/* ==========================================================================
   BookPairs custom theme
   ========================================================================== */

:root {
  color-scheme: light dark;
  --color-bg: #f9f7ff;
  --color-surface: #ffffff;
  --color-surface-soft: #f2eeff;
  --color-surface-emphasis: #ebe5ff;
  --color-heading: #1c1a2d;
  --color-text-primary: #221f3d;
  --color-text-secondary: #5f5b77;
  --color-accent: #ab9fbe;
  --color-accent-strong: #8d7aa9;
  --color-accent-soft: rgba(171, 159, 190, 0.18);
  --color-border: rgba(171, 159, 190, 0.24);
  --shadow-soft: 0 20px 55px rgba(36, 28, 58, 0.14);
  --shadow-card: 0 16px 45px rgba(41, 34, 62, 0.12);
  --header-blur: rgba(249, 247, 255, 0.86);
  --badge-bg: rgba(171, 159, 190, 0.18);
  --badge-text: #8d7aa9;
  --gradient-hero: linear-gradient(135deg, #fdf9ff 0%, #f4efff 45%, #f9f4ff 100%);
  --hero-glow: rgba(171, 159, 190, 0.35);
  --contact-surface: rgba(255, 255, 255, 0.9);
  --form-border: rgba(171, 159, 190, 0.28);
  --feature-backdrop: rgba(171, 159, 190, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121015;
    --color-surface: #161222;
    --color-surface-soft: #1c1827;
    --color-surface-emphasis: #201b2f;
    --color-heading: #f4f2f9;
    --color-text-primary: #ebe8f4;
    --color-text-secondary: #bcb3d5;
    --color-accent: #cf447e;
    --color-accent-strong: #a43261;
    --color-accent-soft: rgba(207, 68, 126, 0.22);
    --color-border: rgba(207, 68, 126, 0.24);
    --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.55);
    --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.46);
    --header-blur: rgba(22, 18, 30, 0.9);
    --badge-bg: rgba(207, 68, 126, 0.18);
    --badge-text: #f8aac6;
    --gradient-hero: linear-gradient(135deg, #221c31 0%, #1a1627 50%, #13111d 100%);
    --hero-glow: rgba(207, 68, 126, 0.35);
    --contact-surface: rgba(22, 19, 28, 0.95);
    --form-border: rgba(207, 68, 126, 0.32);
    --feature-backdrop: rgba(207, 68, 126, 0.15);
  }
}

html {
  scroll-padding-top: clamp(60px, calc(2.8rem + 2vw), 120px);
}

body {
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: "Figtree", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
  scroll-behavior: smooth;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-strong);
}

p {
  color: var(--color-heading);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-heading);
}

section {
  position: relative;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.ud-header {
  background: var(--header-blur);
  backdrop-filter: blur(22px);
  max-width: 1180px;
  margin: 16px auto;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 16px;
  z-index: 1040;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ud-header.stuck {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(7, 7, 18, 0.16);
}

.ud-header .navbar {
  padding: 0.85rem 1.5rem;
}

.ud-header .navbar-brand img {
  height: 52px;
  width: auto;
}

.ud-header .nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: #0d0d0d !important;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.ud-header .nav-link:hover,
.ud-header .nav-link:focus {
  color: var(--color-heading);
  background: var(--color-accent-soft);
}

.ud-header .nav-link.active {
  color: var(--color-heading);
  background: var(--color-accent-soft);
}

.navbar-toggler {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.5rem 0.55rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  color: inherit;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.navbar-toggler .toggler-icon {
  width: 24px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-heading);
  margin: 0;
  transition: background 0.2s ease;
}

.navbar-collapse {
  align-items: center;
}

@media (max-width: 991px) {
  .ud-header {
    margin: 12px 16px;
  }

  .ud-header .navbar {
    padding: 0.75rem 1rem;
  }

  .ud-header .navbar-collapse {
    background: var(--color-surface);
    border-radius: 18px;
    box-shadow: var(--shadow-card);
    margin-top: 0.75rem;
    padding: 1.1rem;
    border: 1px solid var(--color-border);
  }

  .navbar-nav .nav-item {
    padding: 0;
    width: 100%;
  }

  .navbar-nav .nav-link {
    display: block;
    padding: 0.65rem 0.75rem;
    border-radius: 12px;
  }
}

.navbar-nav .nav-item > a:hover,
.navbar-nav .nav-item > a:focus {
  color: var(--color-heading);
  background: var(--color-accent-soft);
}

