:root {
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--surface-page);
  color: var(--color-white);
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

main {
  display: block;
}

button,
input {
  font: inherit;
}

.is-hidden {
  display: none !important;
}

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
}

.section {
  max-width: var(--container-width);
  margin: 0 auto;
  border-top: var(--border-subtle);
  border-left: var(--border-subtle);
  border-right: var(--border-subtle);
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  background: var(--surface-section);
}

.section--hero {
  border-top: none;
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section--tight-top {
  padding-top: 0;
}

.panel {
  background: var(--surface-panel);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.text-muted-strong {
  color: var(--color-gray-300);
}

.section-heading {
  max-width: 720px;
  margin-bottom: var(--space-8);
}

.section-heading__eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-heading__title {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-heading);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
}

.section-heading__text {
  margin-bottom: 0;
  color: var(--color-gray-300);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

/* =========================
   BUTTONS
========================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--space-10);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn--primary {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-black);
}

.btn--primary:hover {
  background: var(--color-gray-200);
  border-color: var(--color-gray-200);
}

.btn--primary:active {
  background: var(--color-gray-300);
  border-color: var(--color-gray-300);
}

.btn--secondary {
  background: transparent;
  color: var(--color-gray-300);
  border-color: var(--color-gray-700);
}

.btn--secondary:hover {
  color: var(--color-white);
  border-color: var(--color-gray-500);
}

.btn--secondary:active {
  border-color: var(--color-gray-400);
}

.btn--ghost {
  background: var(--color-gray-600);
  color: var(--color-white);
  border-color: var(--color-gray-600);
}

.btn--ghost:hover {
  background: var(--color-gray-500);
  border-color: var(--color-gray-500);
}

.btn--ghost:active {
  background: var(--color-gray-400);
  border-color: var(--color-gray-400);
}

.btn--sm {
  min-height: var(--space-6);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
}

.btn--lg {
  min-height: var(--space-10);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-lg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =========================
   BADGES / PILLS
========================= */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--space-6);
  padding: var(--space-1) var(--space-3);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--surface-panel-strong);
}

.score-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--space-8);
  min-height: var(--space-6);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xl);
  border: var(--border-subtle);
  color: var(--color-white);
  background: var(--color-black);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.score-pill--muted {
  color: var(--color-gray-300);
  background: var(--surface-panel-strong);
}

.source-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--space-8);
  min-height: var(--space-6);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xl);
  border: var(--border-subtle);
  background: var(--surface-panel);
  color: var(--color-gray-300);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.source-pill--live {
  color: var(--color-white);
  border-color: var(--color-gray-500);
}

/* =========================
   HERO
========================= */

.hero {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--space-6);
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-5);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  color: var(--color-gray-300);
  background: var(--surface-panel);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.hero__title {
  margin-bottom: var(--space-4);
  font-size: var(--font-size-5xl);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
  color: var(--color-gray-300);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

/* =========================
   SIMPLE COMPOSER BAR
========================= */

.composer-bar {
  width: 100%;
}

.composer-bar__shell {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 72px;
  padding: var(--space-2);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-panel);
}

.composer-bar__center {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.composer-bar__input {
  width: 100%;
  min-height: var(--space-10);
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-white);
  font-size: var(--font-size-md);
  font-family: var(--font-family);
}

.composer-bar__input::placeholder {
  color: var(--color-gray-500);
}

.composer-bar__input:focus {
  outline: none;
}

.composer-bar__selection {
  display: none;
  margin-top: var(--space-1);
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.composer-bar__selection.is-visible {
  display: block;
}

.composer-bar__icon-button {
  width: var(--space-10);
  height: var(--space-10);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-panel-strong);
  color: var(--color-gray-300);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.composer-bar__icon-button:hover {
  color: var(--color-white);
  border-color: var(--color-gray-500);
}

.composer-bar__icon-button--primary {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-black);
}

.composer-bar__icon-button--primary:hover {
  background: var(--color-gray-200);
  border-color: var(--color-gray-200);
}

