/* Design Tokens & Theme Variables */
:root {
  --bg-dark: #07090e;
  --bg-card: rgba(13, 18, 30, 0.45);
  --border-color: rgba(255, 255, 255, 0.08);

  --primary: #8a2be2;
  --primary-glow: rgba(138, 43, 226, 0.35);
  --primary-hover: #9b47eb;

  --accent-blue: #00d2ff;
  --accent-magenta: #ff007f;
  --accent-green: #39ff14;

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-title: "Outfit", sans-serif;
  --font-mono: "Fira Code", monospace;

  --in-oklch: ;
}

@supports (linear-gradient(in oklch, white, black)) {
  :root {
    --in-oklch: in oklch;
  }
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Background Glowing Accents */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
}

.bg-glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 80%);
  top: -100px;
  right: -100px;
}

.bg-glow-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 80%);
  top: 40%;
  left: -200px;
}

.bg-glow-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-magenta) 0%, transparent 80%);
  bottom: -100px;
  right: -100px;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

/* Header & Navbar */
.navbar {
  width: 100%;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.7);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-blue);
  filter: drop-shadow(0 0 8px rgba(0, 210, 255, 0.5));
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    filter 0.2s ease,
    box-shadow 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg var(--in-oklch), var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff;
  padding: 0.6rem 1.2rem;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  filter: brightness(1.15);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-lg {
  padding: 0.8rem 1.8rem;
  font-size: 1.05rem;
}

/* Main Layout Grid */
.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 8rem;
}

/* Hero Section */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-text-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.badge {
  background: rgba(138, 43, 226, 0.15);
  border: 1px solid var(--primary);
  color: #c084fc;
  padding: 0.35rem 0.8rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(
    90deg var(--in-oklch),
    var(--accent-blue) 0%,
    var(--primary) 50%,
    var(--accent-magenta) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* Terminal & Log Viewer */
.terminal-card {
  font-family: var(--font-mono);
  overflow: hidden;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red {
  background-color: #ef4444;
}
.dot-yellow {
  background-color: #f59e0b;
}
.dot-green {
  background-color: #10b981;
}

.terminal-title {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-left: 1.5rem;
}

.terminal-body {
  padding: 1.25rem;
  font-size: 0.85rem;
  line-height: 1.7;
  min-height: 250px;
  background-color: rgba(5, 7, 12, 0.85);
}

.cmd-line {
  color: #fff;
  margin-bottom: 0.5rem;
}

.prompt {
  color: var(--accent-blue);
  font-weight: bold;
}

.log-line {
  margin-left: 1rem;
  margin-bottom: 0.35rem;
}

.text-muted {
  color: var(--text-muted);
}
.text-success {
  color: #10b981;
}
.text-info {
  color: var(--accent-blue);
}

.cursor-blink::after {
  content: "█";
  animation: blink 1s step-start infinite;
  color: var(--accent-blue);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* Features Grid */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.5;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-icon {
  width: 24px;
  height: 24px;
}

.purple-glow {
  background: rgba(138, 43, 226, 0.15);
  color: #c084fc;
}

.blue-glow {
  background: rgba(0, 210, 255, 0.15);
  color: var(--accent-blue);
}

.green-glow {
  background: rgba(57, 255, 20, 0.15);
  color: #4ade80;
}

.magenta-glow {
  background: rgba(255, 0, 127, 0.15);
  color: #f472b6;
}

.feature-title {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 600;
}

.feature-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Architecture Section */
.arch-card {
  padding: 3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.arch-visual {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.arch-node {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  flex: 1;
  min-width: 200px;
  box-shadow: inset 0 0 10px rgba(255, 255, 255, 0.02);
}

.node-title {
  font-family: var(--font-title);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.node-subtitle {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.internet-node {
  border-color: var(--accent-blue);
}
.caddy-node {
  border-color: var(--primary);
}
.app-node {
  border-color: var(--accent-green);
}

.arch-arrow {
  color: var(--text-muted);
  font-size: 1.5rem;
}

.arch-detail {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

/* Quick Start Section */
.code-card {
  overflow: hidden;
}

.code-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.code-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.btn-copy {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.35rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.15);
}

.code-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
  background-color: rgba(5, 7, 12, 0.9);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  background: rgba(7, 9, 14, 0.9);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Responsiveness */
@media (max-width: 968px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-text-content {
    align-items: center;
  }

  .hero-title {
    font-size: 2.8rem;
  }

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

  .arch-visual {
    flex-direction: column;
  }

  .arch-arrow {
    transform: rotate(90deg);
    margin: 0.5rem 0;
  }
}

@media (max-width: 576px) {
  .navbar-container {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-menu {
    gap: 1rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}