/* ====================================================================
   ION MODEL — shared landing-page stylesheet (all language variants)
==================================================================== */

/* RESET & BOX MODEL */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* DESIGN TOKENS */
:root {
  --c-bg:      #0c0e11;
  --c-surface: #111418;
  --c-card:    #161a1f;
  --c-border:  #242a31;
  --c-dim:     #3a424b;
  --c-muted:   #8a929c;
  --c-white:   #f4f6f8;
  --c-gold:    #c9a96e;
  --c-gold-lt: #ddc089;
  --c-steel:   #6f7d8c;

  --ff: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --fs-1: clamp(2.6rem, 6vw, 5rem);
  --fs-2: clamp(1.9rem, 4vw, 3.1rem);
  --fs-3: 1.5rem;
  --fs-4: 1.25rem;
  --fs-5: 1.125rem;
  --fs-6: 1rem;

  --sp-1:  0.5rem;
  --sp-2:  1rem;
  --sp-3:  1.5rem;
  --sp-4:  2rem;
  --sp-6:  3rem;
  --sp-8:  4rem;
  --sp-12: 6rem;
  --sp-16: 8rem;

  --max-w: 1280px;
  --hdr-h: 92px;
}

/* BASE */
html { scroll-behavior: smooth; }

body {
  font-family: var(--ff);
  background-color: var(--c-bg);
  color: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* LAYOUT UTILITIES */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

/* EYEBROW */
.eyebrow {
  display: block;
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: var(--sp-2);
}

/* SECTION HEADING BLOCK */
.section-head { margin-bottom: var(--sp-8); max-width: 64ch; }
.section-head h2 {
  font-size: var(--fs-2);
  font-weight: 900;
  letter-spacing: -0.028em;
  line-height: 1.04;
}
.section-head p {
  margin-top: var(--sp-2);
  font-size: var(--fs-4);
  color: var(--c-muted);
  line-height: 1.8;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem 2.1rem;
  font-family: var(--ff);
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-primary {
  background: var(--c-gold);
  color: #0a0a0a;
  box-shadow: 0 8px 30px -10px rgba(201, 169, 110, 0.6);
}
.btn-primary:hover {
  background: var(--c-gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 14px 38px -12px rgba(201, 169, 110, 0.7);
}
.btn-outline {
  background: transparent;
  color: var(--c-white);
  border: 1.5px solid rgba(244, 246, 248, 0.32);
}
.btn-outline:hover {
  background: var(--c-white);
  color: var(--c-bg);
  border-color: var(--c-white);
}
.btn-lg { padding: 1.15rem 2.6rem; font-size: var(--fs-6); }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--hdr-h);
  background: rgba(12, 14, 17, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--c-border);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--sp-4);
  position: relative;
}
.logo-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  line-height: 0;
}
.logo-link img { height: 27px; width: auto; }

/* Hamburger — pure-CSS checkbox hack */
.menu-toggle { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.menu-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  cursor: pointer;
  flex-shrink: 0;
  padding: 5px;
}
.b-bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--c-white);
  transform-origin: center;
  transition: transform 0.26s ease, opacity 0.2s ease;
}
.menu-toggle:checked ~ .menu-burger .b-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle:checked ~ .menu-burger .b-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle:checked ~ .menu-burger .b-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Primary navigation */
.primary-nav { margin-inline-start: auto; }
.nav-links { display: flex; align-items: center; gap: 0.15rem; }
.nav-links a {
  display: block;
  padding: 0.5rem 0.95rem;
  font-size: var(--fs-6);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--c-white); }
.nav-store {
  margin-left: var(--sp-2);
  padding: 0.6rem 1.3rem !important;
  color: #0a0a0a !important;
  background: var(--c-gold);
  letter-spacing: 0.12em;
  transition: background 0.2s, transform 0.15s;
}
.nav-store:hover { background: var(--c-gold-lt); transform: translateY(-1px); }

/* ====================================================================
   LANGUAGE SELECTOR — native <details>, zero JS
==================================================================== */
.lang-select { position: relative; flex-shrink: 0; }
.lang-select summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  font-size: var(--fs-6);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.lang-select summary::-webkit-details-marker { display: none; }
.lang-select summary:hover { color: var(--c-white); border-color: var(--c-gold); }
.lang-select .caret { font-size: 0.7em; transition: transform 0.2s; }
.lang-select[open] .caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 170px;
  background: rgba(12, 14, 17, 0.99);
  border: 1px solid var(--c-border);
  padding: 0.35rem;
  z-index: 300;
  max-height: 70vh;
  overflow-y: auto;
}
.lang-menu li a {
  display: block;
  padding: 0.6rem 0.85rem;
  font-size: var(--fs-6);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-muted);
  transition: background 0.15s, color 0.15s;
}
.lang-menu li a:hover { background: var(--c-card); color: var(--c-white); }
.lang-menu li a[aria-current="true"] { color: var(--c-gold); }

