/* ==========================================================================
   SPIRAL CAFE — COMPONENTS
   Navigation, buttons, hero, cards, carousel, gallery/lightbox, forms, footer.
   ========================================================================== */

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9em 1.6em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--step-body);
  line-height: 1;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: transform var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-primary-deep);
  border-color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn-outline {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
}

.btn-outline:hover {
  background: currentColor;
  color: var(--color-primary-deep);
}

.btn[aria-disabled='true'] {
  opacity: 0.55;
  pointer-events: none;
}

.btn-icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   SITE HEADER / NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
  background: color-mix(in srgb, var(--color-black) 55%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--duration-med) var(--ease-standard),
    border-color var(--duration-med) var(--ease-standard);
}

.site-header.is-scrolled .site-header__bar {
  background: color-mix(in srgb, var(--color-black) 85%, transparent);
  border-bottom-color: var(--color-hairline);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand img {
  height: 34px;
  width: auto;
}

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.1rem);
}

.nav-desktop a:not(.btn) {
  position: relative;
  font-weight: 600;
  font-size: 0.95rem;
  padding-block: 0.3rem;
}

.nav-desktop a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1.5px;
  background: currentColor;
  transition: right var(--duration-med) var(--ease-standard);
}

.nav-desktop a:not(.btn):hover::after,
.nav-desktop a[aria-current='page']::after {
  right: 0;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform var(--duration-fast) var(--ease-standard),
    opacity var(--duration-fast) var(--ease-standard);
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-black);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--gutter) 3rem;
  transform: translateX(100%);
  transition: transform var(--duration-med) var(--ease-standard);
}

.nav-mobile[data-open='true'] {
  transform: translateX(0);
}

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-mobile a:not(.btn) {
  display: block;
  padding: 0.6rem 0;
  font-family: var(--font-display);
  font-size: var(--step-display-sm);
  font-weight: 700;
  border-bottom: 1px solid var(--color-hairline);
}

.nav-mobile .btn {
  margin-top: 2rem;
  align-self: flex-start;
}

body.nav-open {
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90svh;
  display: flex;
  align-items: flex-end;
  color: var(--color-white);
  background-color: var(--color-black);
  background-size: cover;
  background-position: center 60%;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    color-mix(in srgb, var(--color-black) 82%, transparent) 0%,
    color-mix(in srgb, var(--color-black) 35%, transparent) 45%,
    color-mix(in srgb, var(--color-black) 55%, transparent) 100%
  );
}

.hero__inner {
  position: relative;
  width: 100%;
  padding-block: 6rem 4rem;
}

.hero__eyebrow {
  color: var(--color-white);
  opacity: 0.85;
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: var(--step-display-xl);
  max-width: 16ch;
}

.hero__sub {
  margin-top: 1.25rem;
  max-width: 34ch;
  font-size: var(--step-body-lg);
  opacity: 0.92;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

.scroll-cue {
  position: absolute;
  bottom: 1.75rem;
  left: var(--gutter);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--step-body-sm);
  font-weight: 600;
  opacity: 0.8;
}

.scroll-cue__line {
  width: 1px;
  height: 28px;
  background: currentColor;
  overflow: hidden;
}

.scroll-cue__line::after {
  content: '';
  display: block;
  width: 100%;
  height: 40%;
  background: var(--color-white);
  animation: scrollcue 2.2s var(--ease-standard) infinite;
}

@keyframes scrollcue {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(250%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue__line::after {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   SPIRAL MOTIF
   -------------------------------------------------------------------------- */
.spiral-mark {
  position: absolute;
  opacity: 0.16;
  pointer-events: none;
  color: currentColor;
}

.spiral-mark svg {
  width: 100%;
  height: 100%;
}

.spiral-mark--corner {
  top: -8%;
  right: -6%;
  width: min(60vw, 620px);
  height: min(60vw, 620px);
}

.spin-slow {
  animation: spin-slow 60s linear infinite;
  transform-origin: 50% 50%;
}

@keyframes spin-slow {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .spin-slow {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   PAGE HEADER (secondary pages)
   -------------------------------------------------------------------------- */
.page-header {
  padding-block: calc(var(--section-pad-y) * 0.7) calc(var(--section-pad-y) * 0.5);
  position: relative;
  overflow: hidden;
}

