/* ===== AF Consulting — Brand Variables ===== */
:root {
  --blue-light: #64B9D7;
  --blue-primary: #0361AB;
  --blue-dark: #19325C;
  --green-light: #E5DF34;
  --green-mid: #B2CD38;
  --green-dark: #49813C;
  --gray-text: #5B5B5B;
  --gray-tagline: #718791;
  --white: #ffffff;
  --off-white: #F5F8FA;
  --max-width: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Raleway', Arial, sans-serif;
  font-weight: 400;
  color: var(--gray-text);
  line-height: 1.65;
  background: var(--white);
}

h1, h2, h3 {
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.25;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--blue-primary); }

p { margin-bottom: 1rem; }

a { color: var(--blue-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

ul.styled-list { margin: 0 0 1rem 1.2rem; }
ul.styled-list li { margin-bottom: 0.4rem; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo img { height: 72px; display: block; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.main-nav a {
  color: var(--gray-text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue-primary);
  border-bottom-color: var(--blue-primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 3px;
  background: var(--blue-dark);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-primary) 55%, var(--blue-light) 100%);
  color: var(--white);
  padding: 3.75rem 0;
  text-align: center;
}

.hero h1 { color: var(--white); margin-bottom: 0.75rem; }
.hero p { color: #E4F1F8; max-width: 640px; margin: 0 auto 1.5rem; font-size: 1.1rem; }

.hero.small { padding: 2.25rem 0; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  background: var(--green-dark);
  color: var(--white);
  padding: 0.85rem 2rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  transition: background 0.2s ease;
}

.btn:hover {
  background: var(--green-mid);
  color: var(--blue-dark);
  text-decoration: none;
}

.btn-outline {
  display: inline-block;
  border: 2px solid var(--white);
  color: var(--white);
  padding: 0.7rem 1.8rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.btn-outline:hover {
  background: var(--white);
  color: var(--blue-primary);
  text-decoration: none;
}

/* ===== Sections ===== */
.section { padding: 4rem 0; }
.section.alt { background: var(--off-white); }

.section-intro {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

/* Home: link cards */
.link-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.link-card {
  background: var(--white);
  border-top: 4px solid var(--blue-primary);
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
  border-radius: 6px;
  padding: 2rem 1.5rem;
  text-align: center;
}

.link-card i { font-size: 2rem; color: var(--blue-primary); margin-bottom: 0.75rem; }
.link-card h3 { margin-bottom: 0.5rem; }
.link-card a.btn { margin-top: 0.75rem; }

/* Philosophy / Permit split */
.split {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 2.5rem;
}

.split .icon-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2.2rem;
  flex-shrink: 0;
}

.split.green .icon-circle {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
}

/* ===== Services ===== */
.service-block {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.75rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid #E3E8EB;
}

.service-block:last-child { border-bottom: none; }

.service-icon {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.6rem;
  color: var(--white);
  flex-shrink: 0;
}

.service-block:nth-child(5n+1) .service-icon { background: linear-gradient(135deg, var(--blue-dark), var(--blue-primary)); }
.service-block:nth-child(5n+2) .service-icon { background: linear-gradient(135deg, var(--blue-primary), var(--blue-light)); }
.service-block:nth-child(5n+3) .service-icon { background: linear-gradient(135deg, var(--green-dark), var(--green-mid)); }
.service-block:nth-child(5n+4) .service-icon { background: linear-gradient(135deg, var(--blue-dark), var(--green-dark)); }
.service-block:nth-child(5n+5) .service-icon { background: linear-gradient(135deg, var(--green-mid), var(--green-light)); color: var(--blue-dark); }

/* ===== Project cards (grid on projects.html) ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.project-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
}

.project-card .project-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--blue-dark);
}

.project-card .project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-card-body { padding: 1.25rem 1.5rem; }

.project-badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.7rem;
  border-radius: 3px;
  margin-bottom: 0.6rem;
  margin-right: 0.6rem;
}

.project-card h3 { margin-bottom: 0; }
.project-card h3 a { color: var(--blue-dark); }
.project-card h3 a:hover { color: var(--blue-primary); text-decoration: none; }

@media (max-width: 700px) {
  .project-grid { grid-template-columns: 1fr; }
}

/* ===== Project detail page ===== */
.project-detail-image {
  max-width: 900px;
  margin: 0 auto 2.5rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.project-detail-image img { width: 100%; display: block; }

.project-detail-body { max-width: 800px; margin: 0 auto; }

.back-link { display: inline-block; margin-top: 2rem; font-weight: 600; }
.back-link i { margin-right: 0.4rem; }

/* ===== Contact ===== */
.contact-box {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--off-white);
  border-radius: 8px;
}

.contact-box i {
  font-size: 2.5rem;
  color: var(--blue-primary);
  margin-bottom: 1rem;
}

.contact-email {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blue-dark);
  background: var(--white);
  border: 2px solid var(--blue-primary);
  padding: 1rem 2rem;
  border-radius: 6px;
}

.contact-email:hover {
  background: var(--blue-primary);
  color: var(--white);
  text-decoration: none;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--blue-dark);
  color: #C7D4DD;
  padding: 0.9375rem 0;
  margin-top: 2rem;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer img { height: 60px; }

.footer-links a {
  color: #C7D4DD;
  margin-left: 1.5rem;
  font-size: 0.9rem;
}

.footer-links a:first-child { margin-left: 0; }

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  color: #8FA3B0;
  margin-top: 0;
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .link-cards { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 70px 1fr; }
  .service-icon { width: 70px; height: 70px; font-size: 1.8rem; }
  .split { grid-template-columns: 60px 1fr; }
  .split .icon-circle { width: 60px; height: 60px; font-size: 1.5rem; }
}

@media (max-width: 700px) {
  .main-nav { position: fixed; top: 84px; left: 0; right: 0; background: var(--white); flex-direction: column; box-shadow: 0 8px 12px rgba(0,0,0,0.08); max-height: 0; overflow: hidden; transition: max-height 0.25s ease; }
  .main-nav.open { max-height: 320px; }
  .main-nav ul { flex-direction: column; padding: 1rem 24px; gap: 0; }
  .main-nav li { border-bottom: 1px solid #eee; }
  .main-nav a { display: block; padding: 0.9rem 0; }
  .nav-toggle { display: flex; }
  h1 { font-size: 1.9rem; }
  .hero { padding: 3.5rem 0; }
  .site-footer .container { justify-content: center; text-align: center; }
  .footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
  .footer-links a { margin-left: 0; }
}