/* ============================================
   AÈR — Quiet Luxury Apparel
   Single stylesheet, mobile-first
   ============================================ */

:root {
  --c-charcoal: #1F1F1F;
  --c-ink: #0E0E0E;
  --c-ecru: #EADEC9;
  --c-greige: #8C857B;
  --c-sage: #3E5245;
  --c-off: #FAF7F1;
  --c-line: rgba(31,31,31,.12);
  --c-mute: rgba(31,31,31,.55);

  --f-serif: "Cormorant Garamond", "Noto Serif JP", serif;
  --f-sans: "Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;

  --max: 1320px;
  --gap: clamp(16px, 3vw, 32px);
  --pad-x: clamp(20px, 5vw, 64px);

  --hdr-h: 60px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-charcoal);
  background: var(--c-off);
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity .25s var(--ease);
}
a:hover { opacity: .6; }

h1,h2,h3,h4 {
  font-family: var(--f-serif);
  font-weight: 400;
  letter-spacing: .01em;
  margin: 0 0 .5em;
  line-height: 1.2;
}

h1 { font-size: clamp(36px, 6vw, 72px); }
h2 { font-size: clamp(26px, 4vw, 44px); }
h3 { font-size: clamp(18px, 2.4vw, 24px); }

p { margin: 0 0 1em; }

.serif { font-family: var(--f-serif); }
.muted { color: var(--c-mute); }
.tiny { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
.center { text-align: center; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x); }

/* ============== Header ============== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--hdr-h);
  z-index: 100;
  display: flex; align-items: center;
  padding: 0 var(--pad-x);
  background: transparent;
  transition: background .35s var(--ease), backdrop-filter .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
  color: var(--c-charcoal);
}
.site-header.scrolled,
.site-header.solid {
  background: rgba(250, 247, 241, .82);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom-color: var(--c-line);
}
.site-header.inverse {
  color: var(--c-off);
}
.site-header.inverse.scrolled {
  color: var(--c-charcoal);
}

.brand {
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: .14em;
  font-weight: 500;
}
.brand a { display: inline-block; }

.nav-main {
  margin-left: auto;
  display: flex; gap: 28px;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
@media (max-width: 880px) { .nav-main { display: none; } }

.burger {
  margin-left: auto;
  width: 38px; height: 38px;
  display: none; align-items: center; justify-content: center;
  background: transparent; border: 0; cursor: pointer;
  padding: 0;
  color: inherit;
}
.burger span {
  display: block; width: 22px; height: 1px;
  background: currentColor;
  position: relative;
}
.burger span::before,
.burger span::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 1px;
  background: currentColor;
}
.burger span::before { top: -7px; }
.burger span::after { top: 7px; }
@media (max-width: 880px) { .burger { display: inline-flex; } }

/* drawer */
.drawer {
  position: fixed; inset: 0;
  background: var(--c-off);
  z-index: 200;
  padding: 80px var(--pad-x) 40px;
  transform: translateY(-100%);
  transition: transform .55s var(--ease);
  overflow-y: auto;
}
.drawer.open { transform: translateY(0); }
.drawer .close {
  position: absolute; top: 14px; right: var(--pad-x);
  background: transparent; border: 0; font-size: 28px; cursor: pointer;
  font-family: var(--f-serif);
  color: var(--c-charcoal);
}
.drawer-nav {
  display: flex; flex-direction: column;
  gap: 18px;
  font-family: var(--f-serif);
  font-size: 30px;
  margin-bottom: 40px;
}
.drawer-sub {
  display: flex; flex-direction: column;
  gap: 12px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-mute);
}

/* ============== Hero ============== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  color: var(--c-off);
  overflow: hidden;
}
.hero-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: saturate(.92);
  transform: scale(1.02);
  animation: heroFloat 18s ease-in-out infinite alternate;
}
@keyframes heroFloat {
  from { transform: scale(1.02) translateY(0); }
  to   { transform: scale(1.06) translateY(-1.4%); }
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,.35) 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  margin-top: auto;
  padding: 0 var(--pad-x) clamp(60px, 10vh, 120px);
  width: 100%;
}
.hero-copy {
  max-width: 620px;
}
.hero-copy .eyebrow {
  font-size: 11px; letter-spacing: .26em; text-transform: uppercase;
  margin-bottom: 18px; opacity: .85;
}
.hero-copy h1 {
  font-family: var(--f-serif);
  font-weight: 300;
  font-size: clamp(40px, 7vw, 88px);
  line-height: 1.05;
  margin: 0 0 18px;
}
.hero-copy h1 em {
  font-style: italic;
  display: block;
}
.hero-copy p {
  font-size: 14px;
  max-width: 32em;
  opacity: .9;
}
.hero-meta {
  position: absolute; right: var(--pad-x); bottom: 28px;
  z-index: 2;
  font-size: 10px; letter-spacing: .26em; text-transform: uppercase;
  writing-mode: vertical-rl;
  opacity: .7;
}
@media (max-width: 600px) { .hero-meta { display: none; } }