.page-header__eyebrow {
  margin-bottom: 1rem;
  opacity: 0.85;
}

.page-header__title {
  font-size: var(--step-display-lg);
  max-width: 20ch;
}

.page-header__lede {
  margin-top: 1.25rem;
  max-width: 55ch;
  font-size: var(--step-body-lg);
  opacity: 0.92;
}

.page-banner {
  position: relative;
  height: clamp(220px, 38vw, 440px);
  background-size: cover;
  background-position: center;
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
}

/* --------------------------------------------------------------------------
   QUICK FACTS
   -------------------------------------------------------------------------- */
.quick-facts {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-hairline-on-light);
}

.surface-dark .quick-facts,
.surface-primary .quick-facts {
  border-top-color: var(--color-hairline);
}

.quick-fact dt {
  font-size: var(--step-eyebrow);
  font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0.65;
  margin-bottom: 0.5rem;
}

.quick-fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-display-sm);
  line-height: 1.25;
}

.quick-fact dd small {
  display: block;
  font-family: var(--font-body);
  font-size: var(--step-body-sm);
  font-weight: 600;
  font-style: italic;
  opacity: 0.7;
  margin-top: 0.35rem;
}

/* --------------------------------------------------------------------------
   PHILOSOPHY / EDITORIAL BLOCK
   -------------------------------------------------------------------------- */
.philosophy {
  position: relative;
  overflow: hidden;
}

.philosophy blockquote {
  margin: 2rem 0 0;
  font-family: var(--font-display);
  font-size: var(--step-display-md);
  line-height: 1.3;
  max-width: 22ch;
}

.philosophy-themes {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.philosophy-themes li {
  padding: 0.5em 1em;
  border: 1px solid var(--color-hairline);
  border-radius: 999px;
  font-size: var(--step-body-sm);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   IMAGE / MEDIA CARDS
   -------------------------------------------------------------------------- */
.media-duo {
  display: grid;
  gap: 1.5rem;
  margin-top: 3.5rem;
  grid-template-columns: 1fr;
}

.media-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 5;
  background: var(--color-black-soft);
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.media-card:hover img {
  transform: scale(1.04);
}

.media-card__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem;
  background: linear-gradient(
    to top,
    color-mix(in srgb, var(--color-black) 80%, transparent),
    transparent
  );
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   GALLERY GRID + LIGHTBOX
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 3rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 1 / 1;
  background: var(--color-black-soft);
}

.gallery-item.is-tall {
  aspect-ratio: 1 / 1.3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-med) var(--ease-standard);
}

.gallery-item button {
  display: block;
  width: 100%;
  height: 100%;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  text-align: center;
  border: 1px dashed var(--color-hairline-adaptive);
  font-size: var(--step-body-sm);
  font-style: italic;
  opacity: 0.7;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
  background: color-mix(in srgb, var(--color-black) 92%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-med) var(--ease-standard);
}

.lightbox[data-open='true'] {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  margin-inline: auto;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.lightbox__caption {
  position: absolute;
  bottom: 1.5rem;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--color-white);
  font-size: var(--step-body-sm);
}

.quote-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-top: 2.5rem;
}

.quote-card {
  margin: 0;
  padding: 0 0 0 1.25rem;
  border-left: 3px solid var(--color-hairline-adaptive);
}

.quote-card p {
  font-size: var(--step-body-lg);
  line-height: 1.5;
}

.quote-card cite {
  display: block;
  margin-top: 0.75rem;
  font-style: normal;
  font-size: var(--step-body-sm);
  opacity: 0.7;
}

@media (min-width: 768px) {
  .quote-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   EMPTY STATES (menu / reviews / gallery placeholders)
   -------------------------------------------------------------------------- */
.empty-state {
  margin-top: 3rem;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter);
  border: 1px dashed var(--color-hairline);
  border-radius: var(--radius-md);
  text-align: center;
}

.surface-light .empty-state {
  border-color: var(--color-hairline-on-light);
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: var(--step-display-sm);
  margin-bottom: 0.75rem;
}

