:root {
  --bg: #ffffff;
  --bg-soft: #f7faff;
  --bg-elev: rgba(255,255,255,0.7);
  --text: #0b1220;
  --text-soft: #4b5872;
  --text-mute: #7b8699;
  --line: rgba(20, 40, 90, 0.08);
  --line-2: rgba(20, 40, 90, 0.14);
  --card: rgba(255,255,255,0.65);
  --card-border: rgba(255,255,255,0.9);
  --shadow-sm: 0 1px 2px rgba(16,32,70,0.04), 0 2px 8px rgba(16,32,70,0.04);
  --shadow-md: 0 4px 12px rgba(16,32,70,0.06), 0 16px 40px rgba(16,32,70,0.06);
  --shadow-lg: 0 10px 30px rgba(16,32,70,0.08), 0 30px 80px rgba(16,32,70,0.08);
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --accent: #4285F4;
  --accent-2: #1a73e8;
  --accent-grad: linear-gradient(135deg, #4285F4 0%, #1a73e8 100%);
  --accent-grad-hover: linear-gradient(135deg, #5a95f5 0%, #2d82ef 100%);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --font-display: "Plus Jakarta Sans", "Inter", -apple-system, system-ui, sans-serif;
  --font-body: "Inter", -apple-system, system-ui, sans-serif;
  --blob-opacity: 0.55;
  --blob-speed: 1;
  --space-scale: 1;
  --hero-size: 1;
}

[data-theme="dark"] {
  --bg: #060914;
  --bg-soft: #0a1024;
  --bg-elev: rgba(12,18,36,0.6);
  --text: #eef2ff;
  --text-soft: #b2bddb;
  --text-mute: #7e8aae;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);
  --card: rgba(18,24,46,0.55);
  --card-border: rgba(255,255,255,0.08);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3), 0 16px 40px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.35), 0 30px 80px rgba(0,0,0,0.35);
  --blob-opacity: 0.35;
}

[data-font="serif"] {
  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, system-ui, sans-serif;
}
[data-font="mono"] {
  --font-display: "JetBrains Mono", "Menlo", monospace;
  --font-body: "JetBrains Mono", "Menlo", monospace;
}
[data-font="geometric"] {
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
}

[data-accent="violet"] {
  --accent: #7c6cff;
  --accent-2: #5b4ce0;
  --accent-grad: linear-gradient(135deg, #8a7cff 0%, #5b4ce0 100%);
  --accent-grad-hover: linear-gradient(135deg, #9e92ff 0%, #6e5fec 100%);
}
[data-accent="cyan"] {
  --accent: #06b6d4;
  --accent-2: #0e7490;
  --accent-grad: linear-gradient(135deg, #22d3ee 0%, #0891b2 100%);
  --accent-grad-hover: linear-gradient(135deg, #3ee1ef 0%, #14a4c4 100%);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  line-height: 1.55;
}
[dir="rtl"] body { direction: rtl; }

