/* ============================================================
   Casa y Luz — Main Stylesheet
   Design: Modern editorial, warm & minimal
   Fonts: Playfair Display + DM Sans
   ============================================================ */

/* --- CUSTOM PROPERTIES --- */
:root {
  --color-primary:    #E07B39;
  --color-primary-dk: #C4611F;
  --color-primary-lt: #FFF3E0;
  --color-accent:     #2C5F2E;
  --color-dark:       #1A1A1A;
  --color-charcoal:   #2D2D2D;
  --color-muted:      #6B6B6B;
  --color-border:     #E8E1D9;
  --color-bg:         #FDFAF7;
  --color-surface:    #FFFFFF;
  --color-warm-gray:  #F5F0EB;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.13);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.16);

  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --container:  1200px;
  --header-h:   120px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-charcoal);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; }

/* --- ACCESSIBILITY --- */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--color-primary); color: #fff;
  padding: .5rem 1rem; border-radius: var(--radius-sm);
  font-weight: 600; z-index: 9999; transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }

/* --- CONTAINER --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); line-height: 1.2; color: var(--color-dark); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }
p  { margin-bottom: 1rem; }

.section-label {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .75rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--color-primary);
  margin-bottom: .75rem;
}
.section-label::before {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--color-primary); border-radius: 2px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.75rem; border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 600; transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary); color: #fff;
  box-shadow: 0 4px 14px rgba(224,123,57,.3);
}
.btn-primary:hover {
  background: var(--color-primary-dk); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224,123,57,.4);
}
.btn-secondary {
  background: var(--color-surface); color: var(--color-dark);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  transform: translateY(-2px);
}
.btn-ghost {
  color: var(--color-primary); padding-left: 0; padding-right: 0;
}
.btn-ghost:hover { gap: .75rem; }
.btn-ghost i { transition: transform var(--transition); }
.btn-ghost:hover i { transform: translateX(4px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  box-shadow: 0 1px 0 var(--color-border);
}
.header-top { padding: .4rem 0; }
.header-top-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 1rem;
}
.site-logo { display: flex; align-items: center; transition: opacity var(--transition); }
.site-logo:hover { opacity: .85; }
.site-logo-img {
  height: 55px;
  width: auto;
  display: block;
  object-fit: contain;
}
.footer-logo { display: flex; align-items: center; }
.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
  /* Logo tiene fondo blanco — aplicamos filtro para versión oscura del footer */
  filter: brightness(0) invert(1);
  opacity: .9;
}
.footer-logo-img:hover { opacity: 1; }

.header-actions { display: flex; align-items: center; gap: .5rem; }

.search-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-charcoal); font-size: 1rem;
  transition: all var(--transition);
}
.search-toggle:hover { background: var(--color-warm-gray); color: var(--color-primary); }

.menu-toggle {
  display: none; width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; border-radius: var(--radius-sm);
}
.menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-charcoal); border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Search bar */
.search-bar {
  border-top: 1px solid var(--color-border);
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease;
}
.search-bar.open { max-height: 80px; padding: .75rem 0; }
.search-form {
  display: flex; gap: .5rem;
  background: var(--color-warm-gray); border-radius: var(--radius-md);
  padding: .5rem .5rem .5rem 1rem;
}
.search-form input {
  flex: 1; background: none; border: none; outline: none;
  font-size: .95rem; color: var(--color-dark);
}
.search-form button {
  background: var(--color-primary); color: #fff;
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
}

