@import url("https://fonts.googleapis.com/css2?family=Inria+Sans:wght@400;700&display=swap");

/* ═══════════════════════════════════════════
   SHARED — dùng chung mọi trang
   ═══════════════════════════════════════════ */

:root {
  --header-height: 70px;
  --header-bg: rgba(3, 32, 10, 0.5);
  --header-blur: 10px;
  --text-main:   #ffffff;
  --text-sub:    #c4c4c4;
  --text-accent: #ffffff;
  --color-green: #01380e;
  --font: "Inria Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --transition: 0.2s ease;
  --content-max: 1140px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--font); background: #fff; color: #111; line-height: 1.6; font-size: 16px; }
figure { margin: 0; }
ul { margin: 0; padding-left: 20px; }
h1, h2, h3, h4 { margin: 0; }
img { -webkit-touch-callout: none; -webkit-user-select: none; user-select: none; pointer-events: auto; display: block; }

/* ── HEADER ──────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-height);
  display: flex; justify-content: center; align-items: center;
  background: var(--header-bg);
  backdrop-filter: blur(var(--header-blur));
  -webkit-backdrop-filter: blur(var(--header-blur));
}
.header-container {
  width: 100%; max-width: 2560px; height: 100%;
  margin: 0 auto; padding: 0 56px;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text-main);
}
.brand {
  font-size: 25px; letter-spacing: 0.1em; font-weight: 400;
  color: var(--text-main); text-decoration: none; text-transform: uppercase; white-space: nowrap;
}
.primary-nav { display: flex; gap: 40px; align-items: center; font-size: 16px; }
.nav-item {
  position: relative; color: var(--text-sub); text-decoration: none;
  font-weight: 400; transition: color var(--transition); white-space: nowrap;
}
.nav-item.active, .nav-item:hover, .nav-item:focus-visible { color: var(--text-accent); }
.nav-item.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: rgba(213,133,72,.8);
}

/* Lang switch */
.lang-switch { position: relative; display: flex; align-items: center; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: none; color: var(--text-main);
  font-family: var(--font); font-size: 16px; cursor: pointer; padding: 4px 0;
}
.lang-btn .arrow {
  display: inline-block; width: 0; height: 0;
  border-left: 5px solid transparent; border-right: 5px solid transparent;
  border-top: 7px solid var(--text-main);
}
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  list-style: none; margin: 0; padding: 6px 0; min-width: 80px;
  background: rgba(3,32,10,.9); border-radius: 4px;
  opacity: 0; transform: translateY(-4px); pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.lang-menu li a { display: block; padding: 6px 14px; color: var(--text-sub); text-decoration: none; font-size: 14px; }
.lang-menu li a:hover, .lang-menu li a:focus-visible { color: var(--text-accent); background: rgba(255,255,255,.06); }
.lang-switch.open .lang-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* Hamburger (mobile) */
.hamburger {
  display: none; flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }
.mobile-nav {
  display: none; position: fixed; top: var(--header-height); left: 0; right: 0; z-index: 99;
  background: rgba(3,32,10,.95); padding: 16px 24px;
  flex-direction: column; gap: 14px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { color: var(--text-sub); text-decoration: none; font-size: 16px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a.active { color: var(--text-main); }

/* ── FOOTER ──────────────────────────────── */
.footer__divider { margin: 60px 0 24px; border: none; border-top: 1px solid #cfcfcf; }
.site-footer { width: 100%; padding-bottom: 32px; background: #fff; color: #000; font-family: var(--font); }
.footer__inner { width: 100%; padding: 0 24px; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.footer__credit { margin: 0; font-size: 14px; font-style: italic; }
.footer__language { margin: 0; font-size: 13px; font-weight: 300; font-style: italic; }
.footer__lang-link { color: #626262; text-decoration: none; margin-left: 4px; }
.footer__lang-link:hover { text-decoration: underline; }

/* ── HERO BANNER ─────────────────────────── */
.hero-banner { width: 100%; position: relative; }
.hero-banner__image-wrapper { margin: 0; min-height: 430px; }
.hero-banner__image { width: 100%; min-height: 430px; object-fit: cover; }