/* ============ Animated background ============ */
.bg-stage {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(1200px 800px at 10% -10%, #eef4ff 0%, transparent 60%),
    radial-gradient(1000px 700px at 110% 10%, #f0f6ff 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f7faff 60%, #ffffff 100%);
}
[data-theme="dark"] .bg-stage {
  background:
    radial-gradient(1200px 800px at 10% -10%, #0f1530 0%, transparent 60%),
    radial-gradient(1000px 700px at 110% 10%, #0a1226 0%, transparent 60%),
    linear-gradient(180deg, #060914 0%, #0a1024 60%, #060914 100%);
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: var(--blob-opacity);
  will-change: transform;
  mix-blend-mode: normal;
}
.blob.b1 { width: 720px; height: 720px; left: -200px; top: -160px; background: radial-gradient(circle at 30% 30%, #c7dcff, #e8f0ff 70%, transparent); animation: float1 calc(30s / var(--blob-speed)) ease-in-out infinite; }
.blob.b2 { width: 620px; height: 620px; right: -140px; top: 6%; background: radial-gradient(circle at 30% 30%, #d8e4ff, #f0f5ff 70%, transparent); animation: float2 calc(40s / var(--blob-speed)) ease-in-out infinite; }
.blob.b3 { width: 820px; height: 820px; left: 15%; bottom: -260px; background: radial-gradient(circle at 30% 30%, #bbd1ff, #dfe9ff 70%, transparent); animation: float3 calc(50s / var(--blob-speed)) ease-in-out infinite; }
.blob.b4 { width: 500px; height: 500px; right: 10%; bottom: 10%; background: radial-gradient(circle at 30% 30%, #cfe0ff, #edf3ff 70%, transparent); animation: float4 calc(36s / var(--blob-speed)) ease-in-out infinite; }
[data-theme="dark"] .blob.b1 { background: radial-gradient(circle at 30% 30%, #2a3f7a, #1a2550 70%, transparent); }
[data-theme="dark"] .blob.b2 { background: radial-gradient(circle at 30% 30%, #3a2f7a, #1e1a4a 70%, transparent); }
[data-theme="dark"] .blob.b3 { background: radial-gradient(circle at 30% 30%, #1f3a8a, #0e1a50 70%, transparent); }
[data-theme="dark"] .blob.b4 { background: radial-gradient(circle at 30% 30%, #2a4aa0, #101a44 70%, transparent); }

@keyframes float1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(80px,60px) scale(1.06); }
  66% { transform: translate(-40px,100px) scale(0.95); }
}
@keyframes float2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-120px,80px) scale(1.1); }
}
@keyframes float3 {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(120px,-80px) scale(1.08); }
}
@keyframes float4 {
  0%,100% { transform: translate(0,0) scale(1); }
  40% { transform: translate(-70px,-50px) scale(1.05); }
  80% { transform: translate(60px,40px) scale(0.98); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.8'/></svg>");
}
[data-theme="dark"] .grain { opacity: 0.06; mix-blend-mode: screen; }

/* ============ Layout ============ */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 calc(28px * var(--space-scale));
}

/* ============ Top bar ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(255,255,255,0.4));
  border-bottom: 1px solid var(--line);
}
[data-theme="dark"] .topbar {
  background: linear-gradient(180deg, rgba(10,14,28,0.7), rgba(10,14,28,0.4));
}
.topbar-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  height: 68px;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.brand-mark-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  justify-self: center;
  min-width: 0;
}
.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  border-radius: 10px;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-link:hover { background: var(--line); color: var(--text); transform: scale(1.02); }

.nav-install-btn {
  color: white;
  margin-left: 6px;
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--text-soft);
  transition: all 0.2s;
}
.icon-btn:hover { background: var(--line); color: var(--text); border-color: var(--line-2); transform: scale(1.02); }
.icon-btn svg { width: 18px; height: 18px; }

.google-signin-slot {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
}

.auth-status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
}

.auth-banner {
  padding-top: 16px;
}

.auth-banner-card {
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(234, 179, 8, 0.28);
  background: rgba(250, 204, 21, 0.12);
  color: var(--text);
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}

.pricing-notice {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(234, 179, 8, 0.28);
  background: rgba(250, 204, 21, 0.12);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
  text-align: start;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(10, 18, 32, 0.46);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-card {
  width: min(100%, 520px);
  border-radius: 22px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

[data-theme="dark"] .modal-card {
  background: rgba(10, 16, 36, 0.98);
}

.modal-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.1;
}

.modal-body {
  margin: 0 0 20px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.65;
  max-width: 420px;
}

.modal-card .btn {
  width: auto;
  min-width: 120px;
  align-self: center;
  justify-content: center;
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
}

.modal-actions .btn {
  min-width: 136px;
}

.modal-actions-compact .btn {
  min-width: 68px;
  padding-inline: 11px;
}

.account-shell {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.account-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 6px 10px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.account-trigger:hover {
  border-color: var(--line-2);
  transform: scale(1.02);
}

