/*
Theme Name: SleepGuide Premium
Theme URI: https://sleepguide.toothvia.com
Description: Premium mattress guide theme
Author: SleepGuide
Version: 1.0
Template: twentytwentyfive
Text Domain: sleepguide
*/

:root {
  --sg-primary: #1a2b4a;
  --sg-primary-light: #2d4a7a;
  --sg-accent: #c9a96e;
  --sg-accent-light: #dfc89e;
  --sg-accent-hover: #b8944f;
  --sg-bg: #fafaf8;
  --sg-bg-warm: #f5f3ef;
  --sg-bg-card: #ffffff;
  --sg-text: #2c2c2c;
  --sg-text-light: #666666;
  --sg-text-muted: #999999;
  --sg-border: #e8e4dc;
  --sg-border-light: #f0ede8;
  --sg-shadow-sm: 0 1px 3px rgba(26,43,74,0.06);
  --sg-shadow-md: 0 4px 16px rgba(26,43,74,0.08);
  --sg-shadow-lg: 0 8px 32px rgba(26,43,74,0.12);
  --sg-radius-sm: 8px;
  --sg-radius-md: 12px;
  --sg-radius-lg: 16px;
  --sg-radius-xl: 24px;
  --sg-space-xs: 4px;
  --sg-space-sm: 8px;
  --sg-space-md: 16px;
  --sg-space-lg: 24px;
  --sg-space-xl: 32px;
  --sg-space-2xl: 48px;
  --sg-space-3xl: 64px;
  --sg-space-4xl: 96px;
  --sg-space-5xl: 128px;
  --sg-content-width: 780px;
  --sg-wide-width: 1200px;
  --sg-transition: 200ms ease;
}

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--sg-text);
  background: var(--sg-bg);
  line-height: 1.75;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* ===== HEADER ===== */
.sg-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sg-border-light);
  transition: box-shadow var(--sg-transition);
}
.sg-header.scrolled { box-shadow: var(--sg-shadow-sm); }
.sg-header-inner {
  max-width: var(--sg-wide-width);
  margin: 0 auto;
  padding: 0 var(--sg-space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.sg-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.sg-logo-icon {
  width: 36px; height: 36px;
  background: var(--sg-primary);
  border-radius: var(--sg-radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.sg-logo-icon svg { width: 22px; height: 22px; }
.sg-logo-text { font-size: 1.05rem; font-weight: 700; color: var(--sg-primary); letter-spacing: -0.02em; }

.sg-nav { display: flex; align-items: center; gap: var(--sg-space-xs); }
.sg-nav a {
  padding: 8px 14px;
  color: var(--sg-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--sg-radius-sm);
  transition: all var(--sg-transition);
}
.sg-nav a:hover { color: var(--sg-primary); background: var(--sg-bg-warm); }

.sg-menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
}
.sg-menu-toggle svg { width: 24px; height: 24px; color: var(--sg-primary); }

@media (max-width: 768px) {
  .sg-nav {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column;
    padding: var(--sg-space-md); gap: 0;
    border-bottom: 1px solid var(--sg-border);
    box-shadow: var(--sg-shadow-md);
    z-index: 99;
  }
  .sg-nav.open { display: flex; }
  .sg-nav a { width: 100%; padding: 14px 16px; font-size: 1rem; }
  .sg-menu-toggle { display: flex; }
}

/* ===== HERO ===== */
.sg-hero {
  position: relative;
  min-height: 520px;
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--sg-primary);
}
.sg-hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transition: transform 8s ease;
}
.sg-hero:hover .sg-hero-bg { transform: scale(1.03); }
.sg-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,43,74,0.85) 0%, rgba(26,43,74,0.55) 100%);
}
.sg-hero-content {
  position: relative; z-index: 2;
  max-width: var(--sg-wide-width);
  margin: 0 auto;
  padding: var(--sg-space-5xl) var(--sg-space-lg);
  color: #fff;
}
.sg-hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sg-accent-light);
  margin-bottom: var(--sg-space-md);
  padding: 6px 14px;
  border: 1px solid rgba(201,169,110,0.4);
  border-radius: 100px;
}
.sg-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: var(--sg-space-lg);
  max-width: 680px;
}
.sg-hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.88;
  max-width: 540px;
  margin-bottom: var(--sg-space-2xl);
}
.sg-hero-cta {
  display: inline-flex;
  align-items: center; gap: 8px;
  padding: 14px 32px;
  background: var(--sg-accent);
  color: var(--sg-primary);
  font-weight: 700;
  font-size: 0.95rem;
  border: none; border-radius: 100px;
  text-decoration: none;
  transition: all var(--sg-transition);
  cursor: pointer;
}
.sg-hero-cta:hover { background: var(--sg-accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,169,110,0.3); }

