/*
  Manga-inspired aesthetic
  Dramatic, artistic, structured — inspired by Berserk, Vagabond, Vinland Saga
  Professional but memorable
*/

:root {
  --bg-base: #f3efe7;
  --bg-surface: #ffffff;
  --bg-elevated: #faf8f5;
  --bg-darker: #ebe7df;
  --border: rgba(17, 17, 17, 0.12);
  --border-strong: rgba(17, 17, 17, 0.25);
  --border-panel: #111111;
  --text-primary: #111111;
  --text-secondary: #555555;
  --text-muted: #777777;
  --accent: #7a1c24;
  --accent-hover: #991f2b;
  --danger: #d32f2f;
  --divider-bold: #111111;
  --shadow-panel: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-deep: 0 8px 24px rgba(0, 0, 0, 0.2);
}

html { scroll-behavior: smooth; }

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a { 
  color: inherit;
  text-decoration: none;
}
a:hover { color: var(--accent); }

/* Animated underline links */
.link-underline {
  position: relative;
  text-decoration: none;
}
.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 200ms ease;
}
.link-underline:hover::after {
  width: 100%;
}

/* Accessible focus */
:focus-visible {
  outline: 2px solid var(--border-strong);
  outline-offset: 2px;
}

/* ===== Background stack ===== */
/* Base paper background */
.paper-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  background: var(--bg-base);
}

/* Paper grain texture */
.paper-grain {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* Subtle ink splatter texture overlay */
.ink-texture {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.03;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(17, 17, 17, 0.4) 0%, transparent 2%),
    radial-gradient(circle at 80% 60%, rgba(17, 17, 17, 0.3) 0%, transparent 1.5%),
    radial-gradient(circle at 40% 80%, rgba(17, 17, 17, 0.35) 0%, transparent 2.5%),
    radial-gradient(circle at 90% 20%, rgba(17, 17, 17, 0.25) 0%, transparent 1.8%);
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

/* ===== Theme utilities ===== */
.theme-bg { background-color: var(--bg-base); }
.theme-surface { background-color: var(--bg-surface); }
.theme-elevated { background-color: var(--bg-elevated); }
.theme-border { border-color: var(--border); }
.theme-border-strong { border-color: var(--border-strong); }
.theme-text { color: var(--text-primary); }
.theme-text-secondary { color: var(--text-secondary); }
.theme-text-muted { color: var(--text-muted); }
.theme-accent { color: var(--accent); }
.theme-link { color: var(--accent); }
.theme-link:hover { color: var(--text-primary); }

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.stack-xxl { padding: 84px 0; }
.stack-xl { padding: 64px 0; }
.stack-lg { padding: 48px 0; }
.stack-md { padding: 32px 0; }

.section-divider { 
  border-top: 3px solid var(--divider-bold);
  position: relative;
}
.hero-divider { 
  width: 100%;
  height: 3px;
  background: var(--divider-bold);
  margin: 48px 0;
  position: relative;
}
/* Ink brush divider accent */
.hero-divider::after {
  content: '';
  position: absolute;
  left: 0;
  top: -2px;
  width: 120px;
  height: 6px;
  background: var(--accent);
  clip-path: polygon(0 50%, 5% 0, 20% 60%, 40% 20%, 60% 70%, 80% 30%, 95% 80%, 100% 50%, 95% 100%, 80% 40%, 60% 90%, 40% 50%, 20% 100%, 5% 60%);
}
section { scroll-margin-top: 88px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 720px) {
  .container { padding: 0 24px; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .container { padding: 0 28px; }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ===== Typography ===== */
.serif {
  font-family: 'Playfair Display', 'Cormorant', Georgia, serif;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 13px;
  letter-spacing: 0.02em;
  font-weight: 500;
}
.kicker-dot { width: 8px; height: 8px; background: var(--accent); display: inline-block; border-radius: 50%; }

.h1 {
  font-family: 'Playfair Display', 'Cormorant', Georgia, serif;
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
  font-weight: 800;
  color: var(--text-primary);
  position: relative;
}
@media (min-width: 720px) {
  .h1 { font-size: 96px; }
}
/* Dramatic crimson underline */
.h1-accent::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0 100%);
}

.subtitle {
  margin: 24px 0 0;
  font-size: 24px;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.lede {
  margin: 24px 0 0;
  color: var(--text-secondary);
  max-width: 62ch;
  font-size: 18px;
  line-height: 1.7;
}

.h2 {
  font-family: 'Playfair Display', 'Cormorant', Georgia, serif;
  font-size: 42px;
  line-height: 1.2;
  letter-spacing: 0.05em;
  margin: 0 0 32px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
}