.account-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.account-avatar-fallback {
  display: inline-grid;
  place-items: center;
  background: var(--accent-grad);
  color: white;
  font-size: 13px;
  font-weight: 700;
}

.account-chevron {
  width: 14px;
  height: 14px;
  color: var(--text-soft);
}

.account-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 240px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.94);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

[data-theme="dark"] .account-menu {
  background: rgba(10,14,28,0.92);
}

.account-menu-name {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.account-menu-email {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  word-break: break-word;
}

.account-menu-action {
  width: 100%;
  margin-top: 14px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.account-menu-action:hover {
  background: var(--line);
  transform: scale(1.02);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn[data-fit-button-group] {
  min-width: 0;
  max-width: 100%;
  line-height: 1.15;
}
.btn-primary {
  background: var(--accent-grad);
  color: white;
  box-shadow: 0 6px 18px rgba(66,133,244,0.3), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn-primary:hover {
  background: var(--accent-grad-hover);
  box-shadow: 0 10px 26px rgba(66,133,244,0.4), inset 0 1px 0 rgba(255,255,255,0.3);
  transform: translateY(-1px) scale(1.02);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(66,133,244,0.3); }
.btn-ghost {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--line); border-color: var(--line-2); transform: translateY(-1px) scale(1.02); }
.btn-pricing-cta {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}
.btn-pricing-cta:hover:not(:disabled) {
  background: var(--accent-grad-hover);
  color: white;
  border-color: transparent;
  box-shadow: 0 10px 26px rgba(66,133,244,0.4), inset 0 1px 0 rgba(255,255,255,0.3);
  transform: translateY(-1px) scale(1.02);
}
.btn-pricing-cta:disabled {
  cursor: default;
  opacity: 0.7;
}
.payg-action-btn {
  width: 100%;
  box-sizing: border-box;
  will-change: transform, box-shadow;
}
.payg-action-btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.98);
  transition-duration: 0.05s;
}
.btn-pricing-cta.payg-action-btn:active:not(:disabled) {
  box-shadow: 0 4px 12px rgba(66,133,244,0.24), inset 0 2px 7px rgba(0,0,0,0.14);
}
.btn-ghost.payg-action-btn:active:not(:disabled) {
  background: var(--line-2);
  box-shadow: inset 0 2px 7px rgba(0,0,0,0.08);
}
.btn-lg { padding: 16px 18px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 8px 9px; font-size: 13px; border-radius: 9px; }
.btn svg { width: 16px; height: 16px; }

/* ============ Kicker / section ============ */
.section {
  padding: calc(120px * var(--space-scale)) 0;
  position: relative;
}
.section[id],
#install {
  scroll-margin-top: 92px;
}
.section-sm { padding: calc(72px * var(--space-scale)) 0; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--bg-elev);
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.kicker:hover { transform: scale(1.02); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 18px 0 14px;
  font-weight: 700;
}
.section-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 auto;
}
.section-head { text-align: center; margin-bottom: 64px; }

/* ============ Fade-up observer ============ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.9s cubic-bezier(.2,.7,.2,1), transform 0.9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.no-anim .reveal { opacity: 1; transform: none; }

/* ============ Cards ============ */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px) scale(1.02);
  border-color: rgba(66,133,244,0.25);
}

/* ============ Footer ============ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  margin-top: 80px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom-single {
  min-height: 40px;
}

.footer-left-group {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-size: 16px;
}

.footer-legal {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.footer-legal a {
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.2s, transform 0.2s ease;
  display: inline-flex;
}

.footer-legal a:hover {
  color: var(--accent);
  transform: scale(1.02);
}

.footer-support-link {
  color: var(--accent-2);
  text-decoration: none;
  transition: color 0.2s, transform 0.2s ease;
  display: inline-flex;
}

