/* =========================
   Layout Container
   ========================= */

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* =========================
   Header Layout
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  transform: translateY(0);
  transition:
    transform 0.28s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.header-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex: 1;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* =========================
   Hero Layout
   ========================= */

.hero-section {
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 5rem 0;
  background: var(--color-page-bg);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 3rem;
}

.hero-content {
  max-width: 860px;
}

/* =========================
   Section Layout
   ========================= */

.section {
  padding: 5rem 0;
}

.section-muted {
  background: transparent;
}

.section-heading {
  margin-bottom: 2rem;
}

/* =========================
   About Layout
   ========================= */

.about-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    align-items: center;
    gap: 4rem;
}

/* =========================
   Grid Layout
   ========================= */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card-grid-two {
  grid-template-columns: repeat(2, 1fr);
}

/* =========================
   Project Layout
   ========================= */

.project-list {
  display: grid;
  gap: 3rem;
}

/* =========================
   Timeline Layout
   ========================= */

.timeline {
  display: grid;
  gap: 1rem;
}

/* =========================
   Footer Layout
   ========================= */

.site-footer {
  padding: 2rem 0;
  background: #0f172a;
  color: #ffffff;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.site-footer p {
  margin-bottom: 0;
  color: #cbd5e1;
}

/* =========================
   Mobile Layout
   ========================= */

@media (max-width: 768px) {
  .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .home-link {
    order: 1;
  }

  .nav-toggle {
    order: 2;
    position: relative;
    z-index: 200;
  }

  .site-nav {
    order: 3;
    display: none;
    width: 100%;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 0.75rem 0;
    border-top: 1px solid var(--color-border);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 0.85rem 0;
    text-align: center;
  }

  .hero-section {
    min-height: auto;
    padding: 4rem 0;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-avatar-wrapper {
    order: -1;
  }

  .section {
    padding: 3.5rem 0;
  }

  .card-grid,
  .card-grid-two {
    grid-template-columns: 1fr;
  }

  .footer-container {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .about-layout{
      grid-template-columns:1fr;
      gap:2rem;
  }

  .about-image-wrapper{
      order:2;
      margin:auto;
  }

}