*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ── DeepAI Design Tokens (shared) ── */
.deepai,
html[data-theme="light"],
html[data-theme="dark"] {
  --font-xs: 0.625rem;
  --font-sm: 0.90625rem;
  --font-base: 1.09375rem;
  --font-md: 1.125rem;
  --font-lg: 1.25rem;
  --font-xl: 1.5rem;
  --font-2xl: 1.75rem;
  --font-3xl: 2rem;
  --font-4xl: 2.625rem;
  --font-5xl: 1.875rem;
  --font-6xl: 4.5rem;
  --font-7xl: 2.125rem;
  --grid-margin: 4.5rem;
  --grid-gutter: 2.5rem;
  --max-width-container: 1440px;
  --shape-corner-xs: 4px;
  --shape-corner-lg: 24px;
  --shape-corner-xl: 36px;
  --shape-corner-rounded: 9999px;
  --spacer-xs: 0.25rem;
  --spacer-sm: 0.25rem;
  --spacer-md: 1rem;
  --spacer-lg: 1.5rem;
  --spacer-xl: 2.25rem;
  --header-height: 64px;
  --gemini-app-gradient: linear-gradient(90deg, #217bfe 0%, #078efb 33.53%, #ac87eb 67.74%, #ee4d5d 100%);
  --gemini-models-gradient: linear-gradient(90deg, #3b6bff 0%, #2e96ff 65%, #acb7ff 100%);
  --font: "Google Sans Flex", Arial, Helvetica, sans-serif;
  --prompt-card-blue-background: #dcf1ff;
  --prompt-card-blue-surface: #2b4fda;
  --prompt-card-red-background: #ffeef7;
  --prompt-card-red-surface: #be1c1b;
  --prompt-card-green-background: #daf9d4;
  --prompt-card-green-surface: #008052;
  --prompt-card-yellow-background: #fcffad;
  --prompt-card-yellow-surface: #e57e00;
}

/* ── Light theme ── */
html[data-theme="light"],
.deepai.deepai--light {
  --theme-surface-surface: #ffffff;
  --theme-surface-on-surface: #121317;
  --theme-surface-on-surface-variant: #45474d;
  --theme-surface-surface-container: #f8f9fc;
  --theme-surface-surface-container-high: #eff2f7;
  --theme-surface-surface-container-higher: #e6eaf0;
  --theme-outline-outline: rgba(33, 34, 38, 0.12);
  --theme-outline-outline-variant: rgba(33, 34, 38, 0.06);
  --theme-primary-primary: #121317;
  --theme-primary-on-primary: #ffffff;
  --theme-tonal-tonal: #f8f9fc;
  --theme-tonal-on-tonal: #121317;
  --theme-button-states-text-link-enabled: #45474d;
  --theme-button-states-text-link-hovered: #212226;
  --theme-button-states-text-link-pressed: #18191d;
  --section-background-grey: #f8f9fc;
  --header-sticky-background: rgba(255, 255, 255, 0.9);
  --theme-toggle-background: rgba(255, 255, 255, 0.85);
  --theme-toggle-border: rgba(33, 34, 38, 0.12);
  --theme-toggle-shadow: 0 2px 12px rgba(33, 34, 38, 0.12);
}

/* ── Dark theme ── */
html[data-theme="dark"],
.deepai.deepai--dark {
  --theme-surface-surface: #121317;
  --theme-surface-on-surface: #f8f9fc;
  --theme-surface-on-surface-variant: #b2bbc5;
  --theme-surface-surface-container: #18191d;
  --theme-surface-surface-container-high: #212226;
  --theme-surface-surface-container-higher: #2f3034;
  --theme-outline-outline: rgba(230, 234, 240, 0.12);
  --theme-outline-outline-variant: rgba(230, 234, 240, 0.06);
  --theme-primary-primary: #f8f9fc;
  --theme-primary-on-primary: #121317;
  --theme-tonal-tonal: #212226;
  --theme-tonal-on-tonal: #f8f9fc;
  --theme-button-states-text-link-enabled: #b2bbc5;
  --theme-button-states-text-link-hovered: #e6eaf0;
  --theme-button-states-text-link-pressed: #eff2f7;
  --section-background-grey: #18191d;
  --header-sticky-background: rgba(18, 19, 23, 0.92);
  --theme-toggle-background: rgba(33, 34, 38, 0.85);
  --theme-toggle-border: rgba(230, 234, 240, 0.12);
  --theme-toggle-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

