/* DevRunner — Terminal-inspired dark theme */

:root {
  --bg: #0B1120;
  --bg-secondary: #0F1929;
  --bg-card: #111D30;
  --bg-terminal: #080F18;
  --fg: #E2EAF4;
  --fg-secondary: #7A8FA8;
  --accent: #00D9C0;
  --accent-dim: rgba(0, 217, 192, 0.12);
  --accent-border: rgba(0, 217, 192, 0.25);
  --terminal-green: #00E5A0;
  --terminal-blue: #5EC4F7;
  --terminal-yellow: #F5C842;
  --terminal-red: #FF6B6B;
  --terminal-comment: #4A6080;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-heading);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  background: rgba(11, 17, 32, 0.8);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-dot {
  color: var(--accent);
}

.nav-cta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  padding: 8px 18px;
  border-radius: 6px;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: rgba(0, 217, 192, 0.22);
}

/* ── Section Label ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 12px;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 40px 80px;
  overflow: hidden;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 217, 192, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 192, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-headline-accent {
  color: var(--accent);
}

.hero-sub {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.7;
  max-width: 440px;
}

/* ── Terminal ── */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0, 217, 192, 0.08),
    0 32px 64px rgba(0, 0, 0, 0.5);
  font-family: var(--font-mono);
}

.terminal-bar {
  background: var(--bg-secondary);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.terminal-dot-red { background: #FF5F57; }
.terminal-dot-yellow { background: #FEBC2E; }
.terminal-dot-green { background: #28C840; }

.terminal-title {
  margin-left: 12px;
  font-size: 0.72rem;
  color: var(--fg-secondary);
  letter-spacing: 0.02em;
}

.terminal-body {
  padding: 20px 24px;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.terminal-prompt {
  color: var(--terminal-green);
  font-weight: 600;
  flex-shrink: 0;
}

.terminal-cmd {
  color: var(--fg);
}

.terminal-output {
  margin: 12px 0;
  padding: 16px;
  background: rgba(0, 217, 192, 0.04);
  border: 1px solid var(--accent-border);
  border-radius: 8px;
}

.t-line {
  font-size: 0.78rem;
  color: var(--fg-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.t-ok { color: var(--terminal-green); font-weight: 600; }
.t-pr { color: var(--terminal-blue); font-weight: 600; }
.t-highlight .t-pr { font-size: 1rem; }
.t-meta { margin-top: 8px; color: var(--terminal-comment); }
.t-time { color: var(--terminal-yellow); font-weight: 600; }

.terminal-cursor-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  margin-top: 8px;
}

.terminal-cursor {
  color: var(--terminal-green);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── How It Works ── */
.hiw {
  padding: 100px 40px;
  background: var(--bg-secondary);
}

.hiw-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.hiw-header {
  margin-bottom: 64px;
}

.hiw-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg);
  max-width: 500px;
}

.hiw-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.hiw-step {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  padding: 6px 12px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  display: inline-block;
  width: fit-content;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ── Features ── */
.features {
  padding: 100px 40px;
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 64px;
}

.features-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.feature-icon {
  margin-bottom: 16px;
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ── Why Now ── */
.whynow {
  padding: 100px 40px;
  background: var(--bg-secondary);
}

.whynow-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.whynow-title {
  font-size: clamp(1.8rem, 2.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg);
  line-height: 1.2;
  margin-bottom: 24px;
}

.whynow-body {
  font-size: 1rem;
  color: var(--fg-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.whynow-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 8px;
}

.stat {
  border-left: 2px solid var(--accent-border);
  padding-left: 24px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* ── Closing ── */
.closing {
  padding: 100px 40px;
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 48px;
}

.closing-terminal {
  width: 100%;
  max-width: 600px;
  background: var(--bg-terminal);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  font-family: var(--font-mono);
  text-align: left;
}

.closing-terminal-body {
  padding: 20px 24px;
}

.closing-output {
  margin: 12px 0 0;
}

.co-line {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.co-key {
  color: var(--terminal-green);
  min-width: 120px;
  font-weight: 500;
}

.co-val {
  color: var(--fg-secondary);
}

.co-spacer {
  margin-top: 12px;
}

.co-comment {
  color: var(--terminal-comment);
  font-style: italic;
}

.closing-headline {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1.1;
}

.closing-body {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  margin-top: 12px;
}

.closing-cta {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.1s;
}

.closing-cta:hover {
  background: #00c4ad;
  transform: translateY(-1px);
}

/* ── Pricing ── */
.pricing {
  padding: 100px 40px;
}

.pricing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-header {
  text-align: center;
  margin-bottom: 64px;
}

.pricing-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 16px;
}

.pricing-sub {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.65;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 820px;
  margin: 0 auto 40px;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.pricing-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.pricing-card--featured {
  border-color: var(--accent-border);
  background: var(--bg-card);
  box-shadow: 0 0 0 1px var(--accent-border), 0 32px 64px rgba(0,217,192,0.08);
}

.pc-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.pc-top {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pc-plan {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pc-price {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.04em;
  line-height: 1;
}

.pc-period {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--fg-secondary);
}

.pc-tagline {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-top: 4px;
}

.pc-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.pc-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

.pc-check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pc-cta {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 14px 24px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.1s;
  cursor: pointer;
}

.pc-cta:hover {
  background: #00c4ad;
  transform: translateY(-1px);
}

.pc-cta--secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent-border);
}

.pc-cta--secondary:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.pricing-note {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-secondary);
}

/* ── Footer ── */
.footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 32px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
}

.footer-dot {
  color: var(--accent);
}

.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-secondary);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner,
  .whynow-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .hero {
    padding: 80px 24px 60px;
  }

  .hiw,
  .features,
  .whynow,
  .closing,
  .pricing {
    padding: 72px 24px;
  }
}

@media (max-width: 600px) {
  .hiw-steps,
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}