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

/* ── TOKENS ── */
:root {
  --black: #080808;
  --white: #f5f4f1;
  --mid: #666;
  --faint: #888;
  --rule: #e0deda;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'Geist Mono', 'Courier New', monospace;
}

html { font-size: 16px; scroll-behavior: smooth; scrollbar-gutter: stable; }

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 3rem;
  background: rgba(245, 244, 241, 0.93);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s;
}
nav.scrolled { border-color: var(--rule); }

.nav-logo {
  display: block;
  width: 28px;
  height: 28px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  width: 100%;
  height: 100%;
  display: block;
}

.nav-home {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 200;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--mid);
  transition: color 0.2s;
}
.nav-home:hover { color: var(--black); }

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

.nav-links a {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 200;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--mid);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--black); }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--rule);
  padding: 1.6rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p {
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 200;
  letter-spacing: 0.12em;
  color: var(--faint);
  text-transform: uppercase;
}

/* ── PAGE WRAPPER ── */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
  padding: 6.5rem 3rem 6rem;
}

/* ── PAGE TITLE ── */
.page-title {
  font-family: var(--sans);
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.page-title-sub {
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 200;
  color: var(--faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── UTILITIES ── */
.label {
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 200;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ── ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.stagger.visible > *:nth-child(1)  { transition-delay: 0.00s; }
.stagger.visible > *:nth-child(2)  { transition-delay: 0.07s; }
.stagger.visible > *:nth-child(3)  { transition-delay: 0.14s; }
.stagger.visible > *:nth-child(4)  { transition-delay: 0.21s; }
.stagger.visible > *:nth-child(5)  { transition-delay: 0.28s; }
.stagger.visible > *:nth-child(6)  { transition-delay: 0.35s; }
.stagger.visible > *:nth-child(7)  { transition-delay: 0.42s; }
.stagger.visible > *:nth-child(8)  { transition-delay: 0.49s; }
.stagger.visible > *:nth-child(9)  { transition-delay: 0.56s; }
.stagger.visible > *:nth-child(10) { transition-delay: 0.63s; }
.stagger.visible > * { opacity: 1; transform: translateY(0); }

/* ── HAMBURGER — hidden on desktop ── */
.nav-hamburger {
  display: none;
}

/* ── MOBILE MENU OVERLAY — hidden by default ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 200;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--black);
}

.mobile-menu-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 200;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* ── MOBILE ── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .content { padding: 5.5rem 1.5rem 4rem; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; padding: 1.5rem; }

  .nav-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 14px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    flex-shrink: 0;
  }

  .nav-hamburger span {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--mid);
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
  }

  .nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}