/* ==========================================================================
   Grey Films - Cinema Grade Modern Design System
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,400&display=swap');

:root {
  --bg-primary: #0a0b0e;
  --bg-secondary: #12141a;
  --bg-card: rgba(22, 25, 35, 0.75);
  --bg-card-hover: rgba(30, 35, 50, 0.9);
  --accent-gold: #eab308;
  --accent-amber: #f59e0b;
  --accent-red: #e11d48;
  --accent-glow: rgba(234, 179, 8, 0.25);
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(234, 179, 8, 0.4);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.gf-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 11, 14, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.gf-header.scrolled {
  background: rgba(10, 11, 14, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.gf-nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gf-logo img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

.gf-nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.gf-nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.4rem 0;
}

.gf-nav-link:hover,
.gf-nav-link.active {
  color: #fff;
}

.gf-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-gold));
  transition: var(--transition);
  border-radius: 2px;
}

.gf-nav-link:hover::after,
.gf-nav-link.active::after {
  width: 100%;
}

.gf-dropdown {
  position: relative;
}

.gf-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.6rem;
  min-width: 230px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.7);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  list-style: none;
}

.gf-dropdown:hover .gf-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.gf-dropdown-item a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.gf-dropdown-item a:hover {
  background: var(--bg-card);
  color: var(--accent-gold);
}

.gf-nav-cta {
  background: linear-gradient(135deg, var(--accent-red), #be123c);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 4px 15px rgba(225, 29, 72, 0.35);
}

.gf-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(225, 29, 72, 0.5);
}

.gf-hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero & Landing Sections
   ========================================================================== */
.gf-hero {
  position: relative;
  min-height: 75vh;
  padding: 8.5rem 1.5rem 4.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.gf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(10, 11, 14, 0.6) 0%, rgba(10, 11, 14, 0.96) 90%);
  z-index: 1;
}

.gf-hero-content {
  position: relative;
  z-index: 2;
  max-width: 950px;
  margin: 0 auto;
  text-align: center;
  animation: fadeInUp 0.9s ease forwards;
}

.gf-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(234, 179, 8, 0.12);
  border: 1px solid var(--border-glow);
  color: var(--accent-gold);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.gf-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: #fff;
}

.gf-hero-title span {
  background: linear-gradient(135deg, #fff 30%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gf-hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 2.2rem;
}

.gf-hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.gf-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 9999px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.gf-btn-primary {
  background: linear-gradient(135deg, var(--accent-red), #9f1239);
  color: #fff;
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.35);
}

.gf-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(225, 29, 72, 0.55);
}

.gf-btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.gf-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.gf-btn-gold {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(234, 179, 8, 0.35);
}

.gf-btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(234, 179, 8, 0.55);
}

/* ==========================================================================
   Broadcaster Bar
   ========================================================================== */
.gf-broadcasters-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
}

.gf-broadcasters-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
}

.gf-broadcasters-inner img {
  height: 38px;
  width: auto;
  object-fit: contain;
  opacity: 0.75;
  filter: grayscale(30%) brightness(1.2);
  transition: var(--transition);
}

.gf-broadcasters-inner img:hover {
  opacity: 1;
  filter: grayscale(0%) brightness(1.5);
  transform: scale(1.08);
}

/* ==========================================================================
   Section Styling
   ========================================================================== */
.gf-section {
  padding: 5rem 1.5rem;
  max-width: 1320px;
  margin: 0 auto;
}

.gf-section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.gf-sub-title {
  color: var(--accent-gold);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.gf-main-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  font-weight: 700;
  color: #fff;
}

/* ==========================================================================
   Work Cards
   ========================================================================== */
.gf-work-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.gf-work-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px var(--accent-glow);
}

.gf-work-img-wrap {
  position: relative;
  overflow: hidden;
  min-height: 320px;
}

.gf-work-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gf-work-card:hover .gf-work-img-wrap img {
  transform: scale(1.05);
}

.gf-work-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.gf-work-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.gf-work-year {
  display: inline-block;
  background: rgba(234, 179, 8, 0.15);
  border: 1px solid var(--border-glow);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.gf-work-broadcaster {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.gf-work-title {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
  color: #fff;
}

