/* ==============================================================================
   HIRRO DESIGN SYSTEM — LANDING PAGE SPA
   Based on docs/15-visual-language.md & YNAB-inspired empathetic layout
   ============================================================================== */

:root {
  /* Surfaces & Ink (docs/15-visual-language.md) */
  --canvas: #F8F9FA;
  --surface: #FFFFFF;
  --surface-raised: #F1F2F5;
  --surface-inset: #EFEFEF;
  --ink-strong: #0A0A0A;
  --on-ink-strong: #FFFFFF;
  
  /* Typography & Text */
  --text-primary: #0A0A0A;
  --text-secondary: #6C6C71; /* WCAG AA compliant >= 4.5:1 */
  --text-muted: #8E8E93;
  
  /* Hairlines & Fills */
  --separator: #E5E5EA;
  --separator-subtle: #EEEEF2;
  --chip-fill: #EAEAEF;
  --chip-fill-active: #0A0A0A;
  --avatar-fill: #E6E6EB;
  
  /* Semantic Money Tokens */
  --credit: #17703A; /* Positive balance / owed to you */
  --debt: #A83B00;   /* Negative balance / you owe */
  --settled: #6C6C71;
  --credit-bg: rgba(23, 112, 58, 0.08);
  --debt-bg: rgba(168, 59, 0, 0.08);

  /* Shapes & Radii */
  --radius-sheet: 32px;
  --radius-card: 24px;
  --radius-control: 18px;
  --radius-pill: 9999px;
  --radius-sm: 10px;

  /* Typography Families */
  --font-main: -apple-system, BlinkMacSystemFont, "Plus Jakarta Sans", "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Spacing Scale (8-point) */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-xxl: 48px;
  --sp-2xl: 48px; /* alias used by demo/faq/footer spacing */
  --sp-3xl: 64px;
  --sp-4xl: 96px;

  /* Subtle Inset Shadows */
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px -4px rgba(0, 0, 0, 0.06);
  --shadow-mockup: 0 28px 70px -12px rgba(10, 10, 10, 0.22), 0 10px 30px -6px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --trans-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --trans-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-main);
  background-color: var(--canvas);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--sp-lg);
  padding-right: var(--sp-lg);
}

@media (max-width: 640px) {
  .container {
    padding-left: var(--sp-md);
    padding-right: var(--sp-md);
  }
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Section Headings & Eyebrows */
.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: var(--sp-sm);
}

.section-heading {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--sp-md);
}

.section-subtext {
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
}

.section-center-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-3xl) auto;
}

.section-center-head .section-subtext {
  margin-left: auto;
  margin-right: auto;
}

/* Button System (Hirro Spec) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  transition: all var(--trans-smooth);
  cursor: pointer;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--ink-strong);
  outline-offset: 3px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1.0625rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background-color: var(--ink-strong);
  color: var(--on-ink-strong);
  border: 1px solid var(--ink-strong);
}

.btn-primary:hover {
  background-color: #222222;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--separator);
}

.btn-secondary:hover {
  background-color: #F8F8FA;
  border-color: #B0B0B5;
  transform: translateY(-1px);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--ink-strong);
}

.btn-white:hover {
  background-color: #F0F0F2;
  transform: translateY(-1px);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

/* ==============================================================================
   SITE HEADER & NAVIGATION (WITH ACTIVE LABEL HIGHLIGHT)
   ============================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(248, 249, 250, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--separator);
  transition: all var(--trans-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ink-strong);
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  background-color: rgba(0, 0, 0, 0.03);
  padding: 4px 6px;
  border-radius: var(--radius-pill);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--trans-fast);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  position: relative;
}

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

/* Active header state per user request */
.nav-link.active {
  color: var(--ink-strong);
  font-weight: 700;
  background-color: var(--surface);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.mobile-toggle .bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--ink-strong);
  border-radius: 2px;
  transition: all var(--trans-fast);
}

.mobile-drawer {
  display: none;
  background-color: var(--surface);
  border-bottom: 1px solid var(--separator);
  padding: var(--sp-lg) var(--sp-md);
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--separator-subtle);
}

.mobile-nav-link.active {
  color: var(--ink-strong);
  font-weight: 800;
}

.mobile-nav-actions {
  margin-top: var(--sp-md);
}

@media (max-width: 960px) {
  .desktop-nav {
    display: none;
  }
  .header-demo-btn {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

/* ==============================================================================
   HERO SECTION
   ============================================================================== */
.hero-section {
  position: relative;
  padding-top: var(--sp-4xl);
  padding-bottom: var(--sp-xl);
  background: linear-gradient(180deg, #F8F9FA 0%, #F1F2F5 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--sp-3xl);
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface);
  border: 1px solid var(--separator);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--sp-md);
  box-shadow: var(--shadow-subtle);
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--ink-strong);
}

.hero-headline {
  font-size: clamp(2.5rem, 4.8vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: var(--sp-lg);
}

