/* ============================================================
   bedsheet.guru — India's Bedsheet Knowledge Hub
   Design System & Styles
   An initiative by Emm Emm Velvet (Est. 1995)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-primary: #1A365D;
  --color-primary-dark: #0F2440;
  --color-primary-light: #2A5298;
  --color-primary-muted: #1A365D15;
  
  --color-accent: #3B82F6;
  --color-accent-light: #60A5FA;
  --color-accent-dark: #2563EB;
  
  --color-gold: #C29B38;
  --color-gold-light: #DFCA9B;
  
  --color-warm: #F8F6F2;
  --color-warm-dark: #F0ECE4;
  --color-white: #FFFFFF;
  
  --color-dark: #0C0F14;
  --color-dark-soft: #151B26;
  --color-dark-muted: #1E2636;
  
  --color-text: #1A1D23;
  --color-text-secondary: #4A5568;
  --color-text-muted: #8B92A0;
  --color-text-on-dark: #F7F8FA;
  --color-text-light: #CBD5E0;
  
  --color-border: #E2E8F0;
  --color-border-dark: #2D3748;
  
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --space-xs: 0.25rem; --space-sm: 0.5rem; --space-md: 1rem;
  --space-lg: 1.5rem; --space-xl: 2rem; --space-2xl: 3rem;
  --space-3xl: 4rem; --space-4xl: 6rem; --space-5xl: 8rem;
  
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px;
  --radius-xl: 16px; --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1200px;
  --header-height: 72px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--color-primary); color: var(--color-white); }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.2; }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p { color: var(--color-text-secondary); line-height: 1.8; max-width: 65ch; }

.label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ---------- Top Bar ---------- */
.top-bar {
  background: var(--color-dark);
  color: var(--color-text-light);
  padding: 0.5rem var(--space-lg);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.top-bar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-bar__left { display: flex; align-items: center; gap: var(--space-sm); }
.top-bar__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }
.top-bar__right a { color: var(--color-accent-light); font-weight: 500; }
.top-bar__right a:hover { color: var(--color-white); }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  height: var(--header-height);
}

.header__brand { display: flex; flex-direction: column; flex-shrink: 0; white-space: nowrap; }

.header__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.header__brand:hover .header__logo { color: var(--color-accent); }

.header__tagline {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-text-muted);
  margin-top: -2px;
}

.nav { display: none; }
.nav__list { display: flex; align-items: center; gap: clamp(0.75rem, 1.3vw, var(--space-xl)); white-space: nowrap; }

.nav__link {
  font-size: clamp(0.75rem, 0.85vw, 0.8125rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover, .nav__link--active { color: var(--color-accent); }
.nav__link:hover::after, .nav__link--active::after { width: 100%; }

.header__cta { display: none; flex-shrink: 0; white-space: nowrap; }

.header__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header__cta-btn:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}

.menu-toggle svg { width: 24px; height: 24px; }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}

.mobile-nav.is-open { display: block; }

.mobile-nav__panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--color-white);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-nav.is-open .mobile-nav__panel { transform: translateX(0); }

.mobile-nav__close {
  align-self: flex-end;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.mobile-nav__list { display: flex; flex-direction: column; gap: var(--space-lg); }

.mobile-nav__link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text);
}

.mobile-nav__link:hover { color: var(--color-accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: heroFadeIn 1.5s ease-out forwards;
}

@keyframes heroFadeIn {
  to { opacity: 1; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, rgba(26, 54, 93, 0.92) 0%, rgba(15, 36, 64, 0.75) 50%, rgba(0,0,0,0.4) 100%),
    linear-gradient(to top, rgba(12, 15, 20, 0.95) 0%, transparent 40%);
}

.hero__content {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-lg);
}

.hero__inner { max-width: 650px; }

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.3s forwards;
}

.hero__label-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.08;
  color: var(--color-white);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.5s forwards;
}

.hero__title em { font-style: italic; color: var(--color-accent-light); }

.hero__desc {
  margin-top: var(--space-lg);
  font-size: 1.0625rem;
  color: rgba(203, 213, 224, 0.9);
  max-width: 520px;
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.7s forwards;
}

.hero__actions {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.9s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--color-white);
}

.btn--outline:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.btn--blue {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--blue:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn--dark {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--dark:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
}

.btn svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.btn:hover svg { transform: translate(2px, -2px); }

