/* ═════════════════════════════════════════════════════════════════════════
   DaysTree Unified Website Shared Styles (Header, Nav, Drawer, Trust Footer)
   — Applied across Landing, About, Guides, Notices, FAQ, Contact, Policy
   — 100% Synchronized Theme Tokens, Typography, and Minimalist Micro-interactions
   ═════════════════════════════════════════════════════════════════════════ */

:root {
  --canvas-parchment: #FAF6F0;
  --canvas-white: #FFFFFF;
  --surface-card: #FFFFFF;
  --surface-card-subtle: rgba(141, 112, 83, 0.06);
  --ink: #2C241E;
  --ink-muted: #7A6E63;
  --primary: #8D7053;
  --primary-soft: rgba(141, 112, 83, 0.12);
  --hairline: rgba(141, 112, 83, 0.16);
  --header-bg: rgba(250, 246, 240, 0.92);
  --logo-text: #7A6048;
  --shadow-subtle: 0 4px 20px rgba(44, 36, 30, 0.04);
}

[data-theme="dark"] {
  --canvas-parchment: #13100E;
  --canvas-white: #1C1714;
  --surface-card: #1C1714;
  --surface-card-subtle: rgba(205, 179, 151, 0.08);
  --ink: #F7F3EE;
  --ink-muted: #B2A598;
  --primary: #CDB397;
  --primary-soft: rgba(205, 179, 151, 0.15);
  --hairline: rgba(205, 179, 151, 0.18);
  --header-bg: rgba(19, 16, 14, 0.92);
  --logo-text: #D8C2A8;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* ── Base Body Offset & Theme Canvas for Fixed Header ── */
html, body {
  background-color: var(--canvas-parchment) !important;
  color: var(--ink);
}
body {
  padding-top: 68px !important;
  min-height: 100vh;
}

/* ── Unified Article & Content Cards Dark Mode Adaptation ── */
article.content-card {
  background: var(--surface-card) !important;
  border: 1px solid var(--hairline) !important;
  color: var(--ink) !important;
}

article.content-card p {
  color: var(--ink) !important;
}

article.content-card h1,
article.content-card h2,
article.content-card h3 {
  color: var(--ink) !important;
}

article.content-card h2 {
  border-bottom-color: var(--hairline) !important;
}

article.content-card blockquote,
blockquote {
  background: var(--surface-card-subtle) !important;
  border-left: 3px solid var(--primary) !important;
  color: var(--ink) !important;
}

article.content-card .tip-box,
.tip-box {
  background: var(--surface-card-subtle) !important;
  border: 1px solid var(--hairline) !important;
  color: var(--ink) !important;
}

article.content-card .tip-box strong,
article.content-card p strong,
blockquote strong {
  color: var(--ink) !important;
}

[data-theme="dark"] .badge {
  background: rgba(82, 183, 136, 0.16) !important;
  color: #74C69D !important;
}

/* ── 1. Glassmorphism Navigation Header (Fixed to Viewport Top) ── */
.dt-landing-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 99999 !important;
  background: var(--header-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 4px 20px rgba(44, 36, 30, 0.05);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="dark"] .dt-landing-header {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.55);
}

.dt-header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Brand Logo */
.dt-header-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  flex-shrink: 0;
}

.dt-logo-light { display: block; }
.dt-logo-dark { display: none; }
[data-theme="dark"] .dt-logo-light { display: none; }
[data-theme="dark"] .dt-logo-dark { display: block; }

.dt-animated-logo {
  border-radius: 8px;
  object-fit: contain;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dt-header-brand:hover .dt-animated-logo {
  transform: rotate(-6deg) scale(1.08);
}

.brand-wordmark {
  font-family: 'Caveat', 'Nanum Pen Script', cursive, sans-serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--logo-text);
  letter-spacing: -0.2px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.brand-beta-text {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--logo-text);
  margin-left: 2px;
  align-self: flex-start;
  margin-top: 3px;
  line-height: 1;
  opacity: 0.85;
  user-select: none;
}

/* Nav Menu (Desktop) */
.dt-header-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

@media (max-width: 820px) {
  .dt-header-menu { display: none; }
}

.dt-menu-link {
  position: relative;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 6px 4px;
  transition: color 0.2s ease;
}

.dt-menu-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateX(-50%);
}

.dt-menu-link:hover,
.dt-menu-link.active {
  color: var(--primary);
}

.dt-menu-link:hover::after,
.dt-menu-link.active::after {
  width: 100%;
}

/* Actions Right */
.dt-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dt-theme-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
}

.dt-theme-btn:hover {
  background: var(--primary-soft);
}

.dt-theme-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  display: block;
}

.dt-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #FFFFFF !important;
  text-decoration: none;
  border: none;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(141, 112, 83, 0.25);
  white-space: nowrap;
}

[data-theme="dark"] .dt-header-cta {
  color: #13100E !important;
}

.dt-header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(141, 112, 83, 0.35);
}

/* Hamburger button (Mobile) */
.dt-hamburger-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dt-hamburger-btn:hover {
  background: var(--primary-soft);
}

@media (max-width: 820px) {
  .dt-hamburger-btn {
    display: inline-flex;
  }
}

@media (max-width: 480px) {
  .dt-header-inner {
    padding: 10px 14px;
    gap: 8px;
  }
  .brand-wordmark {
    font-size: 22px;
  }
  .dt-header-cta {
    padding: 7px 13px;
    font-size: 13px;
  }
  .dt-header-cta svg {
    display: none;
  }
  .dt-theme-btn, .dt-hamburger-btn {
    width: 34px;
    height: 34px;
  }
}

/* ── Mobile Navigation Drawer ── */
.dt-mobile-drawer {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--header-bg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 12px 36px rgba(44, 36, 30, 0.12);
  padding: 18px 20px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 99998;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

@media (max-width: 480px) {
  .dt-mobile-drawer {
    top: 56px;
  }
}

.dt-mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.dt-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dt-drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  background: var(--primary-soft);
  transition: all 0.2s ease;
}

.dt-drawer-link.active,
.dt-drawer-link:hover {
  background: var(--primary);
  color: #FFFFFF;
}

.dt-drawer-sublinks {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
}

.dt-drawer-sublink {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 600;
}

.dt-drawer-sublink:hover {
  color: var(--primary);
}

/* ── 2. Unified Trust Footer ── */
.dt-landing-footer {
  background: var(--canvas-white);
  border-top: 1px solid var(--hairline);
  padding: 60px 24px 40px 24px;
  margin-top: auto;
  box-shadow: 0 -8px 24px -10px rgba(44, 36, 30, 0.04);
}

.dt-footer-container {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.dt-footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 36px;
}

.dt-footer-brand {
  max-width: 320px;
}

.dt-footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Caveat', cursive, serif;
  font-size: 26px;
  color: var(--ink);
}

.dt-footer-logo-row b {
  color: var(--primary);
}

.dt-footer-brand p {
  font-size: 13.5px;
  color: var(--ink-muted);
  margin-top: 8px;
  line-height: 1.6;
}

.dt-footer-links-group {
  display: flex;
  gap: 50px;
  flex-wrap: wrap;
}

.dt-links-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dt-links-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: 0.6px;
  margin: 0 0 4px 0;
}

.dt-links-col a {
  font-size: 13.5px;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.dt-links-col a:hover {
  color: var(--primary);
}

.dt-footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: var(--ink-muted);
}

.dt-footer-bottom p {
  margin: 0;
}