:root {
  --bg: #F7F3ED;
  --fg: #1C1917;
  --fg-muted: #6B6560;
  --accent: #D4622B;
  --accent-light: #F2DDD1;
  --surface: #EFEBE3;
  --border: #DDD8D0;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 6rem 8% 5rem;
  gap: 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(212,98,43,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  color: var(--fg);
  font-weight: 400;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 46ch;
  line-height: 1.7;
}

/* Hero card stack */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 0;
}

.hero-card-stack {
  position: relative;
  width: 280px;
  height: 360px;
}

.hero-card {
  position: absolute;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.card-back {
  width: 260px;
  height: 340px;
  top: 0;
  left: 0;
  transform: rotate(-6deg);
  opacity: 0.5;
}

.card-mid {
  width: 270px;
  height: 350px;
  top: 10px;
  left: 10px;
  transform: rotate(-2deg);
  opacity: 0.75;
}

.card-front {
  width: 280px;
  height: 360px;
  top: 20px;
  left: 20px;
  transform: rotate(1deg);
  background: var(--fg);
  color: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem;
  gap: 1rem;
}

.card-label {
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.3;
}

.card-meta {
  font-size: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.05em;
}

.card-price {
  font-size: 1.75rem;
  font-weight: 500;
  margin-top: auto;
  color: var(--accent);
}

/* ── CATEGORIES ── */
.categories {
  padding: 6rem 8%;
  background: var(--surface);
}

.categories-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 4rem;
  max-width: 52ch;
}

.categories-header h2 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
}

.categories-header p {
  color: var(--fg-muted);
  font-size: 1.0625rem;
}

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

.cat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(28,25,23,0.08);
}

.cat-icon {
  color: var(--accent);
  width: 28px;
}

.cat-card h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
}

.cat-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── DIFFERENCE ── */
.difference {
  padding: 8rem 8%;
}

.diff-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.section-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.diff-text h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.5vw, 2.25rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.diff-text p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.diff-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.badge-line {
  font-size: 0.9375rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge-line::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── PROCESS ── */
.process {
  padding: 6rem 8%;
  background: var(--surface);
}

.process-header {
  margin-bottom: 4rem;
}

.process-header h2 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-num {
  font-family: var(--serif);
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
}

.step h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
}

.step p {
  color: var(--fg-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ── CLOSING ── */
.closing {
  padding: 10rem 8%;
  text-align: center;
}

.closing-inner {
  max-width: 60ch;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.closing h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 400;
  line-height: 1.2;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ── FOOTER ── */
.footer {
  padding: 4rem 8% 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
}

.footer-brand p {
  color: var(--fg-muted);
  font-size: 0.875rem;
  max-width: 26ch;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col-head {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.25rem;
}

.footer-col > div {
  font-size: 0.875rem;
  color: var(--fg);
  cursor: default;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-inner { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 5rem 6% 4rem;
    min-height: auto;
    gap: 3rem;
  }
  .hero-visual { order: -1; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr; gap: 3rem; }
  .footer { flex-direction: column; }
  .hero-card-stack { transform: scale(0.85); }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 2rem; }
}