/* ========================================
   Personal Website - Main Stylesheet
   ======================================== */

/* ========================================
   CSS Variables - Color Palette
   ======================================== */
:root {
  /* Primary Colors */
  --color-primary: #16a34a;
  --color-primary-light: #22c55e;
  --color-primary-dark: #15803d;

  /* Secondary Colors */
  --color-accent: #4ade80;
  --color-sky: #dcfce7;

  /* Background Colors */
  --bg-light-blue: #f0fdf4;
  --bg-soft-blue: #dcfce7;
  --bg-white: #ffffff;
  --bg-gray-light: #f8fafc;
  --bg-gray: #e2e8f0;

  /* Text Colors */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #f1f5f9;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 8rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 2rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

h5 {
  font-size: 1.25rem;
  font-weight: 600;
}

h6 {
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

p {
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
}

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

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

/* ========================================
   Utility Classes
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.highlight {
  color: var(--color-primary);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  z-index: 1;
}

.section-subtitle {
  margin-bottom: 0.5rem;
  display: inline-block;
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.1) 0%, rgba(22, 163, 74, 0.05) 100%);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
}

.section-title {
  margin-bottom: 0;
  position: relative;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* ========================================
   Navigation Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar {
  padding: 1.5rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition-base);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  padding-top: 6rem;
  overflow: hidden;
}

.hero-bg-decoration {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  background-size: cover;
  background-position: center;
}

.hero-bg-decoration.decoration-circles {
  background-image: url('../images/backgrounds/bg-circles-pattern-01.svg');
  animation: float 20s ease-in-out infinite;
}

.hero-bg-decoration.decoration-triangles {
  background-image: url('../images/backgrounds/bg-triangles-pattern-01.svg');
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(2deg);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-name {
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero-name .highlight {
  color: rgba(255, 255, 255, 0.95);
}

.hero-text h1 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 2.75rem;
  line-height: 1.3;
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--text-light);
  line-height: 1.6;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.hero-subtitle em {
  font-style: italic;
  color: white;
  font-weight: 600;
}

.hero-cta {
  margin-top: 2rem;
}

.hero-cta .btn {
  background-color: white;
  color: var(--color-primary);
  font-size: 1.125rem;
  padding: 1.25rem 2.5rem;
}

.hero-cta .btn:hover {
  background-color: var(--bg-light-blue);
  transform: translateY(-3px);
}

/* Hero Image */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.profile-photo {
  position: relative;
  z-index: 2;
}

.profile-image {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  object-fit: cover;
  border: 8px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: pulse 3s ease-in-out infinite;
  transition: all var(--transition-base);
}

.profile-image:hover {
  transform: scale(1.05) rotate(2deg);
}

.photo-placeholder {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  font-weight: 800;
  color: white;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Floating Decorations */
.floating-decoration {
  position: absolute;
  border-radius: 50%;
  opacity: 0.2;
  animation: float-random 6s ease-in-out infinite;
}

.floating-decoration.decoration-1 {
  width: 100px;
  height: 100px;
  background-color: var(--color-accent);
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.floating-decoration.decoration-2 {
  width: 60px;
  height: 60px;
  background-color: var(--color-sky);
  bottom: 20%;
  right: -5%;
  animation-delay: 1s;
}

.floating-decoration.decoration-3 {
  width: 80px;
  height: 80px;
  background-color: var(--color-primary-light);
  top: 60%;
  left: 5%;
  animation-delay: 2s;
}

@keyframes float-random {
  0%, 100% {
    transform: translate(0, 0);
  }
  33% {
    transform: translate(10px, -10px);
  }
  66% {
    transform: translate(-10px, 10px);
  }
}

/* Wave Divider */
.wave-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  width: 100%;
  line-height: 0;
}

.wave-divider img {
  width: 100%;
  height: auto;
  display: block;
}

.wave-divider.bottom {
  position: relative;
  bottom: 0;
  margin-top: -1px;
}

/* ========================================
   Philosophy Section
   ======================================== */
.philosophy-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light-blue) 100%);
  position: relative;
  overflow: hidden;
}

.philosophy-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.philosophy-section::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  bottom: -50px;
  left: -50px;
  pointer-events: none;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.philosophy-card {
  background-color: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.philosophy-card:hover .card-icon {
  background-color: var(--color-primary);
  transform: scale(1.1) rotate(5deg);
}

.philosophy-card:hover .card-icon svg {
  color: white;
}

.card-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(22, 163, 74, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.1);
}

.card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.philosophy-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.philosophy-card p {
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
  color: var(--text-secondary);
}

.philosophy-card p em {
  font-style: italic;
  color: var(--color-primary);
  font-weight: 600;
}

/* ========================================
   Journey/Timeline Section
   ======================================== */
.journey-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(180deg, var(--bg-light-blue) 0%, var(--bg-white) 100%);
  position: relative;
  overflow: hidden;
}

.journey-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  border: 4px solid white;
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
}

.timeline-content {
  width: calc(50% - 40px);
  background-color: transparent;
  padding: 0 2rem;
  border-radius: 0;
  box-shadow: none;
  transition: all var(--transition-base);
  border: none;
}

.timeline-content:hover {
  transform: translateX(-5px);
}

.timeline-item:nth-child(odd) .timeline-content:hover {
  transform: translateX(5px);
}

.timeline-period {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: inline-block;
  background-color: var(--bg-light-blue);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
}

.timeline-company {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.timeline-role {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.timeline-highlight {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  font-style: italic;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.08) 0%, rgba(22, 163, 74, 0.03) 100%);
  border-left: 3px solid var(--color-primary);
  line-height: 1.5;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.timeline-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ========================================
   Featured Section
   ======================================== */
.featured-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light-blue) 100%);
  position: relative;
  overflow: hidden;
}