.navbar-nav .nav-item .ud-submenu {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

@media (prefers-color-scheme: dark) {
  .ud-header .nav-link {
    color: var(--color-text-secondary) !important;
  }
}

@media (prefers-color-scheme: light) {
  .ud-hero-content .ud-hero-title {
    color: #000000;
  }

  .ud-hero-content .ud-hero-desc {
    color: #000000;
    opacity: 1;
  }
}

.ud-contact-form .form-control {
  background: var(--color-surface);
  border: 1px solid var(--form-border);
  border-radius: 18px;
  padding: 0.85rem 1rem;
  color: var(--color-text-primary);
  font-weight: 500;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: none;
}

.ud-contact-form .form-control::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.8;
}

.ud-contact-form .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.ud-contact-form textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.ud-contact-form .form-control[readonly] {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.ud-main-btn {
  background: var(--color-accent);
  color: #ffffff;
  border-radius: 999px;
  border: none;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: 0.98rem;
  box-shadow: 0 16px 40px rgba(92, 87, 255, 0.26);
}

.ud-main-btn:hover,
.ud-main-btn:focus {
  background: var(--color-accent-strong);
  color: #ffffff;
}

.ud-ghost-btn {
  background: transparent;
  color: var(--color-heading);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: 0.98rem;
  transition: border 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.ud-ghost-btn:hover,
.ud-ghost-btn:focus {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-heading);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.ud-hero {
  padding: clamp(48px, 10vw, 88px) 0 clamp(80px, 12vw, 120px);
  background: var(--gradient-hero);
  overflow: hidden;
}

.ud-hero::before {
  content: "";
  position: absolute;
  top: 14%;
  left: 50%;
  width: clamp(260px, 48vw, 520px);
  height: clamp(260px, 52vw, 560px);
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 174, 243, 0.28), transparent 65%),
    radial-gradient(circle at 70% 65%, rgba(92, 87, 255, 0.32), transparent 72%);
  filter: blur(80px);
  opacity: 0.55;
  transform: translate(-50%, -40%) scale(0.95) rotate(0deg);
  mix-blend-mode: screen;
  animation: hero-aurora 22s ease-in-out infinite alternate;
  pointer-events: none;
}

.ud-hero::after {
  content: "";
  position: absolute;
  inset: 15% 18% auto;
  height: 45%;
  min-height: 280px;
  background: radial-gradient(circle, var(--hero-glow) 0%, transparent 60%);
  filter: blur(60px);
  opacity: 0.7;
  pointer-events: none;
}

.ud-hero::before,
.ud-hero::after {
  transition: opacity 0.3s ease;
}

@keyframes hero-aurora {
  0% {
    transform: translate(-54%, -42%) scale(0.92) rotate(-6deg);
    opacity: 0.45;
  }
  45% {
    transform: translate(-48%, -36%) scale(1.02) rotate(4deg);
    opacity: 0.62;
  }
  100% {
    transform: translate(-52%, -38%) scale(1) rotate(-8deg);
    opacity: 0.52;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ud-hero::before {
    animation: none;
    opacity: 0.4;
  }
}

@media (prefers-color-scheme: dark) {
  .ud-hero::before {
    opacity: 0.42;
    mix-blend-mode: lighten;
  }
}

.ud-hero .container {
  position: relative;
  z-index: 1;
}

.ud-hero-content {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
  display: grid;
  justify-items: center;
  width: 100%;
}

.hero-layout {
  position: relative;
  display: grid;
  gap: clamp(32px, 6vw, 56px);
}

.hero-copy {
  display: flex;
  justify-content: center;
}

.hero-layout {
  position: relative;
  display: grid;
  gap: clamp(24px, 5vw, 36px);
  justify-items: center;
}

.hero-copy {
  display: flex;
  justify-content: center;
}

.ud-hero-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  display: grid;
  justify-items: center;
  width: 100%;
}

.hero-floating {
  display: flex;
  justify-content: center;
  margin: clamp(16px, 4vw, 28px) auto 0;
  width: 100%;
}

.hero-showcase {
  display: grid;
  gap: clamp(18px, 3vw, 24px);
  justify-items: center;
  width: min(700px, 100%);
  background: var(--color-surface);
  border-radius: 32px;
  padding: clamp(28px, 5vw, 40px);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
}

.hero-showcase-image {
  max-width: min(520px, 90%);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
}

.hero-showcase-image img {
  display: block;
  width: 100%;
}

.hero-showcase-cards {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
  width: 100%;
}

