/* ============================================================
   MONO TOOLS — Design System (Light & Vibrant)
   ============================================================ */

/* ---------- CSS Variables — Light (default) ---------- */
:root {
  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F7F8FA;
  --bg-subtle: #FAFAFA;
  /* very light neutral white, e.g. hero bg */
  --bg-ice: #EEEFF2;
  --bg-lavender: #F3F0FF;
  --bg-mint: #F0FDF6;
  --bg-warm: #FFF8F0;
  --bg-card: rgba(37, 99, 235, 0.04);
  --bg-card-hover: rgba(37, 99, 235, 0.08);

  /* Text */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;

  /* Accents */
  --accent-blue: #2563EB;
  --accent-purple: #7C3AED;
  --accent-cyan: #0891B2;
  --accent-green: #16A34A;
  --accent-pink: #DB2777;
  --accent-orange: #F97316;

  /* Gradients */
  --gradient-main: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --gradient-warm: linear-gradient(135deg, #2563EB 0%, #4F46E5 50%, #7C3AED 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.07), rgba(124, 58, 237, 0.05));
  --gradient-orange: linear-gradient(135deg, #F97316 0%, #EF4444 100%);

  /* Borders */
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.14);

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-card-hover: 0 4px 12px rgba(15, 23, 42, 0.08), 0 16px 40px rgba(37, 99, 235, 0.12);
  --shadow-glow-blue: 0 0 40px rgba(37, 99, 235, 0.2);
  --shadow-glow-purple: 0 0 40px rgba(124, 58, 237, 0.2);
  --shadow-glow-green: 0 0 40px rgba(22, 163, 74, 0.16);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Font */
  --font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';

  /* Typography scale — Major Third (×1.25) */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-lg: 1.125rem;
  /* 18px */
  --text-xl: 1.25rem;
  /* 20px */
  --text-2xl: 1.5rem;
  /* 24px */
  --text-3xl: 1.875rem;
  /* 30px */
  --text-4xl: 2.25rem;
  /* 36px */
  --text-5xl: 3rem;
  /* 48px */
  --text-6xl: 3.75rem;
  /* 60px */

  /* Line heights */
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Font weights */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* Container */
  --container-max: 1180px;
  --container-pad: clamp(1.25rem, 4vw, 2.25rem);

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- CSS Variables — Dark ---------- */
[data-theme="dark"] {
  /* Backgrounds */
  --bg-primary: #090C12;
  --bg-secondary: #10141E;
  --bg-subtle: #090C12;
  --bg-ice: #0E1622;
  --bg-lavender: #110E1F;
  --bg-mint: #0A1610;
  --bg-warm: #15100A;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  /* Text */
  --text-primary: #E8EAF2;
  --text-secondary: rgba(232, 234, 242, 0.60);
  --text-muted: rgba(232, 234, 242, 0.35);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.25), 0 4px 16px rgba(0, 0, 0, 0.20);
  --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.35), 0 16px 40px rgba(0, 0, 0, 0.30);
  --shadow-glow-blue: 0 0 40px rgba(37, 99, 235, 0.30);
  --shadow-glow-purple: 0 0 40px rgba(124, 58, 237, 0.30);
  --shadow-glow-green: 0 0 40px rgba(22, 163, 74, 0.22);

  /* Gradient-subtle needs lighter values to show on dark bg */
  --gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(124, 58, 237, 0.08));
}

/* ---------- Auto dark via system preference ----------
   Applies dark tokens unless the user has explicitly chosen light.  */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #090C12;
    --bg-secondary: #10141E;
    --bg-subtle: #090C12;
    --bg-ice: #0E1622;
    --bg-lavender: #110E1F;
    --bg-mint: #0A1610;
    --bg-warm: #15100A;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #E8EAF2;
    --text-secondary: rgba(232, 234, 242, 0.60);
    --text-muted: rgba(232, 234, 242, 0.35);
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-medium: rgba(255, 255, 255, 0.12);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.25), 0 4px 16px rgba(0, 0, 0, 0.20);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.35), 0 16px 40px rgba(0, 0, 0, 0.30);
    --shadow-glow-blue: 0 0 40px rgba(37, 99, 235, 0.30);
    --shadow-glow-purple: 0 0 40px rgba(124, 58, 237, 0.30);
    --shadow-glow-green: 0 0 40px rgba(22, 163, 74, 0.22);
    --gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(124, 58, 237, 0.08));
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  overflow-x: clip;
}

html,
body {
  -ms-overflow-style: none !important;
  scrollbar-width: none !important;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

