/* =========================================================
   DeepSeek Usage Monitor — landing styles
   ========================================================= */

/* ===== Reset & base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* DeepSeek-ish palette */
  --ds-blue: #4d6bfe;
  --ds-blue-light: #7b8fff;
  --ds-blue-dark: #3a52d9;
  --ds-blue-bg: rgba(77, 107, 254, .12);
  --ds-green: #22c55e;
  --ds-orange: #f59e0b;
  --ds-red: #ef4444;

  --bg: #08080c;
  --bg-alt: #0c0c13;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .06);
  --border: rgba(255, 255, 255, .08);
  --border-strong: rgba(255, 255, 255, .14);

  --fg: #ececf1;
  --fg-muted: #a1a1b0;
  --fg-dim: #74748a;

  --radius: 14px;
  --radius-lg: 22px;
  --max-width: 1160px;
  --nav-h: 68px;
}

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* UI chrome should never look like selectable text.
   !important also beats the components that set `user-select: auto` internally. */
nav, footer, .btn, .hero-badge, .section-label, .mobile-toggle,
.lang-switch, .go-to-top, .feature-icon, .badge-demo, .budget-pct,
.step-num, .nav-brand img, .stat strong, .bar, .bar-fill, .bar-warn {
  -webkit-user-select: none !important;
  user-select: none !important;
  cursor: default;
}

.btn, .lang-btn, .mobile-toggle, .go-to-top, .lang-menu a, .nav-cta, nav a, footer a {
  cursor: pointer;
}

a { color: var(--ds-blue-light); text-decoration: none; transition: color .2s; }
a:hover { color: #a3b1ff; }

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

code {
  font-family: 'Fira Code', ui-monospace, monospace;
  font-size: .9em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  color: #c9d1ff;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  position: relative;
  z-index: 1;
}
.container-narrow { max-width: 820px; }

/* ===== Background decoration ===== */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(600px 400px at 15% -5%, rgba(77, 107, 254, .22), transparent 70%),
    radial-gradient(700px 500px at 90% 8%, rgba(139, 92, 246, .16), transparent 70%),
    radial-gradient(500px 400px at 50% 100%, rgba(77, 107, 254, .10), transparent 70%);
}
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 100%);
}

/* ===== Language switcher ===== */
.nav-side {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch { position: relative; }

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 10px;
  border-radius: 9px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font: inherit;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: background .2s, border-color .2s, color .2s;
}
.lang-btn svg { width: 15px; height: 15px; }
.lang-btn:hover,
.lang-btn[aria-expanded="true"] {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--fg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  max-height: min(70vh, 420px);
  overflow-y: auto;
  padding: 6px;
  border-radius: 12px;
  background: #0e0e16;
  border: 1px solid var(--border-strong);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .95);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .18s, transform .18s, visibility .18s;
  z-index: 120;
}
.lang-switch.open .lang-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.lang-menu a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .875rem;
  color: var(--fg-muted) !important;
}
.lang-menu a:hover {
  background: var(--surface-2);
  color: var(--fg) !important;
}
.lang-menu a.active {
  background: var(--ds-blue-bg);
  color: #b9c3ff !important;
  font-weight: 600;
}

.lang-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 200;
  max-width: min(92vw, 560px);
  padding: 12px 18px;
  border-radius: 10px;
  background: #14141f;
  border: 1px solid var(--border-strong);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, .9);
  font-size: .8125rem;
  color: var(--fg-muted);
  text-align: center;
}

/* ===== Nav ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(8, 8, 12, .72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(8, 8, 12, .9);
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
  letter-spacing: -.01em;
  white-space: nowrap;
}
.nav-brand img {
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--fg-muted);
  font-size: .875rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--fg); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 9px;
  background: var(--ds-blue);
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(77, 107, 254, .35);
  transition: background .2s, transform .2s;
}
.nav-cta:hover { background: var(--ds-blue-dark); transform: translateY(-1px); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.mobile-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 11px;
  font-size: .9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s, border-color .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ds-blue);
  color: #fff;
  box-shadow: 0 8px 28px rgba(77, 107, 254, .35);
}
.btn-primary:hover {
  background: var(--ds-blue-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(77, 107, 254, .45);
}
.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--fg);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: rgba(255, 255, 255, .26);
  color: var(--fg);
  transform: translateY(-2px);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  z-index: 1;
  padding: calc(var(--nav-h) + 72px) 0 96px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 64px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: #b9c3ff;
  background: var(--ds-blue-bg);
  border: 1px solid rgba(77, 107, 254, .28);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ds-green);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .16);
}