.gf-work-desc {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.gf-accolades-box {
  background: rgba(234, 179, 8, 0.08);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.8rem 1.2rem;
  margin-top: 1.2rem;
  font-size: 0.86rem;
  color: #fef08a;
  line-height: 1.6;
}

.gf-accolades-box ul {
  list-style: none;
  margin-top: 0.4rem;
}

.gf-accolades-box ul li {
  margin-bottom: 0.3rem;
}

/* ==========================================================================
   Grids (Team, Services, Stories, Recognition)
   ========================================================================== */
.gf-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.gf-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.gf-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.gf-card-img-wrap {
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.gf-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gf-card:hover .gf-card-img-wrap img {
  transform: scale(1.06);
}

.gf-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
}

.gf-card-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* Testimonial Quote Card */
.gf-quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: var(--transition);
}

.gf-quote-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.gf-quote-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.gf-quote-avatar {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-gold);
}

.gf-quote-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gf-quote-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.gf-quote-text {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-style: italic;
  line-height: 1.65;
}

/* NHUI Banner */
.gf-nhui-banner {
  background: linear-gradient(135deg, rgba(18, 20, 26, 0.95), rgba(10, 11, 14, 0.95)), url('assets/images/nhui-photo.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin: 4rem 0;
}

.gf-nhui-content h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.6rem;
}

.gf-nhui-content p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 650px;
}

/* ==========================================================================
   FAQ Accordions
   ========================================================================== */
.gf-faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.gf-faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1.2rem;
  overflow: hidden;
  transition: var(--transition);
}

.gf-faq-question {
  padding: 1.3rem 1.6rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
  user-select: none;
}

.gf-faq-question span.icon {
  font-size: 1.4rem;
  transition: transform 0.3s ease;
  color: var(--accent-gold);
}

.gf-faq-item.active .gf-faq-question span.icon {
  transform: rotate(45deg);
}

.gf-faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.6rem;
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
  transition: all 0.35s ease;
}

.gf-faq-item.active .gf-faq-answer {
  max-height: 800px;
  padding: 0 1.6rem 1.5rem;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */
.gf-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.gf-contact-info-card, .gf-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.gf-contact-item {
  margin-bottom: 1.8rem;
}

.gf-contact-item label {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.gf-contact-item p, .gf-contact-item a {
  color: var(--text-primary);
  font-size: 1rem;
}

.gf-form-group {
  margin-bottom: 1.4rem;
}

.gf-form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #cbd5e1;
}

.gf-input, .gf-textarea {
  width: 100%;
  background: rgba(10, 11, 14, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.gf-input:focus, .gf-textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(234, 179, 8, 0.25);
}

/* ==========================================================================
   Lightbox Video Modal (High Z-Index Fix)
   ========================================================================== */
.gf-video-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 999999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
}

.gf-video-modal.active {
  display: flex !important;
}

.gf-video-modal-content {
  position: relative;
  width: 100%;
  max-width: 950px;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0,0,0,0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.gf-modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #fff;
  font-size: 1.8rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.gf-modal-close:hover {
  background: var(--accent-red);
  transform: rotate(90deg);
}

.gf-video-modal video {
  width: 100%;
  height: auto;
  max-height: 80vh;
  display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.gf-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 1.5rem 2rem;
}

.gf-footer-grid {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.gf-footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 1rem;
}

.gf-footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.gf-footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.gf-footer-links {
  list-style: none;
}

.gf-footer-links li {
  margin-bottom: 0.6rem;
}

.gf-footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.gf-footer-links a:hover {
  color: var(--accent-gold);
  padding-left: 4px;
}

.gf-footer-bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Keyframes */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .gf-nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 380px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.2rem;
    box-shadow: -15px 0 35px rgba(0, 0, 0, 0.7);
    transition: right 0.4s ease;
  }
  .gf-nav-menu.open {
    right: 0;
  }
  .gf-hamburger {
    display: block;
    z-index: 1100;
  }
  .gf-work-card {
    grid-template-columns: 1fr;
  }
  .gf-contact-grid {
    grid-template-columns: 1fr;
  }
  .gf-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .gf-footer-grid {
    grid-template-columns: 1fr;
  }
}