/* ===========================
   RUKS FILM — Landing Page
   Modern, Performance-First CSS
   =========================== */

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

:root {
  --clr-bg: #0a0a0a;
  --clr-surface: #111111;
  --clr-surface-2: #1a1a1a;
  --clr-border: #2a2a2a;
  --clr-text: #f0f0f0;
  --clr-text-muted: #888888;
  --clr-accent: #2a9d8f;
  --clr-accent-hover: #3ab5a6;
  --clr-white: #ffffff;
  --clr-black: #000000;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --container: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-accent);
  color: var(--clr-black);
  border-color: var(--clr-accent);
}
.btn-primary:hover {
  background: var(--clr-accent-hover);
  border-color: var(--clr-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(42, 157, 143, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--clr-white);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

.btn-nav {
  padding: 10px 24px;
  font-size: 0.875rem;
}

/* ---------- SECTION HELPERS ---------- */
.section {
  padding: 100px 0;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--clr-accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.15;
}

.section-sub {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 48px;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--clr-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--clr-white);
}
.nav-logo span {
  color: var(--clr-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.4) 0%,
    rgba(10,10,10,0.7) 50%,
    rgba(10,10,10,0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 100px;
}

.hero-tag {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--clr-accent);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-title em {
  font-style: normal;
  color: var(--clr-accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--clr-white);
}
.stat span {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--clr-text-muted);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- PORTFOLIO ---------- */
.portfolio {
  background: var(--clr-bg);
}

.portfolio .section-tag,
.portfolio .section-title {
  text-align: center;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.project-card {
  background: var(--clr-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-accent);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.project-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--clr-surface-2);
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.project-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-play {
  opacity: 1;
}

.project-info {
  padding: 24px;
}

.project-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--clr-accent);
  margin-bottom: 8px;
}

.project-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-info p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ---------- TRUST / LOGOS ---------- */
.trust {
  padding: 60px 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.trust-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--clr-text-muted);
  margin-bottom: 32px;
}

.logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.client-logo {
  opacity: 0.4;
  transition: var(--transition);
  filter: grayscale(100%) brightness(2);
}
.client-logo:hover {
  opacity: 0.8;
}
.client-logo img {
  height: 32px;
  width: auto;
}

/* ---------- ABOUT ---------- */
.about {
  background: var(--clr-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-lead {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--clr-white);
}

.about-text p {
  color: var(--clr-text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-cta {
  margin-top: 32px;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials {
  background: var(--clr-bg);
}

.testimonials .section-tag,
.testimonials .section-title {
  text-align: center;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: var(--clr-accent);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--clr-text-muted);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card footer {
  display: flex;
  flex-direction: column;
}
.testimonial-card footer strong {
  font-size: 0.95rem;
  color: var(--clr-white);
}
.testimonial-card footer span {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

/* ---------- PRICING ---------- */
.pricing {
  background: var(--clr-surface);
}

.pricing .section-tag,
.pricing .section-title,
.pricing .section-sub {
  text-align: center;
}
.pricing .section-sub {
  margin-left: auto;
  margin-right: auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.price-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.price-card:hover {
  border-color: rgba(42, 157, 143, 0.3);
  transform: translateY(-4px);
}

.price-card.featured {
  border-color: var(--clr-accent);
  box-shadow: 0 0 40px rgba(42, 157, 143, 0.1);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--clr-accent);
  color: var(--clr-black);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 20px;
  border-radius: 50px;
}

.price-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: 24px;
}

.price-card ul {
  text-align: left;
  margin-bottom: 32px;
}
.price-card li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  border-bottom: 1px solid var(--clr-border);
  padding-left: 24px;
  position: relative;
}
.price-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq {
  background: var(--clr-bg);
}

.faq .section-tag,
.faq .section-title {
  text-align: center;
}

.faq-container {
  max-width: 720px;
}

.faq-list {
  margin-top: 48px;
}

.faq-item {
  border-bottom: 1px solid var(--clr-border);
}

.faq-item summary {
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--clr-accent);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary::after {
  content: '−';
}
.faq-item summary:hover {
  color: var(--clr-accent);
}

.faq-item p {
  padding-bottom: 20px;
  color: var(--clr-text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ---------- CONTACT ---------- */
.contact {
  background: var(--clr-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info p {
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.contact-channel:hover {
  border-color: var(--clr-accent);
  transform: translateX(4px);
}
.contact-channel svg {
  flex-shrink: 0;
  color: var(--clr-accent);
}
.contact-channel strong {
  display: block;
  font-size: 0.9rem;
}
.contact-channel span {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.contact-form {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--clr-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--clr-text);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-text-muted);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  margin-top: 12px;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--clr-black);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--clr-border);
}

.footer-brand p {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
  color: var(--clr-white);
}

.footer-links li {
  margin-bottom: 8px;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--clr-accent);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

/* ---------- ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid .price-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--clr-surface);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 24px;
    transition: right 0.4s ease;
    border-left: 1px solid var(--clr-border);
  }
  .nav-links.open {
    right: 0;
  }
  .nav-links a {
    font-size: 1.1rem;
    color: var(--clr-text);
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  .hero-stats {
    gap: 24px;
  }
  .stat strong {
    font-size: 1.4rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid .price-card:last-child {
    max-width: 100%;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-form {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .logo-strip {
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .section-title {
    font-size: clamp(1.6rem, 6vw, 2.4rem);
  }
}