/* ============================================================
   OPTOOPTO — Global Styles  v2.1
   Design Direction: Ultra-premium AI Infrastructure Company
   Ref: Anthropic / Linear / Stripe / Vercel
   ============================================================ */

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

:root {
    /* Backgrounds */
    --bg:          #07090e;
    --bg-2:        #0b0e16;
    --bg-3:        #0f1420;
    --bg-card:     #0f1520;
    --bg-card-h:   #141a2a;

    /* Borders */
    --border:      rgba(255,255,255,0.065);
    --border-md:   rgba(255,255,255,0.10);
    --border-hi:   rgba(255,255,255,0.16);

    /* Text */
    --text:        #eef0f8;
    --text-2:      #c8ccdc;
    --text-muted:  #72788f;
    --text-dim:    #3e445a;

    /* Accent */
    --accent:      #4a7cff;
    --accent-lt:   #7aa3ff;
    --accent-glow: rgba(74,124,255,0.14);
    --purple:      #7c5fff;
    --green:       #22d065;

    /* Typography */
    --font: 'Sora', 'Inter', system-ui, sans-serif;

    /* Spacing & shape */
    --radius:    18px;
    --radius-sm: 10px;
    --radius-xs:  7px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t: 0.32s;
}

/* ── Base ─────────────────────────────────────────────────── */

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

img, svg { display: block; }

/* ── Layout ───────────────────────────────────────────────── */

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 2rem;
}

section { padding: 8rem 0; }

/* ── Typography ───────────────────────────────────────────── */

.gradient-text {
    background: linear-gradient(120deg, #6fa3ff 0%, #4a7cff 40%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-lt);
    margin-bottom: 1.1rem;
}

.section-eyebrow::before {
    content: '';
    display: block;
    width: 18px;
    height: 1px;
    background: var(--accent);
    flex-shrink: 0;
}

.section-title {
    font-size: clamp(2rem, 3.8vw, 3rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.038em;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 540px;
    line-height: 1.8;
    font-weight: 300;
}

.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-header .section-eyebrow { justify-content: center; }
.section-header .section-desc   { margin: 0 auto; }

/* ── Buttons ──────────────────────────────────────────────── */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.78rem 1.6rem;
    background: var(--accent);
    color: #fff;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    letter-spacing: -0.01em;
    transition: opacity var(--t) var(--ease),
                transform var(--t) var(--ease),
                box-shadow var(--t) var(--ease);
    box-shadow: 0 0 0 1px rgba(74,124,255,0.5),
                0 4px 20px rgba(74,124,255,0.28);
}

.btn-primary:hover {
    opacity: 0.88;
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(74,124,255,0.6),
                0 8px 32px rgba(74,124,255,0.38);
}

.btn-primary.large {
    padding: 0.95rem 2.2rem;
    font-size: 0.95rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.78rem 1.6rem;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-md);
    border-radius: var(--radius-sm);
    letter-spacing: -0.01em;
    transition: color var(--t) var(--ease),
                border-color var(--t) var(--ease),
                background var(--t) var(--ease),
                transform var(--t) var(--ease);
}

.btn-secondary:hover {
    color: var(--text);
    border-color: var(--border-hi);
    background: rgba(255,255,255,0.04);
    transform: translateY(-2px);
}

/* ── Navbar ───────────────────────────────────────────────── */

#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: background var(--t) var(--ease),
                border-color var(--t) var(--ease);
    border-bottom: 1px solid transparent;
}

#navbar.scrolled {
    background: rgba(7, 9, 14, 0.82);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: var(--border);
}

.nav-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 1.1rem 2rem;
    display: flex;
    align-items: center;
}

/* ── Logo ─────────────────────────────────────────────────── */

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    opacity: 0.95;
    transition: opacity var(--t) var(--ease);
}

.logo:hover { opacity: 1; }

.logo-svg {
    height: 26px;
    width: auto;
}

/* ── Nav links ────────────────────────────────────────────── */

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.1rem;
    margin-left: auto;
}

.nav-links a {
    padding: 0.42rem 0.8rem;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: var(--text-muted);
    border-radius: var(--radius-xs);
    transition: color var(--t) var(--ease), background var(--t) var(--ease);
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.045);
}

.nav-links .nav-cta {
    background: rgba(74,124,255,0.12);
    border: 1px solid rgba(74,124,255,0.30);
    color: var(--accent-lt);
    padding: 0.42rem 1rem;
    border-radius: var(--radius-xs);
    font-weight: 600;
    margin-left: 0.75rem;
    transition: background var(--t) var(--ease),
                border-color var(--t) var(--ease),
                color var(--t) var(--ease),
                transform var(--t) var(--ease);
}

