/*
 * Leo's Playbook — landing page styles
 * Midnight Stadium palette. See docs/product/landing-page-design.md.
 * Scope: public/index.html only. App pages keep their own theme.
 */

:root {
  --color-bg: #1B1B1E;
  --color-surface: #23232a;
  --color-surface-2: #2a2a32;
  --color-border: #2f2f36;
  --color-text: #f2f2f5;
  --color-muted: #9a9aa3;
  --color-cta: #D72638;
  --color-cta-hover: #b91d2c;
  --color-ai: #00F5FF;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-weight: 400;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-text); text-decoration: none; }
ul { padding: 0; margin: 0; list-style: none; }

/* ------------------------------------------------------------------ */
/* Roar Waveform                                                      */
/* ------------------------------------------------------------------ */

.roar-mark {
  display: inline-block;
  color: var(--color-ai);
  vertical-align: middle;
}
.roar-mark-xs { height: 14px; width: auto; color: var(--color-muted); }
.roar-mark-sm { height: 22px; width: auto; }
.roar-mark-lg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  aspect-ratio: 50 / 24;
}

/* Hero waveform: staggered scaleY pulse on each bar. */
@media (prefers-reduced-motion: no-preference) {
  .roar-mark-animated rect {
    transform-origin: center;
    transform-box: fill-box;
    animation: roar-pulse 1.8s ease-in-out infinite;
  }
  .roar-mark-animated rect:nth-child(1)  { animation-delay: 0.00s; }
  .roar-mark-animated rect:nth-child(2)  { animation-delay: 0.07s; }
  .roar-mark-animated rect:nth-child(3)  { animation-delay: 0.14s; }
  .roar-mark-animated rect:nth-child(4)  { animation-delay: 0.21s; }
  .roar-mark-animated rect:nth-child(5)  { animation-delay: 0.28s; }
  .roar-mark-animated rect:nth-child(6)  { animation-delay: 0.35s; }
  .roar-mark-animated rect:nth-child(7)  { animation-delay: 0.42s; }
  .roar-mark-animated rect:nth-child(8)  { animation-delay: 0.49s; }
  .roar-mark-animated rect:nth-child(9)  { animation-delay: 0.56s; }
  .roar-mark-animated rect:nth-child(10) { animation-delay: 0.63s; }
  .roar-mark-animated rect:nth-child(11) { animation-delay: 0.70s; }
  .roar-mark-animated rect:nth-child(12) { animation-delay: 0.77s; }
  .roar-mark-animated rect:nth-child(13) { animation-delay: 0.84s; }
}

@keyframes roar-pulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50%      { transform: scaleY(0.55); opacity: 0.75; }
}

/* ------------------------------------------------------------------ */
/* Top nav                                                            */
/* ------------------------------------------------------------------ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(27, 27, 30, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-nav-inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-text);
}

.brand .wordmark {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, transform 120ms ease;
}

.btn-primary {
  background: var(--color-cta);
  color: #ffffff;
  border-color: var(--color-cta);
}
.btn-primary:hover {
  background: var(--color-cta-hover);
  border-color: var(--color-cta-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-ai);
  color: var(--color-ai);
}

.btn-block {
  display: flex;
  width: 100%;
}

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

main { flex: 1; }

.section-heading {
  margin: 0 0 2rem;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  max-width: 30ch;
}

.section-heading .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ai);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ai);
  margin: 0;
}

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

.hero {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) 1.25rem clamp(2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.hero-copy { display: grid; gap: 1.25rem; justify-items: start; }

.hero h1 {
  margin: 0;
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text);
  max-width: 16ch;
}
.hero h1 .accent { color: var(--color-cta); }

.hero-lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--color-muted);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px var(--color-border),
    0 18px 48px rgba(0, 0, 0, 0.45),
    0 0 80px rgba(0, 245, 255, 0.06);
}

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { order: -1; justify-content: flex-start; }
  .hero-logo { max-width: 360px; }
  .roar-mark-lg { max-width: 280px; }
}

/* ------------------------------------------------------------------ */
/* Chat simulation                                                    */
/* ------------------------------------------------------------------ */

