:root {
    /* Dark navy base + logo cyan/blue accents */
    --brand-navy: #0c1224;
    --brand-navy-soft: #181e30;
    --brand-blue-dark: #4166ac;
    --brand-blue: #487ea8;
    --brand-cyan: #54aeb4;
    --brand-cyan-deep: #5a90a2;
    --accent-light: #5bcfd5;
    --white: #ffffff;

    --bg: #070b14;
    --bg-elevated: #0c1224;
    --surface: #121a2b;
    --surface-2: #182234;
    --border: rgba(84, 174, 180, 0.16);
    --text: #e8eef4;
    --muted: #8b9cb0;
    --primary: #487ea8;
    --primary-2: #54aeb4;
    --gradient: linear-gradient(135deg, #4166ac 0%, #487ea8 48%, #54aeb4 100%);
    --gradient-soft: linear-gradient(135deg, #4166ac 0%, #487ea8 40%, #5bcfd5 100%);
    --glow: 0 0 40px rgba(84, 174, 180, 0.35);
    --glow-strong: 0 0 60px rgba(65, 102, 172, 0.45), 0 0 24px rgba(84, 174, 180, 0.35);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    --radius: 20px;
    --radius-sm: 12px;
    --header-h: 96px;
    --container: 1140px;
    --font: "DM Sans", system-ui, -apple-system, sans-serif;
    --font-display: "Space Grotesk", "DM Sans", system-ui, sans-serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    color-scheme: dark;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.container {
    width: min(var(--container), calc(100% - 40px));
    margin-inline: auto;
}

.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 80% 50% at 15% -5%, rgba(65, 102, 172, 0.28), transparent 55%),
        radial-gradient(ellipse 60% 45% at 95% 10%, rgba(84, 174, 180, 0.18), transparent 50%),
        radial-gradient(ellipse 50% 40% at 50% 100%, rgba(65, 102, 172, 0.16), transparent 55%),
        linear-gradient(180deg, #0a1020 0%, #070b14 50%, #0c1224 100%);
}

/* Signature: Noor light sweep across the page */
.noor-sweep {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 50;
    overflow: hidden;
    mix-blend-mode: screen;
    opacity: 0.35;
}

.noor-sweep::before {
    content: "";
    position: absolute;
    top: -20%;
    left: -40%;
    width: 40%;
    height: 140%;
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgba(91, 207, 213, 0.05) 35%,
        rgba(84, 174, 180, 0.18) 50%,
        rgba(65, 102, 172, 0.08) 65%,
        transparent 100%
    );
    transform: skewX(-12deg);
    animation: noor-pass 14s ease-in-out infinite;
}

@keyframes noor-pass {
    0% { transform: translateX(0) skewX(-12deg); opacity: 0; }
    8% { opacity: 1; }
    42% { opacity: 1; }
    55% { transform: translateX(320%) skewX(-12deg); opacity: 0; }
    100% { transform: translateX(320%) skewX(-12deg); opacity: 0; }
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.accent-text {
    color: var(--brand-cyan-deep);
}

.eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-light);
    background: rgba(84, 174, 180, 0.12);
    border: 1px solid rgba(84, 174, 180, 0.28);
}

.section {
    padding: 96px 0;
}

.section-head {
    max-width: 640px;
    margin-bottom: 48px;
}

.section-head h2,
.about-copy h2,
.contact-copy h2 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    font-weight: 800;
}

.section-desc,
.lead,
.contact-copy > p {
    margin-top: 16px;
    color: #b8c6d4;
    font-size: 1.05rem;
    line-height: 1.65;
}

.contact-copy h2 {
    color: #f1f5f9;
}

.contact-highlights li {
    color: #d5dee8;
}

/* Header — dark glass */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    border-bottom: 1px solid transparent;
    background: rgba(7, 11, 20, 0.72);
    transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
    color: var(--text);
}