.hero-showcase-card {
  background: var(--color-surface);
  border-radius: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: clamp(18px, 3vw, 24px);
  text-align: center;
  display: grid;
  gap: 0.4rem;
}

.hero-showcase-card span {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent);
}

.hero-showcase-card strong {
  font-size: 2rem;
  color: var(--color-heading);
}

.hero-showcase-card small {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.hero-showcase-card ul {
  padding-left: 1.2rem;
  margin: 0;
  text-align: left;
  color: var(--color-text-secondary);
}

@media (max-width: 991px) {
  .hero-showcase-card ul {
    padding-left: 1rem;
  }
}

.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--badge-bg);
  color: var(--badge-text);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.4rem;
  text-transform: uppercase;
}

.pill-label i {
  font-size: 1rem;
}

.headline-accent {
  display: inline-block;
  font-weight: inherit;
  color: var(--color-heading);
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: none;
  margin-bottom: 0;
}

.ud-hero-title {
  font-size: clamp(2.4rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.ud-hero-desc {
  font-size: 1.1rem;
  margin-bottom: 1.75rem;
}

.ud-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.ud-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  margin-top: 3rem;
}

.hero-mockup {
  background: var(--color-surface);
  border-radius: 36px;
  padding: 18px 14px;
  box-shadow: var(--shadow-soft);
  max-width: 320px;
  width: 100%;
  position: relative;
}

.hero-mockup::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-surface-emphasis);
  opacity: 0.55;
}

.hero-mockup img {
  display: block;
  width: 100%;
  border-radius: 28px;
}

.hero-card {
  position: absolute;
  background: var(--color-surface);
  border-radius: 20px;
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow-card);
  min-width: 220px;
  display: grid;
  gap: 0.35rem;
  color: var(--color-text-secondary);
}

.hero-card span {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-card strong {
  font-size: 1.45rem;
  color: var(--color-heading);
}

.hero-card small {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.hero-card-community ul {
  margin: 0;
  padding-left: 1.1rem;
  list-style: disc;
  color: var(--color-text-secondary);
}

.stats-card {
  position: absolute;
  left: -6%;
  top: 12%;
  background: var(--color-surface);
  border-radius: 22px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  display: grid;
  gap: 0.45rem;
  max-width: 220px;
}

.stats-card h4 {
  font-size: 1rem;
  color: var(--color-heading);
  margin: 0;
}

.stats-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
}

.stats-card li + li {
  margin-top: 0.2rem;
}

@media (max-width: 991px) {
  .stats-card {
    position: static;
    max-width: 300px;
    margin: 1.2rem auto 0;
  }
}

.hero-card-community li {
  font-size: 0.88rem;
}

.hero-card-progress {
  bottom: 45%;
  left: 5%;
}

.hero-card-community {
  right: 2%;
  bottom: 5%;
}

/* --------------------------------------------------------------------------
   Section scaffolding
   -------------------------------------------------------------------------- */
.ud-section-title {
  text-align: left;
  margin-bottom: 1.75rem;
}

.ud-section-title span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ud-section-title h2 {
  font-size: clamp(2.1rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 1rem 0 0.75rem;
}

.ud-section-desc {
  max-width: 580px;
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   Document pages
   -------------------------------------------------------------------------- */
.page-section {
  padding: clamp(72px, 12vw, 120px) 0;
  background: var(--color-bg);
}

.page-heading {
  display: grid;
  gap: clamp(12px, 3vw, 18px);
  justify-items: center;
  text-align: center;
  margin-bottom: clamp(32px, 6vw, 56px);
}

.page-heading span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-heading h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-heading);
  margin: 0;
}

.page-heading p {
  max-width: 620px;
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

.page-content {
  background: var(--color-surface);
  border-radius: 28px;
  padding: clamp(24px, 5vw, 48px);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

@media (max-width: 575px) {
  .page-content {
    padding: clamp(20px, 10vw, 28px);
  }
}

.page-content > *:first-child {
  margin-top: 0;
}

.prose {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-primary);
}

.prose h2,
.prose h3 {
  color: var(--color-heading);
  margin: clamp(28px, 5vw, 42px) 0 clamp(12px, 2vw, 18px);
  line-height: 1.3;
}

.prose h2 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
}

.prose h3 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
}

.prose p {
  margin: 0;
  color: var(--color-text-secondary);
}

.prose ul,
.prose ol {
  margin: 0;
  padding-left: 1.4rem;
  color: var(--color-text-secondary);
  display: grid;
  gap: 0.4rem;
}

