/*
 * KlarFort website — Monokai design language
 * Mobile-first. Defaults target 320px+. Tablet at >=600px, desktop at >=880px.
 * Tokens mirror shared-data/colors.json + dimensions.json.
 */

:root {
  /* Monokai palette: single source of truth in shared-data/colors.json */
  --bg:         #0A0C18;
  --bg-elev-1:  #11142B;
  --bg-elev-2:  #181C36;
  --fg:         #EBF0F8;
  --fg-muted:   #B4BFD0;
  --fg-quiet:   #6B7896;
  --accent:     #00E0FF;
  --blue:       #3CBAFF;
  --systemblue: #0091FF;
  --purple:     #8B5CF6;
  --pink:       #FF4D8D;
  --success:    #22C55E;
  --warning:    #FBBF24;
  --error:      #EF4444;

  /* Spacing: mirrors UIConstants.Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Corner radius: mirrors UIConstants.CornerRadius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-std: 16px;
  --radius-lg: 20px;
  --radius-card: 28px;

  /* Layout */
  --max-content: 1200px;
  --tap-target: 44px;
  --gutter-x: clamp(var(--space-4), 4vw, var(--space-12));

  /* Safe-area shorthands (collapse to 0 outside iOS) */
  --sa-top:    env(safe-area-inset-top, 0px);
  --sa-right:  env(safe-area-inset-right, 0px);
  --sa-bottom: env(safe-area-inset-bottom, 0px);
  --sa-left:   env(safe-area-inset-left, 0px);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; /* defensive: prevent horizontal scroll on mobile */
  /* Animated radial backdrop matching the app's GradientBackground */
  background-image:
    radial-gradient(ellipse at 30% 0%,  rgba(0, 224, 255, 0.10), transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.10), transparent 55%),
    radial-gradient(ellipse at 50% 100%,rgba(255, 77, 141, 0.06), transparent 60%);
  background-attachment: fixed;
}

@media (prefers-reduced-motion: no-preference) {
  body { animation: bg-shift 24s ease-in-out infinite alternate; }
  @keyframes bg-shift {
    0%   { background-position: 0% 0%, 100% 0%, 50% 100%; }
    100% { background-position: 5% 5%, 95% 5%, 55% 95%; }
  }
}

a { color: var(--accent); text-decoration: none; }
@media (hover: hover) and (pointer: fine) {
  a:hover { text-decoration: underline; }
}
a:focus-visible { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); z-index: 100; }

/* ---------- Header (mobile-first) ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: max(var(--space-3), var(--sa-top));
  padding-right: max(var(--gutter-x), var(--sa-right));
  padding-bottom: var(--space-3);
  padding-left: max(var(--gutter-x), var(--sa-left));
  position: sticky;
  top: 0;
  z-index: 90; /* must sit above .site-nav drawer (z:80) so the close (X) toggle stays tappable */
  background: rgba(10, 12, 24, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  color: var(--fg); font-weight: 700; font-size: 1rem;
  min-height: var(--tap-target);
  letter-spacing: -0.01em;
  position: relative;
}
.brand img {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm); flex-shrink: 0;
  filter: drop-shadow(0 4px 16px rgba(0, 224, 255, 0.18));
  transition: transform .3s cubic-bezier(.25, .8, .25, 1), filter .3s ease;
}
.brand .brand-name {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@media (hover: hover) and (pointer: fine) {
  .brand:hover img { transform: scale(1.06) rotate(-2deg); filter: drop-shadow(0 6px 22px rgba(0, 224, 255, 0.28)); }
}

/* Hamburger toggle button (visible only on mobile) */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-target);
  height: var(--tap-target);
  padding: 0;
  background: rgba(235, 240, 248, 0.06);
  border: 1px solid rgba(235, 240, 248, 0.12);
  border-radius: var(--radius-sm);
  color: var(--fg);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.menu-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) {
  .menu-toggle:hover { background: rgba(235, 240, 248, 0.10); border-color: rgba(235, 240, 248, 0.18); }
}
.menu-toggle-bars {
  position: relative;
  display: block;
  width: 22px;
  height: 14px;
}
.menu-toggle-bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.menu-toggle-bars span:nth-child(1) { top: 0; }
.menu-toggle-bars span:nth-child(2) { top: 6px; }
.menu-toggle-bars span:nth-child(3) { top: 12px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