.site-header.scrolled {
    background: rgba(7, 11, 20, 0.92);
    border-color: rgba(84, 174, 180, 0.12);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: var(--header-h);
}

.brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.brand-plate {
    display: inline-flex;
    align-items: center;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
}

.brand-logo {
    display: block;
    width: auto;
    height: 72px;
    max-height: calc(var(--header-h) - 20px);
}

.site-nav {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.site-nav a {
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.92rem;
    color: #8b9cb0;
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.site-nav a:hover,
.site-nav a.active {
    color: #f0f7f8;
    background: rgba(84, 174, 180, 0.12);
}

.lang-switch {
    display: flex;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(18, 26, 43, 0.9);
    border: 1px solid rgba(84, 174, 180, 0.18);
}

.lang-switch a {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #8b9cb0;
}

.lang-switch a.active {
    background: var(--gradient);
    color: #fff;
}

.nav-toggle {
    display: none;
    margin-left: auto;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(84, 174, 180, 0.2);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: #e8eef4;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s var(--ease), filter 0.22s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: var(--glow-strong), 0 12px 32px rgba(0, 0, 0, 0.35);
    position: relative;
}

.btn-primary:hover {
    filter: brightness(1.08);
    box-shadow: 0 0 72px rgba(84, 174, 180, 0.55), 0 0 28px rgba(65, 102, 172, 0.5), 0 16px 40px rgba(0, 0, 0, 0.4);
}

.btn-ghost {
    border-color: rgba(84, 174, 180, 0.28);
    background: rgba(18, 26, 43, 0.7);
    color: #e8eef4;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.btn-ghost:hover {
    border-color: rgba(84, 174, 180, 0.5);
    background: rgba(84, 174, 180, 0.1);
}

.btn-block { width: 100%; }

/* Hero — dark navy + logo glow */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    padding: calc(var(--header-h) + 40px) 0 72px;
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(ellipse 80% 50% at 15% -10%, rgba(65, 102, 172, 0.35), transparent 55%),
        radial-gradient(ellipse 60% 45% at 95% 5%, rgba(84, 174, 180, 0.22), transparent 50%),
        radial-gradient(ellipse 50% 35% at 50% 100%, rgba(65, 102, 172, 0.18), transparent),
        linear-gradient(180deg, #0a1020 0%, #070b14 55%, #0c1224 100%);
    color: var(--text);
}

.hero-fx {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* Hero signature ray — Light of Hanoi */
.hero-noor {
    position: absolute;
    top: -10%;
    left: 35%;
    width: 2px;
    height: 120%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(91, 207, 213, 0.0) 10%,
        rgba(84, 174, 180, 0.55) 45%,
        rgba(65, 102, 172, 0.25) 70%,
        transparent 100%
    );
    box-shadow:
        0 0 40px 8px rgba(84, 174, 180, 0.25),
        0 0 80px 20px rgba(65, 102, 172, 0.15);
    transform: rotate(18deg);
    animation: noor-ray 8s ease-in-out infinite;
    opacity: 0.7;
}

.hero-noor::before {
    content: "";
    position: absolute;
    inset: 20% -80px;
    background: radial-gradient(ellipse, rgba(91, 207, 213, 0.2), transparent 70%);
    filter: blur(20px);
}

@keyframes noor-ray {
    0%, 100% { opacity: 0.35; filter: brightness(0.9); }
    50% { opacity: 0.85; filter: brightness(1.25); }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.55;
    animation: orb-drift 14s ease-in-out infinite;
}

.hero-orb-1 {
    width: 420px;
    height: 420px;
    top: -80px;
    right: -60px;
    background: rgba(65, 102, 172, 0.45);
}

.hero-orb-2 {
    width: 320px;
    height: 320px;
    bottom: 10%;
    left: -80px;
    background: rgba(84, 174, 180, 0.32);
    animation-delay: -4s;
}

