:root {
  --bg-color: #0b0e14;
  --text-color: #c9d1d9;
  --accent-color: #ff6c6e;
  --accent-secondary: #ff9a8b;
  --header-bg: rgba(11, 14, 20, 0.8);
  --card-bg: #161b22;
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 16px 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  font-size: 20px;
  color: #ffffff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: #8b949e;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: #ffffff;
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 108, 110, 0.1) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

h1 {
  font-size: clamp(32px, 8vw, 64px);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero p {
  font-size: clamp(16px, 2vw, 20px);
  color: #8b949e;
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(255, 108, 110, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 108, 110, 0.4);
}

.btn-secondary {
  background: var(--glass-bg);
  color: #ffffff;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.hero-mockup {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 24px;
  padding: 10px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

.hero-mockup img {
  width: 100%;
  border-radius: 16px;
  display: block;
}

/* Features Section */
.features {
  padding: 100px 0;
}

.section-tag {
  color: var(--accent-color);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
  text-align: center;
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
  color: #ffffff;
  text-align: center;
  margin-bottom: 64px;
  letter-spacing: -1px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 24px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(255, 108, 110, 0.3);
  transform: translateY(-4px);
  background: rgba(22, 27, 34, 0.6);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 108, 110, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-color);
}

.feature-card h3 {
  color: #ffffff;
  margin-bottom: 12px;
  font-size: 20px;
}

.feature-card p {
  color: #8b949e;
  font-size: 16px;
}

/* Showcase Section */
.showcase {
  padding: 100px 0;
  background: linear-gradient(to bottom, transparent, rgba(255, 108, 110, 0.02), transparent);
}

.showcase-content {
  display: flex;
  align-items: center;
  gap: 64px;
  flex-direction: row-reverse;
}

.showcase-text {
  flex: 1;
}

.showcase-image {
  flex: 1;
}

.showcase-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

/* Footer style */
footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 24px;
}

.footer-links a {
  color: #8b949e;
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-color);
}

.copyright {
  color: #484f58;
  font-size: 12px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .showcase-content {
    flex-direction: column;
    text-align: center;
  }

  h1 {
    font-size: 40px;
  }
}