:root {
    --blue: #2563EB;
    --blue-600: #1D4ED8;
    --navy: #0D1B2A;
    --navy-2: #0A1422;
    --navy-3: #111E33;
    --cyan: #06B6D4;
    --violet: #7C3AED;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-700: #334155;
    --gray-900: #0F172A;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.06);
    --shadow: 0 4px 12px rgba(15,23,42,0.05), 0 12px 32px -12px rgba(15,23,42,0.12);
    --shadow-lg: 0 10px 40px -10px rgba(37,99,235,0.25), 0 20px 60px -20px rgba(15,23,42,0.18);
    --shadow-glow: 0 0 80px -20px rgba(6,182,212,0.4), 0 0 120px -40px rgba(37,99,235,0.5);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    color: var(--gray-900);
    background: #ffffff;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }

  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 28px;
  }

  /* ---------- NAV ---------- */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
  }
  .nav.scrolled {
    background: rgba(13, 27, 42, 0.85);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom-color: rgba(255,255,255,0.06);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 104px;
    padding: 12px 0;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    height: 72px;
    transition: transform 0.25s ease;
  }
  .nav-logo:hover { transform: translateY(-1px); }
  .nav-logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(37,99,235,0.25));
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
  }
  .nav-links a {
    display: inline-block;
    padding: 8px 16px;
    color: rgba(255,255,255,0.78);
    font-size: 14.5px;
    font-weight: 500;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
  }
  .nav-links a:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
  }
  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
    color: #fff;
    font-size: 14.5px;
    font-weight: 600;
    border-radius: 10px;
    box-shadow: 0 4px 16px -4px rgba(37,99,235,0.55);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px -4px rgba(37,99,235,0.7);
  }
  .nav-burger {
    display: none;
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    border-radius: 8px;
    color: #fff;
  }
  .nav-burger:hover { background: rgba(255,255,255,0.06); }

  /* ---------- HERO ---------- */
  .hero {
    position: relative;
    min-height: 100vh;
    background: var(--navy);
    color: #fff;
    overflow: hidden;
    padding: 140px 0 100px;
    display: flex;
    align-items: center;
  }
  .hero-bg {
    position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 60% 50% at 20% 20%, rgba(37,99,235,0.35), transparent 60%),
      radial-gradient(ellipse 50% 50% at 85% 60%, rgba(6,182,212,0.28), transparent 60%),
      radial-gradient(ellipse 40% 40% at 50% 100%, rgba(124,58,237,0.22), transparent 70%);
    pointer-events: none;
  }
  .hero-grid {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
    pointer-events: none;
  }
  .hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    pointer-events: none;
    animation: float 14s ease-in-out infinite;
  }
  .hero-orb.a {
    width: 380px; height: 380px;
    top: 10%; right: -80px;
    background: radial-gradient(circle, var(--cyan), transparent 70%);
  }
  .hero-orb.b {
    width: 320px; height: 320px;
    bottom: 5%; left: -60px;
    background: radial-gradient(circle, var(--blue), transparent 70%);
    animation-delay: -5s;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-30px) translateX(20px); }
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 6px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    border-radius: 100px;
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
  }
  .hero-eyebrow .pill {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  .hero h1 {
    font-size: clamp(40px, 5.6vw, 68px);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 24px;
    text-wrap: balance;
  }
  .hero h1 .grad {
    background: linear-gradient(135deg, #60A5FA 0%, #06B6D4 50%, #A78BFA 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero p.lead {
    font-size: 19px;
    line-height: 1.6;
    color: rgba(255,255,255,0.72);
    max-width: 560px;
    margin-bottom: 36px;
    text-wrap: pretty;
  }
  .hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 56px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 26px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
    white-space: nowrap;
  }
  .btn-primary {
    background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
    color: #fff;
    box-shadow: 0 8px 24px -8px rgba(37,99,235,0.6), inset 0 1px 0 rgba(255,255,255,0.2);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px -8px rgba(37,99,235,0.8), inset 0 1px 0 rgba(255,255,255,0.3);
  }
  .btn-ghost {
    background: rgba(255,255,255,0.04);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.14);
    backdrop-filter: blur(8px);
  }
  .btn-ghost:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.24);
    transform: translateY(-2px);
  }
  .btn .arrow { transition: transform 0.2s; }
  .btn:hover .arrow { transform: translateX(3px); }

