/* ============================================================
   SECTIONS.CSS — Section-Specific Layouts
   Perfect Landing: Comfort Food
   ============================================================ */

/* ============================================================
   1. SCROLL PROGRESS BAR
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-amber), var(--color-gold), var(--color-sienna));
  z-index: calc(var(--z-nav) + 1);
  transition: width 50ms linear;
  will-change: width;
}

/* ============================================================
   2. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-4) 0;
  transition: all var(--duration-base) var(--ease-out);
}

.nav--scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  padding: var(--space-3) 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-cream);
  letter-spacing: var(--tracking-tight);
  transition: color var(--duration-base) var(--ease-out);
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(var(--color-cream-rgb), 0.7);
  letter-spacing: var(--tracking-wide);
  transition: color var(--duration-base) var(--ease-out);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-amber);
  transition: width var(--duration-base) var(--ease-out);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-cream);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: calc(var(--z-nav) + 2);
}

.nav__toggle-bar {
  width: 100%;
  height: 2px;
  background: var(--color-cream);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}

.nav__toggle--open .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle--open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle--open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav__drawer {
  display: none;
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__drawer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    position: fixed;
    inset: 0;
    background: var(--color-overlay-heavy);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: calc(var(--z-nav) + 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-slow) var(--ease-out);
  }

  .nav__drawer--open {
    opacity: 1;
    visibility: visible;
  }

  .nav__drawer-link {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-cream);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--duration-base) var(--ease-out);
  }

  .nav__drawer--open .nav__drawer-link {
    opacity: 1;
    transform: translateY(0);
  }

  .nav__drawer--open .nav__drawer-link:nth-child(1) { transition-delay: 100ms; }
  .nav__drawer--open .nav__drawer-link:nth-child(2) { transition-delay: 150ms; }
  .nav__drawer--open .nav__drawer-link:nth-child(3) { transition-delay: 200ms; }
  .nav__drawer--open .nav__drawer-link:nth-child(4) { transition-delay: 250ms; }
  .nav__drawer--open .nav__drawer-link:nth-child(5) { transition-delay: 300ms; }

  .nav__drawer-link:hover {
    color: var(--color-amber);
  }
}

/* ============================================================
   3. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at center bottom, rgba(26, 20, 16, 0.3) 0%, rgba(26, 20, 16, 0.8) 70%),
    linear-gradient(to bottom, rgba(26, 20, 16, 0.2) 0%, rgba(26, 20, 16, 0.95) 100%);
}

.hero__content {
  text-align: center;
  z-index: var(--z-base);
  padding-inline: var(--gutter);
  max-width: 900px;
}

.hero__eyebrow {
  margin-bottom: var(--space-5);
}

.hero__title {
  margin-bottom: var(--space-5);
  will-change: transform, opacity;
}

.hero__title em {
  font-style: italic;
  color: var(--color-amber);
}

.hero__subtitle {
  font-size: clamp(var(--text-md), 2.5vw, var(--text-xl));
  line-height: var(--leading-relaxed);
  color: rgba(var(--color-cream-rgb), 0.75);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.hero__scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-amber), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* ============================================================
   4. MANIFESTO SECTION
   ============================================================ */
.manifesto {
  position: relative;
  padding-block: clamp(var(--space-12), 15vw, var(--space-20));
}

.manifesto__text {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
  line-height: var(--leading-snug);
  text-align: center;
  max-width: 900px;
  margin-inline: auto;
  color: rgba(var(--color-cream-rgb), 0.15);
}

.manifesto__word {
  display: inline-block;
  transition: color 0.3s ease;
}

.manifesto__word--revealed {
  color: var(--color-cream);
}

.manifesto__word--highlight {
  color: var(--color-amber);
  font-style: italic;
}

/* ============================================================
   5. CHAPTER (Dish) SECTIONS
   ============================================================ */
.chapter {
  position: relative;
  overflow: hidden;
}

.chapter__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  align-items: center;
}

.chapter--reverse .chapter__inner {
  direction: rtl;
}

.chapter--reverse .chapter__inner > * {
  direction: ltr;
}

.chapter__image-wrap {
  position: relative;
  height: 100%;
  min-height: 500px;
  overflow: hidden;
}

.chapter__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  transition: transform 0.6s var(--ease-out);
}

.chapter__image-wrap:hover .chapter__image {
  transform: scale(1.03);
}

.chapter__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 50%, var(--color-bg) 100%);
  pointer-events: none;
}

.chapter--reverse .chapter__image-overlay {
  background: linear-gradient(to left, transparent 50%, var(--color-bg) 100%);
}

.chapter__content {
  padding: var(--space-10) clamp(var(--space-6), 6vw, var(--space-16));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.chapter__number {
  font-family: var(--font-serif);
  font-size: var(--text-6xl);
  font-weight: 800;
  color: rgba(var(--color-cream-rgb), 0.04);
  position: absolute;
  top: var(--space-6);
  line-height: 1;
}

.chapter__origin {
  margin-bottom: var(--space-3);
}

.chapter__title {
  margin-bottom: var(--space-4);
}

.chapter__hook {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-amber);
  margin-bottom: var(--space-5);
  line-height: var(--leading-relaxed);
}

