/* ═══════════════════════════════════════════════════
   VIEW by KAEL — Concept Project · Style System
═══════════════════════════════════════════════════ */

:root {
  /* Colours */
  --bg:           #F5F3EF;
  --text:         #0E0E0E;
  --text-muted:   #6B6860;
  --dark-bg:      #0A0A0A;
  --dark-text:    #F5F3EF;
  --accent:       #C8A97E;

  /* Typography */
  --ff-display: 'Cormorant Garamond', 'Georgia', serif;
  --ff-ui:      'DM Sans', system-ui, sans-serif;

  /* Spacing scale */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-ui);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  cursor: none;
}
img, video { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ── Nav ─────────────────────────────────────────── */
.kael-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 1000;
  transition: background 0.4s var(--ease-out), border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.kael-nav.scrolled {
  background: rgba(245, 243, 239, 0.88); /* --bg at 88% opacity */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(14, 14, 14, 0.08); /* --text at 8% opacity */
}

.nav__logo {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav__logo em { font-style: italic; font-weight: 300; }

.nav__links {
  display: flex;
  gap: var(--space-md);
}
.nav__link {
  font-family: var(--ff-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.nav__link:hover { opacity: 1; }

/* ── Buttons ─────────────────────────────────────── */
.btn-kael {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: 1px solid currentColor;
  transition: background 0.3s var(--ease-out), color 0.3s;
  cursor: pointer;
}
.btn-kael:hover { background: var(--text); color: var(--bg); }
.btn-kael--light { border-color: var(--dark-text); color: var(--dark-text); }
.btn-kael--light:hover { background: var(--dark-text); color: var(--dark-bg); }
/* Nav-sized button variant (used in .kael-nav) */
.btn-kael--nav { font-size: 0.65rem; padding: 10px 24px; }

/* ── Section label ───────────────────────────────── */
.kael-label {
  display: block;
  font-family: var(--ff-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

/* ── Hero ────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__video-wrap {
  position: absolute;
  inset: 0;
}
.hero__video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.2) 0%,   /* --dark-bg at 20% */
    rgba(10,10,10,0.55) 100% /* --dark-bg at 55% */
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: clamp(2rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 8vw, 7rem);
  color: var(--dark-text);
}
.hero__title {
  font-family: var(--ff-display);
  font-size: clamp(3.5rem, 9vw, 9rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
  color: var(--dark-text);
}
.hero__title em { font-style: italic; }
.hero__cta { margin-top: var(--space-md); }

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: clamp(1.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(245,243,239,0.5); /* --dark-text at 50% */
  font-family: var(--ff-ui);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: currentColor;
  animation: scroll-line 1.8s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scroll-line {
  0%, 100% { transform: scaleY(0); opacity: 0; }
  50%       { transform: scaleY(1); opacity: 1; }
}

/* ── Scrubbing Section ───────────────────────────── */
.scrub-section { position: relative; }

.scrub-pin {
  position: relative;
  height: 300vh;
}

.scrub-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-bg); /* Dark fallback while video loads */
}

.scrub-video {
  width: 100%; height: 100%;
  object-fit: cover;
}

.scrub-label {
  position: absolute;
  bottom: clamp(2rem, 5vw, 4rem);
  left: clamp(1.5rem, 5vw, 4rem);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s, transform 0.6s;
}
.scrub-label.is-visible { opacity: 1; transform: translateY(0); }
.scrub-label__text {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.05em;
}

/* ── Split Reveal ────────────────────────────────── */
.split-reveal {
  position: relative;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.split-reveal__panel {
  position: relative;
  overflow: hidden;
}
.split-reveal__panel img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.split-reveal__panel--left  { clip-path: inset(0 100% 0 0); }
.split-reveal__panel--right { clip-path: inset(0 0 0 100%); }

.split-reveal__text {
  position: absolute;
  bottom: clamp(2rem, 5vw, 4rem);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--dark-text);
  opacity: 0;
  z-index: 10;
  white-space: nowrap;
}
.split-reveal__title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1;
  margin-bottom: var(--space-md);
}
.split-reveal__title em { font-style: italic; }

/* ── Dark Feature ────────────────────────────────── */
.dark-feature {
  position: relative;
  min-height: 100vh;
  background: var(--dark-bg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}
.dark-feature__image {
  position: relative;
  overflow: hidden;
}
.dark-feature__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(15%);
  transition: filter 0.6s;
}
.dark-feature:hover .dark-feature__image img { filter: grayscale(0%); }
.dark-feature__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 8vw, 7rem);
  color: var(--dark-text);
}
.dark-feature__title {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 300;
  line-height: 0.9;
  margin-bottom: var(--space-md);
}
.dark-feature__material {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,243,239,0.45); /* --dark-text at 45% */
  margin-bottom: var(--space-lg);
}

