/*
  Night Dev UI/UX Design System - Stéphane Lauper
  Aesthetic: Deep obsidian slate, warm electric tangerine accents, glassmorphic surfaces.
  Layout: Full-screen responsive (up to 96rem / 1536px), fluid grid, 44px touch targets, a11y focus rings.
*/
:root {
  --bg-page: #080c14;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(22, 33, 58, 0.88);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(249, 115, 22, 0.45);
  --accent: #f97316;
  --accent-hover: #ea580c;
  --accent-glow: rgba(249, 115, 22, 0.28);
  --accent-subtle: rgba(249, 115, 22, 0.12);
  --focus-ring: #f97316;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --content-max: 96rem; /* 1536px — spans full desktop screens gracefully */
  --shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
  --shadow-hover: 0 16px 40px -4px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(249, 115, 22, 0.4), 0 0 25px rgba(249, 115, 22, 0.14);
  --radius: 12px;
  --tap-min: 44px;
  --header-h: 3.75rem;
  --space-page-x: clamp(1rem, 4vw, 3rem);
  --space-section: clamp(2rem, 5vw, 4rem);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-page);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-page);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  top: 0 !important;
  position: static !important;
  overflow-x: hidden;
}

/* Ambient background mesh illumination */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: 
    radial-gradient(circle 700px at 50% -120px, rgba(249, 115, 22, 0.13), transparent 70%),
    radial-gradient(circle 500px at 95% 30%, rgba(99, 102, 241, 0.08), transparent 60%),
    radial-gradient(circle 600px at 5% 70%, rgba(249, 115, 22, 0.05), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Fixed Glassmorphic Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  padding: max(0.4rem, env(safe-area-inset-top)) var(--space-page-x) 0.4rem;
  padding-left: max(var(--space-page-x), env(safe-area-inset-left));
  padding-right: max(var(--space-page-x), env(safe-area-inset-right));
  background: rgba(8, 12, 20, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-inner {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
  min-height: var(--tap-min);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.25rem 0;
  border-radius: 6px;
  transition: color 0.15s ease;
  flex-shrink: 0;
}

.brand::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.brand:hover {
  color: var(--accent);
}

.brand:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

/* Mobile Hamburger Toggle Button */
.mobile-menu-toggle {
  display: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  transition: background 0.15s ease, border-color 0.15s ease;
  z-index: 101;
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

.mobile-menu-toggle:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.menu-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navigation Container */
.site-nav {
  display: flex;
  gap: clamp(0.35rem, 1.5vw, 0.75rem);
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

.site-nav a,
.site-nav .nav-lang {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  min-height: var(--tap-min);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
}

.site-nav a:hover,
.site-nav .nav-lang:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.site-nav a.active,
.site-nav a[aria-current="page"] {
  color: #ffffff;
  background: rgba(249, 115, 22, 0.16);
  border-color: rgba(249, 115, 22, 0.45);
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.15);
}

.site-nav a:focus-visible,
.site-nav .nav-lang:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  color: var(--accent);
}

.site-nav .nav-lang[aria-expanded="true"] {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: rgba(249, 115, 22, 0.3);
}

@media (max-width: 48rem) {
  .mobile-menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(8, 12, 20, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.75);
    padding: 0.75rem var(--space-page-x) 1.25rem;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.35rem !important;
  }

  .site-nav.is-open {
    display: flex !important;
    animation: mobileNavDown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .site-nav a,
  .site-nav .nav-lang {
    width: 100%;
    justify-content: flex-start !important;
    padding: 0.75rem 1rem !important;
    font-size: 1rem !important;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    min-height: 48px !important;
  }

  .site-nav a:hover,
  .site-nav .nav-lang:hover {
    background: rgba(249, 115, 22, 0.14) !important;
    color: #ffffff !important;
    border-color: rgba(249, 115, 22, 0.3) !important;
  }
}

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

/* Translation Panel */
.language-backdrop {
  position: fixed;
  inset: 0;
  z-index: 98;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.language-panel {
  position: fixed;
  left: 0;
  right: 0;
  top: calc(env(safe-area-inset-top, 0px) + var(--header-h));
  z-index: 99;
  background: #0f172a;
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  max-height: min(70vh, 28rem);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.language-panel[hidden] {
  display: none !important;
}

.language-panel-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1rem var(--space-page-x) 1.25rem;
  position: relative;
  padding-right: calc(var(--space-page-x) + 2.5rem);
}

.language-panel-close {
  position: absolute;
  top: 0.75rem;
  right: max(var(--space-page-x), env(safe-area-inset-right));
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.language-panel-close:hover {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.language-panel-lead {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-muted);
  width: 100%;
}

#google_translate_element {
  min-height: 40px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.goog-te-banner-frame,
.goog-te-banner-frame.skiptranslate {
  display: none !important;
}

