/* ==========================================================================
   Colorone Cosmetic – Landing page styles
   Design source: colorone.pen
   ========================================================================== */

:root {
  --bg-white: #ffffff;
  --bg-light: #f7f4f0;
  --dark: #1f1f1f;
  --footer-dark: #111827;
  --footer-divider: #374151;
  --footer-text: #d1d5db;
  --footer-muted: #9ca3af;
  --footer-copy: #6b7280;
  --body: #4b5563;
  --muted: #9ca3af;
  --border: #e5e7eb;
  --accent: #c77b7e;
  --accent-hover: #b56a6d;
  --accent-light: #f5e6e6;

  --font-serif: "Playfair Display", "Noto Serif KR", Georgia, serif;
  --font-sans: "Inter", "Pretendard", "Noto Sans KR", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(31, 31, 31, 0.08);

  --container: 1200px;
}

/* Reset */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--dark);
  line-height: 1.2;
  margin: 0;
  font-weight: 700;
}

p { margin: 0; }
ul { list-style: none; padding: 0; margin: 0; }

/* Skip link for a11y */
.skip-link {
  position: absolute; top: -40px; left: 0;
  background: var(--dark); color: #fff;
  padding: 8px 16px; z-index: 999;
}
.skip-link:focus { top: 0; }

/* Layout helpers */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== Header / Nav ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand { display: flex; flex-direction: column; gap: 2px; line-height: 1; }
.brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
}
.brand-sub {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 40px;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { color: var(--body); transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus { color: var(--accent); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--dark);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 2px; background: var(--dark);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top: 7px;  }

/* ===================== Hero ===================== */
.hero {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  background: #1f1f1f url("../../images/generated-1777512834139.png") center/cover no-repeat;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.4) 60%, rgba(0,0,0,.6) 100%);
  z-index: -1;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 120px 24px;
  max-width: 800px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 4px;
  font-weight: 600;
  text-transform: uppercase;
  opacity: 0.85;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.15;
  color: #fff;
}

.hero-subtitle {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.6;
  opacity: 0.85;
  max-width: 600px;
}

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 40px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 16px;
  transition: background-color .2s ease, transform .15s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ===================== Section base ===================== */
.section {
  padding: 100px 0;
}
.section-light  { background: var(--bg-light); }
.section-white  { background: var(--bg-white); }

.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  margin-bottom: 60px;
}
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
}
.section-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  max-width: 700px;
}

/* ===================== About ===================== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-pill);
  background: var(--accent-light);
  color: var(--accent);
  display: inline-flex;
  align-items: center; justify-content: center;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-title {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}
.feature-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

/* ===================== Products ===================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.product-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #eee;
  overflow: hidden;
}
.product-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.product-card:hover .product-media img { transform: scale(1.05); }

.product-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-cat {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
}
.product-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
}
.product-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

/* ===================== FAQ ===================== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: 0; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  width: 12px; height: 12px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .25s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-answer {
  font-size: 15px;
  line-height: 1.7;
  color: var(--body);
  padding: 0 0 28px;
  max-width: 90%;
}

/* ===================== Footer ===================== */
.site-footer {
  background: var(--footer-dark);
  color: var(--footer-text);
  padding: 60px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 360px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}
.footer-tagline {
  font-size: 14px;
  line-height: 1.7;
  color: var(--footer-muted);
}
.footer-col h2 {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--footer-muted);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a:hover { color: #fff; }

.footer-divider {
  height: 1px;
  background: var(--footer-divider);
  border: 0;
  margin-bottom: 24px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
  color: var(--footer-copy);
}
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  color: var(--footer-muted);
  transition: color .2s, background-color .2s;
}
.footer-social a:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}
.footer-social svg { width: 18px; height: 18px; }

/* ===================== Responsive ===================== */
@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .section-header { margin-bottom: 40px; }

  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    row-gap: 32px;
  }
  .footer-brand { grid-column: 1 / -1; max-width: none; }
}