.footer-support-link:hover {
  color: var(--accent);
  transform: scale(1.02);
}

.footer-trademark {
  margin-top: 18px;
  text-align: center;
  color: var(--text-mute);
  font-size: 12px;
  line-height: 1.6;
}

/* ============ Settings dropdown ============ */
.lang-selector {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
}

.lang-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: transform 0.18s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.settings-icon-image {
  width: 22px;
  height: 22px;
  display: block;
  fill: #2196f3;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: center;
}

.lang-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .lang-btn:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
}

.lang-btn:hover .settings-icon-image {
  transform: rotate(180deg);
}

.lang-btn:active {
  transform: translateY(0);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 220;
  width: 248px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-elev);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transform-origin: top right;
  transform: scale(0) translate(8px, -8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

[data-theme="dark"] .lang-dropdown {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
}

.lang-dropdown.show {
  transform: scale(1) translate(0, 0);
  opacity: 1;
  pointer-events: auto;
}

.lang-dropdown-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lang-dropdown-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin-bottom: 0;
}

.lang-dropdown-divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
  margin: 12px 0;
}

[data-theme="dark"] .lang-dropdown-divider {
  background: rgba(255, 255, 255, 0.12);
}

.theme-switcher-container {
  width: 100%;
  display: flex;
  justify-content: center;
}

.settings-segmented-control {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-radius: 12px;
  padding: 3px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.settings-segmented-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc((100% - 6px) / 3);
  height: calc(100% - 6px);
  border-radius: 9px;
  background: var(--bg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease;
}

.settings-segmented-thumb--light {
  transform: translateX(0%);
}

.settings-segmented-thumb--dark {
  transform: translateX(100%);
}

.settings-segmented-thumb--system {
  transform: translateX(200%);
}

.settings-segmented-option {
  position: relative;
  z-index: 1;
  appearance: none;
  border: none;
  background: transparent;
  width: 100%;
  min-height: 36px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}

.settings-segmented-option:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.settings-segmented-option.active {
  color: var(--text);
}

.settings-segmented-option svg {
  width: 18px;
  height: 18px;
  display: block;
}

.settings-segmented-option path {
  fill: currentColor;
}

.settings-language {
  position: relative;
}

.settings-language-trigger {
  width: 100%;
  border: none;
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--text);
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.settings-language-trigger:hover {
  background: var(--line);
}

.settings-language-arrow {
  font-size: 10px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.settings-language.is-open .settings-language-arrow {
  transform: rotate(180deg);
}

.settings-language-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 100%;
  max-height: 236px;
  overflow-y: auto;
  border-radius: 8px;
  background: var(--bg-elev);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
  overflow-x: hidden;
  transform-origin: top center;
  transform: scaleY(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.18s ease;
  z-index: 2;
}

[data-theme="dark"] .settings-language-menu {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
}

.settings-language.is-open .settings-language-menu {
  transform: scaleY(1);
  opacity: 1;
  pointer-events: auto;
}

.settings-language-option {
  appearance: none;
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 8px 10px;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.settings-language-option:hover {
  background: var(--bg-soft);
}

.settings-language-option.is-active {
  color: var(--accent-2);
  font-weight: 600;
}

/* ============ Tweaks panel ============ */
.tweaks-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 280px;
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  z-index: 60;
  font-size: 13px;
  display: none;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.tweaks-panel.open { display: block; }
[dir="rtl"] .tweaks-panel { right: auto; left: 20px; }
.tweaks-h {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  margin: 0 0 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tweak-row { margin-bottom: 14px; }
.tweak-row label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.tweak-row input[type="range"] { width: 100%; accent-color: var(--accent); }
.tweaks-seg {
  display: flex;
  gap: 4px;
  background: var(--bg-soft);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.tweaks-seg button {
  flex: 1;
  padding: 6px;
  font-size: 11px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-soft);
}
.tweaks-seg button.active { background: var(--bg); color: var(--text); box-shadow: var(--shadow-sm); }

