/* ==========================================================================
   CSS DESIGN SYSTEM — PROF. PRAJAPATI TRIVEDI PORTFOLIO
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ===== VARIABLES & CORE THEMES ===== */
:root {
  /* Dynamic Palette - Default Light Parchment Theme */
  --bg-primary: #FAF9F6;
  --bg-secondary: #F3F1EA;
  --bg-tertiary: #FFFFFF;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --accent-primary: #B45309; /* Warm Amber */
  --accent-secondary: #D97706;
  --accent-hover: #92400E;
  --accent-glow: rgba(180, 83, 9, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.6);
  --border-color: #E2E8F0;
  --shadow-color: rgba(15, 23, 42, 0.04);
  --shadow-hover: rgba(15, 23, 42, 0.08);
  --overlay-bg: rgba(15, 23, 42, 0.4);

  /* Constants */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --container-width: 1200px;
}

[data-theme="dark"] {
  /* Dynamic Palette - Midnight Gold Theme */
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #1E293B;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --accent-primary: #F59E0B; /* Golden Amber */
  --accent-secondary: #FBBF24;
  --accent-hover: #D97706;
  --accent-glow: rgba(245, 158, 11, 0.12);
  --glass-bg: rgba(30, 41, 59, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
  --border-color: #334155;
  --shadow-color: rgba(0, 0, 0, 0.2);
  --shadow-hover: rgba(0, 0, 0, 0.35);
  --overlay-bg: rgba(15, 23, 42, 0.7);
}

/* ===== RESET & RESET BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  transition: color 0.5s ease;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); font-weight: 700; }
h4 { font-size: 1.15rem; font-weight: 600; }

p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* ===== UTILITIES & LAYOUT ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section-padding {
  padding: clamp(60px, 10vw, 120px) 0;
}

.text-center { text-align: center; }
.accent-span { color: var(--accent-primary); }

.section-subtitle {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}

.section-desc {
  max-width: 720px;
  margin: 0 auto clamp(40px, 6vw, 70px);
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ===== GLASSMORPHISM STYLES ===== */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 var(--shadow-color);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 var(--shadow-hover);
  border-color: var(--accent-primary);
}

/* ===== INTERSECTION OBSERVER REVEAL ENGINES ===== */
.reveal-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-element.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
  gap: 8px;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF !important;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.btn-outline:hover {
  background-color: var(--accent-primary);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

/* ===== HEADER & NAVIGATION ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition-smooth);
  background-color: transparent;
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background-color: var(--bg-tertiary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px var(--shadow-color);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 36px;
  align-items: center;
}

nav ul li a {
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  padding: 8px 0;
  position: relative;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background-color: var(--accent-primary);
  transition: var(--transition-fast);
}

nav ul li a:hover { color: var(--accent-primary); }
nav ul li a:hover::after { width: 100%; }

/* Navigation control togglers */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 6px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

/* ===== HERO CAROUSEL ===== */
.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  border-radius: 0 0 160px 0;
  background-color: #0F172A; /* Fallback dark */
}

.hero-banner {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1), transform 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-banner img.active {
  opacity: 1;
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.25) 0%,
    rgba(15, 23, 42, 0.5) 40%,
    rgba(15, 23, 42, 0.8) 75%,
    #0F172A 100%
  );
}

.hero-content-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 140px;
  padding-bottom: clamp(100px, 15vw, 150px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  align-items: end;
}

.hero-text {
  color: #F8FAFC;
  max-width: 680px;
}

.hero-text h1 {
  color: #FFFFFF;
  margin-bottom: 24px;
  text-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.hero-text p {
  font-size: 1.15rem;
  color: #CBD5E1;
  margin-bottom: 40px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.3);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-badge-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-avatar-wrapper {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
  transition: var(--transition-smooth);
}

.hero-avatar-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-avatar-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(245, 158, 11, 0.4);
  pointer-events: none;
}

.hero-badge-label {
  font-family: var(--font-display);
  color: #CBD5E1;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
}

/* Slide Caption and Dot Navigation */
.carousel-controls {
  position: absolute;
  bottom: 120px;
  left: 32px;
  right: 32px;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
}

.carousel-caption-text {
  font-family: var(--font-display);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
}