.headline-sub {
  color: var(--text-secondary);
  font-weight: 700;
}

.hero-description {
  font-size: clamp(1.0625rem, 1.35vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--sp-xl);
  max-width: 560px;
}

.hero-description strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
  margin-bottom: var(--sp-xl);
}

.hero-proof-row {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.proof-item svg {
  color: var(--ink-strong);
}

/* ==============================================================================
   HERO DEVICE MOCKUP — SCALED IPHONE WITH APP-ACCURATE (DARK) SCREENS
   ============================================================================== */
.hero-visual-col {
  display: flex;
  justify-content: center;
  position: relative;
}

.device-mockup-wrapper {
  /* Design size of the phone; --phone-scale shrinks the whole unit crisply */
  --phone-w: 340px;
  --phone-h: 700px;
  --phone-scale: 0.88;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto;
}

.phone-stage {
  position: relative;
  z-index: 1;
  width: calc(var(--phone-w) * var(--phone-scale));
  height: calc(var(--phone-h) * var(--phone-scale));
}

.phone-scaler {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--phone-w);
  height: var(--phone-h);
  transform: scale(var(--phone-scale));
  transform-origin: top left;
}

.ambient-glow {
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 420px;
  background: radial-gradient(circle, rgba(10, 10, 10, 0.12) 0%, rgba(248, 249, 250, 0) 70%);
  filter: blur(45px);
  z-index: 0;
}

.iphone-pro-frame {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #1A1A1A;
  border-radius: 48px;
  padding: 10px;
  box-shadow: var(--shadow-mockup);
  border: 3px solid #333333;
}

/* Side buttons */
.phone-btn {
  position: absolute;
  background-color: #2A2A2A;
  border-radius: 3px;
}

.phone-btn-action { left: -6px; top: 100px; width: 4px; height: 24px; }
.phone-btn-vol-up { left: -6px; top: 138px; width: 4px; height: 44px; }
.phone-btn-vol-down { left: -6px; top: 194px; width: 4px; height: 44px; }
.phone-btn-power { right: -6px; top: 156px; width: 4px; height: 62px; }

/* ------------------------------------------------------------------
   Shared "app skin" tokens — reused by the phone mockup and the demo
   preview panes so both read like the real Hirro app (dark theme).
   ------------------------------------------------------------------ */
.app-ui {
  /* Dark is the app's default appearance */
  --a-bg: #000000;
  --a-shell: #101013;
  --a-shell-2: #1B1B1F;
  --a-surface: #17171A;
  --a-surface-2: #242428;
  --a-surface-3: #34343A;
  --a-text: #FFFFFF;
  --a-dim: #9B9BA3;
  --a-faint: #6E6E76;
  --a-sep: rgba(255, 255, 255, 0.09);
  --a-track: rgba(255, 255, 255, 0.14);
  --a-invert-bg: #FFFFFF;
  --a-invert-ink: #0A0A0A;
  --a-hero-bg: #F2F2F4;
  --a-hero-ink: #0A0A0A;
  --a-hero-sub: #3A3A3C;
  --a-hero-accent: #12703A;
  --a-navbar: rgba(22, 22, 24, 0.96);
  --a-blue: #6EA8FF;
  --a-blue-bg: rgba(90, 150, 255, 0.18);
  --a-green: #35C05F;
  --a-green-bg: rgba(53, 192, 95, 0.14);
  --a-orange: #FF7A45;
  --a-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.55);
  color: var(--a-text);
}

/* Light appearance — toggled from the mockup or the sandbox */
:root[data-app-theme="light"] .app-ui {
  --a-bg: #F2F3F5;
  --a-shell: #FFFFFF;
  --a-shell-2: #F1F2F5;
  --a-surface: #FFFFFF;
  --a-surface-2: #ECECF0;
  --a-surface-3: #DEDEE4;
  --a-text: #0A0A0A;
  --a-dim: #6C6C71;
  --a-faint: #8E8E93;
  --a-sep: #E5E5EA;
  --a-track: rgba(10, 10, 10, 0.12);
  --a-invert-bg: #0A0A0A;
  --a-invert-ink: #FFFFFF;
  --a-hero-bg: #0A0A0A;
  --a-hero-ink: #FFFFFF;
  --a-hero-sub: #C9C9CF;
  --a-hero-accent: #4ADE80;
  --a-navbar: rgba(255, 255, 255, 0.96);
  --a-blue: #2F6FE4;
  --a-blue-bg: rgba(47, 111, 228, 0.12);
  --a-green: #17703A;
  --a-green-bg: rgba(23, 112, 58, 0.1);
  --a-orange: #C2450C;
  --a-shadow: 0 18px 40px -22px rgba(10, 10, 10, 0.25);
}

/* Theme switch (used above the device and inside the sandbox) */
.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-pill);
  background-color: var(--a-surface-2);
  border: 1px solid var(--a-sep);
}