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

img,
video {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ---------- Utilities ---------- */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  transition: all 1s cubic-bezier(0.05, 1, 0.1, 1);
}

#navbar.scrolled {
  top: 12px;
}

/* Floating Groups — Liquid Glass container */
.nav-left,
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 100px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.08);
  transition: all 1s cubic-bezier(0.05, 1, 0.1, 1);
}

.nav-links:empty {
  display: none !important;
}

/* Layer 1: Blur + tint cover */
.lg-cover {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 100px;
  backdrop-filter: blur(3px) saturate(120%);
  -webkit-backdrop-filter: blur(3px) saturate(120%);
  background: rgba(255, 255, 255, 0.10);
  pointer-events: none;
}

/* Layer 3: Sharp edge highlight */
.lg-sharp {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: 100px;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.80),
    inset -1px -1px 0 rgba(255, 255, 255, 0.50);
  pointer-events: none;
}

/* Layer 4: Soft internal reflection */
.lg-reflect {
  position: absolute;
  inset: 1px;
  z-index: 2;
  border-radius: 100px;
  box-shadow:
    inset 2px 2px 8px rgba(255, 255, 255, 0.30),
    inset -2px -2px 6px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

/* Content sits above all glass layers */
.nav-left> :not(.lg-cover):not(.lg-sharp):not(.lg-reflect),
.nav-links> :not(.lg-cover):not(.lg-sharp):not(.lg-reflect) {
  position: relative;
  z-index: 4;
}

/* Dark mode glass layers */
[data-theme="dark"] .lg-cover {
  backdrop-filter: blur(3px) saturate(120%);
  -webkit-backdrop-filter: blur(3px) saturate(120%);
  background: rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] .lg-sharp {
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.18),
    inset -1px -1px 0 rgba(255, 255, 255, 0.10);
}

[data-theme="dark"] .lg-reflect {
  box-shadow:
    inset 2px 2px 8px rgba(255, 255, 255, 0.08),
    inset -2px -2px 6px rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .nav-brand .brand-mono {
  color: var(--text-primary);
}

[data-theme="dark"] .nav-link {
  color: var(--text-secondary);
}

[data-theme="dark"] .nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mono {
  color: var(--text-primary);
}

.brand-tools>span:nth-child(1) {
  color: #FF3B30;
}

.brand-tools>span:nth-child(2) {
  color: #FF9500;
}

.brand-tools>span:nth-child(3) {
  color: #FFCD00;
}

.brand-tools>span:nth-child(4) {
  color: #34C759;
}

.brand-tools>span:nth-child(5) {
  color: #007AFF;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link,
.nav-link:visited {
  color: var(--text-secondary);
}

.nav-link {
  padding: 7px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 100px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--accent-blue);
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 100px;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.35);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.45);
  background: #1D4ED8;
}

/* Apple icon — mask-based so it inherits currentColor */
.icon-apple {
  display: inline-block;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask: url(/assets/apple.svg) no-repeat center / contain;
  mask: url(/assets/apple.svg) no-repeat center / contain;
}

/* ============================================================
   SECTION COMPONENTS
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent-blue);
  color: white;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: 100px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.4);
  background: #1D4ED8;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 100px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
}

/* App Store button */
.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: var(--gradient-main);
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 16px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-appstore:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.45);
  filter: brightness(1.05);
}

.btn-appstore span {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.btn-appstore small {
  font-size: 0.65rem;
  font-weight: 500;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn-appstore.large {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: 18px;
}

/* ============================================================
   PRODUCT SECTION
   ============================================================ */
.section-products {
  padding: 120px 0 0;
}

