/* ==========================================================================
   SubProof Landing Page Stylesheet
   Designed under Impeccable Craft Floor & Emil Kowalski Design Engineering
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables & Design Tokens (Candlelight Default + Multi-Theme Engine)
   -------------------------------------------------------------------------- */
:root {
  /* Default: Candlelight (Gyertyafény) */
  --bg: #1E1813;
  --surface: #2A221B;
  --surface-high: #31281F;
  --surface-card: #251E17;
  --nav-bg: rgba(25, 19, 14, 0.92);
  --line: rgba(255, 239, 218, 0.1);
  --line-strong: rgba(255, 239, 218, 0.2);

  --cream: #F1E7D8;
  --muted: #B8AA98;       /* WCAG AA > 4.5:1 contrast against dark surfaces */
  --muted-dark: #A59684;  /* WCAG AA > 4.5:1 contrast for placeholder & smallprint */

  --accent: #E6A95C;
  --accent-soft: #F3D9B4;
  --on-accent: #241B12;

  --warn: #E08A6A;
  --warn-soft: rgba(224, 138, 106, 0.18);
  --positive: #9CB08A;
  --positive-soft: rgba(156, 176, 138, 0.18);

  /* Emil Kowalski Easing Curves */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  /* Fonts */
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows (Neutral elevation, no AI colored-halo glows) */
  --shadow-subtle: 0 4px 18px -2px rgba(0, 0, 0, 0.45);
  --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.55), 0 0 1px 1px var(--line);
  --shadow-device: 0 28px 65px -15px rgba(0, 0, 0, 0.85), 0 0 1px 1px var(--line-strong);
}

/* Theme Variant: Midnight (Éjkék) */
body[data-theme="midnight"],
.device-screen[data-device-theme="midnight"] {
  --bg: #0F1419;
  --surface: #1A2029;
  --surface-high: #232B36;
  --surface-card: #151A22;
  --nav-bg: rgba(11, 15, 20, 0.92);
  --line: rgba(207, 227, 255, 0.1);
  --line-strong: rgba(207, 227, 255, 0.2);
  --cream: #E6EDF3;
  --muted: #A8B8C8;
  --muted-dark: #98A7B6;
  --accent: #5AA9E6;
  --accent-soft: #AED6F5;
  --on-accent: #08131E;
  --warn: #E6896A;
  --positive: #7FC8A9;
}

/* Theme Variant: Forest (Erdő) */
body[data-theme="forest"],
.device-screen[data-device-theme="forest"] {
  --bg: #10140F;
  --surface: #1A211A;
  --surface-high: #232D22;
  --surface-card: #141913;
  --nav-bg: rgba(12, 15, 11, 0.92);
  --line: rgba(216, 240, 208, 0.1);
  --line-strong: rgba(216, 240, 208, 0.2);
  --cream: #E6EFE0;
  --muted: #AAB7A3;
  --muted-dark: #97A690;
  --accent: #86C06A;
  --accent-soft: #C2E0AE;
  --on-accent: #0C1A08;
  --warn: #E3A06A;
  --positive: #6FBFA0;
}

/* Theme Variant: Rosé (Rozé) */
body[data-theme="rose"],
.device-screen[data-device-theme="rose"] {
  --bg: #1A1016;
  --surface: #261922;
  --surface-high: #30212C;
  --surface-card: #1E131A;
  --nav-bg: rgba(20, 10, 16, 0.92);
  --line: rgba(255, 217, 236, 0.1);
  --line-strong: rgba(255, 217, 236, 0.2);
  --cream: #F3E3EC;
  --muted: #C4ABBA;
  --muted-dark: #AF96A5;
  --accent: #E68AAE;
  --accent-soft: #F5C6D9;
  --on-accent: #23101A;
  --warn: #E68A6A;
  --positive: #A9C08A;
}

/* --------------------------------------------------------------------------
   Craft Floor: Themed Browser Surfaces & Global Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--cream);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  caret-color: var(--accent);
  transition: background-color 220ms var(--ease-out), color 220ms var(--ease-out);
}

