/* ==========================================================================
   HEALTHGROUP - Ultra-Responsive Healthline Design System with High-Res Imagery
   ========================================================================== */

:root {
  --primary: #026a75;
  --primary-hover: #015159;
  --primary-dark: #003e45;
  --primary-light: #e0f2fe;
  --primary-soft: #f0fdfa;
  --secondary: #0d9488;
  --accent: #f59e0b;
  --accent-soft: #fef3c7;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-main: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --medical-badge: #0284c7;
  --medical-badge-bg: #e0f2fe;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 10px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 20px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --container-max: 1220px;
  --header-height: 72px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-alt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

/* Typography with Fluid Sizing */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.45rem); }
h4 { font-size: 1.15rem; }

.lead {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.7;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Advisory Banner */
.advisory-banner {
  background: var(--primary-dark);
  color: #e2e8f0;
  font-size: 0.8rem;
  padding: 8px 16px;
  text-align: center;
  letter-spacing: 0.2px;
  line-height: 1.4;
}

.advisory-banner span {
  background: rgba(255, 255, 255, 0.18);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  margin-right: 8px;
  display: inline-block;
}

/* Header & Navigation */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 900;
  box-shadow: 0 2px 6px rgba(2, 106, 117, 0.3);
}

.brand-logo span.highlight {
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(2, 106, 117, 0.2);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(2, 106, 117, 0.3);
}

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn-sm {
  padding: 7px 14px;
  font-size: 0.85rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-main);
  padding: 6px;
  line-height: 1;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #01373d 0%, #026a75 60%, #0f766e 100%);
  color: #ffffff;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 700px;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 18px;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: #e0f2fe;
  margin-bottom: 30px;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.2);
  height: 380px;
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Search Box */
.hero-search {
  position: relative;
  max-width: 600px;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 6px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.18);
  display: flex;
  align-items: center;
}

.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 12px 18px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-main);
  border-radius: var(--radius-md);
  width: 100%;
}

.hero-search button {
  background: var(--primary);
  color: #ffffff;
  border: none;
  padding: 12px 24px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}

.hero-search button:hover {
  background: var(--primary-hover);
}

.trending-searches {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 0.85rem;
  color: #bae6fd;
}

.trending-tag {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  transition: all 0.2s;
}

.trending-tag:hover {
  background: rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

/* Sections */
.section {
  padding: clamp(40px, 6vw, 65px) 0;
}

.section-alt {
  background: #ffffff;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 14px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  position: relative;
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--primary-dark);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.section-link {
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Responsive Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 26px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 30px;
}

/* Article Cards with Photos */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.card-img-wrap {
  position: relative;
  width: 100%;
  height: 210px;
  background: #02474d;
  overflow: hidden;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-img-wrap img {
  transform: scale(1.06);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
}

.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.medically-reviewed-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #0369a1;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
  line-height: 1.35;
}

.card-title a {
  color: var(--text-main);
}

.card-title a:hover {
  color: var(--primary);
}

.card-text {
  color: var(--text-muted);
  font-size: 0.94rem;
  margin-bottom: 18px;
  flex: 1;
  line-height: 1.6;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  font-size: 0.82rem;
  color: var(--text-light);
}

/* Specialty Callout Box */
.takeaway-box {
  background: #f0fdfa;
  border-left: 5px solid var(--secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 28px 0;
}

.takeaway-box h4 {
  color: var(--primary-dark);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

/* Feature Banners */
.tools-banner {
  background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
  border: 1px solid #bae6fd;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 42px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 36px 0;
}

.tools-banner-text h2 {
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.tools-banner-text p {
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 18px;
}

/* A-Z Filter Buttons */
.az-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 24px;
  background: #ffffff;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.az-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s;
}

.az-btn:hover, .az-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.pill {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.pill:hover, .pill.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Article Detail */
.article-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.article-hero-img {
  width: 100%;
  height: clamp(260px, 40vw, 440px);
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 24px 0 30px;
  box-shadow: var(--shadow-md);
}

.reviewer-avatar-img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.medical-review-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin: 20px 0;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-body {
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.85;
  color: #334155;
}

.article-body h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--primary-dark);
}

.article-body h3 {
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul {
  margin-bottom: 24px;
  padding-left: 20px;
}

.article-body li {
  margin-bottom: 10px;
}

/* Accordion FAQ */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 24px 0;
  background: #ffffff;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  width: 100%;
  padding: 18px 20px;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s;
}

.accordion-trigger:hover {
  background: var(--bg-alt);
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 400;
}

.accordion-item.active .accordion-trigger::after {
  content: '−';
}

.accordion-content {
  display: none;
  padding: 0 20px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.accordion-item.active .accordion-content {
  display: block;
}