/* Navigation */
.main-nav {
  border-top: 1px solid var(--color-border);
  padding: 0;
}
.nav-list {
  display: flex; align-items: center;
  gap: 0;
}
.nav-list > li { position: relative; }
.nav-list > li > a {
  display: flex; align-items: center; gap: .35rem;
  padding: .6rem 1rem; font-size: .875rem; font-weight: 500;
  color: var(--color-charcoal); transition: color var(--transition);
  white-space: nowrap;
}
.nav-list > li > a:hover,
.nav-list > li > a[aria-current="page"] { color: var(--color-primary); }
.nav-list > li > a[aria-current="page"] {
  border-bottom: 2px solid var(--color-primary);
}
.nav-list > li > a i { font-size: .65rem; transition: transform var(--transition); }
.nav-list > li.has-dropdown:hover > a i { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute; top: 100%; left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 220px; padding: .5rem;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--transition); z-index: 50;
}
.has-dropdown:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown li a {
  display: block; padding: .65rem 1rem;
  font-size: .875rem; border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.dropdown li a:hover { background: var(--color-warm-gray); color: var(--color-primary); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  background: var(--color-dark);
  min-height: 88vh; display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/hero/hero-main.jpg');
  background-size: cover; background-position: center;
  opacity: .35; transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.03); }
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,.9) 0%, rgba(44,95,46,.4) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 680px; padding: 5rem 0;
  animation: fadeInUp .8s ease both;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(224,123,57,.2); border: 1px solid rgba(224,123,57,.4);
  color: #FFB78A; padding: .4rem 1rem; border-radius: 100px;
  font-size: .78rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero h1 { color: #fff; margin-bottom: 1.25rem; text-shadow: 0 2px 20px rgba(0,0,0,.3); }
.hero h1 em { color: var(--color-primary); font-style: normal; }
.hero-subtitle {
  font-size: 1.15rem; color: rgba(255,255,255,.8);
  margin-bottom: 2.5rem; max-width: 520px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2.5rem; margin-top: 3.5rem;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat { text-align: left; }
.hero-stat .num {
  display: block; font-family: var(--font-display);
  font-size: 1.75rem; font-weight: 700; color: var(--color-primary);
}
.hero-stat .label { font-size: .78rem; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .05em; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 5rem 0; }
.section-header {
  margin-bottom: 2.5rem;
}
.section-header.centered { text-align: center; }
.section-header p { color: var(--color-muted); margin-top: .5rem; max-width: 540px; }
.section-header.centered p { margin: .5rem auto 0; }
.section-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--color-primary); font-weight: 600; font-size: .875rem;
  margin-top: .75rem; transition: gap var(--transition);
}
.section-link:hover { gap: .75rem; }

/* ============================================================
   CATEGORIES GRID
   ============================================================ */
.categories-section { background: var(--color-warm-gray); }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.category-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg); aspect-ratio: 1 / 1.1;
  display: flex; flex-direction: column;
  justify-content: flex-end; padding: 1.5rem;
  background: var(--color-dark);
  transition: transform var(--transition);
  text-decoration: none;
}
.category-card:hover { transform: translateY(-6px); }
.category-card-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .45; transition: transform .6s ease, opacity .3s;
}
.category-card:hover .category-card-bg { transform: scale(1.06); opacity: .55; }
.category-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.8) 0%, rgba(0,0,0,.1) 60%);
}
.category-card-content { position: relative; z-index: 2; }
.category-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; margin-bottom: .75rem;
  background: rgba(255,255,255,.15); color: #fff;
}
.category-card h3 { color: #fff; font-size: 1.05rem; margin-bottom: .25rem; }
.category-card p { color: rgba(255,255,255,.7); font-size: .78rem; margin: 0; }
.category-arrow {
  position: absolute; top: 1rem; right: 1rem; z-index: 2;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.15); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; opacity: 0; transform: translateY(-4px);
  transition: all var(--transition);
}
.category-card:hover .category-arrow { opacity: 1; transform: translateY(0); background: var(--color-primary); }

/* ============================================================
   ARTICLE CARDS
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.articles-grid.two-col { grid-template-columns: repeat(2, 1fr); }
.articles-grid.hero-grid {
  grid-template-columns: 1.6fr 1fr;
  grid-template-rows: auto auto;
}
.articles-grid.hero-grid .article-card:first-child {
  grid-row: 1 / 3;
}

.article-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.article-card-image {
  position: relative; overflow: hidden;
  aspect-ratio: 16/9; background: var(--color-warm-gray);
}
.article-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.article-card:hover .article-card-image img { transform: scale(1.05); }
.article-category-badge {
  position: absolute; top: .75rem; left: .75rem;
  padding: .3rem .75rem; border-radius: 100px;
  font-size: .7rem; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; color: #fff;
}

