/* ==========================================================================
   SVAFF Films — film-detail.css
   Premium film detail page. BEM methodology. Material Design spacing system.
   Design language: dark cinema, gold accents, editorial typography.
   Extends tokens from films.css (--films-* custom properties).
   ========================================================================== */

/* ── Material Design 3 spacing scale (local overrides) ──────────────────────
   Base unit: 4px. All spacing is a multiple of 4.
   sp-1=4  sp-2=8  sp-3=12  sp-4=16  sp-5=20  sp-6=24
   sp-8=32 sp-10=40 sp-12=48 sp-16=64 sp-20=80 sp-24=96
   ─────────────────────────────────────────────────────────────────────────── */

/* ── Fluid typography scale ──────────────────────────────────────────────────
   Uses clamp(min, preferred, max) for seamless viewport scaling.
   Eyebrow:  0.68rem → 0.72rem
   Meta:     0.78rem → 0.85rem
   Body:     1.00rem → 1.10rem
   Director: 1.05rem → 1.20rem
   Title:    clamp(2.2rem, 5vw, 4rem)
   ─────────────────────────────────────────────────────────────────────────── */

/* ══════════════════════════════════════════════════════════════════════════════
   BACK NAV
   ══════════════════════════════════════════════════════════════════════════ */
.film-detail__breadcrumb {
    padding-block: var(--films-space-8) 0;
}

.film-detail__back {
    display: inline-flex;
    align-items: center;
    gap: var(--films-space-2);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--films-text-tertiary);
    text-decoration: none;
    transition: color 0.25s ease, gap 0.25s var(--films-ease-out);
}

.film-detail__back svg {
    flex-shrink: 0;
    transition: transform 0.25s var(--films-ease-out);
}

.film-detail__back:hover {
    color: var(--films-gold);
}

.film-detail__back:hover svg {
    transform: translateX(-3px);
}

/* ══════════════════════════════════════════════════════════════════════════════
   HERO — cinematic full-bleed band
   ══════════════════════════════════════════════════════════════════════════ */
.film-detail__hero {
    position: relative;
    padding-block: var(--films-space-12) var(--films-space-20);
    margin-block: var(--films-space-8) 0;
    overflow: hidden;
}

/* Ambient gradient behind the hero — deep navy → transparent */
.film-detail__hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(191,168,84,0.04) 0%, transparent 70%),
        linear-gradient(180deg, var(--films-surface-2) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* Horizontal rule below hero */
.film-detail__hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--films-gold-border) 20%,
        var(--films-gold-border) 80%,
        transparent 100%
    );
}

.film-detail__hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 300px 1fr;
    grid-template-areas: "poster info";
    gap: var(--films-space-16);
    align-items: flex-start;
}

.film-detail__poster-wrap {
    grid-area: poster;
    position: sticky;
    top: var(--films-space-10);
}

.film-detail__info {
    grid-area: info;
    display: flex;
    flex-direction: column;
    gap: var(--films-space-6);
    padding-top: var(--films-space-2);
}

@media (max-width: 900px) {
    .film-detail__hero-inner {
        grid-template-columns: 220px 1fr;
        grid-template-areas: "poster info";
        gap: var(--films-space-10);
    }
}

@media (max-width: 640px) {
    .film-detail__hero-inner {
        grid-template-columns: 1fr;
        grid-template-areas:
            "poster"
            "info";
        gap: var(--films-space-8);
    }

    .film-detail__hero {
        padding-block: var(--films-space-8) var(--films-space-16);
    }
}

/* ══════════════════════════════════════════════════════════════════════════════
   POSTER
   ══════════════════════════════════════════════════════════════════════════ */

/* Glow halo behind the poster */
.film-detail__poster-wrap::before {
    content: '';
    position: absolute;
    inset: -16px;
    background: radial-gradient(ellipse at center, rgba(191,168,84,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.film-detail__poster {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    display: block;
    box-shadow:
        0 4px 16px rgba(0,0,0,0.4),
        0 20px 60px rgba(0,0,0,0.55),
        0 0 0 1px var(--films-gold-border);
    transition: box-shadow 0.4s var(--films-ease-out);
}

.film-detail__poster:hover {
    box-shadow:
        0 8px 24px rgba(0,0,0,0.5),
        0 32px 80px rgba(0,0,0,0.65),
        0 0 0 1px rgba(191,168,84,0.35);
}

