@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  --blue-900: #0c2340;
  --blue-700: #14375e;
  --blue-600: #1a5276;
  --blue-500: #2471a3;
  --blue-400: #5499c7;
  --blue-100: #d6eaf8;
  --blue-50: #eaf2f8;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e1e5ea;
  --gray-300: #ced4da;
  --gray-500: #868e96;
  --gray-700: #495057;
  --gray-900: #212529;
  --green-600: #27ae60;
  --green-50: #eafaf1;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --transition: all 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--gray-700); background: var(--white); line-height: 1.7; overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.25; font-weight: 700; color: var(--blue-900); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 6px; font-family: var(--font-heading);
  font-weight: 600; font-size: 0.9rem; cursor: pointer; border: none;
  transition: var(--transition); letter-spacing: 0.2px;
}
.btn-primary { background: var(--blue-600); color: var(--white); }
.btn-primary:hover { background: var(--blue-700); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; border: 1.5px solid var(--blue-600); color: var(--blue-600); }
.btn-outline:hover { background: var(--blue-600); color: var(--white); }
.btn-white { background: var(--white); color: var(--blue-900); border: 1.5px solid var(--gray-200); }
.btn-white:hover { border-color: var(--blue-500); color: var(--blue-600); }

/* HEADER */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: var(--white); border-bottom: 1px solid var(--gray-200);
  padding: 0; transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.header-top {
  background: var(--blue-900); color: rgba(255,255,255,0.85); font-size: 0.78rem;
  padding: 6px 0; letter-spacing: 0.3px;
}
.header-top-inner { display: flex; justify-content: space-between; align-items: center; }
.header-top a { color: rgba(255,255,255,0.85); transition: var(--transition); }
.header-top a:hover { color: var(--white); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; color: var(--blue-900); letter-spacing: 0.5px; }
.logo span { color: var(--blue-500); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { color: var(--gray-700); font-size: 0.88rem; font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--blue-600); }
.header-cta { margin-left: 12px; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.mobile-toggle span { width: 22px; height: 2px; background: var(--blue-900); transition: var(--transition); }

/* HERO */
.hero {
  position: relative; padding: 140px 0 100px;
  background: linear-gradient(168deg, var(--blue-50) 0%, var(--white) 50%, var(--gray-50) 100%);
  border-bottom: 1px solid var(--gray-200);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px;
  background: var(--green-50); border: 1px solid rgba(39,174,96,0.2);
  border-radius: 4px; color: var(--green-600); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.8px; text-transform: uppercase; margin-bottom: 20px;
}
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--green-600); border-radius: 50%; }
.hero h1 { font-size: 2.8rem; color: var(--blue-900); margin-bottom: 18px; font-weight: 800; line-height: 1.15; }
.hero p { color: var(--gray-700); font-size: 1.05rem; margin-bottom: 32px; max-width: 500px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-image { position: relative; }
.hero-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.hero-image-badge {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--white); padding: 16px 20px; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200);
}
.hero-image-badge .number { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; color: var(--blue-600); }
.hero-image-badge .label { font-size: 0.75rem; color: var(--gray-500); letter-spacing: 0.3px; }

/* TRUST BAR */
.trust-bar { background: var(--white); border-bottom: 1px solid var(--gray-200); padding: 20px 0; }
.trust-bar-inner { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--gray-700); font-size: 0.82rem; font-weight: 500; white-space: nowrap; }
.trust-check { width: 18px; height: 18px; background: var(--green-50); border: 1px solid rgba(39,174,96,0.25); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--green-600); font-size: 0.6rem; font-weight: 700; flex-shrink: 0; }

/* SECTIONS */
.section { padding: 88px 0; }
.section-alt { background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }
.section-blue { background: var(--blue-900); color: var(--white); }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 56px; }
.section-label {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 1.8px;
  text-transform: uppercase; color: var(--blue-500); margin-bottom: 10px;
}
.section-header h2 { font-size: 2.1rem; margin-bottom: 14px; }
.section-header p { color: var(--gray-500); font-size: 0.95rem; }
.section-blue .section-header h2 { color: var(--white); }
.section-blue .section-header p { color: rgba(255,255,255,0.65); }
.section-blue .section-label { color: var(--blue-400); }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.about-text h2 { font-size: 2rem; margin-bottom: 16px; }
.about-text .lead { font-size: 1rem; color: var(--gray-700); margin-bottom: 16px; line-height: 1.8; }
.about-text p { color: var(--gray-500); margin-bottom: 12px; line-height: 1.8; font-size: 0.92rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.about-feature {
  display: flex; align-items: flex-start; gap: 12px; padding: 14px;
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
}
.about-feature-icon {
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-600); font-size: 0.85rem; font-weight: 700;
}
.about-feature h4 { font-size: 0.85rem; margin-bottom: 2px; color: var(--blue-900); }
.about-feature p { font-size: 0.78rem; color: var(--gray-500); margin: 0; }

/* STATS */
.stats { background: var(--blue-900); padding: 64px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 28px 16px; }
.stat-card + .stat-card { border-left: 1px solid rgba(255,255,255,0.1); }
.stat-number { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--white); }
.stat-number .suffix { font-size: 1.2rem; color: var(--blue-400); }
.stat-label { color: rgba(255,255,255,0.5); font-size: 0.8rem; margin-top: 4px; letter-spacing: 0.5px; }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  padding: 28px 24px; background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius); transition: var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow); border-color: var(--blue-100); transform: translateY(-2px); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 10px; margin-bottom: 16px;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-600); font-size: 1rem; font-weight: 700;
}
.feature-card h3 { font-size: 1rem; margin-bottom: 8px; }
.feature-card p { color: var(--gray-500); font-size: 0.85rem; line-height: 1.7; }

