:root {
  --primary: #FA4616;
  --dark-blue: #0021A5;
  --soft-bg: linear-gradient(135deg, #f7f7f7 0%, #ececec 100%);
  --card-bg: #ffffff;
  --text-muted: #6c757d;
  --max-width: 900px;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
}

/* GLOBAL */

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--soft-bg);
  margin: 0;
  padding: 0;
  color: #222;
}

/* NAVBAR OVERRIDES */

.navbar {
  font-size: 0.95rem;
}

.navbar-brand {
  color: var(--dark-blue) !important;
}

.nav-link {
  color: #444 !important;
}

.nav-link.active,
.nav-link:hover {
  color: var(--dark-blue) !important;
}

/* HERO (HOME) */

.hero {
  text-align: center;
  padding: 160px 20px 120px;
  background: var(--soft-bg);
  margin-top: 56px; /* space for fixed navbar */
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--dark-blue);
  margin-bottom: 10px;
}

.tagline {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 30px;
  color: #333;
  opacity: 0.9;
}

.hero-photo {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  margin: 20px auto 10px;
  display: block;
  border: 4px solid rgba(0,0,0,0.08);
  box-shadow: 0 4px 18px rgba(0,0,0,0.12);
}

.hero-buttons .btn {
  padding: 12px 24px;
  margin: 0 10px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  border: none;
}

/* SUB-HERO (INNER PAGES) */

.sub-hero {
  text-align: center;
  padding: 120px 20px 60px;
  background: var(--soft-bg);
  margin-top: 56px;
}

.sub-hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--dark-blue);
}

/* BUTTONS */

.btn.primary {
  background: var(--primary);
  color: white;
}

.btn.secondary {
  background: white;
  color: var(--dark-blue);
  border: 2px solid var(--dark-blue);
}

.btn.primary:hover {
  background: #d63b12;
  color: #fff;
}

.btn.secondary:hover {
  background: var(--dark-blue);
  color: #fff;
}

/* CONTENT AREA */

.content-area {
  max-width: var(--max-width);
  margin: 40px auto 60px;
}

/* SECTION CARDS */

.section-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 40px;
}

.section-card h2 {
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--dark-blue);
}

.section-card h4 {
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 10px;
}

/* LISTS */

.section-card ul {
  padding-left: 1.2rem;
}

.section-card li {
  margin-bottom: 6px;
}

/* GRID (PORTFOLIO CARDS) */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.project-card {
  background: #fafafa;
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.project-card img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 12px;
  object-fit: cover;
}

/* PHOTO GRID */

.photo-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.photo-grid img {
  width: 180px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: var(--shadow);
}

/* FOOTER */

.footer {
  text-align: center;
  padding: 40px 20px;
  color: #555;
  background: transparent;
}

.footer a {
  color: var(--dark-blue);
  text-decoration: none;
  font-weight: 600;
}

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

/* MODALS */

.modal-content {
  box-shadow: none;
}

/* RESPONSIVE */

@media (max-width: 768px) {
  .hero {
    padding: 130px 16px 80px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .content-area {
    margin: 30px auto 40px;
    padding: 0 16px;
  }

  .photo-grid img {
    width: 48%;
    height: 140px;
  }
}

@media (max-width: 576px) {
  .hero-buttons .btn {
    display: block;
    margin: 8px auto;
    width: 100%;
    max-width: 260px;
  }

  .photo-grid img {
    width: 100%;
    height: 180px;
  }
}