/* Mobile drawer (default).
   The drawer is full-height and slides under the header (which is z:90); padding-top
   is sized so the first link clears the header bar (and the iPhone notch via sa-top). */
.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(82vw, 320px);
  padding-top: max(80px, calc(var(--sa-top) + 80px));
  padding-right: max(var(--space-6), var(--sa-right));
  padding-bottom: max(var(--space-6), var(--sa-bottom));
  padding-left: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-1);
  background: linear-gradient(180deg, rgba(17, 20, 43, 0.98), rgba(10, 12, 24, 0.98));
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: -16px 0 60px rgba(0, 0, 0, 0.5);
  transform: translateX(100%);
  transition: transform .25s ease;
  z-index: 80;
  overscroll-behavior: contain;
  overflow-y: auto;
}
.site-nav[data-open="true"] {
  transform: translateX(0);
}
.site-nav a {
  color: var(--fg);
  font-size: 1.05rem;
  font-weight: 500;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  min-height: var(--tap-target);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.site-nav a + a { margin-top: var(--space-1); }
.site-nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.site-nav a[aria-current="page"] {
  color: var(--accent);
  background: rgba(0, 224, 255, 0.08);
}
@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover { color: var(--accent); background: rgba(0, 224, 255, 0.06); }
}

/* Backdrop overlay behind the drawer */
.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 4, 12, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 70;
}
.menu-backdrop[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}

/* Body scroll lock while drawer is open */
html.menu-open,
html.menu-open body {
  overflow: hidden;
  /* iOS Safari: also clamp touch scrolling */
  touch-action: none;
}

/* Desktop: hide hamburger, restore inline nav as glass pills */
@media (min-width: 600px) {
  .site-header {
    padding-top: max(var(--space-4), var(--sa-top));
    padding-right: max(var(--gutter-x), var(--sa-right));
    padding-bottom: var(--space-4);
    padding-left: max(var(--gutter-x), var(--sa-left));
  }
  .brand { font-size: 1.05rem; gap: var(--space-3); }
  .brand img { width: 36px; height: 36px; }
  .menu-toggle { display: none; }
  .menu-backdrop { display: none; }
  .site-nav {
    /* Cleaner rounded-rectangle nav matching the app's --radius-std container.
       Was a 999px pill in F99 — too "tab-bar-on-iOS-Safari" and didn't match
       the rest of the site's 16-28px rectangle aesthetic. */
    position: static;
    inset: auto;
    width: auto;
    padding: 5px;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
      rgba(10, 12, 24, 0.40);
    border: 1px solid rgba(235, 240, 248, 0.08);
    border-radius: var(--radius-std); /* 16px — matches app's TappableCard / liquidGlassBackground default */
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
    transform: none;
    transition: none;
    z-index: auto;
    overflow: visible;
  }
  .site-nav a {
    color: var(--fg-muted);
    font-size: .92rem;
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border-radius: 10px; /* nests cleanly inside the 16px container */
    min-height: 36px;
    transition: color .2s ease, background .2s ease, box-shadow .25s cubic-bezier(.25, .8, .25, 1), transform .25s cubic-bezier(.25, .8, .25, 1);
  }
  .site-nav a + a { margin-top: 0; }
  .site-nav a:hover { color: var(--fg); background: rgba(235, 240, 248, 0.06); transform: translateY(-1px); }
  .site-nav a:focus-visible { color: var(--accent); }
  .site-nav a[aria-current="page"] {
    color: var(--bg);
    background: linear-gradient(135deg, var(--accent), var(--blue));
    border-radius: 10px;
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.20) inset,
      0 6px 18px rgba(0, 224, 255, 0.26);
    font-weight: 600;
  }
  .site-nav a[aria-current="page"]:hover { transform: none; }
}

/* Reduced motion: skip drawer slide */
@media (prefers-reduced-motion: reduce) {
  .site-nav, .menu-backdrop, .menu-toggle-bars span { transition: none; }
}

