/* ============================================
   CSS Variables & Theme
   ============================================ */
:root {
  --bg: #FAF8F5;
  --surface: #FFFFFF;
  --text: #1E1E1E;
  --text-secondary: #5A5855;
  --accent: #D97706;
  --accent-2: #8B5CF6;
  --gray-1: #F3F0EC;
  --gray-2: #E5E1DB;
  --gray-3: #9C978F;
  --white: #FFFFFF;
  --error: #DC2626;
  --success: #16A34A;

  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  --shadow-sm: 0 2px 8px rgba(30, 30, 30, 0.04);
  --shadow: 0 8px 32px rgba(30, 30, 30, 0.08);
  --shadow-lg: 0 16px 48px rgba(30, 30, 30, 0.12);

  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0F0F10;
  --surface: #18181B;
  --text: #F2F2F2;
  --text-secondary: #A1A1AA;
  --gray-1: #1C1C1E;
  --gray-2: #2C2C2E;
  --gray-3: #8E8E93;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* ============================================
   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-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.15;
  font-weight: 600;
}

.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1.5rem;
}

.accent {
  color: var(--accent);
}

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

/* ============================================
   Loading Screen
   ============================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.loading-bar {
  width: 140px;
  height: 3px;
  background: var(--gray-2);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.loading-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  animation: loadBar 1.2s ease forwards;
}

@keyframes loadBar {
  to { width: 100%; }
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 15, 16, 0.75);
}

.site-header.scrolled {
  border-bottom-color: var(--gray-2);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.theme-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  background: var(--gray-1);
  transition: background var(--transition), color var(--transition);
}

.theme-toggle:hover {
  background: var(--gray-2);
}

.toggle-sun,
.toggle-moon {
  position: absolute;
  transition: transform var(--transition), opacity var(--transition);
}

.toggle-moon {
  opacity: 0;
  transform: rotate(-90deg);
}

[data-theme="dark"] .toggle-sun {
  opacity: 0;
  transform: rotate(90deg);
}

[data-theme="dark"] .toggle-moon {
  opacity: 1;
  transform: rotate(0deg);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.4);
}

.btn-secondary {
  background: var(--gray-1);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--gray-2);
}

.btn-full {
  width: 100%;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.hero-media {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
  transition: transform var(--transition-slow);
}

.hero-image-wrapper:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.hero-image-wrapper:hover .hero-image {
  transform: scale(1.03);
}

.hero-image-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  box-shadow: var(--shadow-sm);
  color: var(--text);
}

[data-theme="dark"] .hero-image-badge {
  background: rgba(24, 24, 27, 0.9);
  color: var(--white);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-3);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   About
   ============================================ */
.about-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

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

.about-image-frame::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px solid var(--accent);
  border-radius: calc(var(--radius) + 8px);
  opacity: 0.25;
  z-index: -1;
}

.about-image {
  width: 100%;
  height: auto;
}

.about-bio {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.skills-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skills-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.skill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============================================
   Portfolio
   ============================================ */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--gray-1);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.filter-btn:hover {
  background: var(--gray-2);
  color: var(--text);
}

.filter-btn.active {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
}

.masonry-grid {
  column-count: 1;
  column-gap: 1.5rem;
}

.portfolio-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.5s ease forwards;
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-image-wrapper {
  position: relative;
  overflow: hidden;
}

.portfolio-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition);
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 30, 30, 0.7), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

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

.portfolio-meta {
  color: var(--white);
}

.portfolio-meta h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.portfolio-meta span {
  font-size: 0.8rem;
  opacity: 0.85;
}

.portfolio-info {
  padding: 1rem 1.25rem;
}

.portfolio-info h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.portfolio-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

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

/* ============================================
   Featured Works
   ============================================ */
.featured-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.featured-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.featured-item:hover {
  box-shadow: var(--shadow);
}

.featured-item:nth-child(even) .featured-media {
  order: -1;
}

.featured-media {
  overflow: hidden;
}

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

.featured-item:hover .featured-media img {
  transform: scale(1.04);
}

.featured-content {
  padding: 2rem;
}

.featured-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.featured-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 1rem;
}

.featured-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.featured-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--gray-3);
}

/* ============================================
   Process
   ============================================ */
.process-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline-line {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-2);
}

.timeline-step {
  position: relative;
  padding-bottom: 3rem;
  padding-left: 2.5rem;
}

.timeline-step:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 0;
  width: 40px;
  height: 40px;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  transform: translateX(-50%);
}

.timeline-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ============================================
   Services
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gray-2);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gray-1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
  font-size: 1.5rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-price {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

/* ============================================
   Testimonials
   ============================================ */
.testimonial-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-track {
  display: flex;
  overflow: hidden;
  border-radius: var(--radius);
}

.testimonial-slide {
  min-width: 100%;
  padding: 2.5rem;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform 0.5s ease;
}

.testimonial-text {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.testimonial-author {
  font-weight: 600;
  font-size: 0.95rem;
}

.testimonial-company {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gray-1);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background var(--transition), color var(--transition);
}

.slider-btn:hover {
  background: var(--accent);
  color: var(--white);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-2);
  transition: background var(--transition), transform var(--transition);
}

.slider-dot.active {
  background: var(--accent);
  transform: scale(1.2);
}

/* ============================================
   Contact
   ============================================ */
.contact-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.contact-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gray-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-form {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--gray-2);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--error);
  margin-top: 0.35rem;
  min-height: 1.2em;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--error);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--gray-1);
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--gray-2);
  transition: background var(--transition), border-color var(--transition);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--gray-3);
  margin-top: 0.5rem;
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  visibility: hidden;
  z-index: 900;
}

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

.back-to-top:hover {
  transform: translateY(-2px);
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 16, 0.92);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox[hidden] {
  display: none;
}

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

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.lightbox-image {
  max-height: 80vh;
  width: auto;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.lightbox-caption {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
}

/* ============================================
   Toast
   ============================================ */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: var(--white);
  padding: 0.9rem 1.6rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  visibility: visible;
}

/* ============================================
   Scroll Reveal
   ============================================ */
.reveal-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (min-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .about-container {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .contact-container {
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
  }

  .masonry-grid {
    column-count: 2;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-item {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .featured-item:nth-child(even) .featured-media {
    order: 2;
  }

  .featured-item:nth-child(even) .featured-content {
    order: 1;
  }

  .featured-media img {
    height: 100%;
  }

  .process-timeline {
    padding-left: 0;
  }

  .timeline-line {
    left: 50%;
  }

  .timeline-step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding-left: 0;
    align-items: start;
  }

  .timeline-step:nth-child(odd) .timeline-content {
    text-align: right;
    grid-column: 1;
  }

  .timeline-step:nth-child(odd) .timeline-marker {
    left: 50%;
  }

  .timeline-step:nth-child(even) .timeline-content {
    grid-column: 2;
  }

  .timeline-step:nth-child(even) .timeline-marker {
    left: 50%;
  }
}

@media (min-width: 1024px) {
  .masonry-grid {
    column-count: 3;
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .section {
    padding: 7rem 0;
  }
}

@media (max-width: 767px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .timeline-line {
    left: 20px;
  }

  .timeline-step {
    padding-left: 3rem;
  }

  .timeline-marker {
    left: 20px;
    transform: translateX(-50%);
  }

  .testimonial-slide {
    padding: 1.5rem;
  }

  .lightbox-image {
    max-height: 60vh;
  }
}

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

  .reveal-item {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   Focus Styles
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   Selection
   ============================================ */
::selection {
  background: rgba(217, 119, 6, 0.2);
  color: var(--text);
}