.prose li::marker {
  color: var(--color-accent);
}

.prose a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.prose a:hover,
.prose a:focus {
  color: var(--color-accent-strong);
  text-decoration: underline;
}

.prose address {
  margin: 0;
  padding: 1.1rem 1.25rem;
  border-radius: 20px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  font-style: normal;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.prose strong {
  color: var(--color-heading);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 18px;
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.prose table th,
.prose table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.prose table th {
  color: var(--color-heading);
  background: var(--color-surface-soft);
}

.prose table tr:last-child td {
  border-bottom: none;
}

.prose blockquote {
  margin: 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface-soft);
  border-radius: 18px;
  color: var(--color-text-secondary);
}

.prose hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: clamp(28px, 5vw, 48px) 0;
}

@media (prefers-color-scheme: dark) {
  .page-content {
    border-color: var(--form-border);
  }

  .prose address,
  .prose blockquote,
  .prose table th {
    background: var(--color-surface-soft);
  }
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */
.ud-about {
  padding: clamp(80px, 12vw, 120px) 0;
  background: var(--color-bg);
}

.ud-about-visual {
  background: var(--color-surface);
  padding: 1.2rem;
  border-radius: 28px;
  box-shadow: var(--shadow-card);
}

.ud-about-visual img {
  border-radius: 22px;
  width: 100%;
  display: block;
}

.highlight-grid {
  display: grid;
  gap: clamp(16px, 3vw, 22px);
}

@media (min-width: 576px) {
  .highlight-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

.hero-highlight-grid {
  width: 100%;
  max-width: 680px;
  grid-template-columns: 1fr;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero-highlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.hero-highlight-grid .highlight-item {
  padding: clamp(18px, 3vw, 26px);
  font-size: 1.02rem;
}

.hero-highlight-grid .highlight-item strong {
  font-size: 1.12rem;
}

.highlight-item {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  font-size: 0.98rem;
  color: var(--color-text-secondary);
}

.highlight-item strong {
  color: var(--color-heading);
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   Features grid
   -------------------------------------------------------------------------- */
.ud-features {
  padding: clamp(80px, 12vw, 120px) 0;
  background: var(--color-bg);
}

.feature-grid {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.ud-features .section-intro {
  text-align: center;
  align-items: center;
}

.ud-features .intro-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 620px;
}

.ud-features .feature-grid {
  justify-items: center;
}

.ud-features .info-card {
  text-align: center;
}

.ud-features .info-card .stack-sm {
  align-items: center;
  text-align: center;
}

.ud-features .icon-chip {
  margin-inline: auto;
}

@media (min-width: 992px) {
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.info-card {
  background: var(--color-surface);
  border-radius: 24px;
  padding: clamp(24px, 3.5vw, 32px);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 55px rgba(41, 35, 80, 0.18);
}

.info-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.icon-chip {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 1.35rem;
}

.section-intro {
  margin-bottom: clamp(32px, 6vw, 56px);
}

.intro-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-text-secondary);
  display: grid;
  gap: 0.35rem;
  font-size: 0.98rem;
  list-style: disc;
}

.intro-list strong {
  color: var(--color-heading);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Showcase
   -------------------------------------------------------------------------- */

.ud-showcase {
  padding: clamp(80px, 12vw, 120px) 0;
  background: var(--color-surface-soft);
}

.ud-showcase .section-intro {
  text-align: center;
  align-items: center;
}

.ud-showcase .intro-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 620px;
}

.ud-showcase .intro-list li {
  list-style: none;
}


.screenshot-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 32px);
}

@media (min-width: 768px) {
  .screenshot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .screenshot-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.screenshot-card {
  background: var(--color-surface);
  border-radius: 28px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  gap: clamp(14px, 2vw, 18px);
  text-align: center;
}

.screenshot-card h3 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--color-heading);
}

.screenshot-card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--color-text-secondary);
}

.screenshot-frame {
  position: relative;
  border-radius: 32px;
  padding: 18px 14px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.screenshot-frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-border);
  opacity: 0.45;
}

.screenshot-frame img {
  width: 100%;
  border-radius: 24px;
  display: block;
}

.screenshot-callout {
  margin-top: clamp(48px, 6vw, 72px);
  background: var(--color-surface-emphasis);
  border-radius: 32px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 5vw, 40px);
}

.ud-about .about-content {
  max-width: 700px;
  margin: 0 auto clamp(32px, 6vw, 48px);
}