/* ---------- Hero (mobile-first single column) ---------- */
.hero {
  padding-block: clamp(var(--space-6), 6vw, var(--space-16));
  padding-left:  max(var(--gutter-x), var(--sa-left));
  padding-right: max(var(--gutter-x), var(--sa-right));
}
.hero-grid {
  display: grid;
  gap: clamp(var(--space-6), 5vw, var(--space-12));
  grid-template-columns: 1fr;
  align-items: center;
  max-width: var(--max-content);
  margin: 0 auto;
}
@media (min-width: 880px) {
  .hero-grid { grid-template-columns: 1.15fr 1fr; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-transform: uppercase; letter-spacing: .12em; color: var(--accent);
  font-size: .78rem; font-weight: 600; margin: 0 0 var(--space-3);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 224, 255, 0.06);
  border: 1px solid rgba(0, 224, 255, 0.15);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(0, 224, 255, 0.6);
  animation: eyebrow-pulse 2.4s cubic-bezier(.25, .8, .25, 1) infinite;
}
@keyframes eyebrow-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 224, 255, 0.55); }
  60%  { box-shadow: 0 0 0 8px rgba(0, 224, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 224, 255, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .eyebrow::before { animation: none; }
}
@media (min-width: 600px) { .eyebrow { font-size: .82rem; margin-bottom: var(--space-4); } }

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-4);
  font-weight: 700;
  text-wrap: balance;
}
h1 {
  font-size: clamp(1.85rem, 7vw, 3.6rem);
  line-height: 1.08;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@media (min-width: 600px) { h1 { line-height: 1.05; } }

.lede {
  font-size: clamp(1rem, 1.5vw + .5rem, 1.18rem);
  color: var(--fg-muted);
  margin: var(--space-4) 0 var(--space-5);
  max-width: 60ch;
}
@media (min-width: 600px) { .lede { margin: var(--space-5) 0 var(--space-6); } }

/* ---------- Buttons / CTA row ---------- */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  min-height: var(--tap-target);
  text-align: center;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  /* On mobile, let buttons grow to fill available row width when only one fits */
  flex: 0 1 auto;
}
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translateY(-1px); text-decoration: none; }
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: var(--bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 0 0 1px rgba(0, 224, 255, 0.10) inset,
    0 12px 32px rgba(0, 224, 255, 0.28),
    0 4px 14px rgba(60, 186, 255, 0.20);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  /* subtle sheen sweep at the top of the button — app's glass-button feel */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 55%);
  pointer-events: none;
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.22) inset,
      0 0 0 1px rgba(0, 224, 255, 0.14) inset,
      0 16px 40px rgba(0, 224, 255, 0.36),
      0 6px 18px rgba(60, 186, 255, 0.24);
  }
}
.btn-secondary {
  background: rgba(235, 240, 248, 0.06);
  color: var(--fg);
  border-color: rgba(235, 240, 248, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
@media (hover: hover) and (pointer: fine) {
  .btn-secondary:hover {
    background: rgba(235, 240, 248, 0.10);
    border-color: rgba(235, 240, 248, 0.18);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.30);
  }
}
.btn-large { padding: var(--space-4) var(--space-6); font-size: 1rem; min-height: 52px; }
@media (min-width: 600px) {
  .btn { font-size: .98rem; }
  .btn-large { padding: var(--space-4) var(--space-8); font-size: 1.05rem; }
}

.cta-note {
  margin-top: var(--space-3); color: var(--fg-quiet); font-size: .85rem;
}
@media (min-width: 600px) { .cta-note { font-size: .88rem; } }