.btn {
  display: inline-block;
  padding: 14px 26px;
  font-size: 11px; letter-spacing: .26em; text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease);
  margin-top: 22px;
}
.btn:hover { background: currentColor; color: var(--c-off); opacity: 1; }
.btn-dark { color: var(--c-charcoal); }
.btn-dark:hover { background: var(--c-charcoal); color: var(--c-off); }

/* ============== Sections ============== */
section { padding: clamp(72px, 12vh, 140px) 0; }

.section-head {
  text-align: center;
  margin-bottom: clamp(40px, 6vh, 80px);
}
.section-head .eyebrow {
  font-size: 11px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--c-mute);
  margin-bottom: 16px;
}
.section-head h2 {
  font-weight: 300;
  margin: 0 0 14px;
}
.section-head p {
  max-width: 38em;
  margin: 0 auto;
  color: var(--c-mute);
}

/* category tile grid (top) */
.cat-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 880px) {
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
}
.cat-tile {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--c-ecru);
  overflow: hidden;
  display: block;
}
.cat-tile .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 1.1s var(--ease);
}
.cat-tile:hover .bg { transform: scale(1.05); }
.cat-tile .label {
  position: absolute; left: 16px; bottom: 14px;
  z-index: 2;
  color: var(--c-off);
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: .04em;
  text-shadow: 0 1px 8px rgba(0,0,0,.3);
}
.cat-tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.55) 100%);
  z-index: 1;
}

/* product grid */
.prod-grid {
  display: grid;
  gap: var(--gap) 16px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) { .prod-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .prod-grid { grid-template-columns: repeat(4, 1fr); } }
.prod {
  display: block;
}
.prod-img {
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--c-ecru), #DBCEB6 60%, #C9BDA5);
  overflow: hidden;
  margin-bottom: 14px;
  position: relative;
}
.prod-img .swatch {
  position: absolute; inset: 0;
  display: flex; align-items: flex-end; justify-content: center;
  padding: 18px;
  color: var(--c-off);
  font-family: var(--f-serif);
  font-size: 32px;
  letter-spacing: .08em;
  text-shadow: 0 1px 6px rgba(0,0,0,.3);
  background-blend-mode: multiply;
}
.prod-img.tone-1 { background: linear-gradient(160deg, #F2EBDD, #D8C9AE); }
.prod-img.tone-2 { background: linear-gradient(160deg, #C8C2B8, #8C857B); }
.prod-img.tone-3 { background: linear-gradient(160deg, #4E5953, #2E3733); }
.prod-img.tone-4 { background: linear-gradient(160deg, #D1A89A, #9B7A6C); }
.prod-img.tone-5 { background: linear-gradient(160deg, #E8E4DD, #B6B0A3); }
.prod-img.tone-6 { background: linear-gradient(160deg, #313437, #18191B); }
.prod-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s var(--ease);
}
.prod:hover .prod-img img { transform: scale(1.04); }

.prod-name {
  font-size: 13px;
  letter-spacing: .04em;
  margin-bottom: 4px;
}
.prod-meta {
  font-size: 11px; color: var(--c-mute);
  display: flex; justify-content: space-between;
}
.prod-price { letter-spacing: .04em; }

/* category page header */
.cat-head {
  padding: calc(var(--hdr-h) + 60px) 0 40px;
  text-align: center;
}
.cat-head h1 {
  font-weight: 300;
  font-size: clamp(40px, 6vw, 64px);
  margin: 0 0 14px;
}
.cat-head .crumb {
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-mute);
  margin-bottom: 18px;
}
.cat-head p {
  max-width: 36em; margin: 0 auto;
  color: var(--c-mute);
}

