/* ================================================================
   FlowyML Documentation — Premium Theme v3.0
   ================================================================
   Features:
   • Animated gradient header & footer
   • Glowing admonitions per-type
   • Interactive navigation & ToC
   • Polished code blocks & tables
   • Responsive mobile/tablet refinements
   • Premium dark-mode (slate) overrides
   • Smooth micro-animations throughout
   • Hero sections, header-grid cards, step-timelines, feature-pills
   ================================================================ */

/* ===== CSS Custom Properties ===== */
:root {
  --fm-accent: #6366f1;
  --fm-accent-light: #818cf8;
  --fm-accent-glow: rgba(99, 102, 241, 0.25);
  --fm-surface: rgba(255, 255, 255, 0.92);
  --fm-surface-alt: rgba(248, 250, 252, 0.95);
  --fm-radius: 12px;
  --fm-radius-lg: 16px;
  --fm-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --fm-gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  --fm-gradient-surface: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(249,250,251,0.98));
  --fm-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --fm-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --fm-shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --fm-shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

[data-md-color-scheme="slate"] {
  --fm-surface: rgba(30, 30, 60, 0.6);
  --fm-surface-alt: rgba(22, 22, 48, 0.8);
  --fm-gradient-surface: linear-gradient(135deg, rgba(30,30,60,0.6), rgba(20,20,45,0.8));
  --fm-shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --fm-shadow-md: 0 4px 16px rgba(0,0,0,0.25);
  --fm-shadow-lg: 0 12px 40px rgba(0,0,0,0.35);
}

/* ===== Hero Gradient Header ===== */
.md-header {
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #0f0f23 100%);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
}

.md-header__button.md-logo img {
  filter: brightness(1.15) drop-shadow(0 0 8px var(--fm-accent-glow));
  transition: filter var(--fm-transition);
}

.md-header__button.md-logo:hover img {
  filter: brightness(1.3) drop-shadow(0 0 14px rgba(99, 102, 241, 0.5));
}

/* ===== Navigation Tabs ===== */
.md-tabs {
  background: linear-gradient(135deg, #111128, #1a1a3e);
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.md-tabs__link {
  transition: color var(--fm-transition), border-color var(--fm-transition);
}

.md-tabs__link--active {
  border-bottom: 2px solid var(--fm-accent-light);
  color: #c7d2fe !important;
}

.md-tabs__link:hover {
  color: #a5b4fc !important;
}

/* ===== Smooth Content Transitions ===== */
.md-content {
  animation: fadeUp 0.35s ease-out;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   NEW v3.0 — Premium Component Library
   ================================================================ */

/* ===== Hero Section ===== */
.hero-section {
  background: linear-gradient(135deg, #0f0f23 0%, #1e1b4b 40%, #312e81 100%);
  border-radius: var(--fm-radius-lg);
  padding: 2.5rem 2rem;
  margin: -0.5rem -0.5rem 2rem -0.5rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(99,102,241,0.15) 0%, transparent 70%);
  animation: heroGlow 6s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0%   { opacity: 0.4; transform: scale(1); }
  100% { opacity: 0.8; transform: scale(1.1); }
}

.hero-section h1,
.hero-section h2 {
  color: white !important;
  -webkit-text-fill-color: white !important;
  background: none !important;
  border: none !important;
  margin: 0 0 0.5rem 0 !important;
  padding: 0 !important;
  position: relative;
  z-index: 1;
}

.hero-section p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.hero-section .feature-badge {
  background: rgba(255,255,255,0.12) !important;
  color: #c7d2fe !important;
  border-color: rgba(255,255,255,0.2) !important;
  backdrop-filter: blur(4px);
}

[data-md-color-scheme="slate"] .hero-section {
  background: linear-gradient(135deg, #0a0a1a 0%, #151530 40%, #1e1b4b 100%);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

/* ===== Header Grid — 3-Column Feature Cards ===== */
.header-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0 2rem 0;
}

.header-card {
  background: var(--fm-gradient-surface);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--fm-radius);
  padding: 1.4rem 1.3rem;
  transition: all var(--fm-transition);
  position: relative;
  overflow: hidden;
}

.header-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--fm-gradient-primary);
  opacity: 0;
  transition: opacity var(--fm-transition);
}

.header-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--fm-shadow-lg), var(--fm-shadow-glow);
  border-color: rgba(99, 102, 241, 0.3);
}

.header-card:hover::before {
  opacity: 1;
}

.header-card h3 {
  margin-top: 0 !important;
  font-size: 0.95rem;
  font-weight: 700;
  border: none !important;
}

