/* Aubrise · warm cream + coral design system
 * Aligned with in-app visual: NotoSerif headings, warm charcoal body, coral accents
 */

:root {
  --cream-bg: #FEF3E8;
  --cream-card: #FFFFFF;
  --cream-border: #F0E4D4;
  --coral-primary: #EC6D4C;
  --coral-hover: #D55A3B;
  --coral-tint: rgba(236, 109, 76, 0.12);
  --heart-red: #E14F36;
  --text-primary: #2D2520;
  --text-muted: #7A6F66;
  --text-subtle: #A89E92;
  --sage: #8AA68F;
  --max-width: 720px;
  --radius: 14px;
  --shadow-card: 0 2px 12px rgba(45, 37, 32, 0.06);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--cream-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ====== Typography ====== */

h1, h2, h3, h4 {
  font-family: "Noto Serif SC", "Noto Serif", "Songti SC", Georgia, serif;
  color: var(--text-primary);
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: 32px; margin-bottom: 16px; }
h2 { font-size: 24px; margin: 36px 0 14px; }
h3 { font-size: 19px; margin: 28px 0 10px; }
h4 { font-size: 17px; margin: 22px 0 8px; }

p {
  margin: 12px 0;
  color: var(--text-primary);
}

a {
  color: var(--coral-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

a:hover {
  border-bottom-color: var(--coral-primary);
}

strong {
  font-weight: 600;
  color: var(--text-primary);
}

em {
  font-style: italic;
  color: var(--text-muted);
}

code {
  font-family: "SF Mono", Menlo, Monaco, Consolas, monospace;
  background: var(--cream-border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

hr {
  border: none;
  border-top: 1px solid var(--cream-border);
  margin: 32px 0;
}

ul, ol {
  margin: 12px 0 12px 28px;
}

li {
  margin: 6px 0;
}

blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--coral-primary);
  background: var(--coral-tint);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-muted);
  font-size: 15px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--cream-border);
}

th {
  font-weight: 600;
  background: var(--cream-border);
  color: var(--text-primary);
}

/* ====== Layout ====== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--cream-border);
  background: var(--cream-bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  background: rgba(254, 243, 232, 0.92);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0;
  padding-bottom: 0;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Noto Serif SC", "Noto Serif", Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: none;
}

.site-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
}

.site-nav a {
  color: var(--text-muted);
  border-bottom: none;
}

.site-nav a:hover {
  color: var(--coral-primary);
}

.page-main {
  padding: 48px 0 96px;
}

.site-footer {
  border-top: 1px solid var(--cream-border);
  padding: 32px 0 48px;
  margin-top: 64px;
  color: var(--text-subtle);
  font-size: 14px;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.site-footer a {
  color: var(--text-muted);
  border-bottom: none;
}

.site-footer a:hover {
  color: var(--coral-primary);
}

.footer-legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* ====== Landing-specific ====== */

.hero {
  text-align: center;
  padding: 80px 0 60px;
}

.hero .icon-hero {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  box-shadow: 0 8px 32px rgba(236, 109, 76, 0.2);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 44px;
  margin-bottom: 14px;
}

.hero .tagline {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.btn-primary,
.btn-outline {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.15s ease;
  border-bottom: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--coral-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--coral-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(236, 109, 76, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--coral-primary);
  border: 1.5px solid var(--coral-primary);
  margin-left: 8px;
}

.btn-outline:hover {
  background: var(--coral-tint);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 60px 0 40px;
}

.feature-card {
  background: var(--cream-card);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--cream-border);
}

.feature-card h3 {
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.feature-icon {
  display: block;
  margin-bottom: 14px;
}

.principle-block {
  background: var(--cream-card);
  border-radius: var(--radius);
  padding: 32px 28px;
  margin: 48px 0;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--cream-border);
}

.principle-block h2 {
  margin-top: 0;
}

.contact-block {
  text-align: center;
  padding: 60px 0 40px;
  border-top: 1px solid var(--cream-border);
  margin-top: 48px;
}

.contact-block h2 {
  margin-top: 0;
}

/* ====== Content pages (privacy / terms / support) ====== */

.doc-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.doc-page h1 {
  font-size: 36px;
  margin-top: 20px;
}

.doc-meta {
  color: var(--text-subtle);
  font-size: 14px;
  margin: 14px 0 32px;
}

/* ====== Responsive ====== */

@media (max-width: 640px) {
  h1 { font-size: 28px; }
  .hero h1 { font-size: 32px; }
  .hero .tagline { font-size: 16px; }
  .hero { padding: 60px 0 40px; }
  .hero .icon-hero { width: 96px; height: 96px; border-radius: 22px; }
  .features { grid-template-columns: 1fr; gap: 14px; }
  .page-main { padding: 32px 0 60px; }
  .site-nav { gap: 14px; font-size: 14px; }
  .site-footer .container { flex-direction: column; }
  table { font-size: 14px; }
  th, td { padding: 8px 10px; }
}

@media (max-width: 420px) {
  .site-logo span { display: none; }
  .btn-outline { margin-left: 0; margin-top: 10px; }
}