@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-main: #04070f;
    --bg-alt: #060b18;
    --surface: #0a1122;
    --surface-2: #0e1730;
    --text-primary: #f1f4fb;
    --text-secondary: #9ba6bf;
    --text-muted: #5f6b86;
    --accent: #4d8dff;
    --accent-strong: #2f6bff;
    --accent-light: #9cc0ff;
    --accent-glow: rgba(77, 141, 255, 0.35);
    --accent-soft: rgba(77, 141, 255, 0.1);
    --border-color: rgba(150, 180, 255, 0.1);
    --border-strong: rgba(150, 180, 255, 0.2);

    --container-width: 1160px;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --ease: cubic-bezier(0.23, 1, 0.32, 1);

    /* Brand backdrop: diagonal blue light seen through vertical glass ribs */
    --brand-ribs: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, rgba(0, 0, 0, 0.2) 1px 3px, transparent 3px 30px);
    --brand-light: linear-gradient(115deg, #030814 8%, #0c2f8f 32%, #3f86ff 47%, #0b2a7a 62%, #030814 88%);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.035em;
    line-height: 1.1;
}

a { text-decoration: none; color: inherit; transition: all 0.25s var(--ease); }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }
strong { color: #fff; font-weight: 600; }

::selection { background: var(--accent-strong); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* Utilities */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }
.section-padding { padding: 7.5rem 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }

.eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

.section-header { max-width: 680px; }
.section-header h2 { font-size: clamp(2rem, 4vw, 3rem); }
.section-header p { color: var(--text-secondary); font-size: 1.1rem; margin-top: 1.25rem; }
.section-header.center { margin: 0 auto; text-align: center; }

.line { display: none; }

/* Wordmark */
.wordmark { display: inline-flex; align-items: center; gap: 0.7rem; }
.wordmark-logo { height: 26px; width: auto; }
.wordmark-text {
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: -0.03em;
    color: #fff;
    white-space: nowrap;
    line-height: 1;
}
.wordmark-text span { color: #8b93a7; }

/* Header */
header {
    position: fixed; top: 0; left: 0; width: 100%;
    z-index: 999;
    padding: 1.1rem 0;
    background: rgba(4, 7, 15, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: padding 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}
header.scrolled { padding: 0.8rem 0; background: rgba(4, 7, 15, 0.88); border-bottom-color: var(--border-color); }

nav { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; }

.nav-links { display: flex; align-items: center; gap: 2.2rem; }
.nav-links a { font-size: 0.925rem; font-weight: 500; color: var(--text-secondary); }
.nav-links a:hover { color: #fff; }
.nav-links .btn { color: #fff; padding: 0.6rem 1.15rem; font-size: 0.875rem; }
.nav-links .btn:hover { color: #fff; }

.menu-btn {
    display: none;
    width: 42px; height: 42px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    position: relative;
}
.menu-btn span {
    position: absolute; left: 11px; right: 11px; height: 2px;
    background: #fff; border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.2s;
}
.menu-btn span:nth-child(1) { top: 14px; }
.menu-btn span:nth-child(2) { top: 20px; }
.menu-btn span:nth-child(3) { top: 26px; }
.menu-open .menu-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
.menu-open .menu-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.9rem 1.6rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    background: var(--accent-strong);
    color: #fff;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 8px 24px -8px var(--accent-glow);
    transition: all 0.25s var(--ease);
}
.btn:hover { background: var(--accent); transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 12px 30px -8px var(--accent-glow); }
.btn-outline { background: rgba(255, 255, 255, 0.03); border-color: var(--border-strong); color: #fff; box-shadow: none; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.07); border-color: rgba(150, 180, 255, 0.35); box-shadow: none; }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* Hero */
.hero {
    min-height: 92vh;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    padding: 150px 0 110px;
    text-align: center;
    overflow: hidden;
}
.hero-grid {
    position: absolute; inset: 0;
    background: var(--brand-ribs), var(--brand-light);
    opacity: 0.9;
    mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 60% 55% at 50% 48%, rgba(4, 7, 15, 0.72) 0%, rgba(4, 7, 15, 0.25) 60%, transparent 100%);
    pointer-events: none;
}
.hero-content { max-width: 880px; margin: 0 auto; position: relative; z-index: 1; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.55rem;
    padding: 0.4rem 0.95rem;
    background: rgba(4, 7, 15, 0.5);
    border: 1px solid var(--border-strong);
    border-radius: 100px;
    color: #dbe6ff;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.75rem;
    backdrop-filter: blur(8px);
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 2.2s infinite; }
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(77, 141, 255, 0.55); }
    70% { box-shadow: 0 0 0 9px rgba(77, 141, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(77, 141, 255, 0); }
}