.header-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  opacity: 0.85;
  margin-bottom: 0;
}

[data-md-color-scheme="slate"] .header-card {
  background: var(--fm-gradient-surface);
  border-color: rgba(99, 102, 241, 0.18);
}

/* ===== Step Timeline ===== */
.step-timeline {
  position: relative;
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.step-timeline::before {
  content: '';
  position: absolute;
  left: 0.7rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--fm-accent), rgba(99,102,241,0.2));
  border-radius: 2px;
}

.step-timeline .timeline-step {
  position: relative;
  padding: 0.8rem 0 1.2rem 1rem;
}

.step-timeline .timeline-step::before {
  content: '';
  position: absolute;
  left: -1.55rem;
  top: 1.1rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--fm-accent);
  box-shadow: 0 0 0 4px var(--fm-surface), 0 0 0 5px rgba(99,102,241,0.3);
  z-index: 1;
}

.step-timeline .timeline-step h4 {
  margin: 0 0 0.3rem 0 !important;
  font-weight: 700;
  font-size: 0.9rem;
}

.step-timeline .timeline-step p {
  margin: 0;
  font-size: 0.84rem;
  opacity: 0.8;
  line-height: 1.5;
}

/* ===== Feature Pill Badges ===== */
.feature-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15em 0.55em;
  border-radius: 10px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 0.4em;
  line-height: 1.6;
}

.feature-pill.new {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.feature-pill.pro {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
}

.feature-pill.beta {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.feature-pill.enterprise {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* ===== Premium Card Styling ===== */
.md-typeset .grid.cards > ul > li {
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: var(--fm-radius);
  transition: all var(--fm-transition);
  background: var(--fm-gradient-surface);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li {
  background: linear-gradient(135deg, rgba(30, 30, 60, 0.6), rgba(20, 20, 45, 0.8));
  border-color: rgba(99, 102, 241, 0.2);
}

.md-typeset .grid.cards > ul > li:hover {
  transform: translateY(-4px);
  box-shadow: var(--fm-shadow-lg), var(--fm-shadow-glow);
  border-color: rgba(99, 102, 241, 0.35);
}

/* ===== Code Blocks — Polished ===== */
.md-typeset pre > code {
  border-radius: 10px;
  font-size: 0.82rem;
}

.md-typeset code {
  border-radius: 4px;
  font-size: 0.82em;
  padding: 0.15em 0.4em;
}

.md-typeset .highlight .copy {
  border-radius: 6px;
  transition: opacity var(--fm-transition), background var(--fm-transition);
}

.md-typeset .highlight:hover .copy {
  opacity: 1;
}

/* ===== Table Styling — Enhanced v3.0 ===== */
.md-typeset table:not([class]) {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(99, 102, 241, 0.1);
  box-shadow: var(--fm-shadow-sm);
  width: 100%;
}

.md-typeset table:not([class]) th {
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.7rem;
  padding: 0.9em 1em;
  color: rgba(0,0,0,0.6);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: linear-gradient(135deg, #1e1e3e, #252545);
  color: rgba(255,255,255,0.6);
}

.md-typeset table:not([class]) td {
  padding: 0.75em 1em;
  transition: all var(--fm-transition);
  border-left: 3px solid transparent;
}

.md-typeset table:not([class]) tr:hover td {
  background-color: rgba(99, 102, 241, 0.04);
  border-left-color: var(--fm-accent);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tr:hover td {
  background-color: rgba(99, 102, 241, 0.08);
}

/* ===== Admonitions — Glowing Premium ===== */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 10px;
  box-shadow: var(--fm-shadow-sm);
  border-left: 4px solid;
  transition: box-shadow var(--fm-transition), transform var(--fm-transition);
}

.md-typeset .admonition:hover,
.md-typeset details:hover {
  box-shadow: var(--fm-shadow-md);
  transform: translateY(-1px);
}

/* Per-type glow colors */
.md-typeset .admonition.note,
.md-typeset details.note {
  border-left-color: #448aff;
}
.md-typeset .admonition.note:hover {
  box-shadow: 0 4px 20px rgba(68, 138, 255, 0.12);
}

.md-typeset .admonition.tip,
.md-typeset details.tip {
  border-left-color: #00bfa5;
}
.md-typeset .admonition.tip:hover {
  box-shadow: 0 4px 20px rgba(0, 191, 165, 0.12);
}

.md-typeset .admonition.info,
.md-typeset details.info {
  border-left-color: #6366f1;
}
.md-typeset .admonition.info:hover {
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.12);
}