.about-body {
  display: grid;
  gap: clamp(28px, 6vw, 44px);
  max-width: 1000px;
  margin: 0 auto;
}

.about-highlight-grid {
  display: grid;
  gap: clamp(18px, 3.5vw, 28px);
  margin-top: clamp(12px, 3vw, 18px);
}

@media (min-width: 576px) {
  .about-highlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.about-highlight-grid .highlight-item {
  text-align: center;
  justify-items: center;
  gap: clamp(12px, 3vw, 18px);
  padding: clamp(20px, 4vw, 30px);
}

.about-highlight-grid .highlight-item strong {
  font-size: 1.12rem;
}

.about-highlight-grid .highlight-item p {
  margin-bottom: 0;
}

.ud-about .about-content h2,
.ud-about .about-content .ud-section-desc {
  text-align: center;
  margin-inline: auto;
}

.ud-about .about-content .ud-section-desc {
  max-width: 620px;
}

.ud-about .ud-section-desc {
  text-align: center;
}

.callout-copy h3 {
  font-size: clamp(1.6rem, 2.8vw, 2rem);
  margin-bottom: 0.4rem;
}

.callout-bullets {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-text-secondary);
  display: grid;
  gap: 0.35rem;
  font-size: 0.98rem;
  list-style: disc;
}

.callout-bullets strong {
  color: var(--color-heading);
  font-weight: 600;
}

.callout-visual {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
}

.callout-frame {
  position: relative;
  border-radius: 32px;
  padding: 18px 14px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.callout-frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-border);
  opacity: 0.45;
}

.callout-frame img {
  width: 100%;
  border-radius: 24px;
  display: block;
}

.callout-card {
  position: absolute;
  background: var(--color-surface);
  border-radius: 22px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 1rem 1.15rem;
  width: min(240px, 78%);
  display: grid;
  gap: 0.4rem;
}

.callout-card span {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent);
}

.callout-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  display: grid;
  gap: 0.2rem;
  list-style: disc;
}

.callout-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.96rem;
}

.callout-card-top {
  top: -8%;
  right: -12%;
}

.callout-card-bottom {
  bottom: -16%;
  left: -8%;
}

@media (max-width: 1199px) {
  .callout-card-top {
    right: -6%;
  }

  .callout-card-bottom {
    left: -4%;
    bottom: -12%;
  }
}

@media (max-width: 991px) {
  .screenshot-callout {
    padding: clamp(24px, 7vw, 36px);
  }

  .callout-visual {
    max-width: 360px;
  }

  .callout-card {
    position: static;
    width: 100%;
    margin-top: 1rem;
  }
}

@media (max-width: 575px) {
  .screenshot-callout {
    border-radius: 24px;
  }
}

/* --------------------------------------------------------------------------
   Download section
   -------------------------------------------------------------------------- */
.ud-download {
  padding: clamp(70px, 10vw, 110px) 0;
  background: var(--color-surface);
}

.ud-download .section-intro {
  text-align: center;
  align-items: center;
}

.ud-download .intro-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 620px;
}

.ud-download .intro-list li {
  list-style: none;
}

.ud-download .ud-download-buttons {
  justify-content: center;
}

.ud-download .ud-download-buttons a {
  justify-content: center;
}

.ud-download .d-flex {
  justify-content: center !important;
}

.ud-download-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.ud-download-buttons img {
  height: 48px;
  width: auto;
  filter: none;
}

.ud-download-buttons a {
  display: inline-flex;
  align-items: center;
  transition: transform 0.2s ease;
}

.ud-download-buttons a:hover {
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.ud-contact {
  padding: clamp(80px, 12vw, 120px) 0;
  background: var(--color-bg);
}

.ud-contact .info-card {
  max-width: 540px;
  width: 100%;
  margin: 0 auto;
}

.ud-contact-form-wrapper {
  background: var(--contact-surface);
  border-radius: 26px;
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--form-border);
}

.ud-contact-form-title {
  font-size: 1.2rem;
  margin-bottom: 1.6rem;
  color: var(--color-heading);
  text-align: center;
}

.contact-points {
  list-style: none;
  padding: 0;
  margin: 2.2rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.contact-points li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--color-surface);
  border-radius: 18px;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-card);
  color: var(--color-text-secondary);
}

.contact-points li i {
  color: var(--color-accent);
  font-size: 1.1rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.ud-footer {
  background: var(--color-surface);
  color: #000000;
}

