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

:root {
    --black: #08090b;
    --surface: #0f1015;
    --surface-2: #161820;
    --amber: #c8831e;
    --amber-light: #e8a84a;
    --amber-dim: #6b420e;
    --teal: #1ab3bc;
    --teal-dim: #0b5c61;
    --cream: #e4d5bc;
    --cream-dim: #8a7c68;
    --text: #d8ccb8;
    --text-muted: #6e6558;
    --border: rgba(200, 131, 30, 0.15);
    --border-dim: rgba(200, 131, 30, 0.07);
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--black);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
}

/* ── STRATA BACKGROUND ── */
.strata-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.strata-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(180deg,
            transparent 0px,
            transparent 38px,
            rgba(200, 131, 30, 0.025) 38px,
            rgba(200, 131, 30, 0.025) 39px),
        repeating-linear-gradient(180deg,
            transparent 0px,
            transparent 92px,
            rgba(26, 179, 188, 0.018) 92px,
            rgba(26, 179, 188, 0.018) 93px);
}

.strata-bg::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 131, 30, 0.06) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: driftA 18s ease-in-out infinite alternate;
}

.strata-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 179, 188, 0.05) 0%, transparent 70%);
    bottom: 30%;
    left: -150px;
    animation: driftB 22s ease-in-out infinite alternate;
}

@keyframes driftA {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(-40px, 60px);
    }
}

@keyframes driftB {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(60px, -40px);
    }
}

/* ── LAYOUT ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.section {
    padding: 6rem 0;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.2rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(8, 9, 11, 0.82);
    backdrop-filter: blur(12px);
    border-bottom: 0.5px solid var(--border);
}

.nav-logo {
    font-family: 'Cormorant', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--amber-light);
    letter-spacing: 0.05em;
    text-decoration: none;
}

.nav-logo span {
    color: var(--teal);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--cream-dim);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--amber-light);
}

.nav-cta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.55rem 1.4rem;
    background: transparent;
    border: 0.5px solid var(--amber);
    color: var(--amber-light);
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
}

.nav-cta:hover {
    background: var(--amber);
    color: var(--black);
}

/* ── HERO ── */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-depth {
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 520px;
    height: 520px;
    opacity: 0.85;
}

.hero-inner {
    max-width: 620px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal);
    border: 0.5px solid rgba(26, 179, 188, 0.3);
    padding: 0.4rem 1rem;
    margin-bottom: 2.2rem;
    animation: fadeUp 0.8s ease both;
}

.hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.7);
    }
}

h1 {
    font-family: 'Cormorant', serif;
    font-size: clamp(3.2rem, 6vw, 5.5rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--cream);
    margin-bottom: 1.8rem;
    animation: fadeUp 0.8s 0.1s ease both;
}

h1 em {
    font-style: italic;
    color: var(--amber-light);
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--cream-dim);
    max-width: 500px;
    margin-bottom: 3rem;
    animation: fadeUp 0.8s 0.2s ease both;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    animation: fadeUp 0.8s 0.3s ease both;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2.2rem;
    background: var(--amber);
    color: var(--black);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
}

.btn-primary:hover {
    background: var(--amber-light);
    transform: translateY(-1px);
}

.btn-ghost {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--cream-dim);
    text-decoration: none;
    letter-spacing: 0.05em;
    border-bottom: 0.5px solid var(--text-muted);
    padding-bottom: 1px;
    transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
    color: var(--cream);
    border-color: var(--cream-dim);
}

/* Geological core SVG */
.geo-core {
    animation: fadeIn 1.2s 0.4s ease both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── STATS BAR ── */
.stats-bar {
    border-top: 0.5px solid var(--border-dim);
    border-bottom: 0.5px solid var(--border-dim);
    padding: 2rem 0;
}

.stats-bar .container {
    display: flex;
    gap: 0;
}

.stat-item {
    flex: 1;
    padding: 0 2.5rem;
    border-right: 0.5px solid var(--border-dim);
}

.stat-item:first-child {
    padding-left: 0;
}

.stat-item:last-child {
    border-right: none;
}

.stat-num {
    font-family: 'Cormorant', serif;
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--amber-light);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ── SECTION HEADINGS ── */
.section-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 1rem;
}

h2 {
    font-family: 'Cormorant', serif;
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--cream);
    margin-bottom: 1.2rem;
}

h2 em {
    font-style: italic;
    color: var(--amber-light);
}

/* ── PROBLEM ── */
#problem {
    background: var(--surface);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.problem-text p {
    color: var(--cream-dim);
    margin-bottom: 1.2rem;
    font-size: 0.98rem;
}

.problem-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.problem-card {
    padding: 1.4rem 1.6rem;
    border: 0.5px solid var(--border);
    background: var(--surface-2);
    position: relative;
    overflow: hidden;
    transition: border-color 0.25s;
}

