/* ============================================
   CHRISTOPHE LEYDER — SHARED STYLES
   Outfit + Manrope + Fira Code
============================================ */

:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #161618;
    --bg-card-hover: #1c1c1f;
    --text-primary: #e8e6e3;
    --text-secondary: #8a8a8d;
    --text-muted: #555558;
    --accent: #c9a96e;
    --accent-dim: #8a7548;
    --accent-glow: rgba(201, 169, 110, 0.08);
    --border: #222225;
    --border-light: #2a2a2d;
    --font-display: 'Outfit', system-ui, sans-serif;
    --font-body: 'Manrope', system-ui, sans-serif;
    --font-mono: 'Fira Code', monospace;
    --max-content: 1400px;
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-dim) var(--bg-primary);
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

/* GRAIN */
body::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.035;
    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");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ============================================
   NAV
============================================ */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.4s ease, border-bottom 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease, -webkit-backdrop-filter 0.4s ease;
    background: transparent;
    max-width: var(--max-content);
    margin-left: auto;
    margin-right: auto;
    will-change: background, backdrop-filter;
}

nav.scrolled {
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 3rem;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.02em;
}

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

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-links a.nav-highlight { font-weight: 600; }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-hamburger span {
    width: 24px;
    height: 1.5px;
    background: var(--text-secondary);
    transition: all 0.3s ease;
}

/* ============================================
   COMMON
============================================ */
.section-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 300;
    color: var(--accent-dim);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 3rem;
}

.section-title em { font-style: normal; color: var(--accent); }

.divider { width: 100%; height: 1px; background: var(--border); }

.page-section { padding: 8rem 3rem; max-width: var(--max-content); margin-left: auto; margin-right: auto; }

/* CTA */
.cta-btn {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-decoration: none;
    padding: 0.9rem 2rem;
    border-radius: 3px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.cta-btn.primary {
    background: var(--accent);
    color: var(--bg-primary);
    border: 1px solid var(--accent);
}

.cta-btn.primary:hover {
    background: transparent;
    color: var(--accent);
}

.cta-btn.secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.cta-btn.secondary:hover {
    border-color: var(--accent-dim);
    color: var(--accent);
}

/* BACK LINK */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    margin-bottom: 3rem;
}

.back-link:hover { color: var(--accent); }

/* FOOTER */
footer {
    padding: 2rem 3rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    max-width: var(--max-content);
    margin-left: auto;
    margin-right: auto;
}

footer .footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

footer p {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

footer .footer-disclaimer {
    font-family: var(--font-body);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
    text-align: center;
    max-width: 720px;
    line-height: 1.7;
    opacity: 0.6;
}

/* PROJECT CONTACT CTA */
.project-contact-cta {
    text-align: center;
    padding: 4rem 3rem;
    max-width: var(--max-content);
    margin-left: auto;
    margin-right: auto;
}

.project-contact-cta p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.project-credit {
    font-family: var(--font-body);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
    line-height: 1.7;
    opacity: 0.5;
    margin-top: 1.5rem;
}

/* ANIMATIONS */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ============================================
   PROJECT PAGE STYLES
============================================ */
.project-hero {
    padding: 10rem 3rem 4rem;
    position: relative;
    max-width: var(--max-content);
    margin-left: auto;
    margin-right: auto;
}

.project-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(201, 169, 110, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.project-meta {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.project-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.project-meta-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.project-meta-value {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.project-description {
    max-width: 720px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 2rem;
}

/* Media grid */
.media-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 1200px;
}

.media-grid.two-col { grid-template-columns: 1fr 1fr; }
.media-grid.three-col { grid-template-columns: 1fr 1fr 1fr; }
.media-grid.full { grid-template-columns: 1fr; }

.media-item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    aspect-ratio: 16 / 9;
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-item iframe {
    width: 100%;
    height: 100%;
    border: none;
    position: absolute;
    top: 0; left: 0;
}

