/* ==========================================================================
   Arian Official Website Modern Theme CSS
   ========================================================================== */

:root {
  --primary-color: #1a365d;
  --primary-light: #2b6cb0;
  --accent-color: #c53030;
  --accent-hover: #9b2c2c;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-color: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --highlight-bg: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius: 10px;
  --transition: all 0.2s ease-in-out;
}

[data-theme="dark"] {
  --primary-color: #90cdf4;
  --primary-light: #bee3f8;
  --accent-color: #fc8181;
  --accent-hover: #feb2b2;
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-color: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --highlight-bg: #1e293b;
}

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

body {
  font-family: 'Arian AMU', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.65;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "clig" 0;
}

/* Header - Clean navigation row without image */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.65rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.98rem;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--accent-color);
}

/* Author Logo Mark in Nav */
.nav-author-mark {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-author-mark:hover {
  transform: scale(1.08);
  opacity: 0.85;
}

.tarumian-mark-img {
  height: 31px;
  width: auto;
  display: block;
  object-fit: contain;
}

[data-theme="dark"] .tarumian-mark-img {
  filter: drop-shadow(0 0 1px #ffffff) drop-shadow(0 0 2px rgba(255, 255, 255, 0.7));
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-btn {
  background: var(--highlight-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.tool-btn:hover {
  background: var(--border-color);
}

/* Hero Section - Transparent banner right below menu */
.hero-section {
  text-align: center;
  padding: 0.75rem 1.5rem 2.25rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.hero-main-logo-container {
  margin: 0.25rem auto 1.25rem;
  display: flex;
  justify-content: center;
}

.hero-main-logo {
  max-width: 100%;
  width: auto;
  height: auto;
  display: block;
  filter: none;
  box-shadow: none;
  transition: filter 0.3s ease;
}

/* Dark mode subtle glow to ensure black text in transparent PNG is readable */
[data-theme="dark"] .hero-main-logo {
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.8)) drop-shadow(0 0 10px rgba(255, 255, 255, 0.12));
}

.hero-badge {
  display: inline-block;
  background: rgba(197, 48, 48, 0.08);
  color: var(--accent-color);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.3rem 0.9rem;
  border-radius: 9999px;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(197, 48, 48, 0.18);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.hero-actions .btn-hero-side {
  width: 200px;
  justify-content: center;
  font-size: 0.86rem;
  padding: 0.52rem 0.75rem;
  white-space: nowrap;
}

.hero-actions .btn-hero-main {
  font-size: 0.95rem;
  padding: 0.58rem 1.4rem;
  justify-content: center;
  white-space: nowrap;
}

@media (max-width: 680px) {
  .hero-actions .btn-hero-side,
  .hero-actions .btn-hero-main {
    width: 100%;
    max-width: 290px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--highlight-bg);
  transform: translateY(-1px);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* Live Type Tester Section */
.tester-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  margin-bottom: 4rem;
  overflow: hidden;
}

.tester-header-bar {
  background: var(--card-bg);
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.tester-title-group h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.tester-title-group p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.tester-toolbar {
  background: var(--highlight-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.toolbar-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.select-control {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 0.9rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.select-control:focus {
  border-color: var(--primary-light);
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-container input[type="range"] {
  cursor: pointer;
  accent-color: var(--accent-color);
  height: 6px;
}

.slider-value {
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 44px;
  color: var(--text-muted);
}

/* Variable Font Slider Highlight Group */
.var-weight-group {
  background: rgba(197, 48, 48, 0.07);
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(197, 48, 48, 0.25);
  transition: background-color 0.2s ease, border-color 0.2s ease;
  min-width: 290px;
  flex: 0 0 auto;
}

.var-weight-group .toolbar-label {
  color: var(--accent-color);
  min-width: 65px;
  flex-shrink: 0;
}

#testerVarWeight {
  width: 105px;
  flex-shrink: 0;
}

#testerVarWeightVal {
  width: 110px;
  min-width: 110px;
  display: inline-block;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  text-align: left;
}

[data-theme="dark"] .var-weight-group {
  background: rgba(252, 129, 129, 0.12);
  border-color: rgba(252, 129, 129, 0.3);
}

/* Preset Buttons */
.tester-presets {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.preset-btn {
  background: var(--highlight-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.preset-btn:hover, .preset-btn.active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

