:root {
  --bg-color: #000000;
  --surface: #1c1c1e;
  --text-main: #ffffff;
  --text-dim: #8e8e93;
  --accent: #ffffff;
  --glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  overflow-x: hidden;
  line-height: 1.5;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--border);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 30px;
  width: auto;
}

.logo-text {
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 35px;
  font-size: 0.85rem;
  font-weight: 400;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.lang-switch {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  margin-left: 35px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.lang-switch:hover {
  color: var(--text-main);
  border-color: var(--text-dim);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 20px;
  background: radial-gradient(circle at center, #111 0%, #000 100%);
}

.hero h1 {
  font-size: 6rem;
  font-weight: 700;
  letter-spacing: -3px;
  margin-bottom: 15px;
  background: linear-gradient(180deg, #fff 0%, #888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.5rem;
  color: var(--text-dim);
  max-width: 700px;
  margin-bottom: 50px;
  font-weight: 400;
}

.btn-apple {
  background: #ffffff;
  color: #000000;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-apple:hover {
  background: #f5f5f7;
  transform: scale(1.02);
}

/* Sections */
section {
  padding: 160px 80px;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 80px;
  text-align: center;
  letter-spacing: -1.5px;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  padding: 50px;
  border-radius: 28px;
  transition: transform 0.3s ease;
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card p {
  color: var(--text-dim);
  font-size: 1.1rem;
}

/* Specs Grid */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.spec-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--glass);
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.spec-item:hover {
  border-color: var(--text-dim);
  background: rgba(255, 255, 255, 0.08);
}

.spec-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 12px;
}

.spec-item p {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .specs-grid { grid-template-columns: 1fr; }
}

/* Glass Auth */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.glass-panel {
  background: rgba(28, 28, 30, 0.7);
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 60px;
  width: 100%;
  max-width: 500px;
}

.input-field {
  width: 100%;
  background: #2c2c2e;
  border: none;
  padding: 18px 24px;
  border-radius: 14px;
  color: white;
  margin-bottom: 16px;
  font-size: 1rem;
  outline: none;
}

.input-field::placeholder {
  color: #636366;
}

/* Footer */
footer {
  padding: 100px 80px;
  text-align: center;
  border-top: 0.5px solid var(--border);
}

.social-link {
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
}

.social-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: var(--text-dim);
}

.signature {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 40px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Admin Panel */
.admin-panel {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  text-align: left;
}

.admin-title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: #ff3b30; /* Apple Red for admin awareness */
}

.admin-textarea {
  width: 100%;
  background: #2c2c2e;
  border: 1px solid var(--border);
  padding: 18px;
  border-radius: 14px;
  color: white;
  margin-bottom: 16px;
  font-size: 0.95rem;
  outline: none;
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.admin-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.stat-item {
  background: var(--glass);
  padding: 15px 20px;
  border-radius: 16px;
  flex: 1;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.broadcast-status {
  margin-top: 15px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Burger Menu Styles */
.burger-menu {
  display: none;
  cursor: pointer;
  z-index: 1001;
}

.burger-menu .bar {
  width: 25px;
  height: 2px;
  background-color: var(--text-main);
  margin: 5px 0;
  transition: 0.3s;
}

/* Burger Animation to X */
.burger-menu.active .bar:nth-child(1) { transform: rotate(-45deg) translate(-5px, 5px); }
.burger-menu.active .bar:nth-child(2) { opacity: 0; }
.burger-menu.active .bar:nth-child(3) { transform: rotate(45deg) translate(-5px, -6px); }

@media (max-width: 1024px) {
  nav { padding: 20px 40px; }
  section { padding: 100px 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 5rem; }
}

@media (max-width: 768px) {
  nav { padding: 15px 20px; }
  
  .burger-menu { display: block; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 100%;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    margin: 20px 0;
    font-size: 2rem;
    font-weight: 600;
    color: white;
  }

  .lang-switch {
    margin-left: 0;
    margin-top: 40px;
    font-size: 1.2rem;
    padding: 10px 24px;
    border-radius: 12px;
  }
  
  .hero h1 { font-size: 3.5rem; letter-spacing: -2px; }
  .hero p { font-size: 1.2rem; }
  
  .section-title { font-size: 2.5rem; margin-bottom: 40px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 30px; }
  
  section { padding: 60px 20px; }
  .glass-panel { padding: 30px 20px; }
  
  .admin-stats { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.8rem; }
  .btn-apple { width: 100%; text-align: center; }
  footer { padding: 60px 20px; }
}