:root {
  --bg: #ffffff;
  --text: #111;
  --card: #f5f5f5;
  --accent: #dc143c;
  --secondary: #000000;
  --border: #e0e0e0;
}

html[data-theme="dark"] {
  --bg: #0f0f0f;
  --text: #ffffff;
  --card: #1a1a1a;
  --accent: #ff4444;
  --secondary: #ffffff;
  --border: #333333;
}

* {
  box-sizing: border-box;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
}

/* ========== DYNAMIC TIME GLOW ========== */
.time-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(ellipse at center, transparent 0%, transparent 100%);
  transition: background 1s ease-in-out;
}

/* Morning: Golden hue */
body.time-morning .time-glow {
  background: radial-gradient(ellipse at top center, rgba(255, 200, 100, 0.1) 0%, transparent 60%);
}

/* Afternoon: Neutral */
body.time-afternoon .time-glow {
  background: radial-gradient(ellipse at center, rgba(220, 20, 60, 0.08) 0%, transparent 60%);
}

/* Evening: Orange/purple */
body.time-evening .time-glow {
  background: radial-gradient(ellipse at top center, rgba(255, 120, 80, 0.12) 0%, rgba(80, 40, 100, 0.08) 100%);
}

/* Night: Deep blue */
body.time-night .time-glow {
  background: radial-gradient(ellipse at center, rgba(20, 60, 120, 0.15) 0%, rgba(10, 20, 60, 0.1) 100%);
}

/* ========== LOGO SECTION ========== */
.logo-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(220, 20, 60, 0.05) 0%, rgba(100, 20, 80, 0.03) 100%);
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--border);
}

.logo-section::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(220, 20, 60, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulseGlow 4s ease-in-out infinite;
  z-index: 0;
}

.logo-section::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(220, 20, 60, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulseGlow 6s ease-in-out infinite 0.5s;
  z-index: 0;
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

.logo-container {
  width: 240px;
  height: 240px;
  position: relative;
  z-index: 1;
  animation: floatLogo 3s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(220, 20, 60, 0.4));
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes floatLogo {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

.logo-glow {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 30px rgba(220, 20, 60, 0.6)) drop-shadow(0 0 60px rgba(220, 20, 60, 0.3));
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    filter: drop-shadow(0 0 30px rgba(220, 20, 60, 0.6)) drop-shadow(0 0 60px rgba(220, 20, 60, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 40px rgba(220, 20, 60, 0.8)) drop-shadow(0 0 80px rgba(220, 20, 60, 0.4));
  }
}

.main-title {
  font-size: 48px;
  margin: 30px 0 10px;
  background: linear-gradient(135deg, #dc143c 0%, #ff6b7a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
  animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.main-subtitle {
  font-size: 16px;
  opacity: 0.7;
  margin: 0;
  position: relative;
  z-index: 1;
  animation: slideUp 0.8s ease-out 0.1s both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.lang-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 1000;
}

.lang-btn {
  padding: 8px 14px;
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--accent);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.lang-btn.active {
  background: var(--accent);
  color: white;
}

.lang-btn:hover {
  transform: scale(1.05);
}

/* ========== MUSIC TOGGLE ========== */
.music-toggle {
  position: fixed;
  top: 20px;
  right: 150px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: transparent;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1000;
}

.music-toggle:hover {
  background: var(--accent);
  transform: scale(1.1);
}

/* ========== HEADER ========== */
header {
  display: none;
}

/* ========== HERO SECTION ========== */
.hero {
  padding: 80px 60px;
  background: linear-gradient(135deg, rgba(220, 20, 60, 0.05) 0%, rgba(0, 0, 0, 0.05) 100%);
  border-bottom: 2px solid var(--border);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-content h2 {
  font-size: 36px;
  margin: 0 0 20px 0;
  color: var(--accent);
}

.hero-content p {
  font-size: 16px;
  line-height: 1.8;
  opacity: 0.9;
  margin: 0;
}

/* ========== MAIN ========== */
main {
  padding: 60px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.mentors-title {
  font-size: 28px;
  text-align: center;
  margin-bottom: 50px;
  color: var(--accent);
}

.mentors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== CARD ========== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: cardSlideIn 0.5s ease-out forwards;
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: expandWidth 0.6s ease-out forwards;
}

@keyframes expandWidth {
  from {
    width: 0;
    opacity: 0;
  }
  to {
    width: 100%;
    opacity: 1;
  }
}

