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

:root {
  --bg:         #F4F1EB;
  --surface:    #EBE7DF;
  --border:     #D4CEC5;
  --border-hi:  #B5AFA6;
  --ink:        #0E0D0B;
  --muted:      #8A8178;
  --accent:     #E53B1A;
  --accent-dim: #B82E14;
  --cream:      #F4F1EB;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'Barlow', sans-serif;
  --cond: 'Barlow Condensed', sans-serif;
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --max: 1320px;
}

html {
  scroll-behavior: smooth;
  scrollbar-color: #555555 #f1f1f1;
  scrollbar-width: auto;
}
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #555555; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #333333; }

body {
  background-color: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: var(--cream);
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  white-space: nowrap;
}

.btn-primary:hover { background: transparent; color: var(--accent); }
.nav-cta-item .btn-primary { color: var(--cream); }
.nav-cta-item .btn-primary::after { display: none; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--border-hi);
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s;
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.arrow { display: inline-block; transition: transform 0.2s; }
a:hover .arrow, button:hover .arrow { transform: translate(3px, -3px); }

.grid-bg { position: relative; }
.grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.55;
  pointer-events: none;
}

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(244,241,235,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--cond);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--ink);
  text-transform: uppercase;
}

.nav-logo img {
  height: 60px;
  width: auto;
  display: block;
}

.nav-logo em { color: var(--accent); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 1rem; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 1px; background: var(--ink); transition: transform 0.22s, opacity 0.22s; }
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-links, .nav-cta .btn-primary { display: none; }
  .hamburger { display: flex; }
  nav.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: rgba(244,241,235,0.97);
    backdrop-filter: blur(14px);
    padding: 1.5rem var(--gutter);
    gap: 1.5rem;
    border-bottom: 2px solid var(--border);
    z-index: 99;
  }
}
@media (min-width: 769px) {
  .nav-cta-item { display: none; }
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: clamp(3rem, 5vw, 5rem);
  flex-wrap: wrap;
}

.section-title {
  font-family: var(--cond);
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.section-title em { font-style: normal; color: var(--accent); }

.section-desc {
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  padding-top: 0.5rem;
}

.section-desc strong { color: var(--ink); }

.section-num,
.section-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.footer-bar {
  border-top: 1px solid var(--border);
  padding-block: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-links { display: flex; gap: 2rem; }

.footer-links a {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s;
}

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

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.page-entry { animation: fadeUp 0.7s cubic-bezier(0.16,1,0.3,1) both; }
.page-entry-delay-1 { animation-delay: 0.15s; }
.page-entry-delay-2 { animation-delay: 0.3s; }
.page-entry-delay-3 { animation-delay: 0.45s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { transform: translateY(110%); }
  to   { transform: translateY(0); }
}

::selection { background: var(--accent); color: var(--cream); }

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--ink);
  cursor: pointer;
  width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 16px; height: 16px; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
[data-theme="dark"] {
  --bg: #131211;
  --surface: #1C1B19;
  --border: #2A2826;
  --border-hi: #3D3A37;
  --ink: #EDE9E1;
  --muted: #7A7570;
  scrollbar-color: #3D3A37 #1C1B19;
}
[data-theme="dark"] nav { background: rgba(19,18,17,0.95); }
[data-theme="dark"] nav.nav-open .nav-links { background: rgba(19,18,17,0.97); }
[data-theme="dark"] ::-webkit-scrollbar-track { background: #1C1B19; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #3D3A37; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #5A5650; }