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

body {
  font-family: 'Inter', sans-serif;
  background: #f0f4fa;  /* soft blue-gray background */
  color: #1a2c3e;
  scroll-behavior: smooth;
  line-height: 1.55;
}

/* ---------- FIXED HEADER (navy/blue) ---------- */
.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #0a2540;  /* deep navy */
  backdrop-filter: blur(0px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  border-bottom: 1px solid #1e88e5;
}

.top-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem 0.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.name-title h1 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: white;
}
.name-title p {
  font-size: 0.85rem;
  font-weight: 500;
  color: #90caf9;
  margin-top: 0.2rem;
}

.lang-switch {
  background: rgba(30, 136, 229, 0.2);
  border: 1px solid #1e88e5;
  padding: 0.5rem 1.2rem;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang-switch i {
  font-size: 1rem;
}
.lang-switch:hover {
  background: #1e88e5;
  color: #0a2540;
  border-color: #1e88e5;
  transform: scale(0.96);
}

.nav-menu {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.7rem 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.8rem;
  border-top: 1px solid rgba(30, 136, 229, 0.3);
}
.mini-name {
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
  margin-right: 1rem;
  letter-spacing: -0.3px;
  display: none;
}
.nav-menu a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: #e0e8f0;
  transition: 0.2s;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: #64b5f6;
  border-bottom-color: #1e88e5;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 1.5rem 4rem 1.5rem;
}

/* HERO CARD (blue background for about) */
.hero-card {
  background: linear-gradient(135deg, #0a2540 0%, #1e3a5f 100%);
  color: white;
  border-radius: 32px;
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.2);
}
.hero-card .section-title {
  color: white;
  border-left-color: #64b5f6;
  background: rgba(255,255,255,0.1);
}
.hero-card p {
  color: #e3f2fd;
}

/* WHITE CARDS for other sections */
.card {
  background: white;
  border-radius: 28px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  padding: 2rem 2rem 2.2rem 2rem;
  margin-bottom: 2.5rem;
  transition: transform 0.25s ease, box-shadow 0.3s;
  border: 1px solid #e0e8f0;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 28px -8px rgba(0, 0, 0, 0.1);
}

/* SECTION TITLES (blue accent) */
.section-title {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 1.6rem;
  display: inline-block;
  background: #e8f0fe;
  border-left: 5px solid #1e88e5;
  padding: 0.3rem 1.2rem 0.3rem 1rem;
  border-radius: 0 40px 40px 0;
  letter-spacing: -0.3px;
  color: #0a2540;
}

/* Projects card special: header with arrow */
.projects-card .projects-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.arrow-link {
  background: #1e88e5;
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.4rem;
  transition: 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.arrow-link:hover {
  background: #0d47a1;
  transform: translateX(4px);
}
.view-all-hint {
  font-size: 0.8rem;
  color: #5a7d9a;
  margin-top: 1rem;
  text-align: right;
}

/* item styling */
.item-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: baseline;
  margin-bottom: 0.3rem;
}
.item-title {
  font-weight: 800;
  font-size: 1.2rem;
  color: #0a2540;
}
.item-date {
  font-size: 0.75rem;
  color: #5a7d9a;
  background: #e8f0fe;
  padding: 0.2rem 0.8rem;
  border-radius: 30px;
}
.item-sub {
  font-weight: 600;
  color: #1e88e5;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.desc-list {
  padding-left: 1.2rem;
  margin-top: 0.6rem;
}
.desc-list li {
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
  color: #2c3e50;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}
.skill-tag {
  background: #e8f0fe;
  border: 0.5px solid #90caf9;
  padding: 0.45rem 1.2rem;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 500;
  color: #0a2540;
  transition: 0.1s;
}
.skill-tag:hover {
  background: #1e88e5;
  color: white;
}

hr {
  margin: 1rem 0;
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, #1e88e5, transparent);
}

.contact-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 0.5rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.95rem;
  color: #2c3e50;
}
.contact-item i {
  width: 26px;
  color: #1e88e5;
}

footer {
  text-align: center;
  padding: 2rem 0 1rem;
  font-size: 0.75rem;
  color: #5a7d9a;
  border-top: 1px solid #dce5f0;
  margin-top: 1rem;
}

/* RESPONSIVE */
@media (max-width: 700px) {
  .container {
    padding-top: 160px;
  }
  .card, .hero-card {
    padding: 1.5rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.8rem 1.5rem 0.3rem 1.5rem;
  }
  .nav-menu {
    padding: 0.5rem 1.2rem;
    gap: 0.6rem 1.2rem;
  }
  .mini-name {
    font-size: 1rem;
  }
  .arrow-link {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

section {
  scroll-margin-top: 100px;
}