/* ===== BASE ===== */
:root {
  --red: #d40000;
  --black: #000;
  --white: #fff;
  --gray: #2D2D2D;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--white);
  background-color: var(--black);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ===== NAVIGATION ===== */
.navbar {
  background: var(--black);
  padding: 1rem 0;
  border-bottom: 1px solid #333;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--white);
  font-weight: bold;
  margin-right: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: #ccc;
  transition: color 0.3s;
}

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

.btn-nav {
  background: var(--red);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-nav:hover {
  background: transparent;
  color: var(--red);
  border: 2px solid var(--red);
}

.hamburger {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('../images/snake-bg.jpg') center/cover no-repeat;
  background-attachment: fixed;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/snake-pattern.svg');
  background-size: 400% 400%;
  opacity: 0.05;
  animation: pulsePattern 20s ease-in-out infinite;
}

@keyframes pulsePattern {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-50%, -50%); }
  100% { transform: translate(0, 0); }
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 6rem;
  color: var(--white);
  text-shadow: 0 0 30px rgba(212, 0, 0, 0.8);
  margin-bottom: 20px;
}

.logo span {
  color: var(--red);
}

.tagline {
  font-size: 2rem;
  color: var(--red);
  margin-bottom: 30px;
  font-style: italic;
}

.snake-logo {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin: 20px auto;
  filter: drop-shadow(0 0 15px var(--red));
  animation: snakeMove 4s ease-in-out infinite alternate;
}

@keyframes snakeMove {
  0% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(5deg); }
  50% { transform: translateY(0) rotate(0deg); }
  75% { transform: translateY(10px) rotate(-5deg); }
  100% { transform: translateY(0) rotate(0deg); }
}

.btn {
  display: inline-block;
  padding: 15px 40px;
  background: var(--red);
  color: var(--white);
  font-weight: bold;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(212, 0, 0, 0.5);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(212, 0, 0, 0.8);
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: 0.5s;
}

.btn:hover::after {
  left: 100%;
}

/* ===== FOOTER ===== */
footer {
  background: var(--black);
  color: #aaa;
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid #333;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-top: 20px;
}

.social-links a {
  color: var(--red);
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--white);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,0.98);
    padding: 20px;
    gap: 15px;
    text-align: center;
    border-top: 1px solid var(--red);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .logo {
    font-size: 4rem;
  }

  .tagline {
    font-size: 1.5rem;
  }
}