@media (max-width: 768px) {
  .sg-hero { min-height: 420px; }
  .sg-hero-content { padding: var(--sg-space-4xl) var(--sg-space-md); }
}

/* ===== SECTIONS ===== */
.sg-section {
  padding: var(--sg-space-5xl) var(--sg-space-lg);
  max-width: var(--sg-wide-width);
  margin: 0 auto;
}
.sg-section-header {
  text-align: center;
  margin-bottom: var(--sg-space-3xl);
}
.sg-section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--sg-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--sg-space-sm);
}
.sg-section-header p {
  color: var(--sg-text-light);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}
.sg-section-divider {
  width: 48px; height: 3px;
  background: var(--sg-accent);
  margin: var(--sg-space-md) auto 0;
  border-radius: 2px;
}

/* ===== CARDS GRID ===== */
.sg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sg-space-lg);
}
@media (max-width: 768px) { .sg-grid { grid-template-columns: 1fr; } }

.sg-card {
  background: var(--sg-bg-card);
  border-radius: var(--sg-radius-lg);
  overflow: hidden;
  border: 1px solid var(--sg-border-light);
  transition: all var(--sg-transition);
  text-decoration: none;
  color: inherit;
  display: block;
}
.sg-card:hover { box-shadow: var(--sg-shadow-lg); transform: translateY(-4px); border-color: var(--sg-border); }
.sg-card-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.sg-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.sg-card:hover .sg-card-img img { transform: scale(1.05); }
.sg-card-cat {
  position: absolute; top: 12px; left: 12px;
  background: rgba(26,43,74,0.85);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.sg-card-body { padding: var(--sg-space-lg); }
.sg-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sg-primary);
  margin-bottom: var(--sg-space-sm);
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.sg-card-body p {
  font-size: 0.9rem;
  color: var(--sg-text-light);
  line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.sg-card-footer {
  padding: 0 var(--sg-space-lg) var(--sg-space-lg);
  display: flex; align-items: center; justify-content: space-between;
}
.sg-card-link {
  font-size: 0.85rem;
  color: var(--sg-accent-hover);
  font-weight: 600;
  display: flex; align-items: center; gap: 4px;
}

/* ===== CAROUSEL ===== */
.sg-carousel {
  position: relative;
  padding: var(--sg-space-4xl) 0;
  background: var(--sg-bg-warm);
}
.sg-carousel-inner {
  max-width: var(--sg-wide-width);
  margin: 0 auto;
  padding: 0 var(--sg-space-lg);
}
.sg-carousel-track {
  display: flex; gap: var(--sg-space-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--sg-space-md);
}
.sg-carousel-track::-webkit-scrollbar { display: none; }
.sg-carousel-item {
  min-width: 300px;
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.sg-carousel-item .sg-card { height: 100%; }

/* ===== FEATURES ===== */
.sg-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sg-space-lg);
}
@media (max-width: 960px) { .sg-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .sg-features { grid-template-columns: 1fr; } }

.sg-feature {
  text-align: center;
  padding: var(--sg-space-2xl) var(--sg-space-lg);
  background: var(--sg-bg-card);
  border-radius: var(--sg-radius-lg);
  border: 1px solid var(--sg-border-light);
  transition: all var(--sg-transition);
}
.sg-feature:hover { box-shadow: var(--sg-shadow-md); border-color: var(--sg-accent-light); }
.sg-feature-icon {
  width: 56px; height: 56px;
  margin: 0 auto var(--sg-space-md);
  background: var(--sg-bg-warm);
  border-radius: var(--sg-radius-md);
  display: flex; align-items: center; justify-content: center;
}
.sg-feature-icon svg { width: 28px; height: 28px; color: var(--sg-accent-hover); }
.sg-feature h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--sg-primary);
  margin-bottom: var(--sg-space-sm);
}
.sg-feature p { font-size: 0.88rem; color: var(--sg-text-light); line-height: 1.6; }

/* ===== FOOTER ===== */
.sg-footer {
  background: var(--sg-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--sg-space-3xl) var(--sg-space-lg) var(--sg-space-2xl);
}
.sg-footer-inner {
  max-width: var(--sg-wide-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sg-space-2xl);
}
@media (max-width: 768px) { .sg-footer-inner { grid-template-columns: 1fr; gap: var(--sg-space-xl); } }