/* Preview Area */
.tester-preview-box {
  padding: 2.5rem 2rem;
  min-height: 260px;
  background: var(--card-bg);
  outline: none;
  overflow-x: auto;
  word-break: break-word;
  transition: none;
  line-height: 1.5;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "clig" 0;
}

.tester-preview-box[contenteditable="true"]:focus {
  background: rgba(43, 108, 176, 0.015);
}

.tester-footer {
  background: var(--highlight-bg);
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Font Cards Grid - 4 In A Single Row on Desktop */
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  text-align: center;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.font-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.font-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem 1.15rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.font-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.font-card-badge {
  display: inline-block;
  background: var(--highlight-bg);
  color: var(--primary-color);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.font-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  white-space: nowrap;
}

.font-card-preview {
  font-size: 1.28rem;
  line-height: 1.25;
  margin: 0.9rem 0;
  padding: 0.85rem 0.4rem;
  background: var(--highlight-bg);
  border-radius: 8px;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

.font-meta-list {
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.font-meta-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.32rem 0;
  border-bottom: 1px solid var(--border-color);
}

.font-card-btn {
  font-size: 0.78rem !important;
  padding: 0.45rem 0.35rem !important;
  white-space: nowrap !important;
  width: 100% !important;
  justify-content: center !important;
  gap: 5px !important;
  letter-spacing: -0.25px !important;
  border-radius: 6px !important;
}

/* Downloads Banner */
.downloads-banner {
  background: linear-gradient(135deg, var(--primary-color) 0%, #2b6cb0 100%);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  margin-bottom: 4rem;
}

.downloads-banner h3 {
  font-size: 2.1rem;
  margin-bottom: 0.75rem;
}

.downloads-banner p {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 700px;
  margin: 0 auto 1.75rem;
}

.downloads-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-white {
  background: #ffffff;
  color: #1a365d;
}

.btn-white:hover {
  background: #edf2f7;
  transform: translateY(-2px);
}

.btn-grayout {
  background: rgba(255, 255, 255, 0.12) !important;
  color: rgba(255, 255, 255, 0.6) !important;
  border: 1px dashed rgba(255, 255, 255, 0.35) !important;
  cursor: not-allowed !important;
  opacity: 0.75;
  box-shadow: none !important;
  transform: none !important;
}

.btn-grayout:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  transform: none !important;
}

.downloads-tip {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.18);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Specimen Rows Section - Clean cards without bottom caption bars */
.specimen-rows {
  margin-bottom: 4rem;
}

.specimen-row {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.specimen-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.specimen-row-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--primary-color);
}

.specimen-row-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.specimen-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.specimen-item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  cursor: zoom-in;
  transition: var(--transition);
  position: relative;
  display: block;
}

.specimen-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.specimen-item img {
  width: 100%;
  height: auto;
  display: block;
  background: #ffffff;
}

/* Lightbox Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: zoom-out;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content-wrapper {
  max-width: 95vw;
  max-height: 90vh;
  position: relative;
  background: #ffffff;
  border-radius: var(--radius);
  overflow: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  cursor: default;
  display: flex;
  flex-direction: column;
}

.lightbox-img {
  max-width: none;
  width: auto;
  height: auto;
  display: block;
  margin: 0 auto;
}

.lightbox-header {
  padding: 0.75rem 1.25rem;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lightbox-title {
  font-weight: 700;
  color: #1a365d;
  font-size: 1rem;
}

.lightbox-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: #64748b;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.lightbox-close:hover {
  color: #c53030;
  background: #f1f5f9;
}

/* About Box */
.about-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-bottom: 4rem;
  box-shadow: var(--shadow-sm);
}

.about-box h3 {
  font-size: 1.6rem;
  color: var(--primary-color);
  margin-bottom: 1.1rem;
}

.about-box p {
  margin-bottom: 1rem;
  color: var(--text-color);
  line-height: 1.8;
}

/* Footer */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* SEO and Accessibility - Visually hidden but indexed by search engines */
.screen-reader-text,
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Responsive */
@media (max-width: 1024px) {
  .font-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .font-grid-4 {
    grid-template-columns: 1fr;
  }
  .tester-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar-group {
    justify-content: space-between;
  }
  .tester-preview-box {
    padding: 1.5rem 1.25rem;
  }
  .header-container {
    padding: 0.5rem 1rem;
  }
  .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
  .lightbox-content-wrapper {
    max-width: 98vw;
    max-height: 95vh;
  }
}