.theme-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--a-dim);
  transition: background-color var(--trans-fast), color var(--trans-fast);
}

.theme-switch-btn[aria-pressed="true"] {
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
}

.theme-switch-btn:focus-visible {
  outline: 2px solid var(--a-blue);
  outline-offset: 2px;
}

/* The switch above the device sits on the page canvas, not on app chrome */
.device-theme-switch {
  margin-bottom: var(--sp-md);
  background-color: var(--surface);
  border-color: var(--separator);
  box-shadow: var(--shadow-subtle);
}

.device-theme-switch .theme-switch-btn { color: var(--text-secondary); }

.device-theme-switch .theme-switch-btn[aria-pressed="true"] {
  background-color: var(--ink-strong);
  color: var(--on-ink-strong);
}

/* Screen container */
.phone-screen {
  background-color: var(--a-bg);
  text-align: left;
  border-radius: 40px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Dynamic Island */
.phone-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 26px;
  background-color: #000000;
  border-radius: 20px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 11px;
}

.island-camera {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #0A1428;
  border: 1px solid #142848;
}

.island-sensor {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #070B14;
}

/* iOS Status Bar */
.app-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 22px 6px 22px;
  color: var(--a-text);
  font-weight: 600;
  font-size: 0.75rem;
  z-index: 40;
}

.status-icons {
  display: flex;
  align-items: center;
  gap: 5px;
}

.status-battery {
  width: 21px;
  height: 10px;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  padding: 1px;
  position: relative;
  display: inline-flex;
}

.status-battery::after {
  content: "";
  position: absolute;
  right: -3.5px;
  top: 2px;
  width: 2px;
  height: 4px;
  background-color: currentColor;
  border-radius: 0 1px 1px 0;
}

.battery-level {
  width: 14px;
  height: 100%;
  background-color: currentColor;
  border-radius: 1px;
}

/* Views area */
.phone-view-container {
  flex: 1;
  overflow-y: auto;
  position: relative;
  padding: 2px 14px 14px 14px;
  scrollbar-width: none;
}

.phone-view-container::-webkit-scrollbar { display: none; }

.phone-view {
  display: none;
  flex-direction: column;
  gap: 12px;
  animation: fadeInFast 200ms ease;
}

.phone-view.active { display: flex; }

@keyframes fadeInFast {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------------
   APP COMPONENTS (mirrors the shipped Hirro screens)
   ------------------------------------------------------------------ */

/* Large page titles (Expenses / Profile) */
.ap-page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.ap-page-title.center { text-align: center; font-size: 1.0625rem; font-weight: 600; }

.ap-page-sub {
  font-size: 0.6875rem;
  color: var(--a-dim);
  margin-top: 2px;
}

.ap-title-block { display: flex; flex-direction: column; gap: 2px; }

/* Total balance card (white tile) */
.ap-balance-card {
  background-color: var(--a-hero-bg);
  border-radius: 20px;
  padding: 14px 16px;
  color: var(--a-hero-ink);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ap-bal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.ap-bal-amount {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--a-hero-accent);
  font-variant-numeric: tabular-nums;
}

.ap-bal-label { font-size: 0.75rem; color: var(--a-hero-sub); }

.ap-bal-sub {
  font-size: 0.6875rem;
  color: var(--a-hero-sub);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Income / Expense / Net strip */
.ap-stat-strip {
  background-color: var(--a-surface);
  border-radius: 18px;
  padding: 9px 6px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.ap-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.ap-stat-k {
  font-size: 0.625rem;
  color: var(--a-dim);
  display: flex;
  align-items: center;
  gap: 3px;
}

.ap-stat-v {
  font-size: 0.75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ap-pos { color: var(--a-green); }
.ap-neg { color: var(--a-orange); }

.ap-stat-div {
  width: 1px;
  height: 22px;
  background-color: var(--a-sep);
}

/* Section headers */
.ap-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 2px 2px 0 2px;
}

.ap-sec-title {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.ap-sec-link {
  font-size: 0.75rem;
  color: var(--a-dim);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Group card */
.ap-group-card {
  background-color: var(--a-surface);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ap-group-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ap-group-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--a-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.ap-group-name { font-size: 0.875rem; font-weight: 600; flex: 1; }

.ap-pill-muted {
  font-size: 0.6875rem;
  color: var(--a-dim);
  background-color: var(--a-surface-2);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.ap-group-foot {
  display: flex;
  align-items: center;
  gap: 6px;
  border-top: 1px solid var(--a-sep);
  padding-top: 9px;
  font-size: 0.6875rem;
  color: var(--a-dim);
}

.ap-group-foot span:first-of-type { flex: 1; }

/* Sort / filter pills */
.ap-sort-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.6875rem;
  font-weight: 600;
  background-color: var(--a-surface-2);
  padding: 5px 11px;
  border-radius: var(--radius-pill);
}