.goog-te-gadget {
  font-family: var(--font) !important;
  font-size: 0.8125rem !important;
  color: var(--text-muted) !important;
}

.goog-te-gadget-simple {
  background-color: #1e293b !important;
  border: 1px solid var(--border) !important;
  padding: 6px 10px !important;
  border-radius: 8px !important;
}

.goog-te-gadget-simple .goog-te-menu-value span {
  color: #f8fafc !important;
  border-color: transparent !important;
}

/* Responsive Grounded Footer */
.site-footer {
  position: relative;
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.75rem var(--space-page-x) max(1.75rem, env(safe-area-inset-bottom));
  padding-left: max(var(--space-page-x), env(safe-area-inset-left));
  padding-right: max(var(--space-page-x), env(safe-area-inset-right));
  background: rgba(8, 12, 20, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-size: clamp(0.75rem, 1.8vw, 0.8125rem);
  color: var(--text-muted);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
}

.footer-inner {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

@media (max-width: 36rem) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.site-footer a {
  color: #fb923c;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0;
  transition: color 0.15s ease;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer a:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.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;
}

/* Main Area & Responsive Full-Screen Container */
.main-area {
  padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 0.75rem);
  padding-bottom: 3.5rem;
  flex: 1;
}

.main-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  width: 100%;
  padding: clamp(1.5rem, 4vw, 2.5rem) var(--space-page-x) clamp(2rem, 5vw, 3rem);
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 1rem);
}

main section {
  margin-bottom: var(--space-section);
}

main section:last-child {
  margin-bottom: 0;
}

/* Page Intro & Hero */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fb923c;
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.hero-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f97316;
  box-shadow: 0 0 10px #f97316;
}

h1 {
  font-size: clamp(2.2rem, 4vw + 0.5rem, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem;
  color: #ffffff;
  width: 100%;
}

.tagline {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin: 0 0 1.25rem;
  line-height: 1.4;
  width: 100%;
}

.lead {
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  color: #cbd5e1;
  margin: 0 0 1.5rem;
  line-height: 1.7;
  width: 100%;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1.25rem;
  margin: 1.25rem 0 0;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
}

.stat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-live {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.dot-lab {
  background: #f97316;
  box-shadow: 0 0 8px #f97316;
}

/* Language auto-detect banner */
.lang-banner {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(249, 115, 22, 0.4);
  border-radius: 12px;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(249, 115, 22, 0.1);
  animation: modalFadeIn 0.3s ease-out;
}

.lang-banner[hidden] {
  display: none !important;
}

.lang-banner-text {
  font-size: 0.9rem;
  color: #f8fafc;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-banner-btn {
  appearance: none;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #ffffff;
  border: 1px solid #fb923c;
  border-radius: 6px;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s ease;
}

.lang-banner-btn:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
}

.lang-banner-btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.lang-banner-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

h2 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
  color: #ffffff;
}

h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 0.6rem;
}

.section-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.65;
  width: 100%;
}

/* Duo Grid for Wide Screens */
.grid-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: var(--space-section);
}

@media (min-width: 58rem) {
  .grid-duo {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }
  .grid-duo > section,
  .grid-duo > div {
    margin-bottom: 0 !important;
    display: flex;
    flex-direction: column;
  }
  .grid-duo > section .card,
  .grid-duo > section .lab-note,
  .grid-duo > div .card,
  .grid-duo > div .lab-note {
    flex: 1;
  }
}

/* Cards & Surfaces */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: var(--border-hover);
  }
}

.card p {
  margin: 0 0 1rem;
  color: #cbd5e1;
}

.card p:last-child {
  margin-bottom: 0;
}

.card strong {
  color: #ffffff;
}

/* Lab disclaimer / Callout */
.lab-note {
  margin: 0;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: rgba(249, 115, 22, 0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px dashed rgba(249, 115, 22, 0.35);
  border-radius: var(--radius);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.lab-note:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.1);
}

.lab-note p {
  margin: 0 0 1rem;
  color: #cbd5e1;
  font-size: clamp(0.9375rem, 1.6vw, 1.02rem);
  line-height: 1.62;
}

.lab-note p:last-child {
  margin-bottom: 0;
}

.lab-note strong {
  color: #ffffff;
}

.lab-note ul {
  margin: 0.75rem 0 1rem;
  padding-left: 1.25rem;
  color: #cbd5e1;
}

.lab-note li {
  margin-bottom: 0.5rem;
  line-height: 1.55;
  font-size: clamp(0.9375rem, 1.6vw, 1.02rem);
}

.lab-note li:last-child {
  margin-bottom: 0;
}

.lab-note .closing {
  font-style: italic;
  color: var(--text-muted);
}

/* Tools & Experiments Showcase */
.tools-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1.15rem;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.filter-group {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.filter-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.filter-btn:hover {
  border-color: rgba(249, 115, 22, 0.5);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.filter-btn.active {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  border-color: #fb923c;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.4);
}