.article-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.article-meta {
  display: flex; align-items: center; gap: 1rem;
  font-size: .75rem; color: var(--color-muted); margin-bottom: .75rem;
}
.article-meta span { display: flex; align-items: center; gap: .3rem; }
.article-card h3 { font-size: 1.1rem; margin-bottom: .5rem; color: var(--color-dark); line-height: 1.3; }
.article-card:hover h3 { color: var(--color-primary); }
.article-card h3 a { transition: color var(--transition); }
.article-card p { font-size: .875rem; color: var(--color-muted); flex: 1; margin: 0; }
.article-card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
}
.difficulty-badge {
  font-size: .7rem; font-weight: 600; padding: .25rem .65rem;
  border-radius: 100px;
}
.difficulty-facil     { background: #E8F5E9; color: #2C5F2E; }
.difficulty-intermedio{ background: #FFF3E0; color: #E07B39; }
.difficulty-avanzado  { background: #FFEBEE; color: #C0392B; }

/* Featured layout for larger card */
.article-card.featured .article-card-image { aspect-ratio: 16/10; }
.article-card.featured .article-card-body { padding: 2rem; }
.article-card.featured h3 { font-size: 1.4rem; }

/* ============================================================
   FEATURED ARTICLES — Editorial Layout
   ============================================================ */
.featured-section { background: var(--color-bg); }
.featured-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem; align-items: start;
}
.featured-main { grid-row: 1 / 3; }
.featured-secondary { }

/* ============================================================
   TOOLS / PRODUCTS
   ============================================================ */
.tools-section { background: var(--color-dark); color: #fff; }
.tools-section .section-label { color: var(--color-primary); }
.tools-section h2 { color: #fff; }
.tools-section .section-header p { color: rgba(255,255,255,.6); }
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.tool-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.tool-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.1);
  border-color: rgba(224,123,57,.4);
}
.tool-card-image {
  aspect-ratio: 1/1; 
  background: rgba(255,255,255,.04);
  display: flex; 
  align-items: center; 
  justify-content: center;
  overflow: hidden; 
  padding: 0;
  border-radius: 12px 12px 0 0;
}
.tool-card-image img { 
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.tool-card-image .tool-placeholder {
  font-size: 3rem; opacity: .3;
}
.tool-card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.tool-card h4 { color: #fff; font-size: .95rem; margin-bottom: .4rem; line-height: 1.3; }
.tool-rating { display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; }
.stars { color: #F59E0B; font-size: .8rem; }
.rating-num { font-size: .75rem; color: rgba(255,255,255,.5); }
.tool-price {
  font-family: var(--font-display); font-size: 1.3rem;
  font-weight: 700; color: var(--color-primary); margin: auto 0 .75rem;
}
.tool-card-footer { padding: 1rem 1.25rem; border-top: 1px solid rgba(255,255,255,.08); }
.btn-amazon {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  background: #FF9900; color: #111; padding: .65rem 1rem;
  border-radius: var(--radius-sm); font-size: .825rem; font-weight: 700;
  width: 100%; transition: all var(--transition);
}
.btn-amazon:hover { background: #FFB347; transform: translateY(-1px); }
.btn-amazon i { font-size: 1rem; }

/* ============================================================
   RECENT ARTICLES
   ============================================================ */
.recent-section { background: var(--color-warm-gray); }