html {
  scroll-behavior: smooth;
}

body.deepai {
  font-family: var(--font);
  background: var(--theme-surface-surface);
  color: var(--theme-surface-on-surface);
  font-size: var(--font-base);
  line-height: 1.45;
  font-feature-settings: "ss02" on;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
.heading-2 {
  font-size: clamp(2rem, 6vw, var(--font-6xl));
  font-weight: 450;
  line-height: 1.06;
  letter-spacing: -0.01067em;
  text-wrap: balance;
}

.heading-5,
.page-title {
  font-size: clamp(1.75rem, 4vw, var(--font-3xl));
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.00867em;
}

@media (min-width: 768px) {
  .page-title {
    font-size: var(--font-4xl);
    line-height: 1.06;
    letter-spacing: -0.00778em;
  }
}

.heading-7 {
  font-size: var(--font-xl);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.0065em;
}

.heading-9 {
  font-size: var(--font-md);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.00389em;
}

.text-body {
  font-size: var(--font-base);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0.01188em;
}

.text-call-to-action--nav {
  font-size: var(--font-sm);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.00917em;
}

.text-small {
  font-size: var(--font-xs);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0.00917em;
}

.text-caption {
  font-size: var(--font-sm);
  font-weight: 400;
  line-height: 1.45;
  color: var(--theme-surface-on-surface-variant);
}

.gradient-gemini {
  background: var(--gemini-models-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding-left: var(--grid-margin);
  padding-right: var(--grid-margin);
}

.container-full {
  width: 100%;
  padding-left: var(--grid-margin);
  padding-right: var(--grid-margin);
}

/* ── Buttons ── */
.button,
.btn-primary,
.btn-outline {
  box-sizing: border-box;
  padding: 12px 24px;
  border-radius: var(--shape-corner-rounded);
  text-decoration: none;
  align-items: center;
  display: inline-flex;
  flex-direction: row;
  gap: var(--spacer-sm);
  justify-content: center;
  cursor: pointer;
  min-width: max-content;
  line-height: 1.25rem;
  font-weight: 450;
  font-family: var(--font);
  font-size: var(--font-base);
  border: none;
  position: relative;
  overflow: hidden;
  transition: opacity 0.15s ease;
}

.button--primary,
.btn-primary {
  background: var(--theme-primary-primary);
  color: var(--theme-primary-on-primary);
}

.button--primary:hover,
.btn-primary:hover {
  opacity: 0.88;
}

.button--tonal,
.btn-outline {
  background: var(--theme-tonal-tonal);
  color: var(--theme-tonal-on-tonal);
}

.button--tonal:hover,
.btn-outline:hover {
  background: var(--theme-surface-surface-container-higher);
}

.button--outlined {
  background: transparent;
  box-shadow: 0 0 0 1px var(--theme-outline-outline);
  color: var(--theme-surface-on-surface);
}

.button--text_link,
.btn-text {
  padding: 0;
  border-radius: var(--shape-corner-xs);
  color: var(--theme-button-states-text-link-enabled);
  background: transparent;
  font-weight: 500;
  min-width: 0;
}

.button--text_link:hover,
.btn-text:hover {
  color: var(--theme-button-states-text-link-hovered);
}

.button--prompt-badge {
  padding: 8px 16px;
  font-size: var(--font-sm);
  font-weight: 500;
  background: transparent;
  box-shadow: 0 0 0 1px var(--theme-outline-outline);
  color: var(--theme-surface-on-surface);
  border-radius: var(--shape-corner-rounded);
}

.button--prompt-badge.is-active,
.button--prompt-badge:hover {
  background: var(--theme-tonal-tonal);
  box-shadow: none;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacer-sm);
  align-items: center;
}