.hero h1 {
    font-size: clamp(2.6rem, 6.6vw, 5.2rem);
    font-weight: 600;
    letter-spacing: -0.045em;
    line-height: 1.02;
    margin-bottom: 1.5rem;
}
.hero h1 em {
    font-style: normal;
    background: linear-gradient(180deg, #d7e5ff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p.lead {
    font-size: 1.2rem;
    color: #c3cde3;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}
.hero-btns { display: flex; justify-content: center; gap: 0.85rem; flex-wrap: wrap; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 3.5rem; }

.card {
    background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.7); }
.card::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(500px circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(77, 141, 255, 0.1), transparent 45%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}
.card:hover::after { opacity: 1; }

.icon-box {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: grid; place-items: center;
    color: #fff;
    background: linear-gradient(150deg, var(--accent) 0%, var(--accent-strong) 55%, #1740b8 100%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.25) inset, 0 10px 24px -10px var(--accent-glow);
    margin-bottom: 1.5rem;
}
.icon-box svg { width: 22px; height: 22px; }

.card h3 { font-size: 1.2rem; letter-spacing: -0.02em; margin-bottom: 0.7rem; }
.card p { font-size: 0.975rem; color: var(--text-secondary); line-height: 1.7; }

/* How it works */
.methodology { position: relative; }
.method-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4.5rem; align-items: start; }
.method-layout .section-header { position: sticky; top: 120px; }
.steps-container { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.step-item {
    position: relative;
    padding: 1.9rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
}
.step-number {
    display: inline-flex; align-items: center; justify-content: center;
    height: 28px; padding: 0 0.7rem;
    border-radius: 100px;
    background: var(--accent-soft);
    border: 1px solid rgba(77, 141, 255, 0.28);
    color: var(--accent-light);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 1.1rem;
}
.step-item h3 { font-size: 1.15rem; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.step-item p { color: var(--text-secondary); font-size: 0.95rem; }
.step-item p a { color: var(--accent-light) !important; }

/* Brand panels (mission, CTA) */
.mission-box, .cta {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    background: var(--brand-ribs), var(--brand-light);
    text-align: center;
    isolation: isolate;
}
.mission-box::before, .cta::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(4, 7, 15, 0.7), rgba(4, 7, 15, 0.35) 70%, rgba(4, 7, 15, 0.2));
    z-index: -1;
}
.mission-box { padding: 5rem 4rem; }
.mission-box .eyebrow, .cta .eyebrow { color: #dbe6ff; }
.mission-box blockquote {
    font-size: clamp(1.4rem, 2.8vw, 2.1rem);
    line-height: 1.35;
    font-weight: 500;
    letter-spacing: -0.03em;
    max-width: 860px;
    margin: 0.5rem auto 0;
    color: #fff;
}
.mission-box blockquote span { color: var(--accent-light); }
.values { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.6rem; margin-top: 2.25rem; }
.chip {
    padding: 0.4rem 0.95rem;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(4, 7, 15, 0.45);
    font-size: 0.85rem;
    font-weight: 500;
    color: #dbe6ff;
}

.cta { padding: 4.5rem 3rem; }
.cta h2 { font-size: clamp(2rem, 4vw, 3rem); }
.cta p { color: #c3cde3; max-width: 560px; margin: 1.1rem auto 2.1rem; font-size: 1.05rem; }

/* About */
.split-section { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: center; }
.about-text h2 { font-size: clamp(2rem, 4vw, 3rem); }
.about-text p { color: var(--text-secondary); margin-top: 1.25rem; font-size: 1.05rem; }
.about-text p:first-of-type { margin-top: 1.75rem; }
.about-visual {
    justify-self: center;
    width: min(100%, 340px);
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    background: var(--brand-ribs), var(--brand-light);
    display: grid; place-items: center;
    box-shadow: 0 40px 80px -40px rgba(47, 107, 255, 0.45);
}
.about-visual img { width: 38%; height: auto; filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.35)); }

