/*
Theme Name:  Chăm Film
Theme URI:   https://chamfilm.vn
Description: Theme điện ảnh cho studio phim tài liệu thiên nhiên Chăm Film — Tales of Nature
Author:      Chăm Film Studio
Author URI:  https://chamfilm.vn
License:     GNU General Public License v2 or later
Text Domain: chamfilm
Tags:        dark-mode, custom-logo, portfolio, full-width-template, custom-menu, block-styles, editor-style, wide-blocks
Requires at least: 6.5
Requires PHP: 8.0
Version:     5.4.0
*/

/* ─── Design Tokens ─── */
:root {
  --forest:   #1C3A2E;
  --fog:      #2D4A3E;
  --stone:    #5A6B60;
  --mist:     #8B9E95;
  --snow:     #FAFAFA;
  --obsidian: #0A0A0A;
  --charcoal: #141414;
  /* Vàng đồng — màu nhấn duy nhất của thiết kế. Dùng cho tiêu đề lớn,
     nút chính và các chi tiết cần bắt mắt trên nền tối. */
  --gold:      #D9A441;
  --gold-warm: #E8BE6A;
  --gold-deep: #A8761F;
  /* Vàng đủ tối để chữ nhỏ trên nền kem vẫn đạt WCAG AA 4.5:1.
     #D9A441 chỉ được 1.96:1 và #A8761F được 3.47:1 — cả hai đều trượt. */
  --gold-ink:  #7A5514;

  /* Light mode (default) */
  --canvas:      #F2EFE9;
  --surface:     #E8E4DC;
  --elevated:    #DDDAD3;
  --ink:         #141414;
  /* Độ mờ đã nâng để đạt tương phản WCAG AA (≥4.5:1) trên nền kem */
  --ink-dim:     rgba(20,20,20,0.70);
  --ink-subtle:  rgba(20,20,20,0.62);
  --divider:     rgba(20,20,20,0.12);
  --divider-mid: rgba(20,20,20,0.22);
  --navbar-bg:   rgba(242,239,233,0.88);
  --footer-bg:   #1A1A1A;
  --border-mist: rgba(90,107,96,0.22);
  --accent:      #1C3A2E;
}

.dark {
  --canvas:      #0A0A0A;
  --surface:     #141414;
  --elevated:    #1E1E1E;
  --ink:         #FAFAFA;
  --ink-dim:     rgba(250,250,250,0.72);
  --ink-subtle:  rgba(250,250,250,0.58);
  --divider:     rgba(255,255,255,0.10);
  --divider-mid: rgba(255,255,255,0.20);
  --navbar-bg:   rgba(10,10,10,0.82);
  --footer-bg:   #141414;
  --border-mist: rgba(139,158,149,0.28);
  --accent:      #2D4A3E;
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: 0.25s;
  transition-timing-function: ease;
}

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
  font-size: 16px;
}

body {
  background-color: var(--canvas);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--mist);
  outline-offset: 4px;
  border-radius: 2px;
}

::-webkit-scrollbar         { width: 4px; }
::-webkit-scrollbar-track   { background: var(--canvas); }
::-webkit-scrollbar-thumb   { background: var(--stone); border-radius: 2px; }

/* ─── Fonts ─── */
.font-display { font-family: 'Barlow Condensed', 'Barlow', sans-serif; }

/* ─── Animations ─── */
@keyframes kenBurns {
  0%   { transform: scale(1.05) translate(0, 0); }
  33%  { transform: scale(1.10) translate(-0.8%, 0.4%); }
  66%  { transform: scale(1.08) translate(0.6%, -0.5%); }
  100% { transform: scale(1.05) translate(0, 0); }
}
@keyframes scrollPulse {
  0%, 100% { transform: translateY(0);    opacity: 0.45; }
  50%       { transform: translateY(10px); opacity: 1; }
}
@keyframes shimmer {
  0%   { background-position: -800px 0; }
  100% { background-position:  800px 0; }
}
@keyframes toastSlideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
@keyframes playPulse {
  0%   { box-shadow: 0 0 0 0   rgba(255,255,255,0.35); }
  70%  { box-shadow: 0 0 0 18px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0   rgba(255,255,255,0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleInX {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
@keyframes modalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Skip link ─── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--forest);
  color: #fff;
  font-size: 0.875rem;
  border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; }