/* three-skin grid on /about (1col mobile, 3col desktop) */
.skin-grid { grid-template-columns: 1fr; }
@media (min-width: 720px) { .skin-grid { grid-template-columns: repeat(3, 1fr); } }

/* split section (about / philosophy) */
.split {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 880px) {
  .split { grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 80px); }
  .split.flip > :first-child { order: 2; }
}
.split-img {
  aspect-ratio: 4 / 5;
  background: var(--c-ecru) center/cover no-repeat;
}

/* journal cards */
.journal-list {
  display: grid; gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .journal-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .journal-list { grid-template-columns: repeat(3, 1fr); } }
.journal-card .thumb {
  aspect-ratio: 3/2;
  background: var(--c-ecru) center/cover no-repeat;
  margin-bottom: 18px;
}
.journal-card h3 {
  font-size: 22px;
  margin: 0 0 8px;
  line-height: 1.3;
}
.journal-card .date {
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-mute);
  margin-bottom: 10px;
}

/* lookbook */
.lookbook-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) { .lookbook-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; } }
.lookbook-grid .frame {
  background: var(--c-ecru) center/cover no-repeat;
  position: relative;
}
.lookbook-grid .frame.portrait { aspect-ratio: 3 / 4; }
.lookbook-grid .frame.landscape { aspect-ratio: 4 / 3; }
.lookbook-grid .frame.square { aspect-ratio: 1 / 1; }
.lookbook-grid .frame.tall { aspect-ratio: 2 / 3; }
.lookbook-grid .frame .caption {
  position: absolute; left: 12px; bottom: 10px;
  font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-off);
  text-shadow: 0 1px 6px rgba(0,0,0,.4);
}

/* store list */
.store-list {
  display: grid; gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .store-list { grid-template-columns: repeat(2, 1fr); } }
.store-card { border-top: 1px solid var(--c-line); padding-top: 28px; }
.store-card h3 { font-size: 26px; margin: 0 0 10px; }
.store-card .addr { font-size: 13px; color: var(--c-mute); margin-bottom: 8px; }
.store-card .hours { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--c-mute); }

/* contact form */
.contact-form {
  display: grid; gap: 18px;
  max-width: 540px; margin: 0 auto;
}
.contact-form label {
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-mute);
  margin-bottom: 4px; display: block;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-line);
  font-family: inherit;
  font-size: 15px;
  color: inherit;
  padding: 10px 0;
  border-radius: 0;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--c-charcoal);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .submit {
  justify-self: start;
}

/* marquee strip */
.marquee {
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: 14px 0;
  font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--c-mute);
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-block;
  animation: scroll 40s linear infinite;
}
.marquee span { margin: 0 30px; }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============== Footer ============== */
.site-footer {
  background: var(--c-ink);
  color: #C7C2B8;
  padding: 80px var(--pad-x) 40px;
  margin-top: 0;
}
.site-footer .ft-wrap {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .site-footer .ft-wrap { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.site-footer h4 {
  font-family: var(--f-sans);
  font-size: 11px; letter-spacing: .26em; text-transform: uppercase;
  color: #A8A096;
  margin: 0 0 18px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #C7C2B8; }
.site-footer a:hover { color: #fff; opacity: 1; }
.site-footer .brand-mark {
  font-family: var(--f-serif);
  font-size: 36px;
  letter-spacing: .15em;
  color: #fff;
  margin-bottom: 14px;
}
.site-footer .tagline {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 18px;
  color: #E0DBCF;
  margin-bottom: 18px;
  max-width: 22em;
  line-height: 1.4;
}
.site-footer .legal {
  margin-top: 50px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 22px;
  font-size: 11px; letter-spacing: .14em;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  color: #807969;
  max-width: var(--max);
  margin-left: auto; margin-right: auto;
}

/* reveal on scroll */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.fade-up.in { opacity: 1; transform: none; }

/* utility */
.spacer-lg { height: clamp(80px, 12vh, 160px); }

/* ========== Hero slideshow ========== */
.hero-slideshow { position: relative; overflow: hidden; }
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 1.8s cubic-bezier(.4,.0,.2,1);
  transform: scale(1.04);
  will-change: opacity, transform;
}
.hero-slide.active {
  opacity: 1;
  animation: kenburns 9s ease-out forwards;
}
@keyframes kenburns {
  0%   { transform: scale(1.04) translate3d(0, 0, 0); }
  100% { transform: scale(1.16) translate3d(-1.5%, -1%, 0); }
}
.hero-veil {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(31,31,31,.18) 0%, rgba(31,31,31,.05) 35%, rgba(31,31,31,.55) 100%),
    linear-gradient(90deg, rgba(31,31,31,.35) 0%, rgba(31,31,31,0) 50%);
}
.hero-slideshow .hero-inner { position: relative; z-index: 2; }
.hero-slideshow .hero-meta { z-index: 3; }

