:root {
    --brand-primary: #0ea5e9;
    --brand-primary-dark: #0369a1;
    --brand-primary-light: #38bdf8;
    --brand-accent: #10b981;
    --brand-warning: #f59e0b;
    --brand-danger: #ef4444;

    --surface-body: #f8fafc;
    --surface-panel: #ffffff;
    --surface-muted: #f3f4f6;
    --surface-elevated: #ffffff;
    --surface-dark: #0f172a;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverted: #ffffff;

    --border-default: #e5e7eb;
    --border-strong: #d1d5db;

    --shadow-card: 0 20px 30px -10px rgba(14, 165, 233, .12), 0 8px 20px -12px rgba(14, 165, 233, .10);
    --shadow-hover: 0 20px 30px -10px rgba(14, 165, 233, .22), 0 8px 20px -12px rgba(14, 165, 233, .14);
    --shadow-btn: 0 16px 28px -10px rgba(14, 165, 233, .22), 0 6px 14px -10px rgba(14, 165, 233, .16);

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 22px;

    --gradient-hero: linear-gradient(180deg, #0F172A 0%, #0B1F3A 45%, #0A2D4F 100%);
    --gradient-card: linear-gradient(180deg, rgba(14, 165, 233, .08) 0%, rgba(255, 255, 255, 1) 100%);
    --gradient-scroll-thumb: linear-gradient(180deg, var(--brand-primary-light), var(--brand-primary-dark));
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--surface-body);
    color: var(--text-primary);
}

section {
    scroll-margin-top: 92px;
}

.brand-name {
    color: var(--brand-primary-dark);
}

.brand-mark {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    box-shadow: 0 12px 22px -12px rgba(14, 165, 233, .55);
}

.surface-panel {
    background: var(--surface-panel);
}

.surface-muted {
    background: var(--surface-muted);
}

.brand-kicker {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .45rem .8rem;
    border-radius: 9999px;
    background: rgba(14, 165, 233, .08);
    color: var(--brand-primary-dark);
    font-size: .8rem;
    font-weight: 600;
    border: 1px solid rgba(14, 165, 233, .14);
}

.brand-kicker::before {
    content: "";
    width: .55rem;
    height: .55rem;
    border-radius: 9999px;
    background: var(--brand-primary);
    box-shadow: 0 0 0 6px rgba(14, 165, 233, .12);
}

.brand-kicker-hero {
    background: rgba(56, 189, 248, 0.14);
    color: #e0f2fe;
    border: 1px solid rgba(56, 189, 248, 0.28);
    backdrop-filter: blur(8px);
}

.brand-kicker-hero::before {
    background: #7dd3fc;
    box-shadow: 0 0 0 6px rgba(125, 211, 252, 0.16);
}

.card-hover {
    transition: all .25s ease;
}

.card-hover:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.btn-soft {
    transition: all .25s ease;
}

.btn-soft:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-btn);
}

.btn-soft:active {
    transform: scale(.98);
}

.hero-grid {
    display: grid;
    gap: 1.25rem;
}

.hero-metric,
.glass-panel {
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .06);
    backdrop-filter: blur(10px);
}

.glass-panel {
    border-radius: 1.25rem;
}

.hero-metric {
    border-radius: 1rem;
    padding: 1rem;
}

.proof-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-default);
}

.architect-diagram>div {
    position: relative;
}

.architect-diagram>div+div::before {
    content: "";
    position: absolute;
    left: -1rem;
    top: 50%;
    width: .75rem;
    height: 2px;
    background: rgba(14, 165, 233, .35);
}

.mock-shot {
    position: relative;
    min-height: 240px;
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, .14);
    background: linear-gradient(180deg, rgba(255, 255, 255, .08) 0%, rgba(2, 6, 23, .4) 100%);
}

.mock-shot::before,
.mock-shot::after {
    content: "";
    position: absolute;
    border-radius: 9999px;
    filter: blur(28px);
}

.mock-shot::before {
    width: 180px;
    height: 180px;
    top: -30px;
    right: -20px;
    background: rgba(56, 189, 248, .24);
}

.mock-shot::after {
    width: 160px;
    height: 160px;
    left: -30px;
    bottom: -30px;
    background: rgba(16, 185, 129, .16);
}

.mini-bar {
    height: .45rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, .12);
    overflow: hidden;
}

.mini-bar>span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(56, 189, 248, .95), rgba(14, 165, 233, .55));
}

.reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: all .55s ease;
}

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

.delay-1 {
    transition-delay: .06s;
}

.delay-2 {
    transition-delay: .12s;
}

.delay-3 {
    transition-delay: .18s;
}

.delay-4 {
    transition-delay: .24s;
}

.delay-5 {
    transition-delay: .30s;
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--brand-primary) var(--border-default);
}

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background: var(--surface-muted);
    border-radius: 10px;
}

*::-webkit-scrollbar-thumb {
    background: var(--gradient-scroll-thumb);
    border-radius: 10px;
    border: 2px solid var(--surface-muted);
}

*::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--brand-primary), var(--brand-primary-dark));
}

[data-lucide] {
    width: 18px;
    height: 18px;
    stroke-width: 2.2;
}

.nav-active {
    color: var(--brand-primary) !important;
    font-weight: 600;
}

.mobile-item.active {
    background: color-mix(in srgb, var(--brand-primary) 8%, transparent);
    color: var(--brand-primary-dark);
}

@media (max-width: 767px) {
    .architect-diagram>div+div::before {
        left: 50%;
        top: -1rem;
        width: 2px;
        height: .75rem;
        transform: translateX(-50%);
    }
}