/* ======= Global reset ======= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #001B3A;
  color: #f9fafb;
}

/* ======= Main container ======= */
main.projects {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

/* ======= Header styling ======= */
header {
  text-align: center;     /* centers everything inside header */
  margin-top: 4rem;       /* pushes the header down from top of page */
}

/* ======= Site title ======= */
.site-title {
  text-align: center;
  margin-top: 2.5rem;
  color: #f9fafb;
  font-weight: 700;
  margin-bottom: 0.5rem;  /* space between name and subtitle */
}

/* ======= Section title ======= */
.section-title {
  font-size: 1.50rem;        /* clearly smaller */
  font-weight: 600;         /* intentional, not default bold */
  letter-spacing: 0.02em;   /* adds clarity at small sizes */
  text-transform: uppercase; /* optional but very effective */
  color: #ECF0F1;           /* grayish white */
  text-align: center;
  margin-bottom: 2rem;
}

/* ======= Subtitle ======= */
.subtitle {
  color: #d1d5db;
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 2rem;    /* space before projects section */
}


/* ======= Projects grid ======= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

/* ======= Individual card ======= */
.project-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #f9fafb;
  border-radius: 14px;
  padding: 2rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.1);
}

/* ======= Project titles ======= */
.project-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  text-align: center;
}

/* ======= Description text ======= */
.description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #374151;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* ======= Tags ======= */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  justify-content: center;
}

.tags span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background-color: #eef2ff;
  color: #3730a3;
}

/* ======= Project links ======= */
.project-link {
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  color: #2563eb;
}

.project-link:hover {
  text-decoration: underline;
}

/* ======= Image previews (Accessible Form) ======= */
.project-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.25rem;
  border: 1px solid #e5e7eb;
}

/* ======= Figma preview container (ALL SAME SIZE) ======= */
.prototype-preview {
  width: 100%;
  height: 260px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  border: 1px solid #e5e7eb;
}

.prototype-preview iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ======= Footer ======= */
footer {
  text-align: center;
  padding: 2rem;
  color: #555;
  font-size: 0.9rem;
}

footer a {
  color: #2563eb;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}