:root {
    --clr-bg: #07070a;
    --clr-bg-alt: #0a0a0e;
    --clr-surface: rgba(255,255,255,.02);
    --clr-surface-hover: rgba(255,255,255,.04);
    --clr-text: #e8e8ed;
    --clr-heading: #fff;
    --clr-muted: rgba(255,255,255,.45);
    --clr-faint: rgba(255,255,255,.25);
    --clr-border: rgba(255,255,255,.05);
    --clr-border-hover: rgba(255,255,255,.1);
    --clr-hero-bg: #07070a;
}

[data-theme="light"] {
    --clr-bg: #f4f5f8;
    --clr-bg-alt: #e8eaef;
    --clr-surface: #ffffff;
    --clr-surface-hover: #f0f2f6;
    --clr-text: #1e1e2e;
    --clr-heading: #0a0a14;
    --clr-muted: #555568;
    --clr-faint: #7d7d91;
    --clr-border: #e0e2e8;
    --clr-border-hover: #c8cbd4;
    --clr-hero-bg: #f4f5f8;
}

[data-theme="light"] .card,
[data-theme="light"] .case-card,
[data-theme="light"] .fintech-card,
[data-theme="light"] .sec-card {
    background: #ffffff;
    border-color: var(--clr-border);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

[data-theme="light"] .card:hover,
[data-theme="light"] .case-card:hover,
[data-theme="light"] .fintech-card:hover,
[data-theme="light"] .sec-card:hover {
    background: #ffffff;
    border-color: var(--clr-border-hover);
    box-shadow: 0 4px 16px rgba(0,0,0,.06), 0 0 50px rgba(100,80,220,.06);
}

[data-theme="light"] .card::before {
    background: radial-gradient(ellipse at 0% 0%, rgba(100,80,220,.04), transparent);
}

[data-theme="light"] .btn {
    background: var(--clr-heading);
    color: #ffffff;
}

[data-theme="light"] .btn:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
}

[data-theme="light"] .grid-overlay {
    background-image:
        linear-gradient(var(--clr-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
}

[data-theme="light"] .hero {
    background:
        radial-gradient(ellipse 60% 40% at 30% 20%, rgba(100,80,220,.07), transparent),
        radial-gradient(ellipse 50% 35% at 70% 80%, rgba(0,140,255,.03), transparent),
        var(--clr-hero-bg);
}

[data-theme="light"] .hero-bg-svg {
    opacity: .5;
}

[data-theme="light"] .hero-bg-svg circle,
[data-theme="light"] .hero-bg-svg line,
[data-theme="light"] .hero-bg-svg path {
    stroke: rgba(0,0,0,.07);
}

[data-theme="light"] .badge {
    border-color: var(--clr-border);
    color: var(--clr-faint);
}

[data-theme="light"] .nav-links a::after {
    background: var(--clr-heading);
}

[data-theme="light"] .nav-overlay {
    background: rgba(244,245,248,.92);
}

[data-theme="light"] .price {
    border-top-color: var(--clr-border);
}

[data-theme="light"] .case-line {
    background: var(--clr-border);
}

[data-theme="light"] .case-card:hover .case-line {
    background: var(--clr-faint);
}

[data-theme="light"] .partners-list span::after {
    background: var(--clr-faint);
}

[data-theme="light"] .fintech-card li::before {
    border-color: var(--clr-faint);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.noise {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 9999;
    opacity: .025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.grid-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
    background-image:
        linear-gradient(var(--clr-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
    background-size: 60px 60px;
}

.cursor-glow {
    position: fixed;
    width: 800px; height: 800px;
    border-radius: 50%;
    pointer-events: none; z-index: 9998;
    background: radial-gradient(circle, rgba(130,100,255,.12) 0%, rgba(100,80,220,.04) 30%, transparent 60%);
    transform: translate(-400px, -400px);
    transition: transform .08s ease-out;
}