  .hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
  }
  /* Feature trio (AI-Native / Cloud-Scale / End-to-End) — upgraded */
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 640px;
  }
  .hero-stat {
    position: relative;
    padding: 18px 18px 18px 18px;
    background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.015) 100%);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    overflow: hidden;
  }
  .hero-stat::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(96,165,250,0.6), rgba(103,232,249,0.6), transparent);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .hero-stat:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.18);
    box-shadow: 0 18px 40px -16px rgba(6,182,212,0.35), 0 8px 24px -12px rgba(37,99,235,0.4);
    background: linear-gradient(180deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.025) 100%);
  }
  .hero-stat:hover::before { opacity: 1; }
  .hero-stat .ic {
    width: 36px; height: 36px;
    border-radius: 10px;
    display: grid; place-items: center;
    color: #fff;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    box-shadow: 0 6px 16px -6px rgba(37,99,235,0.7), inset 0 1px 0 rgba(255,255,255,0.25);
  }
  .hero-stat:nth-child(2) .ic { background: linear-gradient(135deg, var(--cyan), #10b981); box-shadow: 0 6px 16px -6px rgba(6,182,212,0.7), inset 0 1px 0 rgba(255,255,255,0.25); }
  .hero-stat:nth-child(3) .ic { background: linear-gradient(135deg, var(--violet), var(--blue)); box-shadow: 0 6px 16px -6px rgba(124,58,237,0.6), inset 0 1px 0 rgba(255,255,255,0.25); }
  .hero-stat .v {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.01em;
  }
  .hero-stat .l {
    font-size: 12.5px;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
    line-height: 1.45;
  }

  /* hero visual */
  .hero-visual {
    position: relative;
    height: 480px;
  }
  .hv-card {
    position: absolute;
    background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    padding: 18px;
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.5);
    transition: transform 0.5s ease;
  }
  .hv-card .row {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 10px;
  }
  .hv-card .ic {
    width: 32px; height: 32px;
    border-radius: 8px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff;
    flex-shrink: 0;
  }
  .hv-card .t1 {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
  }
  .hv-card .t2 {
    font-size: 11px;
    color: rgba(255,255,255,0.55);
  }
  .hv-card .bar {
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 100px;
    overflow: hidden;
    margin-top: 10px;
  }
  .hv-card .bar > i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    border-radius: 100px;
  }
  .hv-1 {
    top: 20px; left: 30px;
    width: 270px;
    transform: rotate(-3deg);
    animation: floatA 8s ease-in-out infinite;
  }
  .hv-2 {
    top: 140px; right: 0;
    width: 260px;
    transform: rotate(2deg);
    animation: floatB 9s ease-in-out infinite;
  }
  .hv-3 {
    bottom: 30px; left: 80px;
    width: 290px;
    transform: rotate(-2deg);
    animation: floatA 10s ease-in-out infinite;
    animation-delay: -2s;
  }
  @keyframes floatA {
    0%, 100% { transform: rotate(-3deg) translateY(0); }
    50% { transform: rotate(-3deg) translateY(-12px); }
  }
  @keyframes floatB {
    0%, 100% { transform: rotate(2deg) translateY(0); }
    50% { transform: rotate(2deg) translateY(14px); }
  }
  .hv-orb-center {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6,182,212,0.6), transparent 60%);
    filter: blur(40px);
    z-index: -1;
  }

  /* sparkle */
  .spark { position: absolute; width: 4px; height: 4px; background: #fff; border-radius: 50%; opacity: 0.8; }
  .spark.s1 { top: 15%; left: 12%; animation: twinkle 2.5s infinite; }
  .spark.s2 { top: 35%; right: 8%; animation: twinkle 3s infinite; animation-delay: -1s; }
  .spark.s3 { bottom: 28%; left: 60%; animation: twinkle 2.8s infinite; animation-delay: -1.5s; }
  .spark.s4 { top: 60%; left: 25%; animation: twinkle 3.2s infinite; animation-delay: -0.5s; }
  @keyframes twinkle {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
  }