.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.035em;
  margin-bottom: 22px;
}
.grad {
  background: linear-gradient(100deg, #7b8fff 0%, #4d6bfe 45%, #8b5cf6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero-points {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 26px;
  font-size: .875rem;
  color: var(--fg-muted);
}
.hero-points li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.hero-points li::before {
  content: '';
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--ds-green) center/10px no-repeat
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2308080c' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

/* ===== Hero visual (browser frame) ===== */
.hero-visual { display: flex; justify-content: center; }

.browser-frame {
  width: 100%;
  max-width: 432px;
  border-radius: var(--radius-lg);
  background: #101018;
  border: 1px solid var(--border-strong);
  box-shadow:
    0 40px 90px -30px rgba(0, 0, 0, .85),
    0 0 0 1px rgba(255, 255, 255, .03) inset,
    0 0 90px -20px rgba(77, 107, 254, .30);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform .5s ease;
}
.browser-frame:hover {
  transform: perspective(1400px) rotateY(0deg) rotateX(0deg);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 12px;
  background: #15151f;
  border-bottom: 1px solid var(--border);
}
.traffic {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
}
.traffic:nth-child(1) { background: #ff5f57; }
.traffic:nth-child(2) { background: #febc2e; }
.traffic:nth-child(3) { background: #28c840; }

.url-bar {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  padding: 5px 10px;
  border-radius: 7px;
  background: rgba(255, 255, 255, .05);
  font-family: 'Fira Code', monospace;
  font-size: .68rem;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
}
.badge-demo {
  flex: 0 0 auto;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--ds-red);
  color: #fff;
  font-size: .62rem;
  font-weight: 700;
  line-height: 1.5;
}
.ext-icon { border-radius: 5px; flex: 0 0 auto; }

.popup-wrap {
  max-height: 604px;
  overflow: hidden;
  background: #0f0f17;
}
.popup-wrap img { width: 100%; }

/* ===== Sections ===== */
.section { padding: 96px 0; position: relative; z-index: 1; }
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .015) 12%, rgba(255, 255, 255, .015) 88%, transparent);
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}
.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: #9fadff;
  background: var(--ds-blue-bg);
  border: 1px solid rgba(77, 107, 254, .22);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(1.85rem, 3.8vw, 2.6rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.025em;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.feature-card {
  padding: 28px 26px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform .25s, border-color .25s, background .25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 107, 254, .38);
  background: rgba(77, 107, 254, .055);
}
.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ds-blue-bg);
  border: 1px solid rgba(77, 107, 254, .22);
  color: #9fadff;
  margin-bottom: 18px;
}
.feature-icon svg { width: 21px; height: 21px; }
.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.feature-card p { font-size: .9rem; color: var(--fg-muted); }

/* ===== Split (budgets) ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-text .section-label { margin-bottom: 18px; }
.split-text .section-title { text-align: left; }
.split-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  margin-bottom: 26px;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: .9375rem;
  color: #d3d3e0;
}
.check-list li::before {
  content: '';
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--ds-blue) center/11px no-repeat
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.stat {
  padding: 16px 14px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
}
.stat strong {
  display: block;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ds-green);
}
.stat span { font-size: .72rem; color: var(--fg-dim); }
.stat-danger strong { color: var(--ds-red); }

/* Budget cards */
.split-visual { display: grid; gap: 14px; }

.budget-card {
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color .25s;
}
.budget-card:hover { border-color: var(--border-strong); }
.budget-card.muted { opacity: .55; }

.budget-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.budget-title {
  font-family: 'Fira Code', monospace;
  font-size: .8rem;
  color: #cfd3e6;
}
.budget-pct {
  font-family: 'Fira Code', monospace;
  font-size: .84rem;
  font-weight: 700;
  color: var(--fg-dim);
}
.budget-pct.ok { color: var(--ds-green); }
.budget-pct.danger { color: var(--ds-red); }

.bar {
  position: relative;
  height: 8px;
  border-radius: 100px;
  background: rgba(255, 255, 255, .07);
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  border-radius: 100px;
  background: var(--ds-blue);
  transition: width .6s ease;
}
.bar-fill.ok { background: linear-gradient(90deg, #16a34a, #22c55e); }
.bar-fill.danger { background: linear-gradient(90deg, #dc2626, #ef4444); }
.bar-warn {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 2px;
  background: rgba(255, 255, 255, .45);
  border-radius: 2px;
}
.budget-note {
  margin-top: 9px;
  font-family: 'Fira Code', monospace;
  font-size: .72rem;
  color: var(--fg-dim);
}