/* Themed text selection */
::selection {
  background: var(--surface-high);
  color: var(--cream);
}

/* Themed custom scrollbar */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-high);
  border-radius: 6px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* Themed focus outline */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Tabular figures for numbers */
.num, .amount-val, .res-num, .calc-val-display {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* --------------------------------------------------------------------------
   Layout Containers & Section Spacing
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }
}

section {
  padding: 6.5rem 0;
  position: relative;
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  section {
    padding: 3rem 0;
  }
}

/* Section Lead Group (No banned kickers/eyebrows) */
.section-lead-group {
  max-width: 44rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 600px) {
  .section-lead-group {
    margin-bottom: 2rem;
  }
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 5.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 38rem;
}

@media (max-width: 600px) {
  .section-desc {
    font-size: 1rem;
  }
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background-color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--cream);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background-color: var(--surface-high);
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: transform 160ms var(--ease-out);
}

.brand:hover .brand-mark {
  transform: scale(1.04);
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 150ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .nav-link:hover {
    color: var(--cream);
  }
}

@media (max-width: 820px) {
  .site-nav {
    display: none;
  }
}

.btn-beta-short {
  display: none;
}

@media (max-width: 480px) {
  .header-inner {
    height: 3.75rem;
    padding: 0 0.85rem;
  }

  .brand {
    gap: 0.45rem;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
  }

  .brand-text {
    font-size: 1.05rem;
  }

  .header-actions {
    gap: 0.45rem;
  }

  .lang-btn {
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
    gap: 0.25rem;
  }

  .btn-beta-long {
    display: none;
  }

  .btn-beta-short {
    display: inline;
  }

  .site-header .btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8125rem;
  }
}

/* --------------------------------------------------------------------------
   Header Actions & Language Selector (Emil Kowalski Origin-Aware Popover)
   -------------------------------------------------------------------------- */
.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.lang-picker-wrapper {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cream);
  background-color: var(--surface-high);
  border: 1px solid var(--line-strong);
  border-radius: 9999px;
  cursor: pointer;
  user-select: none;
  transition: background-color 160ms var(--ease-out),
              border-color 160ms var(--ease-out),
              transform 160ms var(--ease-out);
}

.lang-btn:hover {
  background-color: var(--surface-hover);
  border-color: var(--line-strong);
}

.lang-btn:active {
  transform: scale(0.97);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lang-chevron {
  transition: transform 180ms var(--ease-out);
  color: var(--muted);
}

.lang-btn[aria-expanded="true"] .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background-color: var(--surface-high);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 0.35rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  transform-origin: top right;
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
  z-index: 120;
}

.lang-dropdown.open {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--cream);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  user-select: none;
  transition: background-color 120ms var(--ease-out), color 120ms var(--ease-out);
}

.lang-option * {
  pointer-events: none;
}

.lang-option:hover {
  background-color: var(--surface-hover);
}

.lang-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.lang-option.active {
  color: var(--accent);
  font-weight: 600;
  background-color: rgba(230, 169, 92, 0.08);
}

.lang-option .lang-code {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
  padding: 0.15rem 0.35rem;
  background-color: var(--surface);
  border-radius: 4px;
}

.lang-option.active .lang-code {
  color: var(--accent);
  background-color: rgba(230, 169, 92, 0.15);
}

/* --------------------------------------------------------------------------
   Buttons (Emil Kowalski Philosophy)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-decoration: none;
  border-radius: 9999px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: transform 160ms var(--ease-out),
              background-color 160ms var(--ease-out),
              border-color 160ms var(--ease-out),
              box-shadow 160ms var(--ease-out);
}

.btn:active {
  transform: scale(0.97);
}

.btn-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: filter 160ms var(--ease-out), opacity 160ms var(--ease-out);
}

.btn.submitting .btn-label {
  filter: blur(2px);
  opacity: 0.6;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    background-color: var(--accent-soft);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
  }
}