.ud-footer p,
.ud-footer a,
.ud-footer a:visited,
.ud-footer a:hover,
.ud-footer a:focus,
.ud-footer li,
.ud-footer span,
.ud-footer .ud-widget-title,
.ud-footer .ud-widget-desc {
  color: #000000 !important;
  text-decoration: none;
}

.ud-footer-widgets {
  padding: clamp(24px, 4.5vw, 36px) 0 clamp(86px, 11vw, 104px);
}

.ud-footer .social-media,
.ud-footer .ud-widget-links,
.ud-footer .social-media li,
.ud-footer .ud-widget-links li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ud-footer .ud-widget-links {
  display: grid;
  gap: clamp(0.35rem, 1vw, 0.5rem);
}

.ud-footer .ud-widget-links a {
  display: inline-block;
  margin: 0;
  line-height: 1.6;
  transition: padding 0.25s ease, color 0.25s ease;
}

.ud-footer .ud-widget-links a:hover,
.ud-footer .ud-widget-links a:focus {
  padding-left: 10px;
}

.ud-footer-bottom {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-soft);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
  display: grid;
  place-items: center;
  box-shadow: 0 20px 45px rgba(92, 87, 255, 0.35);
  opacity: 0.9;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1050;
}

.back-to-top:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */
.stack-sm > * + * {
  margin-top: clamp(12px, 2vw, 18px);
}

.stack-md > * + * {
  margin-top: clamp(16px, 3vw, 28px);
}

.stack-lg > * + * {
  margin-top: clamp(24px, 4vw, 40px);
}

.split-layout {
  display: grid;
  gap: clamp(32px, 5vw, 48px);
  align-items: center;
}

@media (min-width: 992px) {
  .split-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.stat-badge i {
  color: var(--color-accent);
  font-size: 1rem;
}

.stat-badge strong {
  font-size: 1.1rem;
  color: var(--color-heading);
}

.stat-badge::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(
    120deg,
    rgba(171, 159, 190, 0) 25%,
    rgba(171, 159, 190, 0.25) 42%,
    rgba(92, 87, 255, 0.4) 52%,
    rgba(92, 87, 255, 0) 70%
  );
  transform: translateX(-95%);
  opacity: 0.2;
  pointer-events: none;
  mix-blend-mode: screen;
  animation: badge-shimmer 6.5s linear infinite;
  will-change: transform, opacity;
}

.stat-badge:hover::before,
.stat-badge:focus-visible::before {
  opacity: 0.85;
}

@keyframes badge-shimmer {
  0%,
  10% {
    transform: translateX(-95%);
    opacity: 0.45;
  }
  35% {
    transform: translateX(0%);
    opacity: 0.85;
  }
  55% {
    transform: translateX(95%);
    opacity: 0.25;
  }
  70%,
  100% {
    transform: translateX(110%);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stat-badge::before {
    animation: none;
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   Responsive tweaks
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .stack-lg {
    text-align: center;
  }

  .highlight-grid {
    margin-inline: auto;
    max-width: 520px;
  }

  .ud-hero-visual {
    margin-top: 2.5rem;
  }

  .ud-hero-buttons {
    justify-content: center;
  }

  .hero-highlight-grid {
    grid-template-columns: 1fr;
  }

  .hero-card-progress,
  .hero-card-community {
    position: static;
    margin: 1.2rem auto 0;
  }
}

@media (max-width: 575px) {
  .ud-header {
    margin: 12px;
  }

  .hero-mockup {
    max-width: 280px;
  }

  .ud-download-buttons img {
    height: 48px;
  }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .ud-header .nav-link:hover,
  .ud-header .nav-link:focus,
  .ud-header .nav-link.active {
    color: var(--color-heading) !important;
  }

  .highlight-item,
  .info-card,
  .screenshot-card,
  .ud-contact-form-wrapper,
  .hero-card,
  .stats-card,
  .screenshot-callout,
  .callout-card,
  .callout-frame {
    background: var(--color-surface-soft);
    border-color: rgba(207, 68, 126, 0.28);
  }

  .hero-mockup {
    background: var(--color-surface);
  }

  .screenshot-frame {
    background: var(--color-surface);
  }

  .ud-download {
    background: var(--color-surface-soft);
  }

  .ud-footer,
  .ud-footer p,
  .ud-footer a,
  .ud-footer a:visited,
  .ud-footer a:hover,
  .ud-footer a:focus,
  .ud-footer li,
  .ud-footer span,
  .ud-footer .ud-widget-title,
  .ud-footer .ud-widget-desc {
    color: #ffffff !important;
  }
}