.hero-orb-3 {
    width: 240px;
    height: 240px;
    top: 35%;
    left: 42%;
    background: rgba(91, 207, 213, 0.18);
    animation-delay: -8s;
}

@keyframes orb-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(24px, -18px) scale(1.06); }
}

.hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(84, 174, 180, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(84, 174, 180, 0.1) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
    animation: grid-pulse 8s ease-in-out infinite;
}

@keyframes grid-pulse {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 0.95; }
}

.hero-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.7;
}

.hero-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-eyebrow {
    margin-bottom: 14px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-light);
}

.hero-title {
    margin: 0 0 20px;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.95;
    color: #f0f7f8;
}

.hero-line { display: block; }

.hero-small {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    color: #8b9cb0;
}

.hero-large {
    font-size: clamp(3.2rem, 8vw, 5.2rem);
    margin: 2px 0;
    text-shadow: 0 0 40px rgba(84, 174, 180, 0.25);
}

.hero-xsmall {
    font-size: clamp(1.5rem, 3.5vw, 2.1rem);
    color: #c5d0dc;
}

.hero-lead {
    max-width: 520px;
    margin-bottom: 28px;
    color: #8b9cb0;
    font-size: 1.05rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-actions .btn-primary {
    padding: 16px 28px;
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.hero-visual {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform 0.15s ease-out;
}

.hero-visual-glow {
    position: absolute;
    inset: 10% 5%;
    background: radial-gradient(circle, rgba(84, 174, 180, 0.28), rgba(65, 102, 172, 0.25) 45%, transparent 70%);
    filter: blur(30px);
    animation: glow-breathe 5s ease-in-out infinite;
}

@keyframes glow-breathe {
    0%, 100% { opacity: 0.55; transform: scale(0.96); }
    50% { opacity: 1; transform: scale(1.04); }
}

.hero-scene {
    position: relative;
    z-index: 2;
    width: min(100%, 520px);
    height: auto;
    animation: scene-float 7s ease-in-out infinite;
}

@keyframes scene-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

.hero-badge {
    position: absolute;
    z-index: 3;
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #e8eef4;
    background: rgba(18, 26, 43, 0.88);
    border: 1px solid rgba(84, 174, 180, 0.35);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(84, 174, 180, 0.15);
    animation: badge-float 5s ease-in-out infinite;
}

.badge-1 { top: 8%; right: 0; animation-delay: 0s; }
.badge-2 { bottom: 28%; left: -2%; animation-delay: 1.2s; }
.badge-3 { bottom: 6%; right: 12%; animation-delay: 2.4s; }

@keyframes badge-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.reveal-item {
    opacity: 0;
    transform: translateY(28px);
    animation: hero-in 0.8s ease forwards;
    animation-delay: calc(0.12s * var(--d, 0));
}

@keyframes hero-in {
    to { opacity: 1; transform: none; }
}

@media (max-width: 1024px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-visual {
        min-height: 300px;
        order: -1;
    }

    .badge-2 { left: 0; }
}

@media (max-width: 768px) {
    .hero {
        padding-top: calc(var(--header-h) + 20px);
    }

    .hero-scene {
        width: min(100%, 400px);
    }
}


/* ── Metrics strip — open rail, no floating cards ── */
.metrics-strip {
    position: relative;
    z-index: 2;
    margin: 0;
    padding: 28px 0 8px;
    background: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 12px 0;
}

.metrics-grid li {
    position: relative;
    padding: 8px 20px;
    text-align: center;
}

.metrics-grid li + li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18%;
    bottom: 18%;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.metric-label {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: #b8c6d4;
    line-height: 1.4;
}

/* ── Section themes & decoration ── */
.section {
    position: relative;
    overflow: hidden;
}

.section--alt {
    background: linear-gradient(180deg, rgba(15, 39, 68, 0.04) 0%, transparent 100%);
}