/* ── HERO TAGLINE ("WHAT DID I DO?") ── */
.hero-tagline {
  position: absolute; left: 13%; top: 56%;
  transform: translateY(calc(-50% - 58px));
  margin: 0; z-index: 5;
  color: #fff;
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 40px);
  letter-spacing: .32em;
  white-space: nowrap;
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
  pointer-events: none;
}
@media (max-width: 768px) {
  .hero-tagline {
    left: 16px; top: auto; bottom: 72px;
    transform: none;
    font-size: 17px; letter-spacing: .22em;
  }
}

/* ── HERO SOCIALS (Facebook / YouTube / TikTok) ── */
.hero-socials {
  position: absolute; left: 13%; top: 56%;
  transform: translateY(-50%);
  display: flex; gap: 14px; z-index: 5;
}
.hero-socials a {
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .25s ease, transform .25s cubic-bezier(.22,1,.36,1);
}
.hero-socials svg { width: 22px; height: 22px; fill: #fff; }
.hero-socials a:hover, .hero-socials a:focus-visible {
  background: rgba(255,255,255,.3);
  transform: translateY(-3px);
}
@media (max-width: 768px) {
  .hero-socials { left: 16px; top: auto; bottom: 18px; transform: none; gap: 10px; }
  .hero-socials a { width: 40px; height: 40px; }
  .hero-socials svg { width: 19px; height: 19px; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — dùng chung
   ═══════════════════════════════════════════ */
@media (max-width: 1200px) {
  .header-container { padding: 0 24px; }
  .primary-nav { gap: 24px; font-size: 15px; }
  .brand { font-size: 16px; letter-spacing: .14em; }
}
@media (max-width: 768px) {
  .primary-nav { display: none; }
  .hamburger { display: flex; }
  .brand { font-size: 14px; }
}

/* lang-right: wrapper cho hamburger + lang-switch */
.lang-right { display: flex; align-items: center; gap: 12px; }

/* ═══════════════════════════════════════════
   ANIMATIONS & POLISH
   ═══════════════════════════════════════════ */

/* ── Page fade transition ── */
body {
  transition: opacity .32s ease;
}
body.page-enter {
  opacity: 0;
  animation: pageIn .35s ease forwards;
}
body.page-exit {
  opacity: 0 !important;
  pointer-events: none;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Brand hover ── */
.brand {
  transition: letter-spacing .4s cubic-bezier(.22,1,.36,1);
}
.brand:hover {
  letter-spacing: 0.18em;
}

/* ── Nav underline slide-in ── */
.nav-item::after {
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .25s cubic-bezier(.22,1,.36,1);
}
.nav-item:hover::after,
.nav-item.active::after {
  transform: scaleX(1);
}

/* ── Hero intro fade-up ── */
.hero-intro {
  opacity: 0;
  transform: translateY(14px);
  animation: heroUp .85s .25s cubic-bezier(.22,1,.36,1) forwards;
}
@keyframes heroUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ── Typewriter cursor ── */
.type-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: #03200a;
  vertical-align: -.12em;
  margin-left: 1px;
  animation: blink .75s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── Skeleton loading ── */
.blog-skeleton {
  width: min(1140px, calc(100vw - 32px));
  background: #eee;
  border-radius: 20px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bs-text  { height: 16px; width: 70%; background: #d8d8d8; border-radius: 6px; animation: shimmer 1.2s ease-in-out infinite; }
.bs-meta  { height: 12px; width: 35%; background: #d8d8d8; border-radius: 6px; animation: shimmer 1.2s ease-in-out infinite .15s; }
.bs-img   { height: 340px; background: #d8d8d8; border-radius: 10px; animation: shimmer 1.2s ease-in-out infinite .3s; }
@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ── Skeleton trang Myself (info + work exp chờ Sheets) ── */
li.ms-skel {
  list-style: none;
  height: 14px; margin: 10px 0;
  background: #e2e2e2; border-radius: 6px;
  animation: shimmer 1.2s ease-in-out infinite;
}
.ms-skel-block {
  height: 110px; margin: 16px 0;
  background: #e2e2e2; border-radius: 12px;
  animation: shimmer 1.2s ease-in-out infinite;
}
.ms-skel-block:nth-child(3) { animation-delay: .15s; }
.ms-skel-block:nth-child(4) { animation-delay: .3s; }
.ms-skel-block--sm { height: 52px; margin: 10px 0; }

