:root {
  --espresso: #3b2418;
  --dark-coffee: #24150f;
  --coffee-brown: #6f4e37;
  --warm-cream: #f7f0e5;
  --beige: #e7d7c3;
  --leaf-green: #526747;
  --gold: #b89455;
  --white: #ffffff;
  --soft-border: rgba(59, 36, 24, 0.12);
  --shadow: 0 18px 40px rgba(36, 21, 15, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(180deg, #f9f6f2, #f5efe7);
  color: var(--dark-coffee);
  font-family: 'Segoe UI', sans-serif;
}

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

p {
  line-height: 1.75;
}

.navbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(247, 240, 229, 0.96);
  border-bottom: 1px solid rgba(59, 36, 24, 0.08);
}

.nav-link {
  color: var(--espresso);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--coffee-brown);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coffee-brown), var(--espresso));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
}

.brand-wordmark {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--espresso);
}

.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--coffee-brown), var(--espresso));
  color: var(--white);
  box-shadow: 0 12px 24px rgba(111, 78, 55, 0.22);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-ghost:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--espresso);
  border: 1px solid rgba(59, 36, 24, 0.15);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(184, 148, 85, 0.5);
  color: var(--espresso);
}

.section-shell {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.hero {
  background: linear-gradient(135deg, rgba(36, 21, 15, 0.82), rgba(36, 21, 15, 0.45)),
    url('../images/hero-coffee.jpg') center/cover no-repeat;
}

.hero-copy h1 {
  letter-spacing: 0.02em;
}

.muted-label {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
}

.card-surface {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--soft-border);
  box-shadow: 0 12px 24px rgba(36, 21, 15, 0.05);
}

.origin-card img,
.feature-card img,
.story-card img,
.process-card img {
  transition: transform 0.35s ease;
}

.origin-card:hover img,
.feature-card:hover img,
.story-card:hover img,
.process-card:hover img {
  transform: scale(1.03);
}

.metric-box {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(59, 36, 24, 0.08);
}

.value-list li::before {
  content: '•';
  color: var(--gold);
  margin-right: 0.6rem;
}

.timeline-step {
  border-left: 2px solid rgba(184, 148, 85, 0.4);
  position: relative;
  padding-left: 1.5rem;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: -0.48rem;
  top: 0.1rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--gold);
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem 0.9rem;
  border-bottom: 1px solid rgba(59, 36, 24, 0.08);
  vertical-align: top;
}

th {
  background: rgba(111, 78, 55, 0.04);
  color: var(--espresso);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--espresso);
}

input, select, textarea {
  width: 100%;
  border: 1px solid rgba(59, 36, 24, 0.18);
  border-radius: 0.9rem;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.7);
  color: var(--dark-coffee);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(184, 148, 85, 0.3);
  border-color: rgba(111, 78, 55, 0.45);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.form-message {
  display: none;
}

.form-message.visible {
  display: block;
}

.footer {
  background: var(--dark-coffee);
}

.footer a {
  color: rgba(255,255,255,0.78);
}

.footer a:hover {
  color: var(--beige);
}

.top-button {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background: var(--coffee-brown);
  color: white;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.2s ease;
}

.top-button.visible {
  opacity: 1;
  pointer-events: auto;
}

.top-button:hover {
  transform: translateY(-1px);
}

@media (max-width: 767px) {
  .section-shell {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .mobile-menu {
    display: none;
  }

  .mobile-menu.open {
    display: block;
  }
}