.section--gradient {
    background:
        radial-gradient(ellipse 60% 50% at 100% 0%, rgba(84, 174, 180, 0.12), transparent),
        radial-gradient(ellipse 50% 40% at 0% 100%, rgba(65, 102, 172, 0.12), transparent),
        #0c1224;
}

.section--dark {
    background: linear-gradient(160deg, #060a12 0%, #0c1224 40%, #101830 100%);
    color: #e2e8f0;
}

.section--dark .eyebrow {
    color: var(--brand-cyan);
    background: rgba(84, 174, 180, 0.1);
    border-color: rgba(84, 174, 180, 0.2);
}
.section--dark .section-head h2 { color: #f8fafc; }
.section--dark .section-desc { color: #b8c6d4; }

.section--cta {
    background:
        radial-gradient(ellipse 70% 60% at 0% 50%, rgba(65, 102, 172, 0.16), transparent),
        radial-gradient(ellipse 50% 50% at 100% 80%, rgba(84, 174, 180, 0.12), transparent),
        #0c1224;
}

.section-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(rgba(65, 102, 172, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
    opacity: 0.35;
}

.section-deco--right {
    mask-image: radial-gradient(ellipse 50% 60% at 90% 30%, #000, transparent 70%);
}

.section-deco--glow::before {
    content: "";
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(84, 174, 180, 0.15), transparent 70%);
}


.section-head--center {
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: 48px;
    text-align: center;
}

.section-head--center .section-desc {
    margin-inline: auto;
}

/* Shared hero-like FX for sections (not hero itself) */
.section-fx {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.fx-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: orb-drift 14s ease-in-out infinite;
}

.fx-orb-1 {
    width: 420px;
    height: 420px;
    top: -80px;
    right: -60px;
    background: rgba(65, 102, 172, 0.22);
}

.fx-orb-2 {
    width: 340px;
    height: 340px;
    bottom: 5%;
    left: -80px;
    background: rgba(84, 174, 180, 0.16);
    animation-delay: -4s;
}

.fx-orb-3 {
    width: 260px;
    height: 260px;
    top: 40%;
    left: 45%;
    background: rgba(65, 102, 172, 0.12);
    animation-delay: -8s;
}

.fx-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(84, 174, 180, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(84, 174, 180, 0.08) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
    animation: grid-pulse 8s ease-in-out infinite;
}

.technologies,
.products,
.about,
.contact {
    position: relative;
    isolation: isolate;
    color: var(--text);
}

/* Sections: dark navy + logo washes */
.technologies {
    background:
        radial-gradient(ellipse 70% 55% at 85% -5%, rgba(65, 102, 172, 0.22), transparent 55%),
        linear-gradient(180deg, #0c1224 0%, #070b14 100%);
}

.technologies .eyebrow {
    color: var(--accent-light);
    background: rgba(65, 102, 172, 0.15);
    border-color: rgba(65, 102, 172, 0.35);
}

.technologies .fx-orb-1 { background: rgba(65, 102, 172, 0.4); }
.technologies .fx-orb-2 { background: rgba(84, 174, 180, 0.22); }

.products {
    background:
        radial-gradient(ellipse 65% 55% at 0% 100%, rgba(84, 174, 180, 0.18), transparent 55%),
        linear-gradient(165deg, #070b14 0%, #0c1224 50%, #0a1020 100%);
}

.products .eyebrow {
    color: var(--brand-cyan);
    background: rgba(84, 174, 180, 0.12);
    border-color: rgba(84, 174, 180, 0.3);
}

.products .fx-orb-2 { background: rgba(84, 174, 180, 0.32); }
.products .fx-orb-3 { background: rgba(65, 102, 172, 0.2); }

.about {
    background:
        radial-gradient(ellipse 55% 40% at 50% 8%, rgba(65, 102, 172, 0.22), transparent 60%),
        radial-gradient(ellipse 40% 35% at 85% 70%, rgba(84, 174, 180, 0.1), transparent 55%),
        linear-gradient(180deg, #0a1020 0%, #0c1224 100%);
}

