:root {
  --paper: #F6F1E8;
  --paper-2: #EFE8DC;
  --ink: #16131C;
  --mute: #5C5666;
  --rose: #E43D64;
  --rose-dark: #C21F48;
  --soft: #FBE4EA;
  --line: #E4DCD0;
  --white: #FFFcf7;
  --dark: #16131C;
  --dark-2: #221E2A;
  --max: 1180px;
  --nav-h: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  font-family: Manrope, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 750; letter-spacing: .12em;
  text-transform: uppercase; color: var(--rose);
}
h1, h2, h3, .serif { font-family: Fraunces, Georgia, serif; font-weight: 560; letter-spacing: -.03em; line-height: 1.08; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 999px; padding: 13px 22px;
  font-weight: 750; font-size: 14.5px; cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-rose { background: var(--rose); color: #fff; }
.btn-rose:hover { background: var(--rose-dark); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost.light { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.28); }
.btn-dark { background: var(--ink); color: #fff; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 40;
  height: var(--nav-h);
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -.03em; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 26px; font-weight: 650; font-size: 14.5px; }
.nav-links a { color: var(--mute); }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.burger { display: none; border: 0; background: transparent; width: 42px; height: 42px; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 7px 8px; }

/* HERO */
.hero { padding: 42px 0 20px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6.4vw, 78px); margin: 14px 0 18px; }
.hero p.lead { font-size: 18.5px; color: var(--mute); max-width: 520px; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--mute); font-weight: 650; }

.os {
  background: var(--dark);
  color: #fff;
  border-radius: 28px;
  padding: 16px 16px 20px;
  box-shadow: 0 30px 80px rgba(22,19,28,.22);
  transform: rotate(1.2deg);
}
.os-bar { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px 14px; }
.os-dots { display: flex; gap: 6px; }
.os-dots i { width: 9px; height: 9px; border-radius: 50%; background: #3a3544; display: block; }
.os-bar strong { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: #b7b0c2; font-weight: 750; }
.os-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.tile {
  background: #221E2A;
  border-radius: 16px;
  padding: 14px 12px 12px;
  min-height: 92px;
}
.tile b { display: block; font-size: 13.5px; font-weight: 750; }
.tile span { display: block; margin-top: 4px; font-size: 11.5px; color: #9a93a6; font-weight: 600; }
.tile .dot { width: 8px; height: 8px; border-radius: 50%; margin-bottom: 10px; }

/* STRIP */
.strip { padding: 36px 0 10px; color: var(--mute); font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; justify-content: space-between; }

/* SECTIONS */
.sec { padding: 88px 0; }
.sec.tight { padding: 56px 0; }
.sec h2 { font-size: clamp(34px, 4.6vw, 56px); margin: 10px 0 16px; }
.sec .intro { max-width: 560px; color: var(--mute); font-size: 17px; }
.center { text-align: center; }
.center .intro { margin: 0 auto 36px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px 22px 24px;
  min-height: 210px;
  display: flex; flex-direction: column;
}
.card .ico {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 16px;
  background: var(--soft); color: var(--rose);
}
.card h3 { font-size: 26px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--mute); font-size: 14.5px; flex: 1; }
.card a.more { margin-top: 16px; font-weight: 750; font-size: 13.5px; color: var(--rose); }