.empty-state p {
  max-width: 40ch;
  margin-inline: auto;
  opacity: 0.85;
}

.empty-state .btn {
  margin-top: 1.75rem;
}

/* --------------------------------------------------------------------------
   MENU ARCHITECTURE
   -------------------------------------------------------------------------- */
.menu-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.5rem;
}

.menu-nav button {
  padding: 0.55em 1.2em;
  border: 1px solid var(--color-hairline-on-light);
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--step-body-sm);
  transition: background-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard);
}

.menu-nav button[aria-selected='true'] {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.menu-category {
  margin-top: 3.5rem;
}

.menu-category h2 {
  font-size: var(--step-display-sm);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-hairline-on-light);
}

.menu-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem 1.5rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--color-hairline-on-light);
  align-items: baseline;
}

.menu-item__name {
  font-weight: 700;
  font-size: var(--step-body-lg);
}

.menu-item__desc {
  grid-column: 1 / -1;
  opacity: 0.75;
  font-size: var(--step-body-sm);
  max-width: 55ch;
}

.menu-item__price {
  font-family: var(--font-display);
  font-weight: 700;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   REVIEW CAROUSEL
   -------------------------------------------------------------------------- */
.review-carousel {
  position: relative;
  margin-top: 3rem;
}

.review-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 0.5rem;
  scroll-padding-left: var(--gutter);
}

.review-track::-webkit-scrollbar {
  display: none;
}

.review-card {
  scroll-snap-align: start;
  flex: 0 0 min(420px, 85vw);
  padding: 2rem;
  border: 1px solid var(--color-hairline-adaptive);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.review-card__rating {
  display: flex;
  gap: 0.2rem;
}

.review-card__quote {
  font-size: var(--step-body-lg);
  line-height: 1.55;
}

.review-card__meta {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.25rem 1rem;
  font-size: var(--step-body-sm);
  opacity: 0.75;
}

.review-card__reviewer {
  font-weight: 700;
  opacity: 1;
}

.review-card__badge {
  display: block;
  font-weight: 500;
  opacity: 0.8;
}

.review-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.review-controls__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-hairline-adaptive);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.review-controls__btn:hover {
  background: var(--color-white);
  color: var(--color-primary-deep);
}

.surface-light .review-controls__btn:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.review-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: min(60vw, 340px);
  justify-content: center;
}

.review-dots button {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.35;
  flex-shrink: 0;
}

.review-dots button[aria-current='true'] {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   FORMS
   -------------------------------------------------------------------------- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-field label {
  font-size: var(--step-body-sm);
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.85em 1em;
  background: color-mix(in srgb, var(--color-white) 10%, transparent);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  color: inherit;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: currentColor;
  opacity: 0.55;
}

.form-note {
  font-size: var(--step-body-sm);
  opacity: 0.75;
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
}

.form-status {
  margin-top: 1rem;
  font-size: var(--step-body-sm);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   MAP / DIRECTIONS PANEL
   -------------------------------------------------------------------------- */
.map-panel {
  margin-top: 3rem;
  border: 1px solid var(--color-hairline-on-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.map-panel__embed {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.map-panel__pending {
  aspect-ratio: 16 / 9;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  padding: 2rem;
  background: var(--color-primary-tint);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
  border-top: 1px solid var(--color-hairline);
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

.footer-brand img {
  height: 32px;
  margin-bottom: 1rem;
}

.footer-brand p {
  max-width: 32ch;
  opacity: 0.8;
  font-size: var(--step-body-sm);
}

.footer-col h3 {
  font-family: var(--font-body);
  font-size: var(--step-eyebrow);
  font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0.6;
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: var(--step-body-sm);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.8rem;
  opacity: 0.65;
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */
.error-page {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--gutter);
}

.error-page__code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 11rem);
  line-height: 0.9;
  opacity: 0.9;
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.25rem;
}

/* --------------------------------------------------------------------------
   REVEAL-ON-SCROLL (progressive enhancement; content visible without JS)
   -------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--duration-slow) var(--ease-standard),
    transform var(--duration-slow) var(--ease-standard);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}