/* ─── Navbar ─── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: transparent;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}
.site-header.scrolled {
  background: var(--navbar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--divider);
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  z-index: 10;
}
.site-logo .logo-mark {
  width: 32px; height: 32px;
  border: 1px solid rgba(139,158,149,0.5);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s;
}
.site-logo .logo-mark span {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink);
}
.site-logo .logo-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink);
}
.primary-nav {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.primary-nav a {
  /* 13px thay vì 11px — dễ đọc hơn hẳn với người trên 35 tuổi */
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color 0.2s;
  padding: 0.5rem 0;
  display: inline-block;
}
.primary-nav a:hover,
.primary-nav a:focus-visible { color: var(--ink); }
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a {
  color: var(--ink);
  box-shadow: inset 0 -1px 0 currentColor;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 1px;
}
.lang-btn {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-subtle);
  padding: 3px 5px;
  border-radius: 3px;
  text-decoration: none;
  line-height: 1;
  transition: color 0.2s, background 0.2s;
}
.lang-btn--active {
  /* Chữ nhỏ trên nền kem: --gold-deep chỉ 3.47:1, phải dùng --gold-ink (5.83:1) */
  color: var(--gold-ink);
  background: rgba(217, 164, 65, 0.14);
}
.dark .lang-btn--active {
  color: var(--gold);
  background: rgba(217, 164, 65, 0.16);
}
.lang-btn:not(.lang-btn--active):hover {
  color: var(--ink);
}
.lang-sep {
  color: var(--ink-subtle);
  font-size: 9px;
  padding: 0 1px;
  line-height: 1;
  user-select: none;
}
/* Mobile: switcher lớn hơn */
.lang-switcher--mobile {
  margin-bottom: 0.5rem;
}
.lang-switcher--mobile .lang-btn {
  font-size: 1rem;
  padding: 6px 10px;
  letter-spacing: 0.15em;
}
.lang-switcher--mobile .lang-sep {
  font-size: 0.85rem;
  padding: 0 4px;
}
/* Khi chưa cài plugin */
.lang-switcher--static .lang-btn {
  cursor: default;
  pointer-events: none;
}

.theme-toggle {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-mist);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-dim);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.theme-toggle:hover {
  border-color: var(--mist);
  color: var(--ink);
  background: var(--surface);
}
.theme-toggle svg { width: 14px; height: 14px; }

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px; height: 32px;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.2s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--canvas);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-menu.open { display: flex; animation: fadeIn 0.25s ease; }
.mobile-menu a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.5rem; font-weight: 300;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dim);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--ink); }

@media (max-width: 767px) {
  .primary-nav { display: none; }
  .hamburger   { display: flex; }
}

/* ─── Hero Section ─── */
.hero-section {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.hero-h-full   { height: 100svh; }
.hero-h-large  { height: 80svh;  min-height: 520px; }
.hero-h-medium { height: 60svh;  min-height: 420px; }

/* Nền hero: ảnh <img> (có srcset) hoặc div background, dùng chung 1 quy tắc.
   Thứ tự lớp: media (0) → overlay (1) → vignette (2) → nội dung (10). */
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: none;
  z-index: 0;
}
.hero-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: kenBurns 28s ease-in-out infinite;
  will-change: transform;
}
.hero-bg--empty {
  animation: none;
  /* Chưa chọn ảnh lẫn video thì nền vẫn phải ra dáng, không phẳng lì.
     Lớp trên cùng là hạt phim: gradient trơn tru quá trông như lỗi trang,
     thêm nhiễu vào là ra chất phim nhựa — hợp với một studio tài liệu.
     Hạt nằm ngay trong nền chứ không mượn .cf-grain, vì tầng hiệu ứng
     có thể bị tắt trong Tuỳ biến mà mảng nền này thì lúc nào cũng cần. */
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23g)' opacity='0.28'/%3E%3C/svg%3E"),
    radial-gradient(ellipse 70% 55% at 50% 108%, rgba(45, 74, 62, 0.9) 0%, transparent 70%),
    linear-gradient(160deg, #1C3A2E 0%, #16302A 40%, #0A0A0A 100%);
  background-size: 160px 160px, auto, auto;
}
.hero-video { object-fit: cover; }

