/* ============================================
   MODERN MINIMAL DESIGN SYSTEM
   Clean, fun, and professional
   ============================================ */

/* Root Variables */
:root {
  --primary: #1a1a1a;
  --secondary: #6366f1;
  --accent: #ec4899;
  --light: #f8f9fa;
  --border: #e5e7eb;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --success: #10b981;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-dark);
  background-color: #ffffff;
  line-height: 1.6;
}

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

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  font-family: 'Syne', sans-serif;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-menu li {
  list-style: none;
}

.nav-menu a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu.mobile-open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-lg);
  gap: var(--spacing-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.nav-menu.mobile-open li {
  padding: var(--spacing-sm) 0;
}

.nav-menu.mobile-open a {
  display: block;
  font-weight: 600;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  margin-top: 80px;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: linear-gradient(135deg, #f8f9fa 0%, #f0f4ff 100%);
  position: relative;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text {
  flex: 1;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-pic {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

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

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

.hero-accent {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(99,102,241,0.1)" stroke-width="1"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(99,102,241,0.1)" stroke-width="1"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(99,102,241,0.1)" stroke-width="1"/></svg>');
  opacity: 0.5;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background-color: #ffffff;
}

.about-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.about-content p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-content strong {
  color: var(--secondary);
  font-weight: 700;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  font-family: 'Syne', sans-serif;
}

.stat-label {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ============================================
   EXPERTISE SECTION
   ============================================ */

.expertise {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: #f8f9fa;
}

.expertise-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  color: var(--primary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.expertise-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.expertise-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border-color: var(--secondary);
}

.expertise-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-family: 'Syne', sans-serif;
}

.expertise-card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================
   CASE STUDIES SECTION
   ============================================ */

.case-studies {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background-color: #ffffff;
}

.case-studies-container {
  max-width: 1200px;
  margin: 0 auto;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.case-study-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-study-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.case-study-header {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  color: white;
}

.case-study-metric {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  margin-bottom: var(--spacing-xs);
}

.case-study-metric-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

.case-study-body {
  padding: var(--spacing-lg);
}

.case-study-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-family: 'Syne', sans-serif;
}

.case-study-description {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  display: inline-block;
  background: #f0f4ff;
  color: var(--secondary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

/* ============================================
   PARTNERS SECTION
   ============================================ */

.partners {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: #f8f9fa;
}

.partners-container {
  max-width: 1200px;
  margin: 0 auto;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.partner-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.partner-logo {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.partner-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-family: 'Syne', sans-serif;
}

.partner-description {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   TIMELINE SECTION
   ============================================ */

.timeline {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background-color: #ffffff;
}

.timeline-container {
  max-width: 900px;
  margin: 0 auto;
}

.timeline-list {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--secondary) 0%, var(--accent) 100%);
}

.timeline-item {
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: 50%;
  padding-right: var(--spacing-lg);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50%;
  margin-right: 0;
  padding-left: var(--spacing-lg);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: white;
  border: 3px solid var(--secondary);
  border-radius: 50%;
  z-index: 10;
}

.timeline-content {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.timeline-content:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.timeline-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
  font-family: 'Syne', sans-serif;
}

.role {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.timeline-content p {
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  color: white;
  text-align: center;
}

.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.contact h2 {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  margin-bottom: var(--spacing-md);
}

.contact p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  color: white;
  font-weight: 600;
  transition: var(--transition);
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background: var(--primary);
  color: white;
  padding: var(--spacing-lg);
  text-align: center;
  font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    display: none;
    gap: var(--spacing-md);
    font-size: 0.9rem;
  }

  .nav-menu li {
    width: 100%;
  }

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

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .profile-pic {
    width: 280px;
    height: 280px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .about-container {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

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

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

  .case-studies-grid {
    grid-template-columns: 1fr;
  }

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

  .timeline-list::before {
    left: 10px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 50px;
    margin-right: 0;
    padding-left: var(--spacing-lg);
  }

  .timeline-dot {
    left: 10px;
  }

  .contact-links {
    flex-direction: column;
  }

  .contact-link {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    display: none;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
  }

  .nav-brand {
    font-size: 1.2rem;
  }

  .hero {
    margin-top: 70px;
    min-height: auto;
    padding: var(--spacing-lg);
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .profile-pic {
    width: 220px;
    height: 220px;
  }

  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }

  .about {
    padding: var(--spacing-lg);
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .about-content h2 {
    font-size: 1.75rem;
  }

  .about-content p {
    font-size: 0.95rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .expertise {
    padding: var(--spacing-lg);
  }

  .section-title {
    font-size: 1.5rem;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .expertise-card {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .expertise-card h3 {
    font-size: 1.1rem;
  }

  .expertise-card p {
    font-size: 0.9rem;
  }

  .case-studies {
    padding: var(--spacing-lg);
  }

  .case-studies-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .case-study-metric {
    font-size: 1.5rem;
  }

  .case-study-title {
    font-size: 1.1rem;
  }

  .case-study-description {
    font-size: 0.9rem;
  }

  .partners {
    padding: var(--spacing-lg);
  }

  .partners-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .partner-card {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .partner-name {
    font-size: 1.1rem;
  }

  .timeline {
    padding: var(--spacing-lg);
  }

  .timeline-list::before {
    left: 8px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 40px;
    margin-right: 0;
    padding-left: var(--spacing-md);
  }

  .timeline-dot {
    left: 8px;
    width: 12px;
    height: 12px;
  }

  .timeline-title {
    font-size: 1.1rem;
  }

  .timeline-content {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .timeline-content p {
    font-size: 0.9rem;
  }

  .contact {
    padding: var(--spacing-lg);
  }

  .contact h2 {
    font-size: 1.75rem;
  }

  .contact p {
    font-size: 1rem;
  }

  .contact-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .contact-link {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 0.9rem;
  }

  footer {
    padding: var(--spacing-md);
    font-size: 0.8rem;
  }
}