.mods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 40px; }
.mod {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: 26px; overflow: hidden;
}
.mod.rev { direction: rtl; }
.mod.rev > * { direction: ltr; }
.mod-copy { padding: 36px 32px; display: flex; flex-direction: column; justify-content: center; }
.mod-copy h3 { font-size: 32px; margin: 8px 0 10px; }
.mod-copy p { color: var(--mute); margin: 0 0 16px; }
.mod-copy ul { margin: 0; padding: 0; list-style: none; }
.mod-copy li { padding: 6px 0 6px 18px; position: relative; font-weight: 650; font-size: 14.5px; }
.mod-copy li:before { content: ""; position: absolute; left: 0; top: 13px; width: 7px; height: 7px; border-radius: 50%; background: var(--rose); }
.mod-viz { background: var(--paper-2); min-height: 280px; display: grid; place-items: center; padding: 24px; }
.viz {
  width: 100%; max-width: 340px; background: var(--dark); color: #fff;
  border-radius: 18px; padding: 16px; box-shadow: 0 18px 40px rgba(22,19,28,.16);
}
.viz .row { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: #b7b0c2; margin-bottom: 10px; font-weight: 700; }
.bar { height: 10px; border-radius: 99px; background: #2c2736; overflow: hidden; margin: 8px 0; }
.bar i { display: block; height: 100%; background: var(--rose); border-radius: inherit; }
.chip { display: inline-flex; padding: 5px 9px; border-radius: 99px; background: #2c2736; font-size: 11px; font-weight: 700; margin: 3px; }

.impact { background: var(--dark); color: #fff; }
.impact .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.impact h2 { color: #fff; }
.impact .intro { color: #b7b0c2; }
.nums { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.num { background: #221E2A; border-radius: 20px; padding: 22px; }
.num b { display: block; font-family: Fraunces, serif; font-size: 46px; letter-spacing: -.04em; }
.num span { color: #b7b0c2; font-weight: 650; font-size: 14px; }

.faq { max-width: 760px; margin: 36px auto 0; }
.faq details {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  padding: 16px 18px; margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 750; font-size: 16px; }
.faq p { color: var(--mute); margin: 10px 0 0; }

.cta {
  background: linear-gradient(180deg, #FBE4EA, #F6F1E8);
  border-top: 1px solid var(--line);
}
.cta-box {
  background: var(--ink); color: #fff; border-radius: 32px; padding: 56px 48px;
  display: flex; justify-content: space-between; align-items: center; gap: 28px;
}
.cta-box h2 { color: #fff; margin: 0 0 10px; font-size: clamp(32px, 4vw, 48px); }
.cta-box p { color: #b7b0c2; margin: 0; max-width: 460px; }

.foot { padding: 48px 0 28px; border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.foot h4 { margin: 0 0 12px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); font-family: Manrope, sans-serif; font-weight: 800; }
.foot a { display: block; padding: 5px 0; color: var(--ink); font-weight: 650; font-size: 14.5px; }
.foot a:hover { color: var(--rose); }
.legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--mute); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* DEMO */
.demo-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; padding: 36px 0 80px; }
.form {
  background: var(--white); border: 1px solid var(--line); border-radius: 26px; padding: 28px;
}
.fld { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.fld.half { width: calc(50% - 6px); }
.row2 { display: flex; gap: 12px; }
.fld label { font-size: 12.5px; font-weight: 750; }
.fld input, .fld select, .fld textarea {
  border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 12px;
  background: #fff; color: var(--ink);
}
.fld input:focus, .fld select:focus, .fld textarea:focus { outline: none; border-color: var(--rose); }
.form-ok { display: none; padding: 28px; text-align: center; }
.form.done .fields { display: none; }
.form.done .form-ok { display: block; }
.form-err { color: var(--rose-dark); font-weight: 700; font-size: 13px; min-height: 18px; }

.prose { max-width: 720px; padding: 40px 0 80px; }
.prose h1 { font-size: 48px; }
.prose p, .prose li { color: var(--mute); }

.mobile-panel {
  display: none; position: fixed; inset: var(--nav-h) 0 0 0; z-index: 30;
  background: var(--paper); padding: 22px 24px;
}
.mobile-panel.open { display: flex; flex-direction: column; gap: 18px; }
.mobile-panel a { font-size: 22px; font-weight: 750; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .hero-grid, .mods, .mod, .mod.rev, .impact .wrap, .demo-grid, .cta-box, .foot-grid, .cards {
    grid-template-columns: 1fr; direction: ltr;
  }
  .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 20px; }
  .os { transform: none; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 36px 24px; }
  .row2 { flex-direction: column; }
  .fld.half { width: 100%; }
}