/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: #334155;
  background: #f8fafc;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: 'Lora', Georgia, serif; color: #1e293b; line-height: 1.25; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0d9488;
  background: rgba(13,148,136,0.08);
  border: 1px solid rgba(13,148,136,0.15);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.section-tag--light { color: #99f6e4; background: rgba(153,246,228,0.12); border-color: rgba(153,246,228,0.2); }
.section-title { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 1rem; }
.section-title--light { color: #f1f5f9; }
.section-desc { font-size: 1.1rem; color: #64748b; max-width: 640px; }
.section-desc--light { color: #94a3b8; }
.section-header { text-align: center; margin-bottom: 3.5rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 0.95rem;
  border-radius: 12px; transition: all 0.25s ease; white-space: nowrap;
}
.btn-primary {
  background: #0d9488; color: #fff;
  box-shadow: 0 4px 14px rgba(13,148,136,0.35);
}
.btn-primary:hover { background: #0f766e; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(13,148,136,0.4); }
.btn-ghost {
  background: rgba(255,255,255,0.15); color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.25); transform: translateY(-2px); }
.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; padding: 1rem; }

/* ===== NAVIGATION ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(13,148,136,0.08);
  box-shadow: 0 1px 12px rgba(0,0,0,0.04);
}
.nav-inner { display: flex; align-items: center; padding-top: 0; padding-bottom: 0; height: 72px; }
.logo { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.logo-icon { color: #0d9488; }
.logo-text { font-family: 'Lora', serif; font-weight: 600; font-size: 1.05rem; color: #1e293b; }
.logo-sub { font-size: 0.7rem; color: #0d9488; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; margin-top: -2px; }
.logo--light .logo-text { color: #f1f5f9; }
.logo--light .logo-sub { color: #99f6e4; }
.nav-menu ul { display: flex; align-items: center; gap: 0.25rem; margin-left: auto; }
.nav-menu a { padding: 0.5rem 1rem; border-radius: 8px; font-size: 0.9rem; font-weight: 500; color: #475569; transition: all 0.2s; }
.nav-menu a:hover { color: #0d9488; background: rgba(13,148,136,0.06); }
.nav-menu .btn-primary { color: #fff; }
.nav-menu .btn-primary:hover { background: #0f766e; }

/* Mobile toggle */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: #475569; border-radius: 2px; transition: all 0.3s; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(255,255,255,0.98); backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(13,148,136,0.08);
    padding: 1rem 1.5rem;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: all 0.3s ease;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-menu ul { flex-direction: column; gap: 0.25rem; width: 100%; }
  .nav-menu a { width: 100%; padding: 0.75rem 1rem; }
}

/* ===== HERO ===== */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #f0fdfa 0%, #f8fafc 40%, #f1f5f9 100%);
  padding: 4rem 0 5rem;
  min-height: 90vh; display: flex; align-items: center;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; }
.shape-1 { width: 500px; height: 500px; background: rgba(13,148,136,0.12); top: -10%; right: -5%; }
.shape-2 { width: 350px; height: 350px; background: rgba(100,228,199,0.15); bottom: -5%; left: 10%; }
.shape-3 { width: 200px; height: 200px; background: rgba(186,230,253,0.25); top: 30%; left: 40%; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; font-weight: 600; color: #0d9488;
  background: rgba(13,148,136,0.08); border: 1px solid rgba(13,148,136,0.15);
  padding: 0.4rem 1rem; border-radius: 100px; margin-bottom: 1.5rem;
}
.hero-title { font-size: clamp(2rem, 4.5vw, 3.25rem); margin-bottom: 1.25rem; color: #0f172a; line-height: 1.15; }
.hero-desc { font-size: 1.1rem; color: #475569; margin-bottom: 2rem; max-width: 520px; line-height: 1.75; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats { display: flex; gap: 2rem; align-items: center; }
.stat-num { display: block; font-family: 'Lora', serif; font-size: 1.75rem; font-weight: 600; color: #0d9488; line-height: 1; }
.stat-label { font-size: 0.8rem; color: #64748b; margin-top: 0.3rem; }
.stat-divider { width: 1px; height: 40px; background: rgba(13,148,136,0.15); }

