@layer reset, tokens, base, components, utilities;

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

@layer tokens {
    :root {
        --bg-deep: #0a0a0f;
        --bg-surface: #12121a;
        --bg-elevated: #181822;
        --gold-primary: #c9a227;
        --gold-light: #e8d48b;
        --gold-dark: #8b6914;
        --gold-soft: rgba(201, 162, 39, 0.4);
        --text-primary: #f0ebe3;
        --text-muted: #9a958c;
        --text-dim: #6e6960;
        --accent-glow: rgba(201, 162, 39, 0.15);
        --card-border: rgba(139, 105, 20, 0.35);
        --card-border-hover: var(--gold-primary);
        --section-gap: clamp(3rem, 8vw, 5rem);
        --measure: 65ch;
        --radius-sharp: 2px;
        --shadow-glow: 0 0 30px var(--accent-glow);
        --transition: 0.4s ease;
    }
}

@layer base {
    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Outfit', sans-serif;
        background-color: var(--bg-deep);
        color: var(--text-primary);
        min-height: 100vh;
        overflow-x: hidden;
        line-height: 1.6;
    }

    a {
        color: var(--gold-light);
        text-decoration: none;
        transition: color var(--transition);
    }

    a:hover {
        color: var(--gold-primary);
    }

    h1, h2, h3, h4 {
        font-family: 'Cormorant Garamond', serif;
        font-weight: 600;
        line-height: 1.2;
    }

    ::selection {
        background: var(--gold-soft);
        color: var(--text-primary);
    }
}

@layer components {
    /* ── Decorative backgrounds ──────────────────────────────────────── */
    .bg-pattern {
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 0;
        opacity: 0.4;
    }

    .bg-pattern::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 800px;
        height: 800px;
        transform: translate(-50%, -50%);
        background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
        animation: pulse 8s ease-in-out infinite;
    }

    .grain {
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 100;
        opacity: 0.03;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    }

    /* ── Home page container ─────────────────────────────────────────── */
    .container {
        position: relative;
        z-index: 1;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 3rem 2rem;
    }

    /* ── Transmutation circle (home hero) ────────────────────────────── */
    .symbol-container {
        position: relative;
        width: 200px;
        height: 200px;
        margin-bottom: 3rem;
        animation: fadeInDown 1s ease-out;
    }

    .transmutation-circle {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 180px;
        height: 180px;
    }

    .transmutation-circle svg {
        width: 100%;
        height: 100%;
        overflow: visible;
    }

    .outer-ring {
        fill: none;
        stroke: var(--gold-dark);
        stroke-width: 1;
    }

    .inner-ring {
        fill: none;
        stroke: var(--gold-primary);
        stroke-width: 1.5;
        opacity: 0.7;
    }

    .element-symbols {
        fill: none;
        stroke: var(--gold-primary);
        stroke-width: 1;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .rotating-layer {
        transform-origin: center;
        animation: slowRotate 60s linear infinite;
    }

    .counter-rotate {
        transform-origin: center;
        animation: slowRotate 45s linear infinite reverse;
    }

    .center-glow {
        fill: var(--gold-primary);
        filter: url(#glow);
    }

    /* ── Brand block ─────────────────────────────────────────────────── */
    .brand {
        text-align: center;
        margin-bottom: 2rem;
        animation: fadeIn 1s ease-out 0.3s both;
    }

    .brand h1 {
        font-size: clamp(2.5rem, 8vw, 4.5rem);
        letter-spacing: 0.15em;
        color: var(--text-primary);
        text-transform: uppercase;
    }

    .brand h1 span {
        color: var(--gold-primary);
    }

    .tagline {
        font-family: 'Cormorant Garamond', serif;
        font-size: clamp(1rem, 3vw, 1.3rem);
        color: var(--text-muted);
        letter-spacing: 0.3em;
        text-transform: uppercase;
        margin-top: 0.5rem;
    }

    .content {
        max-width: 600px;
        text-align: center;
        margin-bottom: 3rem;
        animation: fadeIn 1s ease-out 0.6s both;
    }

    .content p {
        font-size: 1.1rem;
        font-weight: 300;
        color: var(--text-muted);
        line-height: 1.8;
    }

    .content .highlight {
        color: var(--gold-light);
        font-weight: 400;
    }

    .divider {
        width: 60px;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
        margin: 2rem auto;
    }

    /* ── CTA links ───────────────────────────────────────────────────── */
    .cta {
        animation: fadeIn 1s ease-out 0.9s both;
    }