  /* ---------- SECTIONS ---------- */
  section { padding: 120px 0; position: relative; }
  .section-eyebrow {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(37,99,235,0.08);
    color: var(--blue);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 100px;
    margin-bottom: 20px;
  }
  .section-title {
    font-size: clamp(34px, 4vw, 50px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--navy);
    margin-bottom: 20px;
    text-wrap: balance;
  }
  .section-sub {
    font-size: 18px;
    color: var(--gray-500);
    line-height: 1.6;
    max-width: 640px;
    text-wrap: pretty;
  }
  .section-head {
    text-align: center;
    margin-bottom: 64px;
  }
  .section-head .section-sub { margin: 0 auto; }

  /* ---------- WHO WE ARE ---------- */
  .who { background: var(--gray-50); }
  .who-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }
  .who-text p {
    color: var(--gray-700);
    font-size: 16.5px;
    line-height: 1.75;
    margin-bottom: 18px;
  }
  .who-text p:first-of-type {
    font-size: 18px;
    color: var(--navy);
    font-weight: 500;
  }
  .who-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
  }
  .who-image img {
    width: 100%; height: 100%;
    object-fit: cover;
  }
  .who-image::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(37,99,235,0.05), transparent 50%, rgba(6,182,212,0.08));
    pointer-events: none;
  }
  .who-badge {
    position: absolute;
    bottom: 24px; left: 24px;
    padding: 14px 18px;
    background: rgba(13,27,42,0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    color: #fff;
  }
  .who-badge .b1 {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 4px;
  }
  .who-badge .b2 {
    font-size: 16px;
    font-weight: 600;
  }
  .who-pills {
    display: flex; flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
  }
  .who-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--gray-700);
  }
  .who-pill .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--blue);
  }
  .who-pill:nth-child(2) .dot { background: var(--cyan); }
  .who-pill:nth-child(3) .dot { background: var(--violet); }
  .who-pill:nth-child(4) .dot { background: #10b981; }

  /* ---------- CAPABILITIES ---------- */
  .caps-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
  }
  .cap-card {
    grid-column: span 2;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
  }
  .cap-card:nth-child(4) { grid-column: 2 / span 2; }
  .cap-card:nth-child(5) { grid-column: span 2; }
  .cap-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }
  .cap-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }
  .cap-card:hover::before { transform: scaleX(1); }
  .cap-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: grid; place-items: center;
    margin-bottom: 22px;
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
    color: var(--blue);
    transition: transform 0.3s;
  }
  .cap-card:hover .cap-icon { transform: scale(1.08) rotate(-4deg); }
  .cap-card:nth-child(2) .cap-icon { background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(37,99,235,0.1)); color: var(--violet); }
  .cap-card:nth-child(3) .cap-icon { background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(16,185,129,0.1)); color: var(--cyan); }
  .cap-card:nth-child(4) .cap-icon { background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(124,58,237,0.1)); color: var(--blue); }
  .cap-card:nth-child(5) .cap-icon { background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(37,99,235,0.1)); color: var(--cyan); }
  .cap-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
  }
  .cap-card p {
    font-size: 15px;
    line-height: 1.65;
    color: var(--gray-500);
  }
  .cap-num {
    position: absolute;
    top: 24px; right: 28px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--gray-300);
    font-weight: 500;
  }

  /* ---------- SOLUTIONS ---------- */
  .solutions {
    background: var(--navy);
    color: #fff;
    overflow: hidden;
  }
  .solutions::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 50% 40% at 80% 10%, rgba(6,182,212,0.18), transparent 60%),
      radial-gradient(ellipse 60% 50% at 10% 90%, rgba(37,99,235,0.18), transparent 60%);
    pointer-events: none;
  }
  .solutions .section-title { color: #fff; }
  .solutions .section-sub { color: rgba(255,255,255,0.65); }
  .solutions .section-eyebrow {
    background: rgba(6,182,212,0.12);
    color: #67E8F9;
  }
  .sol-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .sol-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.3s, border-color 0.3s, background 0.3s;
    position: relative;
    overflow: hidden;
  }
  .sol-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.18);
    background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  }
  .sol-image {
    aspect-ratio: 16 / 10;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 24px;
    background: #fff;
    border: 1px solid rgba(255,255,255,0.08);
    position: relative;
  }
  .sol-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: top left;
    transition: transform 0.5s ease;
  }
  .sol-card:hover .sol-image img { transform: scale(1.04); }
  .sol-tag {
    position: absolute;
    top: 14px; right: 14px;
    padding: 5px 12px;
    background: rgba(13,27,42,0.85);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.1);
  }
  .sol-tag.ai { background: linear-gradient(135deg, var(--blue), var(--cyan)); border: none; }
  .sol-tag.saas { background: linear-gradient(135deg, var(--cyan), #10b981); border: none; }
  .sol-tag.crm { background: linear-gradient(135deg, var(--violet), var(--blue)); border: none; }
  .sol-tag.auto { background: linear-gradient(135deg, var(--blue), var(--violet)); border: none; }
  .sol-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
  }
  .sol-card p {
    color: rgba(255,255,255,0.65);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 18px;
  }
  .sol-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #67E8F9;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.2s;
  }
  .sol-card:hover .sol-link { gap: 12px; }