.problem-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--amber-dim);
    transition: background 0.25s;
}

.problem-card:hover {
    border-color: rgba(200, 131, 30, 0.3);
}

.problem-card:hover::before {
    background: var(--amber);
}

.problem-card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 0.4rem;
    letter-spacing: 0.01em;
}

.problem-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* ── FEATURES ── */
#features {
    background: var(--black);
}

.features-intro {
    max-width: 540px;
    margin-bottom: 4rem;
}

.features-intro p {
    color: var(--cream-dim);
    font-size: 0.98rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5px;
    background: var(--border);
}

.feature-card {
    background: var(--black);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
}

.feature-card:hover {
    background: var(--surface);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border: 0.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.6rem;
    transition: border-color 0.25s;
}

.feature-card:hover .feature-icon {
    border-color: var(--amber-dim);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: 0.7rem;
    letter-spacing: 0.01em;
}

.feature-card p {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.feature-tag {
    display: inline-block;
    margin-top: 1.2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    border: 0.5px solid rgba(26, 179, 188, 0.25);
    padding: 0.25rem 0.7rem;
}

/* ── ARCHITECTURE ── */
#architecture {
    background: var(--surface);
}

.arch-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: start;
}

.arch-text h2 {
    margin-bottom: 1.2rem;
}

.arch-text p {
    color: var(--cream-dim);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.arch-stack {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.arch-layer {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.1rem 1.4rem;
    border: 0.5px solid var(--border-dim);
    border-bottom: none;
    cursor: default;
    transition: background 0.2s, border-color 0.2s;
    position: relative;
}

.arch-layer:last-child {
    border-bottom: 0.5px solid var(--border-dim);
}

.arch-layer:hover {
    background: var(--surface-2);
    border-color: var(--border);
}

.arch-layer:hover+.arch-layer {
    border-top-color: var(--border);
}

.layer-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    min-width: 1.5rem;
}

.layer-label {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cream);
}

.layer-tech {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    color: var(--amber);
    letter-spacing: 0.05em;
}

.layer-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: rgba(200, 131, 30, 0.08);
    transition: width 0.3s ease;
}

.arch-layer:hover .layer-bar {
    width: 100%;
}

/* ── MARKET ── */
#market {
    background: var(--black);
}

.market-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: var(--border-dim);
}

.market-card {
    background: var(--black);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.market-card::after {
    content: attr(data-num);
    position: absolute;
    right: 2rem;
    top: 2rem;
    font-family: 'Cormorant', serif;
    font-size: 5rem;
    font-weight: 700;
    color: rgba(200, 131, 30, 0.07);
    line-height: 1;
    pointer-events: none;
}

.market-icon {
    width: 2px;
    height: 3rem;
    background: linear-gradient(180deg, var(--amber), transparent);
    margin-bottom: 1.8rem;
}

.market-card h3 {
    font-family: 'Cormorant', serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--cream);
}

.market-card p {
    font-size: 0.88rem;
    color: var(--cream-dim);
    line-height: 1.75;
    margin-bottom: 1.2rem;
}

.market-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.market-bullets li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.market-bullets li::before {
    content: '';
    width: 16px;
    height: 0.5px;
    background: var(--amber-dim);
    flex-shrink: 0;
}

/* ── CTA ── */
#cta {
    background: var(--surface);
    border-top: 0.5px solid var(--border);
    text-align: center;
}

#cta .container {
    max-width: 680px;
}

#cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.2rem;
}

#cta p {
    color: var(--cream-dim);
    font-size: 0.98rem;
    margin-bottom: 3rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.email-input-group {
    display: flex;
    gap: 0;
}

.email-input-group input {
    width: 280px;
    padding: 0.9rem 1.2rem;
    background: var(--black);
    border: 0.5px solid var(--border);
    color: var(--cream);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    outline: none;
    transition: border-color 0.2s;
}

.email-input-group input::placeholder {
    color: var(--text-muted);
}

.email-input-group input:focus {
    border-color: var(--amber-dim);
}

.email-input-group button {
    padding: 0.9rem 1.6rem;
    background: var(--amber);
    color: var(--black);
    border: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s;
}

.email-input-group button:hover {
    background: var(--amber-light);
}

/* ── FOOTER ── */
footer {
    padding: 2.5rem 2rem;
    border-top: 0.5px solid var(--border-dim);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
}

.footer-logo {
    font-family: 'Cormorant', serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--amber-dim);
}

.footer-logo span {
    color: var(--teal-dim);
}

.footer-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 1.8rem;
}

.footer-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--cream-dim);
}

/* ── SCROLL REVEAL ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}