.btn-secondary {
  background-color: var(--surface-high);
  color: var(--cream);
  border-color: var(--line-strong);
}

@media (hover: hover) and (pointer: fine) {
  .btn-secondary:hover {
    background-color: var(--surface);
    border-color: var(--accent);
  }
}

.btn-sm {
  font-size: 0.875rem;
  padding: 0.5rem 1.15rem;
  height: 2.25rem;
}

.btn-lg {
  font-size: 1.0625rem;
  padding: 0.85rem 1.85rem;
  height: 3.25rem;
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

@media (max-width: 960px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

.hero-content {
  max-width: 36rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--cream);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.1875rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 2.25rem;
}

/* Quick Beta Signup Form in Hero */
.hero-action-box {
  margin-bottom: 1.5rem;
}

.beta-quick-form .input-group {
  display: flex;
  gap: 0.5rem;
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 9999px;
  padding: 0.35rem 0.4rem 0.35rem 1.15rem;
  box-shadow: var(--shadow-subtle);
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.beta-quick-form .input-group:focus-within {
  border-color: var(--accent);
}

.input-field {
  background: transparent;
  border: none;
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  width: 100%;
}

.input-field:focus {
  outline: none;
}

.input-field::placeholder {
  color: var(--muted-dark);
  opacity: 1;
}

.btn-form {
  padding: 0.65rem 1.25rem;
  font-size: 0.9375rem;
  flex-shrink: 0;
}

.quick-form-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1rem;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 500;
}

.meta-tag svg {
  color: var(--positive);
}

@media (max-width: 540px) {
  .beta-quick-form .input-group {
    flex-direction: column;
    border-radius: 14px;
    padding: 0.75rem;
  }
  .input-field {
    padding: 0.5rem 0.25rem;
  }
  .btn-form {
    width: 100%;
    border-radius: 10px;
  }
}

/* --------------------------------------------------------------------------
   Interactive Phone Frame Showcase (Hero Right)
   -------------------------------------------------------------------------- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.device-frame {
  position: relative;
  z-index: 2;
  width: 348px;
  max-width: 100%;
  height: 690px;
  background-color: #0d0a08;
  border-radius: 46px;
  padding: 10px;
  box-shadow: var(--shadow-device);
  border: 1px solid var(--line-strong);
}

@media (max-width: 400px) {
  .device-frame {
    width: 310px;
    height: 640px;
    border-radius: 40px;
    padding: 8px;
  }
}

.device-speaker {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: #222;
  border-radius: 2px;
  z-index: 12;
}

.device-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 18px;
  background: #000;
  border-radius: 10px;
  z-index: 10;
}

.device-screen {
  width: 100%;
  height: 100%;
  background-color: var(--bg);
  border-radius: 38px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color 220ms var(--ease-out);
}

.app-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.4rem 0.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
}

.status-battery {
  display: inline-block;
  width: 18px;
  height: 9px;
  border: 1.5px solid var(--muted);
  border-radius: 3px;
  position: relative;
}
.status-battery::after {
  content: '';
  position: absolute;
  right: -3px;
  top: 2px;
  width: 2px;
  height: 3px;
  background: var(--muted);
  border-radius: 0 1px 1px 0;
}

.app-top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1.15rem;
}

.app-welcome {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.app-name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cream);
}

.app-theme-picker {
  display: flex;
  gap: 0.35rem;
  background: var(--surface-high);
  padding: 4px 8px;
  border-radius: 9999px;
  border: 1px solid var(--line);
}

.palette-btn {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 120ms var(--ease-out);
}

.palette-btn[data-palette="candlelight"] { background: #E6A95C; }
.palette-btn[data-palette="midnight"] { background: #5AA9E6; }
.palette-btn[data-palette="forest"] { background: #86C06A; }
.palette-btn[data-palette="rose"] { background: #E68AAE; }

