@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

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

:root {
  --ink: #111110;
  --paper: #faf9f7;
  --mid: #6b6b6b;
  --light: #e8e6e1;
  --bg2: #f4f3f0;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* ── UTILS ── */
.label { font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mid); margin-bottom: 1.5rem; display: block; }
.container { max-width: 1100px; margin: 0 auto; }

.btn { display: inline-block; padding: 0.65rem 1.4rem; background: var(--ink); color: var(--paper); font-family: var(--sans); font-size: 0.875rem; font-weight: 500; text-decoration: none; border: none; cursor: pointer; transition: opacity 0.2s, transform 0.15s; border-radius: 2px; }
.btn:hover { opacity: 0.82; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--light); }
.btn-ghost:hover { border-color: var(--ink); opacity: 1; transform: translateY(-1px); }
.btn-white { background: var(--paper); color: var(--ink); }
.btn-outline-white { background: transparent; color: var(--paper); border: 1px solid rgba(255,255,255,0.25); }
.btn-outline-white:hover { border-color: rgba(255,255,255,0.7); opacity: 1; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: rgba(250,249,247,0.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
nav.scrolled { border-bottom-color: var(--light); }
.nav-logo { font-family: var(--serif); font-size: 1.2rem; color: var(--ink); text-decoration: none; }
.nav-links { display: flex; gap: 1.75rem; align-items: center; }
.nav-links a { font-size: 0.85rem; color: var(--mid); text-decoration: none; transition: color 0.2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }

/* ── FOOTER ── */
.site-footer { border-top: 1px solid var(--light); padding: 3rem 2.5rem; }
.site-footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.5rem; }
.footer-logo { font-family: var(--serif); font-size: 1rem; color: var(--mid); text-decoration: none; }
.footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.8rem; color: var(--mid); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--ink); }
.footer-newsletter { display: flex; gap: 0.6rem; }
.footer-newsletter input { padding: 0.6rem 1rem; background: var(--paper); border: 1px solid var(--light); color: var(--ink); font-family: var(--sans); font-size: 0.85rem; outline: none; border-radius: 2px; width: 220px; transition: border-color 0.2s; }
.footer-newsletter input:focus { border-color: var(--ink); }

/* ── FORMS ── */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mid); margin-bottom: 0.5rem; }
.form-group input,
.form-group textarea,
.form-group select { width: 100%; padding: 0.875rem 1rem; background: var(--paper); border: 1px solid var(--light); color: var(--ink); font-family: var(--sans); font-size: 0.95rem; font-weight: 300; outline: none; border-radius: 2px; transition: border-color 0.2s; appearance: none; -webkit-appearance: none; }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--ink); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-disclaimer { font-size: 0.78rem; color: var(--mid); margin-top: 0.75rem; line-height: 1.6; }
.form-disclaimer a { color: var(--ink); }

/* ── PAGE HEADER ── */
.page-header { padding: 10rem 2.5rem 5rem; max-width: 1100px; margin: 0 auto; }
.page-header .label { margin-bottom: 1rem; }
.page-header h1 { font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.08; letter-spacing: -0.02em; max-width: 16ch; }
.page-header h1 em { font-style: italic; color: var(--mid); }
.page-header p { margin-top: 2rem; font-size: 1.05rem; color: var(--mid); font-weight: 300; line-height: 1.75; max-width: 48ch; }

/* ── TOAST ── */
.toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--paper); padding: 0.75rem 1.5rem; border-radius: 2px; font-size: 0.875rem; opacity: 0; transition: all 0.3s; pointer-events: none; z-index: 300; white-space: nowrap; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── SUCCESS PAGE ── */
.success-page { min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 4rem 2rem; }
.success-page .check { font-size: 3rem; margin-bottom: 1.5rem; }
.success-page h2 { font-family: var(--serif); font-size: 2.5rem; letter-spacing: -0.02em; margin-bottom: 1rem; }
.success-page p { font-size: 1rem; color: var(--mid); font-weight: 300; max-width: 36ch; margin: 0 auto 2rem; line-height: 1.7; }

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { opacity: 0; animation: fadeUp 0.7s forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links a:not(.btn):not(:last-of-type) { display: none; }
  .page-header { padding: 8rem 1.5rem 3rem; }
  .site-footer { padding: 2.5rem 1.5rem; }
  .site-footer-inner { flex-direction: column; align-items: flex-start; gap: 2rem; }
  .footer-newsletter { flex-direction: column; }
  .footer-newsletter input { width: 100%; }
}