/* ---------- Hero visual ---------- */
.hero-visual {
  position: relative; display: grid; place-items: center;
  isolation: isolate;
  padding: var(--space-4);
}
@media (min-width: 600px) { .hero-visual { padding: var(--space-8); } }
.hero-visual img {
  width: clamp(160px, 55vw, 320px);
  height: auto;
  border-radius: 22%;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.04),
    0 0 0 8px rgba(0, 224, 255, 0.04),
    0 0 80px rgba(0, 224, 255, 0.10);
  position: relative;
  z-index: 1;
}
@media (min-width: 600px) {
  .hero-visual img {
    width: clamp(220px, 32vw, 320px);
    box-shadow:
      0 30px 80px rgba(0, 0, 0, 0.5),
      0 0 0 1px rgba(255, 255, 255, 0.04),
      0 0 0 10px rgba(0, 224, 255, 0.05),
      0 0 100px rgba(0, 224, 255, 0.14);
  }
}
.hero-glow {
  position: absolute; inset: 12%; z-index: -1;
  background:
    radial-gradient(circle at 50% 45%, rgba(0, 224, 255, 0.28), transparent 60%),
    radial-gradient(circle at 60% 75%, rgba(139, 92, 246, 0.14), transparent 65%);
  filter: blur(28px);
  animation: hero-glow-drift 16s ease-in-out infinite alternate;
}
@keyframes hero-glow-drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(1%, -1%) scale(1.03); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-glow { animation: none; }
}

/* ---------- Features (mobile-first single column) ---------- */
.features {
  padding-block: clamp(var(--space-8), 6vw, var(--space-16));
  padding-left:  max(var(--gutter-x), var(--sa-left));
  padding-right: max(var(--gutter-x), var(--sa-right));
  max-width: var(--max-content);
  margin: 0 auto;
}
.features h2, .privacy-strip h2, .download h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.4rem);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.section-lede {
  color: var(--fg-muted);
  max-width: 60ch;
  margin: 0 0 var(--space-6);
  font-size: clamp(.98rem, 1vw + .5rem, 1.05rem);
}
@media (min-width: 600px) { .section-lede { margin-bottom: var(--space-8); } }

.feature-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 880px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01)),
    rgba(0, 0, 0, 0.20);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  isolation: isolate;
  transition:
    transform .35s cubic-bezier(.25, .8, .25, 1),
    border-color .25s ease,
    box-shadow .35s cubic-bezier(.25, .8, .25, 1);
}
.feature::before {
  /* Glass sheen at the top edge — mirrors the app's liquidGlassBackground modifier */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 35%);
  pointer-events: none;
  z-index: -1;
}
@media (min-width: 600px) { .feature { padding: var(--space-6); } }
@media (hover: hover) and (pointer: fine) {
  .feature:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 224, 255, 0.30);
    box-shadow:
      0 12px 36px rgba(0, 0, 0, 0.32),
      0 0 0 1px rgba(0, 224, 255, 0.12) inset,
      0 0 60px rgba(0, 224, 255, 0.10);
  }
  .feature:hover .feature-icon {
    transform: scale(1.04);
  }
}
.feature h3 { color: var(--fg); font-size: 1.1rem; margin: var(--space-4) 0 var(--space-2); }
@media (min-width: 600px) { .feature h3 { font-size: 1.15rem; } }
.feature p { color: var(--fg-muted); margin: 0; font-size: .95rem; }
@media (min-width: 600px) { .feature p { font-size: .98rem; } }
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  color: var(--bg);
  flex-shrink: 0;
  transition: transform .35s cubic-bezier(.25, .8, .25, 1);
  position: relative;
}
.feature-icon::after {
  /* Top sheen highlight mimicking the app's gradient circle glow */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.20), transparent 60%);
  pointer-events: none;
}
.feature-icon[data-color="accent"]  { background: linear-gradient(135deg, var(--accent), var(--blue));      color: var(--bg);   box-shadow: 0 6px 20px rgba(0, 224, 255, 0.30); }
.feature-icon[data-color="blue"]    { background: linear-gradient(135deg, var(--blue), var(--systemblue));  color: var(--bg);   box-shadow: 0 6px 20px rgba(60, 186, 255, 0.28); }
.feature-icon[data-color="purple"]  { background: linear-gradient(135deg, var(--purple), #5a3ce0);          color: var(--fg);   box-shadow: 0 6px 20px rgba(139, 92, 246, 0.30); }
.feature-icon[data-color="success"] { background: linear-gradient(135deg, var(--success), #16a34a);         color: var(--bg);   box-shadow: 0 6px 20px rgba(34, 197, 94, 0.30); }
.feature-icon[data-color="warning"] { background: linear-gradient(135deg, var(--warning), #d97706);         color: var(--bg);   box-shadow: 0 6px 20px rgba(251, 191, 36, 0.28); }
.feature-icon[data-color="pink"]    { background: linear-gradient(135deg, var(--pink), #c93a73);            color: var(--fg);   box-shadow: 0 6px 20px rgba(255, 77, 141, 0.28); }