/* Lớp phủ tối, độ đậm do thanh trượt trong block Hero quyết định */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 6, 6, var(--hero-overlay, 0.45));
  z-index: 1;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 75% at 50% 50%, transparent 25%, rgba(6,6,6,0.62) 80%, rgba(6,6,6,0.96) 100%),
    linear-gradient(to bottom, rgba(6,6,6,0.5) 0%, transparent 22%, transparent 64%, rgba(6,6,6,0.94) 100%);
}
.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 0 1.5rem;
}
.hero-eyebrow {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.38em;
  color: rgba(139,158,149,0.85);
  margin-bottom: 2rem;
  animation: fadeIn 1.4s ease forwards;
}
.hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.88;
  letter-spacing: -0.01em;
  font-size: clamp(4.5rem, 11vw, 10rem);
  color: #FAFAFA;
  opacity: 0;
  animation: fadeInUp 1.3s 0.25s cubic-bezier(0.16,1,0.3,1) forwards;
}
.hero-divider {
  width: 5rem; height: 1px;
  background: rgba(139,158,149,0.5);
  margin: 2rem auto;
  transform-origin: center;
  animation: scaleInX 0.9s 0.85s ease forwards;
  transform: scaleX(0);
}
.hero-subtitle {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: clamp(0.9rem, 2.2vw, 1.5rem);
  color: rgba(250,250,250,0.65);
  opacity: 0;
  animation: fadeIn 1s 1.05s ease forwards;
}
.scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeIn 1.2s 2.2s ease forwards;
}
.scroll-cue span {
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: rgba(250,250,250,0.35);
}
.scroll-cue-line {
  width: 1px; height: 3.5rem;
  background: linear-gradient(to bottom, rgba(250,250,250,0.4), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

/* ─── Portfolio Grid ─── */
.portfolio-section {
  padding: 6rem 1.5rem;
  background: var(--canvas);
}
.portfolio-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem;
  max-width: 1400px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.portfolio-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-ink);
  margin-bottom: 0.75rem;
}
.dark .portfolio-eyebrow { color: var(--gold); }
.portfolio-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  max-width: 1400px;
  margin: 0 auto;
}
.film-card {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.film-card.wide { grid-column: span 2; }
.film-card.visible { opacity: 1; transform: translateY(0); }

/* Toàn bộ card là 1 thẻ <a> thật: mở tab mới / copy link / SEO đều chạy */
.film-card-link {
  position: absolute;
  inset: 0;
  display: block;
}
.film-card-link:focus-visible {
  outline: 2px solid var(--snow);
  outline-offset: -4px;
}
.film-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
}
.film-card:hover img { transform: scale(1.06); }
.film-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.85) 0%, rgba(6,6,6,0.2) 50%, transparent 100%);
}
.film-card-hover-tint {
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background 0.5s;
}
.film-card:hover .film-card-hover-tint { background: rgba(28,58,46,0.15); }
.film-card-info {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 1.25rem 1.5rem;
  transform: translateY(4px);
  transition: transform 0.35s ease;
  display: block;
}
.film-card:hover .film-card-info { transform: translateY(0); }
.film-card-year {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.25rem;
}
.film-card-title {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: #FAFAFA;
}
.film-card-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.3s, background 0.3s;
}
.film-card:hover .film-card-play { opacity: 1; background: rgba(255,255,255,0.08); }
.film-card-play .triangle {
  width: 0; height: 0;
  border-style: solid;
  border-width: 6px 0 6px 10px;
  border-color: transparent transparent transparent rgba(255,255,255,0.9);
  margin-left: 2px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--border-mist);
  border-radius: 2px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-outline:hover {
  color: var(--ink);
  border-color: var(--mist);
  background: var(--surface);
}
@media (max-width: 767px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .film-card.wide { grid-column: span 1; }
}

