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

:root {
  --primary: #0b4f5a;
  --primary-dark: #073740;
  --primary-light: #0e6b78;
  --accent: #00b4b4;
  --accent-soft: #e6f7f7;
  --text: #1a1a1a;
  --text-muted: #4a5568;
  --bg: #ffffff;
  --bg-alt: #f0f7f8;
  --border: #d4e4e6;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(11, 79, 90, 0.08);
  --shadow-lg: 0 12px 40px rgba(11, 79, 90, 0.12);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.75);
}

.btn-outline:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  padding: 10px 18px;
  font-size: 0.9rem;
}

.btn-whatsapp:hover {
  background: #1da851;
}

.btn-whatsapp-sm {
  background: #25d366;
  color: #fff;
  padding: 9px 18px;
  font-size: 0.88rem;
  margin-top: 8px;
}

.btn-full {
  width: 100%;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--primary);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  gap: 30px;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.25s;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, #052f36 0%, #0b4f5a 45%, #0e6b78 100%);
  color: #fff;
  padding: 110px 0 90px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 15% 85%, rgba(0, 180, 180, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 740px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.86rem;
  font-weight: 500;
  margin-bottom: 22px;
  letter-spacing: 0.4px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.6px;
  line-height: 1.08;
  margin-bottom: 14px;
}

.tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  opacity: 0.92;
  margin-bottom: 20px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.hero-desc {
  font-size: 1.12rem;
  opacity: 0.88;
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== Sections ===== */
.section {
  padding: 95px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-label {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 14px;
}

.section-sub {
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  font-size: 1.06rem;
}

/* ===== About ===== */
.about {
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 55px;
  align-items: start;
}

.about-text p {
  margin-bottom: 18px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.about-text strong {
  color: var(--text);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.highlight-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
}

.highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--primary-light);
}

.highlight-number {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.highlight-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== Vision & Mission ===== */
.vision-mission {
  background: var(--bg-alt);
  padding: 80px 0;
}

.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.vm-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 38px 34px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
}

.vm-card h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 18px;
}

.vm-card p,
.vm-card li {
  color: var(--text-muted);
  font-size: 1.02rem;
}

.vm-card ul {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.vm-card li {
  position: relative;
  padding-left: 24px;
}

.vm-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== Products ===== */
.products {
  background: var(--bg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.product-image {
  height: 170px;
  background: linear-gradient(135deg, #0b4f5a 0%, #0e6b78 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-icon-large {
  font-size: 3.2rem;
  opacity: 0.9;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.product-body {
  padding: 22px 22px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card h3 {
  font-size: 1.12rem;
  color: var(--primary-dark);
  margin-bottom: 14px;
  font-weight: 700;
}

.product-card ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: 1;
}

.product-card li {
  font-size: 0.92rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
}

.product-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== Brands ===== */
.brands {
  background: var(--bg-alt);
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 14px;
}

.brand-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 12px;
  text-align: center;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--primary-dark);
  transition: all 0.25s;
}

.brand-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 52px;
  align-items: start;
}

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

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  font-size: 1.45rem;
  width: 50px;
  height: 50px;
  background: var(--bg-alt);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 5px;
}

.contact-item a,
.contact-item p {
  color: var(--text);
  font-weight: 500;
  font-size: 1.05rem;
}

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

.contact-form-wrapper {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 38px 34px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 79, 90, 0.12);
}

.form-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 14px;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.88);
  padding: 55px 0 28px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 10px;
}

.footer-brand .logo-icon {
  background: rgba(255, 255, 255, 0.15);
}

.footer-brand p {
  font-size: 0.92rem;
  opacity: 0.75;
}

.footer-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.95rem;
  opacity: 0.82;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
  text-align: center;
  font-size: 0.86rem;
  opacity: 0.65;
}

/* ===== Floating WhatsApp ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform 0.25s, box-shadow 0.25s;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid,
  .vm-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 22px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .btn-whatsapp {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding: 120px 0 80px;
  }

  .section {
    padding: 75px 0;
  }
}

@media (max-width: 600px) {
  .about-highlights {
    grid-template-columns: 1fr 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-form-wrapper {
    padding: 28px 20px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }
}