/* slideshow dots */
.hero-dots {
  position: absolute; left: 50%; bottom: 36px;
  transform: translateX(-50%);
  display: flex; gap: 14px; z-index: 4;
}
.hero-dot {
  width: 28px; height: 2px; padding: 14px 0;
  background: transparent; border: 0; cursor: pointer;
  position: relative;
}
.hero-dot::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%;
  height: 2px; transform: translateY(-50%);
  background: rgba(250,247,241,.32);
  transition: background .4s, transform .4s;
}
.hero-dot.active::before { background: rgba(250,247,241,.95); transform: translateY(-50%) scaleX(1.4); transform-origin: left; }

/* scroll hint */
.hero-scrollhint {
  position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%);
  width: 1px; height: 56px; overflow: hidden; z-index: 3;
  background: rgba(250,247,241,.18);
}
.hero-scrollhint span {
  display: block; width: 100%; height: 30%;
  background: rgba(250,247,241,.9);
  animation: scrollhint 2.4s cubic-bezier(.55,.05,.45,.95) infinite;
}
@keyframes scrollhint {
  0%   { transform: translateY(-100%); }
  60%  { transform: translateY(220%); }
  100% { transform: translateY(220%); }
}

/* headline reveal */
.headline-mask { display: block; overflow: hidden; line-height: 1; padding-bottom: .06em; }
.headline-line {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 1.1s cubic-bezier(.16,.84,.2,1), opacity 1.1s ease;
  will-change: transform, opacity;
}
.hero.in .headline-line { transform: translateY(0); opacity: 1; }
.hero.in .headline-mask:nth-of-type(2) .headline-line { transition-delay: .16s; }

.reveal-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1s ease, transform 1s cubic-bezier(.2,.7,.2,1);
  transition-delay: 0ms;
}
.hero.in .reveal-up { opacity: 1; transform: none; }

/* ========== Marquee animation ========== */
.marquee { overflow: hidden; }
.marquee-track {
  display: inline-flex; align-items: center; white-space: nowrap;
  animation: marqueeScroll 38s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marqueeScroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ========== Cat tiles zoom on hover ========== */
.cat-tile { overflow: hidden; }
.cat-tile .bg {
  transition: transform 1.4s cubic-bezier(.2,.7,.2,1), filter 1.4s ease;
}
.cat-tile:hover .bg,
.cat-tile:focus-visible .bg { transform: scale(1.08); filter: brightness(.9); }
.cat-tile .label { transition: transform .55s var(--ease), letter-spacing .55s var(--ease); }
.cat-tile:hover .label,
.cat-tile:focus-visible .label { transform: translateY(-4px); letter-spacing: .32em; }

/* ========== Parallax image ========== */
.parallax-img { will-change: transform; transition: none; }

/* ========== fade-up stagger inside grid ========== */
.cat-grid .fade-up:nth-child(2) { transition-delay: .08s; }
.cat-grid .fade-up:nth-child(3) { transition-delay: .16s; }
.cat-grid .fade-up:nth-child(4) { transition-delay: .24s; }
.lookbook-grid .fade-up:nth-child(2) { transition-delay: .12s; }
.lookbook-grid .fade-up:nth-child(3) { transition-delay: .24s; }
.journal-list .fade-up:nth-child(2) { transition-delay: .1s; }
.journal-list .fade-up:nth-child(3) { transition-delay: .2s; }

/* Respect user preference */
@media (prefers-reduced-motion: reduce) {
  .hero-slide.active { animation: none; }
  .marquee-track { animation: none; }
  .hero-scrollhint span { animation: none; }
  .parallax-img { transform: none !important; }
  .fade-up, .reveal-up, .headline-line { transition: none !important; transform: none !important; opacity: 1 !important; }
}

/* skip to content (a11y) */
.skip {
  position: absolute; left: -9999px; top: 0;
}
.skip:focus {
  left: 12px; top: 12px;
  background: var(--c-charcoal); color: var(--c-off);
  padding: 8px 14px; z-index: 999;
}