:root {
  --blue: #2c4a7c;
  --blue-light: #b8c9dc;
  --white: #ffffff;
  --black: #1a1a1a;
  --gray: #6b6b6b;
}

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

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background: var(--white);
  color: var(--black);
  scroll-behavior: smooth;
}

.spine {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 80px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.spine-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 2rem;
  letter-spacing: 0.3rem;
  color: var(--blue);
  font-weight: 300;
}

.spine-text strong {
  font-weight: 700;
  letter-spacing: 0.5rem;
}

main { margin-left: 80px; }

nav {
  position: fixed;
  top: 0;
  left: 80px;
  right: 0;
  background: rgba(255,255,255,0.95);
  padding: 1.2rem 2rem;
  z-index: 90;
  display: flex;
  gap: 2rem;
  border-bottom: 1px solid #eee;
}

nav a {
  color: var(--black);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.05rem;
  text-transform: uppercase;
}

nav a:hover { color: var(--blue); }

section {
  min-height: 100vh;
  padding: 6rem 3rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#home h1 {
  font-size: 3rem;
  font-weight: 300;
  color: var(--blue);
  margin-bottom: 1rem;
}

#home p.subtitle {
  font-size: 1.1rem;
  color: var(--gray);
}

#about, #vision { max-width: 700px; }

h2 {
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--blue);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

p { line-height: 1.7; margin-bottom: 1rem; color: #333; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.gallery-grid img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  filter: grayscale(10%);
  transition: filter 0.3s;
}

.gallery-grid img:hover { filter: grayscale(0%); }

.contact-info { font-size: 1.1rem; line-height: 2; }
.contact-info a { color: var(--blue); text-decoration: none; }

footer {
  padding: 2rem 3rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray);
  border-top: 1px solid #eee;
}

footer a { color: var(--gray); margin: 0 0.5rem; }

@media (max-width: 768px) {
  .spine { width: 50px; }
  .spine-text { font-size: 1.2rem; letter-spacing: 0.15rem; }
  main { margin-left: 50px; }
  nav { left: 50px; padding: 1rem; gap: 1rem; flex-wrap: wrap; }
  nav a { font-size: 0.75rem; }
  section { padding: 5rem 1.2rem 2rem; }
  #home h1 { font-size: 2rem; }
  h2 { font-size: 1.4rem; }
}