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

/* === Root === */
:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --border: #1e1e2e;
  --text: #c8c8d4;
  --text-dim: #6e6e82;
  --accent: #00f0ff;
  --accent-dim: #007a8a;
  --green: #39ff14;
  --red: #ff0044;
  --yellow: #ffe600;
  --font-mono: 'Courier New', 'Consolas', monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === Scanlines === */
.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.06) 2px,
    rgba(0, 0, 0, 0.06) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* === Container === */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header === */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: 2px;
}

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

.logo-text {
  color: var(--green);
  text-shadow: 0 0 8px rgba(57, 255, 20, 0.4);
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--accent);
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
}

/* === Hero === */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

/* === Terminal Window === */
.terminal-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.05);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #1a1a28;
  border-bottom: 1px solid var(--border);
}

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

.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-title {
  margin-left: 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 24px;
}

.prompt {
  margin: 8px 0;
}

.prompt-symbol {
  color: var(--accent);
  margin-right: 8px;
}

.output {
  margin: 6px 0 6px 24px;
  color: var(--text);
  font-size: 0.9rem;
}

.output.muted {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.highlight {
  color: var(--green);
  text-shadow: 0 0 6px rgba(57, 255, 20, 0.4);
}

.cursor {
  animation: blink 1s step-end infinite;
}

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

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 10px 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: bold;
}

.btn-primary:hover {
  background: #33f5ff;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

/* === Contact Form === */
.contact-form {
  margin-top: 16px;
  max-width: 600px;
}

.contact-form textarea {
  width: 100%;
  background: #0a0a0f;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px;
  resize: vertical;
  transition: border-color 0.2s;
}

.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
}

.contact-form textarea::placeholder {
  color: var(--text-dim);
}

.form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

.char-count {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* === Sections === */
.section {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.section-tag {
  color: var(--text-dim);
  margin-right: 8px;
}

.section p {
  margin-bottom: 14px;
  font-size: 0.9rem;
  max-width: 65ch;
}

/* === Feature Grid === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.08);
}

.feature-card h3 {
  color: var(--green);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* === Data Table === */
.data-table {
  margin-top: 24px;
}

.data-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th,
.data-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  color: var(--accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.data-table td {
  color: var(--text);
}

.data-table .up {
  color: var(--green);
}

.data-table .down {
  color: var(--red);
}

.data-table .flat {
  color: var(--text-dim);
}

/* === Footer === */
footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* === Responsive === */
@media (max-width: 600px) {
  header {
    flex-direction: column;
    gap: 16px;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }

  .terminal-body {
    padding: 16px;
  }
}