/* ===== CSS Variables ===== */
:root {
  --color-primary: #1a1a1a;
  --color-secondary: #2d2d2d;
  --color-accent: #c9a962;
  --color-accent-dark: #b8944d;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-white: #ffffff;
  --color-off-white: #f8f8f8;
  --color-border: #e5e5e5;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);

  --container-max: 1400px;
  --container-padding: 2rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

/* ===== Utility Classes ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-description {
  margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 0;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-full {
  width: 100%;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.navbar.scrolled .logo,
.navbar.scrolled .nav-link {
  color: var(--color-primary);
}

.navbar.scrolled .hamburger,
.navbar.scrolled .hamburger::before,
.navbar.scrolled .hamburger::after {
  background-color: var(--color-primary);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  padding: 0.5rem 0;
}

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

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

.nav-toggle {
  display: none;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
}

.hamburger {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transform: translateY(-50%);
  transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-normal);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.nav-toggle.active .hamburger {
  background-color: transparent;
}

.nav-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%),
    url('https://images.unsplash.com/photo-1452587925148-ce544e77e70d?w=1920&q=80') center/cover no-repeat;
  color: var(--color-white);
  text-align: center;
  padding: 0 var(--container-padding);
}

.hero-content {
  max-width: 900px;
  animation: fadeInUp 1s ease forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
}

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

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: bounce 2s infinite;
}

.hero-scroll span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-white), transparent);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-10px);
  }

  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ===== Portfolio Section ===== */
.portfolio {
  padding: 8rem 0;
  background-color: var(--color-white);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  background-color: transparent;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-primary);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item.large {
  grid-column: span 2;
  aspect-ratio: 2/1;
}

.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.gallery-overlay h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.gallery-overlay p {
  font-size: 0.875rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

/* ===== About Section ===== */
.about {
  padding: 8rem 0;
  background-color: var(--color-off-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}

.about-image-accent {
  position: absolute;
  top: 2rem;
  left: 2rem;
  right: -2rem;
  bottom: -2rem;
  border: 2px solid var(--color-accent);
  z-index: 0;
}

.about-content .section-tag,
.about-content .section-title {
  text-align: left;
}

.about-text {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== Services Section ===== */
.services {
  padding: 8rem 0;
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 2.5rem;
  background-color: var(--color-off-white);
  text-align: center;
  transition: all var(--transition-normal);
}

.service-card:hover {
  background-color: var(--color-primary);
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover .service-icon,
.service-card:hover h3,
.service-card:hover p {
  color: var(--color-white);
}

.service-card:hover .service-price {
  color: var(--color-accent);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
  transition: color var(--transition-normal);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  transition: color var(--transition-normal);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  transition: color var(--transition-normal);
}

.service-price {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition-normal);
}

/* ===== Testimonials Section ===== */
.testimonials {
  padding: 8rem 0;
  background-color: var(--color-primary);
  color: var(--color-white);
}

.testimonials .section-tag {
  color: var(--color-accent);
}

.testimonials .section-title {
  color: var(--color-white);
}

.testimonials-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: 0 2rem;
  text-align: center;
}

.testimonial-content {
  margin-bottom: 2rem;
}

.testimonial-content p {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-author span {
  font-size: 0.875rem;
  color: var(--color-accent);
}

.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
}

.testimonial-btn {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  transition: all var(--transition-normal);
}

.testimonial-btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

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

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.testimonial-dot.active {
  background-color: var(--color-accent);
}

/* ===== Contact Section ===== */
.contact {
  padding: 8rem 0;
  background-color: var(--color-off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
}

.contact-info .section-tag,
.contact-info .section-title {
  text-align: left;
}

.contact-info>p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.contact-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.contact-form {
  background-color: var(--color-white);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-off-white);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-white);
}

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-normal);
}

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

.footer-bottom {
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--color-white);
  transition: color var(--transition-normal);
  z-index: 2001;
}

.lightbox-close:hover {
  color: var(--color-accent);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-white);
  padding: 1rem;
  transition: color var(--transition-normal);
  z-index: 2001;
}

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

.lightbox-nav.prev {
  left: 2rem;
}

.lightbox-nav.next {
  right: 2rem;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  margin: 0 auto;
}

.lightbox-caption {
  margin-top: 1.5rem;
  color: var(--color-white);
}

.lightbox-caption h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.lightbox-caption p {
  font-size: 0.875rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 992px) {
  :root {
    --container-padding: 1.5rem;
  }

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

  .about-image-accent {
    display: none;
  }

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

  .gallery-item.large {
    grid-column: span 2;
  }

  .gallery-item.tall {
    grid-row: span 1;
    aspect-ratio: 1;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-primary);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: right var(--transition-normal);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.5rem;
    color: var(--color-white);
  }

  .navbar.scrolled .nav-link {
    color: var(--color-white);
  }

  .hero-title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .hero-subtitle {
    font-size: 0.875rem;
  }

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

  .about-stats {
    flex-wrap: wrap;
    gap: 2rem;
  }

  .stat {
    flex: 1 1 calc(50% - 1rem);
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .testimonial-content p {
    font-size: 1.25rem;
  }

  .lightbox-nav.prev {
    left: 0.5rem;
  }

  .lightbox-nav.next {
    right: 0.5rem;
  }
}

@media (max-width: 576px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item.large {
    grid-column: span 1;
    aspect-ratio: 16/9;
  }

  .filter-buttons {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .btn {
    padding: 0.875rem 2rem;
  }
}