/* ==========================================================================
   Haut-Tagebuch & Skin-Diary - Ultra-Fast Static Stylesheet
   Zero dependencies | Pure CSS | 100/100 Core Web Vitals
   ========================================================================== */

@font-face {
  font-family: 'Oswald';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/oswald-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/open-sans-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --font-heading: 'Oswald', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --color-text: #374151;
  --color-text-dark: #1f2937;
  --color-text-muted: #6b7280;
  --color-primary: #111827;
  --color-primary-hover: #374151;
  --color-accent: #059669;
  --color-amazon: #f59e0b;
  --color-amazon-hover: #d97706;
  --color-bg-light: #f9fafb;
  --color-bg-card: #f3f4f6;
  --color-border: #e5e7eb;
  --container-max: 1140px;
  --container-prose: 860px;
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: #ffffff;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: relative;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-logo img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-dark);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #000000;
  border-bottom-color: #000000;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-dark);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: #f7f7f7;
  background-image: url('../../images/juice-bar-43-3.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 90px 20px;
  text-align: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(1px);
}

.hero-content {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #222222;
  line-height: 1.15;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: clamp(16px, 2.4vw, 21px);
  color: #4b5563;
  font-weight: 500;
}

/* ==========================================================================
   Intro Section
   ========================================================================== */
.prose-section {
  max-width: var(--container-prose);
  margin: 0 auto;
  padding: 56px 24px 32px;
}

.intro-text p {
  font-size: 16.5px;
  line-height: 1.8;
  color: #4b5563;
  margin-bottom: 20px;
}

.intro-text p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Product Showcase Rows (Alternating Layout)
   ========================================================================== */
.products-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 70px;
}

.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
}

.product-row.reverse .product-image {
  order: 2;
}

.product-row.reverse .product-info {
  order: 1;
}

.product-image {
  display: flex;
  justify-content: center;
}

.product-image a {
  display: inline-block;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.product-image a:hover {
  transform: translateY(-4px) scale(1.02);
}

.product-image img {
  max-width: 360px;
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.product-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #1f2937;
  line-height: 1.2;
  margin-bottom: 12px;
}

.product-desc {
  font-size: 16px;
  color: #4b5563;
  margin-bottom: 20px;
  line-height: 1.7;
}

.product-bullets-title {
  font-size: 15px;
  font-weight: 700;
  color: #1f2937;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.product-bullets {
  list-style: none;
  margin-bottom: 28px;
}

.product-bullets li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 15px;
  color: #4b5563;
}

.product-bullets li::before {
  content: "•";
  position: absolute;
  left: 6px;
  top: -1px;
  font-size: 18px;
  color: #111827;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #000000;
  color: #ffffff;
  padding: 13px 34px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background-color: #2b2b2b;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
  color: #ffffff;
}

.btn-amazon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #f7dfa5 0%, #f0c14b 100%);
  border: 1px solid #a88734;
  color: #111827;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.btn-amazon:hover {
  background: linear-gradient(180deg, #f5d78e 0%, #eeb933 100%);
  border-color: #846a29;
  transform: translateY(-1px);
}

.btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-section {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 70px 24px;
}

.testimonials-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 44px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #1f2937;
  margin-bottom: 8px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background-color: #ffffff;
  padding: 32px 28px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.quote-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f3f4f6;
  color: #4b5563;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: #4b5563;
  margin-bottom: 20px;
}

.testimonial-author {
  border-top: 1px solid #f3f4f6;
  padding-top: 14px;
}

.author-name {
  font-weight: 700;
  font-size: 14px;
  color: #1f2937;
}

.author-meta {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Editorial Content & SEO Section
   ========================================================================== */
.editorial-section {
  max-width: var(--container-prose);
  margin: 0 auto;
  padding: 64px 24px 70px;
}

.editorial-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #1f2937;
  line-height: 1.25;
  margin-bottom: 20px;
}

.editorial-section h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1f2937;
  margin-top: 36px;
  margin-bottom: 14px;
}

