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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #222222;
  background: #f4f1ec;
}

.skip-link {
  position: absolute;
  top: -50px;
  left: 16px;
  background: #222222;
  color: #ffffff;
  padding: 10px 14px;
  z-index: 1000;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

.portfolio-header {
  background: #20242c;
  color: #ffffff;
  min-height: 70vh;
}

.portfolio-nav {
  width: min(1100px, 90%);
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.logo {
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  letter-spacing: 1px;
}

.portfolio-nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
}

.portfolio-nav a {
  color: #ffffff;
  text-decoration: none;
}

.portfolio-nav a:hover,
.portfolio-nav a:focus {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.hero {
  width: min(1100px, 90%);
  margin: 0 auto;
  padding: 100px 0 120px;
}

.small-title {
  color: #d69b45;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: bold;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.hero h1 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1;
  max-width: 800px;
  margin-bottom: 22px;
}

.hero-text {
  font-size: 1.2rem;
  max-width: 620px;
  color: #eeeeee;
}

.section {
  width: min(1100px, 90%);
  margin: 0 auto;
  padding: 70px 0;
}

.section-title {
  margin-bottom: 30px;
}

.section-title h2,
.about-box h2 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 4vw, 3rem);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: #ffffff;
  padding: 26px;
  border: 1px solid #ddd6cc;
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
}

.project-card span {
  display: inline-block;
  color: #b67422;
  font-weight: bold;
  margin-bottom: 12px;
}

.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.project-card p {
  color: #555555;
  margin-bottom: 18px;
}

.project-card a {
  color: #8a4f12;
  font-weight: bold;
  text-decoration: none;
}

.project-card a:hover,
.project-card a:focus {
  text-decoration: underline;
}

.about-box {
  border-top: 1px solid #ddd6cc;
}

.about-box p {
  max-width: 720px;
  margin-top: 15px;
}

.portfolio-footer {
  background: #20242c;
  color: #ffffff;
  text-align: center;
  padding: 28px 16px;
}

@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .portfolio-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .portfolio-nav ul {
    flex-direction: column;
    gap: 10px;
  }

  .hero {
    padding: 70px 0 90px;
  }

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