.sg-footer-brand h3 { color: #fff; font-size: 1.1rem; font-weight: 700; margin-bottom: var(--sg-space-sm); }
.sg-footer-brand p { font-size: 0.88rem; line-height: 1.7; }
.sg-footer-links h4 { color: rgba(255,255,255,0.9); font-size: 0.85rem; font-weight: 600; margin-bottom: var(--sg-space-md); text-transform: uppercase; letter-spacing: 0.06em; }
.sg-footer-links a { display: block; color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.88rem; padding: 4px 0; transition: color var(--sg-transition); }
.sg-footer-links a:hover { color: var(--sg-accent-light); }

.sg-footer-bottom {
  max-width: var(--sg-wide-width);
  margin: var(--sg-space-2xl) auto 0;
  padding-top: var(--sg-space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--sg-space-md);
}
.sg-footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.sg-footer-legal { font-size: 0.78rem; color: rgba(255,255,255,0.4); line-height: 1.6; max-width: var(--sg-wide-width); margin: var(--sg-space-md) auto 0; padding: 0 var(--sg-space-lg); }
.sg-footer-legal p { margin-bottom: 4px; }

/* ===== SINGLE POST ===== */
.sg-single { max-width: var(--sg-content-width); margin: 0 auto; padding: var(--sg-space-3xl) var(--sg-space-lg) var(--sg-space-5xl); }
.sg-single-header { margin-bottom: var(--sg-space-2xl); }
.sg-single-cat { display: inline-block; font-size: 0.78rem; font-weight: 600; color: var(--sg-accent-hover); background: rgba(201,169,110,0.12); padding: 4px 12px; border-radius: 100px; margin-bottom: var(--sg-space-md); }
.sg-single h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; color: var(--sg-primary); line-height: 1.3; letter-spacing: -0.02em; margin-bottom: var(--sg-space-sm); }
.sg-single-meta { font-size: 0.85rem; color: var(--sg-text-muted); }
.sg-single-featured { margin-bottom: var(--sg-space-2xl); border-radius: var(--sg-radius-lg); overflow: hidden; }
.sg-single-featured img { width: 100%; height: auto; display: block; }

.sg-single-content { font-size: 1.05rem; line-height: 1.8; color: var(--sg-text); }
.sg-single-content h2 { font-size: 1.45rem; font-weight: 800; color: var(--sg-primary); margin: var(--sg-space-2xl) 0 var(--sg-space-md); padding-bottom: var(--sg-space-sm); border-bottom: 2px solid var(--sg-accent); letter-spacing: -0.01em; }
.sg-single-content h3 { font-size: 1.15rem; font-weight: 700; color: var(--sg-primary-light); margin: var(--sg-space-xl) 0 var(--sg-space-sm); }
.sg-single-content p { margin-bottom: var(--sg-space-md); }
.sg-single-content img { max-width: 100%; height: auto; border-radius: var(--sg-radius-md); margin: var(--sg-space-lg) 0; display: block; }
.sg-single-content ul, .sg-single-content ol { margin: var(--sg-space-md) 0; padding-left: var(--sg-space-xl); }
.sg-single-content li { margin-bottom: var(--sg-space-xs); }
.sg-single-content blockquote { margin: var(--sg-space-xl) 0; padding: var(--sg-space-lg) var(--sg-space-xl); background: var(--sg-bg-warm); border-left: 4px solid var(--sg-accent); border-radius: 0 var(--sg-radius-sm) var(--sg-radius-sm) 0; font-style: italic; color: var(--sg-text-light); }
.sg-single-content table { width: 100%; border-collapse: collapse; margin: var(--sg-space-lg) 0; font-size: 0.92rem; background: var(--sg-bg-card); border-radius: var(--sg-radius-md); overflow: hidden; border: 1px solid var(--sg-border); }
.sg-single-content th { background: var(--sg-primary); color: #fff; font-weight: 600; text-align: left; padding: 12px 16px; font-size: 0.85rem; }
.sg-single-content td { padding: 12px 16px; border-bottom: 1px solid var(--sg-border-light); }
.sg-single-content tr:last-child td { border-bottom: none; }
.sg-single-content tr:hover td { background: var(--sg-bg-warm); }
.sg-single-content .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: var(--sg-space-lg) 0; }

.sg-callout { background: var(--sg-bg-warm); border: 1px solid var(--sg-border); border-radius: var(--sg-radius-md); padding: var(--sg-space-lg); margin: var(--sg-space-xl) 0; }
.sg-callout-title { font-weight: 700; color: var(--sg-primary); margin-bottom: var(--sg-space-sm); font-size: 0.95rem; }
.sg-callout p { margin-bottom: var(--sg-space-xs); }

