body {
  font-family: 'Poppins', sans-serif;
  background: #FAFAF7;
  color: #222;
  margin: 0;
  padding: 0;
}

/* ====== NAVIGATION ====== */
nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1.2rem;
  position: fixed;
  width: 100%;
  top: 0;
  background: rgba(10, 59, 46, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
}

nav a {
  text-decoration: none;
  color: #FAFAF7;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: "";
  display: block;
  height: 2px;
  background: #8A9A5B;
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

nav a:hover::after {
  transform: scaleX(1);
}

nav a.active {
  color: #8A9A5B;
  font-weight: 600;
}

/* ====== INTRO SECTION ====== */
.intro {
  max-width: 900px;
  margin: 7rem auto 3rem;
  padding: 2rem;
  text-align: center;
}

.intro h1 {
  color: #0A3B2E;
  font-size: 2.8rem;
  margin-bottom: 1.2rem;
}

.intro .lead {
  font-size: 1.1rem;
  color: #333;
  line-height: 1.7;
}

.resume-btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.8rem 2rem;
  background: linear-gradient(90deg, #8A9A5B, #254441);
  color: #F8F7F4;
  font-weight: 600;
  border-radius: 40px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resume-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(138, 154, 91, 0.4);
}

/* ====== TIMELINE ====== */
.timeline {
  width: 85%;
  margin: 3rem auto;
  position: relative;
}

.timeline h2 {
  text-align: center;
  color: #0A3B2E;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.timeline-item {
  display: flex;
  justify-content: flex-start;
  margin: 2rem 0;
}

.timeline-item.right {
  justify-content: flex-end;
}

.timeline-item .content {
  background: #8A9A5B;
  padding: 1.5rem;
  border-radius: 12px;
  max-width: 45%;
  color: #FAFAF7;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.timeline-item.right .content {
  background: #918C83;
}

/* ====== SKILLS ====== */
.skills {
  width: 85%;
  margin: 4rem auto;
}

.skills h2 {
  text-align: center;
  color: #0A3B2E;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: #fff;
  border: 2px solid #918C83;
  border-radius: 10px;
  padding: 1rem;
  transition: transform 0.2s ease, border-color 0.3s ease;
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: #8A9A5B;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .timeline-item .content {
    max-width: 90%;
  }

  .intro h1 {
    font-size: 2.2rem;
  }
}