/* =========================================
   KALIT TEST — Photographer Portfolio
   Color Palette: warm neutrals, dark charcoal, cream
   ========================================= */

:root {
  --color-bg:        #F9F6F2;
  --color-bg-alt:    #F2EDE7;
  --color-text:      #1C1916;
  --color-text-muted:#6B6560;
  --color-accent:    #2C2420;
  --color-accent-light: #8C7B6E;
  --color-border:    #DDD6CE;
  --color-white:     #FFFFFF;
  --color-overlay:   rgba(28, 25, 22, 0.5);

  --font-serif:      'Playfair Display', Georgia, serif;
  --font-sans:       'Inter', system-ui, sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;

  --radius-sm: 4px;
  --radius-md: 8px;

  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 540px;
  line-height: 1.8;
}
.divider {
  width: 48px;
  height: 2px;
  background-color: var(--color-accent);
  margin-bottom: var(--space-md);
}

/* ---- Fade-in on scroll ---- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }


/* ===========================================
   NAVIGATION
   =========================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
#navbar.scrolled {
  background-color: rgba(249, 246, 242, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border);
  padding: 0.9rem var(--space-md);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-logo img {
  height: 38px;
  width: auto;
}
.nav-logo-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-white);
  transition: color var(--transition);
}
#navbar.scrolled .nav-logo-text { color: var(--color-text); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--transition);
}
.nav-links a:hover::after { width: 100%; }
#navbar.scrolled .nav-links a { color: var(--color-text); }

.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white) !important;
  background: transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition) !important;
}
.nav-cta:hover {
  background-color: var(--color-white);
  color: var(--color-text) !important;
}
#navbar.scrolled .nav-cta {
  border-color: var(--color-accent);
  color: var(--color-text) !important;
}
#navbar.scrolled .nav-cta:hover {
  background-color: var(--color-accent);
  color: var(--color-white) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}
#navbar.scrolled .hamburger span { background-color: var(--color-text); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hamburger.open span { background-color: var(--color-text) !important; }

/* Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background-color: var(--color-bg);
  z-index: 999;
  padding: 5rem var(--space-md) var(--space-md);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--color-accent-light); }
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-overlay.open { opacity: 1; pointer-events: all; }


/* ===========================================
   HERO SECTION
   =========================================== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  transition: transform 8s ease-out;
}
.hero-bg.loaded { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(28, 25, 22, 0.45) 0%,
    rgba(28, 25, 22, 0.3) 50%,
    rgba(28, 25, 22, 0.6) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 var(--space-md);
}
.hero-tagline-top {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.25rem;
  display: block;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.85);
  font-style: italic;
  font-family: var(--font-serif);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.4);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.9);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { top: -100%; }
  100% { top: 100%; }
}


/* ===========================================
   ABOUT SECTION
   =========================================== */
#about {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap::before {
  content: '';
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  right: -1.5rem;
  bottom: -1.5rem;
  border: 1px solid var(--color-border);
  z-index: 0;
}
.about-image-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center top;
}
.about-text { padding-left: var(--space-md); }
.about-quote {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-accent);
  line-height: 1.6;
  margin: var(--space-md) 0;
  padding-left: 1.5rem;
  border-left: 2px solid var(--color-accent);
}
.about-bio {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: var(--space-md);
}
.about-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--color-text);
  display: block;
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
  display: block;
}


/* ===========================================
   PORTFOLIO / GALLERY SECTION
   =========================================== */
#portfolio {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-alt);
}
.portfolio-header { text-align: center; margin-bottom: var(--space-md); }
.portfolio-header .section-subtitle { margin: 0 auto; }

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}
.filter-btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid transparent;
  border-radius: 100px;
  transition: all var(--transition);
  background: transparent;
}
.filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}
.filter-btn.active {
  color: var(--color-white);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 1rem;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-border);
}
.gallery-item:nth-child(1) { grid-row: span 2; }
.gallery-item:nth-child(4) { grid-column: span 2; }
.gallery-item:nth-child(6) { grid-row: span 2; }

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover img { transform: scale(1.06); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,25,22,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-info { color: var(--color-white); }
.gallery-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  display: block;
}
.gallery-cat {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-top: 0.25rem;
  display: block;
}
.gallery-item[data-hidden="true"] {
  display: none;
}


/* ===========================================
   SERVICES SECTION
   =========================================== */
#services {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg);
}
.services-header { text-align: center; margin-bottom: var(--space-lg); }
.services-header .section-subtitle { margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.service-card {
  padding: var(--space-md) var(--space-md) var(--space-lg);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: center;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
  border-color: var(--color-accent-light);
}
.service-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.service-icon svg { width: 32px; height: 32px; stroke-width: 1.5; }
.service-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}
.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.service-price {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  width: 100%;
}


/* ===========================================
   TESTIMONIALS SECTION
   =========================================== */
#testimonials {
  padding: var(--space-xl) 0;
  background-color: var(--color-accent);
  color: var(--color-white);
}
.testimonials-header { text-align: center; margin-bottom: var(--space-lg); }
.testimonials-header .section-label { color: rgba(255,255,255,0.5); }
.testimonials-header .section-title { color: var(--color-white); }
.testimonials-header .divider { background-color: rgba(255,255,255,0.3); margin: 0 auto var(--space-md); }

