/* NOIR — Dark Emotive Photography Template */
/* Design: Cinematic, high-contrast, editorial luxury */

:root {
    --bg: #0a0a0a;
    --bg-alt: #111111;
    --bg-elevated: #1a1a1a;
    --text: #f0ede8;
    --text-muted: #8a8580;
    --text-dim: #5a5550;
    --accent: #c8a96e;
    --border: #2a2a2a;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-display: 'Cormorant Garamond', serif;
    --space-sm: 16px;
    --space-md: 32px;
    --space-lg: 64px;
    --space-xl: 120px;
    --space-xxl: 180px;
    --max-width: 1200px;
    --transition: .4s cubic-bezier(.4, 0, .2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text); line-height: 1.7; font-weight: 300; font-size: 15px; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 48px;
    transition: background var(--transition), padding var(--transition);
}
.header.scrolled {
    background: rgba(10,10,10,.95);
    backdrop-filter: blur(10px);
    padding: 16px 48px;
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 300;
    letter-spacing: 6px;
}
.nav { display: flex; gap: 36px; align-items: center; }
.nav a {
    font-size: .78rem;
    letter-spacing: 1px;
    color: var(--text-muted);
    transition: color var(--transition);
}
.nav a:hover { color: var(--text); }
.nav a:last-child {
    padding: 8px 20px;
    border: 1px solid var(--text-muted);
    color: var(--text);
    transition: border-color var(--transition), background var(--transition);
}
.nav a:last-child:hover { border-color: var(--accent); background: var(--accent); color: var(--bg); }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 20px;
    position: relative;
    z-index: 1001;
}
.nav-toggle span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--text);
    transition: var(--transition);
}
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 50%; }
.nav-toggle span:nth-child(3) { bottom: 2px; }

/* --- Hero --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(.4) contrast(1.1);
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg) 0%, transparent 40%);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--space-xl) 48px;
    max-width: 700px;
}
.hero-tag {
    font-size: .7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 300;
    line-height: 1.05;
    margin-bottom: var(--space-md);
    letter-spacing: -1px;
}
.hero-sub {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 440px;
    line-height: 1.8;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 48px;
    right: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}
.hero-scroll-indicator span {
    font-size: .65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    writing-mode: vertical-rl;
}
.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--text-dim);
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--text);
    animation: scrollDown 2s infinite;
}
@keyframes scrollDown {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* --- Portfolio --- */
.portfolio {
    padding: var(--space-xxl) 48px var(--space-xl);
}
.portfolio-header {
    max-width: var(--max-width);
    margin: 0 auto var(--space-lg);
}
.portfolio-header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 300;
}
.portfolio-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.port-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.port-item img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    transition: transform .8s cubic-bezier(.4, 0, .2, 1), filter .6s;
    filter: brightness(.85);
}
.port-item:hover img {
    transform: scale(1.03);
    filter: brightness(1);
}
.port-item--feature {
    grid-column: span 2;
}
.port-item--feature img {
    aspect-ratio: 21/9;
}
.port-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 32px 28px;
    background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 100%);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .5s, transform .5s;
}
.port-item:hover figcaption { opacity: 1; transform: translateY(0); }
.port-year {
    font-size: .65rem;
    letter-spacing: 2px;
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
}
.port-item figcaption h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 4px;
}
.port-item figcaption p {
    font-size: .78rem;
    color: var(--text-muted);
}

/* --- Film Strip (Horizontal Scroll) --- */
.film-strip {
    padding: var(--space-xl) 0;
    overflow: hidden;
}
.film-header {
    max-width: var(--max-width);
    margin: 0 auto var(--space-lg);
    padding: 0 48px;
}
.film-header h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 8px;
}
.film-header p {
    color: var(--text-dim);
    font-size: .85rem;
}
.film-scroll {
    display: flex;
    gap: 12px;
    padding: 0 48px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.film-scroll::-webkit-scrollbar { display: none; }
.film-item {
    flex-shrink: 0;
    scroll-snap-align: start;
    width: 280px;
    position: relative;
}
.film-item::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    border: 2px solid var(--border);
    pointer-events: none;
}
.film-item img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    filter: grayscale(.3) brightness(.9);
    transition: filter .4s;
}
.film-item:hover img {
    filter: grayscale(0) brightness(1);
}

/* --- Approach --- */
.approach {
    padding: var(--space-xl) 48px;
    background: var(--bg-alt);
}
.approach-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: var(--space-xl);
    align-items: start;
}
.approach-text h2 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 300;
    margin-bottom: var(--space-md);
}
.approach-lead {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: var(--space-md);
    color: var(--text);
}
.approach-text p {
    color: var(--text-muted);
    font-size: .9rem;
    margin-bottom: var(--space-sm);
    line-height: 1.8;
}
.approach-image {
    position: relative;
}
.approach-image img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}
.approach-caption {
    display: block;
    margin-top: 12px;
    font-size: .7rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* --- Testimonial Band --- */
.testimonial-band {
    padding: var(--space-xl) 48px;
    text-align: center;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.testimonial-band blockquote {
    max-width: 700px;
    margin: 0 auto;
}
.testimonial-band p {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 300;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}
.testimonial-band cite {
    font-style: normal;
    font-size: .78rem;
    color: var(--text-muted);
    letter-spacing: .5px;
}

/* --- Enquire --- */
.enquire {
    padding: var(--space-xxl) 48px;
}
.enquire-inner {
    max-width: 600px;
    margin: 0 auto;
}
.enquire h2 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 300;
    margin-bottom: var(--space-sm);
}
.enquire-inner > p {
    color: var(--text-muted);
    font-size: .9rem;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}
.enquire-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.enquire-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.enquire-label {
    font-size: .65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
}
.enquire-item a, .enquire-item span {
    font-size: .9rem;
    color: var(--text-muted);
    transition: color var(--transition);
}
.enquire-item a:hover { color: var(--accent); }

.btn {
    display: inline-block;
    padding: 16px 40px;
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text);
    font-size: .78rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.btn:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg);
}

/* --- Footer --- */
.footer {
    padding: var(--space-md) 48px;
    border-top: 1px solid var(--border);
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer .logo { font-size: 1rem; }
.footer p { font-size: .72rem; color: var(--text-dim); }

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .9s cubic-bezier(.4, 0, .2, 1), transform .9s cubic-bezier(.4, 0, .2, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    :root { --space-xl: 80px; --space-xxl: 100px; }
    .header { padding: 16px 24px; }
    .header.scrolled { padding: 12px 24px; }
    .hero-content { padding: 60px 24px; }
    .hero-scroll-indicator { right: 24px; bottom: 24px; }
    .portfolio, .film-header, .approach, .enquire, .testimonial-band { padding-left: 24px; padding-right: 24px; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .port-item--feature { grid-column: span 1; }
    .port-item--feature img { aspect-ratio: 4/5; }
    .approach-inner { grid-template-columns: 1fr; }
    .enquire-details { grid-template-columns: 1fr; }
    .film-scroll { padding: 0 24px; }
    .film-item { width: 220px; }
    .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 600px) {
    .nav { display: none; position: fixed; inset: 0; background: rgba(10,10,10,.98); flex-direction: column; align-items: center; justify-content: center; gap: 36px; }
    .nav.open { display: flex; }
    .nav.open a { font-size: 1.1rem; border: none !important; padding: 0 !important; }
    .nav-toggle { display: block; }
    .hero h1 { font-size: 2.6rem; }
    .portfolio-header h2 { font-size: 1.4rem; }
    .port-item figcaption { opacity: 1; transform: none; }
    .testimonial-band p { font-size: 1.2rem; }
}