/* Echolume marketing site — matches IAMJARL design tokens v0.1.3 (dark mode) */
:root {
  --bg: #000000;
  --bg-card: rgba(255, 255, 255, 0.05);
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.75);
  --text-tertiary: rgba(255, 255, 255, 0.60);
  --accent: #d0ff00;
  --accent-dim: rgba(208, 255, 0, 0.85);
  --border: rgba(255, 255, 255, 0.12);
  --radius: 12px;
  --font: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.logo:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

/* Hero */
.hero {
  max-width: 42rem;
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  text-align: center;
}

.hero-tagline {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  color: var(--text-muted);
  margin: 0 0 2rem;
  font-size: 1.1rem;
}

.hero-more {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.hero-more a {
  color: var(--text-muted);
}

.hero-more a:hover {
  color: var(--accent);
}

.cta {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
}

.cta:hover {
  background: var(--accent-dim);
  text-decoration: none;
  transform: translateY(-1px);
}

/* Features */
.features {
  max-width: 56rem;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 2rem;
  text-align: center;
  color: var(--text-muted);
}

.feature-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-accent {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Download */
.download {
  max-width: 36rem;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

.download-desc {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

.cta-store {
  margin-bottom: 1rem;
}

.download-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0.25rem 0;
}

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

/* Subpages: Privacy, Support */
.page-main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.legal h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.legal-updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
}

.legal section {
  margin-bottom: 2rem;
}

.legal h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.legal p,
.legal li {
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}

.legal-intro {
  color: var(--text-muted);
  margin: 0 0 2rem;
}

.legal ul,
.legal ol {
  padding-left: 1.5rem;
  margin: 0 0 1rem;
}

.faq {
  margin: 0;
}

.faq dt {
  font-weight: 600;
  color: var(--text);
  margin: 1.25rem 0 0.35rem;
}

.faq dt:first-child {
  margin-top: 0;
}

.faq dd {
  margin: 0 0 0 1rem;
  color: var(--text-muted);
}