[data-theme="light"] .cursor-glow {
    opacity: .6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header / Nav */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    transition: background .35s, backdrop-filter .35s, border-color .35s;
    background: transparent;
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(7,7,10,.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-color: var(--clr-border);
}

[data-theme="light"] .header.scrolled {
    background: rgba(244,245,248,.85);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    position: relative;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-heading);
    flex-shrink: 0;
    text-decoration: none;
}

.logo svg { flex-shrink: 0; width: 30px; height: 30px; }
.logo svg rect, .logo svg circle { stroke: var(--clr-heading); }
.logo svg circle { fill: var(--clr-heading); }

a.logo {
    position: relative;
}

a.logo::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1px;
    background: var(--clr-heading);
    transition: width .25s ease;
}

a.logo:hover::after { width: 100%; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--clr-muted);
    text-decoration: none;
    font-size: .82rem;
    letter-spacing: .5px;
    transition: color .25s;
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1px;
    background: var(--clr-heading);
    transition: width .25s ease;
}

.nav-links a:hover { color: var(--clr-heading); }
.nav-links a:hover::after { width: 100%; }

/* Mobile overlay */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
    position: relative;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--clr-muted);
    transition: transform .3s, opacity .3s;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

.theme-btn {
    background: none;
    border: 1px solid var(--clr-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s, border-color .2s;
    padding: 0;
    color: var(--clr-muted);
}

.theme-btn:hover {
    background: var(--clr-surface);
    border-color: var(--clr-border-hover);
    color: var(--clr-heading);
}

.nav-overlay {
    display: none;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links--desktop {
    display: flex;
    gap: 32px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background:
        radial-gradient(ellipse 60% 40% at 30% 20%, rgba(100,80,220,.12), transparent),
        radial-gradient(ellipse 50% 35% at 70% 80%, rgba(0,180,255,.05), transparent),
        var(--clr-hero-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-svg {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 800px;
    opacity: .6;
    pointer-events: none;
    animation: rotateSlow 60s linear infinite;
}

@keyframes rotateSlow {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.badge {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid var(--clr-border);
    border-radius: 20px;
    font-size: .7rem;
    color: var(--clr-muted);
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -.02em;
    color: var(--clr-heading);
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--clr-muted);
    max-width: 480px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.btn {
    display: inline-block;
    padding: 14px 44px;
    border-radius: 30px;
    background: var(--clr-heading);
    color: var(--clr-bg);
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
    letter-spacing: .5px;
    transition: transform .25s, box-shadow .25s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,.08);
}

/* Section */
.section {
    padding: clamp(60px, 10vw, 110px) 0;
    text-align: center;
    position: relative;
    scroll-margin-top: 80px;
}

.dark { background: var(--clr-bg-alt); }

.label {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 3.5px;
    color: var(--clr-faint);
    margin-bottom: 12px;
}

.section h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.4rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -.02em;
    color: var(--clr-heading);
}

.text {
    max-width: 600px;
    margin: 0 auto;
    color: var(--clr-muted);
    font-size: .95rem;
    line-height: 1.7;
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: clamp(24px, 6vw, 60px);
    margin-top: 50px;
    flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-num {
    display: block;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--clr-heading);
    letter-spacing: -1px;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    display: block;
    font-size: .8rem;
    color: var(--clr-faint);
    margin-top: 4px;
    letter-spacing: .5px;
}

/* Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 52px;
}

.card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: left;
    transition: transform .15s ease-out, background .3s, border-color .3s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(ellipse at 0% 0%, var(--clr-border-hover), transparent);
    opacity: 0;
    transition: opacity .4s;
    pointer-events: none;
}

.card:hover {
    background: var(--clr-surface-hover);
    border-color: var(--clr-border-hover);
    box-shadow: 0 0 50px rgba(100,80,220,.08);
}