/* ============================================================
   NEWSLETTER
   ============================================================ */
.footer-newsletter {
  background: var(--color-primary);
  padding: 4rem 0;
}
.newsletter-inner {
  display: flex; align-items: center;
  gap: 3rem; justify-content: space-between;
}
.newsletter-text { color: #fff; }
.newsletter-text h2 { color: #fff; font-size: clamp(1.2rem, 2.5vw, 1.75rem); margin-bottom: .5rem; }
.newsletter-text p { color: rgba(255,255,255,.8); margin: 0; }
.newsletter-form { flex: 1; max-width: 480px; }
.newsletter-fields {
  display: flex; gap: .5rem; flex-wrap: wrap;
}
.newsletter-fields input {
  flex: 1; min-width: 140px; padding: .85rem 1rem;
  border: none; border-radius: var(--radius-sm);
  font-size: .9rem; background: rgba(255,255,255,.2);
  color: #fff; outline: none;
}
.newsletter-fields input::placeholder { color: rgba(255,255,255,.7); }
.newsletter-fields input:focus { background: rgba(255,255,255,.3); }
.newsletter-fields .btn-primary {
  background: var(--color-dark); box-shadow: none; flex-shrink: 0;
}
.newsletter-fields .btn-primary:hover { background: var(--color-charcoal); transform: none; }
.newsletter-privacy { font-size: .73rem; color: rgba(255,255,255,.65); margin: .6rem 0 0; }
.newsletter-message { margin-top: .5rem; font-size: .85rem; color: rgba(255,255,255,.9); font-weight: 600; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer-main { background: var(--color-charcoal); padding: 4rem 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-brand p { color: rgba(255,255,255,.55); font-size: .875rem; margin: 1rem 0 1.5rem; line-height: 1.6; }
.social-links { display: flex; gap: .6rem; }
.social-links a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.1); color: rgba(255,255,255,.7);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; transition: all var(--transition);
}
.social-links a:hover { background: var(--color-primary); color: #fff; }
.footer-col h3 {
  font-size: .8rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: rgba(255,255,255,.4);
  margin-bottom: 1.25rem;
}
.footer-col ul li { margin-bottom: .6rem; }
.footer-col ul li a {
  color: rgba(255,255,255,.65); font-size: .875rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-bottom {
  background: var(--color-dark); padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,.05);
}
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
}
.footer-bottom p { font-size: .78rem; color: rgba(255,255,255,.4); margin: 0; }
.affiliate-notice { font-style: italic; }
.affiliate-notice i { margin-right: .3rem; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 99;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none;
  transition: all var(--transition); font-size: .9rem;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--color-primary-dk); transform: translateY(-3px); }

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.article-header { padding: 4rem 0 2rem; background: var(--color-warm-gray); }
.article-hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem;
  margin-bottom: 1.5rem;
}
.article-hero-image {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/7; margin: 2rem 0;
}
.article-hero-image img { width: 100%; height: 100%; object-fit: cover; }

.article-layout {
  display: grid; grid-template-columns: 1fr 320px;
  gap: 3rem; align-items: start; padding: 3rem 0;
}
.article-content { min-width: 0; }
.article-body { font-size: 1.05rem; line-height: 1.85; color: var(--color-charcoal); }
.article-body h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; padding-bottom: .5rem; border-bottom: 2px solid var(--color-border); }
.article-body h3 { font-size: 1.2rem; margin: 2rem 0 .75rem; }
.article-body p  { margin-bottom: 1.25rem; }
.article-body ul, .article-body ol { margin: 1rem 0 1.25rem 1.5rem; }
.article-body li { margin-bottom: .5rem; }
.article-body img { border-radius: var(--radius-md); margin: 1.5rem 0; }
.article-body a { color: var(--color-primary); text-decoration: underline; }

/* Quick summary box */
.quick-summary {
  background: var(--color-primary-lt);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 2rem; margin: 2rem 0;
}
.quick-summary h4 { color: var(--color-primary-dk); margin-bottom: .75rem; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.quick-summary p { margin: 0; font-weight: 500; }

/* Article info boxes */
.article-info-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin: 2rem 0;
}
.info-box {
  background: var(--color-warm-gray); border-radius: var(--radius-md);
  padding: 1rem 1.25rem; text-align: center;
}
.info-box i { font-size: 1.25rem; color: var(--color-primary); margin-bottom: .4rem; }
.info-box .info-label { font-size: .7rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .06em; display: block; }
.info-box .info-value { font-weight: 700; font-size: .9rem; display: block; color: var(--color-dark); }

/* Steps */
.steps-list { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.step-item {
  counter-increment: step;
  display: grid; grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem; margin-bottom: 2.5rem;
  padding-bottom: 2.5rem; border-bottom: 1px solid var(--color-border);
}
.step-item:last-child { border-bottom: none; margin-bottom: 0; }
.step-number {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  flex-shrink: 0;
}
.step-number::before { content: counter(step); }
.step-content h4 { font-size: 1rem; margin-bottom: .5rem; }

/* Sidebar */
.article-sidebar { position: sticky; top: calc(var(--header-h) + 1rem); }
.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.sidebar-widget h4 {
  font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-muted); margin-bottom: 1.25rem;
}

