:root {
  --ink: #0b0b0b;
  --ink-soft: #171614;
  --cream: #f4efe5;
  --cream-deep: #e6ddcd;
  --gold: #c8a56a;
  --gold-light: #e4c68e;
  --line-dark: rgba(244, 239, 229, 0.16);
  --line-light: rgba(11, 11, 11, 0.14);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --max: 1240px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::selection { background: var(--gold); color: var(--ink); }

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 999;
  padding: 12px 16px;
  color: var(--ink);
  background: var(--cream);
  border-radius: 999px;
}

.skip-link:focus { top: 20px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  color: var(--cream);
  background: linear-gradient(to bottom, rgba(8,8,8,.92), rgba(8,8,8,.62) 70%, transparent);
  transition: background .35s ease, backdrop-filter .35s ease;
}

.site-header.scrolled {
  background: rgba(8, 8, 8, .9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-dark);
}

.nav-wrap {
  width: min(calc(100% - 40px), var(--max));
  height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: .28em;
  font-size: 18px;
  font-weight: 650;
}

.brand-mark {
  width: 28px;
  height: 28px;
  position: relative;
  border: 1px solid var(--gold);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
}

.brand-mark::before { width: 1px; height: 36px; left: 13px; top: -5px; transform: rotate(45deg); }
.brand-mark::after { width: 5px; height: 5px; border-radius: 50%; right: 3px; top: 3px; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 13px; color: rgba(244,239,229,.74); transition: color .2s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--gold-light); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.language-switch {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}

.language-switch button {
  border: 0;
  padding: 7px 9px;
  border-radius: 999px;
  color: rgba(244,239,229,.6);
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: .06em;
}

.language-switch button.active { color: var(--ink); background: var(--gold-light); }

.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--cream);
  background: transparent;
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  content: "";
  display: block;
  width: 16px;
  height: 1px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  min-height: 100svh;
  position: relative;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--cream);
  background: var(--ink);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3,3,3,.92) 0%, rgba(3,3,3,.63) 37%, rgba(3,3,3,.05) 70%),
              linear-gradient(0deg, rgba(3,3,3,.72) 0%, transparent 45%),
              url("assets/lumi-hero.png") center/cover no-repeat;
  transform: scale(1.015);
  animation: heroIn 1.5s cubic-bezier(.2,.7,.2,1) both;
}

@keyframes heroIn { from { transform: scale(1.07); opacity: .5; } to { transform: scale(1.015); opacity: 1; } }

.hero-content {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 180px 0 86px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--gold-light);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }

.hero h1,
.page-hero h1,
.display-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(56px, 9vw, 132px);
  font-weight: 400;
  line-height: .86;
  letter-spacing: -.055em;
}

.hero h1 span { color: var(--gold-light); font-style: italic; }

.hero-copy {
  max-width: 590px;
  margin: 34px 0 0;
  color: rgba(244,239,229,.76);
  font-size: clamp(16px, 1.5vw, 21px);
  line-height: 1.6;
}

.hero-actions { display: flex; align-items: center; gap: 18px; margin-top: 36px; flex-wrap: wrap; }

.button {
  min-height: 48px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--ink);
  background: var(--gold-light);
  cursor: pointer;
  font-size: 13px;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.button:hover { transform: translateY(-2px); background: var(--cream); }
.button.ghost { color: var(--cream); background: transparent; border-color: rgba(244,239,229,.35); }
.button.ghost:hover { color: var(--ink); background: var(--cream); }
.button.dark { color: var(--cream); background: var(--ink); border-color: var(--ink); }
.button.dark:hover { color: var(--ink); background: var(--gold-light); border-color: var(--gold-light); }
.button svg { width: 16px; height: 16px; }

.hero-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 70px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
  color: rgba(244,239,229,.5);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section { padding: 120px 0; }
.section.dark { color: var(--cream); background: var(--ink); }
.section.sand { background: var(--cream-deep); }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(280px, 1.2fr);
  gap: 80px;
  align-items: end;
  margin-bottom: 64px;
}

