/* ==========================================================================
   swim_style.css - 沉浸式深海湛藍風格 (Deep Ocean Swimming Theme)
   Author: hilosi Kuo Website
   ========================================================================== */

:root {
  --bg-dark: #030712;
  --bg-deep: #07172c;
  --bg-surface: rgba(15, 28, 48, 0.7);
  --bg-surface-hover: rgba(22, 40, 68, 0.85);
  --bg-card: rgba(13, 27, 49, 0.6);
  --border-glow: rgba(56, 189, 248, 0.22);
  --border-light: rgba(255, 255, 255, 0.1);
  
  --cyan-primary: #38bdf8;
  --cyan-bright: #64ffda;
  --blue-glow: #2563eb;
  --blue-light: #93c5fd;
  
  --gold-accent: #fbbf24;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-serif: "Noto Serif TC", "Songti TC", "Times New Roman", Georgia, serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.18);
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  background: radial-gradient(circle at 50% 0%, #0d2847 0%, #061527 40%, var(--bg-dark) 100%);
  color: var(--text-main);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Background Water Caustics Glow */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56, 189, 248, 0.15), transparent 70%),
    radial-gradient(circle at 80% 40%, rgba(14, 165, 233, 0.08), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.06), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header & Glass Navbar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 16, 32, 0.75);
  border-bottom: 1px solid var(--border-glow);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
}

.nav-brand i {
  color: var(--cyan-primary);
  font-size: 1.5rem;
}

.nav-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid var(--border-glow);
  color: var(--cyan-bright);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-back-link:hover {
  background: rgba(56, 189, 248, 0.2);
  transform: translateX(-3px);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(15, 28, 48, 0.8);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.lang-btn:hover {
  color: var(--cyan-bright);
}

.lang-btn.active {
  background: var(--cyan-primary);
  color: #030712;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
}


/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 60px 0 40px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--cyan-bright);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 30px;
  background: linear-gradient(135deg, #ffffff 30%, #a5f3fc 70%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

/* Featured Philosophy Blockquote (User Mandate) */
.hero-quote-card {
  max-width: 900px;
  margin: 0 auto 50px;
  padding: 36px 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(56, 189, 248, 0.08);
  position: relative;
  text-align: left;
}

.hero-quote-card::before {
  content: "“";
  position: absolute;
  top: 10px;
  left: 20px;
  font-family: Georgia, serif;
  font-size: 5rem;
  color: rgba(56, 189, 248, 0.15);
  line-height: 1;
  pointer-events: none;
}

.hero-quote-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.95;
  color: #e2e8f0;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

.hero-quote-author {
  margin-top: 18px;
  text-align: right;
  font-size: 0.95rem;
  color: var(--cyan-primary);
  font-weight: 600;
  letter-spacing: 1px;
}

/* Hero Feature Visual */
.hero-image-wrapper {
  position: relative;
  max-width: 1000px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glow);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), var(--shadow-glow);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-image-wrapper:hover img {
  transform: scale(1.02);
}

.hero-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 24px 18px;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.9) 0%, rgba(3, 7, 18, 0.3) 70%, transparent 100%);
  text-align: left;
}

.hero-image-caption {
  font-size: 1rem;
  color: #f1f5f9;
  font-weight: 500;
}

.hero-image-subcaption {
  font-size: 0.85rem;
  color: var(--cyan-primary);
}

/* Quick Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 40px auto 20px;
  max-width: 960px;
}

.stat-item {
  background: rgba(15, 28, 48, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(15, 28, 48, 0.85);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.stat-num {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--cyan-bright);
  font-family: var(--font-sans);
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* ==========================================================================
   Navigation Tabs (Module Switcher)
   ========================================================================== */
.tabs-container {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 40px auto 48px;
  padding: 6px;
  background: rgba(10, 22, 39, 0.7);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  max-width: 680px;
  backdrop-filter: blur(12px);
  position: sticky;
  top: 85px;
  z-index: 90;
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(56, 189, 248, 0.1);
}

.tab-btn.active {
  background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.35);
}

/* Tab Panels */
.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

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

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

/* ==========================================================================
   Common Section Styles
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-tag {
  color: var(--cyan-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
}

/* ==========================================================================
   Tab 1: 水與吐納的美學 (Philosophy & Strokes)
   ========================================================================== */
.strokes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 50px;
}

.stroke-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stroke-card:hover {
  border-color: var(--cyan-primary);
  background: var(--bg-surface-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.stroke-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--cyan-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.stroke-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.stroke-tagline {
  font-size: 0.85rem;
  color: var(--cyan-primary);
  margin-bottom: 14px;
  display: block;
  font-weight: 500;
}

.stroke-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Featured Butterfly Section */
.featured-butterfly-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 50px 0;
  display: grid;
  grid-template-columns: 1fr;
  box-shadow: var(--shadow-card);
}

@media (min-width: 900px) {
  .featured-butterfly-box {
    grid-template-columns: 1.1fr 1fr;
  }
}

.butterfly-img-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
  display: block;
}

.butterfly-content-col {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.butterfly-tag {
  color: var(--gold-accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.butterfly-title {
  font-size: 1.85rem;
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.butterfly-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.benefit-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.benefit-pill {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: #cbd5e1;
}