.editorial-section p {
  font-size: 16px;
  line-height: 1.8;
  color: #4b5563;
  margin-bottom: 18px;
}

.editorial-list {
  list-style: none;
  margin: 18px 0 24px;
}

.editorial-list li {
  padding-left: 28px;
  position: relative;
  font-size: 15.5px;
  line-height: 1.75;
  color: #374151;
  margin-bottom: 10px;
}

.editorial-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* Product Grid for Subpages */
.subpage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 40px 0 50px;
}

.subpage-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.subpage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.subpage-card img {
  max-height: 240px;
  width: auto;
  margin: 0 auto 16px;
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.subpage-card h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  margin: 0 0 6px;
}

.subpage-card .card-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.subpage-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: #6b7280;
  flex-grow: 1;
  margin-bottom: 18px;
}

/* ==========================================================================
   Notice / Disclaimer Box
   ========================================================================== */
.notice-box {
  background-color: #f9fafb;
  border-left: 4px solid #9ca3af;
  padding: 18px 22px;
  font-size: 13.5px;
  line-height: 1.65;
  color: #6b7280;
  margin-top: 40px;
  border-radius: 0 6px 6px 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: #1a1a1a;
  color: #9ca3af;
  padding: 44px 24px 32px;
  margin-top: auto;
  font-size: 14px;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
  margin-bottom: 20px;
}

.footer-links a {
  color: #d1d5db;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-credit {
  color: #6b7280;
  font-size: 13px;
}

.footer-credit a {
  color: #9ca3af;
}

.footer-credit a:hover {
  color: #d1d5db;
}

.footer-disclaimer {
  max-width: 800px;
  margin: 20px auto 0;
  font-size: 11.5px;
  line-height: 1.6;
  color: #555555;
  border-top: 1px solid #2d2d2d;
  padding-top: 16px;
}

/* ==========================================================================
   Editorial Extensions & Content Components
   ========================================================================== */
.breadcrumbs {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs a {
  color: #4b5563;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.breadcrumbs a:hover {
  color: #000000;
}

.breadcrumbs .sep {
  color: #9ca3af;
  font-size: 11px;
}

.tip-box {
  background-color: #f0fdf4;
  border-left: 4px solid #16a34a;
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  margin: 32px 0;
  font-size: 15px;
  line-height: 1.65;
  color: #166534;
}

.tip-box h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: #14532d;
}

.checklist-box {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 24px;
  margin: 32px 0;
}

.checklist-box h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 20px;
}

.checklist-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checklist-items li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.5;
}

.checklist-items .check-icon {
  color: #16a34a;
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

/* Featured Book Box in Guides */
.featured-book-banner {
  background: linear-gradient(135deg, #fdfbf7 0%, #f7f3ea 100%);
  border: 2px solid #e5dec9;
  border-radius: 12px;
  padding: 32px;
  margin: 48px 0;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  align-items: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.featured-book-banner .book-img {
  text-align: center;
}

.featured-book-banner .book-img img {
  border-radius: 6px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  margin: 0 auto;
}

.featured-book-banner .book-details h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  letter-spacing: 1px;
  margin: 0 0 6px 0;
  color: #1a1a1a;
}

.featured-book-banner .badge {
  display: inline-block;
  background-color: #000000;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.featured-book-banner p {
  font-size: 15px;
  line-height: 1.6;
  color: #4b5563;
  margin-bottom: 20px;
}

/* Related Guides Grid */
.related-guides-section {
  background-color: #fafafa;
  border-top: 1px solid #e5e7eb;
  padding: 60px 20px;
  margin-top: 60px;
}

.related-guides-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.related-guides-title {
  font-family: var(--font-heading);
  font-size: 28px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 36px;
}

.related-guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.guide-card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.guide-card .guide-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #9ca3af;
  margin-bottom: 8px;
}

.guide-card h3 {
  font-size: 18px;
  margin: 0 0 10px 0;
  line-height: 1.35;
  color: #111827;
}

