/* Deploy Simulator — GitHub Pages site (light theme) */

@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Outfit:wght@300;400;600;700&display=swap");

:root {
  --bg-deep: #f4f7fb;
  --bg-panel: #ffffff;
  --bg-panel-hover: #f8fafc;
  --border: rgba(15, 23, 42, 0.1);
  --border-bright: rgba(8, 145, 178, 0.35);
  --text: #0f172a;
  --muted: #64748b;
  --cyan: #0891b2;
  --sky: #0284c7;
  --emerald: #059669;
  --violet: #7c3aed;
  --amber: #d97706;
  --rose: #e11d48;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Outfit", system-ui, sans-serif;
  --radius: 14px;
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  --glow-cyan: 0 4px 24px rgba(8, 145, 178, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

#canvas-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
}

/* ── Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--emerald));
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: #fff;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(15, 23, 42, 0.05);
}

/* ── Hero ── */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(8, 145, 178, 0.25);
  background: rgba(8, 145, 178, 0.08);
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge .pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px rgba(5, 150, 105, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(120deg, #0f172a 0%, var(--cyan) 45%, var(--emerald) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.12rem;
  color: var(--muted);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--sky));
  color: #fff;
  box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(8, 145, 178, 0.35);
}

.btn-ghost {
  border: 1px solid var(--border-bright);
  color: var(--text);
  background: #fff;
}

.btn-ghost:hover {
  background: var(--bg-panel-hover);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto;
}

.stat {
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  box-shadow: var(--shadow);
}

.stat-value {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--cyan);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
}

/* ── Sections ── */
section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.section-header {
  margin-bottom: 2rem;
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--emerald);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--muted);
  max-width: 620px;
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Architecture ── */
.arch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 860px) {
  .arch-grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.panel-wide {
  grid-column: 1 / -1;
}

.arch-diagram {
  width: 100%;
  height: auto;
  display: block;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.stack-card {
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-panel-hover);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.stack-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.stack-icon {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.stack-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.stack-role {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.component-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.component-list li {
  display: flex;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.component-list li:last-child {
  border-bottom: none;
}

.component-list strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  min-width: 140px;
}

.component-list code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--cyan);
  background: rgba(8, 145, 178, 0.08);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* ── Workflow ── */
.workflow-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text);
  border-color: var(--border-bright);
  background: var(--bg-panel-hover);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.12), rgba(5, 150, 105, 0.08));
  border-color: var(--cyan);
  color: var(--cyan);
}

.workflow-panel {
  display: none;
}

.workflow-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.flow-diagram {
  width: 100%;
  overflow-x: auto;
  padding: 0.5rem 0;
}

.flow-diagram svg {
  min-width: 520px;
  width: 100%;
  height: auto;
}

.flow-caption {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border-radius: 10px;
  border-left: 3px solid var(--cyan);
  background: rgba(8, 145, 178, 0.06);
  color: var(--muted);
  font-size: 0.9rem;
}

.flow-caption strong {
  color: var(--text);
}

.flow-caption code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--cyan);
  background: rgba(8, 145, 178, 0.08);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.6);
}

.site-footer a {
  color: var(--cyan);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 3rem;
  }
}