@import url("https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700;800&display=swap");

:root {
  --ink: #0a0a0a;
  --ink-2: #3d3d3d;
  --muted: #7a7a7a;
  --line: #e6e6e6;
  --paper: #ffffff;
  --wash: #f5f5f3;
  --radius: 14px;
  --font: "Inter Tight", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--paper); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.wrap { width: min(1160px, 100% - 48px); margin-inline: auto; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 36px; height: 36px; }
.brand span { font-weight: 800; letter-spacing: -.02em; font-size: 19px; text-transform: uppercase; }
.brand span b { font-weight: 400; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { text-decoration: none; font-weight: 500; color: var(--ink-2); font-size: 15px; }
.nav a:not(.btn):hover { color: var(--ink); }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--ink); color: #fff; border: 1.5px solid var(--ink); border-radius: 999px; padding: 12px 22px; font: 600 15px/1 var(--font); text-decoration: none; cursor: pointer; transition: transform .15s, background .15s, color .15s; }
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.btn.lg { padding: 18px 30px; font-size: 17px; }
.btn.block { width: 100%; }

/* Type */
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.02; margin: 0; }
h1 { font-size: clamp(48px, 8.5vw, 112px); font-weight: 800; }
h2 { font-size: clamp(36px, 5vw, 60px); font-weight: 800; }
h3 { font-size: 22px; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.lead { font-size: clamp(18px, 2vw, 22px); color: var(--ink-2); max-width: 34ch; }

section { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 56px; flex-wrap: wrap; }
.section-head p { max-width: 42ch; color: var(--ink-2); margin: 0; }

/* Footer */
.site-footer { background: var(--ink); color: #fff; padding: 64px 0 40px; }
.site-footer .wrap { display: grid; gap: 40px; grid-template-columns: 2fr 1fr 1fr; }
.site-footer .brand img { filter: invert(1); }
.site-footer p, .site-footer a { color: #a3a3a3; text-decoration: none; font-size: 15px; }
.site-footer a:hover { color: #fff; }
.site-footer h4 { margin: 0 0 14px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid #262626; padding-top: 24px; font-size: 13px; color: #6b6b6b; }
@media (max-width: 720px) { .site-footer .wrap { grid-template-columns: 1fr; } }

/* Forms */
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
input, textarea, select { font: 400 16px var(--font); color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: 10px; padding: 13px 14px; width: 100%; transition: border-color .15s; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--ink); }
textarea { resize: vertical; min-height: 90px; }
.field-row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }
.check { display: flex; gap: 10px; align-items: center; font-weight: 500; }
.check input { width: 18px; height: 18px; accent-color: var(--ink); }

.notice { border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 14px 18px; font-size: 15px; background: var(--wash); }
.notice.error { background: #fff; border-color: #b00020; color: #b00020; }
[hidden] { display: none !important; }