/* Calculators & Symptom Wizard */
.calc-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 36px);
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 106, 117, 0.15);
}

.calc-result-box {
  background: var(--primary-soft);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.calc-score {
  font-size: clamp(2.2rem, 5vw, 2.8rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin: 10px 0;
}

.calc-status {
  font-size: 1.1rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.status-normal { background: #dcfce7; color: #15803d; }
.status-underweight { background: #e0f2fe; color: #0369a1; }
.status-overweight { background: #fef9c3; color: #a16207; }
.status-obese { background: #fee2e2; color: #b91c1c; }

.wizard-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 40px);
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

.wizard-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
  position: relative;
}

.wizard-steps::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.step-indicator {
  position: relative;
  z-index: 2;
  background: #ffffff;
  padding: 0 8px;
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e2e8f0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step-indicator.active .step-circle {
  background: var(--primary);
  color: #ffffff;
}

.step-indicator.active {
  color: var(--primary);
}

.symptom-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: 12px;
  margin: 20px 0;
}

.symptom-pill-checkbox {
  position: relative;
}

.symptom-pill-checkbox input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.symptom-pill-checkbox label {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.symptom-pill-checkbox input:checked + label {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

/* Newsletter CTA */
.newsletter-banner {
  background: linear-gradient(135deg, #01373d, #026a75);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: clamp(30px, 5vw, 50px);
  text-align: center;
  margin: 50px 0;
}

.newsletter-banner h2 {
  color: #ffffff;
  margin-bottom: 12px;
}

.newsletter-banner p {
  color: #e0f2fe;
  max-width: 550px;
  margin: 0 auto 24px;
}

.newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: 10px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 1rem;
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 24px;
  border-top: 1px solid #1e293b;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #94a3b8;
}

.footer-col a:hover {
  color: #38bdf8;
}

.footer-disclaimer {
  background: #090e17;
  padding: 20px;
  border-radius: var(--radius-md);
  margin-bottom: 30px;
  font-size: 0.82rem;
  line-height: 1.6;
  border: 1px solid #1e293b;
  color: #64748b;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #1e293b;
  font-size: 0.8rem;
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: -100%;
  width: min(85vw, 320px);
  height: 100vh;
  background: #ffffff;
  z-index: 2000;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  left: 0;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  display: none;
}

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

.mobile-nav-links {
  list-style: none;
  margin-top: 24px;
}

.mobile-nav-links li {
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  padding: 12px 0;
}

.mobile-nav-links a:hover {
  color: var(--primary);
}

/* Toast Notifications */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (Mobile, Tablet, Desktop)
   ========================================================================== */

@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-image-wrap {
    height: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tools-banner {
    flex-direction: column;
    text-align: center;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    height: 64px;
  }

  .brand-logo {
    font-size: 1.3rem;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 1.15rem;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    padding: 40px 0;
  }

  .hero-search {
    flex-direction: column;
    background: transparent;
    box-shadow: none;
    padding: 0;
    gap: 8px;
  }

  .hero-search input {
    border-radius: var(--radius-sm);
    padding: 14px;
  }

  .hero-search button {
    width: 100%;
    padding: 14px;
  }

  .hero-image-wrap {
    height: 220px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
    padding: 14px;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .card-img-wrap {
    height: 180px;
  }

  .article-title {
    font-size: 1.8rem;
  }
}

/* ==========================================================================
   READING PROGRESS BAR
   ========================================================================== */
#progressBar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease;
}

/* ==========================================================================
   AUTHENTICATION & LOGIN STYLES
   ========================================================================== */
.auth-wrapper {
  min-height: calc(100vh - var(--header-height) - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  padding: clamp(24px, 5vw, 40px);
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 28px;
}

.auth-tab-btn {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s ease;
}

.auth-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.social-auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.social-btn:hover {
  background: var(--bg-alt);
  border-color: #cbd5e1;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 20px 0;
  color: var(--text-light);
  font-size: 0.85rem;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
  padding: 0 12px;
}

.auth-user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  border: 1px solid #bbf7d0;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

/* ==========================================================================
   BLOG MAGAZINE & 1200-WORD ARTICLE STYLES
   ========================================================================== */
.blog-featured-hero {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: #ffffff;
  border: 1px solid var(--border-color);
}

@media (max-width: 900px) {
  .blog-featured-hero {
    grid-template-columns: 1fr;
  }
}

.blog-featured-img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.blog-featured-body {
  padding: clamp(24px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0 24px;
  padding: 12px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.blog-sidebar-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  position: sticky;
  top: 90px;
}

.comment-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 36px);
  margin-top: 50px;
}

.comment-item {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.comment-item:last-child {
  border-bottom: none;
}