/* ============================================
   IVY COACHING - Main Stylesheet
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #2d5016;
  --color-primary-light: #4a7c28;
  --color-primary-dark: #1a3009;
  --color-accent: #a8c686;
  --color-accent-light: #d4e4c0;
  --color-warm: #f5e6d3;
  --color-warm-dark: #e8c9a8;
  --color-text: #2c2c2c;
  --color-text-light: #666;
  --color-text-muted: #999;
  --color-white: #fff;
  --color-bg: #fafaf7;
  --color-bg-alt: #f0ede8;
  --color-border: #e0ddd6;
  --color-shadow: rgba(45, 80, 22, 0.1);
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --header-height: 80px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

ul {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--color-shadow);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 1px;
}

.logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-warm) 50%, var(--color-accent-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-light) 0%, transparent 70%);
  opacity: 0.4;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
}

.hero-tag {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1.15;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  color: var(--color-primary-light);
}

.hero-text {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 420px;
  height: 500px;
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1rem;
  gap: 12px;
  box-shadow: 0 20px 60px var(--color-shadow);
}

.hero-image-placeholder .leaf-icon {
  font-size: 4rem;
}

.hero-stat {
  position: absolute;
  background: var(--color-white);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.hero-stat.stat-1 {
  bottom: -20px;
  left: -30px;
}

.hero-stat.stat-2 {
  top: 40px;
  right: -30px;
}

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary);
  font-weight: 700;
}

.hero-stat .stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Services Section --- */
.services {
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px var(--color-shadow);
  border-color: var(--color-accent);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- About Preview (Home) --- */
.about-preview {
  background: var(--color-bg);
}

.about-preview .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--color-warm) 0%, var(--color-accent-light) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1rem;
  gap: 12px;
}

.about-image-placeholder .leaf-icon {
  font-size: 3rem;
}

.about-content .section-title {
  margin-bottom: 24px;
}

.about-content p {
  color: var(--color-text-light);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-values {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  margin-bottom: 32px;
}

.value-tag {
  background: var(--color-accent-light);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Testimonials --- */
.testimonials {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.testimonials .section-title {
  color: var(--color-white);
}

.testimonials .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition);
}

.testimonial-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: #f4c542;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 0.85rem;
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-info .role {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* --- Articles Section (Home preview & Articles page) --- */
.articles-preview {
  background: var(--color-white);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.article-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px var(--color-shadow);
  border-color: var(--color-accent);
}

.article-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.article-image-placeholder {
  width: 100%;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.article-body {
  padding: 28px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.article-category {
  background: var(--color-accent-light);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.article-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-card .article-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.article-card .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-card .read-more:hover {
  color: var(--color-primary-light);
  gap: 10px;
}

.articles-center {
  text-align: center;
  margin-top: 48px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 80px 0;
}

.cta-banner .section-title {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin: 0 auto 32px;
}

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

.cta-banner .btn:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.6);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: 0;
}

.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* --- Articles Page Specific --- */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-warm) 100%);
  text-align: center;
}

.page-hero .section-title {
  font-size: 3rem;
  margin-bottom: 12px;
}

.page-hero .section-subtitle {
  margin: 0 auto;
}

.articles-page-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.article-full {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.article-full:hover {
  box-shadow: 0 8px 32px var(--color-shadow);
}

.article-full .article-body {
  padding: 32px;
}

.article-full h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-full .article-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-full .article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.comment-count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- Article Detail (Modal / Expanded) --- */
.article-detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.article-detail-overlay.active {
  display: flex;
}

.article-detail {
  background: var(--color-white);
  border-radius: var(--radius);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.article-detail-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--color-bg);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 1;
}

.article-detail-close:hover {
  background: var(--color-accent-light);
}

.article-detail-header {
  padding: 48px 48px 0;
}

.article-detail-header .article-category {
  margin-bottom: 16px;
  display: inline-block;
}

.article-detail-header h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.article-detail-header .article-meta {
  margin-bottom: 32px;
}

.article-detail-content {
  padding: 0 48px 32px;
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text);
}

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

.article-detail-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--color-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-primary);
}

/* --- Comments Section --- */
.comments-section {
  padding: 32px 48px 48px;
  border-top: 1px solid var(--color-border);
}

.comments-section h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.comment-form input,
.comment-form textarea {
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  resize: vertical;
  transition: border-color var(--transition);
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.comment-form textarea {
  min-height: 100px;
}

.comment-form .btn {
  align-self: flex-start;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comment {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.comment-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-primary-dark);
}

.comment-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.comment-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-left: auto;
}

.comment-body {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- Tips Section --- */
.tips-section {
  background: var(--color-warm);
}

.tips-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.tips-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 8px 32px var(--color-shadow);
}

.tips-form-wrapper h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.tips-form-wrapper > p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.tips-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.tips-display {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tip-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--color-accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.tip-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.tip-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.tip-card .tip-topic {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-primary);
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 12px;
}

/* --- About Page --- */
.about-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-warm) 100%);
}

.about-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-hero-content .section-title {
  font-size: 2.8rem;
}

.about-hero-content p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.about-story {
  background: var(--color-white);
}

.about-story .container {
  max-width: 800px;
}

.about-story h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.about-story p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.9;
}

.about-story blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 20px 28px;
  margin: 32px 0;
  background: var(--color-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary);
  line-height: 1.6;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.philosophy-card {
  text-align: center;
  padding: 32px 24px;
}

.philosophy-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.philosophy-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.philosophy-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Journey Timeline --- */
.journey {
  background: var(--color-bg);
}

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--color-accent);
}

.timeline-item {
  position: relative;
  padding: 0 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-accent);
  z-index: 1;
}

.timeline-content {
  background: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.timeline-item:nth-child(odd) .timeline-content {
  grid-column: 1;
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- Contact Page --- */
.contact-section {
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-text .label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-item-text .value {
  font-weight: 600;
  color: var(--color-text);
}

.contact-form-wrapper {
  background: var(--color-bg);
  padding: 40px;
  border-radius: var(--radius);
}

.contact-form-wrapper h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s ease;
  z-index: 3000;
  font-size: 0.9rem;
}

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

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .services-grid,
  .testimonials-grid,
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-preview .container,
  .tips-container,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 32px;
    gap: 24px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .services-grid,
  .testimonials-grid,
  .articles-grid,
  .articles-page-grid,
  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 40px;
  }

  .timeline::before {
    left: 12px;
  }

  .timeline-item::before {
    left: 12px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: left;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .article-detail-header,
  .article-detail-content,
  .comments-section {
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-hero .section-title {
    font-size: 2.2rem;
  }

  .nav-cta {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}