.about .eyebrow {
    color: var(--accent-light);
    background: rgba(65, 102, 172, 0.15);
    border-color: rgba(65, 102, 172, 0.32);
}

.about .fx-orb-1 { background: rgba(65, 102, 172, 0.32); }
.about .fx-orb-2 { background: rgba(84, 174, 180, 0.2); }

.contact {
    background:
        radial-gradient(ellipse 55% 60% at 100% 40%, rgba(84, 174, 180, 0.2), transparent 55%),
        radial-gradient(ellipse 50% 50% at 0% 85%, rgba(65, 102, 172, 0.18), transparent 50%),
        linear-gradient(135deg, #070b14 0%, #0c1224 50%, #0a1020 100%);
}

.contact .eyebrow {
    color: var(--brand-cyan);
    background: rgba(84, 174, 180, 0.12);
    border-color: rgba(84, 174, 180, 0.3);
}

.contact .fx-orb-1 { background: rgba(84, 174, 180, 0.28); }
.contact .fx-orb-2 { background: rgba(65, 102, 172, 0.25); }

.technologies > .container,
.products > .container,
.about > .container,
.contact > .container {
    position: relative;
    z-index: 2;
}

/* ── Technologies ── */

.tech-pipeline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
    padding: 10px 20px;
    border-radius: 999px;
    background: rgba(18, 26, 43, 0.9);
    border: 1px solid rgba(84, 174, 180, 0.28);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), 0 0 24px rgba(84, 174, 180, 0.12);
}

.tech-pipeline span {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #c5d0dc;
}

.tech-pipeline span.is-core {
    padding: 6px 14px;
    border-radius: 999px;
    color: #fff;
    background: var(--gradient);
    box-shadow: 0 0 20px rgba(84, 174, 180, 0.35);
}

.tech-pipeline i {
    display: block;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, rgba(65, 102, 172, 0.3), #54aeb4, rgba(91, 207, 213, 0.9));
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(84, 174, 180, 0.6);
    animation: flow-pulse 2.4s ease-in-out infinite;
}

@keyframes flow-pulse {
    0%, 100% { opacity: 0.55; filter: brightness(1); }
    50% { opacity: 1; filter: brightness(1.4); }
}

.tech-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tech-grid::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(84, 174, 180, 0.35) 20%, rgba(65, 102, 172, 0.35) 80%, transparent);
    pointer-events: none;
    z-index: 0;
    box-shadow: 0 0 12px rgba(84, 174, 180, 0.25);
}

.tech-card {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-height: 220px;
    padding: 28px;
    border-radius: 16px;
    background: #d5dde8;
    border: 1px solid rgba(12, 18, 36, 0.08);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.16);
    transition: transform 0.28s var(--ease), box-shadow 0.28s, border-color 0.28s;
    overflow: hidden;
    color-scheme: light;
}

.tech-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #4166ac, #54aeb4);
    opacity: 1;
    box-shadow: none;
}

.tech-card::after { content: none; display: none; }

.tech-card:hover {
    transform: translateY(-4px);
    border-color: rgba(65, 102, 172, 0.28);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.2);
}

.tech-card:hover::before { opacity: 1; box-shadow: none; }

.tech-card:nth-child(3n + 1),
.tech-card:nth-child(3n + 2),
.tech-card:nth-child(3n) {
    background: #d5dde8;
}

.tech-card--highlight {
    background: #cfe0e3;
    border-color: rgba(84, 174, 180, 0.4);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.16);
}

.tech-card--highlight::before { opacity: 1; }

.tech-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border-radius: 12px;
    color: var(--c);
    background: color-mix(in srgb, var(--c) 16%, #d5dde8);
    border: 1px solid color-mix(in srgb, var(--c) 32%, transparent);
}

.tech-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}

.tech-card h3 {
    margin-bottom: 8px;
    font-size: 1.08rem;
    font-weight: 800;
    color: #1a2438;
    letter-spacing: -0.02em;
}