.composer-bar__icon-button svg {
  width: var(--space-5);
  height: var(--space-5);
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* =========================
   STICKY COMPOSER
========================= */

.composer-bar--sticky {
  position: fixed;
  left: 50%;
  bottom: var(--space-4);
  width: min(calc(100% - 32px), 980px);
  transform: translateX(-50%) translateY(calc(100% + 32px));
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.composer-bar--sticky.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.composer-bar--sticky .composer-bar__shell {
  border-color: var(--color-gray-600);
  background: rgba(19, 19, 19, 0.94);
  backdrop-filter: blur(12px);
}

/* =========================
   LIBRARY TABS
========================= */

.library-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.library-tab {
  min-height: var(--space-10);
  padding: var(--space-2) var(--space-4);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-panel);
  color: var(--color-gray-300);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
}

.library-tab:hover {
  color: var(--color-white);
  border-color: var(--color-gray-500);
}

.library-tab--active {
  color: var(--color-white);
  border-color: var(--color-gray-400);
  background: var(--surface-panel-strong);
}

/* =========================
   HERO VISUAL
========================= */

.hero-visual {
  overflow: hidden;
}

.hero-visual__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: var(--border-subtle);
}

.hero-visual__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.meta-label {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.library-search {
  width: min(100%, 460px);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-panel-strong);
}

.library-search__input {
  width: 100%;
  min-width: 0;
  min-height: var(--space-8);
  padding: 0 var(--space-3);
  border: none;
  background: transparent;
  color: var(--color-white);
}

.library-search__input::placeholder {
  color: var(--color-gray-500);
}

.library-search__input:focus {
  outline: none;
}

.hero-visual__body {
  padding: var(--space-4);
}

.library-feedback {
  margin-bottom: var(--space-4);
}

.library-feedback:empty {
  display: none;
}

.library-feedback__content {
  padding: var(--space-3) var(--space-4);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-panel-strong);
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
}

.library-feedback__content--error {
  border-color: var(--color-gray-500);
  color: var(--color-white);
}

.library-loadmore {
  min-height: 28px;
  margin-top: var(--space-4);
}

.library-loadmore:empty {
  display: none;
}

.library-loadmore__content {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-panel-strong);
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

.library-loadmore__content--error {
  border-color: var(--color-gray-500);
  color: var(--color-white);
}

.library-loadmore__spinner {
  width: 14px;
  height: 14px;
  border: 1px solid var(--color-gray-600);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: library-spinner 0.9s linear infinite;
  flex-shrink: 0;
}

.library-scroll-sentinel {
  width: 100%;
  height: 1px;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.thumb-card {
  display: block;
  overflow: hidden;
  border: var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--surface-panel-strong);
  transition: var(--transition-fast);
  text-align: left;
  padding: 0;
  color: inherit;
  cursor: pointer;
}

.thumb-card:hover {
  border-color: var(--color-gray-500);
}

.thumb-card--active {
  border-color: var(--color-gray-300);
}

.thumb-card__surface {
  position: relative;
}

.thumb-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--space-6);
  padding: 0 var(--space-3);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: rgba(5, 5, 5, 0.82);
  color: var(--color-gray-300);
  font-size: var(--font-size-xs);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.thumb-card__image {
  aspect-ratio: 16 / 9;
  border-bottom: var(--border-subtle);
}

.thumb-card__image--1 {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

.thumb-card__image--2 {
  background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
}

.thumb-card__image--3 {
  background: linear-gradient(135deg, #22c55e 0%, #166534 100%);
}

.thumb-card__image--4 {
  background: linear-gradient(135deg, #f97316 0%, #7c2d12 100%);
}

.thumb-card__image--5 {
  background: linear-gradient(135deg, #a78bfa 0%, #4c1d95 100%);
}

.thumb-card__image--6 {
  background: linear-gradient(135deg, #fb7185 0%, #881337 100%);
}

.thumb-card__image--7 {
  background: linear-gradient(135deg, #facc15 0%, #a16207 100%);
}

