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

:root {
  --ink: #1a1410;
  --ink-soft: #3d3530;
  --cream: #faf6f0;
  --cream-dark: #f0e8dc;
  --salmon: #e8725a;
  --salmon-deep: #c94d35;
  --salmon-light: #f4a99a;
  --rice: #fff8ee;
  --gold: #b8956a;
  --wasabi: #7a9e6a;
  --shadow: rgba(26, 20, 16, 0.08);
  --radius: 12px;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Noto Sans JP', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--ink-soft);
  background: var(--cream);
  line-height: 1.7;
  font-size: 16px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 149, 106, 0.15);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--salmon-deep);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 7rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-tag {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.05;
  margin-bottom: 0.25rem;
}

.hero-jp {
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.05rem;
  max-width: 420px;
  margin-bottom: 2rem;
  color: var(--ink-soft);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 0.85rem;
}

.hero-meta strong {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

.btn-primary {
  display: inline-block;
  background: var(--salmon-deep);
  color: white;
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--salmon);
  transform: translateY(-2px);
}

/* Hero visual — CSS nigiri illustration */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nigiri-plate {
  position: relative;
  width: 340px;
  height: 340px;
  background: radial-gradient(ellipse at center, #fff 0%, var(--cream-dark) 70%);
  border-radius: 50%;
  box-shadow: 0 20px 60px var(--shadow), inset 0 2px 8px rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nigiri {
  position: absolute;
  width: 90px;
  height: 48px;
  border-radius: 24px 24px 8px 8px;
  background: var(--rice);
  box-shadow: 0 4px 12px var(--shadow);
}

.nigiri::before {
  content: '';
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 28px;
  background: linear-gradient(135deg, var(--salmon-light) 0%, var(--salmon) 50%, var(--salmon-deep) 100%);
  border-radius: 40px 40px 4px 4px;
  box-shadow: inset 0 -2px 4px rgba(0,0,0,0.1);
}

.nigiri-1 { transform: rotate(-15deg) translate(-30px, -20px); }
.nigiri-2 { transform: rotate(5deg) translate(10px, 5px); z-index: 2; }
.nigiri-3 { transform: rotate(20deg) translate(40px, -30px); }

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

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2.5rem;
}

.about {
  background: white;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  font-size: 1.05rem;
}

.about-grid em {
  font-style: italic;
  color: var(--salmon-deep);
}

/* ── Ingredients ── */
.ingredient-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow);
  border: 1px solid rgba(184, 149, 106, 0.1);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--salmon-light);
}

.card ul {
  list-style: none;
}

.card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--cream-dark);
  font-size: 0.95rem;
}

.card li:last-child {
  border-bottom: none;
}

.amount {
  display: inline-block;
  min-width: 4.5rem;
  font-weight: 500;
  color: var(--salmon-deep);
}

.card-tools h3 {
  border-bottom-color: var(--gold);
}

/* ── Steps ── */
.steps {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.85);
}

.steps .section-label {
  color: var(--salmon-light);
}

.steps h2 {
  color: white;
}

.step-list {
  list-style: none;
  counter-reset: steps;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.step.visible {
  opacity: 1;
  transform: translateY(0);
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--salmon);
  line-height: 1;
}

.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: white;
  margin-bottom: 0.75rem;
}

.step-body p {
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ── Tips ── */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.tip {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.2s;
}

.tip:hover {
  transform: translateY(-4px);
}

.tip-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.tip h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.tip p {
  font-size: 0.9rem;
}

/* ── Nutrition ── */
.nutrition {
  background: white;
  text-align: center;
}

.nutrition h2 {
  margin-bottom: 2rem;
}

.per-serving {
  font-size: 0.5em;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.nutrition-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.nutrient .value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--salmon-deep);
}

.nutrient .label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── Footer ── */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: 2.5rem 1.5rem;
  font-size: 0.85rem;
}

.footer-note {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 6rem;
  }

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

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

  .hero-visual {
    order: -1;
  }

  .nigiri-plate {
    width: 260px;
    height: 260px;
  }

  .about-grid,
  .ingredient-cards,
  .tips-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.75rem;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }

  .step {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .nutrition-bar {
    gap: 1.5rem;
  }
}