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

:root {
  --primary: #1a365d;
  --primary-dark: #0f2744;
  --accent: #c53030;
  --accent-hover: #9b2c2c;
  --text: #1a202c;
  --text-muted: #4a5568;
  --bg: #ffffff;
  --bg-alt: #f7fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --container: 1140px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn-full {
  width: 100%;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
}

.logo-icon {
  font-size: 1.5rem;
}

.logo strong {
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background var(--transition);
}

.nav-cta:hover {
  background: var(--primary-dark);
}

.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 var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  background: linear-gradient(135deg, #0f2744 0%, #1a365d 50%, #2c5282 100%);
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1581094794329-c8112c4e5190?w=1600&q=60') center/cover;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--bg-alt);
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.trust-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

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

/* ===== Sections ===== */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  font-size: 1.05rem;
}

.about-list {
  list-style: none;
  margin-top: 1.5rem;
}

.about-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
  color: var(--text);
  font-weight: 500;
}

.about-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.product-img {
  height: 200px;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-img img {
  transform: scale(1.06);
}

.product-body {
  padding: 1.4rem 1.5rem 1.6rem;
}

.product-body h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

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

/* ===== Why Us ===== */
.why-us {
  background: var(--bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-card {
  text-align: center;
  padding: 2rem 1.25rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.why-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.why-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.why-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

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

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.75rem;
}

.cta-content p {
  opacity: 0.9;
  margin-bottom: 1.75rem;
  font-size: 1.05rem;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.info-card {
  background: #fff;
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.info-card h3 {
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.info-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.info-card a {
  color: var(--accent);
  font-weight: 500;
}

.info-card a:hover {
  text-decoration: underline;
}

.contact-form-wrap {
  background: #fff;
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.95rem;
  opacity: 0.8;
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-links a {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}

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

.footer-contact p {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  opacity: 0.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-image img {
    height: 320px;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 640px) {
  .nav,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .nav.open a {
    color: var(--text);
  }

  .products-grid,
  .why-grid,
  .trust-grid,
  .form-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 90px 0 50px;
  }

  .section {
    padding: 3.5rem 0;
  }
}