.palette-btn.active {
  border-color: #fff;
  transform: scale(1.15);
}

/* Inside Device: App Summary Card */
.app-summary-card {
  margin: 0.4rem 1rem;
  padding: 0.85rem 1rem;
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
}

.summary-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.summary-badge {
  background: var(--positive-soft);
  color: var(--positive);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
}

.summary-amount {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin: 0.25rem 0 0.4rem;
}

.summary-amount .currency {
  font-size: 0.9375rem;
  color: var(--accent);
  font-weight: 600;
}

.summary-amount .amount-val {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
}

.summary-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: 0.45rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.summary-sub strong {
  color: var(--cream);
}

.summary-alert {
  color: var(--accent);
  font-weight: 500;
}

/* Inside Device: Tabs with Emil Kowalski sliding pill */
.app-tabs-pill {
  position: relative;
  display: flex;
  margin: 0.35rem 1rem;
  background: var(--surface-high);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
  border: 1px solid var(--line);
}

.tab-indicator {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc((100% - 6px) / 4);
  background-color: var(--surface);
  border-radius: 7px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: transform 220ms var(--ease-out);
  pointer-events: none;
  z-index: 1;
}

.app-tab {
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.45rem 0.2rem;
  border-radius: 7px;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 180ms var(--ease-out);
}

.app-tab.active {
  color: var(--cream);
}

/* Inside Device: Item List (Scrollable) */
.app-item-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.4rem 1rem 7.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.app-item-list::-webkit-scrollbar {
  display: none;
}

.mock-row {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  min-width: 0;
  opacity: 0;
  transform: translateY(6px) scale(0.96);
  animation: mockFadeIn 220ms var(--ease-out) forwards;
}

@keyframes mockFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mock-row-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  flex: 1;
  overflow: hidden;
}

.mock-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--surface-high);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  color: var(--accent);
  flex-shrink: 0;
}

.mock-info-text {
  min-width: 0;
  flex: 1;
  overflow: hidden;
}

.mock-info-title {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-info-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-row-right {
  flex-shrink: 0;
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
}

.mock-price {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cream);
  white-space: nowrap;
}

.mock-pill {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}
.mock-pill.warn { background: var(--warn-soft); color: var(--warn); }
.mock-pill.positive { background: var(--positive-soft); color: var(--positive); }

/* Inside Device: Floating Add Button (Authentic SubProof FAB) */
.mockup-fab {
  position: absolute;
  bottom: 64px;
  right: 14px;
  z-index: 20;
  background-color: var(--accent);
  color: var(--on-accent);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.48rem 0.95rem;
  border-radius: 14px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  user-select: none;
  transition: transform 140ms var(--ease-out), background-color 140ms var(--ease-out);
}

.mockup-fab:active {
  transform: scale(0.96);
}

/* Inside Device: Authentic CandleNavBar */
.mockup-nav-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 52px;
  background-color: var(--nav-bg);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 0.5rem 0.25rem;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.mockup-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--muted);
  font-size: 0.625rem;
  font-weight: 500;
  user-select: none;
}

.mockup-nav-item.active {
  color: var(--accent);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Problem Section (Editorial side-by-side icon header)
   -------------------------------------------------------------------------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

.problem-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.25rem;
  transition: border-color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .problem-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-2px);
  }
}

.problem-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.problem-inline-icon {
  color: var(--warn);
  flex-shrink: 0;
}

.problem-body {
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.problem-solution {
  font-size: 0.875rem;
  color: var(--cream);
  padding: 0.5rem 0 0;
  border-top: 1px solid var(--line);
}

.problem-solution strong {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Interactive Leak Calculator Section
   -------------------------------------------------------------------------- */
.calculator-section {
  background-color: var(--surface-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .calc-wrapper {
    grid-template-columns: 1fr;
  }
}

.calc-info {
  max-width: 30rem;
}

.calc-desc {
  font-size: 1.0625rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.calc-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--cream);
  border-left: 1px solid var(--accent);
  padding-left: 1.25rem;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .calc-quote {
    font-size: 0.95rem;
    padding-left: 0.85rem;
    margin-top: 1rem;
  }
}

