/* ============================================================
   layout.css – Navigation, Hero, Section Wrappers, Footer
   ============================================================ */

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem var(--pad-h);
  background: rgba(244, 241, 235, 0.90);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
}

.nav__logo {
  font-size: 1.1rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav__logo span {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.78rem;
  font-weight: var(--fw-med);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid);
  transition: color var(--dur);
}

.nav__links a:hover {
  color: var(--color-ink);
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  padding-top: 5rem; /* nav height offset */
}

.hero__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg) var(--space-xl) var(--pad-h);
}

.hero__title {
  font-size: clamp(2.8rem, 4.5vw, 4.5rem);
  font-weight: var(--fw-light);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-md);
}

.hero__title strong {
  font-weight: var(--fw-semi);
  display: block;
}

.hero__sub {
  font-size: 1rem;
  color: var(--color-mid);
  line-height: 1.75;
  max-width: 380px;
  margin-bottom: var(--space-lg);
}

.hero__image {
  position: relative;
  overflow: hidden;
  order: 1;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.97);
}

.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(196, 164, 90, 0.08) 0%, transparent 55%);
  pointer-events: none;
}

/* ── Generic Section Wrapper ── */
.section {
  padding: var(--space-xxl) var(--pad-h);
}

.section--dark {
  background: var(--color-dark);
  color: var(--color-bg);
}

.section__header {
  margin-bottom: var(--space-lg);
}
/* ── Footer ── */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.8rem var(--pad-h);
  border-top: 1px solid var(--color-line);
  font-size: 0.78rem;
  color: var(--color-mid);
}

/* ── Hamburger Button ── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.2rem;
  height: 2.2rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  transform-origin: center;
}

/* Animated X when open */
.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Menu Overlay ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 150;
  background: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: clamp(1.8rem, 8vw, 2.6rem);
  font-weight: var(--fw-light);
  letter-spacing: -0.01em;
  color: var(--color-ink);
  text-decoration: none;
  padding: 0.7rem 2rem;
  border-bottom: 1px solid var(--color-line);
  width: 100%;
  text-align: center;
  transition: color 0.2s, background 0.2s;
}

.mobile-menu a:first-child { border-top: 1px solid var(--color-line); }

.mobile-menu a:hover {
  color: var(--color-accent);
  background: rgba(196, 164, 90, 0.05);
}

@media (max-width: 960px) {
  .nav__links      { display: none; }
  .nav__hamburger  { display: flex; }
  .mobile-menu     { display: flex; }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 0;
  }

  .hero__image {
    aspect-ratio: 4 / 3;
    height: auto;
    order: -1;
    margin-top: 5rem;
  }

  .hero__text {
    padding: var(--space-md) var(--pad-h) var(--space-lg);
  }

  .footer {
    flex-direction: column;
    gap: 0.6rem;
    text-align: center;
  }
}