/* ============================================================
   Michael Barnaart — Brand Website
   Brand palette & tokens (single source of truth)
   ============================================================ */

:root {
  /* Brand colours */
  --color-orange:     #DF7A0D;
  --color-orange-dk:  #b8640a;
  --color-black:      #1D1D1B;
  --color-cream:      #F2EFE4;
  --color-cream-dk:   #E8E3D4;
  --color-blue:       #1E364F;
  --color-purple:     #B9376C;
  --color-red:        #CF4520;
  --color-green:      #397D5C;
  --color-ocher:      #C8922A;
  --color-cinnamon:   #EFAD91;
  --color-salvia:     #A4B3CF;

  /* Typography */
  --font-serif:   'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --font-sans:    'Montserrat', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-ja:      'Noto Serif JP', 'Hiragino Mincho ProN', serif;

  /* Spacing scale */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   7rem;
  --space-2xl: 10rem;

  /* Layout */
  --max-width:  1200px;
  --nav-height:  72px;

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-cream);
  color: var(--color-black);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* ============================================================
   LANGUAGE SWITCHING
   ============================================================ */

body.lang-ja .en { display: none; }
body.lang-en .ja { display: none; }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */

.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
}

.section-heading .ja {
  font-family: var(--font-ja);
  font-weight: 300;
}

.section-desc {
  font-size: 0.95rem;
  line-height: 1.9;
  max-width: 640px;
  color: #4a4a48;
}

.section-desc .ja {
  font-family: var(--font-ja);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header .section-desc {
  margin: 0 auto;
}

/* ============================================================
   CONTAINER
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--ghost {
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn--orange {
  background: var(--color-orange);
  color: #fff;
  border: 1px solid var(--color-orange);
}
.btn--orange:hover {
  background: var(--color-orange-dk);
  border-color: var(--color-orange-dk);
}

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in--delay { transition-delay: 0.15s; }
.fade-in--delay2 { transition-delay: 0.3s; }

/* ============================================================
   NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(242, 239, 228, 0.97);
  box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}

.nav__logo { display: flex; align-items: center; }
.nav__logo-img { height: 36px; width: auto; }

.nav__links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav__links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-black);
  position: relative;
  padding-bottom: 2px;
}

.nav.scrolled .nav__links a { color: var(--color-black); }
.nav:not(.scrolled) .nav__links a { color: rgba(255,255,255,0.9); }

.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--color-orange);
  transition: width var(--transition);
}
.nav__links a:hover::after { width: 100%; }

.nav__lang {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 4px 2px;
  transition: color var(--transition);
}

.nav:not(.scrolled) .lang-btn { color: rgba(255,255,255,0.7); }
.nav.scrolled .lang-btn { color: #888; }
.lang-btn.active,
.nav:not(.scrolled) .lang-btn.active { color: var(--color-orange); }
.nav.scrolled .lang-btn.active { color: var(--color-orange); }
.lang-btn:hover { color: var(--color-orange); }

.lang-divider { color: rgba(255,255,255,0.4); font-size: 0.65rem; }
.nav.scrolled .lang-divider { color: #ccc; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-black);
  transition: all var(--transition);
}
.nav:not(.scrolled) .nav__hamburger span { background: #fff; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(29,29,27,0.35) 0%,
    rgba(29,29,27,0.55) 60%,
    rgba(29,29,27,0.75) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 var(--space-md);
  max-width: 800px;
  animation: heroFadeUp 1s ease 0.3s both;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__label {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

.hero__label .ja {
  font-family: var(--font-sans);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: var(--space-sm);
  color: #fff;
}

.hero__tagline {
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

.hero__tagline .ja {
  font-family: var(--font-ja);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  animation: heroFadeUp 1s ease 1s both;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.5);
  animation: scrollLine 1.8s ease-in-out infinite;
}

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

.hero__scroll-text {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

/* ============================================================
   ABOUT
   ============================================================ */

.about {
  padding: var(--space-xl) 0;
  background: var(--color-cream);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.about__body p {
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
  line-height: 2;
  color: #3a3a38;
}

.about__body p.ja {
  font-family: var(--font-ja);
  font-weight: 300;
}

.about__heritage {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-cream-dk);
}

.about__heritage-item {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: #666;
  padding-left: var(--space-sm);
  border-left: 2px solid var(--color-orange);
}

.about__heritage-item .ja { font-family: var(--font-ja); }

.about__images {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-md));
}

.about__portrait-wrap {
  position: relative;
}

.about__portrait-wrap::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: 12px;
  bottom: 12px;
  border: 1px solid var(--color-orange);
  z-index: 0;
  pointer-events: none;
}

.about__portrait {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
}

.about__editorial {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ============================================================
   COLLECTION
   ============================================================ */

.collection {
  padding: var(--space-xl) 0;
  background: #fff;
}

.collection .section-heading { color: var(--color-black); }
.collection .section-label   { color: var(--color-orange); }
.collection .section-desc    { color: #666; }

.collection__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-cream);
}

.product-card__img-wrap {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-cream);
  position: relative;
}

.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: opacity 0.4s ease, transform 0.6s ease;
}

/* ホバー：ボックス画像あり → フェード切り替え */
.product-card--has-box .product-card__img--box {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
}
.product-card--has-box:hover .product-card__img--main { opacity: 0; }
.product-card--has-box:hover .product-card__img--box  { opacity: 1; }

/* ホバー：ボックス画像なし → 従来のズーム */
.product-card:not(.product-card--has-box):hover .product-card__img {
  transform: scale(1.05);
}

.product-card__info {
  padding: 0.75rem 0.5rem 0.5rem;
}

.product-card__name {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-black);
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-align: center;
}

.product-card__name .ja {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  display: block;
}