/* ---------- Sections ---------- */
.section { padding: var(--space-5xl) 0; }
.section--dark { background: var(--color-dark); color: var(--color-text-on-dark); }
.section--alt { background: var(--color-warm); }
.section--blue { background: var(--color-primary); color: var(--color-white); }

.section__header { margin-bottom: var(--space-3xl); }
.section__header--center { text-align: center; }
.section__header--center p { margin: 0 auto; }
.section__title { margin-top: var(--space-sm); }
.section__desc { margin-top: var(--space-md); font-size: 1.0625rem; }

/* ---------- Stats ---------- */
.stats {
  background: var(--color-dark-soft);
  border-bottom: 1px solid var(--color-border-dark);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border-dark);
}

.stats__item {
  background: var(--color-dark-soft);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.stats__number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent-light);
  line-height: 1;
}

.stats__label {
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
}

/* ---------- Intro Grid ---------- */
.intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.intro__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-xl);
}

.intro__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.intro__image-wrap:hover .intro__image { transform: scale(1.03); }

.intro__features {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.intro__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.intro__feature-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.intro__feature-text { font-size: 0.875rem; font-weight: 500; }

/* ---------- Size Chart ---------- */
.size-chart { overflow-x: auto; }

.size-chart__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 600px;
}

.size-chart__table thead {
  background: var(--color-primary);
  color: var(--color-white);
}

.size-chart__table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.size-chart__table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.size-chart__table tbody tr { transition: background var(--transition-fast); }
.size-chart__table tbody tr:hover { background: rgba(59, 130, 246, 0.05); }

.size-chart__table .highlight-row { background: var(--color-primary-muted); font-weight: 500; }

/* ---------- Guide Cards ---------- */
.guides__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.guide-card {
  background: var(--color-dark-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-dark);
  transition: all var(--transition-base);
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

.guide-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.guide-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.guide-card:hover .guide-card__image img { transform: scale(1.05); }

.guide-card__body { padding: var(--space-xl); }

.guide-card__number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent-light);
}

.guide-card__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--color-text-on-dark);
  margin-top: var(--space-xs);
}

.guide-card__desc {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---------- Thread Count Explainer ---------- */
.thread-count__visual {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.tc-tier {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tc-tier:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.tc-tier--recommended {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.tc-tier--recommended::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.75rem;
  border-bottom-left-radius: var(--radius-md);
}

.tc-tier__range {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-primary);
}

.tc-tier__label {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-top: var(--space-xs);
}

.tc-tier__desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  line-height: 1.7;
}

.tc-tier__bar {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  margin-top: var(--space-md);
  overflow: hidden;
}

.tc-tier__bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent));
  transition: width 1s ease-out;
  width: 0;
}

.tc-tier__bar-fill.is-visible { width: var(--bar-width); }

/* ---------- FAQ ---------- */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq__item:hover { border-color: var(--color-accent); }
.faq__item.is-open { border-color: var(--color-accent); box-shadow: var(--shadow-sm); }

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  background: var(--color-white);
}

.faq__question:hover { color: var(--color-accent); }

.faq__icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq__item.is-open .faq__icon { transform: rotate(45deg); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.faq__item.is-open .faq__answer { max-height: 500px; }

/* ---------- CTA ---------- */
.cta { text-align: center; }

.cta__box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.cta__box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.2), transparent 70%);
}

.cta__title { color: var(--color-white); position: relative; }
.cta__desc { color: rgba(255,255,255,0.8); margin: var(--space-md) auto 0; position: relative; }

.cta__actions {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  position: relative;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-dark);
  color: var(--color-text-light);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border-dark);
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--color-white);
}

.footer__brand-desc {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 320px;
}

.footer__heading {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.footer__links { display: flex; flex-direction: column; gap: var(--space-sm); }

.footer__link { font-size: 0.875rem; color: var(--color-text-light); transition: all var(--transition-fast); }
.footer__link:hover { color: var(--color-accent-light); padding-left: 4px; }

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

.footer__contact-icon { width: 16px; height: 16px; color: var(--color-accent-light); flex-shrink: 0; margin-top: 3px; }
.footer__contact-item a { color: var(--color-accent-light); }
.footer__contact-item a:hover { color: var(--color-white); }