.carousel-dots {
  display: flex;
  gap: 12px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: var(--transition-smooth);
}

.carousel-dot.active {
  background-color: var(--accent-primary);
  transform: scale(1.3);
  width: 24px;
  border-radius: 4px;
}

/* ===== STATS BAR ===== */
.stats-bar {
  position: relative;
  z-index: 10;
  margin-top: -60px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
  padding: 40px;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 700;
}

/* ===== ABOUT ===== */
.about {
  background-color: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.highlight-card {
  padding: 32px 24px;
}

.highlight-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background-color: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-card h4 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.highlight-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ===== CAREER TIMELINE ===== */
.career {
  background-color: var(--bg-secondary);
  border-radius: 120px 0 120px 0;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--border-color) 100%);
}

.timeline-item {
  display: flex;
  margin-bottom: 60px;
  position: relative;
  width: 100%;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  border: 4px solid var(--bg-secondary);
  box-shadow: 0 0 0 4px var(--accent-glow);
  z-index: 2;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.timeline-dot:hover {
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 0 8px var(--accent-glow);
}

.timeline-content {
  width: 45%;
  position: relative;
  padding: 30px;
  cursor: pointer;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent-primary);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

.timeline-hint {
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: var(--transition-fast);
}

.timeline-content:hover .timeline-hint {
  opacity: 1;
}

/* ===== EXPERTISE ===== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.expertise-card {
  padding: 40px 30px;
}

.expertise-card .icon {
  font-size: 2rem;
  margin-bottom: 24px;
  width: 64px; height: 64px;
  border-radius: 50%;
  background-color: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.expertise-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.expertise-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ===== PUBLICATIONS ===== */
.publications {
  background-color: var(--bg-secondary);
}

.pub-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.pub-search-wrapper {
  position: relative;
  flex-grow: 1;
  max-width: 400px;
}

.pub-search-wrapper input {
  width: 100%;
  padding: 12px 20px 12px 48px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: var(--transition-fast);
}

.pub-search-wrapper input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.pub-search-wrapper .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.pub-filters {
  display: flex;
  gap: 12px;
}

.filter-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
}

.pub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pub-card {
  overflow: hidden;
}

.pub-card-header {
  height: 6px;
  background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
}

.pub-card-body {
  padding: 30px;
}

.pub-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.pub-card h4 {
  font-size: 1.1rem;
  line-height: 1.5;
  margin-bottom: 14px;
}

.pub-publisher {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.pub-year {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* ===== AWARDS ===== */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.award-card {
  padding: 40px 30px;
  text-align: center;
}

.award-icon-box {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #FFFFFF;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.award-card h4 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.award-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.award-org {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-primary);
  margin-top: 16px;
  display: block;
}

/* ===== AFFILIATIONS ===== */
.affiliations {
  background-color: var(--bg-secondary);
}

.affiliation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.affiliation-card {
  padding: 30px 20px;
  text-align: center;
  cursor: pointer;
}

.affiliation-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
}

.aff-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.affiliation-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.affiliation-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ===== CTA / CONTACT ===== */
.contact-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  border-radius: 160px 0 0 0;
  position: relative;
  overflow: hidden;
}

.contact-section h2 {
  color: #FFFFFF;
}

.contact-section .section-desc {
  color: #94A3B8;
}

.contact-wrapper {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-btn-box {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.contact-grid-links {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.contact-link-item {
  color: #94A3B8;
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  transition: var(--transition-fast);
}

.contact-link-item:hover {
  color: var(--accent-primary);
}

/* ===== FOOTER ===== */
footer {
  background-color: #0B0F19;
  padding: 40px 0;
  border-top: 1px solid #1E293B;
  color: #64748B;
  text-align: center;
}

footer p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

footer a {
  color: #94A3B8;
}

footer a:hover {
  color: var(--accent-primary);
}

/* ===== INTERACTIVE SIDE DRAWER MODAL ===== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.side-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 100%;
  max-width: 500px;
  background-color: var(--bg-tertiary);
  border-left: 1px solid var(--border-color);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.side-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  padding: 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-close:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
}

