/* Portfolio Site — Responsive, Accessible Styles */
:root {
  --brand: #0d6efd;
  --dark: #1f2a37;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: var(--bg);
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

/* Header & Nav */
.site-header {
  background: var(--card);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s;
}

.logo:hover {
  color: var(--dark);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid #d1dbe8;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-left: auto;
}

.main-nav {
  background: var(--card);
  border-top: 1px solid #e5e7eb;
}

.main-nav .nav-inner {
  display: flex;
  gap: 12px;
  padding: 8px 0;
}

.nav-link {
  color: var(--dark);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  background: #e6eefc;
  color: var(--brand);
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--brand), #0756d6);
  color: white;
  padding: 60px 0;
  text-align: center;
}

.hero-inner h1 {
  font-size: 2.2rem;
  margin: 0 0 12px 0;
}

.lede {
  opacity: 0.95;
  max-width: 760px;
  margin: 12px auto 24px;
  font-size: 1.1rem;
}

.btn-primary {
  background: white;
  color: var(--brand);
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.btn-secondary {
  background: transparent;
  border: 1px solid #d1dbe8;
  color: var(--dark);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--brand);
  color: var(--brand);
}

/* Sections */
.section {
  padding: 36px 0;
}

.section h1 {
  font-size: 1.8rem;
  margin-top: 0;
}

.section h2 {
  font-size: 1.4rem;
  margin-top: 0;
  margin-bottom: 18px;
}

.section p {
  margin-top: 0;
}

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid #e7eef8;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin: 24px 0;
}

.portfolio-item {
  background: var(--card);
  border: 1px solid #e7eef8;
  border-radius: var(--radius);
  padding: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.portfolio-thumb {
  width: 100%;
  height: 200px;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.portfolio-thumb img {
  width: 100%;          
  height: 100%;        
  object-fit: cover;   
  display: block;       
}


.portfolio-item h3 {
  margin: 12px 0 8px;
  font-size: 1.1rem;
}

.welcome-image {
  width: 100%;
  height: 500px;
  display: block;
}


.role {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.link {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
}

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

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.skill-item {
  background: var(--card);
  border: 1px solid #e7eef8;
  border-radius: var(--radius);
  padding: 18px;
}

.skill-item h3 {
  margin-top: 0;
  color: var(--brand);
}

.skill-item ul {
  margin: 0;
  padding-left: 18px;
}

.skill-item li {
  margin: 6px 0;
}

/* Contact */
.contact-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  margin: 24px 0;
}

.contact-form-box {
  background: var(--card);
  border: 1px solid #e7eef8;
  border-radius: var(--radius);
  padding: 24px;
}

.contact-form .form-row {
  margin-bottom: 16px;
}

.contact-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #d1dbe8;
  font-family: inherit;
  font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.error {
  color: #b91c1c;
  font-size: 0.9rem;
  margin-top: 6px;
  min-height: 18px;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.contact-info {
  background: var(--card);
  border: 1px solid #e7eef8;
  border-radius: var(--radius);
  padding: 24px;
  height: fit-content;
}

.contact-info h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

/* Footer */
.site-footer {
  padding: 24px 0;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid #e9eef6;
  background: var(--card);
  margin-top: 48px;
}

/* Responsive */
@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    gap: 12px;
  }
  .nav-toggle {
    display: inline-block;
  }
  .main-nav {
    display: none;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav .nav-inner {
    flex-direction: column;
    gap: 0;
  }
  .nav-link {
    border-radius: 0;
    padding: 12px;
  }
  .hero-inner h1 {
    font-size: 1.6rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .form-actions {
    flex-direction: column;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
  }
}