/* ========================================
   Ankur Vora - Filmmaker Portfolio
   Apple-style Dark Cinematic Theme
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-tertiary: #6a6a6a;
  --accent: #c0a060;
  --accent-hover: #d4b87a;
  --border: rgba(255, 255, 255, 0.1);
  --overlay: rgba(0, 0, 0, 0.8);
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  
  /* Layout */
  --max-width: 1400px;
  --nav-height: 80px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-slower: 800ms ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(192, 160, 96, 0.2);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

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

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 var(--spacing-lg);
  background: transparent;
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo-text {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.nav-logo:hover .nav-logo-text {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    background: var(--bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }
  
  .nav-menu.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
  }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-4xl) var(--spacing-lg);
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.6) 0%,
    rgba(10, 10, 10, 0.8) 50%,
    rgba(10, 10, 10, 0.9) 100%
  );
  z-index: 1;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 50% 0%, rgba(192, 160, 96, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(192, 160, 96, 0.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-title {
  font-size: clamp(3.5rem, 12vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  text-shadow: 0 0 80px rgba(192, 160, 96, 0.3);
}

.hero-subtitle {
  font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-2xl));
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-tagline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.hero-tagline .separator {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.hero-location {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-tertiary);
  animation: bounce 2s infinite;
  z-index: 3;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ========================================
   Animations
   ======================================== */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn var(--transition-slower) forwards;
}

.animate-fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp var(--transition-slower) forwards;
}

.delay-1 { animation-delay: 200ms; }
.delay-2 { animation-delay: 400ms; }
.delay-3 { animation-delay: 600ms; }

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slower), transform var(--transition-slower);
}

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

/* ========================================
   Sections
   ======================================== */
.section {
  padding: var(--spacing-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Work Section
   ======================================== */
.work {
  background: var(--bg-secondary);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.work-loading {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl);
  color: var(--text-tertiary);
}

.loader {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.work-item {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-tertiary);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.work-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.work-item:hover img {
  transform: scale(1.05);
}

.work-item-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.work-item:hover .work-item-overlay {
  opacity: 1;
}

.work-item-play {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-fast);
}

.work-item:hover .work-item-play {
  transform: scale(1.1);
}

.work-item-play svg {
  width: 24px;
  height: 24px;
  margin-left: 4px;
}

.work-item-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  text-align: center;
  padding: 0 var(--spacing-md);
}

.work-item-duration {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

/* Fallback work items when Vimeo fails */
.work-fallback {
  text-align: center;
  padding: var(--spacing-2xl);
  grid-column: 1 / -1;
}

.work-fallback a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--accent);
  color: var(--bg-primary);
  border-radius: 8px;
  font-weight: 500;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.work-fallback a:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ========================================
   About Section
   ======================================== */
.about {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

.about-content {
  order: 1;
}

@media (max-width: 1024px) {
  .about-content {
    order: 2;
  }
}

.about-intro {
  font-size: var(--font-size-xl);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.about-section {
  margin-bottom: var(--spacing-2xl);
}

.about-section h3 {
  font-size: var(--font-size-xl);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.about-section p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.achievements-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.achievements-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.6;
}

.achievement-icon {
  color: var(--accent);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.achievements-list strong {
  color: var(--text-primary);
  font-weight: 500;
}

.about-image {
  order: 2;
  position: sticky;
  top: calc(var(--nav-height) + var(--spacing-lg));
}

@media (max-width: 1024px) {
  .about-image {
    order: 1;
    position: relative;
    top: 0;
    max-width: 400px;
    margin: 0 auto;
  }
}

.image-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
  z-index: 1;
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  height: auto;
  filter: grayscale(20%);
  transition: filter var(--transition-slow);
}

.image-frame:hover img {
  filter: grayscale(0%);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  text-align: center;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-email {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl) var(--spacing-3xl);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: var(--spacing-2xl);
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-email:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.email-label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.email-address {
  font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-2xl));
  font-weight: 500;
  color: var(--accent);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-4px);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

.contact-location {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.contact-location svg {
  color: var(--accent);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer p {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

/* ========================================
   Modal
   ======================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.modal-close:hover {
  color: var(--accent);
  transform: scale(1.1);
}

.modal-content {
  width: 90%;
  max-width: 1200px;
  aspect-ratio: 16 / 9;
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 768px) {
  .section {
    padding: var(--spacing-3xl) 0;
  }
  
  .work-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-email {
    padding: var(--spacing-lg) var(--spacing-xl);
    width: 100%;
  }
  
  .social-links {
    gap: var(--spacing-md);
  }
  
  .social-link {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  .hero-tagline {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .hero-tagline .separator {
    display: none;
  }
}