/* =============================================================================
   Luban Lock brand hub styles (1:1 with apps/lubanlock Next.js site).
   Variables mirror Tailwind config: ink-50..950 + accent #D4A574.
   Adaptations for vanilla CSS over Tailwind — see comments per section.
   ============================================================================= */

/* ───────────── 1. Reset / base ───────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:root {
  color-scheme: dark;
  --grain-opacity: 0.035;

  /* ink palette (Tailwind → CSS vars) */
  --ink-950: #050608;
  --ink-900: #0A0B0F;
  --ink-800: #0F1117;
  --ink-700: #15171F;
  --ink-600: #1C1F29;
  --ink-500: #262A36;
  --ink-400: #3A3F4F;
  --ink-300: #5A6072;
  --ink-200: #8A91A4;
  --ink-100: #BFC4D1;
  --ink-50:  #E8EBF2;

  /* accent */
  --accent:        #D4A574;
  --accent-soft:   #E8C9A0;
  --accent-glow:   rgba(212, 165, 116, 0.35);
  --accent-border: rgba(212, 165, 116, 0.4);

  /* typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Inter", "Helvetica Neue", Helvetica, "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-display: "Times New Roman", Georgia, "Songti SC", STSong, serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono",
               "Courier New", ui-monospace, monospace;

  /* easing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  /* container */
  --wrap-max: 1280px;
}

body {
  font-family: var(--font-sans);
  color: var(--ink-100);
  background: var(--ink-950);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(212, 165, 116, 0.06), transparent 70%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(123, 160, 152, 0.04), transparent 70%);
  background-attachment: fixed;
  font-size: 16px;
  line-height: 1.6;
}

/* Noise texture overlay (matches globals.css body::before) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.6 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: var(--grain-opacity);
  z-index: 1;
  mix-blend-mode: overlay;
}

/* All page content sits above the noise overlay */
.site-nav, .hero-section, .marquee, .products-section, .trust-section,
.legal, .cta-band, .site-footer, [class*="block"] { position: relative; z-index: 2; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-900); }
::-webkit-scrollbar-thumb { background: var(--ink-500); border-radius: 999px; border: 2px solid var(--ink-900); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-400); }
::selection { background-color: rgba(212, 165, 116, 0.3); color: var(--ink-50); }

/* ───────────── 2. Container / typography helpers ───────────── */
.wrap {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) {
  .wrap { padding: 0 2rem; }
}

.highlight, .text-gradient {
  background: linear-gradient(135deg, var(--ink-50) 0%, var(--accent) 50%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

em, .italic { font-style: italic; }
strong { font-weight: 500; color: var(--ink-50); }

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

/* Display sizes (Tailwind text-display-xl/lg/md equivalents) */
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

.display-xl { font-size: clamp(3rem, 8vw, 6rem); line-height: 1.02; letter-spacing: -0.035em; font-weight: 300; }
.display-lg { font-size: clamp(2.25rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -0.03em; font-weight: 300; }
.display-md { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.15; letter-spacing: -0.02em; font-weight: 400; }

/* ───────────── 3. Buttons (matches Next.js rounded-full) ───────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--ink-50);
  color: var(--ink-950);
}
.btn-primary:hover {
  background: var(--accent);
  color: var(--ink-950);
  box-shadow: 0 0 40px -5px var(--accent-glow);
}
.btn-secondary {
  background: transparent;
  color: var(--ink-100);
  border-color: rgba(21, 23, 31, 0.6);
}
.btn-secondary:hover {
  border-color: var(--ink-500);
  background: rgba(15, 17, 23, 0.6);
}
.btn-outline {
  background: transparent;
  color: var(--ink-100);
  border-color: rgba(21, 23, 31, 0.6);
}
.btn-outline:hover {
  border-color: rgba(212, 165, 116, 0.6);
  color: var(--accent);
}

/* ───────────── 4. Section / layout primitives ───────────── */
.block { padding: 3.5rem 0; }
@media (min-width: 640px) { .block { padding: 5rem 0; } }

.section-head {
  max-width: 56rem;
  margin-bottom: 3rem;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
}
.section-head h2,
.section-head h1 {
  margin-top: 1rem;
  color: var(--ink-50);
  letter-spacing: -0.03em;
}
.section-head .lead {
  margin-top: 1.25rem;
  color: var(--ink-200);
  max-width: 48rem;
}
.subsection {
  margin-top: 3rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-50);
  letter-spacing: -0.02em;
}
.subsection.other { margin-top: 4rem; }
.subsection-desc {
  margin: 0.5rem 0 1.5rem;
  color: var(--ink-200);
  max-width: 48rem;
}