/* ── Header ── */
.glue-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
}

.header-bar {
  position: relative;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 1.75rem;
  padding-right: 1.75rem;
  background: var(--header-sticky-background);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 1024px) {
  .header-bar {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

@media (min-width: 1280px) {
  .header-bar {
    padding-left: var(--grid-margin);
    padding-right: var(--grid-margin);
  }
}

.header-bar__inner {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacer-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--theme-surface-on-surface);
  font-size: var(--font-sm);
  font-weight: 500;
  flex-shrink: 0;
}

.logo-dots {
  display: flex;
  gap: 3px;
  align-items: center;
}

.logo-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.logo-dots span:nth-child(1) { background: #3186ff; }
.logo-dots span:nth-child(2) { background: #ff4641; }
.logo-dots span:nth-child(3) { background: #ffcf03; }
.logo-dots span:nth-child(4) { background: #0ebc5f; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: var(--theme-surface-on-surface-variant);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--shape-corner-rounded);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--theme-surface-on-surface);
  background: var(--theme-surface-surface-container);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
}

.menu-toggle:hover {
  background: var(--theme-surface-surface-container);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--theme-surface-on-surface);
  border-radius: 1px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--theme-surface-surface);
  border-bottom: 1px solid var(--theme-outline-outline-variant);
  padding: 8px 1.75rem 20px;
  z-index: 99;
}

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

.mobile-nav a {
  display: block;
  padding: 14px 12px;
  color: var(--theme-surface-on-surface);
  text-decoration: none;
  border-radius: var(--shape-corner-xs);
}

.mobile-nav a:hover {
  background: var(--theme-surface-surface-container);
}

/* ── Gemini Hero ── */
.gemini-container {
  padding-top: calc(var(--header-height) + var(--grid-margin));
}

.gemini-hero {
  text-align: center;
  padding-bottom: var(--grid-margin);
}

.gemini-hero .page-title {
  margin-bottom: var(--grid-margin);
  color: var(--theme-surface-on-surface);
}

/* Marquee Carousel */
.marquee-carousel {
  --marquee-slide-gap: var(--spacer-md);
  width: 100%;
  padding-bottom: var(--grid-margin);
  overflow: hidden;
}

@media (min-width: 768px) {
  .marquee-carousel {
    --marquee-slide-gap: var(--spacer-lg);
  }
}

.marquee-carousel__row {
  margin: 0 0 var(--marquee-slide-gap) 0;
  overflow: hidden;
  position: relative;
}

.marquee-carousel__row:last-child {
  margin-bottom: 0;
}

.marquee-carousel__track {
  display: flex;
  align-items: stretch;
  will-change: transform;
  width: max-content;
}

.marquee-carousel__row--forward .marquee-carousel__track {
  animation: marquee-forward 50s linear infinite;
}

.marquee-carousel__row--reverse .marquee-carousel__track {
  animation: marquee-reverse 55s linear infinite;
}

.marquee-carousel__row:hover .marquee-carousel__track {
  animation-play-state: paused;
}

@keyframes marquee-forward {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marquee-reverse {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.marquee-carousel__slide {
  flex: 0 0 auto;
  width: 275px;
  min-width: 200px;
  padding-left: calc(var(--marquee-slide-gap) / 2);
  padding-right: calc(var(--marquee-slide-gap) / 2);
  display: flex;
  align-items: stretch;
}

/* Prompt Cards */
.prompt-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--shape-corner-lg);
  padding: var(--spacer-md) var(--spacer-md) 0;
  overflow: hidden;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  text-align: left;
  transition: box-shadow 0.15s ease;
  position: relative;
}

.prompt-card:hover,
.prompt-card.active {
  box-shadow: inset 0 0 0 2px var(--theme-surface-on-surface);
}

.prompt-card--blue {
  background: var(--prompt-card-blue-background);
  color: var(--prompt-card-blue-surface);
}

.prompt-card--red {
  background: var(--prompt-card-red-background);
  color: var(--prompt-card-red-surface);
}

.prompt-card--green {
  background: var(--prompt-card-green-background);
  color: var(--prompt-card-green-surface);
}

.prompt-card--yellow {
  background: var(--prompt-card-yellow-background);
  color: var(--prompt-card-yellow-surface);
}