/* PRODUCTS */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); overflow: hidden; transition: var(--transition);
}
.product-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-3px); }
.product-image { position: relative; height: 180px; overflow: hidden; background: rgba(255,255,255,0.04); display: flex; align-items: center; justify-content: center; }
.product-image img { width: 75%; height: 75%; object-fit: contain; }
.product-purity {
  position: absolute; top: 10px; right: 10px;
  background: rgba(39,174,96,0.15); border: 1px solid rgba(39,174,96,0.3);
  color: #27ae60; font-size: 0.68rem; font-weight: 700; padding: 3px 8px; border-radius: 4px;
}
.product-info { padding: 16px; }
.product-category { font-size: 0.68rem; color: var(--blue-400); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; margin-bottom: 4px; }
.product-name { font-family: var(--font-heading); font-size: 0.95rem; color: var(--white); margin-bottom: 4px; font-weight: 600; }
.product-desc { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-bottom: 12px; }
.product-cta { font-size: 0.78rem; color: var(--blue-400); font-weight: 600; transition: var(--transition); }
.product-cta:hover { color: var(--white); }

/* CERTIFICATIONS */
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
  padding: 32px 24px; text-align: center; transition: var(--transition);
}
.cert-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.cert-icon {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-600); font-size: 1.2rem; font-weight: 700;
}
.cert-card h3 { font-size: 1rem; margin-bottom: 8px; }
.cert-card p { font-size: 0.83rem; color: var(--gray-500); line-height: 1.7; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.service-card {
  display: flex; gap: 20px; padding: 24px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); transition: var(--transition);
}
.service-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.service-icon {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-400); font-size: 0.95rem; font-weight: 700;
}
.service-card h3 { font-size: 1rem; color: var(--white); margin-bottom: 6px; }
.service-card p { font-size: 0.83rem; color: rgba(255,255,255,0.55); line-height: 1.7; }

/* GALLERY */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item { position: relative; border-radius: var(--radius); overflow: hidden; height: 240px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(12,35,64,0.7) 0%, transparent 50%);
}
.gallery-caption {
  position: absolute; bottom: 14px; left: 14px; z-index: 2;
  color: var(--white); font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem;
}

/* CTA BANNER */
.cta-banner { background: var(--blue-600); padding: 64px 0; text-align: center; }
.cta-banner h2 { font-size: 2rem; color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.8); font-size: 1rem; margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.btn-cta { background: var(--white); color: var(--blue-900); font-weight: 700; }
.btn-cta:hover { background: var(--gray-50); transform: translateY(-1px); box-shadow: var(--shadow); }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-form { background: var(--gray-50); padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--gray-200); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 5px; color: var(--gray-900); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--gray-300);
  border-radius: 6px; font-family: var(--font-body); font-size: 0.88rem;
  transition: var(--transition); background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(36,113,163,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.contact-channels { display: flex; flex-direction: column; gap: 16px; }
.contact-channel {
  display: flex; align-items: center; gap: 14px; padding: 16px 20px;
  background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); transition: var(--transition);
}
.contact-channel:hover { border-color: var(--blue-100); background: var(--blue-50); }
.channel-icon {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--white);
}
.channel-icon.whatsapp { background: #25D366; }
.channel-icon.telegram { background: #0088cc; }
.channel-icon.email-icon { background: var(--blue-600); }
.contact-channel h4 { font-size: 0.88rem; margin-bottom: 1px; color: var(--blue-900); }
.contact-channel p { font-size: 0.82rem; color: var(--gray-500); }

/* FOOTER */
.footer { background: var(--blue-900); color: rgba(255,255,255,0.55); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 14px; display: inline-block; color: var(--white); }
.footer-brand .logo span { color: var(--blue-400); }
.footer-brand p { font-size: 0.83rem; margin-bottom: 16px; max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-family: var(--font-heading); font-size: 0.88rem; color: var(--white); margin-bottom: 16px; font-weight: 600; }
.footer-col a { display: block; font-size: 0.82rem; margin-bottom: 10px; transition: var(--transition); }
.footer-col a:hover { color: var(--blue-400); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px;
  display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem;
}

/* ANIMATIONS */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-left { opacity: 0; transform: translateX(-20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right { opacity: 0; transform: translateX(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-right.visible { opacity: 1; transform: translateX(0); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card + .stat-card { border-left: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-image { order: -1; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: rgba(255,255,255,0.98); flex-direction: column; align-items: center;
    justify-content: center; gap: 20px; z-index: 999;
  }
  .nav-links.active { display: flex; }
  .nav-links a { color: var(--blue-900); font-size: 1.1rem; }
  .mobile-toggle { display: flex; z-index: 1000; }
  .header-cta { display: none; }
  .header-top { display: none; }
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 1.9rem; }
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 1.7rem; }
  .features-grid, .certs-grid, .services-grid, .gallery-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
  .hero-buttons { flex-direction: column; }
  .about-features { grid-template-columns: 1fr; }
}