/* ===== MATERIAL 3 EXPRESSIVE — VEMU THEME ===== */
@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* VEMU Colors — unchanged */
  --navy: #1a3a6b;
  --navy-dark: #0f2447;
  --navy-light: #264d8a;
  --sky-blue: #5dade2;
  --sky-light: #85c1e9;
  --sky-pale: #d6eaf8;
  --gold: #f0a500;
  --gold-dark: #d4940a;
  --gold-light: #f5c542;
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --text-dark: #212529;
  --text-body: #495057;
  --success: #28a745;
  --danger: #dc3545;
  --border: #dee2e6;

  /* M3 Expressive Tokens */
  --m3-shape-xl: 28px;
  --m3-shape-lg: 20px;
  --m3-shape-md: 16px;
  --m3-shape-sm: 12px;
  --m3-shape-full: 9999px;
  --m3-elevation-1: 0 1px 3px 1px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.1);
  --m3-elevation-2: 0 2px 6px 2px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.1);
  --m3-elevation-3: 0 4px 12px 4px rgba(0,0,0,.07), 0 1px 4px rgba(0,0,0,.08);
  --m3-surface: #f5f8ff;
  --m3-surface-cont: #edf2fb;
  --m3-surface-cont-high: #e2eaf6;
  --m3-on-surface: #1a1c1e;
  --m3-outline: #c4c7ce;
  --m3-outline-var: #e0e3ea;
  --m3-spring: cubic-bezier(.35, 1.7, .5, 1);
  --m3-expressive: cubic-bezier(.2, 1.2, .4, 1);
  --m3-standard: cubic-bezier(.2, 0, 0, 1);
}

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

body {
  font-family: 'Inter', 'Google Sans', -apple-system, system-ui, sans-serif;
  background: var(--m3-surface);
  color: var(--m3-on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

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

/* ===== TOP BAR ===== */
.top-bar {
  background: var(--navy-dark);
  color: rgba(255,255,255,.7);
  font-size: .78rem;
  padding: 8px 0;
  letter-spacing: .3px;
}
.top-bar a { color: var(--gold-light); }
.top-bar a:hover { text-decoration: underline; }

/* ===== M3 TOP APP BAR (Navbar) — Glass ===== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem;
  background: rgba(26, 58, 107, .85);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  min-height: 64px;
  box-shadow: 0 4px 30px rgba(0,0,0,.15);
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-wrap: wrap;
}

.navbar-brand {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 0; text-decoration: none;
}
.navbar-brand .brand-icon {
  width: 44px; height: 44px;
  background: var(--gold);
  border-radius: var(--m3-shape-md);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem;
  color: var(--navy-dark);
  transition: border-radius .4s var(--m3-spring);
}
.navbar-brand:hover .brand-icon { border-radius: var(--m3-shape-full); }

.navbar-brand .brand-text {
  color: #fff; font-weight: 700; font-size: 1.1rem; line-height: 1.3;
}
.navbar-brand .brand-text small {
  display: block; color: var(--gold-light);
  font-size: .68rem; font-weight: 500;
  letter-spacing: 1.2px; text-transform: uppercase;
}

.nav-links { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }

.nav-link {
  font-weight: 600; font-size: .82rem;
  color: rgba(255,255,255,.85);
  text-transform: uppercase; letter-spacing: .5px;
  padding: .6rem 1rem;
  border-radius: var(--m3-shape-full);
  transition: all .3s var(--m3-expressive);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--navy-dark);
  background: rgba(245, 197, 66, .85);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(240,165,0,.2);
}

/* ===== M3 BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: .7rem 1.8rem;
  border-radius: var(--m3-shape-full);
  font-weight: 600; font-size: .88rem;
  border: none; outline: none; cursor: pointer;
  transition: all .35s var(--m3-expressive);
  position: relative; overflow: hidden;
  letter-spacing: .3px;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: currentColor; opacity: 0;
  border-radius: inherit;
  transition: opacity .2s;
}
.btn:hover::after { opacity: .08; }
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--gold); color: var(--navy-dark);
  box-shadow: var(--m3-elevation-1);
}
.btn-primary:hover {
  box-shadow: var(--m3-elevation-2);
  transform: translateY(-2px);
}

.btn-navy { background: var(--navy); color: #fff; box-shadow: var(--m3-elevation-1); }
.btn-navy:hover { box-shadow: var(--m3-elevation-2); transform: translateY(-2px); }