.footer__bottom {
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

.footer__copyright { font-size: 0.75rem; color: var(--color-text-muted); }
.footer__initiative { font-size: 0.75rem; color: var(--color-text-muted); }
.footer__initiative a { color: var(--color-accent-light); font-weight: 500; }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 50;
  box-shadow: var(--shadow-md);
}

.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-accent); transform: translateY(-2px); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.is-visible { opacity: 1; transform: none; }
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* ---------- Seasonal Cards ---------- */
.seasonal__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.seasonal-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.seasonal-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.seasonal-card:hover .seasonal-card__image { transform: scale(1.08); }

.seasonal-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 50%, transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
}

.seasonal-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-white);
}

.seasonal-card__desc {
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
  .guides__grid { grid-template-columns: repeat(2, 1fr); }
  .seasonal__grid { grid-template-columns: repeat(2, 1fr); }
  .thread-count__visual { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .intro__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (min-width: 1080px) {
  .nav { display: block; }
  .header__cta { display: block; }
  .menu-toggle { display: none; }
  .guides__grid { grid-template-columns: repeat(3, 1fr); }
  .seasonal__grid { grid-template-columns: repeat(4, 1fr); }
  .thread-count__visual { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Blog & Article Styles ---------- */
.article-wrap {
  padding: calc(var(--header-height, 80px) + var(--space-3xl)) 0 var(--space-4xl);
  background: var(--color-bg);
}

.article-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.breadcrumbs span.current {
  color: var(--color-text);
  font-weight: 600;
}

.article-header {
  margin-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2xl);
}

.article-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(26, 54, 93, 0.08);
  color: var(--color-primary);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.18;
  margin-bottom: var(--space-md);
}

.article-subtitle {
  font-size: 1.15rem;
  color: #4A5568;
  line-height: 1.65;
  margin-bottom: var(--space-xl);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.article-meta-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.article-meta-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.875rem;
  font-weight: 700;
}

.article-featured-img {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-3xl);
  box-shadow: var(--shadow-md);
}

.article-featured-img img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: var(--color-text);
  margin: var(--space-3xl) 0 var(--space-md);
  line-height: 1.25;
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-text);
  margin: var(--space-2xl) 0 var(--space-sm);
}

.article-body p {
  margin-bottom: var(--space-lg);
}

.article-body ul, .article-body ol {
  margin-bottom: var(--space-xl);
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-callout {
  background: var(--color-light-blue);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-sm);
  margin: var(--space-2xl) 0;
}

.article-callout h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.article-callout p:last-child {
  margin-bottom: 0;
}

.article-author-card {
  margin-top: var(--space-4xl);
  padding: var(--space-2xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.author-card-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  font-family: var(--font-serif);
  flex-shrink: 0;
}

.author-card-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.author-card-role {
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.author-card-bio {
  font-size: 0.875rem;
  color: #4A5568;
  line-height: 1.6;
}

/* ---------- Blog Homepage Section ---------- */
.blog-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.blog-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.blog-card-img-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-img-wrap img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.blog-card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: #4A5568;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.blog-card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}



/* ============================================================
   D'DECOR INSPIRED LUXURY TEXTILE DESIGN SYSTEM & VISUALIZERS
   Added: October 2026 for Interactive Tools, Moodboards & Specs
   ============================================================ */

/* ── Interactive Tool Container ── */
.lux-tool-card {
  background: #FFFFFF;
  border-radius: 16px;
  border: 1px solid rgba(194, 155, 56, 0.25);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(194, 155, 56, 0.08);
  margin: 2.5rem 0;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.lux-tool-card:hover {
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(194, 155, 56, 0.14);
}
.lux-tool-header {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #C29B38;
}
.lux-tool-header-content h3 {
  font-family: inherit;
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 0.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lux-tool-badge {
  background: rgba(194, 155, 56, 0.2);
  border: 1px solid #C29B38;
  color: #E2CA88;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}
.lux-tool-subtitle {
  color: #94A3B8;
  font-size: 0.875rem;
  margin: 0;
}
.lux-tool-body {
  padding: 2rem;
  background: #FAFBFD;
}