    .cta-link {
        display: inline-flex;
        align-items: center;
        gap: 0.75rem;
        padding: 1rem 2.5rem;
        background: transparent;
        border: 1px solid var(--gold-dark);
        color: var(--gold-light);
        text-decoration: none;
        font-family: 'Outfit', sans-serif;
        font-size: 0.9rem;
        font-weight: 400;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        transition: all var(--transition);
        position: relative;
        overflow: hidden;
        min-height: 44px;
    }

    .cta-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
        transition: left 0.5s ease;
    }

    .cta-link:hover {
        border-color: var(--gold-primary);
        box-shadow: var(--shadow-glow);
        transform: translateY(-2px);
        color: var(--gold-light);
    }

    .cta-link:hover::before {
        left: 100%;
    }

    .cta-link svg {
        width: 18px;
        height: 18px;
        fill: currentColor;
        transition: transform 0.3s ease;
    }

    .cta-link:hover svg {
        transform: translateX(3px);
    }

    .cta-link.is-disabled {
        opacity: 0.5;
        pointer-events: none;
        cursor: not-allowed;
    }

    .cta-caption {
        display: block;
        margin-top: 0.75rem;
        font-family: 'Cormorant Garamond', serif;
        font-size: 0.85rem;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--text-dim);
    }

    /* ── Home: projects grid ─────────────────────────────────────────── */
    .projects {
        width: 100%;
        max-width: 1100px;
        margin-top: 3rem;
        animation: fadeIn 1s ease-out 1.1s both;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .projects-label {
        font-family: 'Cormorant Garamond', serif;
        font-size: 0.85rem;
        color: var(--text-muted);
        letter-spacing: 0.25em;
        text-transform: uppercase;
        margin-bottom: 1.75rem;
        opacity: 0.8;
    }

    .project-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.25rem;
        width: 100%;
    }

    .project-card {
        display: flex;
        flex-direction: column;
        gap: 0.85rem;
        padding: 1.5rem 1.4rem;
        background: var(--bg-surface);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-sharp);
        color: var(--text-primary);
        text-decoration: none;
        transition: border-color var(--transition), transform var(--transition),
            box-shadow var(--transition), background var(--transition);
        position: relative;
        overflow: hidden;
        min-height: 220px;
    }

    .project-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(110deg, transparent 30%, var(--accent-glow) 50%, transparent 70%);
        transform: translateX(-100%);
        transition: transform 0.7s ease;
        pointer-events: none;
    }

    .project-card:hover {
        border-color: var(--card-border-hover);
        transform: translateY(-3px);
        box-shadow: var(--shadow-glow);
        background: var(--bg-elevated);
        color: var(--text-primary);
    }

    .project-card:hover::before {
        transform: translateX(100%);
    }

    .project-card:focus-visible {
        outline: 1px solid var(--gold-primary);
        outline-offset: 3px;
    }

    .card-head {
        display: flex;
        align-items: center;
        gap: 0.85rem;
    }

    .card-sigil {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        display: grid;
        place-items: center;
        background: var(--bg-deep);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-sharp);
        transition: border-color var(--transition);
    }

    .card-sigil svg {
        width: 28px;
        height: 28px;
        color: var(--gold-primary);
        transition: transform 0.9s ease, color var(--transition);
    }

    .project-card:hover .card-sigil {
        border-color: var(--gold-primary);
    }

    .project-card:hover .card-sigil svg {
        transform: rotate(180deg);
        color: var(--gold-light);
    }

    .card-title {
        font-family: 'Cormorant Garamond', serif;
        font-size: 1.45rem;
        font-weight: 600;
        color: var(--gold-light);
        letter-spacing: 0.04em;
    }

    .card-essence {
        font-size: 0.78rem;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--text-muted);
    }

    .card-teaser {
        font-size: 0.92rem;
        font-weight: 300;
        line-height: 1.55;
        color: var(--text-muted);
        flex: 1;
    }

    .card-foot {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
        font-size: 0.7rem;
        letter-spacing: 0.08em;
        color: var(--gold-dark);
        text-transform: uppercase;
    }

    .card-foot .stack {
        font-family: 'Outfit', sans-serif;
        font-weight: 400;
    }

    .card-foot .chevron {
        font-size: 1rem;
        transition: transform var(--transition);
        line-height: 1;
    }