  /* ---------- WHY ---------- */
  .why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .why-card {
    padding: 32px 28px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    position: relative;
  }
  .why-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    box-shadow: var(--shadow);
  }
  .why-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff;
    margin-bottom: 18px;
  }
  .why-card:nth-child(2) .why-icon { background: linear-gradient(135deg, var(--cyan), #10b981); }
  .why-card:nth-child(3) .why-icon { background: linear-gradient(135deg, var(--violet), var(--blue)); }
  .why-card:nth-child(4) .why-icon { background: linear-gradient(135deg, var(--navy), var(--blue)); }
  .why-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
  }
  .why-card p {
    font-size: 14.5px;
    color: var(--gray-500);
    line-height: 1.6;
  }

  /* ---------- CONTACT ---------- */
  .contact {
    background: var(--gray-50);
    position: relative;
  }
  .contact-card {
    position: relative;
    background: var(--navy);
    border-radius: 28px;
    padding: 64px 56px;
    overflow: hidden;
    color: #fff;
    margin-bottom: 56px;
    box-shadow: 0 30px 80px -30px rgba(13,27,42,0.4);
  }
  .contact-card-inner {
    text-align: center;
    position: relative;
    z-index: 1;
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: stretch;
  }
  .contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .contact-info h3 {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 8px;
    text-wrap: balance;
  }
  .contact-info > p {
    color: var(--gray-500);
    font-size: 16px;
    line-height: 1.65;
    margin-bottom: 16px;
    max-width: 420px;
  }
  .contact-row {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(15,23,42,0.03);
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  }
  .contact-row:hover {
    transform: translateY(-2px);
    border-color: rgba(37,99,235,0.3);
    box-shadow: 0 12px 28px -12px rgba(37,99,235,0.25);
  }
  .contact-row .ic {
    flex-shrink: 0;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff;
    box-shadow: 0 6px 16px -6px rgba(37,99,235,0.5);
  }
  .contact-row .lbl {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .contact-row .val {
    font-size: 15px;
    color: var(--navy);
    font-weight: 600;
    margin-top: 2px;
    line-height: 1.45;
  }
  .contact-form {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 20px 50px -20px rgba(15,23,42,0.12), 0 6px 18px -8px rgba(15,23,42,0.06);
    position: relative;
    overflow: hidden;
  }
  .contact-form::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--cyan), var(--violet));
  }
  .contact-form h4 {
    font-size: 19px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
  }
  .contact-form .sub {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 22px;
  }
  .field { margin-bottom: 16px; }
  .field label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 7px;
    letter-spacing: 0.01em;
  }
  .field input, .field textarea {
    width: 100%;
    padding: 13px 14px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-family: inherit;
    font-size: 14.5px;
    color: var(--navy);
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    outline: none;
  }
  .field textarea { resize: vertical; min-height: 110px; line-height: 1.55; }
  .field input:focus, .field textarea:focus {
    border-color: var(--blue);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37,99,235,0.12);
  }
  .form-submit {
    width: 100%;
    padding: 14px 20px;
    margin-top: 4px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #fff;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 8px 20px -6px rgba(37,99,235,0.5), inset 0 1px 0 rgba(255,255,255,0.25);
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    position: relative;
  }
  .form-submit .btn-spinner {
    display: none;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
  }
  .form-submit.loading { pointer-events: none; opacity: 0.85; }
  .form-submit.loading .btn-spinner { display: inline-block; }
  .form-submit.loading .btn-icon { display: none; }
  @keyframes spin { to { transform: rotate(360deg); } }
  .form-submit:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -8px rgba(37,99,235,0.65), inset 0 1px 0 rgba(255,255,255,0.3); }

