*, *::before, *::after { box-sizing: border-box; }

:root {
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --paper: #fafaf9;
  --white: #ffffff;
  --accent: #059669;
  --accent-soft: #d1fae5;
  --focus: #059669;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--ink);
  color: white;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.bg-grain {
  position: fixed; inset: 0; z-index: 50; pointer-events: none;
  opacity: 0.22; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.glass-nav {
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.mobile-menu { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.mobile-menu.open { max-height: 28rem; }

.icon { display: inline-block; flex-shrink: 0; vertical-align: middle; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

.service-card, .process-card, .trust-card, .problem-item, .case-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover, .process-card:hover, .case-card:hover {
  border-color: #d6d3d1;
  box-shadow: 0 12px 30px -16px rgba(28,25,23,0.18);
}

.problem-item { font-size: 0.95rem; line-height: 1.45; color: #44403c; padding: 1.15rem 1.2rem; }
.service-card { padding: 1.75rem; }
.process-card { padding: 1.35rem 1.35rem 1.5rem; height: 100%; }

.btn-primary {
  background: var(--ink);
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1.35rem;
  border-radius: 0.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: background 0.2s ease;
}
.btn-primary:hover { background: #292524; }
.btn-inverse {
  background: white;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1.35rem;
  border-radius: 0.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}
.btn-inverse:hover { background: #f5f5f4; }
a.btn-primary, a.btn-secondary, a.btn-inverse { text-decoration: none; }
a.btn-primary { color: white; }
a.btn-inverse { color: var(--ink); }
a.btn-secondary { color: #44403c; }
.btn-secondary {
  background: white;
  color: #44403c;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1.35rem;
  border-radius: 0.6rem;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn-secondary:hover { border-color: #d6d3d1; box-shadow: 0 4px 12px -6px rgba(28,25,23,0.2); }

.browser-mockup {
  background: #1c1917;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 40px -18px rgba(28,25,23,0.35);
}
.browser-bar {
  display: flex; align-items: center; gap: 6px; padding: 10px 14px;
  background: #292524; border-bottom: 1px solid #44403c;
}
.browser-dot { width: 9px; height: 9px; border-radius: 50%; }
.browser-url {
  flex: 1; margin-left: 10px; background: #1c1917; border-radius: 6px;
  padding: 5px 10px; font-size: 11px; color: #a8a29e;
}
.browser-shot {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top center;
  background: #f5f5f4;
}
@media (min-width: 768px) {
  .browser-shot { height: 280px; }
  .browser-shot--lg { height: 360px; }
}

.site-preview {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  contain: layout paint size;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 280px;
  max-width: 100%;
  background-color: #f5f5f4;
}
.site-preview--lg { height: 360px; }
@media (min-width: 640px) {
  .site-preview { height: 320px; }
  .site-preview--lg { height: 420px; }
}
@media (min-width: 1024px) {
  .site-preview--lg { height: 480px; }
}
.site-preview-stage {
  position: relative;
  width: 1280px;
  height: 900px;
  flex-shrink: 0;
  transform: scale(0.38);
  transform-origin: center center;
  background: white;
  box-shadow: 0 25px 50px -12px rgba(28, 25, 23, 0.25), 0 0 0 1px rgba(28, 25, 23, 0.06);
  overflow: hidden;
}
.site-preview--lg .site-preview-stage { transform: scale(0.52); }
@media (min-width: 768px) {
  .site-preview .site-preview-stage { transform: scale(0.42); }
  .site-preview--lg .site-preview-stage { transform: scale(0.62); }
}
.site-preview-stage iframe,
.site-preview-stage img {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
  object-fit: cover;
  object-position: top center;
  background: white;
}
.site-preview-link {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.flow {
  display: grid;
  gap: 1rem;
}
@media (min-width: 900px) {
  .flow { grid-template-columns: 1fr auto 1fr; align-items: stretch; }
}
.flow-col {
  background: white;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem;
}
.flow-col h3 { margin: 0 0 1rem; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.flow-step {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.flow-step:last-child { border-bottom: 0; }
.flow-num {
  width: 1.5rem; height: 1.5rem; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 600; flex-shrink: 0;
}
.flow-before .flow-num { background: #f5f5f4; color: #57534e; }
.flow-after .flow-num { background: var(--accent-soft); color: #047857; }
.flow-arrow {
  display: none;
  color: var(--muted);
  font-size: 1.4rem;
  align-self: center;
}
@media (min-width: 900px) { .flow-arrow { display: block; } }

.field { display: flex; flex-direction: column; gap: 0.35rem; text-align: left; }
.field label { font-size: 0.8rem; font-weight: 500; color: #44403c; }
.field .hint { font-size: 0.75rem; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--ink);
}
.field input:user-invalid, .field select:user-invalid, .field textarea:user-invalid {
  border-color: #e11d48;
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.crumbs {
  display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center;
  font-size: 0.8rem; color: var(--muted);
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); }

.prose h2 { font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; margin: 2rem 0 0.75rem; }
.prose h3 { font-size: 1.05rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.prose p, .prose li { color: #57534e; line-height: 1.7; font-size: 0.98rem; }
.prose ul { padding-left: 1.15rem; display: grid; gap: 0.4rem; }
.prose a { color: #047857; font-weight: 500; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
}