.btn-outline {
  background: transparent; color: var(--navy);
  border: 2px solid var(--m3-outline);
}
.btn-outline:hover { background: var(--m3-surface-cont); border-color: var(--navy); }

.btn-white {
  background: rgba(255,255,255,.8); color: var(--navy);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.4);
  box-shadow: var(--m3-elevation-1);
}
.btn-white:hover {
  background: rgba(255,255,255,.95);
  box-shadow: var(--m3-elevation-2);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255,255,255,.12); color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
}
.btn-glass:hover { background: rgba(255,255,255,.2); }

.btn-join {
  background: var(--gold); color: var(--navy-dark);
  padding: .5rem 1.4rem;
  font-weight: 700; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .5px;
}
.btn-join:hover { transform: scale(1.05); box-shadow: var(--m3-elevation-2); }

.btn-logout {
  padding: .45rem 1.2rem;
  border: 2px solid rgba(255,100,100,.5);
  color: #fca5a5; background: transparent;
  border-radius: var(--m3-shape-full);
  font-size: .8rem; font-weight: 600;
}
.btn-logout:hover { background: rgba(239,68,68,.15); border-color: #ef4444; color: #fff; }

/* ===== M3 PAGE BANNER (Large Top App Bar) ===== */
.page-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 3.5rem 0 3rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 0%, rgba(93,173,226,.2), transparent 60%),
              radial-gradient(ellipse at 30% 100%, rgba(240,165,0,.1), transparent 50%);
}
.page-banner h1 {
  font-size: 2rem; font-weight: 700; color: #fff;
  margin-bottom: .5rem; position: relative;
}
.page-banner p {
  color: rgba(255,255,255,.7); font-size: .95rem;
  max-width: 550px; margin: 0 auto; position: relative;
}
.page-banner .gold-bar {
  width: 50px; height: 4px;
  background: var(--gold);
  margin: 1rem auto 0;
  border-radius: var(--m3-shape-full);
  position: relative;
}

/* ===== HERO ===== */
.hero {
  min-height: 520px;
  display: flex; align-items: center;
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--sky-blue) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -30%; right: -15%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(240,165,0,.12), transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute; bottom: -20%; left: -5%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(93,173,226,.15), transparent 70%);
  border-radius: 50%;
}
.hero h1 {
  font-size: 2.8rem; font-weight: 800; line-height: 1.15;
  margin-bottom: 1rem; color: #fff; position: relative; z-index: 1;
}
.hero .highlight { color: var(--gold-light); }
.hero p {
  font-size: 1.05rem; color: rgba(255,255,255,.8);
  max-width: 520px; margin-bottom: 2rem; position: relative; z-index: 1;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; position: relative; z-index: 1; }

/* ===== UPDATES MARQUEE ===== */
.updates-bar {
  background: var(--gold);
  color: var(--navy-dark);
  padding: 0; display: flex; align-items: stretch;
  overflow: hidden;
  border-radius: 0 0 var(--m3-shape-lg) var(--m3-shape-lg);
  margin: 0 1rem;
  box-shadow: var(--m3-elevation-2);
  position: relative; top: -1px;
}
.updates-bar .label {
  background: var(--navy);
  color: #fff;
  padding: 10px 28px 10px 20px;
  font-weight: 700; font-size: .82rem;
  text-transform: uppercase; letter-spacing: 1px;
  display: flex; align-items: center;
  border-radius: 0 0 0 var(--m3-shape-lg);
  clip-path: polygon(0 0, 88% 0, 100% 50%, 88% 100%, 0 100%);
  padding-right: 36px;
}
.updates-bar .marquee { flex: 1; overflow: hidden; padding: 10px 1rem; display: flex; align-items: center; }
.updates-bar .marquee span {
  display: inline-block; white-space: nowrap;
  animation: marquee 22s linear infinite;
  font-weight: 600; font-size: .85rem;
}
@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* ===== M3 SECTIONS ===== */
.section { padding: 3.5rem 0; }
.section-light {
  background: linear-gradient(135deg, rgba(237,242,251,.7), rgba(214,234,248,.3));
  backdrop-filter: blur(4px);
}
.section-navy { background: var(--navy); color: #fff; }