/* ── Interactive Form Controls ── */
.lux-control-group {
  margin-bottom: 1.75rem;
}
.lux-control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #1E293B;
  margin-bottom: 0.75rem;
}
.lux-value-display {
  background: #0F172A;
  color: #F8FAFC;
  padding: 0.25rem 0.85rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: monospace;
  font-weight: 700;
  border-left: 3px solid #C29B38;
}
.lux-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #E2E8F0;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
  accent-color: #C29B38;
}
.lux-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #C29B38;
  cursor: pointer;
  border: 2px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  transition: transform 0.15s ease;
}
.lux-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* ── Toggle Pills ── */
.lux-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.lux-pill-btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid #CBD5E1;
  background: #FFFFFF;
  color: #334155;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.lux-pill-btn:hover {
  background: #F1F5F9;
  border-color: #94A3B8;
}
.lux-pill-btn.active {
  background: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
}

/* ── Live Visualization / Result Box ── */
.lux-result-panel {
  background: #FFFFFF;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  padding: 1.5rem;
  margin-top: 1.5rem;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}
.lux-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.lux-metric-card {
  background: #F8FAFC;
  padding: 1rem;
  border-radius: 8px;
  border-left: 3px solid #C29B38;
  text-align: left;
}
.lux-metric-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.2;
}
.lux-metric-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #64748B;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}
.lux-verdict-box {
  background: #F1F5F9;
  border-radius: 8px;
  padding: 1.25rem;
  border: 1px dashed #CBD5E1;
}
.lux-verdict-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lux-verdict-desc {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

/* ── D'Decor Visual Color Moodboard ── */
.ddecor-moodboard-card {
  background: #FFFFFF;
  border-radius: 16px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 8px 30px rgba(0,0,0,0.05);
  padding: 2rem;
  margin: 2.5rem 0;
}
.ddecor-moodboard-header {
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}
.ddecor-moodboard-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 0.25rem 0;
}
.ddecor-moodboard-sub {
  font-size: 0.875rem;
  color: #64748B;
  margin: 0;
}
.ddecor-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.25rem;
}
.ddecor-swatch-item {
  background: #F8FAFC;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ddecor-swatch-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.ddecor-swatch-color {
  height: 90px;
  width: 100%;
  position: relative;
}
.ddecor-swatch-details {
  padding: 0.85rem;
}
.ddecor-swatch-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #1E293B;
  margin-bottom: 0.25rem;
}
.ddecor-swatch-hex {
  font-family: monospace;
  font-size: 0.75rem;
  color: #64748B;
  margin-bottom: 0.5rem;
}
.ddecor-swatch-pairing {
  font-size: 0.75rem;
  color: #0284C7;
  background: #E0F2FE;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  font-weight: 500;
}

/* ── Luxury Textile Spec Badges ── */
.lux-spec-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.lux-spec-pill {
  display: inline-flex;
  align-items: center;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 9999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  color: #334155;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.lux-spec-pill strong {
  color: #0F172A;
  margin-left: 0.35rem;
  font-weight: 700;
}
.lux-spec-pill::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #C29B38;
  margin-right: 0.5rem;
}

/* ── Designer Do's & Don'ts Comparison ── */
.lux-dos-donts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.lux-do-card {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: 12px;
  padding: 1.5rem;
}
.lux-do-card h4 {
  color: #15803D;
  font-size: 1.1rem;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lux-do-card ul {
  padding-left: 1.25rem;
  margin-bottom: 0;
}
.lux-do-card li {
  color: #166534;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.lux-dont-card {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: 12px;
  padding: 1.5rem;
}
.lux-dont-card h4 {
  color: #B91C1C;
  font-size: 1.1rem;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lux-dont-card ul {
  padding-left: 1.25rem;
  margin-bottom: 0;
}
.lux-dont-card li {
  color: #991B1B;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

/* ── D'Decor Masterclass Editorial Callout ── */
.ddecor-masterclass-card {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FFFFFF;
  border-radius: 16px;
  padding: 2.25rem;
  margin: 2.5rem 0;
  position: relative;
  border-left: 5px solid #C29B38;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.2);
}
.ddecor-masterclass-badge {
  color: #E2CA88;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}
.ddecor-masterclass-card h3 {
  font-size: 1.35rem;
  color: #FFFFFF;
  margin: 0 0 1rem 0;
}
.ddecor-masterclass-card p {
  color: #CBD5E1;
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.ddecor-masterclass-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.ddecor-masterclass-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #C29B38;
  color: #0F172A;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}
.ddecor-masterclass-meta div:first-child {
  font-weight: 700;
  color: #FFFFFF;
  font-size: 0.9rem;
}
.ddecor-masterclass-meta div:last-child {
  color: #94A3B8;
  font-size: 0.75rem;
}