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

:root {
  --primary: #00B4B7;
  --primary-dark: #019A9D;
  --dark: #1F2937;
  --text: #374151;
  --light-bg: #F8FAFC;
  --border: #E5E7EB;
  --white: #FFFFFF;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(31, 41, 55, 0.06);
  --shadow-hover: 0 10px 30px rgba(31, 41, 55, 0.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

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

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0, 180, 183, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 180, 183, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--dark);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn.full-width { width: 100%; text-align: center; }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.logo span { color: var(--primary); }

.nav { display: flex; gap: 36px; }

.nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
  transition: color 0.2s ease;
}

.nav a:hover { color: var(--primary); }

/* ============ Hero ============ */
.hero {
  position: relative;
  background: var(--light-bg);
  overflow: hidden;
  padding: 90px 0;
}

.hex-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(60deg, rgba(0,180,183,0.06) 0, rgba(0,180,183,0.06) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(-60deg, rgba(0,180,183,0.06) 0, rgba(0,180,183,0.06) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(0deg, rgba(0,180,183,0.05) 0, rgba(0,180,183,0.05) 1px, transparent 1px, transparent 60px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--text);
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
}

/* ============ Section Generic ============ */
section { padding: 90px 0; }

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-lead {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text);
}

/* ============ Card Grids ============ */
.card-grid {
  display: grid;
  gap: 28px;
}

.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }

/* ============ About Cards ============ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 183, 0.1);
  color: var(--primary);
  font-size: 1.4rem;
  border-radius: 50%;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.card p { font-size: 0.95rem; color: var(--text); }

/* ============ Services ============ */
.services { background: var(--light-bg); }

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.service-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  font-size: 1.4rem;
  border-radius: var(--radius);
  margin-bottom: 22px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p { font-size: 0.92rem; color: var(--text); }

/* ============ Stats ============ */
.stats { padding: 70px 0; }

.stat-card {
  text-align: center;
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 36px 20px;
  border: 1px solid var(--border);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
}

/* ============ Contact ============ */
.contact { background: var(--light-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  margin-top: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
}

.info-item a, .info-item span:last-child {
  font-size: 1rem;
  color: var(--dark);
  font-weight: 500;
}

.info-item a:hover { color: var(--primary); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-top: 14px;
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 6px;
  color: var(--text);
  background: var(--light-bg);
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 180, 183, 0.15);
  background: var(--white);
}

.contact-form button { margin-top: 24px; }

/* ============ WhatsApp Floating Button ============ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  z-index: 200;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.55);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--dark);
  color: #D1D5DB;
  padding-top: 56px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand h3 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.footer-brand p { max-width: 380px; font-size: 0.92rem; color: #9CA3AF; }

.footer-nav { display: flex; gap: 28px; }

.footer-nav a {
  font-size: 0.92rem;
  color: #D1D5DB;
  transition: color 0.2s ease;
}

.footer-nav a:hover { color: var(--primary); }

.footer-bottom {
  text-align: center;
  padding: 22px 0;
  font-size: 0.85rem;
  color: #9CA3AF;
}

/* ============ Responsive ============ */
@media (max-width: 992px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .card-grid.three { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 280px; order: -1; }
  .hero-text h1 { font-size: 2.3rem; }
  .nav { gap: 20px; }
}

@media (max-width: 600px) {
  .nav { display: none; }
  .card-grid.four { grid-template-columns: 1fr; }
  .hero-text h1 { font-size: 1.9rem; }
  .section-title { font-size: 1.7rem; }
  .footer-inner { flex-direction: column; }
  .contact-form { padding: 28px 22px; }
}