/* ============================================================
   STOCKISTS / EVENTS
   ============================================================ */

.stockists {
  padding: var(--space-xl) 0;
  background: var(--color-cream);
}

.stockists__events {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.event-card {
  background: #fff;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.event-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.event-card--past { opacity: 0.65; }

.event-card__img-wrap { overflow: hidden; }

.event-card__placeholder {
  aspect-ratio: 4/3;
  background: var(--color-cream-dk);
  display: flex;
  align-items: center;
  justify-content: center;
}
.event-card__placeholder::after {
  content: 'COMING SOON';
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--color-orange);
}

.event-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.event-card:hover .event-card__img { transform: scale(1.04); }

.event-card__body {
  padding: var(--space-md);
}

.event-card__status {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #aaa;
  border: 1px solid #ddd;
  padding: 3px 10px;
  margin-bottom: var(--space-sm);
}
.event-card__status--upcoming {
  color: var(--color-orange);
  border-color: var(--color-orange);
}

.event-card__date {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-orange);
  margin-bottom: 0.4rem;
}

.event-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}
.event-card__title .ja { font-family: var(--font-ja); font-weight: 300; }

.event-card__place {
  font-size: 0.8rem;
  color: #888;
  letter-spacing: 0.05em;
}
.event-card__place .ja { font-family: var(--font-ja); }

/* ============================================================
   CONTACT
   ============================================================ */

.contact {
  padding: var(--space-xl) 0;
  background: var(--color-blue);
  text-align: center;
}

.contact .section-label   { color: var(--color-orange); }
.contact .section-heading { color: var(--color-cream); }
.contact .section-heading .ja { font-family: var(--font-ja); }

.contact__desc {
  font-size: 0.95rem;
  color: rgba(242,239,228,0.75);
  max-width: 500px;
  margin: 0 auto var(--space-lg);
  line-height: 1.9;
}
.contact__desc .ja { font-family: var(--font-ja); }

.contact__email {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 400;
  color: var(--color-orange);
  letter-spacing: 0.05em;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
  margin-bottom: var(--space-lg);
}

.contact__email:hover {
  border-color: var(--color-orange);
}

.contact__rep {
  font-size: 0.78rem;
  color: rgba(242,239,228,0.5);
  letter-spacing: 0.05em;
}
.contact__rep .ja { font-family: var(--font-ja); }

.contact__rep-link {
  color: rgba(242,239,228,0.5);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.contact__rep-link:hover {
  color: var(--color-orange);
  border-color: var(--color-orange);
}

/* Contact form */
.contact__form {
  max-width: 520px;
  margin: 0 auto var(--space-lg);
  text-align: left;
}

.contact__form-group { margin-bottom: 1.25rem; }

.contact__label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: rgba(242,239,228,0.6);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}
.contact__label .ja {
  font-family: var(--font-ja);
  text-transform: none;
  letter-spacing: 0.05em;
}

.contact__input,
.contact__textarea {
  width: 100%;
  background: rgba(242,239,228,0.07);
  border: 1px solid rgba(242,239,228,0.2);
  border-radius: 2px;
  color: var(--color-cream);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 0.7rem 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  box-sizing: border-box;
}
.contact__input:focus,
.contact__textarea:focus { border-color: var(--color-orange); }

.contact__textarea {
  resize: vertical;
  min-height: 130px;
}

.contact__submit {
  width: 100%;
  margin-top: 0.5rem;
  background: var(--color-orange);
  color: #fff;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  padding: 0.9rem 2rem;
  text-transform: uppercase;
  transition: opacity var(--transition);
}
.contact__submit:hover   { opacity: 0.85; }
.contact__submit:disabled { opacity: 0.5; cursor: not-allowed; }

.contact__form-msg {
  font-size: 0.85rem;
  margin-top: 1rem;
  text-align: center;
  display: none;
}
.contact__form-msg--success { color: #8ecf9f; display: block; }
.contact__form-msg--error   { color: #f4a77a; display: block; }
.contact__form-msg .ja { font-family: var(--font-ja); }

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  padding: var(--space-lg) 0;
  background: var(--color-black);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.footer__logo-img { height: 28px; width: auto; filter: brightness(0) invert(1); opacity: 0.7; }

.footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
}
.footer__copy .ja { font-family: var(--font-ja); }

.footer__domain {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.15em;
}

/* ============================================================
   RESPONSIVE — TABLET  (max 1024px)
   ============================================================ */

@media (max-width: 1024px) {
  .collection__grid { grid-template-columns: repeat(3, 1fr); }

  .about__grid { gap: var(--space-lg); }
}

/* ============================================================
   RESPONSIVE — MOBILE  (max 768px)
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --space-xl:  4rem;
    --space-2xl: 6rem;
  }

  /* Nav */
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(242,239,228,0.98);
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm) 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .nav__links.open { display: flex; }
  .nav__links a {
    padding: 1rem var(--space-md);
    font-size: 0.8rem;
    color: var(--color-black) !important;
  }
  .nav__hamburger { display: flex; }
  .nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__hamburger.open span:nth-child(2) { opacity: 0; }
  .nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  /* About */
  .about__grid { grid-template-columns: 1fr; }
  .about__images { position: static; }
  .about__portrait-wrap::before { display: none; }

  /* Collection */
  .collection__grid { grid-template-columns: repeat(2, 1fr); }
  .product-card__info { opacity: 1; transform: translateY(0); }

  /* Stockists */
  .stockists__events { grid-template-columns: 1fr; }

  /* Contact */
  .contact__inner { padding: 0 var(--space-sm); }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE  (max 480px)
   ============================================================ */

@media (max-width: 480px) {
  .hero__title { font-size: 2.6rem; }
  .collection__grid { grid-template-columns: repeat(2, 1fr); gap: 1px; }
}