.nav-links .nav-cta:hover {
    background: rgba(74,124,255,0.22);
    border-color: rgba(74,124,255,0.5);
    color: #fff;
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}

.hamburger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: var(--t) var(--ease);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 2rem 1.5rem;
    border-top: 1px solid var(--border);
    background: rgba(7, 9, 14, 0.97);
    backdrop-filter: blur(24px);
}

.mobile-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    transition: color var(--t) var(--ease);
}

.mobile-link:hover { color: var(--text); }

.mobile-cta {
    color: var(--accent-lt) !important;
    border-bottom: none;
    margin-top: 0.5rem;
    font-weight: 600;
}

/* ── Hero ─────────────────────────────────────────────────── */

#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

#heroCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* soft ambient glow */
#hero::before {
    content: '';
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(74,124,255,0.09) 0%, transparent 68%);
    z-index: 1;
    pointer-events: none;
}

/* fade to body */
#hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 220px;
    background: linear-gradient(to bottom, transparent, var(--bg));
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
    padding-top: 5rem;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(74,124,255,0.08);
    border: 1px solid rgba(74,124,255,0.20);
    border-radius: 100px;
    padding: 0.32rem 0.9rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--accent-lt);
    text-transform: uppercase;
    margin-bottom: 2.25rem;
}

.badge-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

.hero-title {
    font-size: clamp(3rem, 7.5vw, 6rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.045em;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-subtitle {
    font-size: clamp(0.95rem, 1.6vw, 1.08rem);
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 580px;
    margin: 0 auto 2.75rem;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.875rem;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}

/* Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.stat-num {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.055em;
    color: var(--text);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-dim);
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-top: 0.2rem;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 44px;
    background: var(--border-md);
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-line {
    width: 1px;
    height: 52px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.25), transparent);
    margin: 0 auto;
    animation: scrollFade 2.2s ease-in-out infinite;
}

@keyframes scrollFade {
    0%, 100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    50%       { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
}

/* ── Platform Section ─────────────────────────────────────── */

#platform {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.feature-card {
    background: var(--bg-card);
    padding: 2.25rem 2rem;
    position: relative;
    overflow: hidden;
    transition: background var(--t) var(--ease);
}

/* subtle top line accent on hover */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74,124,255,0.5), transparent);
    opacity: 0;
    transition: opacity var(--t) var(--ease);
}

.feature-card:hover { background: var(--bg-card-h); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74,124,255,0.09);
    border: 1px solid rgba(74,124,255,0.18);
    border-radius: 11px;
    color: var(--accent-lt);
    margin-bottom: 1.25rem;
    transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.feature-card:hover .feature-icon {
    background: rgba(74,124,255,0.16);
    border-color: rgba(74,124,255,0.32);
}

.feature-card h3 {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.6rem;
    letter-spacing: -0.015em;
}

.feature-card p {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.75;
    font-weight: 300;
}

/* ── Validation Section ───────────────────────────────────── */

#validation { background: var(--bg); }

.validation-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.validation-steps {
    margin-top: 2.75rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.val-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.val-step:last-child { border-bottom: none; }

.val-num {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.08em;
    padding-top: 0.2rem;
    flex-shrink: 0;
    min-width: 22px;
    font-variant-numeric: tabular-nums;
}

.val-content h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
    letter-spacing: -0.015em;
}

.val-content p {
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.75;
    font-weight: 300;
}

/* Audit Card */
.validation-right { display: flex; justify-content: center; }

.audit-card {
    background: var(--bg-card);
    border: 1px solid var(--border-md);
    border-radius: var(--radius);
    padding: 1.75rem;
    width: 100%;
    max-width: 370px;
    box-shadow:
        0 0 0 1px var(--border),
        0 24px 80px rgba(0,0,0,0.45),
        inset 0 1px 0 rgba(255,255,255,0.04);
}

.audit-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    color: var(--text-dim);
    font-weight: 500;
    letter-spacing: 0.03em;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.audit-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.audit-dot.green {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: blink 2.4s ease-in-out infinite;
}

.audit-strategy {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: 1.5rem;
}

.strategy-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.strategy-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.025em;
}

.audit-metrics {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 1.5rem;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
}

.metric-val {
    font-weight: 700;
    color: var(--text-2);
    font-size: 0.84rem;
    font-variant-numeric: tabular-nums;
}

.metric-val.positive { color: var(--green); }

.audit-status { margin-bottom: 1.5rem; }

.status-bar {
    height: 3px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.status-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--accent), var(--green));
    border-radius: 2px;
}

.status-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-dim);
    font-weight: 500;
}

