/* ================================================================
   LAYOUT.CSS — Nav, Hero, Section wrappers, About, Contact, Footer
   Edit padding/grid values here to adjust spacing and proportions.
================================================================ */

/* ── NAV ── */
.nav {
  height: var(--nav-height);
  background: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .08em;
  color: var(--color-bg);
}
.nav__links { display: flex; }
.nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(240,237,230,.35);
  padding: 0 18px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-left: 1px solid rgba(255,255,255,.06);
  transition: color var(--ease-fast);
}
.nav__link:hover { color: var(--color-bg); }

/* Mobile burger — hidden on desktop */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-bg);
  transition: transform var(--ease-normal), opacity var(--ease-normal);
}
.nav__burger.open span:first-child { transform: rotate(45deg) translate(4px,4px); }
.nav__burger.open span:last-child  { transform: rotate(-45deg) translate(4px,-4px); }

/* Mobile drawer */
.nav__drawer {
  display: none;
  flex-direction: column;
  background: var(--color-ink);
  border-bottom: var(--border-heavy);
  position: sticky;
  top: var(--nav-height);
  z-index: 99;
  overflow: hidden;
  max-height: 0;
  transition: max-height .35s ease;
}
.nav__drawer.open { max-height: 300px; }
.nav__drawer-link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(240,237,230,.5);
  padding: 18px var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,.05);
  transition: color var(--ease-fast);
}
.nav__drawer-link:hover { color: var(--color-bg); }
.nav__drawer-link--cta { color: var(--color-accent); }

/* ── HERO ── */
.hero {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  min-height: calc(100vh - var(--nav-height));
  border-bottom: var(--border-heavy);
  background: var(--color-surface);
}
.hero__main {
  border-right: var(--border-heavy);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
/* Decorative diagonal slashes */
.hero__slash {
  position: absolute; top: -60px; right: 80px;
  width: 4px; height: 160%;
  background: var(--color-accent);
  transform: rotate(12deg);
  opacity: .1; pointer-events: none;
}
.hero__slash2 {
  position: absolute; top: -60px; right: 120px;
  width: 1px; height: 160%;
  background: var(--color-ink);
  transform: rotate(12deg);
  opacity: .05; pointer-events: none;
}
.hero__top {
  padding: var(--space-xl) var(--space-lg) var(--space-md);
  border-bottom: var(--border-thin);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.hero__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .12em;
  color: var(--color-grey);
  text-align: right;
  line-height: 1.9;
}
.hero__center {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-md) var(--space-lg);
  position: relative;
}
.hero__bottom {
  padding: var(--space-md) var(--space-lg);
  border-top: var(--border-thin);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}
.hero__desc {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-mid);
  font-weight: 300;
  max-width: 380px;
}
.hero__cta { display: flex; flex-direction: column; gap: var(--space-xs); align-items: flex-end; }

/* Hero sidebar */
.hero__side { display: flex; flex-direction: column; }
.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-rule);
  gap: 1px;
  border-bottom: var(--border-thin);
}
.hero__avail {
  padding: var(--space-md) var(--space-md);
  background: var(--color-surface);
}

/* ── SECTION WRAPPER ── */
.sec {
  padding: var(--space-xl) var(--space-lg);
  border-bottom: var(--border-heavy);
}
.sec--light { background: var(--color-surface); }
.sec__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-md);
  border-bottom: var(--border-heavy);
}

/* ── ABOUT ── */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--border-heavy);
}
.about__left {
  padding: var(--space-xl) var(--space-lg);
  border-right: var(--border-heavy);
}
.about__right { padding: var(--space-xl) var(--space-lg); }

/* ── PROCESS ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-ink);
  gap: 1px;
  margin-top: var(--space-md);
}

/* ── CONTACT ── */
.contact {
  background: var(--color-ink);
  display: grid;
  grid-template-columns: 1fr 300px;
}
.contact__left  { padding: var(--space-2xl) var(--space-lg); }
.contact__right {
  border-left: 1px solid rgba(255,255,255,.06);
  padding: var(--space-xl) var(--space-md);
}

/* ── FOOTER ── */
.footer {
  background: var(--color-ink);
  border-top: 1px solid rgba(255,255,255,.04);
  padding: 18px var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}