.ap-filter-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ap-filter {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background-color: var(--a-surface-2);
  color: var(--a-dim);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ap-filter.active {
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
}

/* Segmented control */
.ap-segmented {
  display: flex;
  background-color: var(--a-surface);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}

.ap-seg {
  flex: 1;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--a-dim);
  padding: 6px 4px;
  border-radius: var(--radius-pill);
}

.ap-seg.active {
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
}

/* Search field */
.ap-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--a-surface);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 0.75rem;
  color: var(--a-dim);
}

/* Generic dark panel */
.ap-panel {
  background-color: var(--a-surface);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ap-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--a-dim);
}

.ap-panel-head strong { color: var(--a-text); font-size: 0.8125rem; }

.ap-big-val {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.ap-chip {
  font-size: 0.625rem;
  background-color: var(--a-surface-2);
  color: var(--a-dim);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

/* Category bar */
.ap-catbar {
  display: flex;
  gap: 2px;
  height: 7px;
  border-radius: 4px;
  overflow: hidden;
}

.ap-catbar i { display: block; height: 100%; }

.ap-legend {
  display: flex;
  gap: 12px;
  font-size: 0.6875rem;
  color: var(--a-dim);
}

.ap-legend span { display: inline-flex; align-items: center; gap: 5px; }

.ap-legend b { color: var(--a-text); font-weight: 600; }

.ap-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

/* Row list */
.ap-list {
  background-color: var(--a-surface);
  border-radius: 16px;
  overflow: hidden;
}

.ap-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--a-sep);
}

.ap-row:last-child { border-bottom: none; }

.ap-row-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--a-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--a-dim);
  flex-shrink: 0;
}

.ap-row-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.ap-row-title {
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ap-row-sub { font-size: 0.6875rem; color: var(--a-dim); }

.ap-amount {
  font-size: 0.8125rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}

.ap-chevron { color: var(--a-faint); flex-shrink: 0; }

/* Loans summary */
.ap-summary-card {
  background-color: var(--a-surface);
  border-radius: 16px;
  padding: 12px 6px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.ap-summary-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
}

.ap-summary-val {
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ap-summary-label { font-size: 0.625rem; color: var(--a-dim); }

.ap-loan-row {
  padding: 10px 12px;
  border-bottom: 1px solid var(--a-sep);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.ap-loan-row:last-child { border-bottom: none; }

.ap-loan-top { display: flex; align-items: center; gap: 10px; }

.ap-progress {
  height: 4px;
  border-radius: 2px;
  background-color: var(--a-track);
  overflow: hidden;
}

.ap-progress i {
  display: block;
  height: 100%;
  background-color: var(--a-orange);
  border-radius: 2px;
}

/* Insights */
.ap-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--a-sep);
}

.ap-topbar-title { font-size: 0.9375rem; font-weight: 600; flex: 1; text-align: center; }

.ap-icon-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--a-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--a-text);
  flex-shrink: 0;
}

.ap-control-row { display: flex; align-items: center; gap: 8px; }

.ap-select {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--a-sep);
}

.ap-control-row .ap-segmented { flex: 1; }

.ap-insight-card {
  background-color: var(--a-surface);
  border-radius: 16px;
  padding: 11px 12px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.ap-insight-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--a-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.ap-insight-body { display: flex; flex-direction: column; gap: 2px; }

.ap-insight-body span:first-child { font-size: 0.625rem; color: var(--a-dim); }

.ap-insight-body span:last-child { font-size: 0.75rem; line-height: 1.4; }

.ap-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.ap-metric {
  background-color: var(--a-surface);
  border-radius: 16px;
  padding: 11px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ap-metric-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  color: var(--a-dim);
}

.ap-metric-val { font-size: 1rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.ap-metric-foot { font-size: 0.5625rem; color: var(--a-faint); text-transform: uppercase; letter-spacing: 0.04em; }

.ap-spark {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 52px;
}

.ap-spark i {
  flex: 1;
  background-color: var(--a-blue);
  border-radius: 3px 3px 0 0;
  opacity: 0.75;
  display: block;
}

.ap-panel-label {
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--a-dim);
  font-weight: 600;
}

/* Profile */
.ap-profile-card {
  background-color: var(--a-surface);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ap-avatar-lg {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--a-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 600;
}

.ap-profile-info { flex: 1; display: flex; flex-direction: column; gap: 1px; min-width: 0; }

.ap-profile-info strong { font-size: 0.9375rem; font-weight: 600; }

.ap-profile-info span { font-size: 0.6875rem; color: var(--a-dim); }

.ap-group-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  color: var(--a-dim);
  padding-left: 4px;
}

.ap-danger { color: var(--a-orange); }

.ap-row-title.ap-danger { font-weight: 600; }

/* Floating action button inside the mockup */
.ap-fab {
  position: absolute;
  right: 16px;
  bottom: 74px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
  z-index: 35;
}