.card:hover::before { opacity: 1; }

.card-icon {
    margin-bottom: 18px;
    color: var(--clr-faint);
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-heading);
    margin-bottom: 8px;
    letter-spacing: .3px;
}

.card p {
    font-size: .85rem;
    color: var(--clr-muted);
    line-height: 1.6;
}

.price {
    display: inline-block;
    margin-top: 14px;
    font-size: .75rem;
    color: var(--clr-faint);
    letter-spacing: 1px;
    text-transform: uppercase;
    border-top: 1px solid var(--clr-border);
    padding-top: 12px;
}

/* Cases / Tech / Fintech / Security — reuse vars via .card-like styles */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 52px;
}

.case-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: left;
    cursor: default;
    transition: transform .15s ease-out, background .3s, border-color .3s;
}

.case-card:hover {
    background: var(--clr-surface-hover);
    border-color: var(--clr-border-hover);
    box-shadow: 0 0 50px rgba(100,80,220,.08);
}

.case-tag {
    display: inline-block;
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-faint);
    margin-bottom: 10px;
}

.case-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-heading);
    margin-bottom: 8px;
}

.case-card p { font-size: .85rem; color: var(--clr-muted); }

.case-line {
    margin-top: 20px;
    width: 40px;
    height: 1px;
    background: var(--clr-border);
    transition: width .4s, background .4s;
}

.case-card:hover .case-line {
    width: 60px;
    background: var(--clr-faint);
}

/* Fintech */
.fintech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 52px;
}

.fintech-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: left;
    transition: transform .15s ease-out, background .3s, border-color .3s;
}

.fintech-card:hover {
    background: var(--clr-surface-hover);
    border-color: var(--clr-border-hover);
    box-shadow: 0 0 50px rgba(100,80,220,.08);
}

.fintech-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-heading);
    margin-bottom: 14px;
    letter-spacing: .3px;
}

.fintech-card ul { list-style: none; padding: 0; }

.fintech-card li {
    font-size: .85rem;
    color: var(--clr-muted);
    padding: 4px 0 4px 16px;
    position: relative;
}

.fintech-card li::before {
    content: '';
    position: absolute;
    left: 0; top: 12px;
    width: 6px; height: 6px;
    border-radius: 50%;
    border: 1px solid var(--clr-faint);
}

/* Security */
.sec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 52px;
}

.sec-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    transition: transform .15s ease-out, background .3s, border-color .3s;
}

.sec-card:hover {
    background: var(--clr-surface-hover);
    border-color: var(--clr-border-hover);
    box-shadow: 0 0 50px rgba(100,80,220,.08);
}

.sec-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-heading);
    margin-bottom: 12px;
}

.sec-card p { font-size: .85rem; color: var(--clr-muted); line-height: 1.6; }

.standards { margin-top: 40px; }

.standards p {
    font-size: .75rem;
    color: var(--clr-muted);
    letter-spacing: 1.5px;
    line-height: 1.8;
}

/* Partners */
.partners-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 32px;
    margin-top: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.partners-list span {
    font-size: .82rem;
    color: var(--clr-muted);
    letter-spacing: 1px;
    padding: 4px 0;
    position: relative;
}

.partners-list span::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--clr-faint);
    transition: width .3s;
}

.partners-list span:hover::after { width: 100%; }

/* Demo projects */
.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 52px;
}

.demo-card {
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    overflow: hidden;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    text-decoration: none;
    transition: transform .15s ease-out, background .3s, border-color .3s, box-shadow .3s;
    cursor: pointer;
}

.demo-card:hover {
    background: var(--clr-surface-hover);
    border-color: var(--clr-border-hover);
    box-shadow: 0 0 50px rgba(100,80,220,.08);
}

.demo-accent {
    height: 4px;
    flex-shrink: 0;
}

.demo-body {
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.demo-body h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--clr-heading);
    letter-spacing: -.01em;
}

.demo-body p {
    font-size: .85rem;
    color: var(--clr-muted);
    line-height: 1.6;
    flex: 1;
}