.thumb-card__image--8 {
  background: linear-gradient(135deg, #38bdf8 0%, #0f172a 100%);
}

.thumb-card__image--9 {
  background: linear-gradient(135deg, #4ade80 0%, #14532d 100%);
}

.thumb-card__image--10 {
  background: linear-gradient(135deg, #c084fc 0%, #312e81 100%);
}

.thumb-card__image--fallback {
  background: linear-gradient(135deg, #525252 0%, #171717 100%);
}

.thumb-card__image--media {
  background: var(--color-black);
}

.thumb-card__image-asset {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.thumb-card__footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
}

.thumb-card__copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.thumb-card__eyebrow {
  color: var(--color-gray-400);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.thumb-card__title {
  color: var(--color-white);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.thumb-card__meta {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thumb-card--loading {
  cursor: default;
}

.thumb-card--loading:hover {
  border-color: var(--color-gray-700);
}

.thumb-card__image--placeholder,
.thumb-card__line,
.thumb-card__pill-placeholder {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, #171717 0%, #262626 50%, #171717 100%);
  background-size: 200% 100%;
  animation: thumb-skeleton 1.4s ease-in-out infinite;
}

.thumb-card__line {
  display: block;
  width: 100%;
  height: 12px;
  border-radius: 999px;
}

.thumb-card__line--short {
  width: 68%;
}

.thumb-card__pill-placeholder {
  width: 56px;
  height: 24px;
  border-radius: 999px;
  flex-shrink: 0;
}

.library-state {
  grid-column: 1 / -1;
  padding: var(--space-8);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-panel-strong);
  text-align: center;
}

.library-state--error {
  border-color: var(--color-gray-500);
}

.library-state__title {
  margin-bottom: var(--space-3);
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

.library-state__description {
  max-width: 560px;
  margin: 0 auto;
  color: var(--color-gray-300);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
}

@keyframes thumb-skeleton {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

@keyframes library-spinner {
  0% {
    transform: rotate(0deg);
  }

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

/* =========================
   TRUSTBAR
========================= */

.trustbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--surface-panel);
}

.trustbar__item {
  padding: var(--space-5);
  border-right: var(--border-subtle);
}

.trustbar__item:last-child {
  border-right: none;
}

.trustbar__value {
  margin-bottom: var(--space-2);
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-heading);
}

.trustbar__label {
  color: var(--color-gray-400);
  font-size: var(--font-size-md);
  line-height: var(--line-height-body);
}

/* =========================
   FEATURE GRID
========================= */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.feature-card {
  padding: var(--space-5);
}

.feature-card__top {
  margin-bottom: var(--space-5);
}

.feature-card__title {
  margin-bottom: var(--space-3);
  color: var(--color-white);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-heading);
  font-weight: var(--font-weight-semibold);
}

.feature-card__text {
  margin-bottom: 0;
  color: var(--color-gray-300);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1100px) {
  .thumb-grid,
  .feature-grid,
  .trustbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trustbar__item:nth-child(2) {
    border-right: none;
  }

  .trustbar__item:nth-child(1),
  .trustbar__item:nth-child(2) {
    border-bottom: var(--border-subtle);
  }
}

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

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .thumb-grid,
  .feature-grid,
  .trustbar {
    grid-template-columns: 1fr;
  }

  .trustbar__item {
    border-right: none;
    border-bottom: var(--border-subtle);
  }

  .trustbar__item:last-child {
    border-bottom: none;
  }

  .hero-visual__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-visual__meta,
  .library-search {
    width: 100%;
  }

  .composer-bar--sticky {
    width: calc(100% - 16px);
    bottom: var(--space-2);
  }
}

@media (max-width: 560px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle,
  .section-heading__text {
    font-size: var(--font-size-md);
  }

  .btn,
  .btn--lg {
    min-height: var(--space-8);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-md);
  }

  .composer-bar__shell {
    min-height: 64px;
  }

  .library-search {
    flex-direction: column;
    align-items: stretch;
  }
}