/* ============ Device mockup shared ============ */
.sidebar-mock {
  width: 300px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(16,32,70,0.18), 0 8px 24px rgba(16,32,70,0.08);
  border: 1px solid rgba(255,255,255,0.9);
  overflow: hidden;
  font-family: -apple-system, system-ui, sans-serif;
  color: #111;
}
.sidebar-mock-head {
  padding: 12px 16px;
  background: #eef1f7;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: #222;
}
.sidebar-mock-body { padding: 18px; }
.sidebar-mock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  padding: 10px 0 16px;
  border-bottom: 1px solid #eee;
}
.sidebar-mock-logo-image {
  width: 26px;
  height: 26px;
  display: block;
}
.sidebar-mock-field { margin-top: 14px; }
.sidebar-mock-field .lab { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: #666; margin-bottom: 4px; }
.sidebar-mock-field .inp { padding: 8px 12px; border: 1px solid #d5d9e2; border-radius: 6px; font-size: 12px; background: white; display:flex; justify-content:space-between; align-items:center; }
.sidebar-mock-field .inp svg { width: 10px; height: 10px; color: #888; }
.sidebar-pill {
  margin: 10px 0 14px;
  padding: 10px 12px;
  background: #ecf7ed;
  border-radius: 8px;
  font-size: 11px;
}
.sidebar-pill-label { display: inline-block; background: #2e7d32; color: white; font-size: 9px; font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-bottom: 6px; }
.sidebar-pill-row { display: flex; justify-content: space-between; color: #333; padding: 2px 0; font-size: 11px; }
.sidebar-mock-btn {
  padding: 10px; text-align: center; border-radius: 6px; font-size: 12px; font-weight: 600; margin-top: 14px;
}
.sidebar-mock-btn.primary { background: var(--accent-grad); color: white; }
.sidebar-mock-btn.secondary { background: #f3f4f6; color: #333; border: 1px solid #e5e7eb; margin-top: 8px; }

.slide-card {
  aspect-ratio: 16/9;
  background: white;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(16,32,70,0.15), 0 4px 12px rgba(16,32,70,0.05);
  border: 1px solid rgba(255,255,255,0.9);
  padding: 28px;
  overflow: hidden;
  position: relative;
  font-family: -apple-system, system-ui, sans-serif;
  color: #111;
}
.slide-card .kicker-chip { display:inline-block; font-size:10px; font-weight:700; letter-spacing:0.08em; color:#1a73e8; padding: 3px 8px; border-radius: 999px; background: #e8f0fe; margin-bottom: 12px; }
.slide-card h3 { margin: 0 0 8px; font-family: "Plus Jakarta Sans", "Inter", sans-serif; font-size: 22px; letter-spacing: -0.02em; line-height: 1.15; font-weight: 700; }
.slide-card p { margin: 0 0 10px; font-size: 11px; color: #4a5670; line-height: 1.5; }
.slide-card .bullet { display:flex; gap:8px; align-items:flex-start; font-size: 10px; color: #3a4258; margin-bottom: 4px; }
.slide-card .bullet::before { content:""; width: 5px; height: 5px; background: #4285F4; border-radius:50%; margin-top: 5px; flex-shrink: 0; }
.slide-chart { position:absolute; right: 20px; bottom: 18px; display:flex; gap:4px; align-items:flex-end; height: 40px; }
.slide-chart span { width: 6px; background: linear-gradient(180deg, #60a5fa, #1a73e8); border-radius: 2px; }

/* RTL flipping */
[dir="rtl"] .tweaks-panel { right: auto; left: 20px; }

/* Hero grid */
.hero-grid {
  display: grid !important;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center !important;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-collage { transform: scale(0.95); transform-origin: top center; }
}