/* ---------- Privacy strip ---------- */
.privacy-strip {
  position: relative;
  padding-block: clamp(var(--space-8), 6vw, var(--space-16));
  padding-left:  max(var(--gutter-x), var(--sa-left));
  padding-right: max(var(--gutter-x), var(--sa-right));
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 224, 255, 0.05), transparent 60%);
  border-block: 1px solid rgba(255, 255, 255, 0.06);
}
.privacy-grid {
  max-width: var(--max-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 600px) { .privacy-grid { gap: var(--space-8); } }
@media (min-width: 880px) { .privacy-grid { grid-template-columns: 1.2fr 1fr; gap: var(--space-12); } }
.privacy-list { padding-left: 0; margin: 0; list-style: none; }
.privacy-list li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) calc(var(--space-5) + 6px);
  margin-bottom: var(--space-1);
  color: var(--fg-muted);
}
.privacy-list li::before {
  /* Single accent dot — replaces the F99 chip-and-tick double pseudo for a
     calmer, cleaner feel that still reads as "yes / present" at a glance. */
  content: "";
  position: absolute;
  left: 4px;
  top: calc(0.5rem + 6px);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0, 224, 255, 0.45);
}
.privacy-list strong { color: var(--fg); }
.muted-title {
  font-size: .92rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}
@media (min-width: 600px) { .muted-title { font-size: 1rem; } }
.muted-p { color: var(--fg-muted); margin: 0 0 var(--space-3); font-size: .95rem; }
@media (min-width: 600px) { .muted-p { font-size: .98rem; } }

/* ---------- Legal notice ---------- */
.legal-notice {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(var(--space-6), 6vw, var(--space-12)) max(var(--gutter-x), var(--sa-right));
  border-top: 1px solid rgba(251, 191, 36, 0.18);
  border-bottom: 1px solid rgba(251, 191, 36, 0.12);
}
.legal-notice h2 {
  margin: 0 0 var(--space-3);
  color: var(--warning);
  font-size: clamp(1.35rem, 2vw + 1rem, 2rem);
  line-height: 1.15;
}
.legal-notice p {
  max-width: 820px;
  margin: 0;
  color: var(--fg-muted);
}
.legal-notice p + p { margin-top: var(--space-3); }

/* ---------- Download CTA ---------- */
.download {
  text-align: center;
  padding-block: clamp(var(--space-8), 6vw, var(--space-16));
  padding-left:  max(var(--gutter-x), var(--sa-left));
  padding-right: max(var(--gutter-x), var(--sa-right));
  max-width: 920px;
  margin: 0 auto;
}
.download p { color: var(--fg-muted); margin: 0 auto var(--space-6); max-width: 60ch; }
@media (min-width: 600px) { .download p { margin-bottom: var(--space-8); } }
.download .cta-row { justify-content: center; }
/* Restore breathing room below the button: `.download p` (higher specificity than
   `.cta-note`) otherwise zeroes the note's top margin, crowding it under the CTA.
   Mirror the intro paragraph's rhythm so spacing above/below the button is symmetric. */
.download .cta-note { text-align: center; margin-top: var(--space-6); }
@media (min-width: 600px) { .download .cta-note { margin-top: var(--space-8); } }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--space-8);
  padding-right: max(var(--gutter-x), var(--sa-right));
  padding-bottom: max(var(--space-8), var(--sa-bottom));
  padding-left:  max(var(--gutter-x), var(--sa-left));
  margin-top: var(--space-8);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 224, 255, 0.025), transparent 60%);
}
@media (min-width: 600px) {
  .site-footer {
    padding-top: var(--space-12);
    padding-bottom: max(var(--space-12), var(--sa-bottom));
    margin-top: var(--space-12);
  }
}
.footer-grid {
  max-width: var(--max-content);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
}
@media (min-width: 600px) {
  .footer-grid {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
  }
}
.footer-brand {
  display: inline-flex;
  flex-direction: column;
  gap: var(--space-1);
  color: var(--fg);
  font-weight: 600;
}
.footer-brand-row { display: inline-flex; align-items: center; gap: var(--space-3); }
.footer-brand img {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 4px 14px rgba(0, 224, 255, 0.15));
}
.footer-brand-name {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-tagline {
  color: var(--fg-quiet);
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .02em;
  margin: 0;
}
.site-footer nav { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; }
@media (min-width: 600px) { .site-footer nav { gap: var(--space-2); } }
.site-footer nav a {
  color: var(--fg-muted);
  min-height: var(--tap-target);
  display: inline-flex;
  align-items: center;
  font-size: .92rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color .2s ease, background .2s ease;
}
@media (hover: hover) and (pointer: fine) {
  .site-footer nav a:hover { color: var(--fg); background: rgba(235, 240, 248, 0.05); }
}

