/* ========== CUSTOM PROPERTIES ========== */
:root {
  --color-primary: #0D9488;
  --color-primary-dark: #0F766E;
  --color-primary-light: #99F6E4;
  --color-primary-50: #F0FDFA;
  --color-primary-100: #CCFBF1;

  --color-slate-50: #F8FAFC;
  --color-slate-100: #F1F5F9;
  --color-slate-200: #E2E8F0;
  --color-slate-300: #CBD5E1;
  --color-slate-400: #94A3B8;
  --color-slate-500: #64748B;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1E293B;
  --color-slate-900: #0F172A;

  --color-bg: #F8FAFC;
  --color-bg-alt: #FFFFFF;
  --color-text: #1E293B;
  --color-text-light: #475569;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;

  --font-heading: 'Lora', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.14), 0 8px 20px rgba(15, 23, 42, 0.08);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, select, textarea { font: inherit; }

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--color-slate-900);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 560px;
  line-height: 1.7;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-desc { margin: 0 auto; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--color-slate-800);
  border: 2px solid var(--color-slate-200);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-white {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-full { width: 100%; }

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-slate-800);
}
.logo-icon { flex-shrink: 0; }
.logo-accent { color: var(--color-primary); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a:not(.btn) {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-slate-600);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.main-nav a:not(.btn):hover {
  color: var(--color-primary);
  background: var(--color-primary-50);
}
.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.hamburger, .hamburger::before, .hamburger::after {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-slate-700);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: rotate(-45deg); top: 0; }

/* ========== HERO ========== */
.hero {
  padding-top: 72px;
  background: linear-gradient(135deg, var(--color-slate-50) 0%, var(--color-primary-50) 50%, var(--color-slate-100) 100%);
  overflow: hidden;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0 80px;
}
.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-primary-dark);
  background: rgba(13, 148, 136, 0.1);
  border: 1px solid rgba(13, 148, 136, 0.2);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-slate-900);
  margin-bottom: 20px;
}
.hero-headline em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-slate-600);
}
.trust-item svg { color: var(--color-primary); flex-shrink: 0; }

/* Hero Images */
.hero-image-wrap {
  position: relative;
  height: 620px;
  flex-shrink: 0;
}
.hero-image-main {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-image-float {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid #fff;
}
.hero-image-float--top {
  top: 20px;
  right: -30px;
  width: 280px;
}
.hero-image-float--bottom {
  bottom: 40px;
  left: -20px;
  width: 260px;
}
.hero-image-float img { width: 100%; height: 100%; object-fit: cover; }

.hero-accent-circle {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.15) 0%, transparent 70%);
  top: 50%;
  right: -60px;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 60px; }

/* ========== SERVICES ========== */
.services {
  padding: 96px 0;
  background: var(--color-bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-100);
}
.service-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.service-card-body {
  padding: 24px;
}
.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-50);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}
.service-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 8px;
}
.service-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition);
}
.service-link:hover { gap: 10px; }

/* ========== ABOUT ========== */
.about {
  padding: 96px 0;
  background: var(--color-bg-alt);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-images { 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; }
.about-img-secondary {
  position: absolute;
  bottom: -32px;
  right: -24px;
  width: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 5px solid #fff;
}
.about-img-secondary img { width: 100%; height: 100%; object-fit: cover; }

.about-experience-badge {
  position: absolute;
  top: -20px;
  left: -16px;
  width: 100px;
  height: 100px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 5px solid #fff;
  box-shadow: var(--shadow-md);
  z-index: 2;
}
.about-experience-badge .exp-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.about-experience-badge .exp-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about-content .section-tag { margin-bottom: 16px; }
.about-content .section-title { margin-bottom: 20px; }
.about-text {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text em { color: var(--color-primary-dark); font-style: italic; }

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 28px 0 32px;
}
.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.about-feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-50);
  border-radius: var(--radius-md);
}
.about-feature strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 2px;
}
.about-feature span {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ========== GALLERY ========== */
.gallery {
  padding: 96px 0;
  background: var(--color-bg);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  aspect-ratio: 1;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

/* ========== CTA ========== */
.cta {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--color-slate-800) 0%, var(--color-slate-900) 100%);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.2) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-content { flex: 1; }
.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-text {
  font-size: 1.05rem;
  color: var(--color-slate-300);
  line-height: 1.75;
  max-width: 480px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}

/* ========== CONTACT ========== */
.contact {
  padding: 96px 0;
  background: var(--color-bg-alt);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info .section-tag { margin-bottom: 16px; }
.contact-info .section-title { margin-bottom: 16px; }
.contact-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 32px;
}

.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-detail-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-50);
  border-radius: var(--radius-md);
}
.contact-detail strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 4px;
}
.contact-detail p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.contact-detail a {
  color: var(--color-primary);
  transition: color var(--transition);
}
.contact-detail a:hover { color: var(--color-primary-dark); }

/* Form */
.contact-form-wrap {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.form-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 6px;
}
.form-sub {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate-700);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-slate-400); }
.form-group textarea { resize: vertical; min-height: 100px; }

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  padding: 32px 20px;
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  border-radius: var(--radius-lg);
  margin-top: 20px;
}
.form-success svg { color: var(--color-primary); }
.form-success strong {
  font-size: 1.05rem;
  color: var(--color-slate-800);
}
.form-success p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-slate-900);
  color: var(--color-slate-300);
  padding: 64px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-tagline {
  font-size: 0.92rem;
  color: var(--color-slate-400);
  line-height: 1.7;
  max-width: 300px;
}
.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--color-slate-400);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-primary-light); }
.footer-contact p {
  font-size: 0.9rem;
  line-height: 1.8;
}
.footer-contact a {
  color: var(--color-slate-300);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--color-primary-light); }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-slate-500);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-grid { gap: 32px; }
  .hero-image-wrap { height: 480px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
  }
  .main-nav a:not(.btn) {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
  }
  .nav-cta { margin-left: 0; text-align: center; }

  .hero-grid {
    grid-template-columns: 1fr;
    padding: 48px 0 64px;
  }
  .hero-image-wrap {
    height: 400px;
    order: -1;
  }
  .hero-image-float--top { right: -10px; width: 200px; }
  .hero-image-float--bottom { left: -10px; width: 190px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 16px; }

  .services { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }

  .about { padding: 64px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-secondary { width: 180px; right: -12px; bottom: -20px; }
  .about-experience-badge { width: 80px; height: 80px; left: -8px; top: -12px; }
  .about-experience-badge .exp-number { font-size: 1.3rem; }

  .gallery { padding: 64px 0; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .cta { padding: 64px 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-text { margin: 0 auto; }
  .cta-actions { justify-content: center; }

  .contact { padding: 64px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 28px; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-image-wrap { height: 320px; }
  .hero-image-float { display: none; }
  .gallery-grid { grid-template-columns: 1fr; }
}