/* ───────────── 5. Site nav (matches Next.js nav) ───────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(5, 6, 8, 0.7);
  border-bottom: 1px solid rgba(21, 23, 31, 0.5);
}
.site-nav .inner {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0.875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
@media (min-width: 1024px) { .site-nav .inner { padding: 0.875rem 2rem; } }

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
}
.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.625rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: var(--ink-950);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.05em;
}
.brand-link > div:last-child { display: flex; flex-direction: column; line-height: 1.2; }
.brand-link span { font-weight: 500; color: var(--ink-50); font-size: 0.95rem; }
.brand-link small {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-lang { display: inline-flex !important; }
  .nav-panel { position: static !important; transform: none !important; opacity: 1 !important; visibility: visible !important; background: none !important; padding: 0 !important; flex-direction: row !important; align-items: center !important; gap: 1.5rem !important; border: none !important; }
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--ink-200);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover { color: var(--ink-50); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.5rem;
  height: 1px;
  background: var(--accent);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-around;
  width: 2.25rem;
  height: 2.25rem;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 0.5rem;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink-100);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.site-nav.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(0.4rem) rotate(45deg); }
.site-nav.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.site-nav.is-open .nav-toggle-bar:nth-child(3) { transform: translateY(-0.4rem) rotate(-45deg); }

.nav-panel {
  position: absolute;
  top: 100%;
  right: 1rem;
  margin-top: 0.5rem;
  background: rgba(15, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(21, 23, 31, 0.6);
  border-radius: 0.875rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 14rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}
.site-nav.is-open .nav-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-lang {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  border-top: 1px solid rgba(21, 23, 31, 0.6);
  padding-top: 0.75rem;
}
.nav-lang-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-300);
}
.lang-switcher {
  background: var(--ink-800);
  color: var(--ink-100);
  border: 1px solid rgba(21, 23, 31, 0.6);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  width: 100%;
}
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 40;
}

/* ───────────── 6. HERO ───────────── */
.hero-section {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 100svh;
  align-items: center;
  overflow: hidden;
  padding: 7rem 0 5rem;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -8rem;
  left: 0;
  right: 0;
  height: 60vh;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(212,165,116,0.08), transparent 70%);
  opacity: 0.8;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.3fr 1fr; gap: 4rem; }
}
.hero-section h1.display-xl { color: var(--ink-50); }
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(21, 23, 31, 0.6);
  background: rgba(15, 17, 23, 0.4);
  backdrop-filter: blur(8px);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-100);
}
.hero-pill .ping {
  position: relative;
  display: inline-flex;
  width: 0.375rem;
  height: 0.375rem;
}
.hero-pill .ping::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: var(--accent);
  opacity: 0.75;
  animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.hero-pill .ping::after {
  content: '';
  position: relative;
  display: inline-block;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 9999px;
  background: var(--accent);
}
@keyframes ping {
  75%, 100% { transform: scale(2); opacity: 0; }
}
.hero-badges .badge {
  position: relative;
}
.hero-badges .badge + .badge::before {
  content: '·';
  margin-right: 0.625rem;
  margin-left: -0.25rem;
  color: var(--ink-300);
}
.hero-section h1 { margin: 1.5rem 0 0; }
.hero-section h1 + h1 { margin-top: 0; }
.hero-section .lead {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  color: var(--ink-200);
  max-width: 38rem;
}
@media (min-width: 640px) {
  .hero-section .lead { font-size: 1.125rem; }
}
.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.scroll-hint {
  margin-top: 5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-300);
}
.scroll-hint::before {
  content: '';
  display: inline-block;
  width: 3rem;
  height: 1px;
  background: var(--ink-600);
}

.device-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.device-screen {
  width: 240px;
  height: 480px;
  border-radius: 32px;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border: 1px solid rgba(21, 23, 31, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  padding: 2rem 1.25rem;
  font-size: 0.95rem;
  color: var(--ink-100);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7);
}
.device-screen .icon-lock {
  font-size: 3rem;
  filter: drop-shadow(0 0 16px var(--accent-glow));
}

/* ───────────── 7. Marquee strip ───────────── */
.marquee {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(21, 23, 31, 0.3);
  border-bottom: 1px solid rgba(21, 23, 31, 0.3);
  background: rgba(10, 11, 15, 0.3);
  padding: 1rem 0;
}
.marquee::before, .marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 8rem;
  pointer-events: none;
  z-index: 2;
}
.marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--ink-950), transparent);
}
.marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--ink-950), transparent);
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee-shift 40s linear infinite;
  width: max-content;
}
.marquee-track > span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--ink-300);
  padding: 0 2rem;
  position: relative;
}
.marquee-track > span::after {
  content: '';
  display: inline-block;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 9999px;
  background: rgba(212, 165, 116, 0.4);
  margin-left: 2rem;
  vertical-align: middle;
}
@keyframes marquee-shift {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ───────────── 8. Products section ───────────── */
.products-section { padding: 5rem 0 7rem; }
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 640px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid.featured-row { grid-template-columns: repeat(2, 1fr); }
}