/* ---------- Static legal pages ---------- */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding-block: clamp(var(--space-6), 5vw, var(--space-12));
  padding-left:  max(var(--gutter-x), var(--sa-left));
  padding-right: max(var(--gutter-x), var(--sa-right));
}
.legal h1 {
  font-size: clamp(1.5rem, 4vw + .25rem, 2.4rem);
  line-height: 1.1;
  margin-bottom: var(--space-2);
}
.legal p.updated { color: var(--fg-quiet); margin: 0 0 var(--space-6); font-size: .9rem; }
@media (min-width: 600px) { .legal p.updated { margin-bottom: var(--space-8); font-size: .92rem; } }
.legal h2 {
  font-size: clamp(1.15rem, 1vw + 1rem, 1.35rem);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--accent);
  line-height: 1.25;
}
@media (min-width: 600px) { .legal h2 { margin-top: var(--space-8); } }
.legal h3 { font-size: 1.05rem; margin-top: var(--space-5); margin-bottom: var(--space-2); }
.legal p, .legal li { color: var(--fg-muted); }
.legal strong { color: var(--fg); }
.legal ul { padding-left: var(--space-5); }
.legal a { color: var(--accent); }
.contact-card {
  position: relative;
  margin-top: var(--space-6); padding: var(--space-5);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(0,224,255,0.10), rgba(60,186,255,0.04));
  border: 1px solid rgba(0, 224, 255, 0.20);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.20),
    0 0 0 1px rgba(0, 224, 255, 0.08) inset,
    0 0 60px rgba(0, 224, 255, 0.06);
  isolation: isolate;
}
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 40%);
  pointer-events: none;
  z-index: -1;
}
@media (min-width: 600px) { .contact-card { margin-top: var(--space-8); padding: var(--space-6); } }
.contact-card .email-link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: 1.1rem; font-weight: 600;
  margin-top: var(--space-3);
  word-break: break-all; /* long mailto on 320px doesn't overflow */
  min-height: var(--tap-target);
}
@media (min-width: 600px) { .contact-card .email-link { font-size: 1.2rem; word-break: normal; } }

/* ---------- Section dividers ---------- */
/* Subtle gradient-rule between major sections (mirrors the app's section-break
   feel where rooms separate with a thin accent line). Use as <hr class="section-divider"> */
.section-divider {
  border: 0;
  height: 1px;
  margin: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 224, 255, 0.18), transparent);
  opacity: .4;
}

/* ---------- Scroll-reveal (fade-up on enter viewport) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s cubic-bezier(.25, .8, .25, 1), transform .7s cubic-bezier(.25, .8, .25, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-glow { animation: none; }
  .eyebrow::before { animation: none; }
  .btn:hover,
  .feature:hover,
  .brand:hover img,
  .site-nav a:hover { transform: none; }
  .feature, .feature-icon, .brand img, .site-nav a, .btn { transition: none; }
}