/* ========= Slide carousel ========= */
.hero-collage { width: 100%; }
.slide-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.slide-carousel-viewport {
  position: absolute;
  inset: 0;
  overflow: visible; /* allow next cell to appear from right side */
}
.slide-carousel-filmstrip {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  will-change: transform;
}
.slide-carousel-cell {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  will-change: opacity;
}
.slide-carousel-layer {
  position: absolute;
  inset: 0;
  will-change: opacity;
}
.slide-carousel-dots {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 3;
}
.slide-carousel-dots .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-mute);
  opacity: 0.35;
  transition: all 0.4s;
}
.slide-carousel-dots .dot.active {
  opacity: 1;
  width: 22px;
  border-radius: 3px;
  background: var(--accent);
}

/* ========= Demo slide (16:9) ========= */
.demo-slide {
  position: relative;
  width: 100%;
  height: 100%;
  background: white;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(16,32,70,0.16), 0 8px 24px rgba(16,32,70,0.06);
  border: 1px solid rgba(255,255,255,0.9);
  overflow: hidden;
  box-sizing: border-box;
}
[data-theme="dark"] .demo-slide {
  background: #fafbff;
}
.demo-slide-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.demo-slide-placeholder-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 9px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: rgba(0,0,0,0.28);
  background: rgba(0,0,0,0.04);
  border: 1px dashed rgba(0,0,0,0.18);
  padding: 4px 8px;
  border-radius: 999px;
  z-index: 2;
}
.demo-slide-kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--slide-accent) 12%, white);
  color: var(--slide-accent);
  margin-bottom: 14px;
}
.demo-slide-title {
  margin: 0 0 10px;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: clamp(18px, 2.6vw, 32px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
  max-width: 72%;
}
.demo-slide-body {
  margin: 0 0 14px;
  font-size: clamp(11px, 1.2vw, 14px);
  color: #4a5670;
  line-height: 1.5;
  max-width: 62%;
}
.demo-slide-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 62%;
}
.demo-slide-bullets li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(10px, 1.1vw, 13px);
  color: #3a4258;
  padding: 3px 0;
}
.demo-slide-bullets li::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--slide-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.demo-slide-chart {
  position: absolute;
  right: 7%;
  bottom: 8%;
  display: flex;
  gap: 5px;
  align-items: flex-end;
  height: 30%;
}
.demo-slide-chart span {
  width: clamp(6px, 0.9vw, 10px);
  background: linear-gradient(180deg, color-mix(in oklab, var(--slide-accent) 50%, white), var(--slide-accent));
  border-radius: 3px;
  opacity: 0.9;
}
.demo-slide-ribbon {
  position: absolute;
  bottom: 10px;
  left: 14px;
  font-size: 9px;
  letter-spacing: 0.18em;
  font-weight: 800;
  color: var(--slide-accent);
  opacity: 0.6;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-collage { transform: none; }
}

/* small-screen adjustments */
@media (max-width: 860px) {
  .topbar-inner {
    grid-template-columns: auto 1fr auto;
  }
  .nav-links .nav-link { display: none; }
  .nav-links .nav-link.keep { display: inline-flex; }
  .nav-links {
    justify-self: end;
  }
  .footer-bottom-single {
    justify-content: flex-start;
  }
  .footer-legal {
    width: 100%;
  }
  .tweaks-panel { width: calc(100vw - 40px); max-width: 320px; }
}

/* Legal pages */
.legal-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 28px 80px;
}
.legal-wrap h1 {
  font-family: var(--font-display);
  font-size: 44px;
  letter-spacing: -0.02em;
  margin: 20px 0 8px;
}
.legal-wrap h2 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 36px 0 10px;
  letter-spacing: -0.01em;
}
.legal-wrap p, .legal-wrap li {
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 15.5px;
}
.legal-wrap .meta {
  color: var(--text-mute);
  font-size: 14px;
  margin-bottom: 32px;
}
.support-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 24px 0 12px;
}
.support-faq-list {
  display: grid;
  gap: 4px;
}
.support-faq-item h2 {
  margin-top: 28px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.2s ease, color 0.2s ease;
}
.back-link:hover { text-decoration: underline; transform: scale(1.02); }