.tech-card p {
    margin-top: auto;
    color: #3d4f63;
    font-size: 0.94rem;
    line-height: 1.65;
    font-weight: 500;
}

/* ── About — paired image + copy, polished ── */
.about-kicker {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    margin: 0 auto 40px;
    max-width: 44rem;
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--brand-cyan-deep);
}

.about-kicker::before,
.about-kicker::after {
    content: "";
    flex: 1;
    max-width: 72px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(84, 174, 180, 0.55));
}

.about-kicker::after {
    background: linear-gradient(90deg, rgba(84, 174, 180, 0.55), transparent);
}

.about-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    max-width: 1100px;
    margin-inline: auto;
}

.about-cell {
    position: relative;
    margin: 0;
    min-height: 480px;
    border-radius: 18px;
    overflow: hidden;
    background:
        linear-gradient(165deg, rgba(28, 40, 62, 0.95) 0%, rgba(14, 22, 38, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.about-cell--copy {
    display: flex;
    flex-direction: column;
    padding: 42px 38px;
    background: #d5dde8;
    border-color: rgba(12, 18, 36, 0.08);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.2);
    color-scheme: light;
}

.about-cell--copy::before {
    content: "";
    position: absolute;
    left: 0;
    top: 36px;
    bottom: 36px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, #4166ac, #54aeb4);
}

.about-cell--partner {
    background: #cfe0e3;
    border-color: rgba(84, 174, 180, 0.35);
}

.about-cell--partner::before {
    background: linear-gradient(180deg, #54aeb4, #5bcfd5);
}

.about-cell-label {
    margin: 0 0 12px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #2a7a82;
}

.about-cell--copy h2 {
    margin: 0 0 20px;
    font-size: clamp(1.55rem, 2.7vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.18;
    color: #1a2438;
}

.about-cell--copy > p {
    margin: 0 0 14px;
    font-size: 0.95rem;
    line-height: 1.72;
    color: #2a3a4d;
    font-weight: 500;
}

.about-cell--copy > p:last-child {
    margin-bottom: 0;
}

.about-cell-credit {
    margin-top: auto !important;
    padding-top: 22px;
    border-top: 1px solid rgba(12, 18, 36, 0.1);
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    letter-spacing: -0.01em;
    color: #1a2438 !important;
}

.about-cell--media {
    padding: 0;
    border-color: rgba(84, 174, 180, 0.16);
}

.about-cell--media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 18%;
    display: block;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-cell--media:hover img {
    transform: scale(1.04);
}

.about-cell--media figcaption {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 16px 18px;
    border-radius: 12px;
    background: rgba(7, 11, 20, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.about-cell--media figcaption strong {
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #f8fafc;
}

.about-cell--media figcaption span {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #5bcfd5;
}

@media (max-width: 900px) {
    .about-kicker {
        gap: 12px;
        margin-bottom: 28px;
    }

    .about-kicker::before,
    .about-kicker::after {
        max-width: 36px;
    }

    .about-board {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .about-cell {
        min-height: 0;
    }

    .about-cell--media {
        aspect-ratio: 4 / 5;
        max-height: 540px;
    }

    .about-cell--copy {
        padding: 28px 24px 28px 28px;
    }

    .about-cell--copy::before {
        top: 24px;
        bottom: 24px;
    }

    .about-board .about-cell:nth-child(1) { order: 1; }
    .about-board .about-cell:nth-child(2) { order: 2; }
    .about-board .about-cell:nth-child(4) { order: 3; }
    .about-board .about-cell:nth-child(3) { order: 4; }
}

@media (prefers-reduced-motion: reduce) {
    .about-cell--media:hover img { transform: none; }
}

/* Products — light panels for readability */
.products-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.product-panel {
    position: relative;
    padding: 36px 32px;
    border-radius: 16px;
    background: #d5dde8;
    border: 1px solid rgba(12, 18, 36, 0.08);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
    transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s;
    color-scheme: light;
}

