/* =============================================
   LAYOUT: Nav, Hero, Section common
   ============================================= */

/* ========= NAV ========= */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.4s, border-color 0.4s, padding 0.3s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
  padding: 18px 48px;
}
.nav-logo {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text);
}
.nav-logo .accent {
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-sub);
  transition: color 0.3s;
  letter-spacing: 0.02em;
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-cta {
  background: var(--text);
  color: var(--bg) !important;
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.82rem !important;
  transition: background 0.3s !important;
}
.nav-cta:hover {
  background: var(--accent) !important;
  color: var(--bg) !important;
}

/* ========= HERO ========= */
.hero {
  min-height: 100vh;
  padding: 180px 48px 120px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  z-index: 2;
}

/* Hero background — kept minimal, no colored gradient */

/* Hero 3D canvas behind content */
.hero-canvas {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.85;
  mix-blend-mode: multiply;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 3;
}
.hero-image {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  z-index: 3;
  box-shadow:
    0 1px 2px rgba(26,26,26,0.04),
    0 20px 60px -20px rgba(26,26,26,0.18);
}
.hero-image img {
  width: 100%;
  height: auto;
  filter: contrast(1.02);
  transition: transform 1.2s var(--ease-out-expo);
}
.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(196,90,62,0.06));
  pointer-events: none;
}
.hero-image-caption {
  position: absolute;
  left: 24px;
  bottom: 20px;
  color: rgba(250, 247, 242, 0.9);
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 2;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero-eyebrow::before {
  content: '';
  width: 48px;
  height: 1px;
  background: var(--accent);
}
.hero h1 {
  font-family: 'Shippori Mincho B1', serif;
  font-size: clamp(2.4rem, 5.8vw, 5.2rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 14ch;
  margin-bottom: 48px;
}
.hero h1 .accent {
  color: var(--accent);
  position: relative;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 2;
  max-width: 540px;
  margin-bottom: 64px;
}
.hero-cta-group {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fade-in-up 1.2s var(--ease-out-expo) 1.6s forwards;
}
.scroll-hint::after {
  content: '';
  width: 1px;
  height: 40px;
  background: var(--text-mute);
  animation: scroll-line 2s ease-in-out infinite;
  transform-origin: top;
}

/* ========= SECTION COMMON ========= */
section {
  padding: 200px 48px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.section-eyebrow::after {
  content: '';
  flex: 1;
  min-width: 36px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}
.section-title {
  font-family: 'Shippori Mincho B1', serif;
  font-size: clamp(2.2rem, 4.2vw, 3.8rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 22ch;
  margin-bottom: 32px;
}
.section-title .accent {
  color: var(--accent);
  position: relative;
  background-image: linear-gradient(120deg, transparent 0%, transparent 100%);
  background-repeat: no-repeat;
  background-size: 100% 30%;
  background-position: 0 88%;
}
.section-lead {
  font-size: 1.08rem;
  line-height: 2;
  color: var(--text-sub);
  max-width: 640px;
  margin-bottom: 64px;
}

/* ========= FOOTER ========= */
footer {
  background: var(--bg-dark);
  color: rgba(250, 247, 242, 0.5);
  padding: 64px 48px 56px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  border-top: 1px solid rgba(250, 247, 242, 0.08);
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}

.footer-name {
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(250, 247, 242, 0.85);
  font-weight: 500;
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.footer-role {
  color: rgba(250, 247, 242, 0.55);
  font-size: 0.82rem;
  margin-bottom: 18px;
}
.footer-copy {
  font-size: 0.72rem;
  color: rgba(250, 247, 242, 0.35);
  letter-spacing: 0.05em;
}

/* Meta-claim block: "This site was built with Claude Code" */
.meta-claim {
  border-left: 1px solid rgba(250, 247, 242, 0.12);
  padding-left: 48px;
}
.meta-claim-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(250, 247, 242, 0.45);
  margin-bottom: 16px;
}
.meta-claim-title {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 1rem;
  font-weight: 500;
  color: rgba(250, 247, 242, 0.85);
  margin-bottom: 24px;
  line-height: 1.6;
}
.meta-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 32px;
}
.meta-stat-num {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--accent-light);
  letter-spacing: -0.01em;
  line-height: 1;
}
.meta-stat-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 247, 242, 0.45);
  margin-top: 8px;
}

/* ========= RESPONSIVE ========= */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 60px;
    padding-top: 140px;
  }
  .hero-image {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .meta-claim {
    border-left: none;
    border-top: 1px solid rgba(250, 247, 242, 0.12);
    padding-left: 0;
    padding-top: 40px;
  }
}

@media (max-width: 720px) {
  body { cursor: auto; }
  nav { padding: 18px 24px; }
  nav.scrolled { padding: 14px 24px; }
  .nav-links { gap: 20px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 120px 24px 80px; gap: 48px; }
  .hero-image { max-width: 360px; }
  section { padding: 100px 24px; }
  .hero h1 { font-size: 2.4rem; }
  .scroll-hint { display: none; }
  footer { padding: 48px 24px; }
  .meta-stats { gap: 20px; }
  .meta-stat-num { font-size: 1.4rem; }
}