.demo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.demo-tags span {
    display: inline-block;
    padding: 4px 10px;
    font-size: .65rem;
    letter-spacing: .5px;
    text-transform: uppercase;
    border-radius: 6px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    color: var(--clr-faint);
}

.demo-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .8rem;
    font-weight: 600;
    color: var(--clr-heading);
    letter-spacing: .3px;
    transition: gap .25s;
    margin-top: 4px;
}

.demo-card:hover .demo-link {
    gap: 10px;
}

[data-theme="light"] .demo-card {
    background: #ffffff;
    border-color: var(--clr-border);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

[data-theme="light"] .demo-card:hover {
    background: #ffffff;
    border-color: var(--clr-border-hover);
    box-shadow: 0 4px 16px rgba(0,0,0,.06), 0 0 50px rgba(100,80,220,.06);
}

[data-theme="light"] .demo-tags span {
    background: var(--clr-bg);
    border-color: var(--clr-border);
}

.demo-note {
    text-align: center;
    margin-top: 32px;
    font-size: .85rem;
    color: var(--clr-muted);
    letter-spacing: .3px;
}

/* Footer */
.footer { padding: 40px 0 40px; position: relative; scroll-margin-top: 80px; }

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 6vw, 60px);
    text-align: left;
    margin-bottom: 50px;
}

.footer-info h2 {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--clr-heading);
    margin-bottom: 28px;
    letter-spacing: -.02em;
}

.contact-item { margin-bottom: 18px; }

.contact-label {
    display: block;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-faint);
    margin-bottom: 4px;
}

.contact-item a {
    color: var(--clr-muted);
    text-decoration: none;
    font-size: .95rem;
    transition: color .2s;
}

.contact-item a:hover { color: var(--clr-heading); }

.contact-value { color: var(--clr-faint); font-size: .9rem; }

.footer-reqs p { font-size: .82rem; color: var(--clr-faint); margin-bottom: 4px; }
.footer-reqs .label { margin-bottom: 16px; }
.footer-reqs .bank-label { margin-top: 28px; }
.footer-reqs p { -webkit-touch-callout: none; }

.copy {
    text-align: center;
    font-size: .75rem;
    color: var(--clr-faint);
    padding-top: 30px;
    border-top: 1px solid var(--clr-border);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.copy .footer-link {
    color: var(--clr-accent);
    text-decoration: none;
    transition: opacity .3s;
}
.copy .footer-link:hover {
    opacity: .7;
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links--desktop { display: none; }

    /* Full-screen overlay */
    .nav-overlay {
        display: flex;
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100%;
        background: rgba(7,7,10,.92);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        z-index: 1001;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity .4s ease;
    }

    .nav-overlay.open {
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .nav-links li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity .4s ease, transform .4s ease;
    }

    .nav-overlay.open .nav-links li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-overlay.open .nav-links li:nth-child(1) { transition-delay: .03s; }
    .nav-overlay.open .nav-links li:nth-child(2) { transition-delay: .06s; }
    .nav-overlay.open .nav-links li:nth-child(3) { transition-delay: .09s; }
    .nav-overlay.open .nav-links li:nth-child(4) { transition-delay: .12s; }
    .nav-overlay.open .nav-links li:nth-child(5) { transition-delay: .15s; }
    .nav-overlay.open .nav-links li:nth-child(6) { transition-delay: .18s; }
    .nav-overlay.open .nav-links li:nth-child(7) { transition-delay: .21s; }

    .nav-links a {
        font-size: 1.4rem;
        letter-spacing: 1px;
        padding: 14px 0;
        display: block;
        color: var(--clr-heading);
    }

    .nav-links a::after { display: none; }

    .nav-links a:hover {
        color: var(--clr-muted);
    }

    .nav-toggle { display: flex; }

    .stats { gap: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero-bg-svg { max-width: 500px; }
}