.product-card {
  position: relative;
  border-radius: 1rem;
  border: 1px solid rgba(21, 23, 31, 0.5);
  background: rgba(15, 17, 23, 0.4);
  backdrop-filter: blur(8px);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out-expo),
              border-color 0.5s ease,
              background 0.5s ease;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(28, 31, 41, 0.8);
  background: rgba(15, 17, 23, 0.7);
}
.product-card .accent-glow {
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
  background: radial-gradient(
    500px circle at var(--mx, 50%) var(--my, 50%),
    var(--accent-fill, rgba(212, 165, 116, 0.15)),
    transparent 45%
  );
}
.product-card:hover .accent-glow { opacity: 1; }

.product-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.product-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(21, 23, 31, 0.6);
  background: rgba(10, 11, 15, 0.6);
  transition: transform 0.5s ease;
  color: var(--accent);
}
.product-card:hover .product-icon-box {
  transform: scale(1.1);
  border-color: rgba(212, 165, 116, 0.4);
  box-shadow: 0 0 24px -6px var(--accent-glow);
}
.product-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.product-status .dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 9999px;
}
.product-status.available { color: rgba(52, 211, 153, 0.9); }
.product-status.available .dot { background: #34D399; box-shadow: 0 0 8px rgba(52, 211, 153, 0.6); }
.product-status.beta { color: rgba(245, 158, 11, 0.9); }
.product-status.beta .dot { background: #F59E0B; }
.product-status.coming-soon { color: var(--ink-300); }
.product-status.coming-soon .dot { background: var(--ink-400); }

.product-body { position: relative; flex: 1; display: flex; flex-direction: column; }
.product-brand {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-300);
}
.product-name {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-50);
}
.product-tagline {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink-200);
}
.product-desc {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-300);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.5s var(--ease-out-expo), opacity 0.4s ease;
}
.product-card:hover .product-desc {
  max-height: 10rem;
  opacity: 1;
}

.product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-top: 1px solid rgba(21, 23, 31, 0.4);
  padding-top: 1.25rem;
  position: relative;
}
.platform-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.platform-badge {
  border: 1px solid rgba(21, 23, 31, 0.5);
  background: rgba(10, 11, 15, 0.4);
  padding: 0.15rem 0.5rem;
  border-radius: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-300);
}
.platform-badge.more { background: none; border: none; color: var(--ink-400); }

.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-50);
  transition: color 0.3s ease, gap 0.3s ease;
}
.product-card:hover .product-cta { color: var(--accent); gap: 0.625rem; }
.product-cta.soon { color: var(--ink-400); }

.product-card-badges {
  position: absolute;
  top: 5rem;
  right: 1.75rem;
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}
@media (min-width: 1024px) { .product-card-badges { display: flex; } }
.product-card .feature-badge {
  border: 1px solid rgba(21, 23, 31, 0.4);
  background: rgba(10, 11, 15, 0.7);
  backdrop-filter: blur(8px);
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.625rem;
  color: var(--ink-200);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.product-card:hover .feature-badge { opacity: 1; }

/* ───────────── 9. Trust pillars ───────────── */
.trust-section {
  position: relative;
  scroll-margin-top: 5rem;
  overflow: hidden;
  border-top: 1px solid rgba(21, 23, 31, 0.4);
  border-bottom: 1px solid rgba(21, 23, 31, 0.4);
  background: rgba(10, 11, 15, 0.4);
  padding: 6rem 0;
}
.trust-section::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(212, 165, 116, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 165, 116, 0.5) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.pillars {
  list-style: none;
  margin: 4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid rgba(21, 23, 31, 0.4);
  border-radius: 1rem;
  overflow: hidden;
  background: rgba(21, 23, 31, 0.3);
}
@media (min-width: 640px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar {
  background: rgba(10, 11, 15, 0.6);
  padding: 2rem;
  transition: background 0.5s ease;
}
.pillar:hover { background: rgba(15, 17, 23, 0.7); }
.pillar-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.pillar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(21, 23, 31, 0.6);
  background: rgba(15, 17, 23, 0.6);
  color: var(--accent);
  transition: transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}
.pillar:hover .pillar-icon {
  transform: scale(1.1);
  border-color: rgba(212, 165, 116, 0.4);
  box-shadow: 0 0 24px -6px var(--accent-glow);
}
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-400);
}
.pillar-body { margin-top: 1.5rem; }
.pillar-en {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-300);
}
.pillar h3 {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-50);
}
.pillar p {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-200);
}