.section-title {
  font-size: 1.6rem; font-weight: 700; color: var(--navy);
  position: relative; display: inline-block;
}
.section-title.white { color: #fff; }
.section-title::after {
  content: ''; display: block;
  width: 40px; height: 3px;
  background: var(--gold);
  margin-top: 8px; border-radius: var(--m3-shape-full);
}
.section-title.center::after { margin: 8px auto 0; }
.section-subtitle { color: var(--text-body); font-size: .95rem; max-width: 550px; }
.section-subtitle.center { margin: 0 auto; }

/* ===== M3 CARDS — Glassmorphism ===== */
.card {
  background: rgba(255, 255, 255, .65);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border-radius: var(--m3-shape-xl);
  border: 1px solid rgba(255, 255, 255, .5);
  box-shadow: 0 4px 24px rgba(26, 58, 107, .06), 0 1px 3px rgba(0,0,0,.04);
  overflow: hidden;
  transition: transform .4s var(--m3-spring), box-shadow .3s var(--m3-standard), background .3s;
}
.card:hover {
  transform: translateY(-6px) scale(1.01);
  background: rgba(255, 255, 255, .8);
  box-shadow: 0 8px 40px rgba(26, 58, 107, .1), 0 2px 8px rgba(0,0,0,.06);
  border-color: rgba(255, 255, 255, .7);
}
.card-body { padding: 1.8rem; }
.card-header-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--sky-blue), var(--gold));
  border-radius: var(--m3-shape-xl) var(--m3-shape-xl) 0 0;
}

/* ===== M3 FEATURES GRID ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem; padding: 1.5rem 0;
}
.feature-card { padding: 0; }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--m3-shape-lg);
  background: linear-gradient(135deg, rgba(26,58,107,.85), rgba(38,77,138,.85));
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff;
  transition: border-radius .4s var(--m3-spring), box-shadow .3s;
  box-shadow: 0 2px 10px rgba(26,58,107,.2);
}
.card:hover .feature-icon {
  border-radius: var(--m3-shape-full);
  box-shadow: 0 4px 18px rgba(26,58,107,.3);
}

/* ===== M3 TEAM CARDS ===== */
.team-card { text-align: center; padding: 0; }
.team-card .avatar {
  width: 88px; height: 88px;
  border-radius: var(--m3-shape-xl);
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 600;
  border: 3px solid var(--gold);
  transition: border-radius .5s var(--m3-spring);
}
.card:hover .avatar { border-radius: var(--m3-shape-full); }
.team-card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: .25rem; }
.team-card .role {
  color: var(--gold-dark); font-size: .82rem;
  font-weight: 600; margin-bottom: .8rem;
  background: rgba(240,165,0,.1);
  display: inline-block;
  padding: .2rem .8rem;
  border-radius: var(--m3-shape-full);
}
.team-card .social-links { display: flex; gap: .6rem; justify-content: center; }
.team-card .social-links a {
  width: 34px; height: 34px;
  border-radius: var(--m3-shape-full);
  background: var(--m3-surface-cont);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); border: none;
  transition: all .3s var(--m3-expressive);
}
.team-card .social-links a:hover {
  background: var(--navy); color: #fff;
  transform: scale(1.15);
}

/* ===== M3 FORMS ===== */
.form-group { margin-bottom: 1.2rem; text-align: left; }
.form-group label {
  display: block; margin-bottom: .4rem;
  color: var(--text-body); font-weight: 600; font-size: .85rem;
}
.form-control {
  width: 100%; padding: .8rem 1rem;
  background: rgba(237, 242, 251, .6);
  backdrop-filter: blur(6px);
  border: 2px solid rgba(255,255,255,.5);
  border-radius: var(--m3-shape-md);
  color: var(--text-dark);
  font-family: inherit; font-size: .92rem;
  transition: all .3s var(--m3-standard);
}
.form-control:hover {
  background: rgba(226, 234, 246, .7);
  border-color: rgba(255,255,255,.7);
}
.form-control:focus {
  outline: none;
  border-color: var(--navy);
  background: rgba(255,255,255,.9);
  box-shadow: 0 0 0 4px rgba(26,58,107,.1);
}

.auth-container { max-width: 420px; margin: 2rem auto; padding: 0; text-align: center; }