/* Fullbody Health Benefits Box */
.health-benefits-card {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(15, 28, 48, 0.7) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 36px;
  margin-bottom: 40px;
}

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.health-item h4 {
  color: var(--cyan-bright);
  font-size: 1.15rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.health-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Tab 2: 泳者足跡與榮譽榜 (Timeline, Records, Photos)
   ========================================================================== */
.history-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

@media (min-width: 900px) {
  .history-layout {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Timeline */
.timeline-container {
  position: relative;
  padding-left: 30px;
}

.timeline-container::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 7px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan-primary) 0%, rgba(56, 189, 248, 0.1) 100%);
}

.timeline-node {
  position: relative;
  margin-bottom: 30px;
}

.timeline-dot {
  position: absolute;
  left: -30px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--cyan-primary);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

.timeline-age {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan-bright);
  background: rgba(56, 189, 248, 0.12);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* PB Records Card */
.records-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-card);
}

.records-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.records-card-header i {
  color: var(--gold-accent);
  font-size: 1.8rem;
}

.records-table {
  width: 100%;
  border-collapse: collapse;
}

.records-table th, .records-table td {
  padding: 14px 12px;
  text-align: left;
}

.records-table th {
  color: var(--text-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.records-table td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.95rem;
}

.records-table tr:hover td {
  background: rgba(56, 189, 248, 0.04);
}

.record-time {
  font-family: "Courier New", Courier, monospace;
  font-weight: 700;
  color: var(--cyan-bright);
  font-size: 1.15rem;
  text-align: right;
}

/* Official University Cup Table */
.cup-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 40px 0;
  box-shadow: var(--shadow-card);
}

.cup-header {
  margin-bottom: 24px;
}

.cup-header h3 {
  font-size: 1.45rem;
  color: #ffffff;
  margin-bottom: 6px;
}

.cup-header p {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.cup-table-wrapper {
  overflow-x: auto;
}

.cup-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.cup-table th, .cup-table td {
  padding: 12px 14px;
  text-align: center;
}

.cup-table th {
  background: rgba(14, 165, 233, 0.12);
  color: var(--cyan-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.cup-table tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cup-table tr.highlight-hilosi {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--cyan-primary);
  font-weight: 700;
}

.cup-table tr.highlight-hilosi td {
  color: var(--cyan-bright);
}

.badge-rank {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 700;
}

.rank-1 { background: rgba(251, 191, 36, 0.2); color: #fbbf24; }
.rank-2 { background: rgba(203, 213, 225, 0.2); color: #cbd5e1; }
.rank-3 { background: rgba(217, 119, 6, 0.2); color: #d97706; }
.rank-4 { background: rgba(56, 189, 248, 0.2); color: var(--cyan-bright); border: 1px solid var(--cyan-primary); }

/* History Photo Gallery */
.gallery-section {
  margin: 50px 0 20px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  aspect-ratio: 4/3;
  background: #0b1526;
  cursor: pointer;
  transition: var(--transition);
}

.gallery-item:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.95), transparent);
  padding: 20px 12px 10px;
  font-size: 0.82rem;
  color: #f8fafc;
  text-align: center;
}

/* ==========================================================================
   Tab 3: 實戰競賽秘技 (Techniques & Contest Secrets)
   ========================================================================== */
.skills-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 50px;
}

.skill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.skill-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.1);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.skill-num {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--cyan-bright);
  opacity: 0.9;
  background: rgba(56, 189, 248, 0.1);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-glow);
}

.skill-title-group h3 {
  font-size: 1.45rem;
  color: #ffffff;
  font-weight: 700;
}

.skill-title-group span {
  font-size: 0.85rem;
  color: var(--cyan-primary);
  font-weight: 500;
}

.skill-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
}

.skill-callout {
  margin: 18px 0 0;
  padding: 16px 20px;
  background: rgba(56, 189, 248, 0.08);
  border-left: 3px solid var(--cyan-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.skill-callout strong {
  color: var(--cyan-bright);
}

/* Basic drills box */
.drills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.drill-item {
  background: rgba(10, 22, 39, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 20px;
}

.drill-item h4 {
  color: var(--cyan-bright);
  font-size: 1.05rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.drill-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  margin-top: 80px;
  border-top: 1px solid rgba(56, 189, 248, 0.15);
  background: rgba(3, 7, 18, 0.9);
  padding: 50px 0 30px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--cyan-bright);
}

.footer-quote {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: 18px;
  font-style: italic;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ==========================================================================
   Lightbox Modal for Photos
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.92);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  max-width: 90%;
  max-height: 85vh;
  position: relative;
  text-align: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.8);
}

.lightbox-caption {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-top: 14px;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: transparent;
  border: none;
  color: #f8fafc;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-quote-card {
    padding: 24px 20px;
  }
  .hero-quote-text {
    font-size: 1.1rem;
    line-height: 1.8;
  }
  .tabs-container {
    top: 72px;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 6px 12px;
  }
  .skill-card {
    padding: 24px 20px;
  }
  .butterfly-content-col {
    padding: 24px 20px;
  }
}