:root {
  --brand: #0010ff;
  --black: #111111;
  --white: #ffffff;
  --gray: #f5f5f5;
  --mid-gray: #e0e0e0;
  --text-muted: #666666;
  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 4rem;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--mid-gray);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-logo span { color: var(--brand); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--black);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--brand); }

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

.btn-black:hover {
  background: var(--brand);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
}

/* FOOTER */
footer {
  background: var(--black);
  color: var(--white);
  padding: 4rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-brand .logo span { color: var(--brand); }

.footer-brand p {
  color: #aaa;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #aaa;
  margin-bottom: 1.2rem;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 0.6rem; }

.footer-col ul li a {
  text-decoration: none;
  color: var(--white);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--brand); }

.footer-newsletter h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #aaa;
  margin-bottom: 1.2rem;
}

.footer-newsletter p {
  font-size: 0.85rem;
  color: #aaa;
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: #222;
  border: 1px solid #333;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
}

.newsletter-form input::placeholder { color: #666; }

.newsletter-form button {
  padding: 0.75rem 1.2rem;
  background: var(--brand);
  color: var(--white);
  border: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.newsletter-form button:hover { background: #0008cc; }

.footer-bottom {
  background: var(--black);
  border-top: 1px solid #222;
  padding: 1.5rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: #555;
  font-size: 0.8rem;
}

/* SECTION COMMON */
section { padding: 6rem 4rem; }

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--brand);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.8;
}

/* ANIMATE ON SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 0.8rem; }
  section { padding: 4rem 1.5rem; }
  footer {
    grid-template-columns: 1fr 1fr;
    padding: 3rem 1.5rem;
    gap: 2rem;
  }
  .footer-bottom { padding: 1.5rem; flex-direction: column; gap: 0.5rem; text-align: center; }
}