.chapter__description {
  color: rgba(var(--color-cream-rgb), 0.75);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.chapter__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 1024px) {
  .chapter__inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .chapter--reverse .chapter__inner {
    direction: ltr;
  }

  .chapter__image-wrap {
    min-height: 400px;
    max-height: 50vh;
  }

  .chapter__image-overlay {
    background: linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%) !important;
  }

  .chapter__content {
    padding: var(--space-8) var(--gutter);
  }

  .chapter__number {
    font-size: var(--text-5xl);
  }
}

@media (max-width: 640px) {
  .chapter__image-wrap {
    min-height: 300px;
    max-height: 40vh;
  }
}

/* ============================================================
   6. SCIENCE SECTION
   ============================================================ */
.science {
  position: relative;
  background: var(--color-bg-warm);
}

.science__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.science__header h2 {
  margin-bottom: var(--space-4);
}

.science__header p {
  margin-inline: auto;
  color: rgba(var(--color-cream-rgb), 0.7);
}

.science__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.science__card {
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.science__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.science__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  display: block;
}

.science__stat {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-amber);
  margin-bottom: var(--space-2);
  display: block;
}

.science__card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.science__card p {
  font-size: var(--text-sm);
  color: var(--color-muted-light);
  margin-inline: auto;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   7. RECIPE WALL
   ============================================================ */
.recipes {
  position: relative;
}

.recipes__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.recipes__header h2 {
  margin-bottom: var(--space-4);
}

.recipes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

.recipe-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
  cursor: pointer;
}

.recipe-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.recipe-card__image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.recipe-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.recipe-card:hover .recipe-card__image {
  transform: scale(1.08);
}

.recipe-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 20, 16, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.recipe-card:hover .recipe-card__overlay,
.recipe-card:focus-within .recipe-card__overlay {
  opacity: 1;
}

.recipe-card__ingredients {
  font-size: var(--text-sm);
  color: rgba(var(--color-cream-rgb), 0.8);
  line-height: var(--leading-relaxed);
}

.recipe-card__body {
  padding: var(--space-5);
}

.recipe-card__origin {
  font-size: var(--text-xs);
  margin-bottom: var(--space-2);
}

.recipe-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.recipe-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.recipe-card__meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ============================================================
   8. PLEDGE (CTA) SECTION
   ============================================================ */
.pledge {
  position: relative;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(var(--color-amber-rgb), 0.06) 0%, transparent 70%),
    var(--color-bg);
}

.pledge h2 {
  margin-bottom: var(--space-4);
}

.pledge__subtitle {
  font-size: var(--text-lg);
  color: rgba(var(--color-cream-rgb), 0.7);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.pledge__form {
  max-width: 560px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pledge__input-group {
  position: relative;
}

.pledge__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted-light);
  margin-bottom: var(--space-2);
  text-align: left;
}

.pledge__input,
.pledge__textarea {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid rgba(var(--color-cream-rgb), 0.1);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-size: var(--text-base);
  transition: border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.pledge__input:focus,
.pledge__textarea:focus {
  border-color: var(--color-amber);
  box-shadow: 0 0 0 3px rgba(var(--color-amber-rgb), 0.15);
  outline: none;
}

.pledge__input::placeholder,
.pledge__textarea::placeholder {
  color: var(--color-muted);
}

.pledge__textarea {
  min-height: 120px;
  resize: vertical;
}

.pledge__submit {
  align-self: center;
  margin-top: var(--space-2);
}

.pledge__success {
  display: none;
  text-align: center;
  padding: var(--space-6);
}

.pledge__success--visible {
  display: block;
  animation: fadeInUp 0.5s var(--ease-out);
}

.pledge__success p {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-amber);
  margin-inline: auto;
}

/* ============================================================
   9. FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid rgba(var(--color-cream-rgb), 0.06);
  padding-block: var(--space-10);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.footer__brand h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.footer__brand h3 span {
  color: var(--color-amber);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  max-width: 360px;
}

.footer__col h4 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-4);
}

.footer__col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-muted);
  padding-block: var(--space-1);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__col a:hover {
  color: var(--color-cream);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(var(--color-cream-rgb), 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.footer__a11y-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer__a11y-link:hover {
  color: var(--color-cream);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* ============================================================
   10. ACCESSIBILITY MODAL
   ============================================================ */
.a11y-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-base) var(--ease-out);
}

.a11y-modal--open {
  opacity: 1;
  visibility: visible;
}

.a11y-modal__content {
  background: var(--color-bg-warm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.a11y-modal__close {
  float: right;
  font-size: var(--text-xl);
  color: var(--color-muted);
  transition: color var(--duration-fast);
}

.a11y-modal__close:hover {
  color: var(--color-cream);
}

.a11y-modal__content h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.a11y-modal__content p {
  font-size: var(--text-sm);
  color: var(--color-muted-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.a11y-modal__content ul {
  list-style: disc;
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}

.a11y-modal__content li {
  font-size: var(--text-sm);
  color: var(--color-muted-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}