/* Poster placeholder — shown when no image available */
.film-detail__poster-placeholder {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 2 / 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--films-space-4);
    background: var(--films-surface-1);
    border: 1px solid var(--films-gold-border);
    color: var(--films-text-tertiary);
}

.film-detail__poster-placeholder::after {
    content: 'Poster coming soon';
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--films-text-tertiary);
    opacity: 0.6;
}

@media (max-width: 640px) {
    .film-detail__poster-wrap {
        position: static;
        max-width: 200px;
        margin: 0 auto;
    }
}

/* When no poster image — placeholder collapses, info spans full width */
.film-detail__hero--no-poster .film-detail__hero-inner {
    grid-template-columns: 1fr;
    grid-template-areas: "info";
}

.film-detail__hero--no-poster .film-detail__poster-wrap {
    display: none;
}

.film-detail__hero--no-poster .film-detail__info {
    max-width: 680px;
}

.film-detail__hero--no-poster .film-detail__title {
    font-size: clamp(2.4rem, 5vw, 4.5rem);
}
/* ── Eyebrow row: category + status badges ────────────────────────────────── */
.film-detail__eyebrow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--films-space-2);
}

.film-detail__badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem var(--films-space-3);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    line-height: 1;
    white-space: nowrap;
}

.film-detail__badge--category {
    background: transparent;
    border: 1px solid var(--films-gold-border);
    color: var(--films-gold);
}

.film-detail__badge--status {
    background: var(--films-gold-dim);
    border: 1px solid rgba(191,168,84,0.3);
    color: var(--films-gold);
}

.film-detail__badge--winner {
    background: var(--films-gold);
    border: 1px solid var(--films-gold);
    color: #010f17;
}

/* ── Title ────────────────────────────────────────────────────────────────── */
.film-detail__title {
    font-size: clamp(2rem, 4.5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.025em;
    color: var(--films-text-primary);
    margin: 0;
    /* Optical hanging punctuation for titles starting with quotes */
    hanging-punctuation: first;
}

/* ── Director line ────────────────────────────────────────────────────────── */
.film-detail__director {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    font-weight: 400;
    color: var(--films-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.film-detail__director strong {
    color: var(--films-text-primary);
    font-weight: 600;
}

/* ── Divider ──────────────────────────────────────────────────────────────── */
.film-detail__divider {
    width: 48px;
    height: 1px;
    background: linear-gradient(90deg, var(--films-gold) 0%, transparent 100%);
    flex-shrink: 0;
}

/* ── Meta grid — Material Design data table feel ──────────────────────────── */
.film-detail__meta {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: var(--films-space-4) var(--films-space-6);
    margin: 0;
    padding: var(--films-space-5) 0;
    border-top: 1px solid var(--films-gold-border);
    border-bottom: 1px solid var(--films-gold-border);
}

.film-detail__meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--films-space-1);
}

.film-detail__meta-item dt {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--films-text-tertiary);
    line-height: 1;
}

.film-detail__meta-item dd {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--films-text-primary);
    margin: 0;
    line-height: 1.4;
}

/* ── Actions ──────────────────────────────────────────────────────────────── */
.film-detail__actions {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--films-space-3);
    padding-top: var(--films-space-2);
}

/* Primary CTA — gold fill */
.film-detail__trailer-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--films-space-3);
    padding: 0 var(--films-space-10);
    height: 52px;
    min-width: 180px;
    background: var(--films-gold);
    color: #010f17;
    border: none;
    font-family: var(--font-family);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    flex-shrink: 0;
    transition: background 0.25s ease, transform 0.25s var(--films-ease-out), box-shadow 0.25s ease;
}

/* Ripple shimmer on hover */
.film-detail__trailer-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.film-detail__trailer-btn:hover {
    background: #d4c06a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(191,168,84,0.25);
}

.film-detail__trailer-btn:hover::after {
    opacity: 1;
}

.film-detail__trailer-btn:active {
    transform: translateY(0);
}

/* Play icon circle */
.film-detail__trailer-btn__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(1,15,23,0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Secondary — ghost outline */
.film-detail__share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--films-space-2);
    padding: 0 var(--films-space-6);
    height: 52px;
    background: transparent;
    border: 1px solid rgba(191,168,84,0.25);
    color: var(--films-text-tertiary);
    font-family: var(--font-family);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition:
        border-color 0.25s ease,
        color 0.25s ease,
        background 0.25s ease,
        transform 0.25s var(--films-ease-out);
}

