/* ===================================================================
   shared.css — Styles shared across hop site pages
   =================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }

:root {
  --color-primary: #dc2626;
  --color-primary-hover: #b91c1c;
  --color-bg: #09090b;
  --color-surface: #18181b;
  --color-surface-elevated: #1e1e23;
  --color-text: #f4f4f5;
  --color-text-secondary: #c4c4cc;
  --color-text-tertiary: #9a9aa3;
  --color-border: rgba(255, 255, 255, 0.05);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-accent-teal: #2ec4b6;
  --color-accent-amber: #f59e0b;
  --color-accent-green: #10b981;
  --font-display: "Manrope", sans-serif;
  --font-body: "Inter", "Manrope", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", monospace;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Nav ---------------------------------------------------------------- */

nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(16px);
  background: rgba(9, 9, 11, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-brand span { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 150ms;
}

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

/* --- Buttons ------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: all 150ms;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 24px rgba(220, 38, 38, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.03);
}

/* --- Container ----------------------------------------------------------- */

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 2rem;
  overflow: hidden;
}

/* --- Hero ---------------------------------------------------------------- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10rem 2rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 60rem;
  height: 60rem;
  background: radial-gradient(ellipse, rgba(220, 38, 38, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  border: 1px solid rgba(220, 38, 38, 0.3);
  background: rgba(220, 38, 38, 0.08);
  color: #f87171;
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 48rem;
}

.hero h1 .gradient {
  background: linear-gradient(90deg, var(--color-primary), #f87171);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 36rem;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Section ------------------------------------------------------------- */

section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0 auto;
}

/* --- Cards --------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid > * { min-width: 0; }

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 150ms;
}

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

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-accent, rgba(255,255,255,0.1)), transparent);
}

.card-red    { --card-accent: var(--color-primary); }
.card-teal   { --card-accent: var(--color-accent-teal); }
.card-amber  { --card-accent: var(--color-accent-amber); }
.card-green  { --card-accent: var(--color-accent-green); }

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

.card-icon-red   { background: rgba(220, 38, 38, 0.1); color: #f87171; }
.card-icon-teal  { background: rgba(46, 196, 182, 0.1); color: var(--color-accent-teal); }
.card-icon-amber { background: rgba(245, 158, 11, 0.1); color: var(--color-accent-amber); }
.card-icon-green { background: rgba(16, 185, 129, 0.1); color: var(--color-accent-green); }

.card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* --- Steps --------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.steps > * { min-width: 0; }

.step {
  position: relative;
  padding: 2rem;
  counter-increment: step;
}

.step::before {
  content: counter(step);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(220, 38, 38, 0.4);
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
}

.step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.step p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.step code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  color: var(--color-accent-teal);
}

/* --- Code block ---------------------------------------------------------- */

.code-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  overflow: hidden;
  max-width: 100%;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
}

.code-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-text-tertiary);
}

.code-dot:nth-child(1) { background: #ef4444; }
.code-dot:nth-child(2) { background: #f59e0b; }
.code-dot:nth-child(3) { background: #22c55e; }

.code-title {
  margin-left: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.code-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  overflow-x: auto;
  white-space: pre;
}

.code-body .comment { color: var(--color-text-tertiary); }
.code-body .cmd { color: var(--color-accent-teal); }
.code-body .flag { color: var(--color-accent-amber); }
.code-body .url { color: #f87171; }
.code-body .output { color: var(--color-text-secondary); }
.code-body .prompt { color: var(--color-accent-green); }

/* --- Footer -------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 2rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 72rem;
  margin: 0 auto;
}

.footer-copy {
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
}

.footer-copy a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

.footer-tagline {
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  font-style: italic;
}

/* --- Hamburger nav -------------------------------------------------------- */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.25rem;
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 768px) {
  nav { padding: 0.75rem 1rem; flex-wrap: wrap; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0 0.5rem;
  }
  .nav-links.open { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 7rem 1.5rem 4rem; }
  section { padding: 4rem 0; }
  .container { padding: 0 1rem; }
  .code-body { font-size: 0.7rem; line-height: 1.7; padding: 1rem; white-space: pre; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .code-block { max-width: 100%; }
}

@media (max-width: 480px) {
  .hero { padding: 6rem 1rem 3rem; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .code-body { font-size: 0.7rem; line-height: 1.6; padding: 0.75rem; }
  .section-header h2 { font-size: 1.5rem; }
  .section-header p { font-size: 0.95rem; }
  .card { padding: 1.5rem; }
  .step { padding: 1.5rem 1rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}