  /* toast */
  .toast {
    position: fixed;
    bottom: 32px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--navy);
    color: #fff;
    padding: 16px 22px;
    border-radius: 14px;
    box-shadow: 0 20px 50px -10px rgba(13,27,42,0.5);
    font-size: 14.5px;
    font-weight: 500;
    display: flex; align-items: center; gap: 12px;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    border: 1px solid rgba(255,255,255,0.08);
  }
  .toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  .toast .ic {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--cyan), #10b981);
    color: #fff;
  }
  .contact-card::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 60% 80% at 20% 0%, rgba(37,99,235,0.4), transparent 60%),
      radial-gradient(ellipse 60% 80% at 90% 100%, rgba(6,182,212,0.35), transparent 60%);
  }
  .contact-card::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 30%, transparent 80%);
  }
  .contact-card > * { position: relative; z-index: 1; }
  .contact-card h2 {
    font-size: clamp(32px, 4.4vw, 52px);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 18px;
    text-wrap: balance;
  }
  .contact-card h2 .grad {
    background: linear-gradient(135deg, #93C5FD, #67E8F9);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .contact-card p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 580px;
    margin: 0 auto 36px;
    line-height: 1.6;
    text-wrap: pretty;
  }

  /* ---------- FOOTER ---------- */
  footer {
    background: var(--navy-2);
    color: rgba(255,255,255,0.6);
    padding: 72px 0 32px;
    border-top: 1px solid rgba(255,255,255,0.06);
    position: relative;
    overflow: hidden;
  }
  footer::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37,99,235,0.4), rgba(6,182,212,0.4), transparent);
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .footer-logo { display: inline-block; margin-bottom: 18px; }
  .footer-logo img { height: 68px; width: auto; filter: drop-shadow(0 4px 12px rgba(37,99,235,0.25)); }
  .footer-about p {
    font-size: 14.5px;
    line-height: 1.65;
    color: rgba(255,255,255,0.55);
    max-width: 340px;
    margin-bottom: 22px;
  }
  .footer-social { display: flex; gap: 10px; }
  .footer-social a {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.2s;
  }
  .footer-social a:hover {
    color: #fff;
    background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(6,182,212,0.2));
    border-color: rgba(255,255,255,0.18);
    transform: translateY(-2px);
  }
  .footer-col { display: flex; flex-direction: column; gap: 10px; }
  .footer-h {
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .footer-col a, .footer-addr {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    transition: color 0.2s;
    line-height: 1.55;
  }
  .footer-col a:hover { color: #fff; }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 32px;
  }
  .footer-tag {
    color: rgba(255,255,255,0.6);
    font-weight: 500;
    font-size: 13.5px;
  }
  .footer-tag .dotsep { color: var(--cyan); margin: 0 6px; }
  .footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }

  /* mobile menu */
  .mobile-panel {
    position: fixed;
    top: 104px; left: 0; right: 0;
    background: rgba(13,27,42,0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 20px 28px 28px;
    display: none;
    flex-direction: column;
    gap: 4px;
    z-index: 99;
  }
  .mobile-panel.open { display: flex; }
  .mobile-panel a {
    padding: 12px 14px;
    color: rgba(255,255,255,0.85);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
  }
  .mobile-panel a:hover { background: rgba(255,255,255,0.06); }
  .mobile-panel .nav-cta { margin-top: 8px; justify-content: center; }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 980px) {
    section { padding: 88px 0; }
    .nav-links, .nav-cta-wrap { display: none; }
    .nav-burger { display: inline-flex; }
    .nav-inner { height: 84px; padding: 10px 0; }
    .nav-logo { height: 56px; }
    .hero { padding: 120px 0 80px; min-height: auto; }
    .hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { height: 380px; max-width: 460px; margin: 0 auto; }
    .who-grid { grid-template-columns: 1fr; gap: 48px; }
    .caps-grid { grid-template-columns: repeat(2, 1fr); }
    .cap-card { grid-column: span 1 !important; }
    .sol-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-card { padding: 56px 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
    .footer-about { grid-column: 1 / -1; }
    .hero-stats { grid-template-columns: 1fr; max-width: 420px; }
  }
  @media (max-width: 560px) {
    .container { padding: 0 20px; }
    section { padding: 72px 0; }
    .caps-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .hv-1 { width: 220px; left: 10px; }
    .hv-2 { width: 210px; }
    .hv-3 { width: 230px; left: 30px; }
    .contact-form { padding: 24px; }
  }

