/* Oleinza Oils — Brand Styles */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=DM+Serif+Display&display=swap');

/* ── CSS Variables ── */
:root {
  --color-primary: #3B3F42;
  --color-cream: #F7F4EF;
  --color-gold: #C4973B;
  --color-gold-dark: #A07D2E;
  --color-sage: #7A8C6E;
  --color-sage-light: #94A886;
  --color-white: #FFFFFF;
  --color-text: #2D2D2D;
  --color-text-light: #6B7280;
  --color-border: #E5E1DA;
  --font-heading: 'DM Serif Display', serif;
  --font-body: 'DM Sans', sans-serif;
}

/* ── Skip Link (Accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--color-gold);
  color: var(--color-white);
  font-weight: 500;
  border-radius: 0 0 0.375rem 0.375rem;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
}

/* ── Navigation ── */
.nav-link {
  position: relative;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width 0.3s ease;
}

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

.nav-link:hover {
  color: var(--color-gold);
}

/* Dropdown */
.nav-dropdown {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
}

.nav-dropdown-trigger:hover .nav-dropdown,
.nav-dropdown-trigger:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Mobile nav */
.mobile-nav {
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-nav.open {
  transform: translateX(0);
}

/* ── Hero ── */
.hero-overlay {
  background: linear-gradient(135deg, rgba(59,63,66,0.85) 0%, rgba(59,63,66,0.6) 100%);
}

/* ── Buttons ── */
.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-white);
  font-weight: 500;
  padding: 0.75rem 2rem;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
  display: inline-block;
  text-decoration: none;
}

.btn-gold:hover {
  background-color: var(--color-gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(196,151,59,0.3);
}

.btn-outline {
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  font-weight: 500;
  padding: 0.75rem 2rem;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
  display: inline-block;
  text-decoration: none;
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-outline-white {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  font-weight: 500;
  padding: 0.75rem 2rem;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
  display: inline-block;
  text-decoration: none;
  background: transparent;
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* ── Cards ── */
.product-card {
  background: var(--color-white);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

/* ── Sections ── */
.section-divider {
  width: 60px;
  height: 3px;
  background-color: var(--color-gold);
  margin: 1rem auto;
}

/* ── Process Steps ── */
.process-step {
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 2rem;
  right: -1.5rem;
  width: 3rem;
  height: 2px;
  background-color: var(--color-gold);
}

.process-step:last-child::after {
  display: none;
}

/* ── Spec Table ── */
.spec-table tr {
  border-bottom: 1px solid var(--color-border);
}

.spec-table td {
  padding: 0.75rem 1rem;
}

.spec-table td:first-child {
  font-weight: 500;
  color: var(--color-primary);
  white-space: nowrap;
}

/* ── Forms ── */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  background-color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(196,151,59,0.15);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-primary);
  font-size: 0.875rem;
}

/* ── Value Prop Icons ── */
.value-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(196,151,59,0.1);
  color: var(--color-gold);
  margin: 0 auto 0.75rem;
}

/* ── Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Circular Economy Diagram ── */
.cycle-step {
  position: relative;
}

.cycle-arrow {
  color: var(--color-gold);
  font-size: 1.5rem;
}

/* ── Footer ── */
.footer-link {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-gold);
}

/* ── Responsive Adjustments ── */
@media (max-width: 768px) {
  .process-step::after {
    display: none;
  }
}

/* ── Selection colour ── */
::selection {
  background-color: rgba(196,151,59,0.2);
  color: var(--color-primary);
}

/* ── Scroll margin for anchor links ── */
[id] {
  scroll-margin-top: 5rem;
}