.calc-card {
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
}

@media (max-width: 600px) {
  .calc-card {
    padding: 1.25rem;
    border-radius: 18px;
  }
}

.calc-control-group {
  margin-bottom: 1.75rem;
}

@media (max-width: 600px) {
  .calc-control-group {
    margin-bottom: 1.25rem;
  }
}

.calc-control-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.calc-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cream);
}

@media (max-width: 600px) {
  .calc-label {
    font-size: 0.875rem;
    line-height: 1.35;
  }
}

.calc-val-display {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.range-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-high);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 120ms var(--ease-out);
}

.range-slider::-webkit-slider-thumb:active {
  transform: scale(1.15);
}

.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.calc-hint {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted-dark);
  margin-top: 0.35rem;
}

.calc-results-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  background: transparent;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 0;
  margin-bottom: 1.75rem;
}

@media (max-width: 520px) {
  .calc-results-panel {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 1rem 0;
  }
}

.calc-res-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.res-label {
  font-size: 0.8125rem;
  color: var(--muted);
}

.res-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
}

.warn-text { color: var(--warn); }
.positive-text { color: var(--positive); }

/* --------------------------------------------------------------------------
   Features Deep Dive Section
   -------------------------------------------------------------------------- */
.feature-strip {
  display: flex;
  flex-direction: column;
  gap: 4.5rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-row.reverse {
  grid-template-columns: 1fr 1fr;
}

.feature-row.reverse .feature-text {
  order: 2;
}

.feature-row.reverse .feature-card-display {
  order: 1;
}

@media (max-width: 860px) {
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .feature-row.reverse .feature-text { order: 1; }
  .feature-row.reverse .feature-card-display { order: 2; }
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 600;
  line-height: 1.22;
  color: var(--cream);
  margin-bottom: 1rem;
}

.feature-p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.feature-check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.feature-check-list li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.9375rem;
  color: var(--cream);
}

.feature-check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--positive);
  font-weight: bold;
}

/* App UI Realistic Cards in Feature Rows */
.app-ui-card {
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

@media (max-width: 600px) {
  .app-ui-card {
    padding: 1.15rem;
    border-radius: 16px;
  }
}

.card-header-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 480px) {
  .card-header-row {
    flex-wrap: wrap;
    gap: 0.65rem;
  }
  .card-item-price,
  .tag-status {
    margin-left: auto;
    font-size: 0.85rem;
    white-space: nowrap;
  }
}

.card-brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface-high);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.card-title-meta {
  flex: 1;
}

.card-item-title {
  display: block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--cream);
}

.card-item-sub {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
}

.card-item-price {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cream);
}

.tag-status {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}
.tag-status.sage-tag {
  background: var(--positive-soft);
  color: var(--positive);
}

.card-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--surface-high);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.card-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}
.card-progress-fill.terracotta-fill {
  background: var(--warn);
}

.card-photo-preview {
  padding: 0.5rem 0;
  margin-bottom: 0.75rem;
}

.mock-receipt {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--accent-soft);
}

.card-footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.footer-alert-text {
  color: var(--accent-soft);
  font-weight: 500;
}

/* OCR Scanner Feature Comp */
.ocr-interactive-actions {
  margin-top: 1.5rem;
}

.ocr-scanner-visual {
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  position: relative;
}

@media (max-width: 600px) {
  .ocr-scanner-visual {
    padding: 1.15rem;
    border-radius: 16px;
  }
  .ocr-receipt-paper {
    padding: 0.85rem;
  }
  .receipt-store-logo {
    font-size: 0.8125rem;
  }
  .receipt-item-row {
    font-size: 0.75rem;
  }
  .receipt-total-row {
    font-size: 0.85rem;
  }
  .total-bold {
    font-size: 1rem;
  }
  .receipt-footer-row {
    font-size: 0.7rem;
    flex-wrap: wrap;
    gap: 0.25rem;
  }
  .ocr-field-pill {
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
  }
}