.section-kicker { margin: 0; color: #8c6c39; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }
.dark .section-kicker { color: var(--gold-light); }

.section-head h2,
.split-copy h2,
.cta-panel h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 82px);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.045em;
}

.section-head p,
.split-copy p,
.lead {
  margin: 0;
  color: #575149;
  font-size: 17px;
  line-height: 1.75;
}

.dark .section-head p,
.dark .lead { color: rgba(244,239,229,.62); }

.manifesto {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 9vw;
  align-items: center;
}

.wordmark-stage {
  min-height: 540px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--cream);
  background: radial-gradient(circle at 70% 25%, rgba(200,165,106,.22), transparent 35%), var(--ink-soft);
  box-shadow: var(--shadow);
}

.wordmark-stage::before,
.wordmark-stage::after { content: ""; position: absolute; border: 1px solid rgba(200,165,106,.26); border-radius: 50%; }
.wordmark-stage::before { width: 350px; height: 350px; }
.wordmark-stage::after { width: 510px; height: 510px; }
.wordmark-stage strong { position: relative; z-index: 1; font-size: clamp(52px, 7vw, 98px); letter-spacing: .26em; transform: translateX(.13em); }
.wordmark-stage small { position: absolute; bottom: 32px; color: var(--gold-light); font-size: 18px; }

.split-copy h2 { margin: 0 0 28px; }
.split-copy p + p { margin-top: 20px; }
.split-copy .button { margin-top: 34px; }

.concept-frame {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: #d5c4a7;
  box-shadow: var(--shadow);
}

.concept-frame img { width: 100%; min-height: 520px; object-fit: cover; transition: transform .7s ease; }
.concept-frame:hover img { transform: scale(1.02); }
.concept-note {
  position: absolute;
  inset: auto 24px 24px auto;
  max-width: 310px;
  padding: 16px 18px;
  color: var(--cream);
  background: rgba(11,11,11,.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-dark);
  font-size: 12px;
  line-height: 1.6;
}

.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.category-card { min-height: 310px; padding: 34px 26px; border-right: 1px solid var(--line-dark); transition: background .25s ease; }
.category-card:last-child { border-right: 0; }
.category-card:hover { background: rgba(255,255,255,.035); }
.category-number { color: var(--gold); font: italic 30px var(--serif); }
.category-card h3 { margin: 92px 0 12px; font: 400 28px var(--serif); }
.category-card p { margin: 0; color: rgba(244,239,229,.52); font-size: 14px; line-height: 1.65; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pillar { min-height: 300px; padding: 32px; border: 1px solid var(--line-light); background: rgba(255,255,255,.22); }
.pillar-icon { width: 44px; height: 44px; color: #8c6c39; }
.pillar h3 { margin: 82px 0 12px; font: 400 28px var(--serif); }
.pillar p { margin: 0; color: #665f55; font-size: 14px; line-height: 1.7; }

.cta-panel {
  padding: 70px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  color: var(--cream);
  background: radial-gradient(circle at 90% 15%, rgba(200,165,106,.24), transparent 30%), var(--ink);
}
.cta-panel h2 { max-width: 800px; }

.page-hero {
  min-height: 70svh;
  padding: 190px 0 84px;
  display: grid;
  align-items: end;
  color: var(--cream);
  background: radial-gradient(circle at 80% 20%, rgba(200,165,106,.2), transparent 30%), var(--ink);
}

.page-hero h1 { max-width: 980px; font-size: clamp(58px, 9vw, 124px); }
.page-hero .lead { max-width: 680px; margin-top: 28px; }
.page-meta { margin-top: 48px; display: flex; gap: 12px; flex-wrap: wrap; }
.meta-pill { padding: 9px 12px; border: 1px solid var(--line-dark); border-radius: 999px; color: rgba(244,239,229,.58); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; }