/* ─── Quote Section ─── */
.quote-section {
  position: relative;
  isolation: isolate;
  padding: 8rem 1.5rem;
  overflow: hidden;
  /* Mảng đậm nhất trang — nền chuyển sắc để có chiều sâu, không phẳng lì */
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(45, 74, 62, 0.85) 0%, transparent 65%),
    linear-gradient(168deg, #1C3A2E 0%, #16302A 45%, #0E1F19 100%);
}
.quote-section .top-line,
.quote-section .bot-line {
  position: absolute;
  inset-inline: 0;
  height: 1px;
  background: rgba(139,158,149,0.2);
}
.quote-section .top-line { top: 0; }
.quote-section .bot-line { bottom: 0; }
.quote-section .noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(139,158,149,0.12) 2px,
    rgba(139,158,149,0.12) 4px
  );
}
.quote-inner {
  position: relative;
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}
.quote-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.8s, transform 0.8s;
}
.quote-section.in-view .quote-eyebrow { opacity: 1; transform: translateY(0); }
blockquote.main-quote {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.6rem, 4.5vw, 3.5rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: rgba(250,250,250,0.92);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s 0.15s, transform 0.9s 0.15s;
}
.quote-section.in-view blockquote.main-quote { opacity: 1; transform: translateY(0); }
.quote-divider {
  width: 3.5rem; height: 1px;
  background: rgba(139,158,149,0.4);
  margin: 3rem auto 2rem;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.8s 0.3s ease;
}
.quote-section.in-view .quote-divider { transform: scaleX(1); }
.quote-attribution {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(139,158,149,0.6);
  opacity: 0;
  transition: opacity 0.8s 0.4s;
}
.quote-section.in-view .quote-attribution { opacity: 1; }

/* ─── Footer ─── */
.site-footer {
  padding: 4rem 2rem;
  background: var(--footer-bg);
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}
.footer-brand .logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.footer-brand .logo-mark {
  width: 32px; height: 32px;
  border: 1px solid rgba(139,158,149,0.3);
  display: flex; align-items: center; justify-content: center;
}
.footer-brand .logo-mark span {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(250,250,250,0.9);
}
.footer-brand .logo-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(250,250,250,0.9);
}
.footer-brand p {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(250,250,250,0.4);
  max-width: 22rem;
}
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}
.footer-email-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  letter-spacing: 0.06em;
  color: rgba(250,250,250,0.88);
  border-bottom: 1px solid rgba(139,158,149,0.3);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
  cursor: pointer;
  background: none; border-top: none; border-left: none; border-right: none;
}
.footer-email-btn:hover { color: #fff; border-color: rgba(139,158,149,0.7); }
.footer-socials {
  display: flex;
  gap: 0.5rem;
}
.social-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(139,158,149,0.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(250,250,250,0.5);
  font-size: 0.75rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.social-link:hover {
  border-color: rgba(139,158,149,0.6);
  color: rgba(250,250,250,0.9);
  background: rgba(139,158,149,0.08);
}
.social-link svg { width: 14px; height: 14px; }
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: rgba(250,250,250,0.3);
  letter-spacing: 0.06em;
}

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  pointer-events: none;
  width: max-content;
  max-width: calc(100vw - 2rem);
}
.toast {
  pointer-events: auto;
  padding: 0.75rem 1.25rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  color: rgba(250,250,250,0.92);
  background: rgba(22,22,22,0.95);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  animation: toastSlideUp 0.35s cubic-bezier(0.34,1.56,0.64,1) forwards;
  white-space: nowrap;
}
.toast.success { border-color: rgba(94,184,136,0.35); }
.toast.error   { border-color: rgba(204,40,40,0.35); }

/* ─── Utility ─── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─── Container ─── */
.container {
  /* Bề rộng do Giao diện → Tuỳ biến → Logo & Nhận diện quyết định.
     1400px là mặc định nếu chưa chọn gì. Lề co giãn theo màn hình để
     khi chọn "Tràn viền" chữ vẫn không dính mép. */
  max-width: var(--cf-container, 1400px);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 4rem);
}

