/* ─── Reset & Base ─────────────────────────────────────────────────── */

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

:root {
  --teal:      #4ECDA4;
  --teal-dark: #3ab891;
  --navy:      #0D1B2A;
  --navy-mid:  #2a3a4a;
  --muted:     #6b7c8d;
  --bg:        #ffffff;
  --surface:   #f7f9fb;
  --border:    #e8edf2;

  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
          Helvetica, Arial, sans-serif;

  --radius: 14px;
  --shadow-card: 0 2px 8px rgba(13, 27, 42, 0.07);
  --shadow-card-hover: 0 8px 28px rgba(13, 27, 42, 0.13);
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--navy);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  display: block;
  max-width: 100%;
}

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

/* ─── Layout Helpers ───────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 780px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ─── Hero ─────────────────────────────────────────────────────────── */

.hero {
  padding: 80px 24px 72px;
  text-align: center;
}

.hero-inner {
  max-width: 560px;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.logo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  flex-shrink: 0;
}

.brand-name {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--navy);
}

.tagline {
  font-size: 1.125rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ─── Projects ─────────────────────────────────────────────────────── */

.projects {
  flex: 1;
  padding-block: 8px 80px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ─── Project Card ─────────────────────────────────────────────────── */

.project-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.project-card:hover,
.project-card:focus-visible {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--teal);
  outline: none;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.project-name {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: rgba(78, 205, 164, 0.12);
  border: 1px solid rgba(78, 205, 164, 0.3);
  border-radius: 20px;
  padding: 3px 9px;
  white-space: nowrap;
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--navy-mid);
  line-height: 1.65;
  flex: 1;
}

.card-arrow {
  font-size: 1.1rem;
  color: var(--teal);
  align-self: flex-end;
  transition: transform 0.2s ease;
}

.project-card:hover .card-arrow {
  transform: translateX(4px);
}

/* ─── Footer ───────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding-block: 28px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-credit {
  font-size: 0.875rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-icon-link {
  color: var(--muted);
  transition: color 0.15s ease;
  display: flex;
  align-items: center;
}

.footer-icon-link:hover {
  color: var(--teal-dark);
}


/* ─── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .hero {
    padding: 56px 24px 52px;
  }

  .brand {
    flex-direction: column;
    gap: 12px;
  }

  .brand-name {
    font-size: 1.6rem;
  }

  .tagline {
    font-size: 1rem;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}