.testimonial-carousel {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}
.testimonial-track {
  overflow: hidden;
}
.testimonial-item {
  display: none;
  text-align: center;
  padding: 0 var(--space-md);
  animation: fadeSlide 0.5s ease;
}
.testimonial-item.active { display: block; }
@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.quote-icon {
  font-family: var(--font-serif);
  font-size: 5rem;
  line-height: 0.5;
  color: rgba(255,255,255,0.15);
  display: block;
  margin-bottom: var(--space-sm);
}
.testimonial-text {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-style: italic;
  line-height: 1.7;
  color: rgba(255,255,255,0.92);
  margin-bottom: var(--space-md);
}
.testimonial-author-name {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--color-white);
  display: block;
}
.testimonial-author-role {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-top: 0.25rem;
}
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: var(--space-md);
}
.carousel-btn {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background-color var(--transition), border-color var(--transition);
}
.carousel-btn:hover {
  background-color: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.6);
}
.carousel-btn svg { width: 16px; height: 16px; }
.carousel-dots {
  display: flex;
  gap: 0.5rem;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition);
}
.dot.active {
  background-color: var(--color-white);
  transform: scale(1.3);
}


/* ===========================================
   CONTACT SECTION
   =========================================== */
#contact {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-xl);
  align-items: start;
}
.contact-info-block { padding-top: 0.5rem; }
.contact-details {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-item-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}
.contact-item-icon svg { width: 16px; height: 16px; }
.contact-item-text strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}
.contact-item-text span {
  font-size: 0.95rem;
  color: var(--color-text);
}
.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-md);
}
.social-link {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}
.social-link:hover {
  color: var(--color-white);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}
.social-link svg { width: 16px; height: 16px; }

/* Contact Form */
.contact-form-wrap {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(44, 36, 32, 0.08);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group.error input,
.form-group.error textarea {
  border-color: #C0392B;
}
.form-error-msg {
  font-size: 0.78rem;
  color: #C0392B;
  margin-top: 0.35rem;
  display: none;
}
.form-group.error .form-error-msg { display: block; }
.btn-submit {
  width: 100%;
  padding: 0.9rem var(--space-md);
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), transform var(--transition);
  border: 1px solid var(--color-accent);
}
.btn-submit:hover {
  background-color: #1C1916;
  transform: translateY(-1px);
}
.btn-submit:active { transform: translateY(0); }
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-md) 0;
}
.form-success.show { display: block; }
.form-success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #2D6A4F;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
}
.form-success-icon svg { width: 24px; height: 24px; }
.form-success h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}
.form-success p { color: var(--color-text-muted); }


/* ===========================================
   FOOTER
   =========================================== */
footer {
  background-color: var(--color-text);
  color: rgba(255,255,255,0.6);
  padding: var(--space-md) 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
}
.footer-copy {
  font-size: 0.82rem;
}
.footer-social {
  display: flex;
  gap: 0.5rem;
}
.footer-social .social-link {
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.5);
}
.footer-social .social-link:hover {
  border-color: rgba(255,255,255,0.7);
  background-color: rgba(255,255,255,0.1);
  color: var(--color-white);
}

/* Back to top */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
#back-to-top:hover { background-color: #1C1916; }
#back-to-top svg { width: 18px; height: 18px; }


/* ===========================================
   LIGHTBOX
   =========================================== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.93);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-img {
  max-width: 85vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  user-select: none;
}
.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  color: rgba(255,255,255,0.7);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.lightbox-close:hover { color: white; }
.lightbox-close svg { width: 18px; height: 18px; }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition);
}
.lightbox-nav:hover {
  background-color: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.7);
}
.lightbox-nav.prev { left: -3.5rem; }
.lightbox-nav.next { right: -3.5rem; }
.lightbox-nav svg { width: 18px; height: 18px; }
.lightbox-caption {
  position: absolute;
  bottom: -2.5rem;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}


/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item:nth-child(1) { grid-row: auto; }
  .gallery-item:nth-child(4) { grid-column: auto; }
  .gallery-item:nth-child(6) { grid-row: auto; }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4.5rem;
    --space-lg: 3rem;
  }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .about-grid { grid-template-columns: 1fr; }
  .about-text { padding-left: 0; }
  .about-image-wrap::before { display: none; }
  .about-image-wrap img { height: 350px; }
  .about-stats { justify-content: center; }

  .gallery-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .gallery-item img { min-height: 220px; }

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

  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: var(--space-md); }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }

  .lightbox-nav.prev { left: -2rem; }
  .lightbox-nav.next { right: -2rem; }
  .lightbox-img { max-width: 92vw; }
}

@media (max-width: 480px) {
  .hero-title { letter-spacing: 0.04em; }
  .filter-tabs { gap: 0.15rem; }
  .filter-btn { padding: 0.4rem 1rem; font-size: 0.75rem; }
  .about-stats { gap: var(--space-md); }
  #back-to-top { bottom: 1.5rem; right: 1.5rem; }
}