.product-showcase { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: stretch; }
.product-image { min-height: 650px; background: #d7c7aa; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-intro { padding: 58px; display: flex; flex-direction: column; justify-content: space-between; color: var(--cream); background: var(--ink-soft); }
.product-intro h2 { margin: 0; font: 400 clamp(42px, 5vw, 68px)/1 var(--serif); }
.product-intro p { color: rgba(244,239,229,.62); line-height: 1.75; }
.status-box { padding: 20px; border: 1px solid rgba(200,165,106,.32); color: var(--gold-light); font-size: 13px; line-height: 1.6; }

.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 64px; }
.product-card { min-height: 360px; padding: 34px; display: flex; flex-direction: column; border: 1px solid var(--line-light); background: rgba(255,255,255,.26); }
.product-icon { width: 72px; height: 72px; color: #977441; }
.product-card h3 { margin: auto 0 12px; font: 400 32px var(--serif); }
.product-card p { margin: 0; color: #655e54; line-height: 1.65; }
.product-card .tag { align-self: flex-start; margin-top: 20px; padding: 7px 9px; color: #72562c; background: rgba(200,165,106,.16); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.quote { max-width: 1000px; margin: 0 auto; text-align: center; }
.quote blockquote { margin: 0; font: 400 clamp(44px, 7vw, 88px)/1.05 var(--serif); letter-spacing: -.045em; }
.quote cite { display: block; margin-top: 28px; color: var(--gold); font-style: normal; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }

.timeline { border-top: 1px solid var(--line-dark); }
.timeline-item { display: grid; grid-template-columns: 180px 1fr 1fr; gap: 40px; padding: 38px 0; border-bottom: 1px solid var(--line-dark); }
.timeline-item .phase { color: var(--gold-light); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.timeline-item h3 { margin: 0; font: 400 34px var(--serif); }
.timeline-item p { margin: 0; color: rgba(244,239,229,.58); line-height: 1.7; }

.detail-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; border-top: 1px solid var(--line-light); }
.detail-row { padding: 28px 0; display: flex; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line-light); }
.detail-row span { color: #6d655b; }
.detail-row strong { font-weight: 500; text-align: right; }

.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.contact-copy h2 { margin: 0 0 22px; font: 400 48px/1.05 var(--serif); }
.contact-copy p { color: #615a51; line-height: 1.75; }
.notice { margin-top: 30px; padding: 18px; border-left: 2px solid var(--gold); background: rgba(200,165,106,.1); color: #655b4d; font-size: 13px; line-height: 1.65; }

.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 9px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.field input, .field textarea {
  width: 100%;
  padding: 15px 0;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  outline: none;
  color: var(--ink);
  background: transparent;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { border-bottom-color: var(--gold); }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-status { color: #72562c; font-size: 13px; }

.policy { max-width: 900px; }
.policy .intro { margin-bottom: 60px; color: #5f574d; font-size: 18px; line-height: 1.75; }
.policy details { border-top: 1px solid var(--line-light); }
.policy details:last-child { border-bottom: 1px solid var(--line-light); }
.policy summary { list-style: none; padding: 28px 42px 28px 0; cursor: pointer; position: relative; font: 400 26px var(--serif); }
.policy summary::-webkit-details-marker { display: none; }
.policy summary::after { content: "+"; position: absolute; right: 4px; top: 25px; color: #8c6c39; }
.policy details[open] summary::after { content: "−"; }
.policy details p { margin: 0; padding: 0 50px 30px 0; color: #625b52; line-height: 1.75; }

.site-footer { padding: 72px 0 32px; color: var(--cream); background: #070707; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-bottom: 60px; }
.footer-brand .brand { font-size: 28px; }
.footer-brand p { max-width: 430px; margin: 22px 0 0; color: rgba(244,239,229,.52); line-height: 1.7; }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.footer-nav div { display: grid; align-content: start; gap: 14px; }
.footer-nav strong { margin-bottom: 6px; color: var(--gold-light); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.footer-nav a, .footer-nav span { color: rgba(244,239,229,.58); font-size: 14px; }
.footer-nav a:hover { color: var(--cream); }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line-dark); color: rgba(244,239,229,.35); font-size: 11px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

