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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #f8f7f3;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

nav,
section,
footer {
  max-width: 900px;
  margin: 0 auto;
  padding-left: 1.2rem;
  padding-right: 1.2rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1rem;
}

.logo span {
  color: #7c5c2b;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1rem;
  font-size: 0.92rem;
  color: #555;
}

section {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.hero {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.hero-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.tag {
  display: inline-block;
  margin-bottom: 0.8rem;
  font-size: 0.8rem;
  color: #6b4f2a;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 1rem;
  font-weight: 700;
}

h1 span {
  color: #7c5c2b;
}

.hero p,
.about p,
.project p,
.contact p {
  color: #4a4a4a;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
}

.btn.primary {
  background: #1f1f1f;
  color: #fff;
}

.btn.secondary {
  border: 1px solid #d7d2c7;
  color: #222;
  background: transparent;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 1.25rem;
}

.section-title span {
  color: #7c5c2b;
}

.about {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 1.4rem;
}

.about-card {
  background: #fff;
  border: 1px solid #ece4d8;
  border-radius: 14px;
  padding: 1rem;
}

.about-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill {
  background: #fff;
  border: 1px solid #ece4d8;
  border-radius: 999px;
  padding: 0.5rem 0.8rem;
  font-size: 0.92rem;
  color: #333;
}

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.project {
  background: #fff;
  border: 1px solid #ece4d8;
  border-radius: 16px;
  padding: 1rem;
}

.project-number {
  color: #9a8d7d;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.project h3 {
  margin-bottom: 0.35rem;
}

.project a {
  color: #7c5c2b;
  font-weight: 600;
}

.contact {
  text-align: center;
}

footer {
  text-align: center;
  padding-top: 1rem;
  padding-bottom: 3rem;
  color: #666;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  nav {
    flex-direction: column;
    gap: 0.8rem;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}