.phone-screen[data-view="pview-profile"] .ap-fab,
.phone-screen[data-view="pview-insights"] .ap-fab { display: none; }

/* Bottom navigation (matches the app's pill-highlight tab bar) */
.app-bottom-nav {
  background-color: var(--a-navbar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--a-sep);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 6px 4px 2px 4px;
  z-index: 30;
}

.nav-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--a-faint);
  font-size: 0.625rem;
  font-weight: 500;
  padding: 2px 2px 4px 2px;
  transition: color var(--trans-fast);
  cursor: pointer;
}

.nav-tab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  transition: background-color var(--trans-fast);
}

.nav-tab:hover { color: var(--a-dim); }

.nav-tab.active { color: var(--a-blue); font-weight: 600; }

.nav-tab.active .nav-tab-icon { background-color: var(--a-blue-bg); }

.nav-tab:focus-visible { outline: 2px solid var(--a-blue); outline-offset: 2px; border-radius: 10px; }

/* iOS Home Indicator Bar */
.ios-home-indicator {
  width: 120px;
  height: 4px;
  background-color: var(--a-text);
  border-radius: 2px;
  margin: 5px auto 7px auto;
  opacity: 0.55;
}

/* ------------------------------------------------------------------
   HERO CAPTION CARDS — below the device so nothing covers the tab bar
   ------------------------------------------------------------------ */
.phone-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  width: 100%;
  margin-top: var(--sp-lg);
}

.floating-badge {
  flex: 1 1 210px;
  max-width: 270px;
  background-color: var(--surface);
  border: 1px solid var(--separator);
  border-radius: 18px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  box-shadow: var(--shadow-subtle);
}

.f-icon {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background-color: var(--ink-strong);
  color: var(--on-ink-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.f-text { display: flex; flex-direction: column; gap: 2px; }

.f-text strong {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.f-text span {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-secondary);
}

.wave-divider {
  width: 100%;
  line-height: 0;
  margin-top: var(--sp-xl);
}

.wave-divider svg {
  width: 100%;
  height: 64px;
}

@media (max-width: 1180px) {
  .device-mockup-wrapper { --phone-scale: 0.8; }
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group { justify-content: center; }
  .hero-proof-row { justify-content: center; }

  .device-mockup-wrapper { --phone-scale: 0.78; }
}

@media (max-width: 560px) {
  .device-mockup-wrapper { --phone-scale: 0.72; }
  .floating-badge { flex: 1 1 100%; max-width: 340px; }
}

@media (max-width: 380px) {
  .device-mockup-wrapper { --phone-scale: 0.64; }
}

/* ==============================================================================
   STATS & PROBLEM STATEMENT (YNAB Style 4-Box Grid)
   ============================================================================== */
.stats-section {
  padding: var(--sp-4xl) 0;
  background-color: var(--surface-raised);
}

.stats-header-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--sp-3xl);
  align-items: center;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: var(--sp-md);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.stats-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}

.stat-box {
  background-color: var(--surface);
  border: 1px solid var(--separator);
  border-radius: var(--radius-card);
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  transition: transform var(--trans-smooth), box-shadow var(--trans-smooth);
}

.stat-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.stat-number {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ink-strong);
  line-height: 1.1;
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
}

.stat-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 4px;
}

@media (max-width: 860px) {
  .stats-header-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .stats-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ==============================================================================
   FOUNDER & LEADERSHIP QUOTE SECTION (With explicit sized box for spacing)
   ============================================================================== */
.founder-section {
  padding: var(--sp-4xl) 0;
  background-color: var(--canvas);
}

.founder-card {
  background-color: var(--surface);
  border: 1px solid var(--separator);
  border-radius: var(--radius-sheet);
  padding: clamp(var(--sp-xl), 5vw, var(--sp-4xl));
  box-shadow: var(--shadow-card);
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.quote-icon {
  font-size: 4rem;
  line-height: 1;
  font-family: Georgia, serif;
  color: var(--text-muted);
  opacity: 0.4;
  margin-bottom: var(--sp-sm);
}

.founder-quote {
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  font-style: normal;
  max-width: 800px;
  margin: 0 auto;
}

/* Explicit sized box between quote and CEO name per user request */
.founder-spacer-box {
  height: 48px;
  width: 100%;
}

.founder-profile {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-md);
  text-align: left;
  border-top: 1px solid var(--separator-subtle);
  padding-top: 24px;
}

.founder-avatar-wrap {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: var(--ink-strong);
  color: var(--on-ink-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.founder-details {
  display: flex;
  flex-direction: column;
}

.founder-name {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--text-primary);
  font-style: normal;
}

.founder-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.founder-tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==============================================================================
   HOW IT WORKS & REAL APP CARD ARCHITECTURE
   ============================================================================== */
.how-section {
  padding: var(--sp-4xl) 0;
  background-color: var(--surface-raised);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--separator);
  border-radius: var(--radius-card);
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  transition: transform var(--trans-smooth), box-shadow var(--trans-smooth);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.feature-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background-color: var(--chip-fill);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  margin-bottom: var(--sp-md);
}