.md-typeset .admonition.warning,
.md-typeset details.warning {
  border-left-color: #ff9100;
}
.md-typeset .admonition.warning:hover {
  box-shadow: 0 4px 20px rgba(255, 145, 0, 0.12);
}

.md-typeset .admonition.danger,
.md-typeset details.danger,
.md-typeset .admonition.important,
.md-typeset details.important {
  border-left-color: #ff5252;
}
.md-typeset .admonition.danger:hover,
.md-typeset .admonition.important:hover {
  box-shadow: 0 4px 20px rgba(255, 82, 82, 0.12);
}

.md-typeset .admonition.success,
.md-typeset details.success {
  border-left-color: #00c853;
}
.md-typeset .admonition.success:hover {
  box-shadow: 0 4px 20px rgba(0, 200, 83, 0.12);
}

/* Admonition title icon glow */
.md-typeset .admonition-title {
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ===== Sidebar Polish ===== */
.md-nav__link {
  transition: color var(--fm-transition), padding-left var(--fm-transition);
  border-radius: 6px;
}

.md-nav__link:hover {
  color: var(--fm-accent) !important;
  padding-left: 4px;
}

.md-nav__item--active > .md-nav__link {
  font-weight: 600;
  color: var(--fm-accent) !important;
  background: rgba(99, 102, 241, 0.06);
  border-radius: 6px;
  position: relative;
}

.md-nav__item--active > .md-nav__link::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--fm-accent);
  border-radius: 2px;
}

/* ===== ToC — Right Sidebar ===== */
.md-sidebar--secondary .md-nav__link--active {
  color: var(--fm-accent) !important;
  font-weight: 600;
  border-left: 2px solid var(--fm-accent);
  padding-left: 10px;
}

/* ===== Footer ===== */
.md-footer {
  background: linear-gradient(135deg, #0f0f23, #1a1a3e);
}

.md-footer-meta {
  background: transparent;
}

/* ===== Search ===== */
.md-search__form {
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.08);
  transition: background-color var(--fm-transition), box-shadow var(--fm-transition);
}

.md-search__form:hover,
.md-search__form:focus-within {
  background-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* ===== Back to Top ===== */
.md-top {
  border-radius: 50%;
  box-shadow: var(--fm-shadow-md);
  transition: transform var(--fm-transition), box-shadow var(--fm-transition);
}

.md-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--fm-shadow-lg);
}

/* ===== Page Title Enhancement ===== */
.md-typeset h1 {
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #1e1b4b, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-md-color-scheme="slate"] .md-typeset h1 {
  background: linear-gradient(135deg, #c7d2fe, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md-typeset h2 {
  font-weight: 700;
  border-bottom: 2px solid rgba(99, 102, 241, 0.1);
  padding-bottom: 0.4em;
  margin-top: 2.2em;
  position: relative;
  padding-left: 0.6em;
  border-left: 3px solid var(--fm-accent);
}

.md-typeset h3 {
  font-weight: 600;
}

/* ===== Links ===== */
.md-typeset a:not(.md-nav__link):not(.md-header__button):not(.md-tabs__link):not(.md-footer__link) {
  color: var(--fm-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fm-transition);
}

.md-typeset a:not(.md-nav__link):not(.md-header__button):not(.md-tabs__link):not(.md-footer__link):hover {
  border-bottom-color: var(--fm-accent);
}

/* ===== Announcement Bar ===== */
.md-banner {
  background: linear-gradient(90deg, #6366f1, #8b5cf6, #6366f1);
  background-size: 200% 100%;
  animation: shimmer 3s ease infinite;
  color: white;
  font-weight: 500;
  font-size: 0.8rem;
  text-align: center;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.md-banner a {
  color: #e0e7ff !important;
  text-decoration: underline;
}

/* ===== Responsive — Mobile ===== */
@media screen and (max-width: 76.1875em) {
  .md-typeset h1 {
    font-size: 1.6rem;
  }

  .md-typeset .grid.cards > ul > li {
    margin: 0.4em 0;
  }

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

  .hero-section {
    padding: 1.5rem 1.2rem;
    margin: -0.25rem -0.25rem 1.5rem -0.25rem;
  }
}

@media screen and (max-width: 44.9375em) {
  .md-typeset h1 {
    font-size: 1.3rem;
  }

  .md-typeset table:not([class]) {
    font-size: 0.78rem;
  }

  .md-typeset pre > code {
    font-size: 0.76rem;
  }
}

/* ===== Selection Highlight ===== */
::selection {
  background: rgba(99, 102, 241, 0.25);
  color: inherit;
}

/* ===== Scrollbar Styling (Webkit) ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.4);
}

