.5% + 22px); right: calc(12.5% + 22px);
      height: 2px; background: linear-gradient(90deg, var(--teal), var(--blue));
      z-index: 0;
    }
    .process-step { text-align: center; padding: 0 20px; position: relative; z-index: 1; }
    .step-circle {
      width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 24px;
      background: var(--teal); border: 2px solid var(--teal);
      display: flex; align-items: center; justify-content: center;
      font-size: 28px; font-weight: 900; color: white;
      position: relative; transition: all .4s;
      box-shadow: 0 0 30px rgba(0,200,176,.15);
    }
    .step-circle::before {
      content: ''; position: absolute; inset: -8px; border-radius: 50%;
      border: 1px solid rgba(0,200,176,.2);
      animation: pulse-ring 2s ease-in-out infinite;
    }
    @keyframes pulse-ring {
      0%,100%{transform:scale(1);opacity:.5}
      50%{transform:scale(1.1);opacity:0}
    }
    .process-step:hover .step-circle { box-shadow: 0 0 40px rgba(0,200,176,.5); transform: scale(1.08); }
    .process-step h4 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
    .process-step p { font-size: 14px; color: var(--text2); line-height: 1.7; }

    /* ──── TESTIMONIAL ──── */
    #testimonials { background: var(--bg); }
    .testi-slider { overflow: hidden; position: relative; }
    .testi-track { display: flex; transition: transform .6s ease; }
    .testi-card {
      min-width: 100%; padding: 60px;
      background: var(--white); border: 1px solid var(--border);
      border-radius: 28px;
      box-shadow: var(--shadow);
    }
    .testi-quote {
      font-size: 20px; color: var(--text); line-height: 1.8;
      font-style: italic; margin-bottom: 36px; position: relative; padding-left: 30px;
    }
    .testi-quote::before {
      content: '"'; position: absolute; left: 0; top: -10px;
      font-size: 60px; color: var(--teal); line-height: 1; font-family: serif;
    }
    .testi-author { display: flex; align-items: center; gap: 16px; }
    .testi-avatar {
      width: 56px; height: 56px; border-radius: 50%;
      background: linear-gradient(135deg, var(--teal), var(--blue));
      display: flex; align-items: center; justify-content: center;
      font-size: 22px; font-weight: 800; color: white;
    }
    .testi-author h5 { color: var(--text); font-size: 16px; font-weight: 700; }
    .testi-author p { color: var(--text2); font-size: 13px; }
    .testi-stars { color: var(--gold); margin-top: 4px; letter-spacing: 2px; font-size: 13px; }
    .testi-nav { display: flex; gap: 10px; margin-top: 32px; justify-content: center; }
    .testi-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(15,33,64,.15); cursor: pointer; border: none; transition: all .3s; }
    .testi-dot.active { background: var(--teal); width: 24px; border-radius: 4px; }

    /* ──── CONTACT ──── */
    #contact { background: var(--bg2); }
    .contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
    .contact-info .section-sub { margin-bottom: 40px; }
    .contact-info h3 { font-size: 24px; font-weight: 800; color: var(--text); margin-bottom: 12px; }
    .contact-info > p { color: var(--text2); font-size: 16px; line-height: 1.8; margin-bottom: 40px; }
    .c-item {
      display: flex; align-items: flex-start; gap: 18px; margin-bottom: 28px;
    }
    .c-icon-box {
      width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
      background: rgba(0,200,176,.1); border: 1px solid rgba(0,200,176,.2);
      display: flex; align-items: center; justify-content: center; transition: all .3s;
    }
    .c-item:hover .c-icon-box { background: var(--teal); border-color: var(--teal); }
    .c-icon-box svg { width: 24px; height: 24px; fill: var(--teal); transition: fill .3s; }
    .c-item:hover .c-icon-box svg { fill: white; }
    .c-item-text h4 { color: var(--gray); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
    .c-item-text a, .c-item-text p { color: var(--text); font-size: 16px; font-weight: 500; text-decoration: none; transition: color .2s; }
    .c-item-text a:hover { color: var(--teal); }