.feature-title {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-sm);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-lg);
  flex-grow: 1;
}

.feature-desc code {
  font-family: var(--font-mono);
  background-color: var(--chip-fill);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* App UI Card Previews inside Features */
.app-ui-card-preview {
  background-color: var(--surface-inset);
  border-radius: 18px;
  padding: var(--sp-md);
  border: 1px solid var(--separator-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-card-pill {
  font-size: 0.6875rem;
  font-weight: 700;
  background-color: var(--surface);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--separator);
}

.app-card-meta {
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

.app-row-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--surface);
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--separator-subtle);
}

.app-row-avatar {
  font-size: 1.125rem;
}

.app-row-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-row-top, .app-row-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-row-top strong {
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.val-bold {
  font-weight: 700;
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.chip-tag {
  font-size: 0.6875rem;
  background-color: var(--chip-fill);
  color: var(--ink-strong);
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
}

.tag-meta {
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

.loan-progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--separator);
  border-radius: 3px;
  overflow: hidden;
}

.loan-progress-fill {
  height: 100%;
  background-color: var(--ink-strong);
  border-radius: 3px;
}

.due-pill {
  background-color: rgba(168, 59, 0, 0.12);
  color: var(--debt);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
}

@media (max-width: 960px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ==============================================================================
   INTERACTIVE SANDBOX SECTION (WITH GENEROUS PADDING & SHEET UI)
   ============================================================================== */
.demo-section {
  padding: var(--sp-4xl) 0;
  background-color: var(--canvas);
}

.demo-outer-container {
  max-width: 1120px;
}

.demo-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-3xl) auto;
}

/* The whole sandbox card wears the app's theme (dark by default) */
.interactive-app-card {
  background-color: var(--a-shell);
  border: 1px solid var(--a-sep);
  border-radius: var(--radius-sheet);
  overflow: hidden;
  box-shadow: var(--a-shadow);
  transition: background-color var(--trans-smooth), border-color var(--trans-smooth);
}

.demo-card-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding: 14px 20px;
  border-bottom: 1px solid var(--a-sep);
  flex-wrap: wrap;
}

.demo-card-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--a-dim);
}

.demo-card-label .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--a-green);
}

.demo-tabs {
  display: flex;
  background-color: var(--a-shell-2);
  border-bottom: 1px solid var(--a-sep);
  overflow-x: auto;
  scrollbar-width: none;
}

.demo-tabs::-webkit-scrollbar { display: none; }

.demo-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 24px;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--a-dim);
  border-bottom: 3px solid transparent;
  transition: all var(--trans-fast);
  white-space: nowrap;
}

.demo-tab:hover { color: var(--a-text); }

.demo-tab.active {
  color: var(--a-text);
  background-color: var(--a-shell);
  border-bottom-color: var(--a-text);
}

.demo-tab:focus-visible { outline: 2px solid var(--a-blue); outline-offset: -3px; }

/* Generous padding inside sandbox panels */
.demo-panel {
  padding: clamp(24px, 4vw, 44px);
}

.demo-panel[hidden] {
  display: none;
}

.demo-panel-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-2xl);
  align-items: start;
}

/* Quick entry sheet, as it appears in the app */
.quick-entry-sheet-box {
  background-color: var(--a-surface);
  border: 1px solid var(--a-sep);
  border-radius: 28px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sheet-grabber {
  width: 36px;
  height: 4px;
  background-color: var(--a-surface-3);
  border-radius: 2px;
  margin: 0 auto 4px auto;
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sheet-cancel-btn {
  font-size: 0.875rem;
  color: var(--a-dim);
  font-weight: 600;
}

.sheet-cancel-btn:hover { color: var(--a-text); }

.sheet-title {
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--a-text);
}

.sheet-add-btn {
  padding: 6px 18px;
  font-size: 0.875rem;
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
  border-color: var(--a-invert-bg);
}

.sheet-add-btn:hover {
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
  opacity: 0.88;
}

.sheet-amount-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-bottom: 1px solid var(--a-sep);
  padding-bottom: 8px;
}

.sheet-currency {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--a-dim);
}

.sheet-amount-input {
  border: none;
  background: transparent;
  font-size: 2.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--a-text);
  width: 100%;
  outline: none;
  font-family: inherit;
}

.sheet-input-row {
  border-bottom: 1px solid var(--a-sep);
  padding-bottom: 8px;
}

.sheet-title-input {
  border: none;
  background: transparent;
  font-size: 1.125rem;
  color: var(--a-text);
  width: 100%;
  outline: none;
  font-family: inherit;
}

.sheet-amount-input::placeholder,
.sheet-title-input::placeholder { color: var(--a-faint); }