    .project-card:hover .card-foot {
        color: var(--gold-primary);
    }

    .project-card:hover .chevron {
        transform: translateX(4px);
    }

    /* ── Footer ──────────────────────────────────────────────────────── */
    footer {
        text-align: center;
        margin-top: 3rem;
        animation: fadeIn 1s ease-out 1.2s both;
    }

    footer p {
        font-size: 0.75rem;
        color: var(--text-muted);
        letter-spacing: 0.1em;
        opacity: 0.6;
    }

    /* ── Project page: top bar ───────────────────────────────────────── */
    .top-bar {
        position: sticky;
        top: 0;
        z-index: 50;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        background: rgba(10, 10, 15, 0.7);
        border-bottom: 1px solid rgba(139, 105, 20, 0.18);
    }

    .top-bar-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0.9rem 1.5rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }

    .wordmark {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        font-family: 'Cormorant Garamond', serif;
        font-size: 1.1rem;
        letter-spacing: 0.18em;
        color: var(--text-primary);
        text-transform: uppercase;
    }

    .wordmark span {
        color: var(--gold-primary);
    }

    .wordmark:hover {
        color: var(--text-primary);
    }

    .wordmark svg {
        width: 24px;
        height: 24px;
        color: var(--gold-primary);
    }

    .top-bar-actions {
        display: inline-flex;
        align-items: center;
        gap: 1rem;
    }

    .icon-link {
        display: inline-grid;
        place-items: center;
        width: 38px;
        height: 38px;
        border: 1px solid var(--card-border);
        border-radius: var(--radius-sharp);
        color: var(--gold-light);
        transition: border-color var(--transition), color var(--transition);
    }

    .icon-link svg {
        width: 18px;
        height: 18px;
        fill: currentColor;
    }

    .icon-link:hover {
        border-color: var(--gold-primary);
        color: var(--gold-primary);
    }

    /* ── Project page: structure ─────────────────────────────────────── */
    .project-page {
        position: relative;
        z-index: 1;
        max-width: 980px;
        margin: 0 auto;
        padding: 0 1.75rem 4rem;
    }

    .hero {
        position: relative;
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        gap: 2.5rem;
        padding: 4rem 0 2.5rem;
    }

    .hero-bg {
        position: absolute;
        inset: -2rem 0 -2rem 0;
        pointer-events: none;
        z-index: -1;
        display: grid;
        place-items: center;
        opacity: 0.06;
    }

    .hero-bg svg {
        width: min(520px, 80vw);
        height: auto;
        color: var(--gold-primary);
    }

    .hero-text {
        max-width: 38rem;
    }

    .hero-eyebrow {
        font-family: 'Cormorant Garamond', serif;
        font-size: 0.85rem;
        letter-spacing: 0.35em;
        text-transform: uppercase;
        color: var(--text-muted);
        margin-bottom: 0.85rem;
    }

    .hero h1 {
        font-size: clamp(2.6rem, 6vw, 4rem);
        letter-spacing: 0.04em;
        color: var(--text-primary);
        margin-bottom: 0.6rem;
    }

    .hero h1 span {
        color: var(--gold-primary);
    }

    .hero-tagline {
        font-family: 'Cormorant Garamond', serif;
        font-size: clamp(1.05rem, 2vw, 1.4rem);
        color: var(--gold-light);
        letter-spacing: 0.04em;
        font-style: italic;
    }

    .hero-sigil {
        width: clamp(110px, 14vw, 150px);
        height: clamp(110px, 14vw, 150px);
        color: var(--gold-primary);
        flex-shrink: 0;
    }

    .hero-sigil svg {
        width: 100%;
        height: 100%;
    }

    .section {
        padding: 2.5rem 0;
        scroll-margin-top: 5rem;
    }

    .section + .section {
        border-top: 1px solid rgba(139, 105, 20, 0.12);
    }

    .eyebrow {
        font-family: 'Cormorant Garamond', serif;
        font-size: 0.85rem;
        letter-spacing: 0.35em;
        text-transform: uppercase;
        color: var(--gold-primary);
        margin-bottom: 1rem;
    }

    .section h2 {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
        color: var(--text-primary);
        margin-bottom: 1.5rem;
        letter-spacing: 0.02em;
    }

    .section h3 {
        font-size: 1.4rem;
        color: var(--gold-light);
        margin: 2rem 0 0.85rem;
        letter-spacing: 0.04em;
    }