  /* ========== 3D PREMIUM UPGRADES ========== */
  /* perspective applied to specific containers, NOT body — body perspective breaks position:fixed for descendants */
  .hero-inner, .caps-grid, .why-grid, .sol-grid, .contact-grid { perspective: 1600px; }
  .tilt {
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
    will-change: transform;
  }
  .tilt-inner { transform: translateZ(20px); transition: transform 0.5s; }
  .tilt:hover .tilt-inner { transform: translateZ(40px); }

  /* shimmer on hover */
  .glint { position: relative; overflow: hidden; }
  .glint::after {
    content: ''; position: absolute;
    top: 0; left: -150%; width: 60%; height: 100%;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.18) 50%, transparent 100%);
    transform: skewX(-20deg);
    pointer-events: none;
    transition: left 0.9s ease;
  }
  .glint:hover::after { left: 150%; }

  /* parallax hero pieces */
  .hero-orb.a { transform: translate3d(0, calc(var(--sy, 0) * -0.15px), 0); }
  .hero-orb.b { transform: translate3d(0, calc(var(--sy, 0) * -0.25px), 0); }
  .hero-grid { transform: translate3d(0, calc(var(--sy, 0) * 0.08px), 0); }
  .hero-visual { transform-style: preserve-3d; }

  /* spotlight on solution cards */
  .sol-card::before {
    content: ''; position: absolute; inset: 0;
    border-radius: inherit;
    background: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), rgba(96,165,250,0.18), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
  }
  .sol-card:hover::before { opacity: 1; }

  /* gradient title shimmer */
  .hero h1 .grad {
    background-size: 200% 200%;
    animation: gradMove 8s ease-in-out infinite;
  }
  @keyframes gradMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  /* primary button glow halo */
  .btn-primary { position: relative; isolation: isolate; }
  .btn-primary::after {
    content: ''; position: absolute; inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    filter: blur(22px);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s;
  }
  .btn-primary:hover::after { opacity: 0.55; }

  /* who image hover lift */
  .who-image { transform-style: preserve-3d; transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
  .who-image:hover { transform: translateY(-6px) rotateX(2deg); }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.1s !important;
    }
    html { scroll-behavior: auto; }
  }

  /* WhatsApp floating button */
  .wa-fab {
    position: fixed !important;
    right: 20px;
    bottom: 20px;
    top: auto;
    left: auto;
    width: 60px; height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    display: grid; place-items: center;
    color: #fff;
    box-shadow: 0 12px 28px -6px rgba(37, 211, 102, 0.55), 0 6px 16px -4px rgba(15,23,42,0.25);
    z-index: 9999;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s ease;
  }
  .wa-fab .wa-inner {
    display: grid; place-items: center;
    width: 100%; height: 100%;
    border-radius: 50%;
    animation: waFloat 3.5s ease-in-out infinite;
  }
  .wa-fab::before {
    content: '';
    position: absolute; inset: 0;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.55);
    z-index: -1;
    animation: waPulse 2.4s ease-out infinite;
  }
  .wa-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 18px 38px -6px rgba(37, 211, 102, 0.7), 0 0 0 8px rgba(37, 211, 102, 0.12);
  }
  .wa-fab:hover .wa-inner { animation-play-state: paused; }
  .wa-fab svg { width: 32px; height: 32px; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15)); }
  @keyframes waFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }
  @keyframes waPulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
  }
  @media (max-width: 560px) {
    .wa-fab { right: 18px; bottom: 18px; width: 54px; height: 54px; }
    .wa-fab svg { width: 28px; height: 28px; }
  }
  @media (prefers-reduced-motion: reduce) {
    .wa-fab, .wa-fab .wa-inner, .wa-fab::before { animation: none; }
  }

  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: none;
  }