/* ═══════════════════════════════════════════════
   mirai software — zine terminal
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600&display=swap');

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

:root {
  --bg: #0a0a0a;
  --bg-raised: #111;
  --text: #e5e5e5;
  --text-muted: #999;
  --text-dim: #555;
  --amber: #d4a24e;
  --amber-glow: rgba(212, 162, 78, 0.6);
  --teal: #5eead4;
  --teal-glow: rgba(94, 234, 212, 0.6);
  --border: #222;
  --border-hover: #333;
  --font-mono: 'Fira Code', monospace;
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --max-w: 860px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* sans-serif for readable body text */
.desc, .app-card-desc, .app-hero-desc, .feature-card-desc,
.privacy-summary p, .man-section p, .man-section li {
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── nav ─────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, 0.9);
}

.nav-brand {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.nav-brand:hover {
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  font-size: 0.8rem;
}

.nav-links a {
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  border: 1px solid transparent;
  transition: all 0.2s;
}

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

/* ── layout ──────────────────────────────────── */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}

main {
  flex: 1;
}

.section {
  padding: 4rem 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

/* ── hero ────────────────────────────────────── */

.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.ascii-logo {
  font-size: clamp(1.4rem, 5vw, 2.4rem);
  line-height: 0.75;
  letter-spacing: 0;
  color: var(--text);
  margin-bottom: 2rem;
  white-space: pre;
  overflow: hidden;
}

.ascii-logo .line {
  display: block;
  opacity: 0;
  animation: typeIn 0.4s ease-out forwards;
}

.ascii-logo .line:nth-child(1) { animation-delay: 0.1s; }
.ascii-logo .line:nth-child(2) { animation-delay: 0.2s; }
.ascii-logo .line:nth-child(3) { animation-delay: 0.3s; }
.ascii-logo .line:nth-child(4) { animation-delay: 0.4s; }
.ascii-logo .line:nth-child(5) { animation-delay: 0.5s; }
.ascii-logo .line:nth-child(6) { animation-delay: 0.6s; }

@keyframes typeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 32ch;
  margin: 0 auto;
}

.hero-tagline strong {
  color: var(--text);
  font-weight: 500;
}

/* ── divider ─────────────────────────────────── */

.divider {
  color: var(--text-dim);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  user-select: none;
}

/* ── app cards (home) ────────────────────────── */

.app-cards {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.app-card {
  border: 1px solid var(--border);
  padding: 2rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

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

.app-card[data-accent="amber"]:hover {
  border-color: rgba(212, 162, 78, 0.3);
  box-shadow: 0 0 30px rgba(212, 162, 78, 0.05);
}

.app-card[data-accent="teal"]:hover {
  border-color: rgba(94, 234, 212, 0.3);
  box-shadow: 0 0 30px rgba(94, 234, 212, 0.05);
}

.app-card-number {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.app-card-number span {
  color: var(--text-muted);
}

.app-card-ascii {
  font-size: 0.7rem;
  line-height: 0.75;
  letter-spacing: 0;
  color: var(--text-dim);
  white-space: pre;
  padding-top: 0.5rem;
  transition: color 0.3s, text-shadow 0.3s;
}

.app-card[data-accent="amber"] .app-card-ascii {
  color: rgba(212, 162, 78, 0.3);
}

.app-card[data-accent="teal"] .app-card-ascii {
  color: rgba(94, 234, 212, 0.3);
}

.app-card[data-accent="amber"]:hover .app-card-ascii {
  color: rgba(212, 162, 78, 0.7);
  text-shadow: 0 0 8px rgba(212, 162, 78, 0.3);
}

.app-card[data-accent="teal"]:hover .app-card-ascii {
  color: rgba(94, 234, 212, 0.7);
  text-shadow: 0 0 8px rgba(94, 234, 212, 0.3);
}

.app-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  transition: text-shadow 0.3s;
}

.app-card[data-accent="amber"] .app-card-title {
  color: var(--amber);
}

.app-card[data-accent="teal"] .app-card-title {
  color: var(--teal);
}

.app-card[data-accent="amber"]:hover .app-card-title {
  text-shadow: 0 0 20px var(--amber-glow);
}

.app-card[data-accent="teal"]:hover .app-card-title {
  text-shadow: 0 0 20px var(--teal-glow);
}

.app-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  max-width: 38ch;
}

.app-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.tag {
  font-size: 0.7rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  transition: color 0.3s, border-color 0.3s;
}

.app-card-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s, text-shadow 0.2s;
}

.app-card[data-accent="amber"]:hover .app-card-link {
  color: var(--amber);
  text-shadow: 0 0 12px var(--amber-glow);
}

.app-card[data-accent="teal"]:hover .app-card-link {
  color: var(--teal);
  text-shadow: 0 0 12px var(--teal-glow);
}

