/* CSS Document - fitnessvitalroutine.info - Theme: LIGHT */
:root {
  --bg-color: #F2FAF5;
  --surface-color: #FFFFFF;
  --surface-soft: #DCFCE7;
  --primary: #15803D;
  --primary-dark: #166534;
  --primary-light: #22C55E;
  --text-main: #1F2937;
  --text-muted: #4B5563;
  --border-color: #86EFAC;
  --card-bg: #FFFFFF;
  --badge-bg: #DCFCE7;
  --badge-text: #166534;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* ==========================================================================
   PROMINENT SINGLE-LINE FULL-WIDTH HEADER
   Enforces: min-height: 84px, max-width: 1440px, white-space: nowrap !important
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--surface-color);
  border-bottom: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.header-container {
  max-width: 1440px;
  min-height: 84px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  white-space: nowrap !important;
  overflow: hidden;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
  fill: var(--primary);
  flex-shrink: 0;
}

.brand-badge {
  font-size: 0.72rem;
  text-transform: uppercase;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-color);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  list-style: none;
  flex-shrink: 1;
}

.nav-link {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.2s ease;
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--primary);
  color: #FFFFFF !important;
  font-size: 1.02rem;
  font-weight: 700;
  padding: 0.85rem 1.65rem;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  transition: all 0.25s ease;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
}

.header-cta:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

/* ==========================================================================
   LAYOUT & CONTAINER
   ========================================================================== */
.main-wrapper {
  flex: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

.section-title-wrap {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
  border: 1px solid var(--border-color);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3.5rem;
  background-color: var(--surface-color);
  border-radius: 24px;
  padding: 3.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  margin-bottom: 4rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.18rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  margin-bottom: 2.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--surface-soft);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.feature-item svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--primary);
  color: #FFFFFF !important;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 1.05rem 2.2rem;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrap img {
  width: 100%;
  max-width: 440px;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.hero-image-wrap:hover img {
  transform: scale(1.02);
}

/* ==========================================================================
   FORMULA SHOWCASE
   ========================================================================== */
.formula-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-bottom: 4rem;
}

.formula-card {
  background-color: var(--card-bg);
  border-radius: 18px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.formula-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.formula-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background-color: var(--badge-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
}

.formula-icon-box svg {
  width: 28px;
  height: 28px;
  fill: var(--primary);
}

.formula-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.6rem;
}

.formula-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   ARTICLES GRID
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 4.5rem;
}

.article-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 2.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.article-meta-badge {
  font-weight: 700;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.article-card-title {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.article-card-title a {
  color: inherit;
}

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

.article-card-excerpt {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.article-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--primary);
}

.article-read-btn:hover {
  gap: 0.65rem;
}

/* ==========================================================================
   DETAILED ARTICLE PAGE STYLES
   ========================================================================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.article-view-header {
  max-width: 960px;
  margin: 0 auto 3rem;
  text-align: center;
}

.article-view-title {
  font-size: 2.85rem;
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.article-body-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.article-text-content {
  font-size: 1.14rem;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 3.5rem;
}

.article-text-content h3 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 2.25rem 0 1rem;
  line-height: 1.35;
}

.article-text-content p {
  margin-bottom: 1.5rem;
}

/* Protocol Card */
.protocol-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 2.5rem;
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-md);
  margin: 3rem 0;
}

.protocol-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.protocol-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
}

.protocol-duration {
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
}

.protocol-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.protocol-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 1.05rem;
  line-height: 1.55;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.protocol-outcome {
  background-color: var(--surface-soft);
  border-radius: 12px;
  padding: 1.2rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-main);
  border-left: 4px solid var(--primary);
}

/* Comparison Table */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 3rem 0;
  border-radius: 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background-color: var(--card-bg);
}

.comparison-table th {
  background-color: var(--surface-soft);
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 800;
  padding: 1.25rem 1.5rem;
  border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 1rem;
  color: var(--text-main);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table td:first-child {
  font-weight: 700;
  color: var(--text-main);
}

.comparison-table td:last-child {
  color: var(--primary);
  font-weight: 600;
}

/* Biochem Callout */
.biochem-callout {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  margin: 3rem 0;
  position: relative;
}

.biochem-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.biochem-headline {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.biochem-details {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.biochem-molecule {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

/* ==========================================================================
   CERTIFICATIONS
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.cert-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.25s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.cert-svg-wrap {
  width: 100%;
  max-width: 380px;
  margin-bottom: 1.5rem;
}

.cert-svg-wrap svg {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
  border-radius: 12px;
  margin: 0 auto;
}

.cert-info-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.cert-info-authority {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.cert-info-reg {
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

/* ==========================================================================
   BESPOKE FAQ ACCORDION
   ========================================================================== */
.faq-accordion {
  max-width: 920px;
  margin: 0 auto 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background-color: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.5rem 1.75rem;
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  font-size: 1.4rem;
  color: var(--primary);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.75rem 1.75rem;
}

.faq-answer p {
  font-size: 1.04rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ==========================================================================
   ORDER PAGE (commande.html)
   ========================================================================== */
.order-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto;
}

.order-form-card {
  background-color: var(--card-bg);
  border-radius: 24px;
  padding: 3rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.75rem;
}

.form-label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.6rem;
}

.form-control {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1.05rem;
  border-radius: 12px;
  border: 1.5px solid var(--border-color);
  background-color: var(--surface-color);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--badge-bg);
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 1.75rem 0 2.25rem;
}

.form-checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  cursor: pointer;
}

.order-summary-card {
  background-color: var(--surface-color);
  border-radius: 24px;
  padding: 2.75rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.order-prod-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: 16px;
  margin-bottom: 1.75rem;
}

.summary-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.summary-subtitle {
  font-size: 1rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.summary-bullets {
  list-style: none;
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.summary-bullet-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.summary-bullet-item svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
  flex-shrink: 0;
}

.trust-badges {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   THANK YOU PAGE (merci.html)
   ========================================================================== */
.thankyou-card {
  max-width: 760px;
  margin: 3rem auto;
  background-color: var(--card-bg);
  border-radius: 24px;
  padding: 3.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.thankyou-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: var(--badge-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 1.75rem;
  border: 2px solid var(--primary);
}

.thankyou-title {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.thankyou-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.thankyou-box {
  background-color: var(--surface-soft);
  border-radius: 16px;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

/* ==========================================================================
   LEGAL PAGES
   ========================================================================== */
.legal-card {
  max-width: 960px;
  margin: 0 auto;
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 3.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.legal-card h1 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.legal-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 2rem 0 0.85rem;
}

.legal-card p, .legal-card ul {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.legal-card ul {
  padding-left: 1.5rem;
}

/* ==========================================================================
   SWISS FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2.5rem;
  margin-top: auto;
  width: 100%;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-heading {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--primary);
}

.footer-contact-item {
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.footer-bottom {
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem;
  }
  .hero-content {
    align-items: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .formula-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .order-layout {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 1rem;
  }
  .brand-logo {
    font-size: 1.2rem;
  }
  .nav-menu {
    display: none;
  }
  .articles-grid, .certs-grid, .formula-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}