/* SECTION 1 — HERO */
.hero {
  position: relative;
  min-height: calc(100vh - var(--hdr-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--sp-12);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(105deg, rgba(12,14,17,0.94) 0%, rgba(12,14,17,0.72) 46%, rgba(12,14,17,0.30) 100%),
    linear-gradient(to top, rgba(12,14,17,0.85) 0%, rgba(12,14,17,0) 40%);
  pointer-events: none;
}
.hero-body { position: relative; z-index: 2; max-width: 720px; }
.hero-body h1 {
  font-size: var(--fs-1);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: var(--sp-3);
}
.hero-body h1 em { font-style: normal; color: var(--c-gold); }
.hero-sub {
  font-size: var(--fs-4);
  font-weight: 500;
  color: rgba(244, 246, 248, 0.82);
  max-width: 56ch;
  line-height: 1.78;
  margin-bottom: var(--sp-6);
}

/* Trust badges */
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-8);
  max-width: 760px;
}
.trust-badge {
  padding: var(--sp-3);
  background: rgba(22, 26, 31, 0.62);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-gold);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.trust-badge .tb-title {
  display: block;
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 0.4rem;
}
.trust-badge p { font-size: var(--fs-6); color: var(--c-muted); line-height: 1.6; }

/* SECTION 2 — COLLECTIONS GRID */
.collections { padding-block: var(--sp-16); }
.collections-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.collection-card {
  display: flex;
  flex-direction: column;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.collection-card:hover { transform: translateY(-4px); border-color: var(--c-gold); }
.card-img-wrap {
  position: relative;
  overflow: hidden;
  background: #ffffff;
  aspect-ratio: 1574 / 750;   /* taller box → vertical breathing room without shrinking the figure */
  border-bottom: 1px solid var(--c-border);
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 1.25rem 1.4rem;   /* small padding; the white space comes from the taller box above */
  transition: transform 0.5s ease;
}
.collection-card:hover .card-img-wrap img { transform: scale(1.05); }
.card-tag {
  position: absolute;
  top: 0; left: 0;
  z-index: 2;
  background: var(--c-gold);
  color: #0a0a0a;
  font-size: var(--fs-6);
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
}
.card-body { display: flex; flex-direction: column; flex: 1; padding: var(--sp-4); }
.collection-card h3 {
  font-size: var(--fs-3);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: var(--sp-2);
}
.card-body p {
  font-size: var(--fs-5);
  color: var(--c-muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: var(--sp-4);
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--c-border);
  width: 100%;
  transition: color 0.2s;
}
.card-link .arr { transition: transform 0.25s ease; }
.collection-card:hover .card-link { color: var(--c-gold-lt); }
.collection-card:hover .card-link .arr { transform: translateX(6px); }

/* SHOWCASE BAND */
.showcase {
  position: relative;
  overflow: hidden;
  aspect-ratio: 32 / 9;
  max-height: 460px;
  border-top: 1px solid var(--c-border);
}
.showcase img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.showcase::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(12,14,17,0.55) 0%, rgba(12,14,17,0.18) 45%, rgba(12,14,17,0.78) 100%);
  pointer-events: none;
}
.showcase-cap { position: absolute; z-index: 1; left: 0; bottom: 0; width: 100%; }
.showcase-cap span {
  display: inline-block;
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244, 246, 248, 0.86);
}

/* SECTION 3 — ENGINEERING TRUTHS */
.truths {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--sp-16);
}
.truths-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.truth-cell {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  padding: var(--sp-6) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.truth-num { font-size: var(--fs-6); font-weight: 900; letter-spacing: 0.2em; color: var(--c-gold); }
.truth-cell h3 {
  font-size: var(--fs-3);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--c-white);
}
.truth-cell p { font-size: var(--fs-5); color: var(--c-muted); line-height: 1.78; }

