@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Neutral, editorial palette */
  --bg: #f6f6f7;
  --surface: #ffffff;
  --ink: #16161c;
  --ink-2: #55555f;
  --muted: #8f8f99;
  --line: #e5e5e9;
  --line-strong: #d4d4da;

  --accent: #2554fb;
  --accent-dark: #1a3fd0;
  --accent-soft: rgba(37, 84, 251, 0.08);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(22, 22, 28, 0.05);
  --shadow-md: 0 6px 20px rgba(22, 22, 28, 0.07);
  --shadow-lg: 0 14px 40px rgba(22, 22, 28, 0.1);

  --transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease, opacity 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Reset & Base Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

img { max-width: 100%; height: auto; }

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

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* Layout Containers */
.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(32px, 6vw, 64px) clamp(20px, 4vw, 24px);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 6vw, 56px);
  box-shadow: var(--shadow-sm);
  position: relative;
  animation: fadeInUp 0.6s ease forwards;
}

@media (max-width: 640px) {
  .container { padding: 24px 16px 40px; }
  .card { padding: 28px 22px; }
}

/* App Header & Hero Area */
.app-header {
  text-align: center;
  margin-bottom: clamp(32px, 6vw, 56px);
}

.app-icon {
  width: clamp(96px, 20vw, 110px);
  height: clamp(96px, 20vw, 110px);
  border-radius: clamp(20px, 4vw, 24px);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}

.app-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.4rem + 3vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 12px;
  text-wrap: balance;
}

.app-tagline {
  font-size: clamp(1rem, 0.9rem + 0.6vw, 1.2rem);
  color: var(--ink-2);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

/* Download Badges */
.download-badges {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 32px);
  flex-wrap: wrap;
}

.badge-btn {
  display: inline-flex;
  align-items: center;
  background-color: var(--ink);
  color: #ffffff;
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  text-decoration: none;
  transition: var(--transition);
  min-width: 180px;
  text-align: left;
  min-height: 52px;
}

.badge-btn:hover { background-color: var(--accent); border-color: var(--accent); }

.badge-icon { font-size: 28px; margin-right: 12px; display: flex; align-items: center; }
.badge-icon svg { display: block; }

.badge-text { display: flex; flex-direction: column; }

.badge-sub { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.5px; color: #a1a1aa; }

.badge-main { font-size: 1rem; font-weight: 600; color: #ffffff; line-height: 1.2; }

@media (max-width: 480px) {
  .badge-btn { width: 100%; max-width: 280px; justify-content: center; }
}

/* Typography Details */
h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.15rem + 1vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

h3 { font-size: 1.15rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.75rem; }

p { margin-bottom: 1.25rem; color: var(--ink-2); font-size: 1.02rem; }
ul, ol { margin-bottom: 1.5rem; padding-left: 1.5rem; color: var(--ink-2); font-size: 1.02rem; }
li { margin-bottom: 0.5rem; }
strong { font-weight: 600; color: var(--ink); }
hr { border: 0; height: 1px; background: var(--line); margin: 3rem 0; }
.meta-date { font-size: 0.9rem; color: var(--muted); margin-top: -0.75rem; margin-bottom: 2.5rem; display: block; font-weight: 500; }

.notice-box {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 2rem 0;
}
.notice-box p:last-child { margin-bottom: 0; }

/* Buttons & Links */
a { color: var(--accent); text-decoration: none; font-weight: 500; transition: var(--transition); }
a:hover { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none !important;
  min-height: 46px;
}

.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.btn-secondary {
  background: var(--surface);
  color: var(--ink) !important;
  border-color: var(--line-strong);
}
.btn-secondary:hover { background: var(--surface); border-color: var(--ink); color: var(--ink) !important; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-weight: 500;
  color: var(--ink-2);
  font-size: 0.95rem;
  padding: 8px 14px;
  background: var(--surface);
  border-radius: 100px;
  border: 1px solid var(--line);
  width: fit-content;
  transition: var(--transition);
}

.back-link:hover { color: var(--accent); text-decoration: none; border-color: var(--accent); }

/* App Grid / Directory */
.links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(28px, 5vw, 40px);
}
@media (min-width: 640px) { .links-grid { grid-template-columns: 1fr 1fr; } }

.link-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: var(--transition);
  text-decoration: none !important;
}

.link-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }

.link-card h3 {
  margin: 0 0 10px 0;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
}

.link-card p { margin: 0; font-size: 0.9rem; color: var(--ink-2); }

/* Root App Cards */
.app-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 40px) clamp(20px, 4vw, 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
  text-decoration: none !important;
}

.app-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }

.app-card-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}

.app-card-name { font-size: clamp(1.3rem, 1.1rem + 1vw, 1.6rem); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 12px; }
.app-card-desc { font-size: 1rem; color: var(--ink-2); margin-bottom: 24px; flex-grow: 1; line-height: 1.6; }
.app-card-links { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.app-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 16px;
  background: var(--surface);
  border-radius: 100px;
  color: var(--ink);
  transition: var(--transition);
  border: 1px solid var(--line-strong);
}
.app-card-link:hover { background: var(--ink); color: #ffffff; border-color: var(--ink); text-decoration: none; }

/* Forms */
.form-group { margin-bottom: 24px; }
.form-label { display: block; font-size: 0.92rem; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.form-control {
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-control::placeholder { color: var(--muted); }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.form-control { resize: vertical; min-height: 140px; }

/* Footer */
footer {
  text-align: center;
  padding: clamp(32px, 6vw, 48px) clamp(20px, 4vw, 24px);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  border-top: 1px solid var(--line);
  background: var(--surface);
  margin-top: auto;
}

footer p { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-bottom: 0; font-size: 0.92rem; }

footer a { color: var(--muted); margin: 0 12px; transition: var(--transition); font-weight: 500; }
footer a:hover { color: var(--ink); }

.footer-logo { font-weight: 700; color: var(--ink); margin-bottom: 16px; font-size: 1.05rem; letter-spacing: -0.01em; }

@media (max-width: 480px) {
  footer p { gap: 4px; }
  footer a { margin: 0 8px; }
}