/* ── Scroll reveal ── */
/* Chỉ ẩn khi nằm trong .blog-entries — trang khác (Myself, Short film...) không bị ảnh hưởng */
.blog-entries .reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s cubic-bezier(.22,1,.36,1),
              transform .55s cubic-bezier(.22,1,.36,1);
}
.blog-entries .reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}
/* Các trang khác: reveal ngay, không delay */
.myself-section .reveal-on-scroll,
.film-home .reveal-on-scroll,
.tomo-content .reveal-on-scroll {
  opacity: 1;
  transform: none;
}

/* Stagger delays cho children */
.reveal-on-scroll:nth-child(1) { transition-delay: .05s; }
.reveal-on-scroll:nth-child(2) { transition-delay: .12s; }
.reveal-on-scroll:nth-child(3) { transition-delay: .19s; }
.reveal-on-scroll:nth-child(4) { transition-delay: .26s; }
.reveal-on-scroll:nth-child(5) { transition-delay: .33s; }
.reveal-on-scroll:nth-child(6) { transition-delay: .38s; }

/* ── Image hover scale ── */
.blog-entries figure,
.film-home figure,
.myself-home .cooperation-image {
  overflow: hidden;
}
.blog-entries figure img,
.film-home figure img {
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}
.blog-entries figure:hover img,
.film-home figure:hover img {
  transform: scale(1.04);
}

/* ═══════════════════════════════════════════
   GALLERY LIGHTBOX — full rebuild
   ═══════════════════════════════════════════ */

.lb-overlay {
  position: fixed; inset: 0; z-index: 300;
  display: none; align-items: center; justify-content: center;
  background: rgba(0,0,0,0);
  pointer-events: none;
  transition: background .3s ease;
  outline: none;
}
.lb-overlay.lb-open {
  display: flex;
  background: rgba(0,0,0,.88);
  pointer-events: auto;
}

/* Stage */
.lb-stage {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-img {
  display: block;
  max-width: 88vw;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: 16px;
  object-fit: contain;
  opacity: 0;
  transform: scale(.94);
  transition: opacity .32s cubic-bezier(.22,1,.36,1),
              transform .32s cubic-bezier(.22,1,.36,1);
  user-select: none;
  -webkit-user-drag: none;
}
.lb-overlay.lb-open .lb-img {
  opacity: 1;
  transform: scale(1);
}

/* Slide animation classes */
.lb-img.lb-exit-left  { opacity: 0; transform: translateX(-40px) scale(.96); transition-duration: .18s; }
.lb-img.lb-exit-right { opacity: 0; transform: translateX( 40px) scale(.96); transition-duration: .18s; }
.lb-img.lb-enter-right{ opacity: 0; transform: translateX( 36px) scale(.96); transition-duration: 0s; }
.lb-img.lb-enter-left { opacity: 0; transform: translateX(-36px) scale(.96); transition-duration: 0s; }

/* Close button */
.lb-close {
  position: absolute; top: 20px; right: 24px;
  background: rgba(255,255,255,.12); border: none;
  color: #fff; font-size: 20px; line-height: 1;
  width: 40px; height: 40px; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
  z-index: 10;
}
.lb-close:hover { background: rgba(255,255,255,.22); transform: scale(1.1); }

/* Prev / Next */
.lb-prev, .lb-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.10); border: none;
  color: #fff; font-size: 32px; line-height: 1;
  width: 52px; height: 52px; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s, opacity .2s;
  z-index: 10;
}
.lb-prev { left: 20px; }
.lb-next { right: 20px; }
.lb-prev:hover, .lb-next:hover {
  background: rgba(255,255,255,.22);
  transform: translateY(-50%) scale(1.08);
}
@media (max-width: 600px) {
  .lb-prev { left: 8px; width: 42px; height: 42px; font-size: 26px; }
  .lb-next { right: 8px; width: 42px; height: 42px; font-size: 26px; }
}

/* Counter */
.lb-counter {
  position: absolute; bottom: 56px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.6); font-size: 13px;
  font-family: var(--font); letter-spacing: .06em;
  pointer-events: none;
}

/* Dots */
.lb-dots {
  position: absolute; bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 7px; align-items: center;
}
.lb-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,.35);
  transition: background .2s, transform .2s;
}
.lb-dot--active {
  background: #fff;
  transform: scale(1.3);
}