.hero-image-wrap { position: relative; }
.hero-image { border-radius: 24px; overflow: hidden; box-shadow: 0 25px 60px rgba(0,0,0,0.12); }
.hero-image img { width: 100%; height: 100%; object-fit: cover; }
.hero-float-card {
  position: absolute; display: flex; align-items: center; gap: 0.75rem;
  background: #fff; border-radius: 16px; padding: 1rem 1.25rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1); z-index: 2;
}
.card-float-1 { top: 10%; left: -10%; animation: float 4s ease-in-out infinite; }
.card-float-2 { bottom: 15%; right: -8%; animation: float 4s ease-in-out infinite 2s; }
.float-card-icon { color: #0d9488; flex-shrink: 0; }
.float-card-icon svg { width: 22px; height: 22px; }
.hero-float-card strong { display: block; font-size: 0.85rem; color: #1e293b; }
.hero-float-card span { font-size: 0.75rem; color: #64748b; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 900px) {
  .hero { padding: 3rem 0 4rem; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-image-wrap { max-width: 480px; margin: 0 auto; }
  .card-float-1 { left: 0; }
  .card-float-2 { right: 0; }
  .hero-stats { gap: 1.5rem; }
}

/* ===== SERVICES ===== */
.services { padding: 6rem 0; background: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.service-card {
  background: #f8fafc; border: 1px solid rgba(13,148,136,0.08);
  border-radius: 20px; padding: 2.25rem; transition: all 0.3s ease;
}
.service-card:hover { border-color: rgba(13,148,136,0.2); box-shadow: 0 12px 40px rgba(13,148,136,0.08); transform: translateY(-4px); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(13,148,136,0.1); color: #0d9488;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.service-card > p { color: #64748b; font-size: 0.95rem; margin-bottom: 1.25rem; }
.service-list { display: flex; flex-direction: column; gap: 0.5rem; }
.service-list li {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.9rem; color: #475569;
}
.service-list li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #0d9488; flex-shrink: 0; }

@media (max-width: 700px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ===== ABOUT ===== */
.about { padding: 6rem 0; background: linear-gradient(180deg, #f8fafc 0%, #f0fdfa 100%); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-images { position: relative; }
.about-img-main { border-radius: 24px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.1); }
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }
.about-img-secondary {
  position: absolute; bottom: -2rem; right: -1.5rem;
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 12px 35px rgba(0,0,0,0.12);
  border: 4px solid #f0fdfa;
}
.about-accent { position: absolute; top: -1.5rem; left: -1rem; z-index: 2; }
.accent-badge {
  background: #0d9488; color: #fff; border-radius: 16px;
  padding: 1rem 1.25rem; text-align: center;
  box-shadow: 0 8px 25px rgba(13,148,136,0.3);
}
.accent-num { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.8; }
.accent-year { display: block; font-family: 'Lora', serif; font-size: 1.5rem; font-weight: 600; }
.about-content .section-tag { margin-bottom: 1rem; }
.about-content .section-title { margin-bottom: 1.25rem; }
.about-text { color: #475569; margin-bottom: 1rem; font-size: 1rem; }
.about-values { display: flex; flex-direction: column; gap: 1.25rem; margin: 2rem 0; }
.value-item { display: flex; gap: 1rem; align-items: flex-start; }
.value-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: rgba(13,148,136,0.1); color: #0d9488;
  display: flex; align-items: center; justify-content: center;
}
.value-item strong { display: block; font-size: 0.95rem; color: #1e293b; }
.value-item span { font-size: 0.875rem; color: #64748b; }

@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-images { max-width: 480px; }
}

/* ===== WHY US ===== */
.why-us { padding: 6rem 0; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); position: relative; overflow: hidden; }
.why-us::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(13,148,136,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; z-index: 1; }
.why-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px; padding: 2rem; transition: all 0.3s;
}
.why-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(13,148,136,0.3); transform: translateY(-4px); }
.why-num { font-family: 'Lora', serif; font-size: 2rem; font-weight: 600; color: rgba(13,148,136,0.5); line-height: 1; margin-bottom: 1rem; }
.why-card h3 { font-size: 1.15rem; color: #f1f5f9; margin-bottom: 0.6rem; }
.why-card p { font-size: 0.9rem; color: #94a3b8; line-height: 1.65; }

