:root {
  --primary-color: #0f1b2e;
  --accent-color: #F95738;
  --bg-gradient: linear-gradient(135deg, #0f1b2e, #142b4f);
  --text-dark: #eaeaea;
  --text-light: #b0b0b0;
  --glass-bg: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.15);
  --shadow-soft: 0 8px 25px rgba(0, 0, 0, 0.3);
  --font-main: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
}

body {
  background: var(--bg-gradient);
  color: var(--text-dark);
  font-family: var(--font-main);
  margin: 0;
  overflow-x: hidden;
}

/* Header */
.glass-header {
  backdrop-filter: blur(12px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-soft);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

.logo {
  height: 50px;
}

.header-branding {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.3rem;
}

/* Navigation */
nav a {
  color: #eaeaea;
  font-weight: 500;
  margin-left: 2rem;
  text-decoration: none;
  font-size: 1rem;
  position: relative;
  transition: color 0.3s ease;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

nav a:hover {
  color: var(--accent-color);
}

nav a:hover::after {
  width: 100%;
}

/* Hero Section */
.hero {
  position: relative;
  text-align: center;
  padding: 8rem 1rem 6rem;
  color: white;
  overflow: hidden;
  z-index: 1;
}

/* Animated background gradient */
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, #1f3b73, transparent 30%),
              radial-gradient(circle at 70% 60%, #F95738, transparent 25%),
              radial-gradient(circle at 50% 80%, #0f1b2e, transparent 40%);
  background-blend-mode: screen;
  filter: blur(120px);
  opacity: 0.5;
  animation: moveGradient 18s ease-in-out infinite alternate;
  z-index: 0;
}

@keyframes moveGradient {
  0% {
    transform: translate(-10%, -10%) scale(1);
  }
  50% {
    transform: translate(10%, 5%) scale(1.1);
  }
  100% {
    transform: translate(-5%, 10%) scale(1);
  }
}

.hero .container {
  position: relative;
  z-index: 2;
  animation: fadeSlide 1s ease forwards;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-light);
}

/* Sections */
.section {
  background: rgba(255, 255, 255, 0.05);
  margin: 4rem auto;
  border-radius: 12px;
  max-width: 1000px;
  padding: 4rem 2rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
}

.section.alt {
  background: rgba(255, 255, 255, 0.03);
  box-shadow: none;
}

.section h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: white;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
  padding-bottom: 0.3rem;
}

/* Cards */
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 2rem;
  flex: 1 1 300px;
  text-align: left;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(249, 87, 56, 0.25);
  border-color: var(--accent-color);
}

.card h3 {
  font-family: var(--font-heading);
  color: white;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-light);
}

/* Footer */
footer {
  text-align: center;
  background: rgba(15, 27, 46, 0.9);
  padding: 3rem 1rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

footer .socials {
  margin-top: 1rem;
}

footer .socials a img {
  width: 22px;
  opacity: 0.8;
  transition: all 0.3s ease;
}

footer .socials a:hover img {
  opacity: 1;
  transform: scale(1.2);
}

/* Animations */
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  animation: fadeSlide 0.8s ease forwards;
  animation-delay: 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
  .cards {
    flex-direction: column;
  }

  .hero h1 {
    font-size: 2rem;
  }
}