.status-pct { color: var(--green); font-weight: 700; }

.audit-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(34,208,101,0.07);
    border: 1px solid rgba(34,208,101,0.20);
    border-radius: var(--radius-xs);
    padding: 0.42rem 0.8rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--green);
    letter-spacing: 0.04em;
}

/* ── Risk Section ─────────────────────────────────────────── */

#risk {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.risk-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: border-color var(--t) var(--ease),
                background var(--t) var(--ease),
                transform var(--t) var(--ease);
}

.risk-card::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 80px; height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74,124,255,0.08), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t) var(--ease);
}

.risk-card:hover {
    border-color: rgba(74,124,255,0.28);
    background: var(--bg-card-h);
    transform: translateY(-3px);
}

.risk-card:hover::after { opacity: 1; }

.risk-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(255,255,255,0.06);
}

.risk-icon.bot     { background: rgba(74,124,255,0.10); color: #4a7cff; }
.risk-icon.account { background: rgba(124,95,255,0.10); color: #a584ff; }
.risk-icon.monitor { background: rgba(249,115,22,0.10); color: #fb923c; }
.risk-icon.auto    { background: rgba(34,208,101,0.10); color: #22d065; }

.risk-card h3 {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.55rem;
    letter-spacing: -0.015em;
}

.risk-card p {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.75;
    font-weight: 300;
}

/* ── Team Section ─────────────────────────────────────────── */

#team { background: var(--bg); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.25rem;
    display: flex;
    gap: 1.75rem;
    align-items: flex-start;
    transition: border-color var(--t) var(--ease),
                transform var(--t) var(--ease),
                background var(--t) var(--ease);
}

.team-card:hover {
    border-color: var(--border-hi);
    background: var(--bg-card-h);
    transform: translateY(-3px);
}

.team-avatar { flex-shrink: 0; }

.avatar-initials {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #4a7cff 0%, #7c5fff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.03em;
    box-shadow: 0 4px 16px rgba(74,124,255,0.3);
}

.team-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.2rem;
    letter-spacing: -0.02em;
}

.team-role {
    font-size: 0.75rem;
    color: var(--accent-lt);
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.9rem;
}

.team-bio {
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.1rem;
    font-weight: 300;
}

.team-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.team-tags span {
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 0.22rem 0.55rem;
}

/* ── CTA Section ──────────────────────────────────────────── */

#contact {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(74,124,255,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.cta-inner {
    text-align: center;
    max-width: 580px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-inner h2 {
    font-size: clamp(2rem, 4vw, 2.85rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--text);
}

.cta-inner > p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-weight: 300;
}

.cta-actions { margin-bottom: 1.25rem; }

.cta-note {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ── Footer ───────────────────────────────────────────────── */

#footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2.5rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.footer-brand .logo { margin-bottom: 1rem; }

.footer-brand p {
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 280px;
    font-weight: 300;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-col h5 {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    font-size: 0.83rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
    transition: color var(--t) var(--ease);
    font-weight: 300;
}

.footer-col a:hover { color: var(--text-2); }

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.copyright {
    font-size: 0.78rem;
    color: var(--text-dim);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.disclaimer {
    font-size: 0.72rem;
    color: var(--text-dim);
    line-height: 1.7;
    max-width: 680px;
    font-weight: 300;
}

/* ── Reveal Animations ────────────────────────────────────── */

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

[data-delay="100"] { transition-delay: 0.10s; }
[data-delay="150"] { transition-delay: 0.15s; }
[data-delay="200"] { transition-delay: 0.20s; }
[data-delay="300"] { transition-delay: 0.30s; }
[data-delay="450"] { transition-delay: 0.45s; }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1024px) {
    .platform-grid      { grid-template-columns: repeat(2, 1fr); }

    .validation-inner   {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .validation-right   { justify-content: flex-start; }
    .audit-card         { max-width: 100%; }
}

@media (max-width: 768px) {
    section { padding: 5.5rem 0; }

    .nav-links  { display: none; }
    .hamburger  { display: flex; }
    .mobile-menu.open { display: flex; }

    .platform-grid  { grid-template-columns: 1fr; }
    .risk-grid      { grid-template-columns: 1fr; }
    .team-grid      { grid-template-columns: 1fr; }

    .team-card {
        flex-direction: column;
        gap: 1.25rem;
    }

    .hero-stats { gap: 1.5rem; }
    .stat-divider { display: none; }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.6rem; }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions a { text-align: center; }

    .section-title { font-size: 1.9rem; }

    .feature-card,
    .risk-card { padding: 1.5rem; }

    .team-card { padding: 1.5rem; }
}