/* Microphoton Momentum — company homepage
   Quiet luxury: charcoal, cream, thin gold. Mobile-first. */

:root {
  --bg: #f4efe6;
  --bg-elev: #fffcf7;
  --bg-soft: #ebe4d8;
  --cream: #1c1b18;
  --cream-dim: #5c574e;
  --cream-mute: #7a746c;
  --gold: #b8924e;
  --gold-soft: rgba(184, 146, 78, 0.45);
  --gold-faint: rgba(184, 146, 78, 0.14);
  --line: rgba(28, 27, 24, 0.1);
  --dark: #243044;
  --on-dark: #f6f1e8;
  --serif: "Cormorant Garamond", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Hiragino Sans", "Noto Sans SC", "Noto Sans JP", "Yu Gothic UI", "Helvetica Neue", Arial, sans-serif;
  --max: 68rem;
  --header-h: 5.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

html[lang="en"] .serif-en {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.01em;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--cream);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--cream);
}

:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 3px;
}

::selection {
  background: rgba(196, 165, 116, 0.28);
  color: var(--cream);
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 100;
  padding: 0.45rem 0.8rem;
  background: var(--bg-elev);
  color: var(--cream);
  border: 1px solid var(--gold);
  border-radius: 999px;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

/* —— Header —— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 239, 230, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 1.05rem 0 0.95rem;
}

.brand {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4.6vw, 2.55rem);
  font-weight: 500;
  letter-spacing: 0.012em;
  line-height: 1.08;
  color: var(--cream);
  text-decoration: none;
  flex: 1 1 auto;
  min-width: min(100%, 12rem);
}

.brand:hover {
  color: var(--cream);
}

.brand-mark {
  display: inline-block;
  width: 0.42em;
  height: 0.42em;
  margin-right: 0.38em;
  vertical-align: 0.08em;
  border: 1px solid var(--gold);
  border-radius: 50%;
  box-shadow: inset -0.12em -0.08em 0 -0.04em var(--gold);
}

.nav-capsule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.1rem;
  padding: 0.22rem;
  border: 1px solid var(--gold-soft);
  border-radius: 999px;
}

.nav-capsule a {
  display: inline-block;
  padding: 0.42rem 0.75rem;
  color: var(--cream-dim);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-decoration: none;
  border-radius: 999px;
}

.nav-capsule a:hover {
  color: var(--cream);
}

.nav-capsule a.is-active {
  color: var(--cream);
  background: var(--gold-faint);
}

/* —— Language dropdown —— */

.lang {
  position: relative;
  margin-left: auto;
  flex: 0 0 auto;
}

.lang-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  min-height: 2.15rem;
  padding: 0.28rem 0.7rem 0.28rem 0.8rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: transparent;
  color: var(--cream-dim);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.lang-toggle:hover {
  color: var(--cream);
  background: var(--gold-faint);
}

.lang.is-open .lang-toggle {
  color: var(--cream);
  background: var(--gold-faint);
}

.lang-caret {
  display: block;
  width: 0.38rem;
  height: 0.38rem;
  margin-top: -0.12rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
}

.lang.is-open .lang-caret {
  margin-top: 0.18rem;
  transform: rotate(-135deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  z-index: 60;
  display: flex;
  flex-direction: column;
  min-width: 9.5rem;
  padding: 0.28rem;
  border: 1px solid var(--gold);
  border-radius: 0.7rem;
  background: var(--bg-elev);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.lang-menu[hidden] {
  display: none;
}

.lang-menu [role="option"] {
  appearance: none;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0.7rem;
  border: 0;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--cream-dim);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-align: left;
  cursor: pointer;
}

.lang-menu [role="option"]:hover,
.lang-menu [role="option"]:focus {
  color: var(--cream);
  background: var(--gold-faint);
  outline: none;
}

.lang-menu [role="option"][aria-selected="true"] {
  color: var(--cream);
}

/* —— Hero —— */

.hero {
  padding: 3.4rem 0 3.1rem;
  border-bottom: 1px solid var(--line);
}

.hero-kicker {
  margin: 0 0 1.1rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.35rem, 8vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--cream);
}

.hero-rule {
  width: 3.25rem;
  height: 1px;
  margin: 1.45rem 0 1.35rem;
  background: var(--gold);
  border: 0;
}

.hero-pitch {
  margin: 0;
  max-width: 34rem;
  color: var(--cream-dim);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.55;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.85rem;
}

/* —— Sections —— */

.section {
  padding: 3.4rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
}