.prompt-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  padding: 0 8px;
  width: fit-content;
  background: var(--theme-surface-surface);
  color: var(--theme-surface-on-surface);
  border-radius: var(--shape-corner-xs);
  font-size: var(--font-xs);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  margin-bottom: var(--spacer-sm);
}

.prompt-card--blue .prompt-card__badge {
  background: var(--prompt-card-blue-surface);
  color: var(--prompt-card-blue-background);
}

.prompt-card--red .prompt-card__badge {
  background: var(--prompt-card-red-surface);
  color: var(--prompt-card-red-background);
}

.prompt-card--green .prompt-card__badge {
  background: var(--prompt-card-green-surface);
  color: var(--prompt-card-green-background);
}

.prompt-card--yellow .prompt-card__badge {
  background: var(--prompt-card-yellow-surface);
  color: var(--prompt-card-yellow-background);
}

.prompt-card__heading {
  font-size: var(--font-base);
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 4px;
}

.prompt-card__text {
  font-size: var(--font-sm);
  line-height: 1.45;
  opacity: 0.85;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Prompt bar */
.hero-input-area {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--grid-margin);
}

.prompt-bar {
  display: flex;
  align-items: center;
  background: var(--theme-surface-surface);
  border: 1px solid var(--theme-outline-outline);
  border-radius: var(--shape-corner-xl);
  padding: 6px 6px 6px 20px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.prompt-bar:focus-within {
  border-color: rgba(33, 34, 38, 0.24);
  box-shadow: 0 4px 24px rgba(33, 34, 38, 0.08);
}

.prompt-bar input,
.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--font-base);
  font-family: var(--font);
  background: transparent;
  color: var(--theme-surface-on-surface);
  min-width: 0;
}

.prompt-bar input::placeholder,
.search-input::placeholder {
  color: var(--theme-surface-on-surface-variant);
}

.prompt-bar .search-btn,
.search-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--theme-primary-primary);
  color: var(--theme-primary-on-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.15s ease;
}

.prompt-bar .search-btn:hover,
.search-btn:hover {
  opacity: 0.88;
}

.prompt-hints {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacer-sm);
  justify-content: center;
  margin-top: var(--spacer-lg);
}

/* ── Get Started Section ── */
.get-started-section {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  background: var(--section-background-grey);
}

.get-started-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacer-xl);
  align-items: center;
  padding: var(--grid-margin);
  text-align: center;
  text-wrap: balance;
}

.get-started-header .text-caption {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.get-started-body {
  padding: 0 var(--grid-margin) var(--grid-margin);
}

.card-group__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gutter);
}

/* Cards */
.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  text-decoration: none;
  color: inherit;
}

.card__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  border-radius: var(--shape-corner-lg);
  transition: background 0.15s ease;
}

.card--is-link:hover .card__inner {
  background: var(--theme-surface-surface-container-high);
}

.card--promo .card__inner {
  border-radius: var(--shape-corner-lg);
  overflow: hidden;
  background: var(--theme-surface-surface-container);
  outline: 1px solid var(--theme-outline-outline-variant);
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.card--promo.card--featured {
  grid-column: span 2;
}

.card__media {
  flex: 1;
  min-height: 140px;
  position: relative;
  overflow: hidden;
}

.card--featured .card__media {
  min-height: 180px;
}

.media-gradient-1 { background: linear-gradient(135deg, #dcf1ff, #9dd2ff); }
.media-gradient-2 { background: linear-gradient(135deg, #ffeef7, #ffacc2); }
.media-gradient-3 { background: linear-gradient(135deg, #daf9d4, #9be69a); }
.media-gradient-4 { background: linear-gradient(135deg, #fcffad, #fff350); }
.media-gradient-5 { background: linear-gradient(135deg, #e0e7ff, #b8c0ff); }

.card__content {
  padding: var(--spacer-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacer-sm);
  flex: 1;
}

.card__eyebrow {
  color: var(--theme-surface-on-surface-variant);
  text-transform: uppercase;
  margin-bottom: var(--spacer-xs);
}

.card__title {
  font-size: var(--font-md);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.00389em;
}

