/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(30, 30, 42, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header-logo img {
  height: 32px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.header-nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.header-nav a:hover {
  color: var(--color-white);
  background: var(--accent-dim);
}

.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .header-cta { display: inline-flex; }
}

/* ── Mobile menu ── */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--spacing-16) var(--container-padding);
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-6);
  border: 1px solid var(--color-accent-dim);
  background: var(--color-accent-dim);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: var(--weight-medium);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--spacing-6);
  max-width: 900px;
}

.hero h1 .highlight {
  color: var(--color-accent);
}

.hero p {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 600px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-8);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-8);
  margin-top: var(--spacing-12);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border);
}

.hero-stat h3 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--spacing-1);
}

.hero-stat p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: 0;
}

/* ── Services Section ── */
.services {
  background: var(--color-dark);
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-3);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: var(--weight-medium);
  margin-bottom: var(--spacing-4);
}

.section-subtitle {
  color: var(--color-muted);
  font-size: var(--text-base);
  max-width: 600px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-12);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.service-card:hover {
  background: var(--color-card-hover);
  border-color: var(--color-accent-dim);
  transform: translateY(-4px);
}

.service-card-image {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  aspect-ratio: 9/16;
  object-fit: cover;
  display: block;
}

.service-card-video {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  aspect-ratio: 9/16;
  overflow: hidden;
  position: relative;
}

.service-card-video iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.service-card-body {
  padding: var(--spacing-6);
}

.service-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
  font-size: 1.2rem;
  color: var(--color-accent);
}

.desc-feature .icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--color-accent);
}

.service-item .icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: var(--color-accent);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  margin-bottom: var(--spacing-2);
}

.service-card p {
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.service-card:hover .card-link {
  gap: var(--spacing-3);
}

/* ── Gallery Section ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-3);
}

@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

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

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

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.95);
  justify-content: center;
  align-items: center;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 201;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
  opacity: 1;
}

/* ── Testimonials Section ── */
.testimonials {
  background: var(--color-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-6);
}

.testimonial-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  border-color: var(--color-accent-dim);
}

.testimonial-card .quote {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-4);
  font-style: italic;
}

.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.testimonial-card .author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: var(--weight-bold);
  color: var(--color-accent);
}

.testimonial-card .author-info h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin: 0;
}

.testimonial-card .author-info span {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ── CTA Section ── */
.cta-section {
  text-align: center;
  padding: var(--spacing-20) 0;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--spacing-4);
}

.cta-section p {
  color: var(--color-muted);
  max-width: 500px;
  margin: 0 auto var(--spacing-8);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.cta-section .btn {
  font-size: var(--text-base);
  padding: var(--spacing-4) var(--spacing-8);
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-8);
  right: var(--spacing-8);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 100;
  font-size: 1.2rem;
  text-decoration: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* ── Footer ── */
.footer {
  background: var(--color-dark);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  max-width: 350px;
  margin-top: var(--spacing-4);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-4);
}

.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: none;
  padding: var(--spacing-1) 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-muted-dark);
  margin: 0;
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in-fast {
  animation: fadeIn 0.4s ease forwards;
}

/* Stagger children */
.stagger > * {
  opacity: 0;
}

.stagger > *:nth-child(1) { animation: fadeInUp 0.5s ease 0.1s forwards; }
.stagger > *:nth-child(2) { animation: fadeInUp 0.5s ease 0.2s forwards; }
.stagger > *:nth-child(3) { animation: fadeInUp 0.5s ease 0.3s forwards; }
.stagger > *:nth-child(4) { animation: fadeInUp 0.5s ease 0.4s forwards; }
.stagger > *:nth-child(5) { animation: fadeInUp 0.5s ease 0.5s forwards; }

/* Service cards hover enhancement */
.service-card {
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.service-card:hover {
  box-shadow: 0 8px 30px rgba(167,139,250,0.1);
}

/* Gallery item hover overlay */
.gallery-item::after {
  content: '+';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  background: rgba(0,0,0,0);
  transition: background var(--transition-base);
  opacity: 0;
}

.gallery-item:hover::after {
  background: rgba(0,0,0,0.3);
  opacity: 1;
}

/* Hero entrance */
.hero-content {
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
  animation: fadeInUp 0.6s ease 0.6s both;
}

/* Section transitions */
.section {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

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

.footer-social {
  display: flex;
  gap: var(--spacing-4);
}

.footer-social a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-white);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .header-nav { display: none; }
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  .hero h1 { font-size: clamp(1.5rem, 8vw, 2rem); }
}