    .prose {
        max-width: var(--measure);
    }

    .prose p {
        font-size: 1.02rem;
        font-weight: 300;
        line-height: 1.8;
        color: var(--text-muted);
        margin-bottom: 1.1rem;
    }

    .prose p strong {
        color: var(--gold-light);
        font-weight: 400;
    }

    /* Feature list with gold dots */
    .feature-list {
        list-style: none;
        margin: 1.25rem 0 0;
        display: grid;
        gap: 0.65rem;
        max-width: var(--measure);
    }

    .feature-list li {
        position: relative;
        padding-left: 1.5rem;
        font-size: 0.98rem;
        font-weight: 300;
        line-height: 1.6;
        color: var(--text-muted);
    }

    .feature-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0.65em;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--gold-primary);
        box-shadow: 0 0 8px var(--accent-glow);
    }

    .feature-list li strong {
        color: var(--gold-light);
        font-weight: 400;
    }

    /* Stack definition list */
    .stack {
        display: grid;
        grid-template-columns: max-content 1fr;
        column-gap: 2rem;
        row-gap: 0.7rem;
        margin: 0;
        padding: 1.25rem 1.5rem;
        background: var(--bg-surface);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-sharp);
        max-width: var(--measure);
    }

    .stack dt {
        font-family: 'Cormorant Garamond', serif;
        font-size: 0.95rem;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--gold-primary);
    }

    .stack dd {
        font-size: 0.92rem;
        font-weight: 300;
        line-height: 1.55;
        color: var(--text-muted);
    }

    .stack dd code,
    .prose code,
    .feature-list code {
        font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
        font-size: 0.85em;
        color: var(--gold-light);
        background: rgba(201, 162, 39, 0.08);
        padding: 0.05em 0.4em;
        border-radius: 2px;
    }

    /* Visit CTA section */
    .visit {
        text-align: center;
        padding: 2.5rem 0;
    }

    /* Page footer */
    .page-footer {
        text-align: center;
        padding-top: 3rem;
        margin-top: 2rem;
        border-top: 1px solid rgba(139, 105, 20, 0.12);
    }

    .page-footer p {
        font-size: 0.75rem;
        color: var(--text-muted);
        letter-spacing: 0.18em;
        opacity: 0.55;
        text-transform: uppercase;
    }
}

@layer utilities {
    .surface {
        background: var(--bg-surface);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-sharp);
    }

    .text-gold {
        color: var(--gold-primary);
    }

    .text-light {
        color: var(--gold-light);
    }

    [data-reveal] {
        opacity: 0;
        transform: translateY(18px);
        transition: opacity 0.8s ease, transform 0.8s ease;
        will-change: opacity, transform;
    }

    [data-reveal].is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Keyframes ───────────────────────────────────────────────────── */
@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    50%      { transform: translate(-50%, -50%) scale(1.2); opacity: 0.6; }
}

@keyframes slowRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── View transitions (Chromium) ─────────────────────────────────── */
::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 0.5s;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1.25rem;
        justify-content: flex-start;
    }

    .symbol-container {
        width: 160px;
        height: 160px;
        margin-bottom: 2rem;
    }

    .transmutation-circle {
        width: 150px;
        height: 150px;
    }

    .content p {
        font-size: 1rem;
    }

    .cta-link {
        padding: 0.875rem 2rem;
        font-size: 0.85rem;
    }

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

    .hero {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2.5rem 0 1.5rem;
        text-align: left;
    }

    .hero-sigil {
        order: -1;
        width: 90px;
        height: 90px;
    }

    .stack {
        grid-template-columns: 1fr;
        row-gap: 0.25rem;
    }

    .stack dt {
        margin-top: 0.75rem;
    }

    .stack dt:first-child {
        margin-top: 0;
    }
}

@media (max-width: 480px) {
    .brand h1 {
        letter-spacing: 0.08em;
    }

    .tagline {
        letter-spacing: 0.15em;
        font-size: 0.85rem;
    }

    .top-bar-inner {
        padding: 0.75rem 1rem;
    }

    .wordmark {
        font-size: 0.95rem;
        letter-spacing: 0.12em;
    }

    .wordmark .wordmark-text {
        display: none;
    }

    .project-page {
        padding: 0 1.1rem 3rem;
    }

    .section {
        padding: 1.75rem 0;
    }
}

/* ── Reduced motion ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .bg-pattern::before,
    .rotating-layer,
    .counter-rotate {
        animation: none !important;
    }

    .project-card:hover .card-sigil svg {
        transform: none;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}