.card--featured .card__title {
  font-size: var(--font-lg);
}

.card__text {
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
  line-height: 1.45;
  flex: 1;
}

.card__link {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--theme-surface-on-surface);
  margin-top: var(--spacer-sm);
}

/* ── Section Header ── */
.section-block {
  padding: var(--grid-margin) 0;
}

.section-header {
  margin-bottom: 3.75rem;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--spacer-lg);
  margin-bottom: var(--spacer-xl);
  flex-wrap: wrap;
}

.section-header__eyebrow {
  color: var(--theme-surface-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  font-size: var(--font-xs);
  margin-bottom: var(--spacer-md);
}

.section-header__title {
  font-size: clamp(1.5rem, 3vw, var(--font-5xl));
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.00625em;
  margin-bottom: var(--spacer-md);
}

.section-header__paragraph {
  color: var(--theme-surface-on-surface-variant);
  max-width: 560px;
  line-height: 1.45;
}

/* ── Tabs Block ── */
.tabs-block {
  margin-top: var(--spacer-lg);
}

.tabs__tablist {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-bottom: var(--spacer-xl);
}

.tabs__tablist::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--theme-outline-outline);
}

.tabs__container {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  gap: var(--spacer-lg);
  padding-bottom: 1px;
}

.tabs__container::-webkit-scrollbar {
  display: none;
}

.tab-button {
  background: none;
  border: none;
  padding: 12px 0;
  cursor: pointer;
  font-family: var(--font);
  font-size: var(--font-md);
  font-weight: 500;
  color: var(--theme-button-states-text-link-enabled);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-button:hover {
  color: var(--theme-button-states-text-link-hovered);
}

.tab-button.active {
  color: var(--theme-surface-on-surface);
  border-bottom-color: var(--theme-surface-on-surface);
}

.explore-panel {
  display: none;
}

.explore-panel.active {
  display: block;
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gutter);
}

.explore-item {
  display: flex;
  gap: var(--spacer-lg);
  padding: var(--spacer-lg);
  background: var(--theme-surface-surface);
  border-radius: var(--shape-corner-lg);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
  outline: 1px solid var(--theme-outline-outline-variant);
}

.explore-item:hover {
  background: var(--theme-surface-surface-container);
}

.explore-item .thumb {
  width: 120px;
  height: 90px;
  border-radius: var(--shape-corner-xs);
  flex-shrink: 0;
}

.explore-item h4 {
  font-size: var(--font-md);
  font-weight: 500;
  margin-bottom: 6px;
  line-height: 1.35;
}

.explore-item p {
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
  line-height: 1.45;
}

.explore-item .status {
  display: inline-block;
  font-size: var(--font-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--theme-surface-on-surface-variant);
  margin-bottom: 8px;
}

/* ── News Group ── */
.news-group {
  background: var(--section-background-grey);
}

.news-group__wrapper {
  padding-bottom: var(--grid-margin);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gutter);
}

.news-card {
  border-radius: var(--shape-corner-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--theme-surface-surface);
  outline: 1px solid var(--theme-outline-outline-variant);
  transition: background 0.15s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  background: var(--theme-surface-surface-container);
}

.news-card .media {
  height: 160px;
}

.news-card .body {
  padding: var(--spacer-lg);
}

.news-card .meta {
  font-size: var(--font-xs);
  color: var(--theme-surface-on-surface-variant);
  margin-bottom: var(--spacer-sm);
}

.news-card h3 {
  font-size: var(--font-md);
  font-weight: 500;
  line-height: 1.4;
}

/* ── Video / CTA ── */
.video-frame {
  aspect-ratio: 16 / 9;
  background: var(--theme-surface-surface-container);
  border-radius: var(--shape-corner-lg);
  outline: 1px solid var(--theme-outline-outline-variant);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--theme-surface-on-surface-variant);
  gap: var(--spacer-md);
}

.video-frame svg {
  opacity: 0.4;
}

.cta-band {
  padding: var(--grid-margin);
  text-align: center;
  background: var(--theme-surface-surface-container);
}

