@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Inter:wght@400;600;700&display=swap");

:root {
  --bg: #0a1628;
  --bg-card: #0f1f38;
  --bg-card-hover: #142744;
  --text: #e8e8f0;
  --text-dim: #8899b3;
  --red: #c0392b;
  --red-glow: rgba(192, 57, 43, 0.15);
  --blue: #2d9cdb;
  --blue-glow: rgba(45, 156, 219, 0.2);
  --border: #1a2d4a;
  --spotlight: radial-gradient(
    ellipse at 50% 0%,
    rgba(45, 156, 219, 0.06) 0%,
    transparent 60%
  );
  --font:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #5bbde8;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(45, 156, 219, 0.1);
  color: var(--blue);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.container {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

nav .logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--red);
  text-shadow: 0 0 12px var(--red-glow);
  letter-spacing: 0.05em;
}

.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 1.1rem;
  padding: 0.4em 0.5em;
  cursor: pointer;
  line-height: 1;
}

.hamburger:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

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

nav .nav-links a {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

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

.hero {
  position: relative;
  padding: 6rem 0 5rem;
  background: var(--spotlight);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(192, 57, 43, 0.04) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: -20%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(45, 156, 219, 0.03) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 1rem;
  text-shadow: 0 0 40px var(--red-glow);
}

.hero-text .tagline {
  font-size: 1.25rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.hero-text .hook {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--red);
  text-shadow: 0 0 12px var(--red-glow);
  letter-spacing: 0.02em;
}

.hero-image {
  flex-shrink: 0;
  width: 280px;
  height: 280px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow:
    0 0 60px rgba(45, 156, 219, 0.08),
    0 0 30px var(--red-glow);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

section {
  padding: 5rem 0;
  position: relative;
}

section + section {
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--red);
  text-shadow: 0 0 10px var(--red-glow);
  margin-bottom: 2rem;
}

section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

section p {
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition:
    border-color 0.2s,
    background 0.2s;
}

.card:hover {
  border-color: var(--red);
  background: var(--bg-card-hover);
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.command-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 1rem;
}

.command-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  transition: border-color 0.2s;
}

.command-list li:hover {
  border-color: var(--blue);
}

.command-list code {
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 0.35rem;
}

.command-list .desc {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.arch-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 2rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 2.2;
  overflow-x: auto;
}

.arch-diagram .service {
  display: inline-block;
  background: rgba(45, 156, 219, 0.08);
  border: 1px solid var(--blue);
  color: var(--blue);
  padding: 0.3em 0.8em;
  border-radius: 4px;
  margin: 0.2em;
}

.arch-diagram .arrow {
  color: var(--red);
  margin: 0 0.3em;
}

.arch-diagram .label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
}

footer p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

footer a {
  color: var(--blue);
}

@keyframes spotlight-sweep {
  0%,
  100% {
    opacity: 0.03;
    transform: translateX(-10%);
  }
  50% {
    opacity: 0.06;
    transform: translateX(10%);
  }
}

.spotlight-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.spotlight-effect::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 20%;
  width: 300px;
  height: 200%;
  background: linear-gradient(
    180deg,
    rgba(45, 156, 219, 0.04) 0%,
    transparent 40%
  );
  transform: rotate(15deg);
  animation: spotlight-sweep 12s ease-in-out infinite;
}

.spotlight-effect::after {
  content: "";
  position: absolute;
  top: -50%;
  right: 30%;
  width: 200px;
  height: 200%;
  background: linear-gradient(
    180deg,
    rgba(192, 57, 43, 0.03) 0%,
    transparent 35%
  );
  transform: rotate(-10deg);
  animation: spotlight-sweep 16s ease-in-out infinite reverse;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

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

  .hero .container {
    flex-direction: column-reverse;
    gap: 2rem;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.75rem;
  }

  .hero-image {
    width: 200px;
    height: 200px;
  }

  nav .nav-links {
    gap: 1rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2.25rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .command-list {
    grid-template-columns: 1fr;
  }
}