@media (max-width: 720px) {
  .nav { padding: 14px 0; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 4px 0;
    box-shadow: var(--shadow-md);
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    width: 100%;
    padding: 20px 24px;
    font-size: 16px;
    line-height: 1.4;
    min-height: 56px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links li:last-child a { border-bottom: 0; }
  .nav-links a:active { background: var(--bg-light); }

  .hero { min-height: 560px; }
  .hero-inner { padding: 96px 20px; gap: 18px; }

  .about-grid { grid-template-columns: 1fr; gap: 16px; }
  .product-grid { grid-template-columns: 1fr; gap: 16px; }
  .product-body { padding: 20px; }

  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 420px) {
  .container { padding: 0 18px; }
  .section { padding: 56px 0; }
  .btn { padding: 14px 28px; font-size: 15px; }
  .faq-item summary { padding: 22px 0; font-size: 16px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Catalog & Product detail pages
   ========================================================================== */

/* Page hero (small) */
.page-hero {
  padding: 80px 0 40px;
  background: var(--bg-light);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 12px;
}
.page-hero p { max-width: 640px; margin: 0 auto; }

/* Breadcrumb */
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  padding: 16px 0;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current="page"] { color: var(--dark); }
.breadcrumb-sep { margin: 0 8px; }

/* Catalog filters */
.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-white);
  font-size: 13px;
  color: var(--body);
  transition: all .2s;
}
.chip:hover, .chip[aria-current="true"] {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}

/* Product detail */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  padding: 40px 0 80px;
}
.product-gallery {
  position: sticky;
  top: 88px;
  align-self: start;
}
.product-gallery img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-light);
}
.product-meta-cat {
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.product-meta-name {
  font-family: var(--font-serif);
  font-size: 32px;
  margin-bottom: 12px;
  line-height: 1.2;
}
.product-meta-sku {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}
.product-meta-summary {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
}

/* Spec table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}
.spec-table th,
.spec-table td {
  padding: 14px 0;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}
.spec-table th {
  width: 36%;
  color: var(--muted);
  font-weight: 500;
}
.spec-table td { color: var(--dark); }
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: 0; }

/* Inquiry CTA */
.inquiry-box {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.inquiry-box p { font-weight: 600; color: var(--dark); }

/* Related products */
.related {
  padding: 60px 0 100px;
  background: var(--bg-light);
}
.related h2 {
  font-size: 24px;
  margin-bottom: 24px;
}

/* Monthly highlight banner */
.month-banner {
  background: var(--dark);
  color: #fff;
  padding: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}
.month-banner h2 {
  color: #fff;
  font-family: var(--font-serif);
  font-size: 24px;
  margin-bottom: 4px;
}
.month-banner p { color: #d1d5db; font-size: 14px; }
.month-banner .badge {
  background: var(--accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
}

@media (max-width: 720px) {
  .product-detail { grid-template-columns: 1fr; gap: 32px; padding: 24px 0 60px; }
  .product-gallery { position: static; }
  .product-meta-name { font-size: 26px; }
  .month-banner { flex-direction: column; align-items: flex-start; padding: 24px; }
}

/* ==========================================================================
   Contact section (channel cards)
   ========================================================================== */
.contact-channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.channel-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 36px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--dark);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.channel-card:hover,
.channel-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
  outline: none;
}
.channel-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.channel-icon svg { width: 26px; height: 26px; }
.channel-icon--kakao { background: #FEE500; color: #3C1E1E; }
.channel-icon--phone { background: var(--accent-light); color: var(--accent); }
.channel-icon--mail  { background: #E0F2FE; color: #0284C7; }
.channel-label {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
}
.channel-value {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2px;
}
.channel-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.contact-info-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  padding: 24px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--body);
  text-align: center;
}
.contact-info-bar .contact-info-label {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  margin-right: 6px;
}
.contact-info-bar em {
  font-style: normal;
  color: var(--muted);
}

@media (max-width: 720px) {
  .contact-channels { grid-template-columns: 1fr; gap: 12px; }
  .channel-card { padding: 28px 20px; }
  .channel-value { font-size: 20px; }
  .contact-info-bar {
    flex-direction: column;
    gap: 12px;
    text-align: left;
    padding: 20px;
  }
}