.sheet-attached-strip {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.attached-chip {
  font-size: 0.75rem;
  background-color: var(--a-surface-2);
  color: var(--a-text);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

/* Docked accessory bar — the toolbar above the app keyboard */
.sheet-accessory-bar {
  background-color: var(--a-bg);
  border-radius: 18px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.accessory-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--a-dim);
  letter-spacing: 0.07em;
}

.acc-section {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.acc-subtitle {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--a-dim);
  min-width: 52px;
}

.demo-tag-pills, .payer-select-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-pill, .payer-btn {
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  background-color: var(--a-surface-2, #242428);
  color: var(--a-text);
  border: 1px solid transparent;
  transition: all var(--trans-fast);
}

.tag-pill:hover, .payer-btn:hover { background-color: var(--a-surface-3); color: var(--a-text); }

.tag-pill:focus-visible, .payer-btn:focus-visible {
  outline: 2px solid var(--a-blue);
  outline-offset: 2px;
}

.tag-pill.active, .payer-btn.active {
  background-color: var(--a-invert-bg);
  color: var(--a-invert-ink);
  border-color: var(--a-invert-bg);
}

/* Demo controls column for tabs 2 & 3 */
.panel-subtitle {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  color: var(--a-text);
}

.panel-help {
  font-size: 0.875rem;
  color: var(--a-dim);
  margin-bottom: var(--sp-lg);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--sp-md);
}

.input-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--a-dim);
}

.field-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--a-surface);
  border: 1px solid var(--a-sep);
  border-radius: var(--radius-control);
  padding: 10px 14px;
  transition: border-color var(--trans-fast);
}

.field-row:focus-within { border-color: var(--a-blue); }

.field-affix {
  font-size: 1rem;
  font-weight: 700;
  color: var(--a-dim);
  flex-shrink: 0;
}

.demo-input {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 1.125rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-family: inherit;
  color: var(--a-text);
  outline: none;
  min-width: 0;
}

.demo-input::placeholder { color: var(--a-faint); }

/* Hide the native number spinners — the app uses a plain numeric field */
.demo-input::-webkit-outer-spin-button,
.demo-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.demo-input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

.demo-range {
  width: 100%;
  height: 6px;
  background-color: var(--a-track);
  border-radius: 3px;
  outline: none;
  accent-color: var(--a-blue);
}

.demo-range:focus-visible { outline: 2px solid var(--a-blue); outline-offset: 4px; }

.range-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--a-faint);
}

.bold-highlight {
  font-weight: 700;
  color: var(--a-text);
}

.radio-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border: 1px solid var(--a-sep);
  border-radius: var(--radius-control);
  font-size: 0.875rem;
  color: var(--a-text);
  background-color: var(--a-surface);
  cursor: pointer;
}

.radio-chip.active { border-color: var(--a-blue); }

.radio-chip input { accent-color: var(--a-blue); }

/* Output column rendered as a real Hirro app screen */
.demo-output-col {
  background-color: var(--a-bg);
  border-radius: var(--radius-card);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--a-sep);
  box-shadow: var(--a-shadow);
}

.app-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--a-sep);
}

.app-pane-title {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--a-text);
}

.app-pane-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--a-green);
  background-color: var(--a-green-bg);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

/* Scrollable app lists inside the sandbox */
.demo-output-col .ap-list {
  max-height: 268px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--a-surface-3) transparent;
}

.demo-output-col .ap-list::-webkit-scrollbar { width: 6px; }
.demo-output-col .ap-list::-webkit-scrollbar-thumb { background: var(--a-surface-3); border-radius: 3px; }

.demo-output-col .ap-row { animation: slideIn 200ms ease; }

.demo-output-col .ap-big-val { font-size: 1.75rem; }

.demo-output-col .ap-progress { margin-top: 4px; }

.split-formula-note {
  font-size: 0.75rem;
  color: var(--a-dim);
}

.split-formula-note code {
  font-family: var(--font-mono);
  background-color: var(--a-surface-2);
  color: var(--a-text);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.9em;
}

.ap-empty {
  padding: 18px 12px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--a-dim);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .demo-panel-grid {
    grid-template-columns: 1fr;
  }
}
}

/* ==============================================================================
   FAQ SECTION (Accessible Accordion)
   ============================================================================== */
.faq-section {
  padding: var(--sp-4xl) 0;
  background-color: var(--canvas);
}

.faq-container {
  max-width: 820px;
}

.faq-header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--separator);
  border-radius: var(--radius-control);
  overflow: hidden;
  transition: border-color var(--trans-fast);
}

.faq-item:focus-within {
  border-color: var(--ink-strong);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  background: none;
  cursor: pointer;
  gap: 16px;
}

.faq-chevron {
  font-size: 1.35rem;
  line-height: 1;
  color: var(--text-secondary);
  transition: transform var(--trans-smooth);
}

