body {
  font-family: 'Segoe UI', 'Poppins', Arial, sans-serif;
  color: #222;
  line-height: 1.7;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: 0.4px;
}

:root {
  --primary: #0a6c74;
  --secondary: #e6f4f5;
  --dark: #1b1b1b;
  --light: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  color: var(--dark);
  background: #fff;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 10;
}

.nav-inner {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.nav-links a {
  margin-left: 25px;
  padding: 8px 18px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 600;
  color: #fff;
}

.nav-links a.chat {
  background: #25d366;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  height: 90vh;
  background: url("images/hero-medical-textiles.jpg") center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 96, 100, 0.65);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: auto;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 20px;
}

.hero-box {
  max-width: 520px;
  color: #fff;
}

.hero-box span {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
  opacity: 0.9;
}

.hero-box h1 {
  font-size: 48px;
  line-height: 1.2;
  margin: 15px 0;
}

.hero-box p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.95;
}

.hero-buttons a {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  margin-right: 12px;
}

.hero-buttons .primary {
  background: #fff;
  color: var(--primary);
}

.hero-buttons .whatsapp {
  background: #25d366;
  color: #fff;
}

/* ---------- SECTION ---------- */
.section {
  padding: 80px 20px;
}

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

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 36px;
  margin-bottom: 10px;
}

.section-title p {
  color: #666;
}

/* ---------- CATALOG GRID ---------- */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.catalog-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.catalog-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.catalog-card h3 {
  padding: 20px;
  font-size: 18px;
  text-align: center;
}

/* ---------- FOOTER ---------- */
footer {
  background: #0a6c74;
  color: #fff;
  text-align: center;
  padding: 25px;
}

/* ---------- FLOATING WHATSAPP ---------- */
.floating-wa {
  position: fixed;
  right: 25px;
  bottom: 25px;
  background: #25d366;
  color: #fff;
  padding: 16px 18px;
  border-radius: 50%;
  font-size: 22px;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35);
}

.catalog-item img {
  height: 260px;
  object-fit: cover;
}
@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  section { padding: 60px 15px; }
}