/* Foliante — Shared stylesheet for landing pages */
/* Vanilla CSS only. No external frameworks. */

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

:root {
  --color-bg: #0a0a0f;
  --color-bg-card: #12121a;
  --color-accent: #c9a84c;
  --color-accent-hover: #dfc06a;
  --color-text: #f0eff4;
  --color-text-muted: #9e9db0;
  --color-border: #2a2a3a;
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 800px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  --radius: 0.5rem;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-system);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

section {
  padding: var(--spacing-lg) 0;
}

/* ===== Language Switcher ===== */
.lang-switcher {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: 0.875rem;
}

.lang-switcher a {
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.lang-switcher a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* ===== Header / Hero ===== */
.hero {
  position: relative;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--spacing-sm);
}

.hero h1 em {
  color: var(--color-accent);
  font-style: normal;
}

.hero .subtitle {
  font-size: clamp(0.9rem, 2.5vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.btn-primary {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-bg);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-bg);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ===== Hooks Section ===== */
.hooks {
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.hooks h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.hooks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-sm);
}

.hook-item {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
}

.hook-item .hook-icon {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-xs);
  display: block;
}

.hook-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-accent);
}

.hook-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== Waitlist Section ===== */
.waitlist-section {
  text-align: center;
}

.waitlist-section h2 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.waitlist-section .section-intro {
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto var(--spacing-md);
}

.embed-container {
  max-width: 480px;
  margin: 0 auto var(--spacing-sm);
}

.embed-fallback {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.embed-fallback.hidden {
  display: none;
}

.waitlist-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* ===== Survey Section ===== */
.survey-section {
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.survey-section h2 {
  font-size: clamp(1.2rem, 3vw, 1.75rem);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.survey-section .section-intro {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto var(--spacing-md);
}

.btn-secondary {
  display: inline-block;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.75rem;
  border-radius: var(--radius);
  transition: background-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xs) var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer .copyright {
  margin-top: var(--spacing-xs);
}

/* ===== Legal pages ===== */
.legal-page {
  padding: var(--spacing-lg) 0;
}

.legal-page h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.legal-page .updated-date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.legal-page h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--color-border);
}

.legal-page p,
.legal-page li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.legal-page ul {
  list-style: disc;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-page .notice-box {
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-sm);
  border-radius: var(--radius);
  margin: var(--spacing-sm) 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .lang-switcher {
    position: static;
    text-align: right;
    padding: var(--spacing-sm) var(--spacing-sm) 0;
  }

  .hero {
    padding-top: var(--spacing-md);
  }

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