/* ==========================================================
   MII Sourcing Inc — Global Commodity Trading
   Shared stylesheet
   ========================================================== */

:root {
  --color-primary: #0f3d2e;        /* deep forest */
  --color-primary-dark: #0a2a20;
  --color-accent: #c9a96e;         /* warm gold */
  --color-accent-dark: #a88950;
  --color-text: #1f2a26;
  --color-muted: #5a6b64;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f5f0;         /* cream */
  --color-bg-dark: #0f3d2e;
  --color-border: #e6e2d8;
  --shadow-sm: 0 1px 3px rgba(15, 61, 46, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 61, 46, 0.10);
  --shadow-lg: 0 20px 60px rgba(15, 61, 46, 0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-dark); }

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary-dark);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }

p { margin-bottom: 1rem; color: var(--color-text); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.btn-primary { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: #fff; border-color: #fff; }
.btn-outline:hover { background: #fff; color: var(--color-primary-dark); }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-dark); color: var(--color-accent); transform: translateY(-2px); }

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  font-family: 'Playfair Display', Georgia, serif;
}
.brand .brand-name {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-primary-dark);
}
.brand .brand-tag {
  font-size: 0.7rem;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-top: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--color-primary-dark);
  transition: all var(--transition);
}

.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.5rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--color-primary-dark); font-weight: 600; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(10, 42, 32, 0.85), rgba(15, 61, 46, 0.72)),
    url('https://images.unsplash.com/photo-1530819568329-97653eafbbfa?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  overflow: hidden;
}
.hero-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 1.5rem;
  position: relative;
  z-index: 2;
}
.hero h1 {
  color: #fff;
  max-width: 900px;
  margin-bottom: 1.25rem;
}
.hero .lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-style: italic;
  max-width: 700px;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Rotating taglines */
.hero-rotator {
  position: relative;
  min-height: 220px;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.hero-slide.active { opacity: 1; transform: translateY(0); position: relative; }

.hero-dots {
  display: flex;
  gap: 0.5rem;
  margin-top: 2rem;
}
.hero-dots button {
  width: 30px;
  height: 3px;
  border: none;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background var(--transition);
}
.hero-dots button.active { background: var(--color-accent); }

/* ===== Page header (interior pages) ===== */
.page-header {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  background-image:
    linear-gradient(135deg, rgba(10, 42, 32, 0.93), rgba(15, 61, 46, 0.88)),
    url('https://images.unsplash.com/photo-1605098293965-3a3fd84ec5fc?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
}
.page-header h1 { color: #fff; }
.page-header p {
  color: rgba(255,255,255,0.85);
  max-width: 720px;
  margin: 1rem auto 0;
  font-size: 1.1rem;
}

/* ===== Sections ===== */
.section {
  padding: 5rem 0;
}
.section-alt { background: var(--color-bg-alt); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-head p {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-top: 0.75rem;
}

/* ===== Intro grid (home) ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.intro-grid .intro-image {
  height: 480px;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}

/* ===== Products grid ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.product-card:hover::before { transform: scaleX(1); }
.product-card .num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.product-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.product-card p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 0;
  flex-grow: 1;
}

/* ===== Values ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}
.value-card {
  text-align: center;
  padding: 2rem 1.5rem;
}
.value-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 1.25rem;
  font-weight: 700;
}
.value-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.value-card p { color: var(--color-muted); font-size: 0.95rem; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-image {
  height: 500px;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}
.about-content h2 { margin-bottom: 0.5rem; }
.about-content .subtitle {
  font-size: 1.3rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}
.stat { text-align: center; }
.stat .stat-num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.stat .stat-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 0.5rem;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}
.contact-info {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.contact-info h3 { color: #fff; margin-bottom: 1.5rem; }
.contact-info p { color: rgba(255, 255, 255, 0.82); }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.contact-item:last-child { border-bottom: none; }
.contact-item .icon {
  flex: 0 0 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}
.contact-item .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.contact-item .value { color: #fff; font-size: 1rem; }
.contact-item .value a { color: #fff; }
.contact-item .value a:hover { color: var(--color-accent); }

/* Map (replaces form on contact page) */
.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 480px;
  background: var(--color-bg-alt);
}
.contact-map iframe { min-height: 480px; }

/* ===== CTA banner ===== */
.cta-banner {
  background: var(--color-primary-dark);
  color: #fff;
  text-align: center;
  padding: 5rem 1.5rem;
  background-image:
    linear-gradient(135deg, rgba(10, 42, 32, 0.92), rgba(15, 61, 46, 0.85)),
    url('https://images.unsplash.com/photo-1530044656451-fea4d3470fc7?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 1rem; }
.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 620px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-grid h4 {
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-brand .brand-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 0.5rem;
  display: block;
}
.footer-brand .tagline {
  font-style: italic;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.5rem; }
.footer-grid a { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.8s ease forwards; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .intro-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .intro-grid .intro-image,
  .about-image { height: 360px; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a {
    display: block;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-links a::after { display: none; }

  .hero { min-height: 70vh; }
  .hero-inner { padding: 4rem 1.5rem; }
  .section { padding: 3.5rem 0; }
  .contact-info { padding: 2rem; }
  .contact-map, .contact-map iframe { min-height: 360px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .stats { grid-template-columns: 1fr 1fr; }
}