/* ============================================
   EMBER & ROAST — Layout
   ============================================ */

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow {
  max-width: var(--container-narrow);
}

/* ---- Section ---- */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}
.section--dark {
  background: var(--bg-primary);
  color: var(--text-primary);
}
.section--darker {
  background: var(--color-void);
  color: var(--text-primary);
}
.section--elevated {
  background: var(--bg-elevated);
}
.section--light {
  background: var(--bg-light);
  color: var(--text-dark);
}
.section--light-alt {
  background: var(--bg-light-alt);
  color: var(--text-dark);
}

/* ---- Grid ---- */
.grid {
  display: grid;
  gap: var(--gutter);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--asymm { grid-template-columns: 1fr 1.2fr; }
.grid--asymm-rev { grid-template-columns: 1.2fr 1fr; }

/* ---- Header / Nav ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--duration-slow) var(--ease-out-expo);
}
.site-header.scrolled {
  background: rgba(19, 18, 16, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--space-md) 0;
  box-shadow: 0 1px 40px rgba(0,0,0,0.3);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--color-cream);
  letter-spacing: var(--ls-tight);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.site-logo .logo-accent {
  color: var(--color-ember);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.nav-links a {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--duration-normal) var(--ease-out-expo);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-amber);
  transition: width var(--duration-normal) var(--ease-out-expo);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-cream);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  padding: 0.65rem 1.6rem;
  border: 1px solid var(--border-medium);
  color: var(--color-cream);
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.nav-cta:hover {
  background: var(--color-ember);
  border-color: var(--color-ember);
  box-shadow: var(--shadow-glow);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--color-cream);
  transition: all var(--duration-normal) var(--ease-out-expo);
  transform-origin: center;
}
.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); }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-void);
  padding: var(--space-3xl) 0 var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}
.footer-brand .logo-accent { color: var(--color-ember); }
.footer-desc {
  font-family: var(--font-accent);
  font-size: var(--fs-md);
  font-weight: var(--fw-light);
  color: var(--color-stone);
  line-height: var(--lh-relaxed);
  max-width: 320px;
}
.footer-heading {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-lg);
}
.footer-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-list a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  color: var(--color-stone);
  transition: color var(--duration-fast);
}
.footer-list a:hover { color: var(--color-cream); }
.footer-newsletter-text {
  font-size: var(--fs-sm);
  color: var(--color-stone);
  font-weight: var(--fw-light);
  margin-bottom: var(--space-md);
  line-height: var(--lh-relaxed);
}
.footer-newsletter-form {
  display: flex;
  border: 1px solid var(--border-light);
}
.footer-newsletter-form input {
  flex: 1;
  padding: 0.7rem 1rem;
  font-size: var(--fs-sm);
  color: var(--color-cream);
  background: transparent;
}
.footer-newsletter-form input::placeholder { color: var(--color-mocha); }
.footer-newsletter-form button {
  padding: 0.7rem 1.2rem;
  background: var(--color-ember);
  color: var(--color-cream);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  transition: background var(--duration-fast);
}
.footer-newsletter-form button:hover { background: var(--color-amber); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}
.footer-copy {
  font-size: var(--fs-xs);
  color: var(--color-mocha);
}
.footer-socials {
  display: flex;
  gap: var(--space-md);
}
.footer-social {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  color: var(--color-stone);
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.footer-social:hover {
  background: var(--color-ember);
  border-color: var(--color-ember);
  color: var(--color-cream);
  transform: translateY(-2px);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--asymm, .grid--asymm-rev { grid-template-columns: 1fr; }
  .section { padding: var(--space-3xl) 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --gutter: 1.25rem; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 8, 0.97);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    z-index: 999;
  }
  .nav-links.mobile-open a {
    font-size: var(--fs-lg);
    letter-spacing: var(--ls-widest);
  }
  .nav-links.mobile-open + .nav-cta {
    display: inline-block;
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
  }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .section { padding: var(--space-2xl) 0; }
}