/* ─── Breadcrumb ─── */
.breadcrumb {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--ink-dim); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--ink); }

/* ─── Archive Hero ─── */
.archive-hero {
  padding: 9rem 0 4rem;
  background: var(--canvas);
  border-bottom: 1px solid var(--divider);
}
.archive-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-ink);
  margin-bottom: 0.75rem;
}
.dark .archive-eyebrow { color: var(--gold); }
.archive-title {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 0.9;
  color: var(--ink);
}

/* ─── Archive Filters ─── */
.archive-filters {
  padding: 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--divider);
}
.filter-group { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.filter-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
  margin-right: 0.25rem;
}
.filter-btn {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-mist);
  border-radius: 100px;
  color: var(--ink-dim);
  transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}
.filter-count {
  font-size: 0.65em;
  opacity: 0.55;
  margin-left: 3px;
}

/* ─── Archive Grid (full archive) ─── */
.archive-grid { margin-top: 3rem; margin-bottom: 3rem; }

/* ─── Pagination ─── */
.chamfilm-pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 3rem 0;
}
.chamfilm-pagination a,
.chamfilm-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border-mist);
  border-radius: 2px;
  font-size: 0.8rem;
  color: var(--ink-dim);
  transition: all 0.2s;
}
.chamfilm-pagination a:hover { border-color: var(--mist); color: var(--ink); }
.chamfilm-pagination .current { background: var(--ink); color: var(--canvas); border-color: var(--ink); }

/* ─── No Results ─── */
.no-results { padding: 6rem 0; text-align: center; color: var(--ink-dim); }
.no-results p { margin-bottom: 1.5rem; font-size: 1rem; }

/* ─── Single Project ─── */
.project-hero {
  position: relative;
  height: 70svh;
  min-height: 480px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.project-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  animation: kenBurns 28s ease-in-out infinite;
}
.project-hero-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.92) 0%, rgba(6,6,6,0.3) 50%, transparent 100%);
}
.project-hero-content {
  position: relative;
  z-index: 10;
  padding: 3rem 1.5rem;
  max-width: 1400px;
  margin-inline: auto;
  width: 100%;
}
.project-type-label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(139,158,149,0.8);
  margin-bottom: 0.75rem;
}
.project-title {
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 700;
  color: #FAFAFA;
  line-height: 0.9;
  margin-bottom: 1.25rem;
}
.project-meta-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.project-year, .project-duration {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: rgba(250,250,250,0.55);
}
.project-status {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  border: 1px solid rgba(250,250,250,0.2);
  color: rgba(250,250,250,0.7);
}
.project-status.status-completed { border-color: rgba(94,184,136,0.4); color: rgba(94,184,136,0.9); }
.project-status.status-in_production { border-color: rgba(251,191,36,0.4); color: rgba(251,191,36,0.9); }

.project-body { padding: 4rem 0 6rem; }
.project-video { margin-bottom: 3.5rem; }
.video-wrapper {
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}
.video-wrapper iframe { width: 100%; height: 100%; border: none; display: block; }

.project-columns {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 900px) { .project-columns { grid-template-columns: 1fr; } }

.project-excerpt {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--ink-dim);
  margin-bottom: 2rem;
}
.project-content { font-size: 0.95rem; line-height: 1.8; color: var(--ink-dim); }
.section-label {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--divider);
}
.crew-list { display: grid; gap: 0.5rem; }
.crew-item { display: grid; grid-template-columns: 130px 1fr; gap: 0.5rem; font-size: 0.875rem; }
.crew-item dt { color: var(--mist); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; padding-top: 2px; }
.crew-item dd { color: var(--ink); }

.equipment-list { list-style: none; display: grid; gap: 0.4rem; }
.equipment-list li { font-size: 0.875rem; color: var(--ink-dim); }
.equipment-list li strong { color: var(--ink); margin-right: 0.5rem; }
.equipment-list li span { opacity: 0.6; font-size: 0.82em; }

.awards-list { list-style: none; display: grid; gap: 0.5rem; }
.awards-list li { display: flex; justify-content: space-between; font-size: 0.875rem; padding: 0.5rem 0; border-bottom: 1px solid var(--divider); }
.award-year { color: var(--mist); font-size: 0.8em; }

