:root {
    --bg: #07111f;
    --bg-soft: #0e1b2f;
    --bg-card: rgba(14, 27, 47, 0.88);
    --text: #f8fbff;
    --muted: #b2c1d5;
    --line: rgba(255, 255, 255, 0.1);
    --brand: #18a0fb;
    --brand-2: #37d0c9;
    --accent: #ffd166;
    --success: #67e8a5;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
    --gradient: linear-gradient(135deg, #18a0fb 0%, #37d0c9 100%);
    --hero: radial-gradient(circle at top left, rgba(24, 160, 251, 0.28), transparent 40%), radial-gradient(circle at top right, rgba(55, 208, 201, 0.18), transparent 30%), linear-gradient(180deg, #081324 0%, #07111f 100%);
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.5), transparent 85%);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(var(--max), calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px);
    background: rgba(7, 17, 31, 0.82);
    border-bottom: 1px solid var(--line);
}

.nav {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.brand img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.35rem;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.brand-text strong {
    font-size: 1.15rem;
}

.brand-text span {
    font-family: "Manrope", sans-serif;
    font-size: 0.74rem;
    color: var(--muted);
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.nav-links,
.footer-links,
.inline-links,
.legal-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.nav-links a:hover,
.footer-links a:hover,
.inline-links a:hover,
.legal-links a:hover {
    color: var(--brand-2);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 48px;
    padding: 0.85rem 1.3rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.button-secondary {
    border-color: rgba(148, 163, 184, 0.2);
    background: transparent;
    color: var(--text);
}

.button-ghost {
    border-color: var(--line);
    color: var(--muted);
}

.button-secondary:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.4rem;
    cursor: pointer;
}

.hero {
    background: var(--hero);
    padding: 4.5rem 0 3.5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: center;
}

.eyebrow,
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    background: rgba(24, 160, 251, 0.12);
    color: #8fddff;
    border: 1px solid rgba(24, 160, 251, 0.18);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.hero h1,
.page-hero h1 {
    margin: 1.3rem 0 1rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(2.6rem, 6vw, 4.8rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

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

.hero p,
.page-hero p,
.section-head p,
.card p,
.copy p,
.legal-content p,
.legal-content li {
    color: var(--muted);
}

.hero-copy {
    max-width: 660px;
    font-size: 1.08rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin: 2rem 0 2.4rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.stat {
    padding: 1rem 1.15rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.03);
}

.stat strong {
    display: block;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.8rem;
}

.hero-panel,
.card,
.feature-card,
.investor-card,
.value-card,
.contact-panel,
.legal-card {
    border: 1px solid var(--line);
    background: var(--bg-card);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 1.4rem;
}

.hero-panel-stack {
    display: grid;
    gap: 1rem;
}

.signal-card {
    border-radius: 22px;
    padding: 1.35rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.1);
}

.signal-card strong,
.value-card h3,
.feature-card h3,
.investor-card span,
.legal-content h2,
.legal-content h3,
.section-head h2 {
    font-family: "Space Grotesk", sans-serif;
}

.signal-card strong {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 0.3rem;
}

.signal-grid,
.feature-grid,
.investor-grid,
.value-grid,
.info-grid,
.footer-grid {
    display: grid;
    gap: 1.2rem;
}

.signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section,
.page-section {
    padding: 4.75rem 0;
}

.section-head {
    max-width: 720px;
    margin-bottom: 2rem;
}

.section-head h2 {
    margin: 1rem 0 0.8rem;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.03;
    letter-spacing: -0.04em;
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.value-card,
.contact-panel,
.legal-card {
    padding: 1.5rem;
}

.feature-card ul,
.legal-content ul {
    margin: 0.8rem 0 0;
    padding-left: 1.1rem;
    color: var(--muted);
}

.split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
}

.investors {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.investor-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.investor-card {
    min-height: 130px;
    padding: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.investor-card span {
    font-size: 1.5rem;
    line-height: 1;
    letter-spacing: -0.04em;
}

.investor-card small {
    display: block;
    margin-top: 0.55rem;
    color: var(--muted);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.logo-samsung span { font-weight: 700; letter-spacing: -0.05em; }
.logo-vc span { font-size: 1.3rem; }
.logo-lionrock span { font-size: 1.35rem; }
.logo-sosv span { font-size: 1.7rem; color: #8fddff; }
.logo-accretio span { font-size: 1.3rem; }
.logo-9u span { font-size: 1.5rem; }

.page-hero {
    padding: 4rem 0 2rem;
    background: var(--hero);
}

.copy {
    display: grid;
    gap: 1rem;
    max-width: 820px;
}

.value-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 3rem 0 2rem;
    background: #050d18;
}

.footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 1rem 0;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}

.footer-links,
.inline-links,
.legal-links {
    display: grid;
    gap: 0.7rem;
    color: var(--muted);
}

.legal-bar {
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.92rem;
}

.footer-bottom {
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.92rem;
}

.legal-shell {
    padding: 2rem 0 4rem;
}

.legal-card {
    max-width: 920px;
}

.legal-content h2 {
    margin: 2rem 0 0.6rem;
    font-size: 1.55rem;
}

.legal-content h1 {
    margin: 1rem 0 0.8rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.legal-content h3 {
    margin: 1.3rem 0 0.45rem;
    font-size: 1.12rem;
}

.legal-content p,
.legal-content li {
    margin: 0.4rem 0;
}

.mobile-toggle {
    display: none;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 17, 31, 0.98);
    z-index: 999;
    padding: 5.5rem 1.5rem 1.5rem;
    flex-direction: column;
    gap: 1rem;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line);
}

.mobile-menu-close {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.4rem;
    cursor: pointer;
}

@media (max-width: 980px) {
    .hero-grid,
    .feature-grid,
    .split,
    .value-grid,
    .info-grid,
    .footer-grid,
    .investor-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 760px) {
    .nav {
        padding: 0.9rem 0;
    }

    .nav-links {
        display: none;
    }

    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: inline-flex;
    }

    .brand-text strong {
        font-size: 1rem;
    }

    .brand-text span {
        font-size: 0.68rem;
    }

    .stats,
    .signal-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 2.5rem;
    }

    .mobile-menu .button {
        min-height: 44px;
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
        width: 100%;
        margin-top: 0.5rem;
    }
}