.product-panel:hover {
    transform: translateY(-3px);
    border-color: rgba(65, 102, 172, 0.28);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.accent-panel {
    background: #cfe0e3;
    border-color: rgba(84, 174, 180, 0.45);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(84, 174, 180, 0.12);
}

.accent-panel::before {
    content: none;
    display: none;
}

.product-panel h3 {
    font-size: 1.35rem;
    margin-bottom: 8px;
    color: #1a2438;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.product-panel > p {
    color: #3d4f63;
    margin-bottom: 22px;
    line-height: 1.6;
    font-size: 0.98rem;
}

.check-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 11px;
    color: #1e2a3e;
    font-size: 0.96rem;
    line-height: 1.5;
    font-weight: 500;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4166ac, #54aeb4);
}

.industry-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.industry-pill {
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    background: #d5dde8;
    border: 1px solid rgba(12, 18, 36, 0.1);
    color: #1e2a3e;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}

.industry-pill:nth-child(3n + 1),
.industry-pill:nth-child(3n + 2),
.industry-pill:nth-child(3n) {
    background: #d5dde8;
    border-color: rgba(12, 18, 36, 0.1);
    color: #1e2a3e;
}

.industry-pill:hover {
    background: #c8d4e0;
    border-color: rgba(65, 102, 172, 0.35);
    color: #1a2438;
    transform: translateY(-2px);
}

/* Process */
.process-track {
    position: relative;
}

.process-line {
    display: none;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    counter-reset: step;
}

.step-card {
    position: relative;
    padding: 28px 24px;
    padding-top: 36px;
    border-radius: 16px;
    background: #d5dde8;
    border: 1px solid rgba(12, 18, 36, 0.08);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
    transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, box-shadow 0.25s;
    color-scheme: light;
}

.step-card:hover {
    transform: translateY(-4px);
    background: #dde4ed;
    border-color: rgba(65, 102, 172, 0.28);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.step-num {
    display: inline-block;
    margin-bottom: 16px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #2a7a82;
}

.step-card h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: #1a2438;
    font-weight: 800;
}

.step-card p {
    color: #3d4f63;
    font-size: 0.94rem;
    line-height: 1.6;
    font-weight: 500;
}

.step-node {
    position: absolute;
    top: -10px;
    left: 24px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient);
    box-shadow: 0 0 0 4px rgba(84, 174, 180, 0.2), 0 4px 16px rgba(84, 174, 180, 0.4);
    animation: node-pulse 2.8s ease-in-out infinite;
}

.step-card:nth-child(2) .step-node { animation-delay: 0.4s; }
.step-card:nth-child(3) .step-node { animation-delay: 0.8s; }
.step-card:nth-child(4) .step-node { animation-delay: 1.2s; }

@keyframes node-pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(84, 174, 180, 0.2), 0 4px 16px rgba(84, 174, 180, 0.35); }
    50% { box-shadow: 0 0 0 6px rgba(84, 174, 180, 0.12), 0 0 24px rgba(91, 207, 213, 0.65); }
}

@media (min-width: 1025px) {
    .process-line {
        display: block;
        position: absolute;
        top: 28px;
        left: 12%;
        right: 12%;
        height: 3px;
        border-radius: 999px;
        background: linear-gradient(
            90deg,
            transparent,
            rgba(84, 174, 180, 0.25) 12%,
            rgba(65, 102, 172, 0.35) 50%,
            rgba(84, 174, 180, 0.25) 88%,
            transparent
        );
        overflow: hidden;
        box-shadow: 0 0 12px rgba(84, 174, 180, 0.2);
    }

    .process-line-beam {
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 28%;
        border-radius: inherit;
        background: linear-gradient(
            90deg,
            transparent,
            rgba(91, 207, 213, 0.15),
            rgba(91, 207, 213, 0.95),
            rgba(84, 174, 180, 0.15),
            transparent
        );
        box-shadow: 0 0 18px 2px rgba(91, 207, 213, 0.55);
        animation: pipeline-flow 2.8s ease-in-out infinite;
    }