.section-label {
  margin: 0 0 0.45rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.55rem, 3.4vw, 2.05rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.lead {
  margin: 0 0 2rem;
  max-width: 38rem;
  color: var(--cream-dim);
}

/* —— Product —— */

.product {
  background: var(--bg);
}

.product-tile {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--gold-soft);
  border-radius: 1.05rem;
  background: var(--dark);
  text-decoration: none;
  color: var(--on-dark);
}

.product-tile:hover {
  color: var(--on-dark);
  border-color: var(--gold);
}

.product-visual {
  margin: 0;
  background: #1a2230;
}

.product-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-copy {
  padding: 1.35rem 1.25rem 1.5rem;
}

.product-name {
  margin: 0 0 0.45rem;
  font-family: var(--serif);
  font-size: clamp(2.15rem, 6.4vw, 3.55rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--on-dark);
}

.product-tag {
  margin: 0 0 1.05rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.product-body {
  margin: 0;
  max-width: 38rem;
  color: var(--cream-dim);
  font-size: 1.05rem;
}

/* —— Services (secondary to product) —— */

.services {
  padding: 2.6rem 0 2.7rem;
}

.services h2 {
  font-size: clamp(1.28rem, 2.6vw, 1.6rem);
  font-weight: 600;
}

.services .lead {
  margin-bottom: 1.35rem;
  font-size: 0.95rem;
}

.cards {
  display: grid;
  gap: 0.65rem;
}

.card {
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: transparent;
}

.card-index {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.card p {
  margin: 0;
  color: var(--cream-mute);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* —— Tiers / shop strip —— */

.tiers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 1.5rem;
}

.tier {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.8rem;
  border: 1px solid var(--gold-soft);
  border-radius: 999px;
  color: var(--cream);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.tier span {
  color: var(--cream-mute);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.shop-strip {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.shop-strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
}

.shop-strip-inner p {
  margin: 0;
  flex: 1 1 16rem;
  max-width: 40rem;
  color: var(--cream-mute);
  font-size: 0.88rem;
}

.shop-strip .btn {
  min-height: 2.35rem;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

/* —— Buttons —— */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.7rem;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-primary {
  border: 1px solid var(--gold);
  background: var(--gold);
  color: #1a1610;
}

.btn-primary:hover {
  background: #fff;
  border-color: var(--gold);
  color: #1a1610;
}

.btn-ghost {
  border: 1px solid var(--gold-soft);
  background: transparent;
  color: var(--cream);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--cream);
  background: var(--gold-faint);
}

.btn .arrow {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15em;
  line-height: 1;
}

/* —— Contact —— */

.contact-list {
  display: grid;
  gap: 1.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list dt {
  margin: 0 0 0.2rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.contact-list dd {
  margin: 0;
  color: var(--cream);
}

.contact-list a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-soft);
}

.contact-list a:hover {
  border-bottom-color: var(--gold);
}

.addr {
  max-width: 28rem;
}

/* —— Footer —— */

.site-footer {
  background: var(--dark);
  color: var(--on-dark);
  padding: 1.6rem 0 2.2rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.legal {
  margin: 0;
  color: rgba(246, 241, 232, 0.82);
  font-size: 0.92rem;
}

.copy {
  margin: 0;
  color: rgba(246, 241, 232, 0.55);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  margin-top: 0.35rem;
}

.footer-links a {
  color: var(--cream-dim);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold-soft);
}

/* —— Layout from 720px —— */

@media (min-width: 720px) {
  .wrap {
    width: min(var(--max), calc(100% - 3.5rem));
  }

  .header-inner {
    flex-wrap: nowrap;
    align-items: center;
    gap: 1.25rem;
    padding: 1.15rem 0;
  }

  .brand {
    flex: 0 1 auto;
    min-width: 0;
  }

  .nav-capsule {
    flex: 1 1 auto;
    justify-content: center;
  }

  .lang {
    margin-left: 0;
  }

  .hero {
    padding: 5.2rem 0 4.6rem;
  }

  .section {
    padding: 4.2rem 0 4.4rem;
  }

  .product-tile {
    grid-template-columns: 1.15fr 0.9fr;
    align-items: stretch;
  }

  .product-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.8rem 1.8rem 1.9rem;
  }

  .services {
    padding: 3.1rem 0 3.2rem;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }

  .shop-strip {
    padding: 1.35rem 0;
  }

  .contact-list {
    grid-template-columns: 1fr 1.4fr;
    gap: 1.5rem 2.5rem;
  }

  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }
}