.faq-item.active .faq-chevron {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms cubic-bezier(0.16, 1, 0.3, 1), padding 300ms ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 240px;
  padding: 0 24px 20px 24px;
}

.faq-answer p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.faq-answer strong {
  color: var(--text-primary);
}

/* ==============================================================================
   FINAL CTA SECTION (WITH GENEROUS SIZING & BREATHING ROOM)
   ============================================================================== */
.final-cta-section {
  padding: var(--sp-4xl) 0;
  background-color: var(--canvas);
}

.cta-banner {
  background-color: var(--ink-strong);
  color: var(--on-ink-strong);
  border-radius: var(--radius-sheet);
  padding: clamp(48px, 6vw, 72px) clamp(24px, 5vw, 64px);
  text-align: center;
  box-shadow: var(--shadow-card);
  max-width: 980px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999999;
  margin-bottom: var(--sp-md);
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-md);
}

.cta-desc {
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
  color: #CCCCCC;
  max-width: 600px;
  margin: 0 auto var(--sp-xl) auto;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
  margin-bottom: var(--sp-xl);
}

.cta-guarantee {
  font-size: 0.8125rem;
  color: #888888;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ==============================================================================
   SIMPLIFIED SITE FOOTER
   ============================================================================== */
.site-footer {
  background-color: var(--surface);
  border-top: 1px solid var(--separator);
  padding: var(--sp-3xl) 0 var(--sp-lg) 0;
  margin-top: auto;
}

.footer-simple-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-3xl);
  margin-bottom: var(--sp-2xl);
  flex-wrap: wrap;
}

.footer-brand-side {
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-simple-tagline {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-simple-author {
  font-size: 0.8125rem;
  color: var(--text-primary);
  background-color: var(--surface-raised);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
  border: 1px solid var(--separator);
}

.footer-nav-side {
  display: flex;
  gap: var(--sp-3xl);
  flex-wrap: wrap;
}

.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.f-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-nav-group a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--trans-fast);
}

.footer-nav-group a:hover {
  color: var(--text-primary);
}

.footer-bottom-clean {
  border-top: 1px solid var(--separator-subtle);
  padding-top: var(--sp-md);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ==============================================================================
   PERSON LINK (Ali Azimoshan → aliazimoshan.info)
   ============================================================================== */
.person-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(10, 10, 10, 0.3);
  transition: text-decoration-color var(--trans-fast), opacity var(--trans-fast);
}

.person-link:hover { text-decoration-color: currentColor; }

.person-link:focus-visible {
  outline: 2px solid var(--ink-strong);
  outline-offset: 3px;
  border-radius: 4px;
}

.person-link svg { opacity: 0.45; flex-shrink: 0; }

.founder-name .person-link { font-style: normal; }

/* ==============================================================================
   SIZING & SPACING POLISH (footer, sections, small screens)
   ============================================================================== */
.site-footer {
  padding: var(--sp-3xl) 0 var(--sp-xl) 0;
}

.footer-bottom-clean {
  padding-top: var(--sp-lg);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.faq-item.active .faq-answer {
  max-height: 520px;
}

@media (max-width: 860px) {
  .footer-simple-inner {
    gap: var(--sp-xl);
    margin-bottom: var(--sp-xl);
  }
  .footer-nav-side { gap: var(--sp-xl); width: 100%; }
  .footer-brand-side { max-width: 100%; }
}

@media (max-width: 720px) {
  .hero-section { padding-top: var(--sp-xxl); }
  .hero-grid { gap: var(--sp-xl); }
  .stats-section,
  .founder-section,
  .how-section,
  .demo-section,
  .faq-section,
  .final-cta-section {
    padding-top: var(--sp-xxl);
    padding-bottom: var(--sp-xxl);
  }
  .section-center-head,
  .demo-intro,
  .faq-header { margin-bottom: var(--sp-xl); }
  .wave-divider { margin-top: var(--sp-xl); }
  .wave-divider svg { height: 42px; }
  .demo-tab { padding: 14px 16px; font-size: 0.875rem; }
  .founder-spacer-box { height: 28px; }
  .founder-profile { flex-direction: column; text-align: center; gap: var(--sp-sm); }
  .founder-details { align-items: center; }
  .site-footer { padding-top: var(--sp-xxl); }
  .footer-nav-side { gap: var(--sp-xl); }
}

@media (max-width: 480px) {
  .footer-nav-side { flex-direction: column; gap: var(--sp-lg); }
  .cta-actions .btn { width: 100%; }
  .hero-cta-group .btn { width: 100%; }
}

/* Respect reduced-motion preferences across the page */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.footer-simple-author {
  width: fit-content;
  max-width: 100%;
  line-height: 1.5;
}

.footer-author-role {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

/* App icon accents that follow the active appearance */
.ap-ico-pos { color: var(--a-green); }
.ap-ico-neg { color: var(--a-orange); }

.field-hint {
  font-size: 0.6875rem;
  color: var(--a-faint);
}