.filter-btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 14rem;
  flex: 1;
  max-width: 22rem;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.45rem 0.85rem 0.45rem 2.3rem;
  border: 1px solid var(--border);
  border-radius: 9999px;
  background: rgba(8, 12, 20, 0.85);
  font-family: var(--font);
  font-size: 0.8125rem;
  color: #ffffff;
  transition: all 0.18s ease;
}

.search-input::placeholder {
  color: #64748b;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25), 0 0 15px rgba(249, 115, 22, 0.15);
}

@media (max-width: 40rem) {
  .tools-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 0.85rem;
  }

  .filter-group {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-group::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex-shrink: 0;
    white-space: nowrap;
    min-height: 40px;
    padding: 0.4rem 0.9rem;
  }

  .search-wrap {
    min-width: 0;
    max-width: 100%;
    width: 100%;
  }

  .search-input {
    min-height: 42px;
    font-size: 0.875rem;
  }
}

.tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 48rem) {
  .tool-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

.tool-list li.tool-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all 0.25s ease;
}

.tool-list li.tool-card.is-hidden {
  display: none !important;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .tool-list li.tool-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--border-hover);
  }
}

.tool-list li.tool-card[data-preview] {
  cursor: pointer;
}

.card-header,
.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-meta-left {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-meta-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-meta-actions .btn {
  min-height: 36px;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  border-radius: 7px;
}

.card-meta-actions .btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
}

.card-meta-actions .btn-outline:hover {
  background: rgba(249, 115, 22, 0.15);
  border-color: var(--accent);
  color: #ffffff;
}

@media (max-width: 36rem) {
  .card-header,
  .card-meta {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }
  .card-meta-left {
    width: 100%;
    justify-content: space-between;
  }
  .card-meta-actions {
    width: 100%;
    display: flex;
  }
  .card-meta-actions .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
  }
}

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.card-footer .tool-tags {
  margin: 0;
  gap: 0.4rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
}

.badge-live {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.badge-lab {
  background: rgba(249, 115, 22, 0.1);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.25);
}

.tool-id code {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fb923c;
  background: rgba(249, 115, 22, 0.12);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid rgba(249, 115, 22, 0.25);
  transition: all 0.15s ease;
}

.tool-id a {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.tool-id a:hover code {
  background: rgba(249, 115, 22, 0.25);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.35);
}

.tool-title-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.tool-title-link:hover {
  color: var(--accent);
}

/* Thumbnail preview inside inventory card */
.card-thumb-wrap {
  position: relative;
  width: 100%;
  height: 205px;
  margin: 0 0 1.15rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #020617;
  cursor: pointer;
  display: block;
}

.card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.thumb-zoom-badge {
  position: absolute;
  bottom: 0.65rem;
  right: 0.65rem;
  background: rgba(8, 12, 20, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

@media (hover: hover) {
  .card-thumb-wrap:hover .card-thumb {
    transform: scale(1.04);
    filter: brightness(1.08);
  }
  .card-thumb-wrap:hover .thumb-zoom-badge {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
  }
}

.card-thumb-wrap:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Blueprint visual placeholder */
.card-thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 50%, rgba(249, 115, 22, 0.1), rgba(15, 23, 42, 0.98) 85%);
  border: 1px dashed rgba(249, 115, 22, 0.35);
  cursor: default;
  padding: 1.25rem;
  text-align: center;
}

.blueprint-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}

.blueprint-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fb923c;
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
}

.blueprint-branch {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.8125rem;
  color: #cbd5e1;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  border: 1px solid var(--border);
}

a.card-thumb-placeholder {
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

@media (hover: hover) {
  a.card-thumb-placeholder:hover {
    border-style: solid;
    border-color: var(--accent);
    box-shadow: 0 0 25px rgba(249, 115, 22, 0.2);
    transform: translateY(-2px);
  }
  a.card-thumb-placeholder:hover .blueprint-badge {
    background: var(--accent);
    color: #ffffff;
  }
  a.card-thumb-placeholder:hover .thumb-zoom-badge {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
  }
}

/* Globe & Language styling */
.globe-icon {
  font-size: 1.05rem;
  line-height: 1;
}

.nav-lang {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-list .name {
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.45rem;
  font-size: clamp(1.15rem, 2vw, 1.25rem);
  line-height: 1.35;
}

.tool-list .hint {
  font-size: clamp(0.9rem, 1.5vw, 0.95rem);
  color: #94a3b8;
  margin: 0;
  line-height: 1.6;
}

.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 1.25rem;
}

.tool-tag {
  font-size: 0.725rem;
  font-weight: 600;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}