.cta-band h2 {
  font-size: clamp(1.75rem, 3vw, var(--font-3xl));
  font-weight: 450;
  letter-spacing: -0.00867em;
  margin-bottom: var(--spacer-md);
}

.cta-band p {
  color: var(--theme-surface-on-surface-variant);
  margin-bottom: var(--spacer-xl);
}

/* ── Subpages ── */
.page-hero {
  padding: calc(var(--header-height) + var(--grid-margin)) 0 var(--grid-margin);
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
  margin-bottom: var(--spacer-lg);
}

.breadcrumb a {
  color: var(--theme-button-states-text-link-enabled);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, var(--font-4xl));
  font-weight: 450;
  line-height: 1.06;
  letter-spacing: -0.00778em;
  margin-bottom: var(--spacer-md);
}

.page-hero p {
  color: var(--theme-surface-on-surface-variant);
  max-width: 560px;
  line-height: 1.45;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gutter);
}

.article-card {
  padding: var(--spacer-lg);
  background: var(--theme-surface-surface);
  border-radius: var(--shape-corner-lg);
  text-decoration: none;
  color: inherit;
  outline: 1px solid var(--theme-outline-outline-variant);
  transition: background 0.15s ease;
  display: block;
}

.article-card:hover {
  background: var(--theme-surface-surface-container);
}

.card-meta {
  font-size: var(--font-xs);
  color: var(--theme-surface-on-surface-variant);
  margin-bottom: var(--spacer-sm);
  display: block;
}

.article-card h3 {
  font-size: var(--font-md);
  font-weight: 500;
  margin-bottom: var(--spacer-sm);
  line-height: 1.4;
}

.article-card p {
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
  line-height: 1.45;
}

/* Knowledge */
.knowledge-section {
  margin-bottom: var(--grid-margin);
}

.knowledge-section h2 {
  font-size: var(--font-lg);
  font-weight: 500;
  margin-bottom: var(--spacer-lg);
  padding-bottom: var(--spacer-md);
  border-bottom: 1px solid var(--theme-outline-outline);
}

.knowledge-list {
  list-style: none;
}

.knowledge-list li {
  border-bottom: 1px solid var(--theme-outline-outline-variant);
}

.knowledge-list a {
  display: block;
  padding: var(--spacer-lg) 0;
  text-decoration: none;
  color: inherit;
}

.knowledge-list a:hover h3 {
  color: var(--theme-surface-on-surface-variant);
}

.knowledge-list h3 {
  font-size: var(--font-base);
  font-weight: 500;
  margin-bottom: 4px;
}

.knowledge-list p {
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
}

.knowledge-list .date {
  font-size: var(--font-xs);
  color: var(--theme-surface-on-surface-variant);
  margin-top: 4px;
}

/* AI page */
.ai-page {
  padding: 0 0 var(--grid-margin);
}

.ai-chat-demo {
  max-width: 720px;
  margin: 0 auto;
}

.ai-messages {
  background: var(--theme-surface-surface-container);
  border-radius: var(--shape-corner-lg);
  outline: 1px solid var(--theme-outline-outline-variant);
  padding: var(--spacer-lg);
  min-height: 240px;
  max-height: 480px;
  overflow-y: auto;
  margin-bottom: var(--spacer-lg);
}

.ai-message {
  margin-bottom: var(--spacer-md);
}

.ai-message.user {
  text-align: right;
}

.ai-message .bubble {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: var(--font-sm);
  max-width: 85%;
  text-align: left;
  line-height: 1.45;
}

.ai-message.user .bubble {
  background: var(--theme-primary-primary);
  color: var(--theme-primary-on-primary);
}

.ai-message.assistant .bubble {
  background: var(--theme-surface-surface);
  outline: 1px solid var(--theme-outline-outline-variant);
}

.ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacer-sm);
  margin-top: var(--spacer-lg);
}

.chip {
  background: var(--theme-surface-surface);
  border: none;
  box-shadow: 0 0 0 1px var(--theme-outline-outline);
  border-radius: var(--shape-corner-rounded);
  padding: 8px 16px;
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s ease;
}

.chip:hover {
  background: var(--theme-surface-surface-container);
  color: var(--theme-surface-on-surface);
}

