* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: #111827;
  background: #ffffff;
  line-height: 1.6;
}

img {
  width: 100%;
  display: block;
  border-radius: 20px;
}

a {
  text-decoration: none;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.header {
  padding: 20px 0;
  border-bottom: 1px solid #e5e7eb;
  background: #fff;
  position: sticky;
  top: 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: #374151;
  font-weight: 500;
}

.logo {
  font-size: 1.1rem;
}

.hero {
  padding: 80px 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
}

.tag {
  color: #2563eb;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.subtext {
  font-size: 1.05rem;
  color: #4b5563;
  margin-bottom: 28px;
  max-width: 600px;
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  display: inline-block;
}

.primary {
  background: #2563eb;
  color: white;
}

.secondary {
  border: 1px solid #d1d5db;
  color: #111827;
  background: white;
}

.hero-image img {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.strip {
  padding: 18px 0;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
  background: #f9fafb;
}

.strip p {
  text-align: center;
  color: #4b5563;
}

.section {
  padding: 80px 0;
}

.light {
  background: #f9fafb;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card,
.work-item,
.experience-item,
.contact-box {
  background: white;
  padding: 24px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
}

.card h3,
.work-item h3,
.experience-item h3 {
  margin-bottom: 10px;
}

.card p,
.work-item p,
.experience-item p,
.contact-box p,
.tools {
  color: #4b5563;
}

.work-item,
.experience-item {
  margin-bottom: 18px;
}

.contact-box {
  text-align: center;
  max-width: 760px;
  margin: auto;
}

.contact-box p {
  margin-bottom: 24px;
}

.footer {
  padding: 30px 0;
  border-top: 1px solid #e5e7eb;
  text-align: center;
}

.footer p {
  color: #6b7280;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .hero-content,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  .hero-image {
    order: -1;
  }

  .nav {
    flex-direction: column;
    gap: 12px;
  }
}