@tailwind base;
@tailwind components;
@tailwind utilities;

/* --- Typography & Variables --- */
:root {
  --font-size-base: clamp(0.875rem, 1vw + 0.5rem, 1.125rem);
  --font-size-lg: clamp(1.25rem, 1.5vw + 1rem, 2rem);
  --font-size-xl: clamp(2rem, 3vw + 1rem, 4.5rem);
  --color-accent: #FF4500;
  --color-text-body: #4a4a4a;
  --color-text-heading: #1a1a1a;
}

html.lenis {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

/* --- Grainy Surface --- */
.grainy-surface {
  position: relative;
  background-color: #F4F1EC;
  /* Warm off-white */
}

.grainy-surface::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Vertical Text Utility */
.vertical-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* --- Typography Classes --- */
.section-heading {
  font-family: 'Inter', 'Montserrat', sans-serif;
  font-weight: 200;
  letter-spacing: 0.2em;
  color: var(--color-text-heading);
}

.section-header p.meta-text {
  font-family: 'Shippori Mincho', serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: #888;
}

.body-copy {
  font-family: 'Shippori Mincho', serif;
  color: var(--color-text-body);
  line-height: 2.2;
  letter-spacing: 0.15em;
}

/* --- Navigation --- */
.nav-link {
  position: relative;
  display: inline-block;
  font-family: 'Shippori Mincho', serif;
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: #5f5f5f;
  opacity: 0;
  transform: translateY(8px) translateZ(0);
  -webkit-transform: translateY(8px) translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform, opacity;
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    letter-spacing 0.4s ease,
    color 0.4s ease;
}

.nav-link.is-visible {
  opacity: 1;
  transform: translateY(0) translateZ(0);
  -webkit-transform: translateY(0) translateZ(0);
}

.nav-link:hover {
  opacity: 0.9;
  letter-spacing: 0.42em;
  color: #4a4a4a;
}

/* Navigation Overlay - Safari optimized */
#navOverlay {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

#navOverlay.nav-overlay--visible {
  visibility: visible;
  opacity: 1;
}

#navOverlay.nav-overlay--hidden {
  visibility: hidden;
  opacity: 0;
}

.nav-overlay__copy {
  font-family: 'Shippori Mincho', serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.35);
}

@media (max-width: 640px) {
  .nav-link {
    font-size: 1rem;
    letter-spacing: 0.35em;
  }
}

/* Removed custom underline animation as requested */


/* --- Hero Animations --- */
.hero-title {
  letter-spacing: 0.24em;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.animate-fade-in-down {
  animation: fadeInDown 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.animate-fade-in {
  animation: fadeIn 1.5s ease-out;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-fade {
  opacity: 0;
  transform: translateY(8px);
  animation: pageFadeIn 0.5s ease-out forwards;
}

@media (prefers-reduced-motion: reduce) {
  .page-fade {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* Masonry Item Hover Effect */
.masonry-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.masonry-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.masonry-item img {
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
  will-change: transform;
}

.masonry-item:hover img {
  transform: scale(1.05);
  /* Slightly subtle zoom */
  filter: saturate(1.1) contrast(1.05);
}

/* --- "Bo-watto" Reveal Animation --- */
.reveal {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(20px);
  transition: opacity 1.5s cubic-bezier(0.16, 1, 0.3, 1),
    filter 1.5s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, filter, transform;
}

.reveal.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.reveal--title {
  transition-delay: 0.2s;
}

.reveal--subtitle {
  transition-delay: 0.6s;
}

/* --- Site Footer --- */
.site-footer {
  background-color: transparent;
  padding: 3.5rem 2rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  text-align: center;
  border-top: 1px solid rgba(255, 69, 0, 0.18);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.site-footer__link {
  font-family: 'Shippori Mincho', serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: #777;
  text-transform: uppercase;
  position: relative;
  transition: color 0.3s ease;
}

.site-footer__link:hover {
  color: #4a4a4a;
}

.site-footer__copy {
  margin-top: 1rem;
}

.site-footer__logo {
  font-family: 'Shippori Mincho', serif;
  font-weight: 500;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #c4c4c4;
}

@media (max-width: 640px) {
  .site-footer__nav {
    display: grid;
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    column-gap: 2rem;
    row-gap: 1rem;
    text-align: center;
  }

  .site-footer__link {
    font-size: 0.75rem;
    letter-spacing: 0.22em;
  }
}

/* --- Privacy Policy Modal --- */
.privacy-modal {
  z-index: 60;
}

.privacy-modal__backdrop {
  transition: opacity 0.3s ease;
}

.privacy-modal__content {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.privacy-modal__content::-webkit-scrollbar {
  width: 4px;
}

.privacy-modal__content::-webkit-scrollbar-track {
  background: transparent;
}

.privacy-modal__content::-webkit-scrollbar-thumb {
  background: #ddd;
  border-radius: 2px;
}

.privacy-modal__content::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

.privacy-modal__body h3 {
  font-size: 0.875rem;
}

.privacy-modal__body ul {
  font-size: 0.8125rem;
}

@media (max-width: 640px) {
  .privacy-modal__content {
    padding: 1.5rem;
    max-height: 85vh;
  }

  .privacy-modal__body h3 {
    font-size: 0.8125rem;
  }

  .privacy-modal__body p,
  .privacy-modal__body ul {
    font-size: 0.75rem;
  }
}