.h3 {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

.muted { color: var(--text-secondary); }
.small { font-size: 14px; }
.tiny { font-size: 12px; color: var(--text-muted); }

/* ===== Components ===== */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity 0.4s ease, transform 0.4s ease; }
.revealed { opacity: 1; transform: translateY(0); }

.card-hover {
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-deep);
}

/* Cards / panels - Manga style */
.card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  border-radius: 0;
  box-shadow: var(--shadow-panel);
  position: relative;
}
.industrial-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
}
/* Manga panel effect */
.manga-panel {
  background-color: var(--bg-surface);
  border: 3px solid var(--border-panel);
  border-radius: 0;
  box-shadow: var(--shadow-panel);
  position: relative;
}
.manga-panel::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  pointer-events: none;
  z-index: -1;
}
/* Alternate section backgrounds */
.section-alt {
  background-color: var(--bg-darker);
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 239, 231, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--divider-bold);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.site-header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: rgba(141, 162, 166, 0.85);
}
.nav {
  display: none;
  align-items: center;
  gap: 18px;
}
.nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 2px;
}
.nav a[aria-current="page"],
.nav a.is-active { color: var(--text-primary); }
.nav a:hover { color: var(--text-primary); }

.nav-toggle {
  display: inline-flex;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.mobile-nav a:hover { background: var(--bg-elevated); color: var(--text-primary); }

@media (min-width: 860px) {
  .nav { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* Inputs */
.industrial-input {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  border-bottom: 3px solid var(--border-strong);
  color: var(--text-primary);
  transition: border-color 150ms ease;
}
.industrial-input::placeholder {
  color: var(--text-muted);
}
.industrial-input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.industrial-input.input-error {
  border-color: var(--danger);
  border-bottom-color: var(--danger);
}

/* Buttons - Manga style */
.btn-primary {
  background-color: var(--accent);
  border: 3px solid var(--border-panel);
  color: #ffffff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 13px;
  transition: all 200ms ease;
  position: relative;
  box-shadow: var(--shadow-panel);
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-deep);
}
.btn-secondary {
  background-color: transparent;
  border: 3px solid var(--border-panel);
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 13px;
  transition: all 200ms ease;
  box-shadow: var(--shadow-panel);
}
.btn-secondary:hover {
  background-color: var(--border-panel);
  color: var(--bg-base);
  transform: translateY(-2px);
  box-shadow: var(--shadow-deep);
}

/* Badges / tags — muted */
.badge {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* Forms */
.form-row { display: grid; gap: 14px; }
.field label { display: block; font-size: 14px; color: var(--text-secondary); margin: 0 0 6px; }
.field input,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 120px; }
.field .error {
  display: none;
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--danger);
}
.field.has-error .error { display: block; }
.field.has-error .industrial-input { border-color: var(--danger); }

.form-status { margin: 12px 0 0; font-size: 14px; color: var(--text-muted); }
.form-status.is-error { color: var(--danger); }

/* Manga-style blockquote */
.manga-quote {
  background: var(--bg-surface);
  border-left: 6px solid var(--accent);
  border-right: 6px solid var(--accent);
  border-top: 3px solid var(--border-panel);
  border-bottom: 3px solid var(--border-panel);
  padding: 48px 32px;
  margin: 64px 0;
  position: relative;
  box-shadow: var(--shadow-panel);
}
.manga-quote p {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 28px;
  line-height: 1.5;
  font-weight: 600;
  font-style: italic;
  color: var(--text-primary);
  margin: 0;
  text-align: center;
}
.manga-quote::before,
.manga-quote::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent);
}
.manga-quote::before {
  top: -3px;
  left: -3px;
}
.manga-quote::after {
  bottom: -3px;
  right: -3px;
}

/* Projects - Manga panel style */
.project-card {
  background: var(--bg-surface);
  border: 3px solid var(--border-panel);
  padding: 32px;
  border-radius: 0;
  box-shadow: var(--shadow-panel);
  position: relative;
}
.project-card.highlight {
  border: 3px solid var(--accent);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-deep);
}
.project-card.highlight::before {
  content: 'FEATURED';
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent);
  color: white;
  padding: 4px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.project-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--border-panel);
  color: white;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 0;
  margin-right: 8px;
  margin-bottom: 8px;
}
/* Dark background strip for contrast */
.project-strip {
  background: var(--border-panel);
  color: white;
  padding: 12px 24px;
  margin: -32px -32px 24px -32px;
}

/* Footer */
.site-footer {
  border-top: 2px solid var(--divider-bold);
  padding: 32px 0;
  color: var(--text-muted);
  font-size: 14px;
}