.sg-related { margin-top: var(--sg-space-3xl); padding-top: var(--sg-space-2xl); border-top: 1px solid var(--sg-border); }
.sg-related h2 { font-size: 1.2rem; font-weight: 700; color: var(--sg-primary); margin-bottom: var(--sg-space-lg); }
.sg-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--sg-space-md); }

/* ===== PAGE ===== */
.sg-page { max-width: var(--sg-content-width); margin: 0 auto; padding: var(--sg-space-3xl) var(--sg-space-lg) var(--sg-space-5xl); }
.sg-page h1 { font-size: 1.8rem; font-weight: 800; color: var(--sg-primary); margin-bottom: var(--sg-space-2xl); letter-spacing: -0.02em; }
.sg-page-content { font-size: 0.95rem; line-height: 1.8; color: var(--sg-text); }
.sg-page-content h2 { font-size: 1.25rem; font-weight: 700; color: var(--sg-primary); margin: var(--sg-space-xl) 0 var(--sg-space-md); }
.sg-page-content h3 { font-size: 1.05rem; font-weight: 600; margin: var(--sg-space-lg) 0 var(--sg-space-sm); }
.sg-page-content p { margin-bottom: var(--sg-space-md); }
.sg-page-content ul, .sg-page-content ol { margin: var(--sg-space-md) 0; padding-left: var(--sg-space-xl); }
.sg-page-content li { margin-bottom: var(--sg-space-xs); }

/* ===== SCROLL ANIMATION ===== */
.sg-fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.sg-fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== ARCHIVE / CATEGORY ===== */
.sg-archive { max-width: var(--sg-wide-width); margin: 0 auto; padding: var(--sg-space-3xl) var(--sg-space-lg) var(--sg-space-5xl); }
.sg-archive h1 { font-size: 1.6rem; font-weight: 800; color: var(--sg-primary); margin-bottom: var(--sg-space-2xl); }

/* ===== WP OVERRIDES ===== */
.wp-site-blocks, .wp-block-group { max-width: 100% !important; padding: 0 !important; margin: 0 !important; }
body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)) { max-width: 100% !important; }
.wp-block-post-content { max-width: var(--sg-content-width); margin: 0 auto; padding: 0 var(--sg-space-lg); }

/* Remove WP emoji */
img.wp-smiley, img.emoji { display: inline !important; border: none !important; box-shadow: none !important; height: 1em !important; width: 1em !important; margin: 0 0.07em !important; vertical-align: -0.1em !important; background: none !important; padding: 0 !important; }

/* ===== BAR CHART (inline) ===== */
.sg-bar-chart { margin: var(--sg-space-lg) 0; }
.sg-bar-item { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.sg-bar-label { min-width: 100px; font-size: 0.88rem; font-weight: 600; color: var(--sg-text); text-align: right; }
.sg-bar-track { flex: 1; height: 28px; background: var(--sg-bg-warm); border-radius: 14px; overflow: hidden; }
.sg-bar-fill { height: 100%; background: linear-gradient(90deg, var(--sg-primary), var(--sg-primary-light)); border-radius: 14px; display: flex; align-items: center; justify-content: flex-end; padding-right: 12px; font-size: 0.78rem; font-weight: 600; color: #fff; min-width: 40px; transition: width 0.8s ease; }
.sg-bar-fill.accent { background: linear-gradient(90deg, var(--sg-accent-hover), var(--sg-accent)); }
@media (max-width: 520px) { .sg-bar-label { min-width: 72px; font-size: 0.8rem; } }

/* Legal notices */
.legal-notice, .ai-notice { max-width: var(--sg-content-width); margin-left: auto; margin-right: auto; }

/* TOC */
.sg-toc { background: var(--sg-bg-warm); border: 1px solid var(--sg-border); border-radius: var(--sg-radius-md); padding: var(--sg-space-lg); margin-bottom: var(--sg-space-2xl); }
.sg-toc-title { font-weight: 700; font-size: 0.95rem; color: var(--sg-primary); margin-bottom: var(--sg-space-sm); }
.sg-toc ol { padding-left: var(--sg-space-lg); margin: 0; }
.sg-toc li { padding: 4px 0; }
.sg-toc a { color: var(--sg-text-light); text-decoration: none; font-size: 0.9rem; transition: color var(--sg-transition); }
.sg-toc a:hover { color: var(--sg-accent-hover); }