.film-detail__share-btn:hover {
    border-color: var(--films-gold);
    color: var(--films-gold);
    background: var(--films-gold-glow);
    transform: translateY(-2px);
}

.film-detail__share-btn:active {
    transform: translateY(0);
}

.film-detail__share-btn--copied {
    border-color: var(--films-gold);
    color: var(--films-gold);
    background: var(--films-gold-glow);
}

/* ══════════════════════════════════════════════════════════════════════════════
   BODY — synopsis, bio, related
   ══════════════════════════════════════════════════════════════════════════ */
.film-detail__body {
    padding-block: var(--films-space-16) var(--films-space-24);
    display: grid;
    grid-template-columns: 1fr min(720px, 100%);
    /* Full-bleed on left, content-width on right */
}

/* Two-column body layout on wide screens */
@media (min-width: 960px) {
    .film-detail__body {
        grid-template-columns: 1fr;
        max-width: 740px;
    }
}

.film-detail__section {
    margin-bottom: var(--films-space-12);
}

.film-detail__section:last-child {
    margin-bottom: 0;
}

/* Section label — editorial style, gold rule */
.film-detail__section-label {
    display: flex;
    align-items: center;
    gap: var(--films-space-3);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--films-gold);
    margin: 0 0 var(--films-space-5) 0;
}

.film-detail__section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--films-gold-border) 0%, transparent 100%);
}

/* Synopsis */
.film-detail__synopsis {
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.82;
    color: var(--films-text-secondary);
    margin: 0;
    font-weight: 400;
    /* Optical margin for leading punctuation */
    hanging-punctuation: first;
}

/* Filmmaker bio */
.film-detail__bio {
    font-size: clamp(0.9rem, 1.2vw, 1rem);
    line-height: 1.78;
    color: var(--films-text-secondary);
    margin: 0;
    font-style: italic;
    padding-left: var(--films-space-4);
    border-left: 2px solid var(--films-gold-border);
}

/* ══════════════════════════════════════════════════════════════════════════════
   404 NOT FOUND
   ══════════════════════════════════════════════════════════════════════════ */
.film-detail__not-found {
    padding-block: var(--films-space-24);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--films-space-6);
    max-width: 560px;
}

.film-detail__not-found__code {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--films-text-tertiary);
}

.film-detail__not-found h1 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--films-text-primary);
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.film-detail__not-found p {
    font-size: 1rem;
    color: var(--films-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ══════════════════════════════════════════════════════════════════════════════
   TRAILER OVERLAY — full-screen cinematic
   ══════════════════════════════════════════════════════════════════════════ */
.trailer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(1, 8, 14, 0.96);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.35s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.trailer-overlay.is-open {
    opacity: 1;
}

.trailer-overlay[hidden] {
    display: none;
}

/* Close button — top right, large touch target */
.trailer-overlay__close {
    position: absolute;
    top: var(--films-space-6);
    right: var(--films-space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(245,245,251,0.6);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.trailer-overlay__close:hover {
    background: rgba(255,255,255,0.12);
    color: #f5f5fb;
    border-color: rgba(255,255,255,0.2);
}

/* Film title inside overlay */
.trailer-overlay__title {
    position: absolute;
    top: var(--films-space-6);
    left: var(--films-space-6);
    right: 80px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245,245,251,0.45);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Video frame */
.trailer-overlay__frame-wrap {
    width: min(960px, 92vw);
    aspect-ratio: 16 / 9;
    background: #000;
    box-shadow:
        0 0 0 1px rgba(191,168,84,0.12),
        0 40px 100px rgba(0,0,0,0.8);
    transform: scale(0.96);
    transition: transform 0.4s var(--films-ease-out);
}

.trailer-overlay.is-open .trailer-overlay__frame-wrap {
    transform: scale(1);
}

.trailer-overlay__iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
    .film-detail__meta {
        grid-template-columns: repeat(2, 1fr);
    }

    .film-detail__trailer-btn,
    .film-detail__share-btn {
        flex: 1;
        justify-content: center;
    }

    .film-detail__body {
        padding-block: var(--films-space-12) var(--films-space-16);
    }

    .trailer-overlay__close {
        top: var(--films-space-4);
        right: var(--films-space-4);
    }

    .trailer-overlay__title {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .film-detail__back svg,
    .film-detail__trailer-btn,
    .film-detail__share-btn,
    .trailer-overlay,
    .trailer-overlay__frame-wrap {
        transition: none;
    }
}