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

:root {
  --primary: #e11d2e;
  --dark: #0f172a;
  --dark-2: #111827;
  --text: #334155;
  --muted: #64748b;
  --light: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--light);
  color: var(--text);
  line-height: 1.7;
}

.site-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  max-width: 1180px;
  margin: auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  text-decoration: none;
  color: var(--dark);
  font-size: 24px;
  font-weight: 800;
}

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

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}

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

.hero {
  max-width: 1180px;
  margin: auto;
  padding: 90px 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-block;
  color: var(--primary);
  background: rgba(225, 29, 46, 0.1);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  color: var(--dark);
  margin-bottom: 16px;
}

.hero h2 {
  color: var(--dark-2);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
  margin-bottom: 18px;
}

.hero-text {
  font-size: 18px;
  max-width: 720px;
  color: var(--muted);
}

.hero-buttons {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 700;
  display: inline-block;
}

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

.btn.secondary {
  background: var(--white);
  color: var(--dark);
  border: 1px solid var(--border);
}

.hero-card {
  background: linear-gradient(145deg, #ffffff, #f1f5f9);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 36px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.profile-circle {
  width: 140px;
  height: 140px;
  background: var(--dark);
  color: var(--white);
  border: 8px solid rgba(225, 29, 46, 0.18);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 42px;
  font-weight: 800;
  margin: 0 auto 20px;
}

.hero-card h3 {
  color: var(--dark);
  font-size: 24px;
}

.hero-card p,
.hero-card span {
  display: block;
  color: var(--muted);
}

.hero-card strong {
  display: block;
  color: var(--primary);
  margin-top: 10px;
}

.section {
  max-width: 1180px;
  margin: auto;
  padding: 75px 24px;
}

.dark-section {
  max-width: 100%;
  background: var(--dark);
  color: var(--white);
}

.dark-section > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  margin-bottom: 34px;
}

.section-title p {
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
}

.section-title h2 {
  color: var(--dark);
  font-size: clamp(30px, 4vw, 44px);
  margin-top: 6px;
}

.dark-section .section-title h2 {
  color: var(--white);
}

.about-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 34px;
  font-size: 18px;
  box-shadow: 0 15px 40px rgba(15, 23, 42, 0.06);
}

.timeline {
  display: grid;
  gap: 24px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 28px;
}

.year {
  color: var(--primary);
  font-weight: 800;
}

.timeline-content h3 {
  font-size: 24px;
  color: var(--white);
}

.timeline-content h4 {
  color: #cbd5e1;
  margin-bottom: 12px;
}

.timeline-content ul {
  padding-left: 18px;
  color: #e2e8f0;
}

.cards {
  display: grid;
  gap: 22px;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.cards.four {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.card h3 {
  color: var(--dark);
  margin-bottom: 8px;
}

.card span,
.card strong {
  color: var(--primary);
  font-weight: 800;
}

.awards-section {
  padding-top: 20px;
}

.icon {
  display: block;
  font-size: 34px;
  margin-bottom: 10px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skills-grid span {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 16px;
  color: #e2e8f0;
  font-weight: 600;
}

.project p {
  color: var(--muted);
}

.contact-section {
  padding-top: 20px;
}

.contact-card {
  background: linear-gradient(135deg, var(--dark), #1e293b);
  color: var(--white);
  border-radius: 28px;
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.contact-card h2 {
  font-size: 38px;
  margin-bottom: 12px;
}

.contact-card p {
  color: #cbd5e1;
}

.contact-info {
  display: grid;
  gap: 14px;
}

.contact-info a,
.contact-info span {
  color: var(--white);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.08);
  padding: 14px 16px;
  border-radius: 12px;
}

footer {
  text-align: center;
  padding: 26px;
  background: var(--white);
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero,
  .timeline-item,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .cards.three,
  .cards.four,
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .hero {
    padding: 55px 18px;
  }

  .section {
    padding: 55px 18px;
  }

  .cards.three,
  .cards.four,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 28px;
  }
}