/* ===== Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.step-num {
  font-family: 'Fira Code', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: rgba(77, 107, 254, .55);
  display: block;
  margin-bottom: 12px;
  letter-spacing: -.03em;
}
.step h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 7px;
}
.step p { font-size: .9rem; color: var(--fg-muted); }

/* ===== Screenshots ===== */
.shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.shot {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.shot:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 107, 254, .35);
  box-shadow: 0 24px 60px -28px rgba(77, 107, 254, .55);
}
.shot-body {
  flex: 1 1 auto;
  height: 560px;
  overflow: hidden;
  background: #0a0a0f;
  border-bottom: 1px solid var(--border);
}
.shot-body img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.shot figcaption { padding: 20px 24px 24px; }
.shot figcaption h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 5px;
}
.shot figcaption p { font-size: .875rem; color: var(--fg-muted); }

/* ===== Privacy ===== */
.privacy-box {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(34, 197, 94, .08), rgba(77, 107, 254, .07));
  border: 1px solid rgba(34, 197, 94, .22);
  margin-bottom: 24px;
}
.privacy-icon {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(34, 197, 94, .14);
  border: 1px solid rgba(34, 197, 94, .28);
  color: #4ade80;
}
.privacy-icon svg { width: 26px; height: 26px; }
.privacy-box h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.privacy-box p { font-size: .9375rem; color: var(--fg-muted); }

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.privacy-item {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.privacy-item h4 {
  font-size: .9375rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #4ade80;
}
.privacy-item p { font-size: .84rem; color: var(--fg-muted); }

/* ===== FAQ ===== */
.faq {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0 22px;
  margin-bottom: 12px;
  transition: border-color .2s, background .2s;
}
.faq[open] { border-color: rgba(77, 107, 254, .3); background: rgba(77, 107, 254, .05); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-size: .9688rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  flex: 0 0 auto;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--fg-dim);
  transition: transform .2s;
}
.faq[open] summary::after { content: '−'; color: #9fadff; }
.faq p {
  padding: 0 0 20px;
  font-size: .9rem;
  color: var(--fg-muted);
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
  text-align: center;
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(77, 107, 254, .18), transparent 70%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-icon {
  margin: 0 auto 22px;
  border-radius: 18px;
  box-shadow: 0 14px 40px -10px rgba(77, 107, 254, .55), 0 0 0 1px rgba(255, 255, 255, .12);
}
.cta-section h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.025em;
  margin-bottom: 12px;
}
.cta-section p {
  color: var(--fg-muted);
  margin-bottom: 30px;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ===== Support ===== */
.support-section { text-align: center; }
.support-section h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.support-section p {
  color: var(--fg-muted);
  margin-bottom: 24px;
  font-size: .9688rem;
}

/* ===== Footer ===== */
footer {
  position: relative;
  z-index: 1;
  padding: 56px 0 32px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, .25);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand img { border-radius: 7px; }
footer p {
  font-size: .875rem;
  color: var(--fg-muted);
  max-width: 380px;
}
footer p.muted { color: var(--fg-dim); margin-top: 10px; font-size: .82rem; }
footer h4 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--fg-dim);
  margin-bottom: 14px;
}
footer a {
  display: block;
  font-size: .875rem;
  color: var(--fg-muted);
  margin-bottom: 8px;
}
footer a:hover { color: var(--fg); }
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--fg-dim);
  max-width: none;
}

/* ===== Go to top ===== */
.go-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(77, 107, 254, .9);
  border: 1px solid rgba(255, 255, 255, .14);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .25s, transform .25s, background .2s;
  box-shadow: 0 10px 30px -10px rgba(77, 107, 254, .8);
}
.go-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.go-to-top:hover { background: var(--ds-blue-dark); }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { order: -1; }
  .browser-frame { transform: none; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .privacy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-body { height: 460px; }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    background: #0a0a12;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 40px -20px rgba(0, 0, 0, .9);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: transform .28s ease, opacity .28s ease, visibility .28s;
  }
  .nav-links.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: 0; padding-top: 12px; }
  .nav-links a { display: block; padding: 14px 0; font-size: .95rem; }
  .nav-cta { text-align: center; padding: 11px 18px !important; }
  .mobile-toggle { display: flex; }

  .section { padding: 72px 0; }
  .shots { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 620px) {
  .hero { padding-top: calc(var(--nav-h) + 48px); padding-bottom: 64px; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { width: 100%; }
  .hero-points { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .privacy-box { flex-direction: column; padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; }
  .popup-wrap { max-height: 520px; }
  .shot-body { height: 420px; }
  .lang-menu { right: auto; left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}