.ocr-receipt-paper {
  background-color: #16120E;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  font-family: var(--font-sans);
}

.receipt-header-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.receipt-store-logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--cream);
  letter-spacing: 0.04em;
}

.receipt-meta-text {
  font-size: 0.75rem;
  color: var(--muted);
}

.receipt-divider-dash {
  border-bottom: 1px dashed var(--line);
  margin: 0.65rem 0;
}

.receipt-line-items {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--cream);
}

.receipt-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.receipt-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent);
  padding: 0.35rem 0;
}

.total-bold {
  font-family: var(--font-serif);
  font-size: 1.125rem;
}

.receipt-footer-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* Scanning laser line */
.ocr-laser-beam {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
  border-bottom: 1px solid var(--cream);
  opacity: 0;
  pointer-events: none;
}

.ocr-laser-beam.scanning {
  opacity: 1;
  animation: laserScan 1.1s var(--ease-in-out) forwards;
}

@keyframes laserScan {
  0% {
    top: 0;
    opacity: 1;
  }
  50% {
    top: 100%;
    opacity: 1;
  }
  100% {
    top: 0;
    opacity: 0;
  }
}

/* Recognition pills */
.ocr-recognition-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.ocr-field-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--surface-high);
  border: 1px solid var(--line);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  color: var(--muted);
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.ocr-field-pill .field-icon {
  color: var(--positive);
  font-weight: 700;
}

.ocr-field-pill strong {
  color: var(--cream);
}

.ocr-field-pill.detected {
  border-color: var(--positive);
  transform: scale(1.03);
}

/* --------------------------------------------------------------------------
   Privacy Manifesto Section
   -------------------------------------------------------------------------- */
.privacy-section {
  background-color: var(--surface-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.privacy-manifesto {
  max-width: 56rem;
  margin: 0 auto;
}

.privacy-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.privacy-title-icon {
  color: var(--accent);
  flex-shrink: 0;
}

.privacy-lead {
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 44rem;
  margin-bottom: 3rem;
}

.privacy-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: left;
}

@media (max-width: 768px) {
  .privacy-pillars {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.pillar {
  border-top: 2px solid var(--line-strong);
  padding-top: 1.25rem;
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.pillar-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Theme Cards Showcase
   -------------------------------------------------------------------------- */
.theme-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .theme-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .theme-cards-grid {
    grid-template-columns: 1fr;
  }
}

.theme-preview-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.5rem;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.theme-preview-card:active {
  transform: scale(0.97);
}

.theme-preview-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

@media (hover: hover) and (pointer: fine) {
  .theme-preview-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-2px);
  }
}

.theme-swatches {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
}

.theme-swatches span {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.35rem;
}

.theme-desc {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Beta Application Form Section (Dedicated Conversion Goal)
   -------------------------------------------------------------------------- */
.beta-card-wrapper {
  max-width: 44rem;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .beta-card-wrapper {
    padding: 2rem 1.5rem;
  }
}

.beta-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.beta-sub {
  font-size: 1.0625rem;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 0.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.beta-full-form .input-field {
  background-color: var(--surface-card);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--cream);
  width: 100%;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.beta-full-form .input-field:focus {
  border-color: var(--accent);
}

.beta-full-form .select-field {
  appearance: none;
  background-image: url("data:image/svg2+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A7998A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.field-error {
  display: none;
  color: var(--warn);
  font-size: 0.8125rem;
  margin-top: 0.35rem;
}

.input-field.has-error {
  border-color: var(--warn);
}

.input-field.has-error + .field-error {
  display: block;
}

/* Platform Choice Selector Cards */
.platform-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

@media (max-width: 500px) {
  .platform-selector {
    grid-template-columns: 1fr;
  }
}

.platform-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.15rem 0.75rem;
  cursor: pointer;
  text-align: center;
  transition: border-color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}

