:root {
  --ink: #16181d;
  --muted: #5b5f68;
  --line: #e4e4e7;
  --bg: #ffffff;
  --soft: #f4f4f5;
  --copper: #c4652d;
  --copper-dark: #a5531f;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Manrope, system-ui, sans-serif; color: var(--ink); background: var(--bg); font-size: 16px; line-height: 24px; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { text-wrap: balance; font-weight: 700; letter-spacing: -0.02em; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; border-radius: 4px; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 800px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 16px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--copper); color: #fff; font-weight: 600; font-size: 16px; line-height: 24px; padding: 8px 12px; border-radius: 8px; transition: all 700ms var(--ease); }
.btn:hover { background: var(--copper-dark); transform: translateY(-2px); }
.btn:active { transform: scale(0.98); }
.btn-sm { font-size: 14px; line-height: 20px; }

/* Floating island nav */
.nav-wrap { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; justify-content: center; padding: 24px 16px 0; pointer-events: none; }
.nav { pointer-events: auto; display: flex; align-items: center; gap: 32px; padding: 8px 8px 8px 24px; border-radius: 9999px; background: rgba(255, 255, 255, 0.82); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border: 1px solid rgba(0, 0, 0, 0.06); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08); }
.nav-logo img { height: 32px; width: auto; }
.nav-links { display: flex; gap: 24px; list-style: none; font-size: 14px; line-height: 20px; font-weight: 500; color: var(--muted); }
.nav-links a { transition: color 700ms var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.burger { display: none; position: relative; width: 40px; height: 40px; border: 0; background: transparent; cursor: pointer; border-radius: 9999px; }
.burger span { position: absolute; left: 12px; width: 16px; height: 2px; background: var(--ink); transition: all 700ms var(--ease); }
.burger span:first-child { top: 16px; }
.burger span:last-child { top: 22px; }
.burger[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 40; display: flex; flex-direction: column; justify-content: center; gap: 24px; padding: 0 32px; background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(64px); -webkit-backdrop-filter: blur(64px); font-size: 30px; line-height: 36px; font-weight: 600; }
.menu[hidden] { display: none; }
.menu a { transform: translateY(48px); opacity: 0; transition: all 700ms var(--ease); }
.menu.open a { transform: translateY(0); opacity: 1; }
.menu.open a:nth-child(1) { transition-delay: 100ms; }
.menu.open a:nth-child(2) { transition-delay: 150ms; }
.menu.open a:nth-child(3) { transition-delay: 200ms; }
.menu.open a:nth-child(4) { transition-delay: 250ms; }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background: rgba(10, 12, 16, 0.55); }
.hero-inner { position: relative; padding-bottom: 96px; padding-top: 160px; }
.hero h1 { max-width: 680px; font-size: 60px; line-height: 1; background: linear-gradient(90deg, #ffffff, #9b9b9b); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { max-width: 680px; margin: 24px 0 32px; font-size: 20px; line-height: 28px; color: rgba(255, 255, 255, 0.86); }

/* Sections */
.section { padding-top: 96px; padding-bottom: 96px; }
.eyebrow { font-size: 14px; line-height: 20px; font-weight: 600; color: var(--copper); margin-bottom: 12px; }
.section h2 { font-size: 36px; line-height: 40px; max-width: 680px; margin-bottom: 48px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--bg); transition: all 700ms var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08); }
.card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.card-body { padding: 24px; }
.card h3 { font-size: 18px; line-height: 28px; margin-bottom: 8px; }
.card p { font-size: 14px; line-height: 20px; color: var(--muted); }

/* Tagline reveal */
.tagline { padding-top: 64px; padding-bottom: 64px; }
.tagline-text { max-width: 900px; font-size: 48px; line-height: 1.1; font-weight: 600; letter-spacing: -0.02em; text-wrap: balance; }
.tagline-text .w { color: rgba(22, 24, 29, 0.28); transition: color 700ms var(--ease); }
.tagline-text .w.on { color: var(--ink); }

/* Process */
.process { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.process-img { border-radius: 16px; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.steps { list-style: none; display: flex; flex-direction: column; gap: 32px; }
.steps li { display: flex; gap: 24px; }
.step-n { font-size: 14px; line-height: 20px; font-weight: 700; color: var(--copper); padding-top: 4px; }
.steps h3 { font-size: 20px; line-height: 28px; margin-bottom: 4px; }
.steps p { color: var(--muted); }

/* FAQ */
.faq { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.faq details + details { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 24px; font-weight: 600; font-size: 18px; line-height: 28px; transition: background 700ms var(--ease); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { background: var(--soft); }
.faq summary i { color: var(--copper); transition: transform 700ms var(--ease); }
.faq details[open] summary i { transform: rotate(45deg); }
.faq details p { padding: 0 24px 24px; color: var(--muted); }

/* Contact */
.contact { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 48px; border-radius: 24px; background: var(--ink); color: #fff; }
.contact h2 { color: #fff; margin-bottom: 12px; font-size: 36px; line-height: 40px; }
.contact p { color: rgba(255, 255, 255, 0.72); }
.contact-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; flex-shrink: 0; }
.contact-meta { display: flex; align-items: center; gap: 8px; font-size: 14px; line-height: 20px; }

/* Footer */
.footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 32px; padding-bottom: 48px; border-top: 1px solid var(--line); font-size: 14px; line-height: 20px; color: var(--muted); }
.footer img { height: 32px; width: auto; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(64px); filter: blur(12px); transition: opacity 900ms var(--ease), transform 900ms var(--ease), filter 900ms var(--ease); }
.reveal.in { opacity: 1; transform: none; filter: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; filter: none; }
  * { transition: none !important; }
}

@media (max-width: 1000px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav { gap: 16px; padding-left: 16px; }
  .nav-links, .nav .btn-sm { display: none; }
  .burger { display: block; }
  .hero h1 { font-size: 36px; line-height: 40px; }
  .hero h1 br { display: none; }
  .hero-sub { font-size: 18px; line-height: 28px; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  .section h2, .contact h2 { font-size: 30px; line-height: 36px; }
  .grid { grid-template-columns: 1fr; }
  .tagline-text { font-size: 36px; line-height: 40px; }
  .contact { flex-direction: column; align-items: flex-start; padding: 32px; }
  .footer { flex-direction: column; align-items: flex-start; }
}