.product-section {
  padding: 0 0 120px;
}

/* Product Hero */
.product-hero {
  padding: 80px 0;
  position: relative;
}

.product-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-purple), transparent);
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.monoflow-badge {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--accent-blue);
}

.product-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 12px;
  color: var(--text-primary);
  line-height: 1;
}

.product-tagline {
  font-size: 1.25rem;
  color: var(--accent-purple);
  font-weight: 600;
  margin-bottom: 20px;
}

.product-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.product-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-tag {
  padding: 5px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ============================================================
   WATERFALL LAYOUT
   ============================================================ */
.waterfall {
  padding: 40px 0;
}

.waterfall-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 32px;
  max-width: var(--container-max);
  margin: 0 auto;
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.waterfall-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.waterfall-item.reverse {
  direction: rtl;
}

.waterfall-item.reverse>* {
  direction: ltr;
}

/* Feature content */
.feature-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.feature-number {
  width: 30px;
  height: 30px;
  background: var(--gradient-main);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  color: white;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.ai-number {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
}

.feature-label span {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.feature-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
  margin-bottom: 18px;
}

.feature-desc {
  font-size: 0.9875rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 28px;
}

.feature-desc strong {
  color: var(--text-primary);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.feature-list li:hover {
  color: var(--text-primary);
}

.feature-list li svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

/* Media frames */
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  transition: var(--transition-slow);
}

.media-frame:hover {
  transform: translateY(-6px) scale(1.005);
  box-shadow: var(--shadow-card-hover);
}

.media-frame img {
  width: 100%;
  display: block;
}

.media-frame.glow-purple {
  box-shadow: var(--shadow-card), 0 0 36px rgba(124, 58, 237, 0.12);
}

.media-frame.glow-purple:hover {
  box-shadow: var(--shadow-card-hover), 0 0 60px rgba(124, 58, 237, 0.18);
}

.media-frame.glow-green {
  box-shadow: var(--shadow-card), 0 0 36px rgba(22, 163, 74, 0.1);
}

/* Privacy cards */
.privacy-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.privacy-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-mint);
  border: 1px solid rgba(22, 163, 74, 0.14);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.privacy-card:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: rgba(22, 163, 74, 0.3);
  box-shadow: 0 2px 12px rgba(22, 163, 74, 0.1);
}

.privacy-card svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

/* ============================================================
   DEMO SECTION
   ============================================================ */
.demo-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.demo-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-slow);
  box-shadow: var(--shadow-card);
}

.demo-card:hover {
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.demo-video-wrapper {
  position: relative;
  background: #1E3A5F;
  overflow: hidden;
}

.demo-video-wrapper video {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.demo-card-info {
  padding: 24px 28px;
}

.demo-card-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.demo-card-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   COMING SOON
   ============================================================ */
.section-coming-soon {
  padding: 100px 0;
  position: relative;
}

.section-coming-soon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--border-medium));
}

.coming-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.coming-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.coming-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: var(--transition);
}

.coming-card:hover::before {
  opacity: 1;
}

.coming-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.coming-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  position: relative;
}

.coming-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.monostep-icon {
  background: var(--bg-lavender);
  border: 1px solid rgba(124, 58, 237, 0.15);
  color: var(--accent-purple);
}

.mystery-icon {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.coming-badge {
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  color: var(--accent-blue);
  letter-spacing: 0.04em;
}

.mystery-badge {
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
  color: var(--text-muted);
}

.coming-title {
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
  position: relative;
}

.coming-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
  position: relative;
}

.coming-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  position: relative;
}

.coming-features span {
  padding: 4px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.coming-footer {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.coming-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--text-muted);
  border-radius: 50%;
}

.status-dot.pulsing {
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(22, 163, 74, 0.6);
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 6px rgba(22, 163, 74, 0.6);
  }

  50% {
    opacity: 0.6;
    box-shadow: 0 0 14px rgba(22, 163, 74, 0.8);
  }
}

/* ============================================================
   CTA SECTION — light & vibrant
   ============================================================ */
.section-cta {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

/* Decorative color pops (light, not dark blurs) */
.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
}

