/* =================================================================
   PRABHXFRAMES — stylesheet
   Sections: Variables, Reset, Base, Header, Hero, Gallery,
             Lightbox, About, Footer, Reveal animation, Responsive
   ================================================================= */


/* ---------- Variables ---------- */
:root {
  --bg: #0c0a09;
  --bg-raised: #131110;
  --ink: #f3ede4;
  --ink-dim: #a89e91;
  --ink-faint: #6b6259;
  --accent: #e2984f;
  --accent-soft: rgba(226, 152, 79, 0.16);
  --line: rgba(243, 237, 228, 0.1);

  --serif: "Fraunces", "Iowan Old Style", ui-serif, Georgia, serif;
  --sans: "Archivo", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 350ms;
  --dur-slow: 600ms;
}


/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}


/* ---------- Base ---------- */
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.kicker {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}


/* ---------- Reveal animation (Intersection Observer driven) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  will-change: opacity, transform;
}

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


/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem clamp(1.25rem, 4vw, 3rem);
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
              background-color var(--dur-fast) ease;
  pointer-events: none;
}

.site-header.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  background-color: rgba(12, 10, 9, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__mark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.site-header__nav {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

.site-header__nav a {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  transition: color var(--dur-fast) var(--ease);
}

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


/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 480px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

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

.hero__img {
  width: 100%;
  height: 118%;
  object-fit: cover;
  object-position: center 62%;
  will-change: transform;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12,10,9,0.35) 0%, rgba(12,10,9,0.15) 30%, rgba(12,10,9,0.55) 78%, rgba(12,10,9,0.92) 100%),
    linear-gradient(0deg, rgba(12,10,9,0.2), rgba(12,10,9,0.2));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 0 clamp(1.25rem, 5vw, 3.5rem) clamp(3.5rem, 9vh, 6rem);
}

.hero__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 11vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}

.hero__tagline {
  margin-top: clamp(0.9rem, 2vw, 1.4rem);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  color: var(--accent);
  letter-spacing: 0.01em;
}

.hero__insta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: clamp(1.5rem, 3vw, 2.1rem);
  padding: 0.7rem 1.15rem 0.7rem 0.85rem;
  border: 1px solid rgba(243, 237, 228, 0.32);
  border-radius: 999px;
  background: rgba(12, 10, 9, 0.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  transition: border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

.hero__insta svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hero__insta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.hero__scroll {
  position: absolute;
  z-index: 1;
  right: clamp(1.25rem, 5vw, 3.5rem);
  bottom: clamp(1.5rem, 4vh, 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}

.hero__scroll-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, transparent, var(--ink-dim) 40%, transparent);
  animation: scrollPulse 2.4s var(--ease) infinite;
}

.hero__scroll-label {
  writing-mode: vertical-rl;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

@keyframes scrollPulse {
  0% { transform: scaleY(0.3); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0.3); transform-origin: bottom; opacity: 0.4; }
}


/* ---------- Gallery ---------- */
.gallery {
  padding: clamp(5rem, 12vh, 8rem) clamp(1.1rem, 4vw, 3rem) clamp(2rem, 6vh, 4rem);
  max-width: 1600px;
  margin: 0 auto;
}

.gallery__head {
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 22vw;
  grid-auto-flow: dense;
  gap: clamp(0.6rem, 1.4vw, 1.15rem);
}

.gal-item {
  position: relative;
  overflow: hidden;
  background: var(--bg-raised);
  cursor: pointer;
}

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease);
}

.gal-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.35) 100%);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
  pointer-events: none;
}

.gal-item:hover img { transform: scale(1.055); }
.gal-item:hover::after { opacity: 1; }

.gal-tall { grid-row: span 2; }
.gal-wide { grid-column: span 2; }


/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 7, 6, 0.96);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__stage {
  position: relative;
  width: min(92vw, 1200px);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__stage img {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  object-fit: contain;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.lightbox__stage img.is-loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox__caption {
  margin-top: 1rem;
  max-width: 60ch;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-dim);
  padding: 0 1rem;
}

.lightbox__close {
  position: absolute;
  top: clamp(1rem, 3vh, 2rem);
  right: clamp(1rem, 3vw, 2.5rem);
  font-size: 2rem;
  line-height: 1;
  color: var(--ink);
  opacity: 0.7;
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) ease;
}

.lightbox__close:hover { opacity: 1; transform: rotate(90deg); }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-size: 3rem;
  color: var(--ink);
  opacity: 0.55;
  padding: 0.5rem 1rem;
  transition: opacity var(--dur-fast) ease;
}

.lightbox__nav:hover { opacity: 1; }
.lightbox__nav--prev { left: clamp(0.25rem, 2vw, 1.5rem); }
.lightbox__nav--next { right: clamp(0.25rem, 2vw, 1.5rem); }


/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 1600px;
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.1rem, 4vw, 3rem) clamp(6rem, 12vh, 9rem);
}

.about__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__body .kicker { margin-bottom: 1.1rem; }

.about__text {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.4;
  color: var(--ink);
  max-width: 30ch;
}


/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: clamp(3rem, 8vh, 5rem) clamp(1.1rem, 4vw, 3rem) clamp(2rem, 5vh, 3rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.75rem, 4vh, 2.5rem);
  text-align: center;
}

.site-footer__mark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  letter-spacing: -0.01em;
}

.site-footer__links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.site-footer__links a {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  position: relative;
  transition: color var(--dur-fast) ease;
}

.site-footer__icon-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.9rem 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color var(--dur-fast) ease, color var(--dur-fast) ease,
              background-color var(--dur-fast) ease;
}

.site-footer__icon-link svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.site-footer__icon-link:hover {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent-soft);
}

/* icon link already has its own hover treatment; skip the underline sweep */
.site-footer__icon-link::after { content: none; }

.site-footer__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -4px;
  height: 1px;
  background: var(--accent);
  transition: right var(--dur-fast) var(--ease);
}

.site-footer__links a:hover { color: var(--ink); }
.site-footer__links a:hover::after { right: 0; }

.site-footer__meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}


/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 44vw;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about__media { aspect-ratio: 16 / 10; }
}

@media (max-width: 640px) {
  .site-header { padding: 1.25rem 1.1rem; }
  .site-header__nav { gap: 1.1rem; }
  .site-header__nav a { font-size: 0.75rem; }

  .gallery__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 1rem;
  }

  .gal-item { aspect-ratio: 4 / 3; }
  .gal-tall { grid-row: span 1; aspect-ratio: 3 / 4; }
  .gal-wide { grid-column: span 1; }

  .lightbox__nav { font-size: 2.2rem; padding: 0.4rem 0.6rem; }
  .lightbox__close { font-size: 1.6rem; }
}