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

:root {
  --bg-primary: #0d0d0d;
  --bg-card: #f5f5f7;
  --text-primary: #ffffff;
  --text-secondary: #86868b;
  --text-dark: #1d1d1f;
  --accent: #0099ff;
}

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: transparent;
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(10px);
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
}

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

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

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

.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 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: radial-gradient(ellipse at center, #1a1a1a 0%, var(--bg-primary) 70%);
}

.hero-content {
  max-width: 800px;
}

.profile-img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 32px;
  border: 3px solid rgba(255, 255, 255, 0.1);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 49px);
  font-weight: 400;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 strong {
  font-weight: 700;
}

.hero .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-links a,
.hero-links span {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s;
}

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

/* Clients Strip */
.clients {
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.clients-inner {
  text-align: center;
}

.clients-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.clients-track {
  display: flex;
  animation: scroll 25s linear infinite;
  width: max-content;
}

.clients-list {
  display: flex;
  align-items: center;
  gap: 64px;
  padding: 0 32px;
}

.clients-list img {
  height: 32px;
  width: auto;
  opacity: 0.7;
  filter: brightness(0) invert(1);
  transition: opacity 0.3s;
  flex-shrink: 0;
}

.clients-list img:hover {
  opacity: 1;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Competencies Section */
.competencies-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.competency-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.3s ease;
}

.competency-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.competency-item h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.competency-item h3::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.competency-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .competencies-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Section Styles */
section {
  padding: 50px 24px;
}

.section-header {
  max-width: 1200px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Ventures Grid */
.ventures-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.venture-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border-radius: 18px;
  padding: 32px;
  color: var(--text-dark);
  transition: transform 0.3s, box-shadow 0.3s;
}

.venture-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.venture-logo {
  position: absolute;
  bottom: 5px;
  right: 5px;
  height: 80px;
  max-width: 200px;
  opacity: 0.07;
  filter: brightness(0);
  pointer-events: none;
}

.venture-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.venture-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.venture-tag {
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.venture-card .description {
  font-size: 1rem;
  color: #6e6e73;
  margin-bottom: 20px;
  line-height: 1.5;
}

.venture-metrics {
  list-style: none;
  margin-bottom: 16px;
}

.venture-metrics li {
  font-size: 0.95rem;
  color: var(--text-dark);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
}

.venture-metrics li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.venture-period {
  font-size: 0.85rem;
  color: #86868b;
}

/* Career Timeline */
.career-section {
  background: rgba(255, 255, 255, 0.02);
}

.career-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.career-item {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-left: 2px solid var(--accent);
}

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

.career-logo {
  height: 48px;
  width: auto;
}

.career-logo-divider {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.career-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.career-item .role {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.career-item .stat {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.career-item .period {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 8px;
}

.career-item .achievements {
  list-style: none;
  margin-top: 12px;
}

.career-item .achievements li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
}

.career-item .achievements li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* Skills */
.skills-section {
  padding: 50px 24px;
}

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

.skills-group {
  margin-bottom: 32px;
}

.skills-group h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.08);
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.3s, color 0.3s;
}

.skill-tag:hover {
  background: var(--accent);
  color: var(--text-primary);
}

/* Footer */
footer {
  padding: 60px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s;
}

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

footer p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 99;
  padding: 100px 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu a {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 600;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.3s;
}

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

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .ventures-grid,
  .career-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .hero h1 {
    font-size: 28px;
  }

  .profile-img {
    width: 140px;
    height: 140px;
  }

  .clients-list {
    gap: 40px;
  }

  .clients-list img {
    height: 24px;
  }

  .clients-track {
    animation-duration: 15s;
  }

  section {
    padding: 60px 24px;
  }
}