/* =============================================================
   components.css — illusionlab web components

   Ported from:
   - illusionlab/design-system/parent-ci/ui_kits/brand_site/styles.css
   - illusionlab/design-system/parent-ci/preview/components-*.html
   - illusionlab/design-system/parent-ci/SKILL.md §Component cookbook

   Convention: component CONTAINERS use distinct names (.site-nav, .site-footer,
   .btn-*) to avoid collision with CI typography utilities (.il-nav, .il-button).
   ============================================================= */

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

/* Buttons render in sentence case (project override — see IMPLEMENTATION_NOTES §C).
   CI canonical style adds text-transform: uppercase; we keep buttons as written. */
.btn-gold,
.btn-ghost,
.btn-gold-ghost {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 16px 28px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: background-color var(--dur-base) var(--ease),
              color var(--dur-base) var(--ease),
              border-color var(--dur-base) var(--ease),
              box-shadow var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease);
}

.btn-gold {
  background: var(--il-gold);
  color: #0B0B0F;
  box-shadow: var(--elev-gold);
}
.btn-gold:hover {
  background: var(--il-gold-bright);
  box-shadow: var(--elev-gold-strong);
  transform: translateY(-1px);
}
.btn-gold:active {
  transform: scale(0.98);
  background: var(--il-gold-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--il-text-1);
  border-color: var(--il-border);
}
.btn-ghost:hover {
  border-color: var(--il-border-strong);
  background: rgba(255, 255, 255, 0.03);
}

.btn-gold-ghost {
  background: transparent;
  color: var(--il-gold);
  border-color: var(--il-border-gold);
}
.btn-gold-ghost:hover {
  background: rgba(212, 175, 55, 0.06);
  border-color: var(--il-gold);
}

.btn-sm { padding: 8px 14px; font-size: 11px; }

.btn-gold:disabled,
.btn-ghost:disabled,
.btn-gold-ghost:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* =============================================================
   CHIPS / PILLS
   ============================================================= */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
}

.chip-gold {
  background: rgba(212, 175, 55, 0.1);
  color: var(--il-gold);
  border-color: var(--il-border-gold);
}

.chip-neutral {
  background: rgba(255, 255, 255, 0.04);
  color: var(--il-text-2);
  border-color: var(--il-border-weak);
}

/* Hero eyebrow — chip with dot, larger tracking (per brand_site/styles.css) */
.il-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--il-border-gold);
  border-radius: var(--r-pill);
  color: var(--il-gold);
  font-size: var(--fs-overline);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(212, 175, 55, 0.04);
}
.il-hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--il-gold);
  box-shadow: 0 0 8px var(--il-gold);
}

/* =============================================================
   CARDS
   ============================================================= */

.il-card {
  background: var(--il-charcoal);
  border: 1px solid var(--il-border-weak);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  transition: border-color var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease);
}
.il-card:hover {
  border-color: var(--il-border);
  transform: translateY(-2px);
}
.il-card:active { transform: none; }

/* Hero / featured card variant */
.il-card-hero {
  background: linear-gradient(160deg, #16161B 0%, #0B1024 60%, #07070A 100%);
  border-color: var(--il-border-gold);
  box-shadow: var(--elev-gold);
  position: relative;
  overflow: hidden;
}
.il-card-hero::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15), transparent 70%);
  pointer-events: none;
}

/* =============================================================
   PRODUCT CARD (brand-site pages: apps, devices, tools)
   Port of .product-card from ui_kits/brand_site/styles.css.
   ============================================================= */

.il-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5); /* 24 */
}
.il-product-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.il-product-grid.stack  { grid-template-columns: 1fr; gap: var(--sp-4); }

@media (max-width: 900px) {
  .il-product-grid,
  .il-product-grid.cols-2 { grid-template-columns: 1fr; }
}