.cta-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at 50% 50%, #BFDBFE 0%, transparent 65%);
  top: 50%;
  left: -160px;
  transform: translateY(-50%);
  opacity: 0.45;
}

.cta-orb-2 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at 50% 50%, #DDD6FE 0%, transparent 65%);
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  opacity: 0.38;
}

[data-theme="dark"] .cta-orb {
  filter: blur(60px);
}

[data-theme="dark"] .cta-orb-1 {
  background: radial-gradient(circle at 50% 50%, var(--accent-blue) 0%, transparent 65%);
  opacity: 0.15;
}

[data-theme="dark"] .cta-orb-2 {
  background: radial-gradient(circle at 50% 50%, var(--accent-purple) 0%, transparent 65%);
  opacity: 0.12;
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 580px;
  margin: 0 auto;
}

.cta-app-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 28px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.08),
    0 8px 20px rgba(0, 0, 0, 0.12),
    0 20px 40px rgba(0, 0, 0, 0.08);
}

.cta-title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
  line-height: 1.2;
  color: var(--text-primary);
}

.cta-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  padding: 60px 0 36px;
  background: transparent;
  border-top: 1.5px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-brand {
  flex: 1;
}

.footer-brand .brand-mono,
.footer-brand .brand-tools {
  font-size: 1.2rem;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 10px;
  max-width: 240px;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  gap: 56px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.10s;
}

.reveal-delay-2 {
  transition-delay: 0.20s;
}

.reveal-delay-3 {
  transition-delay: 0.30s;
}

.reveal-delay-4 {
  transition-delay: 0.40s;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .waterfall-item {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 24px;
  }

  .waterfall-item.reverse {
    direction: ltr;
  }

  .demo-grid {
    grid-template-columns: 1fr;
  }

  .coming-grid {
    grid-template-columns: 1fr;
  }

  .privacy-cards {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .nav-links .nav-link {
    display: none;
  }

  .container {
    padding: 0 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .product-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 100px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
  background: none;
  border: none;
  flex-shrink: 0;
  position: relative;
  z-index: 4;
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

[data-theme="dark"] .theme-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

.theme-toggle:active {
  transform: scale(0.93);
}

/* Sun icon shown in dark mode; moon in light mode */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

/* Spin the icon on click */
@keyframes theme-spin {
  0% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(180deg) scale(0.8);
  }

  100% {
    transform: rotate(360deg) scale(1);
  }
}

.theme-toggle.spinning svg {
  animation: theme-spin 0.45s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ─── macOS-style tooltip ──────────────────────────────────── */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 7px);
  left: 50%;
  transform: translateX(-50%) translateY(-3px);
  background: rgba(20, 20, 22, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  padding: 5px 9px;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease, transform 0.12s ease;
  transition-delay: 0.45s;
  z-index: 9999;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

[data-theme="dark"] [data-tooltip]::after {
  background: rgba(58, 58, 62, 0.92);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.35);
}

/* ============================================================
   DARK MODE — Shared component overrides
   (for legacy components that hardcode colours in product CSS)
   ============================================================ */

/* Products section background */
[data-theme="dark"] .products-section {
  background: var(--bg-primary);
}

/* Section eyebrow pill */
[data-theme="dark"] .section-eyebrow {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(37, 99, 235, 0.22);
}

/* Portal badge (homepage hero) */
[data-theme="dark"] .portal-badge {
  background: var(--bg-secondary);
  border-color: var(--border-medium);
  color: var(--text-secondary);
}

/* Portal CTA secondary */
[data-theme="dark"] .portal-cta-secondary {
  background: var(--bg-secondary);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

/* Trust check icons */
[data-theme="dark"] .trust-check {
  background: rgba(22, 163, 74, 0.12);
  border-color: rgba(22, 163, 74, 0.18);
}

/* Card tags */
[data-theme="dark"] .card-tag {
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

/* Footer link hover */
[data-theme="dark"] .footer-col a:hover {
  color: var(--accent-blue);
}

/* Meta tags */
[data-theme="dark"] .meta-tag {
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}