/* =========================
   CSS VARIABLES
========================= */
:root {
  --bg: #0f172a;
  --bg-soft: #111c34;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #38bdf8;
  --line: #e5e7eb;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 18px;
}

/* =========================
   GLOBAL RESET
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(180deg, #f8fbff, #eef4fb);
  color: var(--text);
  line-height: 1.7;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================
   HEADER & NAVIGATION
========================= */
.site-header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--accent);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #dbeafe;
  text-decoration: none;
  font-weight: 600;
  transition: 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  text-decoration: none;
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-switch button {
  border: none;
  background: #1e293b;
  color: #fff;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}

.lang-switch button:hover {
  background: #334155;
}

/* =========================
   SHARED PAGE STYLES
========================= */
.page-pad {
  padding: 40px 0 60px;
}

.page-title {
  margin-bottom: 26px;
}

.page-title h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  color: #0f172a;
  margin-bottom: 10px;
}

.page-title p {
  color: var(--muted);
  max-width: 760px;
}

/* =========================
   MODERN LECTURES & RESEARCH CARDS
========================= */
.lectures-modern {
  padding-top: 24px;
  padding-bottom: 40px;
}

/* Main Hero Card at Top */
.lectures-hero-card {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 24px;
  padding: 32px;
  margin-bottom: 26px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid #e6edf7;
  border-radius: 24px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.lectures-kicker {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: #2563eb;
  margin-bottom: 10px;
}

.lectures-hero-copy h1 {
  font-size: 2.4rem;
  line-height: 1.12;
  color: #0f172a;
  margin-bottom: 14px;
}

.lectures-intro {
  color: #64748b;
  max-width: 760px;
  font-size: 1rem;
}

/* The Dark Badge Box on the right */
.lectures-hero-badge {
  display: flex;
  align-items: stretch;
}

.lectures-badge-box {
  width: 100%;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  border-radius: 20px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(30, 58, 138, 0.18);
}

.lectures-badge-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: #93c5fd;
  margin-bottom: 10px;
  font-weight: 700;
}

/* Grid System for Content Cards */
.lectures-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.lecture-card {
  background: #ffffff;
  border: 1px solid #e6edf7;
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.lecture-card-wide {
  grid-column: 1 / -1;
}

.lecture-card-head {
  margin-bottom: 16px;
}

.lecture-label {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #2563eb;
  margin-bottom: 8px;
}

.lecture-card h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  color: #0f172a;
}

.lecture-card p {
  color: #475569;
}

/* Interactive Pills / Tags */
.lecture-pill-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.lecture-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.92rem;
  font-weight: 700;
  border: 1px solid #dbeafe;
  transition: all 0.2s ease;
}

.lecture-pill:hover {
  background: #dbeafe;
  transform: translateY(-2px);
}

/* Inner Brand Cards (for specific courses / journals) */
.course-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.course-brand-card {
  border: 1px solid #e8eef7;
  background: #fbfdff;
  border-radius: 18px;
  padding: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-brand-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

.course-brand-card h3 {
  color: #0f172a;
  margin-bottom: 12px;
  font-size: 1.05rem;
  line-height: 1.35;
}

/* List Stylings inside Cards */
.course-list-modern {
  padding-left: 18px;
  color: #475569;
}

.course-list-modern li {
  margin-bottom: 8px;
}

.feature-list-modern {
  padding-left: 18px;
  color: #475569;
}

.feature-list-modern li {
  margin-bottom: 12px;
  line-height: 1.6;
}

/* Assessment Chips */
.assessment-modern {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.assessment-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #334155;
  font-size: 0.92rem;
  font-weight: 600;
}

/* =========================
   CONTACT MESSAGE SECTION 
========================= */
.contact-message-card {
  border: 1px solid #e5edf7;
  border-radius: 20px;
  padding: 28px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.contact-message-header {
  margin-bottom: 22px;
}

.contact-message-kicker {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #1d4ed8;
  margin-bottom: 8px;
}

.contact-message-card h2 {
  margin-bottom: 10px;
  color: #0f172a;
  font-size: 1.6rem;
  line-height: 1.25;
}

.contact-message-intro {
  color: #64748b;
  max-width: 700px;
  font-size: 0.98rem;
}

.contact-message-form {
  margin-top: 8px;
}

.contact-message-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

.contact-field label {
  font-size: 0.92rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 8px;
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  border: 1px solid #dbe4f0;
  background: #ffffff;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 0.98rem;
  color: #1f2937;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: #94a3b8;
}

.contact-field input:focus,
.contact-field textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.contact-field textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-message-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 4px;
}

.contact-submit-btn {
  border: none;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #ffffff;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.20);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.24);
}

.contact-submit-btn:active {
  transform: translateY(0);
}

/* =========================
   FOOTER
========================= */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 24px 0;
  text-align: center;
  margin-top: 40px;
}

/* =========================
   RESPONSIVE QUERIES
========================= */
@media (max-width: 960px) {
  .hero-grid,
  .lectures-hero-card,
  .lectures-card-grid,
  .course-card-grid,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .lecture-card-wide {
    grid-column: auto;
  }

  .hero h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .contact-message-grid {
    grid-template-columns: 1fr;
  }

  .contact-message-card {
    padding: 22px;
  }

  .contact-message-card h2 {
    font-size: 1.35rem;
  }
}

@media (max-width: 640px) {
  .lectures-hero-card,
  .lecture-card,
  .card {
    padding: 20px;
  }

  .lectures-hero-copy h1,
  .page-title h1 {
    font-size: 1.9rem;
  }

  .nav-wrap {
    align-items: flex-start;
  }
}
:root {
  --primary: #3b82f6;
  --bg-dark: #020617;
  --glass: rgba(15, 23, 42, 0.8);
}

body {
  background-color: var(--bg-dark);
  color: #f1f5f9;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.glass-nav {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateY(-4px);
  background: rgba(30, 41, 59, 0.6);
}

.lang-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: 0.2s;
}

.lang-btn:hover {
  background: white;
  color: black;
}

.pill {
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.pub-item {
  border-left: 2px solid transparent;
  padding-left: 1rem;
  transition: 0.3s;
}

.pub-item:hover {
  border-left-color: var(--primary);
}

/* Container Utility */
.container {
  max-width: 1200px;
  margin: 0 auto;
}