@media (max-width: 900px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .why-grid { grid-template-columns: 1fr; } }

/* ===== TESTIMONIALS ===== */
.testimonials { padding: 6rem 0; background: #fff; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial-card {
  background: #f8fafc; border: 1px solid rgba(13,148,136,0.08);
  border-radius: 20px; padding: 2rem; transition: all 0.3s;
}
.testimonial-card:hover { border-color: rgba(13,148,136,0.18); box-shadow: 0 8px 30px rgba(13,148,136,0.07); transform: translateY(-4px); }
.testimonial-stars { display: flex; gap: 0.2rem; margin-bottom: 1.25rem; color: #f59e0b; }
.testimonial-text { font-size: 0.95rem; color: #475569; line-height: 1.75; margin-bottom: 1.5rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.author-avatar { border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.author-avatar img { width: 40px; height: 40px; object-fit: cover; }
.testimonial-author strong { display: block; font-size: 0.9rem; color: #1e293b; }
.testimonial-author span { font-size: 0.8rem; color: #64748b; }

@media (max-width: 900px) { .testimonials-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; } }

/* ===== CONTACT ===== */
.contact { padding: 6rem 0; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); position: relative; overflow: hidden; }
.contact::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(13,148,136,0.12) 0%, transparent 55%);
  pointer-events: none;
}
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; position: relative; z-index: 1; }
.contact-desc { color: #94a3b8; font-size: 1.05rem; margin-bottom: 2.5rem; line-height: 1.75; }
.contact-details { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: rgba(13,148,136,0.15); color: #99f6e4;
  display: flex; align-items: center; justify-content: center;
}
.contact-item strong { display: block; font-size: 0.9rem; color: #f1f5f9; margin-bottom: 0.2rem; }
.contact-item span, .contact-item a { font-size: 0.9rem; color: #94a3b8; }
.contact-item a:hover { color: #99f6e4; }
.contact-item address { font-style: normal; line-height: 1.7; }

/* Form */
.contact-form-wrap {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px; padding: 2.5rem; backdrop-filter: blur(8px);
}
.form-title { font-size: 1.5rem; color: #f1f5f9; margin-bottom: 1.75rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: #94a3b8; margin-bottom: 0.4rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.06);
  color: #f1f5f9; font-family: 'DM Sans', sans-serif; font-size: 0.95rem;
  transition: all 0.2s; outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #64748b; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: #0d9488; background: rgba(13,148,136,0.08);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.15);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: #1e293b; color: #f1f5f9; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  text-align: center; padding: 2rem 1rem;
}
.form-success .success-icon { color: #99f6e4; }
.form-success p { color: #94a3b8; font-size: 0.95rem; }
.form-success strong { color: #f1f5f9; }

@media (max-width: 900px) {
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
}

/* ===== FOOTER ===== */
.footer { background: #0c1222; padding: 4rem 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 3rem; padding-bottom: 3rem; }
.footer-tagline { color: #64748b; font-size: 0.9rem; margin-top: 1rem; max-width: 300px; }
.footer-links h4, .footer-contact h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: #94a3b8; margin-bottom: 1rem; font-family: 'DM Sans', sans-serif; font-weight: 600; }
.footer-links ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.9rem; color: #64748b; transition: color 0.2s; }
.footer-links a:hover { color: #99f6e4; }
.footer-contact address { font-style: normal; font-size: 0.9rem; color: #64748b; line-height: 1.8; }
.footer-contact a { color: #64748b; transition: color 0.2s; }
.footer-contact a:hover { color: #99f6e4; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 1.5rem 0; }
.footer-bottom-inner { display: flex; flex-direction: column; gap: 0.4rem; align-items: flex-start; }
.footer-bottom p { font-size: 0.8rem; color: #475569; }

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom-inner { align-items: center; text-align: center; }
}

/* ===== 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.visible { opacity: 1; transform: translateY(0); }
}