[dir="rtl"] body { font-family: Tahoma, Arial, sans-serif; }
[dir="rtl"] .hero h1, [dir="rtl"] .page-hero h1, [dir="rtl"] .section-head h2, [dir="rtl"] .split-copy h2, [dir="rtl"] .cta-panel h2,
[dir="rtl"] .product-intro h2, [dir="rtl"] .product-card h3, [dir="rtl"] .contact-copy h2, [dir="rtl"] .timeline-item h3,
[dir="rtl"] .policy summary, [dir="rtl"] .quote blockquote { font-family: Tahoma, Arial, sans-serif; letter-spacing: -.02em; }
[dir="rtl"] .brand { letter-spacing: .12em; }
[dir="rtl"] .eyebrow::before { order: 2; }
[dir="rtl"] .detail-row strong { text-align: left; }
[dir="rtl"] .policy summary { padding: 28px 0 28px 42px; }
[dir="rtl"] .policy summary::after { left: 4px; right: auto; }
[dir="rtl"] .policy details p { padding: 0 0 30px 50px; }
[dir="rtl"] .notice { border-left: 0; border-right: 2px solid var(--gold); }

@media (max-width: 980px) {
  .nav-links { position: fixed; inset: 86px 0 auto; padding: 28px 20px 36px; display: none; flex-direction: column; align-items: flex-start; gap: 20px; background: rgba(8,8,8,.97); border-bottom: 1px solid var(--line-dark); }
  .nav-links.open { display: flex; }
  .menu-button { display: block; }
  .section-head, .manifesto, .product-showcase, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card:nth-child(2) { border-right: 0; }
  .category-card:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .pillars { grid-template-columns: 1fr; }
  .pillar { min-height: 240px; }
  .pillar h3 { margin-top: 50px; }
  .timeline-item { grid-template-columns: 130px 1fr; }
  .timeline-item p { grid-column: 2; }
  .footer-top { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 680px) {
  .nav-wrap { width: min(calc(100% - 28px), var(--max)); height: 76px; }
  .brand { font-size: 15px; }
  .brand-mark { width: 24px; height: 24px; }
  .brand-mark::before { height: 31px; left: 11px; }
  .language-switch button { padding: 6px 7px; }
  .hero-content, .container { width: min(calc(100% - 28px), var(--max)); }
  .hero::before { background: linear-gradient(0deg, rgba(3,3,3,.9) 0%, rgba(3,3,3,.38) 70%), url("assets/lumi-hero.png") 68% center/cover no-repeat; }
  .hero-content { padding-bottom: 34px; }
  .hero h1 { font-size: clamp(52px, 18vw, 82px); line-height: .92; }
  .hero-foot { align-items: flex-start; flex-direction: column; margin-top: 50px; }
  .section { padding: 84px 0; }
  .section-head { margin-bottom: 42px; }
  .wordmark-stage { min-height: 380px; }
  .wordmark-stage::before { width: 260px; height: 260px; }
  .wordmark-stage::after { width: 360px; height: 360px; }
  .concept-frame img { min-height: 410px; }
  .concept-note { inset: auto 12px 12px 12px; max-width: none; }
  .category-grid, .product-grid, .detail-list { grid-template-columns: 1fr; }
  .category-card { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .category-card:last-child { border-bottom: 0; }
  .category-card h3 { margin-top: 60px; }
  .cta-panel { padding: 38px 28px; grid-template-columns: 1fr; }
  .page-hero { min-height: 60svh; padding: 150px 0 60px; }
  .product-image { min-height: 390px; }
  .product-intro { padding: 34px; }
  .timeline-item { grid-template-columns: 1fr; gap: 14px; }
  .timeline-item p { grid-column: auto; }
  .contact-form { grid-template-columns: 1fr; }
  .field { grid-column: 1 / -1; }
  .footer-nav { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}