/* SECTION 4 — LEAD MAGNET / CLOSING CTA */
.lead { position: relative; overflow: hidden; padding-block: var(--sp-16); }
.lead-bg { position: absolute; inset: 0; z-index: 0; }
.lead-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.lead-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(115deg, rgba(12,14,17,0.97) 0%, rgba(12,14,17,0.82) 50%, rgba(12,14,17,0.58) 100%);
}
.lead-body { position: relative; z-index: 2; max-width: 620px; }
.lead-body h2 {
  font-size: var(--fs-2);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: var(--sp-2);
}
.lead-body h2 em { font-style: normal; color: var(--c-gold); }
.lead-body > p {
  font-size: var(--fs-4);
  color: rgba(244, 246, 248, 0.74);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
  max-width: 52ch;
}
.lead-form { display: flex; flex-direction: column; gap: var(--sp-2); max-width: 540px; }
.lead-form-row { display: flex; }
.lead-form input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 1rem 1.2rem;
  font-family: var(--ff);
  font-size: var(--fs-5);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-right: none;
  color: var(--c-white);
  outline: none;
  transition: border-color 0.2s;
}
.lead-form input[type="email"]::placeholder { color: var(--c-muted); }
.lead-form input[type="email"]:focus { border-color: var(--c-gold); }
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  overflow: hidden;
}
.lead-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--fs-6);
  color: var(--c-muted);
  line-height: 1.5;
}
.lead-consent input {
  margin-top: 0.2rem;
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  accent-color: var(--c-gold);
  cursor: pointer;
}
.lead-consent a { color: var(--c-gold); text-decoration: underline; }
.lead-form button {
  padding: 1rem 1.6rem;
  font-family: var(--ff);
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--c-gold);
  color: #0a0a0a;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}
.lead-form button:hover { background: var(--c-gold-lt); }
.lead-foot {
  position: relative;
  z-index: 2;
  margin-top: var(--sp-6);
  font-size: var(--fs-6);
  font-style: italic;
  color: var(--c-dim);
  max-width: 60ch;
  line-height: 1.7;
}

/* Success state — revealed on form submit (visitor stays on the page) */
.lead-thanks {
  position: relative;
  z-index: 2;
  max-width: 540px;
  padding: var(--sp-4);
  background: rgba(22, 26, 31, 0.72);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-gold);
}
.lead-thanks strong { display: block; font-size: var(--fs-4); color: var(--c-white); margin-bottom: 0.5rem; }
.lead-thanks p { font-size: var(--fs-6); color: var(--c-muted); line-height: 1.7; }

/* FOOTER */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding-block: var(--sp-8);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer-logo { height: 13px; width: auto; }
.footer-nav { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.footer-nav a {
  font-size: var(--fs-6);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--c-white); }
.footer-copy {
  width: 100%;
  padding-top: var(--sp-4);
  margin-top: var(--sp-2);
  border-top: 1px solid var(--c-border);
  font-size: var(--fs-6);
  color: var(--c-dim);
}

/* RESPONSIVE — TABLET ≤ 1024px */
@media (max-width: 1024px) {
  .truths-grid { grid-template-columns: 1fr; }
}

/* RESPONSIVE — MOBILE ≤ 760px */
@media (max-width: 760px) {
  :root { --sp-16: 4.5rem; --sp-12: 3.25rem; --sp-8: 2.75rem; }

  .menu-burger { display: flex; }
  .lang-select { margin-left: auto; }   /* push selector right when nav collapses */

  .primary-nav {
    display: none;
    position: absolute;
    top: var(--hdr-h);
    left: 0; right: 0;
    background: rgba(12, 14, 17, 0.99);
    border-bottom: 1px solid var(--c-border);
    padding: var(--sp-2) var(--sp-4) var(--sp-3);
    margin-inline-start: 0;
  }
  .menu-toggle:checked ~ .primary-nav { display: block; }

  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a { padding: 0.9rem 0; border-bottom: 1px solid var(--c-border); font-size: var(--fs-6); }
  .nav-store { margin-left: 0; margin-top: var(--sp-3); text-align: center; padding: 0.95rem 1.3rem !important; }

  /* Hero — shrink headline + sub so the CTA sits above the fold on phones */
  .hero { padding-block: var(--sp-8); }
  .hero-body h1 { font-size: 2rem; line-height: 1.08; }
  .hero-sub { font-size: 1rem; line-height: 1.6; margin-bottom: var(--sp-4); }

  /* Smaller button labels so they fit narrow screens */
  .btn-lg { font-size: 0.82rem; letter-spacing: 0.06em; padding: 1rem 1.35rem; }
  .lead-form button { font-size: 0.82rem; letter-spacing: 0.06em; padding: 1rem 1.1rem; }

  .trust-row { grid-template-columns: 1fr; }
  .collections-grid { grid-template-columns: 1fr; }

  .lead-form-row { flex-direction: column; }
  .lead-form input[type="email"] { border-right: 1px solid rgba(255, 255, 255, 0.18); border-bottom: none; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}