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    background: #02050c;
    padding: 4.5rem 0 2rem;
    font-size: 0.925rem;
}
.footer-content { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 3rem; margin-bottom: 3.5rem; }
.footer-brand p { color: var(--text-secondary); margin-top: 1.1rem; max-width: 300px; }
.footer-legal { margin-top: 1rem; font-size: 0.85rem; color: var(--text-muted); }
.footer-col h4 { color: #fff; margin-bottom: 1.1rem; font-size: 0.925rem; letter-spacing: -0.01em; }
.footer-col p, .footer-col a { color: var(--text-secondary); display: block; margin-bottom: 0.5rem; }
.footer-col a:hover { color: #fff; }
.copyright {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
    color: var(--text-muted); font-size: 0.85rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-color);
}
.copyright a:hover { color: #fff; }

/* Content is always visible (full-page captures by reviewers); no fade-in */
.reveal { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .pulse { animation: none; }
    .card, .btn { transition: none; }
}

/* Legal pages */
.legal-page { padding: 140px 0 6rem; }
.legal-page .container { max-width: 800px; }
.back-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; margin-bottom: 2.25rem; }
.back-link:hover { color: #fff; }
.legal-page h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
.legal-page .updated { color: var(--text-muted); margin-top: 0.75rem; font-size: 0.925rem; }
.legal-page .intro { margin-top: 1.75rem; font-size: 1.125rem; color: #c3cde3; }
.legal-page h2 { font-size: 1.35rem; letter-spacing: -0.025em; margin: 2.75rem 0 0.9rem; }
.legal-page p, .legal-page li { color: var(--text-secondary); margin-top: 0.85rem; }
.legal-page ul { margin-top: 0.5rem; }
.legal-page li { padding-left: 1.4rem; position: relative; margin-top: 0.55rem; }
.legal-page li::before { content: ''; position: absolute; left: 0.2rem; top: 0.72em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.legal-page a { color: var(--accent-light); }
.legal-page a.btn { color: #fff; }
.callout {
    margin-top: 2rem;
    padding: 1.4rem 1.6rem;
    border: 1px solid rgba(77, 141, 255, 0.3);
    background: var(--accent-soft);
    border-radius: var(--radius-md);
    color: #dbe6ff !important;
}
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2.25rem; }
.contact-grid .card { padding: 1.6rem; }
.contact-grid .card .label { font-size: 0.825rem; font-weight: 500; color: var(--text-muted); }
.contact-grid .card .value { font-size: 1.075rem; font-weight: 500; color: #fff; margin-top: 0.4rem; word-break: break-word; }
.contact-grid .card .value a { color: #fff; }
.contact-grid .card .value a:hover { color: var(--accent-light); }

/* Responsive */
@media (max-width: 1024px) {
    .footer-content { grid-template-columns: 1fr 1fr; }
    .method-layout { grid-template-columns: 1fr; gap: 3rem; }
    .method-layout .section-header { position: static; }
}

@media (max-width: 860px) {
    .menu-btn { display: block; }
    .nav-links {
        display: none;
        flex-direction: column; align-items: flex-start;
        position: absolute; top: 100%; left: 0; width: 100%;
        background: #04070f;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        gap: 1.25rem;
    }
    .menu-open .nav-links { display: flex; }
    .nav-links .btn { width: 100%; }
    .grid-3 { grid-template-columns: 1fr; }
    .split-section { grid-template-columns: 1fr; gap: 3rem; }
    .about-visual { width: 220px; }
}

@media (max-width: 600px) {
    .container { padding: 0 1rem; }
    .section-padding { padding: 5rem 0; }
    .hero { padding-top: 120px; min-height: auto; }
    .hero-btns { flex-direction: column; }
    .btn { width: 100%; }
    .steps-container { grid-template-columns: 1fr; }
    .mission-box { padding: 3rem 1.5rem; }
    .cta { padding: 3rem 1.5rem; }
    .footer-content { grid-template-columns: 1fr; gap: 2.25rem; }
    .contact-grid { grid-template-columns: 1fr; }
}