    @keyframes pipeline-flow {
        0% { transform: translateX(-40%); opacity: 0; }
        15% { opacity: 1; }
        85% { opacity: 1; }
        100% { transform: translateX(380%); opacity: 0; }
    }
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: start;
}

.contact-highlights {
    margin-top: 28px;
    display: grid;
    gap: 12px;
}

.contact-highlights li {
    position: relative;
    padding-left: 28px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #d5dee8;
}

.contact-highlights li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45em;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0.85;
    box-shadow: 0 0 0 4px rgba(84, 174, 180, 0.15);
}

.contact-form {
    padding: 32px;
    border-radius: 16px;
    background: #d5dde8;
    border: 1px solid rgba(12, 18, 36, 0.08);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    color-scheme: light;
}

.contact-form::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4166ac, #54aeb4);
}

.contact-form label {
    display: block;
    margin-bottom: 16px;
}

.contact-form label span {
    display: block;
    margin-bottom: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #1e2a3e;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(12, 18, 36, 0.12);
    background: #e8eef4;
    color: #1a2438;
    font: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(65, 102, 172, 0.55);
    box-shadow: 0 0 0 4px rgba(65, 102, 172, 0.12);
}

.contact-form textarea { resize: vertical; min-height: 120px; }

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #6b7c90;
}

.form-error {
    margin: -8px 0 12px;
    font-size: 0.82rem;
    color: #b91c1c;
    display: none;
}

.form-error.show { display: block; }

.form-error--global {
    margin-top: 14px;
}

.contact-form .botcheck {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.form-success {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: rgba(84, 174, 180, 0.15);
    border: 1px solid rgba(42, 122, 130, 0.35);
    color: #0f5c64;
    font-size: 0.92rem;
    font-weight: 600;
}

/* Footer */
.site-footer {
    position: relative;
    border-top: 1px solid rgba(84, 174, 180, 0.12);
    padding-top: 56px;
    background: linear-gradient(180deg, #0a1020 0%, #070b14 100%);
    overflow: hidden;
    color: #8b9cb0;
}

.footer-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--primary-2);
}

.footer-brand img,
.footer-logo {
    display: block;
    width: auto;
    height: 160px;
    margin-bottom: 16px;
}

.footer-tagline {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.footer-col p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

.footer-col a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-bottom {
    padding: 18px 0 28px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    text-align: center;
    color: #6b7c90;
    font-size: 0.88rem;
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
    .metrics-grid li + li::before { display: none; }
    .metrics-grid li:nth-child(even) {
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }

    .tech-grid { grid-template-columns: repeat(2, 1fr); }

    .contact-grid,
    .products-layout { grid-template-columns: 1fr; }

    .process-steps { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }

    .metrics-strip { padding: 20px 0 4px; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .metric-value { font-size: 1.25rem; }

    .brand-logo { height: 52px; }

    .nav-toggle { display: block; }

    .site-nav {
        position: fixed;
        inset: var(--header-h) 0 auto 0;
        display: none;
        flex-direction: column;
        padding: 16px;
        background: rgba(7, 11, 20, 0.98);
        border-bottom: 1px solid rgba(84, 174, 180, 0.14);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    }

    .site-nav.open { display: flex; }

    .lang-switch { margin-left: auto; }

    .footer-logo { height: 128px; }

    .tech-grid { grid-template-columns: 1fr; }

    .process-steps { grid-template-columns: 1fr; }
}


@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .hero-orb, .fx-orb, .hero-scene, .hero-badge,
    .hero-visual-glow, .tech-pipeline i,
    .hero-noor, .noor-sweep::before, .process-line-beam, .step-node {
        animation: none !important;
    }
    .noor-sweep { display: none; }
}