:root {
    --bg: #fdfbf7;
    --text: #111;
    --text-secondary: #3a3a3a;
    --text-muted: #888;
    --border: rgba(0, 0, 0, 0.08);
    --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    --sans: 'Fustat', -apple-system, 'Segoe UI', sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.page {
    min-height: 100vh;
    max-width: 780px;
    margin: 0 auto;
    padding: 104px 40px 140px;
}


/* ─── Nav ─── */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 40px;
    display: flex;
    justify-content: flex-start;
    background: rgba(253, 251, 247, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.logo {
    display: block;
}

.logo-icon {
    height: 28px;
    width: auto;
    display: block;
}


/* ─── Hero ─── */

.hero {
    padding-bottom: 80px;
    margin-bottom: 80px;
    border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.hero h1 {
    font-size: clamp(2rem, 3.6vw, 2.8rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 40px;
    max-width: 640px;
}

.hero-copy {
    max-width: 640px;
}

.hero-copy p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
    font-weight: 400;
}

.hero-copy p:first-child {
    font-size: 1.02rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.005em;
}

.hero-copy p:nth-child(2) {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.01em;
    color: var(--text-muted);
    margin-top: 20px;
    margin-bottom: 12px;
    line-height: 2.2;
}

.hero-copy p:last-child {
    margin-bottom: 0;
    color: var(--text);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}


/* ─── Section Labels ─── */

.block-label {
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.label-num {
    font-size: 0.58rem;
    opacity: 0.4;
}


/* ─── Content Grid (The Shift / Our Direction) ─── */

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    margin-bottom: 88px;
}

.section-card {
    padding: 0;
    background: transparent;
    border: none;
}


/* ─── Sections ─── */

.section {
    margin-bottom: 88px;
}

.section-feature {
    border-top: 1px solid var(--border);
    padding-top: 48px;
}


/* ─── Body Text ─── */

.block p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 16px;
    font-weight: 400;
}

.block p:last-child {
    margin-bottom: 0;
}

.block strong {
    color: var(--text);
    font-weight: 700;
}


/* ─── Tech Stack ─── */

.tech-list {
    border-top: 1px solid var(--border);
    counter-reset: tech;
}

.tech-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-secondary);
    font-weight: 400;
    display: flex;
    align-items: baseline;
    gap: 16px;
    counter-increment: tech;
}

.tech-item::before {
    content: counter(tech, lower-roman);
    font-family: var(--mono);
    font-size: 0.58rem;
    color: var(--text-muted);
    opacity: 0.5;
    min-width: 20px;
    text-align: right;
    flex-shrink: 0;
}

.tech-item.tech-summary {
    color: var(--text);
    font-weight: 600;
    border-bottom: none;
    padding-top: 20px;
}

.tech-item.tech-summary::before {
    content: "→";
    font-size: 0.72rem;
    opacity: 0.7;
    color: var(--text);
}


/* ─── What This Is Not ─── */

.not-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.not-card {
    padding: 14px 0;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.not-card::before {
    content: "×";
    font-family: var(--mono);
    font-size: 0.68rem;
    opacity: 0.45;
    flex-shrink: 0;
}

.not-card:last-child {
    border-bottom: none;
}

.not-card.emphasis {
    color: var(--text);
    font-weight: 600;
    padding-top: 24px;
    border-bottom: none;
}

.not-card.emphasis::before {
    content: "→";
    font-size: 0.72rem;
    opacity: 0.7;
    color: var(--text);
}


/* ─── Closing / Vision ─── */

.closing {
    border-top: 1px solid var(--border);
    padding-top: 48px;
}


/* ─── Final Statement ─── */

.final-statement {
    margin-top: 96px;
    padding-top: 56px;
    border-top: 1px solid var(--border);
}

.final-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.final-headline {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.35;
    margin-bottom: 16px;
    max-width: 560px;
}

.final-tagline {
    font-size: 0.92rem;
    line-height: 1.85;
    color: var(--text);
    font-weight: 500;
}


/* ─── Contact ─── */

.contact {
    margin-top: 88px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.contact-label {
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.contact a {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.contact a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}


/* ─── Page Load ─── */

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main {
    animation: reveal 0.6s ease-out;
}


/* ─── Responsive ─── */

@media (max-width: 900px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 56px;
    }
}

@media (max-width: 600px) {
    html {
        font-size: 15px;
    }

    .page {
        padding: 88px 24px 80px;
    }

    .nav {
        padding: 16px 24px;
    }

    .hero {
        padding-bottom: 56px;
        margin-bottom: 56px;
    }

    .hero h1 {
        font-size: 1.65rem;
        line-height: 1.2;
        margin-bottom: 28px;
    }

    .hero-copy p {
        font-size: 0.92rem;
    }

    .hero-copy p:nth-child(2) {
        font-size: 0.74rem;
        margin-top: 16px;
    }

    .section {
        margin-bottom: 64px;
    }

    .section-feature {
        padding-top: 36px;
    }

    .content-grid {
        gap: 48px;
        margin-bottom: 64px;
    }

    .final-statement {
        margin-top: 64px;
        padding-top: 36px;
    }

    .closing {
        padding-top: 36px;
    }

    .contact {
        margin-top: 64px;
    }
}