    /* Form */
    .contact-form {
      background: var(--white); border: 1px solid var(--border);
      border-radius: 28px; padding: 48px;
      box-shadow: var(--shadow);
    }
    .contact-form h3 { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 32px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
    .form-group { margin-bottom: 16px; }
    label { display: block; font-size: 13px; font-weight: 600; color: var(--text2); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .5px; }
    input, select, textarea {
      width: 100%; padding: 14px 18px;
      background: var(--light); border: 1px solid var(--border);
      border-radius: 12px; font-size: 15px; color: var(--text); font-family: inherit;
      outline: none; transition: all .3s;
    }
    input::placeholder, textarea::placeholder { color: var(--gray); opacity: .7; }
    input:focus, select:focus, textarea:focus {
      border-color: var(--teal); background: rgba(0,200,176,.04);
      box-shadow: 0 0 0 3px rgba(0,200,176,.1);
    }
    select { color: var(--text2); }
    select option { background: var(--white); color: var(--text); }
    textarea { height: 130px; resize: vertical; }
    .btn-submit {
      width: 100%; padding: 16px; border-radius: 12px; border: none; cursor: pointer;
      background: linear-gradient(135deg, var(--teal), var(--blue));
      color: white; font-size: 16px; font-weight: 700; font-family: inherit;
      transition: all .3s; box-shadow: 0 8px 30px rgba(0,200,176,.3);
    }
    .btn-submit:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(0,200,176,.45); }

    /* ──── FOOTER (stays dark) ──── */
    footer { background: var(--footer-bg); padding: 70px 40px 0; position: relative; z-index: 5; }
    .footer-grid {
      max-width: 1280px; margin: 0 auto;
      display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 50px;
      padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.07);
    }
    .footer-brand > p { color: rgba(255,255,255,.4); font-size: 14px; line-height: 1.8; margin-top: 18px; max-width: 300px; }
    .footer-social { display: flex; gap: 12px; margin-top: 24px; }
    .social-btn {
      width: 40px; height: 40px; border-radius: 10px;
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
      display: flex; align-items: center; justify-content: center;
      transition: all .3s; text-decoration: none;
    }
    .social-btn:hover { background: var(--teal); border-color: var(--teal); transform: translateY(-3px); }
    .social-btn svg { width: 18px; height: 18px; fill: rgba(255,255,255,.55); transition: fill .3s; }
    .social-btn:hover svg { fill: white; }
    .footer-col h5 { color: white; font-size: 15px; font-weight: 700; margin-bottom: 20px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a {
      color: rgba(255,255,255,.4); text-decoration: none; font-size: 14px;
      transition: color .3s, padding-left .3s; display: inline-block; position: relative;
    }
    .footer-col ul li a::before { content: '→'; font-size: 12px; opacity: 0; transition: all .3s; position: absolute; left: -16px; }
    .footer-col ul li a:hover { color: var(--teal); padding-left: 12px; }
    .footer-col ul li a:hover::before { opacity: 1; left: -4px; }
    .footer-bottom {
      max-width: 1280px; margin: 0 auto;
      display: flex; justify-content: space-between; align-items: center;
      padding: 24px 0; flex-wrap: wrap; gap: 12px;
    }
    .footer-bottom p { color: rgba(255,255,255,.25); font-size: 13px; }
    .footer-bottom a { color: rgba(255,255,255,.35); text-decoration: none; font-size: 13px; margin-left: 20px; transition: color .2s; }
    .footer-bottom a:hover { color: var(--teal); }

    /* ──── FLOATING BACK TO TOP ──── */
    #back-top {
      position: fixed; bottom: 30px; right: 30px; z-index: 99;
      width: 48px; height: 48px; border-radius: 12px; border: none; cursor: pointer;
      background: linear-gradient(135deg, var(--teal), var(--blue));
      display: flex; align-items: center; justify-content: center;
      opacity: 0; transform: translateY(20px); transition: all .3s;
      box-shadow: 0 8px 20px rgba(0,200,176,.35);
    }
    #back-top.show { opacity: 1; transform: translateY(0); }
    #back-top:hover { transform: translateY(-4px); }
    #back-top svg { width: 22px; height: 22px; fill: white; }

    /* ──── RESPONSIVE ──── */
    @media(max-width:1100px) {
      .services-grid { grid-template-columns: 1fr 1fr; }
      .why-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media(max-width:1280px) {
      .slide-3d-card { display: none; }
      .slide-content { padding-right: 40px; }
    }
    @media(max-width:768px) {
      header { padding: 0 20px; }
      nav { display: none; }
      .section { padding: 80px 20px; }
      .hero-slider { height: auto; min-height: 100vh; }
      .slide-content { padding: 0 20px; padding-top: 100px; padding-bottom: 60px; }
      .about-wrap { grid-template-columns: 1fr; }
      .about-orb { width: 300px; height: 300px; }
      .services-grid { grid-template-columns: 1fr; }
      .why-grid { grid-template-columns: 1fr 1fr; }
      .process-timeline { grid-template-columns: 1fr 1fr; }
      .process-timeline::before { display: none; }
      .contact-wrap { grid-template-columns: 1fr; }
      .contact-form { padding: 28px; }
      .footer-grid { grid-template-columns: 1fr; }
      .stats-bar-inner { grid-template-columns: 1fr 1fr; }
      .stat-item:nth-child(2) { border-right: none; }
      .testi-card { padding: 30px; }
    }