/* ── Preview Strip ───────────────────────────────── */
.preview-strip {
  padding: clamp(4rem, 10vw, 10rem) clamp(1.5rem, 5vw, 4rem);
}
.preview-strip__header {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.preview-strip__title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1;
}
.preview-strip__title em { font-style: italic; }
.preview-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.preview-card { cursor: pointer; }
.preview-card__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #E8E4DE;
  margin-bottom: 1rem;
}
.preview-card__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease, transform 0.5s var(--ease-out);
}
.preview-card__img--alt { opacity: 0; }
.preview-card:hover .preview-card__img--primary { opacity: 0; transform: scale(1.03); }
.preview-card:hover .preview-card__img--alt     { opacity: 1; }
.preview-card__info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.preview-card__name {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 400;
}
.preview-card__material {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.preview-strip__cta { text-align: center; padding-top: clamp(1rem, 3vw, 2rem); }

/* ── Footer ──────────────────────────────────────── */
.kael-footer {
  padding: clamp(3rem, 8vw, 7rem) clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(14,14,14,0.1); /* --text at 10% */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}
.kael-footer__manifesto {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
}
.kael-footer__manifesto em { font-style: italic; }
.kael-footer__bottom {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Lens Cursor (CSS-based) ─────────────────────── */
.lens-cursor {
  position: fixed;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%) scale(0.3);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
  border: 1px solid rgba(14,14,14,0.15); /* --text at 15% */
  backdrop-filter: invert(5%) contrast(1.05);
  -webkit-backdrop-filter: invert(5%) contrast(1.05);
  background: radial-gradient(circle, rgba(200,169,126,0.08) 0%, transparent 70%);
}
.lens-cursor.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.lens-cursor.is-dark {
  border-color: rgba(245,243,239,0.2); /* --dark-text at 20% */
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  body { cursor: auto; }
  .lens-cursor { display: none; }
  .dark-feature { grid-template-columns: 1fr; min-height: auto; }
  .dark-feature__image { height: 60vw; }
  .dark-feature__content { padding: var(--space-lg) var(--space-md); }
  .split-reveal { grid-template-columns: 1fr; height: auto; }
  .split-reveal__panel { height: 50vw; }
  .preview-strip__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .nav__links { display: none; }
  .nav__logo { font-size: 1rem; }
  .preview-strip__grid { grid-template-columns: 1fr; }
  .scrub-pin { height: 100vh; } /* touch fallback: just the autoplay video, no scroll space needed */
  .split-reveal__text { white-space: normal; left: var(--space-md); right: var(--space-md); transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__scroll-line { animation: none; }
}

/* ── Collection Page ─────────────────────────────── */
.cursor-text { cursor: auto; }
.cursor-text .lens-cursor { display: none; }

.coll-hero {
  padding-top: 120px;
  padding-bottom: clamp(2rem, 5vw, 4rem);
  padding-left: clamp(1.5rem, 5vw, 4rem);
  padding-right: clamp(1.5rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(14,14,14,0.08); /* --text at 8% */
}
.coll-hero__title {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 300;
  line-height: 0.9;
  margin-bottom: var(--space-sm);
}
.coll-hero__sub {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.coll-filter {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) clamp(1.5rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(14,14,14,0.08); /* --text at 8% */
}
.coll-filter__btn {
  font-family: var(--ff-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 20px;
  border: 1px solid rgba(14,14,14,0.2); /* --text at 20% */
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.coll-filter__btn.is-active,
.coll-filter__btn:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.coll-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
/* outline instead of background-gap trick — hidden cards leave no artifact */
.coll-card { background: var(--bg); outline: 1px solid rgba(14,14,14,0.08); }
.coll-card__link { display: block; }
.coll-card.is-hidden { display: none; }

.coll-card__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #EDEAE4;
}
.coll-card__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.6s ease, transform 0.6s var(--ease-out);
}
.coll-card__img--alt { opacity: 0; }
.coll-card:hover .coll-card__img--primary { opacity: 0; transform: scale(1.03); }
.coll-card:hover .coll-card__img--alt     { opacity: 1; transform: scale(1.03); }

.coll-card__info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem clamp(1rem, 3vw, 1.5rem);
}
.coll-card__name {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}
.coll-card__meta {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.coll-card__price {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 300;
  white-space: nowrap;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .coll-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .coll-grid { grid-template-columns: 1fr; }
  .coll-filter { flex-wrap: wrap; }
}