/* ===== Feature Badges (for index page) ===== */
.md-typeset .feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.25em 0.7em;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  color: var(--fm-accent);
  border: 1px solid rgba(99, 102, 241, 0.2);
  margin: 0 0.2em;
  animation: badgeFadeIn 0.5s ease-out backwards;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.md-typeset .feature-badge:nth-child(2) { animation-delay: 0.1s; }
.md-typeset .feature-badge:nth-child(3) { animation-delay: 0.2s; }
.md-typeset .feature-badge:nth-child(4) { animation-delay: 0.3s; }

.md-typeset .feature-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
}

@keyframes badgeFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Smooth Printing ===== */
@media print {
  .md-typeset h1 {
    -webkit-text-fill-color: #1e1b4b;
    background: none;
  }

  .md-typeset .admonition,
  .md-typeset details {
    break-inside: avoid;
  }

  .hero-section {
    background: #1e1b4b !important;
  }
}

/* ===== Hero Logo Animation ===== */
.md-content img[alt="flowyml Logo"] {
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(99, 102, 241, 0.18));
  transition: filter 0.3s ease;
}

.md-content img[alt="flowyml Logo"]:hover {
  filter: drop-shadow(0 12px 36px rgba(99, 102, 241, 0.35));
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* ===== Code Block Glassmorphism (Dark Mode) ===== */
[data-md-color-scheme="slate"] .md-typeset pre > code {
  background: rgba(15, 15, 35, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(99, 102, 241, 0.1);
}

/* ===== Material Icon Enhancement in Cards ===== */
.md-typeset .grid.cards > ul > li .twemoji,
.md-typeset .grid.cards > ul > li .emojione {
  transition: transform 0.3s ease;
}

.md-typeset .grid.cards > ul > li:hover .twemoji,
.md-typeset .grid.cards > ul > li:hover .emojione {
  transform: scale(1.15);
}

/* ===== Mermaid Diagram Enhancement ===== */
.md-typeset .mermaid {
  padding: 1.2em;
  border-radius: var(--fm-radius);
  background: rgba(249, 250, 251, 0.5);
  border: 1px solid rgba(99, 102, 241, 0.08);
  margin: 1em 0;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid {
  background: rgba(15, 15, 35, 0.5);
  border-color: rgba(99, 102, 241, 0.15);
}

/* ===== Smooth Tabbed Content ===== */
.md-typeset .tabbed-set {
  border-radius: var(--fm-radius);
  overflow: hidden;
}

.md-typeset .tabbed-labels > label {
  transition: color 0.2s ease, border-color 0.2s ease;
}

/* ===== Horizontal Rule Enhancement ===== */
.md-typeset hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.2), transparent);
  margin: 2.5em 0;
}

/* ===== Block Quote Styling ===== */
.md-typeset blockquote {
  border-left: 3px solid var(--fm-accent);
  background: rgba(99, 102, 241, 0.03);
  border-radius: 0 var(--fm-radius) var(--fm-radius) 0;
  padding: 0.8em 1.2em;
  font-style: italic;
}

[data-md-color-scheme="slate"] .md-typeset blockquote {
  background: rgba(99, 102, 241, 0.06);
}

/* ===== Content Max-Width Override (for wider reading) ===== */
.md-typeset .header-grid + *,
.md-typeset .hero-section + * {
  animation: fadeUp 0.4s ease-out 0.15s backwards;
}

/* ================================================================
   LANDING PAGE — Premium Hero v4.0
   ================================================================ */

/* Full-width landing hero with centered logo and immersive gradient */
.landing-hero {
  background: linear-gradient(160deg, #0a0a1a 0%, #0f0f2d 25%, #1e1b4b 50%, #312e81 75%, #1e1b4b 100%);
  border-radius: var(--fm-radius-lg);
  padding: 3.5rem 2rem 2.5rem 2rem;
  margin: -0.5rem -0.5rem 2rem -0.5rem;
  color: white;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.landing-hero::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(99,102,241,0.18) 0%, rgba(139,92,246,0.08) 40%, transparent 70%);
  animation: landingPulse 5s ease-in-out infinite alternate;
}

.landing-hero::after {
  content: '';
  position: absolute;
  bottom: -40%;
  right: -20%;
  width: 50%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(139,92,246,0.12) 0%, transparent 70%);
  animation: landingPulse 7s ease-in-out infinite alternate-reverse;
}

@keyframes landingPulse {
  0%   { opacity: 0.5; transform: translateX(-50%) scale(1); }
  100% { opacity: 1; transform: translateX(-50%) scale(1.08); }
}