.project-sidebar { position: sticky; top: 80px; }
.sidebar-block { margin-bottom: 2rem; }
.sidebar-label {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.6rem;
}
.sidebar-block p { font-size: 0.875rem; color: var(--ink-dim); line-height: 1.6; }

/* ─── Tags ─── */
.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border-mist);
  border-radius: 100px;
  color: var(--ink-dim);
  transition: all 0.2s;
}
a.tag:hover { border-color: var(--mist); color: var(--ink); }

/* ─── Member Card ─── */
.member-card {
  display: flex;
  flex-direction: column;
}
.member-card-media {
  position: relative;
  display: block;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 6px;
  background: var(--elevated);
  isolation: isolate;
}
.member-card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.2,0.6,0.2,1), filter 0.4s ease;
}
.member-card:hover .member-card-media img { transform: scale(1.05); }
.member-card-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 4.5rem; font-weight: 700; line-height: 1;
  color: var(--mist);
  background: linear-gradient(150deg, var(--surface), var(--elevated));
}
.member-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0) 55%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.member-card:hover .member-card-overlay { opacity: 1; }
.member-card-cta {
  position: absolute;
  left: 1rem; bottom: 1rem;
  z-index: 2;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.member-card:hover .member-card-cta { opacity: 1; transform: translateY(0); }
.member-card-info { padding: 1.1rem 0.1rem 0; }
.member-card-role {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.35rem;
}
.member-card-name { font-size: 1.5rem; font-weight: 600; line-height: 1.05; margin-bottom: 0.5rem; }
.member-card-name a { color: var(--ink); transition: color 0.2s; }
.member-card-name a:hover { color: var(--stone); }
.member-card-bio { font-size: 0.84rem; color: var(--ink-dim); line-height: 1.65; margin-bottom: 0.9rem; }
.member-card-socials { display: flex; gap: 0.5rem; }

/* ─── Single Member ─── */
.member-hero {
  padding: 8rem 0 2.5rem;
  border-bottom: 1px solid var(--divider);
}
.member-role-tag {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.75rem;
}
.member-name { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 700; line-height: 0.92; margin-bottom: 0.75rem; }
.member-title { font-size: 1rem; color: var(--ink-dim); max-width: 40ch; }

.member-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  padding-top: 3.5rem;
  padding-bottom: 6rem;
  align-items: start;
}
@media (max-width: 900px) { .member-layout { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 2.5rem; } }
.member-photo-col { position: sticky; top: 88px; }
@media (max-width: 900px) { .member-photo-col { position: static; } }
.member-avatar {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--surface);
}
.member-avatar img { width: 100%; height: 100%; object-fit: cover; }
.member-avatar-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, var(--surface), var(--elevated));
}
.member-avatar-placeholder span {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 6rem; font-weight: 700; color: var(--mist);
}
.member-socials { display: flex; gap: 0.5rem; margin-top: 1.25rem; }
.member-email {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--divider);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.member-email:hover { color: var(--ink); border-color: var(--mist); }
.member-bio-lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}
.member-content { font-size: 1rem; line-height: 1.85; color: var(--ink-dim); }
.member-content > * + * { margin-top: 1.25rem; }
.member-content p { margin: 0; }
.member-content h2, .member-content h3 {
  font-family: 'Barlow Condensed', sans-serif;
  color: var(--ink); font-weight: 600; line-height: 1.15;
  margin-top: 2rem;
}
.member-content h2 { font-size: 1.6rem; }
.member-content h3 { font-size: 1.3rem; }
.member-content a { color: var(--ink); border-bottom: 1px solid var(--border-mist); }
.member-content a:hover { border-color: var(--ink); }
.member-content strong { color: var(--ink); }
.member-specs { margin-top: 2.25rem; }
.member-foot-nav { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--divider); }