.commitment {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid rgba(21, 23, 31, 0.4);
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(15, 17, 23, 0.6), rgba(10, 11, 15, 0.4));
  padding: 2rem;
}
@media (min-width: 640px) {
  .commitment { flex-direction: row; align-items: center; justify-content: space-between; padding: 2.5rem; }
}
.commitment-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.commitment-text {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--ink-50);
  max-width: 48rem;
}
@media (min-width: 640px) { .commitment-text { font-size: 1.5rem; } }

/* ───────────── 10. CTA band ───────────── */
.cta-band {
  padding: 5rem 0;
  border-top: 1px solid rgba(21, 23, 31, 0.5);
  text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(212, 165, 116, 0.06), transparent 70%);
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--ink-50);
  letter-spacing: -0.02em;
}
.cta-band p { color: var(--ink-200); margin: 1rem auto 2rem; max-width: 38rem; }

/* ───────────── 11. Site footer ───────────── */
.site-footer {
  border-top: 1px solid rgba(21, 23, 31, 0.4);
  background: var(--ink-950);
  padding: 4rem 0 2rem;
  font-size: 0.875rem;
  color: var(--ink-300);
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(21, 23, 31, 0.4);
}
@media (min-width: 1024px) {
  .footer-top { flex-direction: row; justify-content: space-between; align-items: center; }
}
.footer-brand { max-width: 28rem; }
.footer-tagline {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-300);
}
.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(21, 23, 31, 0.6);
  background: rgba(10, 11, 15, 0.4);
  color: var(--ink-300);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  transition: all 0.2s ease;
}
.social-icon:hover {
  border-color: rgba(212, 165, 116, 0.6);
  color: var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  padding: 3rem 0;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
}
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-300);
  margin: 0 0 1.25rem;
}
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}
.site-footer a {
  color: var(--ink-200);
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.site-footer a:hover { color: var(--accent); }
.site-footer ul li span { color: var(--ink-300); font-size: 0.875rem; }
.footer-mono {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
  color: var(--ink-300) !important;
}
.legal-status {
  display: inline-flex !important;
  align-items: center;
  gap: 0.5rem;
  flex-direction: row !important;
  font-size: 0.875rem;
}
.legal-status .dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 9999px;
  background: #34D399;
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.5);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(21, 23, 31, 0.4);
}
@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.footer-promise {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--ink-300);
}
.pulse-dot {
  display: inline-block;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 9999px;
  background: var(--accent);
  animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}
.footer-copyright-line {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-400);
  margin: 0;
}

/* ───────────── 12. Legal pages (privacy/terms/security/support) ───────────── */
.legal { padding: 4rem 0 6rem; }
.legal-doc {
  max-width: 56rem;
}
.legal-head {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(21, 23, 31, 0.5);
  margin-bottom: 2.5rem;
}
.legal-head h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--ink-50);
  margin: 0;
}
.legal-subtitle {
  margin: 1rem 0 0;
  color: var(--ink-200);
  font-size: 1rem;
  max-width: 42rem;
}
.legal section {
  border: 1px solid rgba(21, 23, 31, 0.4);
  border-radius: 0.875rem;
  background: rgba(15, 17, 23, 0.4);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 768px) { .legal section { padding: 2rem; } }
.legal h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-50);
  margin: 0 0 1rem;
}
.legal p {
  color: var(--ink-200);
  line-height: 1.7;
  margin: 0 0 0.875rem;
}
.legal ul {
  color: var(--ink-200);
  margin: 0.5rem 0 1rem;
  padding-left: 1.25rem;
}
.legal ul li { margin-bottom: 0.4rem; }
.legal a { color: var(--accent); }
.legal a:hover { text-decoration: underline; }
.legal p:last-child, .legal section > *:last-child { margin-bottom: 0; }

.security-intro {
  background: linear-gradient(135deg, rgba(15, 17, 23, 0.4), rgba(10, 11, 15, 0.4));
  font-size: 1rem;
  line-height: 1.7;
}
.security-intro p { font-size: 1rem; color: var(--ink-100); }

.apps-list {
  display: grid !important;
  grid-template-columns: 1fr;
  gap: 0.4rem 1.5rem !important;
}
@media (min-width: 640px) { .apps-list { grid-template-columns: repeat(2, 1fr) !important; } }

/* ───────────── 13. Reduced-motion safety ───────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}