.drawer-body {
  padding: 32px;
  overflow-y: auto;
  flex-grow: 1;
}

.drawer-year {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background-color: var(--accent-glow);
  color: var(--accent-primary);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.drawer-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.drawer-content {
  line-height: 1.75;
}

.drawer-content h5 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.drawer-content ul {
  list-style: none;
  margin-bottom: 20px;
}

.drawer-content ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.drawer-content ul li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* ===== BOOKING WIZARD MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.wizard-modal {
  width: 100%;
  max-width: 600px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  position: relative;
}

.modal-overlay.active .wizard-modal {
  transform: translateY(0) scale(1);
}

.wizard-header {
  padding: 30px 40px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.wizard-title h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.wizard-progress {
  width: 100%;
  height: 4px;
  background-color: var(--bg-secondary);
  position: absolute;
  bottom: 0; left: 0;
}

.wizard-progress-bar {
  height: 100%;
  width: 33.33%;
  background-color: var(--accent-primary);
  transition: var(--transition-smooth);
}

.wizard-body {
  padding: 40px;
  overflow-y: auto;
  max-height: 70vh;
}

.wizard-step {
  display: none;
}

.wizard-step.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

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

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background-color: var(--bg-tertiary);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Options Grid for inquiry type */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.option-card {
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  transition: var(--transition-fast);
  background-color: var(--bg-primary);
}

.option-card:hover {
  border-color: var(--accent-primary);
  background-color: var(--bg-secondary);
}

.option-card.selected {
  border-color: var(--accent-primary);
  background-color: var(--accent-glow);
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.option-card .icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
  display: block;
}

.option-card span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.wizard-footer {
  padding: 24px 40px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
}

/* Success Wizard State */
.wizard-success-state {
  text-align: center;
  padding: 40px 0;
}

.success-icon-box {
  width: 80px; height: 80px;
  background-color: var(--accent-glow);
  color: var(--accent-primary);
  font-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 24px;
  animation: bounceIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.1); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}

/* ===== DYNAMIC MOBILE NAVIGATION SLIDER ===== */
.mobile-nav-drawer {
  position: fixed;
  top: 0; bottom: 0; left: 0;
  width: 280px;
  background-color: var(--bg-tertiary);
  border-right: 1px solid var(--border-color);
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.15);
  z-index: 2002;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 40px 30px;
}

.mobile-nav-drawer.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 50px;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mobile-nav-list li a {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-primary);
}

.mobile-nav-list li a:hover {
  color: var(--accent-primary);
}

/* ===== RESPONSIVE MEDIA QUERIES ===== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-text {
    margin: 0 auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-badge-container {
    order: -1;
  }
  .hero {
    border-radius: 0 0 80px 0;
  }
  .carousel-controls {
    justify-content: center;
    bottom: 60px;
  }
  .carousel-caption-text {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 30px;
    gap: 20px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .expertise-grid, .pub-grid, .awards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .affiliation-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .timeline::before {
    left: 30px;
  }
  .timeline-item {
    flex-direction: column !important;
    padding-left: 60px;
  }
  .timeline-content {
    width: 100% !important;
    text-align: left !important;
    padding: 20px 24px;
  }
  .timeline-dot {
    left: 30px;
    transform: translateX(-50%) !important;
  }
  .timeline-dot:hover {
    transform: translateX(-50%) scale(1.2) !important;
  }
  nav ul {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 20px;
  }
  .section-padding {
    padding: 50px 0;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 30px;
  }
  .stats-bar {
    margin-top: -30px;
  }
  .expertise-grid, .pub-grid, .awards-grid {
    grid-template-columns: 1fr;
  }
  .affiliation-grid {
    grid-template-columns: 1fr;
  }
  .about-highlights {
    grid-template-columns: 1fr;
  }
  .pub-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .pub-search-wrapper {
    max-width: 100%;
  }
  .pub-filters {
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .filter-btn {
    white-space: nowrap;
  }
  .options-grid {
    grid-template-columns: 1fr;
  }
  .contact-btn-box {
    flex-direction: column;
  }
  .contact-grid-links {
    flex-direction: column;
    gap: 16px;
  }
  .contact-section {
    border-radius: 80px 0 0 0;
  }
  .wizard-body {
    padding: 30px 20px;
  }
  .wizard-footer {
    padding: 20px;
  }
}