/* =============================================
   BaliRenders Labs — Design System
   Matching balirenders.com tokens
   ============================================= */

:root {
  --font-primary: "Raleway", sans-serif;
  --font-secondary: "Cinzel", serif;
  --color-dark-1: #111111;
  --color-dark-2: #262626;
  --color-dark-3: #333333;
  --color-dark-4: #555555;
  --color-light-1: #eeece6;
  --color-light-2: #f2f1ed;
  --color-light-3: #f7f6f3;
  --color-light-4: #f1e9db;
  --color-gray-1: #888888;
  --color-gray-2: #cccccc;
  --gutter: 2rem;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-primary);
  font-weight: 500;
  color: var(--color-dark-3);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-secondary); font-weight: 400; line-height: 1.3; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); color: var(--color-light-1); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); color: var(--color-dark-3); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); color: var(--color-dark-2); }
h4 { font-size: 1.1rem; color: var(--color-dark-2); }

p { margin-bottom: 1rem; color: var(--color-dark-4); }
a { color: var(--color-dark-2); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--color-dark-1); }

.small-caps {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: 5rem 0; }
.section--dark { background: var(--color-dark-2); color: var(--color-light-1); }
.section--light { background: var(--color-light-3); }

/* =============================================
   HERO
   ============================================= */
.hero {
  background: var(--color-dark-2);
  color: var(--color-light-1);
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero__label {
  display: inline-block;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray-1);
  margin-bottom: 1.5rem;
}

.hero h1 { margin-bottom: 1.5rem; }

.hero__sub {
  font-size: 1.1rem;
  color: var(--color-gray-2);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* =============================================
   NAV
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

.nav--scrolled { background: rgba(17,17,17,0.95); backdrop-filter: blur(10px); }
.nav--scrolled .nav__logo { color: var(--color-light-1); }
.nav--scrolled .nav__logo span { color: var(--color-gray-1); }
.nav--scrolled .nav__link { color: var(--color-gray-2); }

.nav__logo {
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  color: var(--color-dark-2);
  letter-spacing: 0.05em;
}

.nav__logo span { color: var(--color-gray-1); font-size: 0.9rem; }

.nav__link {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-dark-4);
  transition: color 0.3s;
}

.nav__link:hover { color: var(--color-dark-1); }

/* On dark pages, nav is light */
.nav--dark .nav__logo { color: var(--color-light-1); }
.nav--dark .nav__logo span { color: var(--color-gray-2); }
.nav--dark .nav__link { color: var(--color-gray-2); }
.nav--dark .nav__link:hover { color: #fff; }

/* =============================================
   PROJECT CARDS
   ============================================= */
.projects { padding: 5rem 0; }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2.5rem;
}

.card {
  background: #fff;
  border: 1px solid var(--color-light-2);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.card__body { padding: 1.5rem 1.8rem 2rem; }
.card__title { font-size: 1.2rem; margin-bottom: 0.6rem; }
.card__desc { font-size: 0.9rem; color: var(--color-dark-4); margin-bottom: 1rem; }

.card__tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.2rem; }

.tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  background: var(--color-light-3);
  color: var(--color-dark-4);
  border-radius: 2px;
}

.btn {
  display: inline-block;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.8rem 2rem;
  border: 1px solid var(--color-dark-3);
  color: var(--color-dark-3);
  transition: all 0.3s;
}

.btn:hover {
  background: var(--color-dark-2);
  color: var(--color-light-1);
  border-color: var(--color-dark-2);
}

/* =============================================
   PROJECT PAGE
   ============================================= */
.breadcrumb {
  font-size: 0.75rem;
  color: var(--color-gray-1);
  margin-bottom: 1rem;
}

.breadcrumb a { color: var(--color-gray-1); }
.breadcrumb a:hover { color: var(--color-dark-2); }

.project-header { padding: 6rem 0 3rem; }
.project-header h1 { color: var(--color-dark-3); font-size: clamp(1.6rem, 4vw, 2.8rem); }

.project-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.project-date {
  font-size: 0.8rem;
  color: var(--color-gray-1);
}

/* Videos */
.videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .videos { grid-template-columns: 1fr; }
}

.video-col__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.video-col__flag { font-size: 1.4rem; }

.video-col__lang {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-dark-4);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: var(--color-dark-1);
}

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

/* Summaries */
.summaries {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 768px) {
  .summaries { grid-template-columns: 1fr; }
}

.summary__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.summary p { font-size: 0.95rem; line-height: 1.8; }

/* Audio */
.audio-section { padding: 3rem 0; }

.audio-players {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .audio-players { grid-template-columns: 1fr; }
}

.audio-player__label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-dark-4);
  margin-bottom: 0.5rem;
}

audio {
  width: 100%;
  border-radius: 2px;
}

/* Transcripts */
.transcripts { padding: 3rem 0 5rem; }

.transcript-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.2rem 0;
  border: none;
  border-bottom: 1px solid var(--color-light-2);
  background: none;
  cursor: pointer;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-dark-3);
  transition: color 0.3s;
}

.transcript-toggle:hover { color: var(--color-dark-1); }

.transcript-toggle__icon {
  font-size: 1.2rem;
  transition: transform 0.3s;
}

.transcript-toggle.active .transcript-toggle__icon {
  transform: rotate(45deg);
}

.transcript-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.transcript-content.open {
  max-height: 5000px;
}

.transcript-text {
  padding: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-dark-4);
  white-space: pre-wrap;
}

/* CTA */
.cta {
  background: var(--color-dark-2);
  color: var(--color-light-1);
  padding: 5rem 0;
  text-align: center;
}

.cta h2 { color: var(--color-light-1); margin-bottom: 1rem; }
.cta p { color: var(--color-gray-2); margin-bottom: 2rem; }

.btn--light {
  border-color: var(--color-light-1);
  color: var(--color-light-1);
}

.btn--light:hover {
  background: var(--color-light-1);
  color: var(--color-dark-2);
}

/* Footer */
.footer {
  padding: 2.5rem 0;
  text-align: center;
  border-top: 1px solid var(--color-light-2);
}

.footer p {
  font-size: 0.8rem;
  color: var(--color-gray-1);
}

.footer a { color: var(--color-dark-4); }
.footer a:hover { color: var(--color-dark-1); }

/* Divider */
.divider {
  width: 40px;
  height: 1px;
  background: var(--color-gray-2);
  margin: 2rem auto;
}