/* ===== M3 TABLES ===== */
.vemu-table { width: 100%; border-collapse: separate; border-spacing: 0; text-align: left; }
.vemu-table thead tr { background: var(--navy); color: #fff; }
.vemu-table th {
  padding: .8rem 1rem; font-weight: 600; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .5px;
}
.vemu-table th:first-child { border-radius: var(--m3-shape-sm) 0 0 0; }
.vemu-table th:last-child { border-radius: 0 var(--m3-shape-sm) 0 0; }
.vemu-table td {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--m3-outline-var);
  color: var(--text-body);
}
.vemu-table tbody tr {
  transition: background .2s;
}
.vemu-table tbody tr:hover { background: var(--m3-surface-cont); }

/* ===== STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.stat-card {
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(14px) saturate(1.5);
  -webkit-backdrop-filter: blur(14px) saturate(1.5);
  padding: 1.5rem;
  border-radius: var(--m3-shape-xl);
  border-left: 4px solid var(--gold);
  border-top: 1px solid rgba(255,255,255,.5);
  box-shadow: 0 4px 20px rgba(26,58,107,.06);
  text-align: center;
  transition: transform .3s var(--m3-spring), background .3s;
}
.stat-card:hover {
  transform: translateY(-4px) scale(1.02);
  background: rgba(255,255,255,.85);
  box-shadow: 0 8px 32px rgba(26,58,107,.1);
}
.stat-card .stat-number {
  font-size: 2rem; font-weight: 800; color: var(--navy);
}
.stat-card .stat-label { color: var(--gray); font-size: .82rem; margin-top: .3rem; }

/* ===== FLASH MESSAGES ===== */
.flash-message {
  position: relative; z-index: 1000;
  animation: slideDown .5s var(--m3-expressive) forwards;
  max-width: 550px; margin: .5rem auto;
  padding: .8rem 1.2rem;
  border-radius: var(--m3-shape-md);
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.flash-success {
  background: rgba(220,252,231,.8); color: #166534;
  border: 1px solid rgba(187,247,208,.6);
}
.flash-error {
  background: rgba(254,242,242,.8); color: #991b1b;
  border: 1px solid rgba(254,202,202,.6);
}
@keyframes slideDown {
  from { transform: translateY(-20px) scale(.95); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* ===== CONTACT — Glass ===== */
.contact-info-card {
  background: rgba(26, 58, 107, .88);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  color: #fff;
  padding: 2rem;
  border-radius: var(--m3-shape-xl);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 8px 32px rgba(15,36,71,.3);
}
.contact-info-card h3 { color: #fff; margin-bottom: 1.5rem; font-size: 1.2rem; }
.contact-info-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start; }
.contact-info-item .icon-box {
  width: 44px; height: 44px;
  border-radius: var(--m3-shape-md);
  background: rgba(240,165,0,.15);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-radius .4s var(--m3-spring);
}
.contact-info-item:hover .icon-box { border-radius: var(--m3-shape-full); }
.contact-info-item h4 { font-size: .92rem; margin-bottom: .25rem; }
.contact-info-item p { color: rgba(255,255,255,.7); font-size: .88rem; line-height: 1.5; }

/* ===== CODE WINDOW — Glass ===== */
.code-window {
  background: rgba(30, 41, 59, .85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--m3-shape-xl);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.05);
}

/* ===== M3 FOOTER — Glass ===== */
.footer {
  background: rgba(15, 36, 71, .92);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  color: rgba(255,255,255,.7);
  padding-top: 3rem;
  font-size: .88rem;
  border-radius: var(--m3-shape-xl) var(--m3-shape-xl) 0 0;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer h3 {
  color: #fff; font-size: .95rem;
  margin-bottom: 1rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px;
  position: relative; padding-bottom: 8px;
}
.footer h3::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 28px; height: 3px;
  background: var(--gold);
  border-radius: var(--m3-shape-full);
}
.footer a { color: rgba(255,255,255,.6); transition: color .2s; }
.footer a:hover { color: var(--gold-light); }

.footer-bottom {
  background: rgba(0,0,0,.25);
  text-align: center; padding: 1rem 0;
  margin-top: 2rem; font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.animate-fade-in { animation: fadeInUp .6s var(--m3-expressive) forwards; }
.delay-1 { animation-delay: .15s; opacity: 0; }
.delay-2 { animation-delay: .3s; opacity: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar { flex-direction: column; padding: .5rem 1rem; }
  .nav-links { gap: 2px; flex-wrap: wrap; justify-content: center; }
  .nav-link { padding: .5rem .6rem; font-size: .75rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero { min-height: auto; padding: 2.5rem 0; }
  .features-grid { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 1.5rem; }
  .updates-bar { margin: 0; border-radius: 0; }
}