/* About */
.about-content {
  max-width: 720px;
}

.about-content h2 {
  font-size: var(--font-xl);
  font-weight: 500;
  margin: var(--grid-margin) 0 var(--spacer-lg);
}

.about-content p {
  color: var(--theme-surface-on-surface-variant);
  margin-bottom: var(--spacer-md);
  line-height: 1.7;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gutter);
  margin-top: var(--spacer-xl);
}

.value-card {
  padding: var(--spacer-lg);
  border-radius: var(--shape-corner-lg);
  background: var(--theme-surface-surface-container);
  outline: 1px solid var(--theme-outline-outline-variant);
}

.value-card h3 {
  font-size: var(--font-md);
  font-weight: 500;
  margin-bottom: var(--spacer-sm);
}

.value-card p {
  font-size: var(--font-sm);
  margin-bottom: 0;
}

/* ── Footer ── */
.gweb-footer {
  background: var(--theme-surface-surface);
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: var(--grid-margin) var(--grid-margin) 0;
  width: 100%;
}

.footer-main-links__wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--grid-gutter);
  padding-bottom: var(--grid-margin);
}

.footer-brand p {
  color: var(--theme-surface-on-surface-variant);
  font-size: var(--font-sm);
  margin-top: var(--spacer-md);
  max-width: 280px;
  line-height: 1.45;
}

.footer-links h4 {
  font-size: var(--font-xs);
  font-weight: 500;
  margin-bottom: var(--spacer-lg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--theme-surface-on-surface-variant);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--theme-button-states-text-link-enabled);
  text-decoration: none;
  font-size: var(--font-sm);
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--theme-button-states-text-link-hovered);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacer-lg) 0 var(--grid-margin);
  border-top: 1px solid var(--theme-outline-outline-variant);
  font-size: var(--font-sm);
  color: var(--theme-surface-on-surface-variant);
  flex-wrap: wrap;
  gap: var(--spacer-lg);
}

.footer-legal {
  display: flex;
  gap: var(--spacer-lg);
}

.footer-legal a {
  color: var(--theme-surface-on-surface-variant);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--theme-surface-on-surface);
}

.footer-minimal {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: var(--spacer-lg) var(--grid-margin);
}

.footer-minimal .footer-bottom {
  border-top: none;
  padding: 0;
}

/* ── Animations ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .card-group__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card--promo.card--featured {
    grid-column: span 2;
  }

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

/* ── Theme toggle (fixed bottom-right) ── */
.theme-toggle {
  position: fixed;
  right: var(--spacer-lg);
  bottom: var(--spacer-lg);
  z-index: 1000;
  width: 48px;
  height: 48px;
  border-radius: var(--shape-corner-rounded);
  border: 1px solid var(--theme-toggle-border);
  background: var(--theme-toggle-background);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--theme-toggle-shadow);
  color: var(--theme-surface-on-surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.theme-toggle:hover {
  background: var(--theme-surface-surface-container-higher);
  transform: scale(1.05);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--theme-surface-on-surface);
  outline-offset: 2px;
}

.theme-toggle__icon {
  position: absolute;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

html[data-theme="light"] .theme-toggle__icon--sun,
html[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
  pointer-events: none;
}

html[data-theme="light"] .theme-toggle__icon--moon,
html[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

@media (max-width: 768px) {
  html[data-theme="light"],
  html[data-theme="dark"] {
    --grid-margin: 1.75rem;
  }

  .theme-toggle {
    right: var(--spacer-md);
    bottom: var(--spacer-md);
  }

  .nav-links,
  .nav-actions .button--primary,
  .nav-actions .btn-primary {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .card-group__grid {
    grid-template-columns: 1fr;
  }

  .card--promo.card--featured {
    grid-column: span 1;
  }

  .news-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .footer-main-links__wrapper {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacer-xl);
  }

  .explore-item {
    flex-direction: column;
  }

  .explore-item .thumb {
    width: 100%;
    height: 120px;
  }

  .marquee-carousel__slide {
    width: 240px;
  }
}

@media (max-width: 480px) {
  .footer-main-links__wrapper {
    grid-template-columns: 1fr;
  }

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