/* Logo inside landing hero */
.landing-hero img {
  width: 280px;
  max-width: 60%;
  margin: 0 auto 1.5rem auto;
  display: block;
  animation: landingFloat 5s ease-in-out infinite;
  filter: drop-shadow(0 12px 40px rgba(99, 102, 241, 0.35))
          drop-shadow(0 0 60px rgba(139, 92, 246, 0.15));
  position: relative;
  z-index: 2;
}

@keyframes landingFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.landing-hero img:hover {
  filter: drop-shadow(0 16px 50px rgba(99, 102, 241, 0.5))
          drop-shadow(0 0 80px rgba(139, 92, 246, 0.25));
}

/* Title inside landing hero */
.landing-hero h1 {
  color: white !important;
  -webkit-text-fill-color: white !important;
  background: none !important;
  border: none !important;
  font-size: 2.4rem !important;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem 0 !important;
  padding: 0 !important;
  position: relative;
  z-index: 2;
}

.landing-hero .tagline {
  color: rgba(199, 210, 254, 0.9);
  font-size: 1.15rem;
  font-weight: 400;
  margin: 0 auto 1.5rem auto;
  max-width: 620px;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

.landing-hero .tagline strong {
  color: #c7d2fe;
}

/* Feature badges inside landing hero */
.landing-hero .feature-badge {
  background: rgba(255,255,255,0.1) !important;
  color: #e0e7ff !important;
  border-color: rgba(255,255,255,0.2) !important;
  backdrop-filter: blur(6px);
  font-size: 0.8rem;
  padding: 0.35em 0.85em;
  margin: 0.25em;
}

.landing-hero .badge-row {
  position: relative;
  z-index: 2;
  margin-top: 0.5rem;
}

/* Stats strip inside hero */
.stats-strip {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  color: rgba(199, 210, 254, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.2rem;
}

[data-md-color-scheme="slate"] .landing-hero {
  background: linear-gradient(160deg, #050510 0%, #0a0a20 25%, #151530 50%, #1e1b4b 75%, #151530 100%);
  border: 1px solid rgba(99, 102, 241, 0.12);
}

/* "Pitch cards" — wider, more impactful than header-cards */
.pitch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
  margin: 2rem 0 2.5rem 0;
}

.pitch-card {
  background: var(--fm-gradient-surface);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--fm-radius-lg);
  padding: 1.8rem 1.5rem;
  transition: all var(--fm-transition);
  position: relative;
  overflow: hidden;
}

.pitch-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--fm-gradient-primary);
  opacity: 0;
  transition: opacity var(--fm-transition);
}

.pitch-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--fm-shadow-lg), 0 0 30px rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

.pitch-card:hover::before {
  opacity: 1;
}

.pitch-card h3 {
  margin-top: 0 !important;
  font-size: 1.05rem;
  font-weight: 700;
  border: none !important;
}

.pitch-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: 0;
}

[data-md-color-scheme="slate"] .pitch-card {
  background: var(--fm-gradient-surface);
  border-color: rgba(99, 102, 241, 0.18);
}

@media screen and (max-width: 76.1875em) {
  .landing-hero {
    padding: 2rem 1.2rem 1.5rem 1.2rem;
  }
  .landing-hero h1 {
    font-size: 1.8rem !important;
  }
  .landing-hero img {
    width: 200px;
  }
  .stats-strip {
    gap: 1.5rem;
  }
  .stat-number {
    font-size: 1.4rem;
  }
  .pitch-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 44.9375em) {
  .landing-hero h1 {
    font-size: 1.4rem !important;
  }
  .landing-hero img {
    width: 160px;
  }
  .stats-strip {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

/* ================================================================
   GUI OVERVIEW — Premium Screenshot Showcase
   ================================================================ */

/* Screenshot images — polished display with shadow & hover */
.md-typeset img[alt*="FlowyML"] {
  border-radius: var(--fm-radius);
  box-shadow: var(--fm-shadow-lg);
  border: 1px solid rgba(99, 102, 241, 0.12);
  transition: transform var(--fm-transition), box-shadow var(--fm-transition);
  margin: 1.2em 0;
  width: 100%;
}

.md-typeset img[alt*="FlowyML"]:hover {
  transform: scale(1.015);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18), var(--fm-shadow-glow);
  border-color: rgba(99, 102, 241, 0.3);
}

[data-md-color-scheme="slate"] .md-typeset img[alt*="FlowyML"] {
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

[data-md-color-scheme="slate"] .md-typeset img[alt*="FlowyML"]:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 24px rgba(99, 102, 241, 0.2);
}