/* ============================================================
   CATEGORY PAGE
   ============================================================ */
.category-header { 
  padding: 4rem 0; 
  color: #fff;
}
.breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: .8rem; color: var(--color-muted); margin-bottom: 1rem;
}
.breadcrumb a { transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb i { font-size: .6rem; }

/* ============================================================
   BLOG PAGE
   ============================================================ */
.blog-header { padding: 3rem 0; background: var(--color-warm-gray); }
.blog-filters {
  display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.5rem;
}
.filter-btn {
  padding: .45rem 1rem; border-radius: 100px; font-size: .8rem; font-weight: 600;
  border: 1.5px solid var(--color-border); color: var(--color-muted);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--color-primary); color: var(--color-primary);
  background: var(--color-primary-lt);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: .4rem; margin-top: 3rem;
}
.pagination a, .pagination span {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .875rem; font-weight: 600;
  border: 1.5px solid var(--color-border);
  transition: all var(--transition);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination span.current {
  background: var(--color-primary); color: #fff; border-color: var(--color-primary);
}

/* ============================================================
   CONTACT / STATIC PAGES
   ============================================================ */
.page-hero { padding: 4rem 0; background: var(--color-warm-gray); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: 4rem 0; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .4rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: .85rem 1rem;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  font-size: .9rem; transition: border-color var(--transition);
  background: var(--color-surface); outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-primary);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
.animate-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .featured-layout { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .main-nav { display: none; }
  .main-nav.open { display: block; border-top: 1px solid var(--color-border); }
  .nav-list { flex-direction: column; gap: 0; padding: .5rem 0; }
  .nav-list > li > a { padding: .75rem 0; border-bottom: 1px solid var(--color-border); }
  .dropdown { position: static; box-shadow: none; border: none; opacity: 1; visibility: visible; transform: none; background: var(--color-warm-gray); margin-top: .25rem; border-radius: var(--radius-sm); }
  .menu-toggle { display: flex; }
  
  .articles-grid { grid-template-columns: 1fr; }
  .articles-grid.two-col { grid-template-columns: 1fr; }
  .articles-grid.hero-grid { grid-template-columns: 1fr; }
  .articles-grid.hero-grid .article-card:first-child { grid-row: auto; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .newsletter-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .newsletter-form { max-width: 100%; width: 100%; }
  .newsletter-fields { flex-direction: column; }
  .newsletter-fields .btn-primary { width: 100%; justify-content: center; }
  .hero-stats { gap: 1.5rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .contact-grid { grid-template-columns: 1fr; }
  .article-info-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ADMIN STYLES
   ============================================================ */
.admin-layout {
  display: grid; grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.admin-sidebar {
  background: var(--color-dark); color: #fff; padding: 1.5rem 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar .sidebar-brand {
  padding: .5rem 1.5rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 1rem;
}
.admin-nav a {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem 1.5rem; font-size: .875rem; color: rgba(255,255,255,.7);
  transition: all var(--transition);
}
.admin-nav a:hover, .admin-nav a.active {
  color: #fff; background: rgba(255,255,255,.1);
  border-left: 3px solid var(--color-primary);
  padding-left: calc(1.5rem - 3px);
}
.admin-main { padding: 2rem; background: var(--color-warm-gray); }
.admin-card {
  background: var(--color-surface); border-radius: var(--radius-md);
  padding: 1.5rem; border: 1px solid var(--color-border);
}
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
  background: var(--color-surface); border-radius: var(--radius-md);
  padding: 1.5rem; border: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 1rem;
}
.stat-card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: var(--color-primary-lt); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.stat-card .num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; }
.stat-card .lbl { font-size: .75rem; color: var(--color-muted); }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--color-border); font-size: .875rem; }
.data-table th { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--color-muted); }
.data-table tr:hover { background: var(--color-warm-gray); }

.newsletter-message {
    display: none;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
}

.newsletter-message.success {
    background: #E8F5E9;
    color: #2C5F2E;
    border-left: 4px solid #2C5F2E;
}

.newsletter-message.error {
    background: #FFEBEE;
    color: #C0392B;
    border-left: 4px solid #C0392B;
}