.featured-section::before {
  content: '';
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  bottom: -100px;
  right: 10%;
  pointer-events: none;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  grid-template-rows: auto auto;
  gap: 3rem 2.5rem;
}

.featured-card {
  background-color: transparent;
  border: none;
  border-bottom: 2px solid var(--bg-gray);
  padding: 0 0 2rem 0;
  border-radius: 0;
  transition: all var(--transition-base);
}

.featured-card:first-child {
  grid-row: 1 / 3;
  border-bottom: none;
  border-right: 2px solid var(--bg-gray);
  padding: 0 3rem 0 0;
}

.featured-card:hover {
  border-color: var(--color-primary);
  transform: translateX(5px);
}

.featured-card:first-child:hover {
  transform: translateX(0) scale(1.02);
}

.featured-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(22, 163, 74, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
}

.featured-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.featured-card:hover .featured-icon {
  background-color: var(--color-primary);
  transform: scale(1.1) rotate(5deg);
}

.featured-card:hover .featured-icon svg {
  color: white;
}

.featured-icon.award-icon {
  background-color: rgba(245, 158, 11, 0.1);
}

.featured-icon.award-icon svg {
  color: #f59e0b;
}

.featured-card:hover .featured-icon.award-icon {
  background-color: #f59e0b;
}

.featured-card:hover .featured-icon.award-icon svg {
  color: white;
}

.featured-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 700;
}

.featured-card:first-child h3 {
  font-size: 1.875rem;
  margin-bottom: 1rem;
}

.featured-source {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  display: inline-block;
}

.featured-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.featured-card:first-child .featured-description {
  font-size: 1.125rem;
  line-height: 1.8;
}

.featured-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-base);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.featured-link:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary-dark);
}

/* Expert Insights Subsection */
.expert-insights-container {
  margin-top: 5rem;
  padding-top: 4rem;
  border-top: 2px solid var(--bg-gray);
  position: relative;
}

.expert-insights-header {
  text-align: center;
  margin-bottom: 3rem;
}

.expert-insights-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.expert-insights-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 400;
}

.expert-insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 2rem;
  position: relative;
}

.expert-insight-card {
  background-color: var(--bg-white);
  border: 2px solid var(--bg-gray);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.expert-insight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.expert-insight-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.expert-insight-card:hover::before {
  transform: scaleX(1);
}

.insight-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  width: fit-content;
}

.badge-strategy {
  background-color: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.badge-ai {
  background-color: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.badge-data {
  background-color: rgba(236, 72, 153, 0.1);
  color: #ec4899;
}

.badge-sustainability {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--color-primary);
}

.insight-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
  flex-grow: 0;
}

.insight-source {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.insight-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.insight-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-base);
  margin-top: auto;
}

.insight-link:hover {
  color: var(--color-primary-dark);
  transform: translateX(3px);
}

/* ========================================
   Portfolio CTA Section
   ======================================== */
.portfolio-cta-section {
  padding: var(--spacing-lg) 0;
  background: linear-gradient(135deg, var(--bg-light-blue) 0%, var(--bg-soft-blue) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.portfolio-cta-section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  top: -150px;
  left: 10%;
  pointer-events: none;
}

.portfolio-cta-section::after {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  bottom: -125px;
  right: 15%;
  pointer-events: none;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.cta-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--text-light);
  padding: 3rem 0;
  text-align: center;
}

.footer-content p {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.footer-tagline {
  font-style: italic;
  opacity: 0.8;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: white;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.social-links a:hover {
  background-color: white;
  color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.social-links svg {
  width: 24px;
  height: 24px;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 992px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-text {
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .profile-image,
  .photo-placeholder {
    width: 300px;
    height: 300px;
    font-size: 4rem;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 3rem 0;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .featured-card:first-child {
    grid-row: auto;
    border-right: none;
    border-bottom: 2px solid var(--bg-gray);
    padding: 0 0 2.5rem 0;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item {
    flex-direction: row !important;
    padding-left: 40px;
  }

  .timeline-marker {
    left: 0;
  }

  .timeline-content {
    width: 100%;
  }

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

  .expert-insights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  body {
    font-size: 16px;
  }

  .container {
    padding: 0 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-section {
    padding-top: 5rem;
    min-height: auto;
    padding-bottom: 4rem;
  }

  .hero-text h1 {
    font-size: 1.75rem;
  }

  .hero-tagline {
    font-size: 1.125rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .profile-image,
  .photo-placeholder {
    width: 250px;
    height: 250px;
    font-size: 3rem;
  }

  .floating-decoration {
    display: none;
  }

  .philosophy-section,
  .journey-section,
  .featured-section {
    padding: var(--spacing-lg) 0;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .timeline-item {
    margin-bottom: 2rem;
  }

  .expert-insights-container {
    margin-top: 3rem;
    padding-top: 2.5rem;
  }

  .expert-insights-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .expert-insight-card {
    padding: 1.5rem;
  }

  .insight-title {
    font-size: 1.0625rem;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-cta .btn {
    width: 100%;
    padding: 1rem;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .philosophy-card {
    padding: 2rem;
  }

  .philosophy-card h3 {
    font-size: 1.25rem;
  }

  .timeline-content {
    padding: 0 1.5rem;
  }

  .timeline-company {
    font-size: 1.5rem;
  }

  .timeline-highlight {
    font-size: 0.9375rem;
    padding: 0.625rem 1rem;
  }

  .featured-card:first-child h3 {
    font-size: 1.5rem;
  }

  .featured-card:first-child .featured-description {
    font-size: 1rem;
  }
}

/* ========================================
   Animation Utilities
   ======================================== */
.wow {
  visibility: hidden;
}