.card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 25px 50px rgba(220, 20, 60, 0.2);
}

.card:hover::before {
  opacity: 1;
}

.card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  margin-bottom: 16px;
  transition: filter 0.4s ease, transform 0.4s ease;
  animation: imageZoomIn 0.6s ease-out;
}

@keyframes imageZoomIn {
  from {
    transform: scale(1.1);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.card:hover img {
  filter: brightness(1.15) saturate(1.1);
  transform: scale(1.05);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  animation: fadeInDown 0.5s ease-out 0.2s both;
}

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

.role {
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

.card p {
  margin: 8px 0;
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.8;
}

.card p:last-of-type:not(.focus) {
  flex-grow: 1;
}

.card p.focus {
  margin-top: auto;
  margin-bottom: 0;
  padding-top: 16px;
  padding-bottom: 0;
  border-top: 2px solid var(--border);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  opacity: 1;
  line-height: 1.5;
  animation: slideInLeft 0.5s ease-out 0.3s both;
  display: block;
  width: 100%;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.card p b {
  color: var(--accent);
}

/* ========== MODAL ========== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--card);
  margin: 5% auto;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.close {
  color: var(--text);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.close:hover {
  color: var(--accent);
}

#appForm {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

#appForm input,
#appForm select,
#appForm textarea {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

#appForm input:focus,
#appForm select:focus,
#appForm textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

#appForm button {
  padding: 12px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

#appForm button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(220, 20, 60, 0.3);
}

/* ========== FOOTER ========== */
footer {
  text-align: center;
  padding: 60px 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(220, 20, 60, 0.05) 0%, rgba(0, 0, 0, 0.05) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><filter id="blur"><feGaussianBlur in="SourceGraphic" stdDeviation="40"/></filter></defs><rect width="1200" height="600" fill="rgba(220,20,60,0.02)"/></svg>');
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(220, 20, 60, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto 30px;
  position: relative;
  z-index: 1;
}

.footer-content p {
  font-size: 16px;
  margin: 0 0 15px;
  opacity: 0.8;
  animation: fadeInUp 0.6s ease-out;
}

.footer-note {
  font-size: 15px;
  color: var(--accent);
  margin: 20px 0 !important;
  padding: 15px;
  background: rgba(220, 20, 60, 0.1);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  animation: slideInRight 0.6s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(220, 20, 60, 0.2);
  margin-right: 15px;
}

.footer-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(220, 20, 60, 0.4);
}

.apply-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(220, 20, 60, 0.2);
  border: none;
  cursor: pointer;
}

.apply-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(220, 20, 60, 0.4);
}

.copyright {
  font-size: 13px;
  opacity: 0.6;
  margin: 20px 0 0 0;
}

/* ========== AI WIDGET ========== */
.ai-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
}

.ai-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  font-size: 28px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(220, 20, 60, 0.3);
}

.ai-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(220, 20, 60, 0.4);
}

.ai-chat {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 380px;
  height: 500px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.ai-chat.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ai-header {
  padding: 15px 20px;
  border-bottom: 2px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-header h3 {
  margin: 0;
  font-size: 16px;
  color: var(--accent);
}

.ai-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.ai-close:hover {
  opacity: 1;
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-message {
  padding: 10px 15px;
  border-radius: 12px;
  max-width: 85%;
  word-wrap: break-word;
  font-size: 14px;
  line-height: 1.4;
}

.ai-message.user {
  align-self: flex-end;
  background: var(--accent);
  color: white;
}

.ai-message.bot {
  align-self: flex-start;
  background: rgba(220, 20, 60, 0.1);
  color: var(--text);
  border: 1px solid var(--accent);
}

.ai-form {
  padding: 15px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

.ai-form input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}

.ai-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-form button {
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 12px;
  transition: all 0.3s ease;
}

.ai-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 20, 60, 0.3);
}
@media (max-width: 768px) {
  header, main, .hero {
    padding: 40px 20px;
  }
  
  header h1 {
    font-size: 32px;
  }
  
  .hero-content h2 {
    font-size: 24px;
  }
  
  .mentors-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
  
  .lang-switcher {
    right: 10px;
    top: 10px;
  }
  
  .music-toggle {
    right: 120px;
  }

  .ai-chat {
    width: 320px;
    height: 450px;
    bottom: 80px;
    right: 15px;
  }

  .ai-toggle {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
}