.il-product-card {
  background: var(--il-charcoal);
  border: 1px solid var(--il-border-weak);
  border-radius: var(--r-lg);
  padding: 36px 30px 28px;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  transition: border-color var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.il-product-card:hover {
  border-color: var(--il-border);
  transform: translateY(-2px);
}
.il-product-card:focus-visible {
  outline: none;
  border-color: var(--il-border-gold);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.25);
}

.il-product-card .pc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-5);
  gap: var(--sp-3);
}
.il-product-card .pc-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--il-gold);
  background: var(--il-ink);
  border: 1px solid var(--il-border-gold);
  border-radius: var(--r-md);
  flex-shrink: 0;
}
.il-product-card .pc-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--il-text-1);
  margin: 0 0 var(--sp-3);
}
.il-product-card .pc-body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--il-text-2);
  margin: 0 0 auto;
}
.il-product-card .pc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  margin-top: var(--sp-4);
  border-top: 1px solid var(--il-border-weak);
}
.il-product-card .pc-link {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--il-gold);
  text-decoration: none;
}
.il-product-card.is-hero {
  background: linear-gradient(160deg, #16161B 0%, #0B1024 60%, #07070A 100%);
  border-color: var(--il-border-gold);
}
.il-product-card.is-hero::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15), transparent 70%);
  pointer-events: none;
}

/* Spec tags — neutral chips for device specs */
.il-spec-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: var(--sp-3) 0 0;
}
.il-spec-tag {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--il-text-2);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--il-border-weak);
  padding: 4px 9px;
  border-radius: var(--r-pill);
}

/* Hero pattern shared by brand-site pages */
.il-hero {
  position: relative;
  padding: 120px var(--page-pad) 120px;
  overflow: hidden;
  border-bottom: 1px solid var(--il-border-weak);
}
.il-hero .il-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 30% 20%, rgba(58, 44, 90, 0.35), transparent 60%),
              radial-gradient(ellipse 60% 50% at 85% 80%, rgba(11, 16, 36, 0.8), transparent 60%),
              var(--il-black);
  z-index: -2;
}
.il-hero .il-hero-pattern {
  position: absolute; inset: 0;
  background: url('/assets/pattern-hex.svg');
  background-size: 120px;
  opacity: 0.07;
  mix-blend-mode: screen;
  z-index: -1;
  pointer-events: none;
}
.il-hero-inner { position: relative; max-width: 780px; margin: 0 auto; }
.il-hero-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: var(--sp-5) 0 var(--sp-4);
  text-wrap: balance;
  color: var(--il-text-1);
}
.il-hero-title em { font-style: italic; color: var(--il-gold); font-weight: 400; }
.il-hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--il-text-2);
  max-width: 560px;
  margin: 0;
}

@media (max-width: 900px) {
  .il-hero { padding: 96px var(--page-pad) 80px; }
}
@media (max-width: 480px) {
  .il-hero { padding: 72px var(--page-pad) 64px; }
}

/* =============================================================
   STAT CARD (from members_area/styles.css)
   ============================================================= */

.il-stat {
  background: var(--il-charcoal);
  border: 1px solid var(--il-border-weak);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  transition: border-color var(--dur-base) var(--ease);
}
.il-stat:hover { border-color: var(--il-border); }
.il-stat .ol {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--il-text-3);
  margin-bottom: var(--sp-4);
}
.il-stat-value {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--il-text-1);
}
.il-stat-meta {
  font-size: 11px;
  color: var(--il-text-3);
}

/* =============================================================
   INPUTS (canonical — per preview/components-inputs.html)
   Note: the gate password input on index.html is a ceremonial exception,
         documented in IMPLEMENTATION_NOTES.md §C.8.
   ============================================================= */

.il-input {
  width: 100%;
  background: var(--il-charcoal);
  border: 1px solid var(--il-border-weak);
  border-radius: var(--r-md);
  padding: 12px 14px;
  color: var(--il-text-1);
  font-size: 15px;
  font-family: var(--font-sans);
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.il-input::placeholder { color: var(--il-text-3); }
.il-input:focus {
  outline: none;
  border-color: var(--il-border-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.08);
}
.il-input.is-error {
  border-color: rgba(200, 90, 90, 0.5);
}