.guide-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.55;
  flex-grow: 1;
  margin-bottom: 16px;
}

.guide-card .guide-link {
  font-size: 13px;
  font-weight: 700;
  color: #000000;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.guide-card .guide-link:hover {
  text-decoration: underline;
}

/* Multi-Column Footer Grid */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 40px;
  text-align: left;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 13.5px;
  line-height: 1.6;
  color: #9ca3af;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: #d1d5db;
  font-size: 13.5px;
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: #ffffff;
}

/* Table of Contents */
.toc-box {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 20px 24px;
  margin: 28px 0 36px;
}

.toc-title {
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 0 0 12px 0;
  color: #1e293b;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-list li a {
  color: #3b82f6;
  font-size: 14.5px;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.toc-list li a:hover {
  color: #1d4ed8;
}

/* Download Box (Lead / Keyword Magnet) */
.download-card {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 2px solid #bfdbfe;
  border-radius: 12px;
  padding: 32px 28px;
  margin: 44px 0;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  align-items: center;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.08);
}

.download-icon-col {
  text-align: center;
}

.download-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  background-color: #2563eb;
  color: #ffffff;
  border-radius: 50%;
  font-size: 36px;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.download-content-col h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  letter-spacing: 1px;
  margin: 0 0 8px 0;
  color: #1e3a8a;
}

.download-content-col p {
  font-size: 14.5px;
  line-height: 1.6;
  color: #1e40af;
  margin: 0 0 16px 0;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #1d4ed8;
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none !important;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-download:hover {
  background-color: #1e40af;
  transform: translateY(-2px);
}

.download-buttons-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn-download-women {
  background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
  border: 1px solid #0f766e;
}

.btn-download-women:hover {
  background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.btn-download-men {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  border: 1px solid #1d4ed8;
}

.btn-download-men:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Look Inside / Book Previews */
.look-inside-section {
  background-color: #fdfbf7;
  border: 1px solid #e7dfcf;
  border-radius: 12px;
  padding: 36px 28px;
  margin: 48px 0;
  text-align: center;
}

.look-inside-title {
  font-family: var(--font-heading);
  font-size: 24px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: #1a1a1a;
}

.look-inside-subtitle {
  font-size: 15px;
  color: #6b7280;
  max-width: 650px;
  margin: 0 auto 32px;
}

.look-inside-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.look-inside-card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.look-inside-card img {
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  margin: 0 auto 12px;
  max-height: 380px;
  object-fit: contain;
}

.look-inside-card .card-caption {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
}

/* Team & Author Box (E-E-A-T) */
.team-box {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 28px;
  margin: 48px 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
}

.team-box-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid #f3f4f6;
  padding-bottom: 12px;
}

.team-box-title {
  font-family: var(--font-heading);
  font-size: 18px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #111827;
  margin: 0;
}

.team-box-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: #4b5563;
  margin-bottom: 0;
}

/* Scientific References Box */
.references-box {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 24px;
  margin: 40px 0;
  font-size: 12.5px;
  color: #6b7280;
  line-height: 1.6;
}

.references-box h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #374151;
  margin: 0 0 10px 0;
}

.references-list {
  padding-left: 20px;
  margin: 0;
}

.references-list li {
  margin-bottom: 6px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .subpage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .related-guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-book-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  .footer-col ul {
    align-items: center;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
  }
  .nav-links.is-open {
    display: flex;
  }
  .product-row {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }
  .product-row.reverse .product-image {
    order: 1;
  }
  .product-row.reverse .product-info {
    order: 2;
  }
  .product-bullets {
    display: inline-block;
    text-align: left;
  }
  .btn-group {
    justify-content: center;
  }
  .hero-section {
    padding: 60px 16px;
  }
  .subpage-grid {
    grid-template-columns: 1fr;
  }
  .related-guides-grid {
    grid-template-columns: 1fr;
  }
  .look-inside-grid {
    grid-template-columns: 1fr;
  }
  .download-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
}