/* tags shift to accent on hover too */
.app-card[data-accent="amber"]:hover .tag {
  border-color: rgba(212, 162, 78, 0.25);
  color: rgba(212, 162, 78, 0.6);
}

.app-card[data-accent="teal"]:hover .tag {
  border-color: rgba(94, 234, 212, 0.25);
  color: rgba(94, 234, 212, 0.6);
}

/* ── tagline (replaces whoami) ────────────────── */

.site-tagline {
  padding: 3rem 0 4rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ── app page hero ───────────────────────────── */

.app-hero {
  padding: 5rem 0 3rem;
}

.app-hero-ascii {
  font-size: clamp(0.7rem, 2.2vw, 1rem);
  line-height: 0.75;
  letter-spacing: 0;
  white-space: pre;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.app-hero-ascii .line {
  display: block;
  opacity: 0;
  animation: typeIn 0.4s ease-out forwards;
}

.app-hero-ascii .line:nth-child(1) { animation-delay: 0.1s; }
.app-hero-ascii .line:nth-child(2) { animation-delay: 0.2s; }
.app-hero-ascii .line:nth-child(3) { animation-delay: 0.3s; }

.app-hero[data-accent="amber"] .app-hero-ascii {
  color: var(--amber);
}

.app-hero[data-accent="teal"] .app-hero-ascii {
  color: var(--teal);
}

.app-hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 36ch;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.app-store-btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  border: 1px solid var(--text-muted);
  padding: 0.6rem 1.5rem;
  transition: all 0.25s;
  background: none;
  cursor: pointer;
}

.app-store-btn:hover {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(229, 229, 229, 0.15);
}

.app-hero[data-accent="amber"] .app-store-btn:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--bg);
  box-shadow: 0 0 25px var(--amber-glow);
}

.app-hero[data-accent="teal"] .app-store-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--bg);
  box-shadow: 0 0 25px var(--teal-glow);
}

/* ── features grid ───────────────────────────── */

.section-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.section-label span {
  color: var(--text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.feature-card {
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

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

.feature-card[data-accent="amber"]:hover {
  border-color: rgba(212, 162, 78, 0.25);
  box-shadow: 0 0 20px rgba(212, 162, 78, 0.04);
}

.feature-card[data-accent="teal"]:hover {
  border-color: rgba(94, 234, 212, 0.25);
  box-shadow: 0 0 20px rgba(94, 234, 212, 0.04);
}

.feature-card-header {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
  display: flex;
  gap: 0.5rem;
}

.feature-card-header span {
  color: var(--text-muted);
}

.feature-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: text-shadow 0.3s;
}

.feature-card[data-accent="amber"]:hover .feature-card-title {
  text-shadow: 0 0 14px var(--amber-glow);
}

.feature-card[data-accent="teal"]:hover .feature-card-title {
  text-shadow: 0 0 14px var(--teal-glow);
}

.feature-card[data-accent="amber"] .feature-card-title {
  color: var(--amber);
}

.feature-card[data-accent="teal"] .feature-card-title {
  color: var(--teal);
}

.feature-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── privacy summary ─────────────────────────── */

.privacy-summary {
  padding: 4rem 0;
}

.privacy-summary p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.privacy-summary a {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  transition: color 0.2s, text-shadow 0.2s;
}

.privacy-summary a:hover {
  color: var(--text);
  text-shadow: 0 0 12px rgba(229, 229, 229, 0.4);
}

/* ── man page (privacy) ──────────────────────── */

.man-page {
  padding: 4rem 0;
  max-width: 65ch;
}

.man-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.man-section {
  margin-bottom: 2.5rem;
}

.man-section-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.man-section p,
.man-section li {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
  padding-left: 2rem;
}

.man-section ul {
  list-style: none;
  padding-left: 2rem;
}

.man-section li::before {
  content: '·  ';
  color: var(--text-dim);
}

.man-section li {
  padding-left: 0;
}

.man-section a {
  color: var(--amber);
  transition: opacity 0.2s;
}

.man-section a:hover {
  opacity: 0.7;
}

.man-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* ── footer ──────────────────────────────────── */

footer {
  border-top: 1px solid var(--border);
  padding: 2rem var(--gutter);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-inner a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-inner a:hover {
  color: var(--text);
}

.footer-flavor {
  color: var(--text-dim);
}

/* ── scroll reveal ───────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ── responsive ──────────────────────────────── */

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .app-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .app-card-ascii {
    font-size: 0.6rem;
  }

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

  .app-hero {
    padding: 3rem 0 2rem;
  }

  .man-header,
  .man-footer {
    flex-direction: column;
    gap: 0.25rem;
  }

  .man-section p,
  .man-section ul {
    padding-left: 1rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}