/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --bg:       #F7F5F0;
  --bg-alt:   #EEEAE3;
  --bg-dark:  #0E0D0B;
  --card:     #FFFFFF;
  --fg:       #0A0A08;
  --fg-muted: #6A6860;
  --fg-dim:   #A5A29C;
  --accent:   #C8581A;
  --accent-l: rgba(200, 88, 26, 0.12);
  --border:   #DEDAD3;
  --border-s: #0A0A08;

  --font-display: 'Syne', system-ui, sans-serif;
  --font-body:    'Work Sans', system-ui, sans-serif;
  --font-mono:    'Space Mono', monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.4, 0, 1, 1);
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);

  --container: 1380px;
  --px: 2rem;
  --nav-h: 68px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Page entrance animation */
body { animation: pageIn 0.55s var(--ease-out) both; }
@keyframes pageIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
body.page-leaving { animation: pageOut 0.3s var(--ease-in) both; }
@keyframes pageOut {
  to { opacity: 0; }
}

[hidden] { display: none !important; }
img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ============================================================
   CONTAINER
   ============================================================ */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--px);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  position: relative;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 100%;
  height: 1px;
  background: var(--accent);
  transition: right 0.25s var(--ease-out);
}
.nav-links a:hover,
.nav-links a.active { color: var(--fg); }
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }
.nav-links a.active { color: var(--accent); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--fg);
  transform-origin: center;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--bg);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  border-top: 1px solid var(--border);
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.01em;
  transition: color 0.2s;
}
.nav-drawer a:hover, .nav-drawer a.active { color: var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.85);
  padding: 5rem 0 3rem;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem 6rem;
  align-items: start;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-brand-name span { color: var(--accent); }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 2rem;
}
.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color 0.2s;
}
.footer-email:hover { color: var(--accent); }
.footer-nav-col h4 {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1.25rem;
}
.footer-nav-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-nav-col a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-nav-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.25);
  line-height: 1.8;
}

/* ============================================================
   PAGE HEADER (shared across inner pages)
   ============================================================ */
.page-header {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  border-bottom: none;
  overflow: hidden;
  background: var(--bg-dark);
  color: #fff;
}
.page-header .page-label { color: rgba(255,255,255,0.38); }
.page-header .page-intro { color: rgba(255,255,255,0.6); }
.page-header .inner-title,
.page-header .it-line { color: #fff; }

/* Nav: white text when over dark page header */
.page-dark .site-nav:not(.scrolled) .nav-logo { color: #fff; }
.page-dark .site-nav:not(.scrolled) .nav-logo span { color: var(--accent); }
.page-dark .site-nav:not(.scrolled) .nav-links a { color: rgba(255,255,255,0.55); }
.page-dark .site-nav:not(.scrolled) .nav-links a:hover { color: #fff; }
.page-dark .site-nav:not(.scrolled) .nav-links a.active { color: var(--accent); }
.page-dark .site-nav:not(.scrolled) .nav-toggle span { background: #fff; }
.page-header .wrap { position: relative; }
.page-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.25rem;
  display: block;
}
.page-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 7vw, 7.5rem);
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--fg);
}
.page-title .accent { color: var(--accent); }
.page-intro {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.8;
  margin-top: 2rem;
}

/* ============================================================
   SECTION BASICS
   ============================================================ */
.section { padding: 7rem 0; }
.section-sm { padding: 4rem 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #fff; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1rem;
  display: block;
}
.section-dark .section-eyebrow { color: rgba(255,255,255,0.3); }

.section-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.section-dark .section-heading { color: #fff; }

.section-body {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--fg-muted);
  max-width: 600px;
  margin-top: 1.5rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 1rem 1.75rem;
  border: 1.5px solid currentColor;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  min-height: 44px;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
  z-index: 0;
}
.btn:hover::before { transform: scaleX(1); }
.btn span { position: relative; z-index: 1; transition: color 0.2s; }
.btn:hover span { color: var(--bg); }

.btn-dark {
  color: var(--fg);
  border-color: var(--fg);
}
.btn-dark:hover span { color: var(--bg); }

.btn-accent {
  color: var(--accent);
  border-color: var(--accent);
}
.btn-accent:hover span { color: #fff; }

.btn-white {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn-white:hover::before { background: #fff; }
.btn-white:hover span { color: var(--bg-dark); }

.btn-arrow::after {
  content: '→';
  position: relative;
  z-index: 1;
  transition: transform 0.25s var(--ease-out), color 0.2s;
}
.btn-arrow:hover::after { transform: translateX(4px); color: var(--bg); }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity  0.75s var(--ease-out) var(--delay, 0s),
    transform 0.75s var(--ease-out) var(--delay, 0s);
}
[data-reveal].visible {
  opacity: 1;
  transform: none;
}
[data-reveal="left"]  { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="left"].visible,
[data-reveal="right"].visible,
[data-reveal="scale"].visible { transform: none; }

/* ============================================================
   HORIZONTAL DIVIDER (geometric accent)
   ============================================================ */
.geo-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}
.geo-divider::before,
.geo-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.geo-diamond {
  width: 8px; height: 8px;
  background: var(--accent);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* ============================================================
   RESPONSIVE — NAV
   ============================================================ */
@media (max-width: 768px) {
  :root { --px: 1.25rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 640px) {
  /* Page header title: reduce from 40px min so long words don't clip on mobile */
  .page-title { font-size: clamp(1.75rem, 8.5vw, 3rem); }
  /* Inner title lines: allow wrapping + break long single words as fallback */
  .it-line { overflow-wrap: break-word; }
}