.il-field { margin-bottom: var(--sp-4); }
.il-field-label {
  display: block;
  font-size: var(--fs-overline);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--il-text-3);
  margin-bottom: 6px;
}
.il-field-hint {
  font-size: 11px;
  color: var(--il-text-3);
  margin-top: 6px;
}
.il-field-hint.is-error { color: var(--il-error); }

/* =============================================================
   NAV (top bar — per brand_site/styles.css)
   ============================================================= */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--page-pad);
  background: var(--il-overlay);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--il-border-weak);
}
.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.site-nav-brand .wm {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--il-gold);
  font-size: 22px;
  letter-spacing: 0.01em;
}
.site-nav-links { display: flex; gap: 36px; }
.site-nav-links a {
  color: var(--il-text-2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  position: relative;
  transition: color var(--dur-fast) var(--ease);
}
.site-nav-links a:hover,
.site-nav-links a.active { color: var(--il-text-1); }
.site-nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 1px;
  background: var(--il-gold);
}
.site-nav-cta { display: flex; gap: 10px; align-items: center; }

/* Mobile nav toggle (brand-site pages) — slides down a dropdown menu */
.site-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--il-border-weak);
  color: var(--il-text-2);
  padding: 9px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.site-nav-toggle:hover { border-color: var(--il-border); color: var(--il-text-1); }
.site-nav-toggle:focus-visible {
  outline: none;
  border-color: var(--il-border-gold);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.25);
}

.site-nav-mobile {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(7, 7, 10, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--il-border-weak);
  padding: var(--sp-3) var(--page-pad) var(--sp-4);
  flex-direction: column;
  gap: 0;
  z-index: 49;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--dur-base) var(--ease),
              opacity var(--dur-base) var(--ease);
}
.site-nav-mobile.is-open {
  max-height: calc(100vh - 64px);
  opacity: 1;
}
.site-nav-mobile a {
  display: block;
  color: var(--il-text-2);
  text-decoration: none;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--il-border-weak);
  transition: color var(--dur-fast) var(--ease);
}
.site-nav-mobile a:last-child { border-bottom: 0; }
.site-nav-mobile a:hover,
.site-nav-mobile a.active { color: var(--il-gold); }

/* =============================================================
   FOOTER (per brand_site/styles.css)
   ============================================================= */

.site-footer {
  padding: var(--sp-8) var(--page-pad) var(--sp-6);
  background: #050507;
  border-top: 1px solid var(--il-border-weak);
}
.site-footer-top {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: var(--sp-7);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid var(--il-border-weak);
}
.site-footer-brand .wm {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--il-gold);
  font-size: 40px;
  margin-top: var(--sp-5);
}
.site-footer-tag {
  color: var(--il-text-3);
  margin-top: 10px;
  font-size: 13px;
  max-width: 280px;
  line-height: 1.6;
}
.site-footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}
.site-footer-cols-3 { grid-template-columns: repeat(3, 1fr); }
.site-footer-cols .ol {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--il-text-2);
  margin-bottom: var(--sp-4);
}
.site-footer-cols a {
  display: block;
  font-size: 13px;
  color: var(--il-text-3);
  padding: 6px 0;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.site-footer-cols a:hover { color: var(--il-text-1); }
.site-footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: var(--sp-6);
  font-size: 11px;
  color: var(--il-text-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

@media (max-width: 900px) {
  .site-nav { padding: 14px var(--page-pad); }
  .site-nav-links,
  .site-nav-cta { display: none; }
  .site-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav-mobile { display: flex; }
  .site-footer-top { grid-template-columns: 1fr; }
  .site-footer-cols { grid-template-columns: repeat(2, 1fr); }
}