.media-caption {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.75rem;
}

/* Before/After slider */
.ba-container {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
    aspect-ratio: 16 / 9;
    cursor: ew-resize;
    user-select: none;
}

.ba-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0; left: 0;
}

.ba-before {
    z-index: 1;
    clip-path: inset(0 50% 0 0);
}

.ba-after { z-index: 0; }

.ba-slider {
    position: absolute;
    top: 0; bottom: 0;
    left: 50%;
    width: 3px;
    background: var(--accent);
    z-index: 2;
    transform: translateX(-50%);
}

.ba-slider::after {
    content: '◄ ►';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 0.6rem;
    padding: 0.5rem 0.6rem;
    border-radius: 100px;
    white-space: nowrap;
    letter-spacing: 0.1em;
}

.ba-label {
    position: absolute;
    bottom: 1rem;
    z-index: 3;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    background: rgba(10, 10, 11, 0.7);
    padding: 0.4rem 0.8rem;
    border-radius: 3px;
    backdrop-filter: blur(8px);
}

.ba-label.before { left: 1rem; }
.ba-label.after { right: 1rem; }

/* Content blocks */
.content-block {
    max-width: 720px;
    margin-bottom: 3rem;
}

.content-block h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.content-block p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1rem;
}

/* ============================================
   SHOWREEL PAGE
============================================ */
.reel-grid {
    display: grid;
    gap: 2rem;
    max-width: 1200px;
}

.reel-grid.two-col {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.reel-item {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-card);
    transition: border-color 0.3s ease;
}

.reel-item:hover { border-color: var(--border-light); }

.reel-item-video {
    aspect-ratio: 16 / 9;
    position: relative;
}

.reel-item-video iframe {
    width: 100%;
    height: 100%;
    border: none;
    position: absolute;
    top: 0; left: 0;
}

.reel-item-info {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reel-item-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}

.reel-item-year {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.reel-item-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.25rem;
}

/* ============================================
   PRIVATE / PASSWORD
============================================ */
.password-gate {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.password-gate h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.password-gate p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    max-width: 400px;
}

.password-input-row {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.password-input {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 300;
    padding: 0.9rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    outline: none;
    width: 260px;
    transition: border-color 0.3s ease;
}

.password-input:focus { border-color: var(--accent-dim); }

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

.password-error {
    color: #c9534e;
    font-size: 0.8rem;
    margin-top: 1rem;
    display: none;
}

.password-content { display: none; }

/* ============================================
   TOOLS PAGE
============================================ */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.tool-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.tool-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.tool-card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
}

.tool-card-badge {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.75rem;
    border: 1px solid var(--accent-dim);
    border-radius: 3px;
    background: var(--accent-glow);
    white-space: nowrap;
}

.tool-card-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    max-width: 700px;
}

.tool-card-media {
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    aspect-ratio: 16 / 9;
    position: relative;
    background: var(--bg-secondary);
}

.tool-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tool-card-media iframe {
    width: 100%;
    height: 100%;
    border: none;
    position: absolute;
    top: 0; left: 0;
}

.tool-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tool-card-tag {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--accent);
    padding: 0.3rem 0.65rem;
    border: 1px solid var(--accent);
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.85;
}

.tool-card-link {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: opacity 0.3s ease;
    margin-left: 1rem;
}

.tool-card-link:hover { opacity: 0.7; }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
    nav { padding: 1.25rem 1.5rem; }
    nav.scrolled { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(10, 10, 11, 0.95);
        backdrop-filter: blur(20px);
        padding: 1.5rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
    }

    .page-section { padding: 5rem 1.5rem; }
    .project-hero { padding: 8rem 1.5rem 3rem; }
    footer { padding: 1.5rem; flex-direction: column; gap: 0.5rem; }

    .media-grid.two-col,
    .media-grid.three-col { grid-template-columns: 1fr; }

    .reel-grid.two-col { grid-template-columns: 1fr; }

    .project-meta { gap: 1.5rem; }

    .password-input-row { flex-direction: column; }
    .password-input { width: 100%; }
}