.platform-card strong {
  font-size: 0.875rem;
  color: var(--cream);
}

.platform-card small {
  font-size: 0.75rem;
  color: var(--muted);
}

.platform-option input[type="radio"]:checked + .platform-card {
  border-color: var(--accent);
  background-color: var(--surface-high);
  box-shadow: 0 0 0 1px var(--accent);
}

.form-disclaimer {
  font-size: 0.8125rem;
  color: var(--muted-dark);
  text-align: center;
  line-height: 1.5;
  margin-top: 1rem;
}

/* Success State Box */
.beta-success-state {
  text-align: center;
  padding: 2rem 1rem;
  animation: successFadeIn 250ms var(--ease-out);
}

@keyframes successFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-icon-bubble {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--positive-soft);
  color: var(--positive);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.success-heading {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.success-body {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}

.success-body strong {
  color: var(--cream);
}

.success-badge-row {
  display: inline-flex;
  gap: 1.5rem;
  background: var(--surface-card);
  border: 1px solid var(--line);
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}

.badge-item {
  font-size: 0.875rem;
  color: var(--muted);
}

.badge-item strong {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   FAQ Section & Emil Kowalski Smooth Accordion Expansion
   -------------------------------------------------------------------------- */
@supports (interpolate-size: allow-keywords) {
  :root {
    interpolate-size: allow-keywords;
  }
  .faq-item::details-content {
    opacity: 0;
    block-size: 0;
    overflow-y: clip;
    transition: content-visibility 240ms var(--ease-out) allow-discrete,
                opacity 240ms var(--ease-out),
                block-size 240ms var(--ease-out);
  }
  .faq-item[open]::details-content {
    opacity: 1;
    block-size: auto;
  }
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 48rem;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 160ms var(--ease-out);
}

.faq-item[open] {
  border-color: var(--line-strong);
}

.faq-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.35rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  color: var(--muted);
  transition: transform 200ms var(--ease-out);
  flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-content {
  padding: 0 1.5rem 1.35rem;
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--surface-card);
  border-top: 1px solid var(--line);
  padding: 4.5rem 0 2.5rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 720px) {
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
}

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-top: 0.85rem;
  max-width: 22rem;
  line-height: 1.5;
}

.footer-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--positive);
  margin-bottom: 0.75rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--positive);
}

.footer-copy-note {
  font-size: 0.8125rem;
  color: var(--muted-dark);
  max-width: 20rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: var(--muted-dark);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 140ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .footer-links a:hover {
    color: var(--cream);
  }
}

/* --------------------------------------------------------------------------
   Sonner-Inspired Toast Notification System (Emil Kowalski Philosophy)
   -------------------------------------------------------------------------- */
.toast-stack {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  pointer-events: none;
  max-width: 380px;
  width: calc(100% - 3rem);
}

.toast {
  position: relative;
  pointer-events: auto;
  background-color: var(--surface-high);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 0.85rem 1.15rem;
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.6), 0 0 1px 1px var(--line);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cream);
  font-size: 0.875rem;
  opacity: 0;
  transform: translateY(12px) scale(0.95);
  transition: transform 200ms var(--ease-out),
              opacity 200ms var(--ease-out);
  will-change: transform, opacity;

  @starting-style {
    opacity: 0;
    transform: translateY(12px) scale(0.95);
  }
}

/* Emil Kowalski Sonner invisible hover bridge between stacked toasts */
.toast::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 10px;
}

.toast.mounted {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast.dismissing {
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  transition-duration: 150ms;
}

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.toast-icon.success {
  background: var(--positive-soft);
  color: var(--positive);
}

.toast-message {
  flex: 1;
  line-height: 1.35;
}

.toast-message strong {
  display: block;
  font-weight: 600;
  color: var(--cream);
}

.toast-message span {
  font-size: 0.8125rem;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   Accessibility & Reduced Motion
   -------------------------------------------------------------------------- */
@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;
  }
  .btn:active,
  .palette-btn:active,
  .theme-preview-card:active {
    transform: none !important;
  }
}