.chat-demo {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 1.25rem;
}

.chat-window {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  max-width: 720px;
  margin: 0 auto;
}

.chat-window-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--color-border);
}

.chat-window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4a4a52;
}

.chat-window-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.chat-thread {
  padding: 1.25rem;
  display: grid;
  gap: 0.85rem;
  background:
    radial-gradient(circle at 100% 0%, rgba(215, 38, 56, 0.04), transparent 40%),
    radial-gradient(circle at 0% 100%, rgba(0, 245, 255, 0.04), transparent 45%),
    var(--color-bg);
}

.chat-row { display: flex; }
.chat-row-user { justify-content: flex-end; }
.chat-row-assistant { justify-content: flex-start; }

.chat-bubble {
  max-width: 78%;
  padding: 0.7rem 0.95rem;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.chat-bubble-user {
  background: var(--color-cta);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.chat-bubble-assistant {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-ai);
  border-bottom-left-radius: 4px;
}

.chat-line { margin: 0; }
.chat-line + .ai-output { margin-top: 0.6rem; }

.ai-output {
  margin: 0;
  padding: 0.7rem 0.85rem;
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.18);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--color-text);
  white-space: pre;
  overflow-x: auto;
}

.chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.7rem;
}

.chat-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
}
.chat-pill-primary {
  border-color: var(--color-ai);
  color: var(--color-ai);
}

.chat-bubble-typing {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.65rem 0.85rem;
}
.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-muted);
  display: inline-block;
}
@media (prefers-reduced-motion: no-preference) {
  .typing-dot { animation: typing-bounce 1.2s ease-in-out infinite; }
  .typing-dot:nth-child(2) { animation-delay: 0.15s; }
  .typing-dot:nth-child(3) { animation-delay: 0.30s; }
}
@keyframes typing-bounce {
  0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
  30%           { opacity: 1;    transform: translateY(-3px); }
}

/* ------------------------------------------------------------------ */
/* Features                                                           */
/* ------------------------------------------------------------------ */

.features {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 1.25rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: border-color 150ms ease, transform 150ms ease;
}
.feature-card:hover {
  border-color: var(--color-ai);
  transform: translateY(-2px);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

.feature-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ------------------------------------------------------------------ */
/* Pricing                                                            */
/* ------------------------------------------------------------------ */

.pricing {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 1.25rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pricing-card-featured {
  border-color: var(--color-ai);
  background:
    linear-gradient(180deg, rgba(0, 245, 255, 0.04), transparent 60%),
    var(--color-surface);
  box-shadow: 0 0 0 1px rgba(0, 245, 255, 0.12);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 1.5rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--color-ai);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.pricing-tier {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.pricing-price {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}
.pricing-price .amount {
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.pricing-price .period {
  font-size: 0.95rem;
  color: var(--color-muted);
  font-weight: 500;
}

.pricing-tagline {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.pricing-features {
  display: grid;
  gap: 0.5rem;
  margin: 0.25rem 0 0.5rem;
  padding: 0;
}
.pricing-features li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}
.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-ai);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.12);
}

.pricing-card .btn-block { margin-top: auto; }

/* ------------------------------------------------------------------ */
/* CTA strip                                                          */
/* ------------------------------------------------------------------ */

.cta-strip {
  width: min(var(--max-width), calc(100% - 2.5rem));
  margin: clamp(2rem, 5vw, 3.5rem) auto clamp(3rem, 7vw, 5rem);
  padding: clamp(2rem, 5vw, 3rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: grid;
  gap: 1rem;
  justify-items: start;
}

.cta-strip h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  max-width: 24ch;
}
.cta-strip p {
  margin: 0;
  color: var(--color-muted);
  max-width: 60ch;
}

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

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 1.25rem;
}
.site-footer-inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--color-muted);
  font-size: 0.85rem;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-muted);
  font-weight: 500;
}

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

@media (max-width: 540px) {
  .site-nav-inner { padding: 0.7rem 1rem; }
  .btn { padding: 0.6rem 0.95rem; font-size: 0.9rem; }
  .chat-bubble { max-width: 88%; }
  .chat-window-title { display: none; }
}