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

:root {
  --teal-50: #f0fdfa;
  --teal-100: #ccfbf1;
  --teal-200: #99f6e4;
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --teal-600: #0f766e;
  --teal-700: #0d5f5a;
  --teal-800: #0a4a46;
  --teal-900: #083633;

  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #080d18;

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

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
  --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.18);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--slate-800);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--teal-600);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 12px;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}
.logo-icon { flex-shrink: 0; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate-600);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover {
  color: var(--teal-600);
  background: var(--teal-50);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal-600);
  color: #fff;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.3);
}
.btn-primary:hover {
  background: var(--teal-700);
  box-shadow: 0 4px 16px rgba(15, 118, 110, 0.4);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--slate-700);
  border: 1.5px solid var(--slate-300);
}
.btn-ghost:hover {
  border-color: var(--teal-500);
  color: var(--teal-600);
  background: var(--teal-50);
}
.btn-nav {
  background: var(--teal-600);
  color: #fff;
  margin-left: 8px;
}
.btn-nav:hover {
  background: var(--teal-700);
  color: #fff;
}
.btn-full { width: 100%; justify-content: center; }

/* ===== NAV TOGGLE ===== */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--slate-100); }
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--slate-700);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}
.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  padding-top: 72px;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--slate-950) 0%, var(--slate-900) 50%, var(--teal-900) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0;
  width: 100%;
}

.hero-content {
  color: #fff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(20, 184, 166, 0.15);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #fff;
}
.hero-headline br { display: none; }

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--slate-300);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}
.hero-actions .btn-primary {
  background: var(--teal-500);
  color: var(--slate-950);
}
.hero-actions .btn-primary:hover {
  background: var(--teal-400);
}
.hero-actions .btn-ghost {
  border-color: var(--slate-600);
  color: var(--slate-200);
}
.hero-actions .btn-ghost:hover {
  border-color: var(--teal-400);
  color: var(--teal-400);
  background: rgba(20, 184, 166, 0.08);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--slate-700);
}

.hero-image {
  position: relative;
}
.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  background: var(--teal-500);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.4;
}

/* ===== SECTION COMMON ===== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal-600);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--slate-500);
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services {
  padding: 100px 0;
  background: var(--slate-50);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--teal-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  border-radius: var(--radius-md);
  color: var(--teal-600);
  margin-bottom: 20px;
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: var(--teal-600);
  border-color: var(--teal-600);
  color: #fff;
}
.service-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.service-card p {
  font-size: 0.92rem;
  color: var(--slate-500);
  line-height: 1.7;
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: #fff;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image {
  position: relative;
}
.about-img-main {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-img-float {
  position: absolute;
  bottom: -32px;
  right: -32px;
  width: 200px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #fff;
}
.about-img-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-badge {
  position: absolute;
  top: -16px;
  left: -16px;
  background: var(--teal-600);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.badge-year {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
}
.badge-num {
  font-size: 1.1rem;
  font-weight: 700;
}
.about-content .section-tag { margin-bottom: 12px; }
.about-content .section-title { margin-bottom: 20px; }
.about-content > p {
  font-size: 1rem;
  color: var(--slate-600);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
}
.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate-700);
}
.about-feature svg { flex-shrink: 0; }

/* ===== GALLERY ===== */
.gallery {
  padding: 100px 0;
  background: var(--slate-50);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--slate-200);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.gallery-item:hover img {
  transform: scale(1.05);
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--slate-900);
  color: #fff;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact .section-tag { color: var(--teal-400); }
.contact .section-title { color: #fff; }
.contact-desc {
  font-size: 1.05rem;
  color: var(--slate-400);
  line-height: 1.7;
  margin-bottom: 40px;
}
.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-item dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-500);
  margin-bottom: 6px;
  font-weight: 600;
}
.contact-item dd {
  font-size: 0.95rem;
  color: var(--slate-200);
  line-height: 1.7;
}
.contact-item a {
  color: var(--teal-400);
  transition: color var(--transition);
}
.contact-item a:hover {
  color: var(--teal-300);
  text-decoration: underline;
}

/* ===== CONTACT FORM ===== */
.contact-form-wrap {
  background: var(--slate-800);
  border: 1px solid var(--slate-700);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--slate-900);
  border: 1.5px solid var(--slate-700);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--slate-600);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: var(--radius-sm);
  color: var(--teal-400);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--slate-950);
  color: var(--slate-400);
  padding: 60px 0 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-brand .logo { color: #fff; }
.footer-tagline {
  font-size: 0.9rem;
  color: var(--slate-500);
  max-width: 280px;
}
.footer-nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate-400);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--teal-400); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact a {
  color: var(--slate-400);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--teal-400); }
.footer-bottom {
  border-top: 1px solid var(--slate-800);
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--slate-600);
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== MOBILE NAV ===== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: var(--shadow-lg);
    padding: 16px 24px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    pointer-events: none;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav a {
    padding: 12px 16px;
    font-size: 1rem;
  }
  .btn-nav {
    margin-left: 0;
    text-align: center;
    justify-content: center;
    margin-top: 8px;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid { gap: 32px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }
  .contact-grid { gap: 48px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .hero-grid {
    grid-template-columns: 1fr;
    padding: 40px 0 60px;
    gap: 40px;
  }
  .hero-headline { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .hero-headline br { display: block; }
  .hero-image { order: -1; }
  .hero-img-wrap { border-radius: var(--radius-lg); }
  .hero-accent { display: none; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 1.25rem; }

  .services { padding: 72px 0; }
  .services-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 28px 24px; }

  .about { padding: 72px 0; }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-img-float { width: 160px; right: -16px; bottom: -20px; }
  .about-badge { top: -12px; left: -8px; }
  .about-features { grid-template-columns: 1fr; }

  .gallery { padding: 72px 0; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .contact { padding: 72px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-details { grid-template-columns: 1fr; gap: 24px; }
  .contact-form-wrap { padding: 28px; }

  .site-footer { padding: 48px 0 0; }
  .footer-inner { gap: 32px; }
  .footer-nav { gap: 20px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stat-divider { display: none; }
  .gallery-grid { grid-template-columns: 1fr; }
}