/* ─── Story Card ─── */
/* Lưới bài viết: xem phần v2.0 ở cuối file (số cột do block quyết định).
   Ở đây chỉ giữ khoảng đệm cho trang lưu trữ. */
.archive-stories .stories-grid { padding: 3rem 0; }
.story-card { display: grid; grid-template-rows: auto 1fr; }
.story-card-thumb {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.story-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.story-card:hover .story-card-thumb img { transform: scale(1.04); }
.story-card-cat {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.4rem;
}
.story-card-title { font-size: 1.35rem; font-weight: 600; line-height: 1.1; margin-bottom: 0.6rem; }
.story-card-title a { color: var(--ink); transition: color 0.2s; }
.story-card-title a:hover { color: var(--stone); }
.story-card-lead { font-size: 0.875rem; color: var(--ink-dim); line-height: 1.65; margin-bottom: 0.75rem; }
.story-card-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }
.story-card-meta span { font-size: 0.7rem; color: var(--ink-subtle); letter-spacing: 0.06em; display: flex; align-items: center; gap: 3px; }

/* ─── Single Story ─── */
.story-cover { position: relative; height: 65svh; min-height: 400px; overflow: hidden; }
.story-cover img { width: 100%; height: 100%; object-fit: cover; }
.story-cover-vignette {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(6,6,6,0.7) 100%);
}
.story-article { padding: 4rem 0 6rem; max-width: 720px; }
.story-header { margin-bottom: 3rem; }
.story-cat {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.75rem;
}
.story-title { font-size: clamp(2rem, 5vw, 4rem); font-weight: 700; line-height: 0.95; margin-bottom: 1.25rem; }
.story-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-bottom: 1.5rem; }
.story-meta span { font-size: 0.72rem; color: var(--ink-subtle); display: flex; align-items: center; gap: 4px; }
.story-lead {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ink-dim);
  line-height: 1.7;
  padding-left: 1rem;
  border-left: 2px solid var(--border-mist);
}
.story-content { font-size: 1rem; line-height: 1.85; color: var(--ink-dim); }
.story-content p { margin-bottom: 1.4em; }
.story-credits { margin-top: 3rem; font-size: 0.75rem; color: var(--ink-subtle); border-top: 1px solid var(--divider); padding-top: 1rem; }
.story-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; flex-wrap: wrap; }

/* ─── Page ─── */
.page-container { padding-top: 7rem; padding-bottom: 6rem; max-width: 840px; }
.page-header { margin-bottom: 2.5rem; }
.page-title { font-size: clamp(2rem, 5vw, 4rem); font-weight: 700; line-height: 0.95; }
.page-body { font-size: 1rem; line-height: 1.85; color: var(--ink-dim); }
.page-body p { margin-bottom: 1.4em; }

/* ─── 404 ─── */
.error-container { padding-top: 8rem; padding-bottom: 8rem; text-align: center; }
.error-code {
  font-size: clamp(6rem, 18vw, 14rem);
  font-weight: 700;
  line-height: 0.85;
  color: var(--divider-mid);
  margin-bottom: 1rem;
}
.error-title { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; margin-bottom: 1rem; }
.error-desc { color: var(--ink-dim); margin-bottom: 2rem; }
.error-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ─── Search ─── */
.search-header { padding: 7rem 0 3rem; border-bottom: 1px solid var(--divider); margin-bottom: 3rem; }
.search-count { font-size: 0.8rem; color: var(--ink-subtle); margin-top: 0.5rem; }
.search-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.search-item { display: flex; gap: 1rem; border-bottom: 1px solid var(--divider); padding-bottom: 1.25rem; }
.search-item-thumb { flex-shrink: 0; width: 80px; }
.search-item-thumb img { width: 80px; height: 60px; object-fit: cover; border-radius: 2px; }
.search-item-type { font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mist); margin-bottom: 0.25rem; }
.search-item-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.3rem; }
.search-item-title a { color: var(--ink); transition: color 0.2s; }
.search-item-title a:hover { color: var(--stone); }
.search-item-excerpt { font-size: 0.82rem; color: var(--ink-dim); line-height: 1.55; }

/* ─── Film card type badge ─── */
.film-card-type {
  position: absolute;
  top: 1rem; left: 1rem;
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  color: rgba(255,255,255,0.75);
}