.tool-tag-wip {
  color: #fb923c !important;
  background: rgba(249, 115, 22, 0.12) !important;
  border: 1px solid rgba(249, 115, 22, 0.35) !important;
  font-weight: 700 !important;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min);
  padding: 0.65rem 1.35rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  font-family: inherit;
  border: 1px solid #fb923c;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #ffffff;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
  transition: all 0.2s ease;
}

@media (hover: hover) {
  .btn:hover {
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
    box-shadow: 0 6px 22px rgba(249, 115, 22, 0.45);
    transform: translateY(-1px);
    color: #ffffff;
  }
}

.btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.btn-sm {
  min-height: 40px;
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
}

.btn-outline {
  background: rgba(249, 115, 22, 0.08);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.35);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(249, 115, 22, 0.18);
  border-color: #f97316;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(249, 115, 22, 0.25);
}

.tools-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.9375rem;
}

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

/* Feature Grid for About / Architecture */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0 2rem;
}

@media (min-width: 48rem) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 72rem) {
  .feature-grid.feature-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 0.25s ease;
}

.feature-box:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.feature-icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent);
}

.feature-box h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.feature-box p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Code Blueprint Box */
.code-blueprint {
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.875rem;
  color: #e2e8f0;
  line-height: 1.7;
  overflow-x: auto;
  margin: 1.25rem 0;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.code-blueprint .comment {
  color: #64748b;
  font-style: italic;
}

.code-blueprint .highlight {
  color: #fb923c;
  font-weight: 700;
}

.code-blueprint .keyword {
  color: #38bdf8;
}

/* Teaser / Next Step Cards */
.subpage-teasers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: var(--space-section);
}

@media (min-width: 48rem) {
  .subpage-teasers {
    grid-template-columns: repeat(2, 1fr);
  }
}

.teaser-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: all 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.teaser-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.teaser-card h3 {
  margin: 0;
  font-size: 1.2rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.teaser-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.teaser-link {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Contact Card */
.contact-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow);
}

.contact-actions {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Modal / Lightbox for App Preview */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: modalFadeIn 0.2s ease-out;
}

.modal-backdrop[hidden] {
  display: none !important;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  position: relative;
  background: #0f172a;
  border-radius: 16px;
  max-width: 52rem;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.9), 0 0 40px rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  color: #f8fafc;
}

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

.modal-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #0f172a;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.modal-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.modal-close {
  appearance: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  min-height: 38px;
  min-width: 38px;
}

.modal-close:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.modal-close:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.modal-body {
  padding: 1.5rem;
}

/* Clickable Big Picture in Center of Modal */
.modal-preview-link {
  position: relative;
  display: block;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  text-decoration: none;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  background: #020617;
}

.modal-preview-link .modal-preview-img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  object-position: top;
  display: block;
  margin-bottom: 0;
  border: none;
  box-shadow: none;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.modal-preview-overlay-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(8, 12, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(249, 115, 22, 0.5);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.4rem 0.95rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), 0 0 15px rgba(249, 115, 22, 0.25);
  transition: all 0.2s ease;
  pointer-events: none;
}

@media (hover: hover) {
  .modal-preview-link:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.75), 0 0 25px rgba(249, 115, 22, 0.25);
    transform: translateY(-2px);
  }
  .modal-preview-link:hover .modal-preview-img {
    transform: scale(1.02);
    filter: brightness(1.06);
  }
  .modal-preview-link:hover .modal-preview-overlay-badge {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    border-color: #fb923c;
    transform: scale(1.04);
  }
}

.modal-preview-link:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.modal-features {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 36rem) {
  .modal-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.modal-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.5;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.modal-feature-item strong {
  color: #ffffff;
}

.modal-feature-icon {
  color: var(--accent);
  font-size: 1.15rem;
  line-height: 1.2;
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 36rem) {
  .modal-backdrop {
    padding: 0.5rem;
  }

  .modal-card {
    border-radius: 14px;
    max-height: 94vh;
    max-height: 94dvh;
  }

  .modal-header {
    padding: 0.75rem 1rem;
    gap: 0.65rem;
  }

  .modal-header-left {
    width: 100%;
    justify-content: space-between;
  }

  .modal-header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .modal-header-actions .modal-subdomain {
    display: none;
  }

  .modal-header-actions .modal-open-btn {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

  .modal-body {
    padding: 1rem 1.15rem;
  }

  .modal-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .modal-footer .btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card:hover,
  .tool-list li:hover,
  .btn:hover,
  .feature-box:hover,
  .teaser-card:hover {
    transform: none;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 300;
  padding: 0.65rem 1.15rem;
  min-height: var(--tap-min);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border-radius: 6px;
  font-family: inherit;
}

.skip-link:focus {
  left: max(1rem, env(safe-area-inset-left));
  top: max(1rem, env(safe-area-inset-top));
}

.skip-link:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}