:root {
  --ink: #111;
  --muted: #444;
  --bg: #fff;
  --tint: #f5f8fc;
  --blue: #0A6FD6;
  --blue-dark: #075bb0;
  --blue-soft: #e6f1fd;
  --orange: #F2553A;
  --yellow: #F7B924;
  --green: #2BB673;
  --line: #e3e7ee;
  --radius: 10px;
  --max: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); }
img, svg { display: block; max-width: 100%; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1;
  padding: 18px 30px;
  border-radius: var(--radius);
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); }
.btn--soft { background: var(--blue-soft); color: var(--blue-dark); }
.btn--soft:hover { background: #d5e8fc; }
.btn--sm { padding: 11px 18px; font-size: .95rem; }
.btn:disabled { opacity: .6; cursor: wait; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--ink); text-decoration: none; }
.logo__mark {
  width: 26px; height: 26px; border-radius: 50%;
  background: conic-gradient(var(--orange) 0 33%, var(--yellow) 0 66%, var(--blue) 0);
  border: 2.5px solid var(--ink);
}
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav__links a:hover { color: var(--blue); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 112px; }
.hero__copy { max-width: 820px; }
.hero h1 {
  font-size: clamp(2.6rem, 5.6vw, 4.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.hero__lead { font-size: 1.3rem; color: var(--muted); margin: 24px 0 36px; max-width: 34em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section--tint { background: var(--tint); }
.eyebrow { color: var(--blue); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; font-size: .85rem; margin-bottom: 10px; }
.section h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.15; letter-spacing: -0.02em; max-width: 22em; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.card { border: 2px solid var(--ink); border-radius: 16px; padding: 32px; background: #fff; }
.card__icon {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.5rem;
  border: 2.5px solid var(--ink); margin-bottom: 20px;
}
.card__icon--orange { background: var(--orange); }
.card__icon--blue { background: var(--blue); }
.card__icon--yellow { background: var(--yellow); }
.card__icon--green { background: var(--green); }
.card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.card p { color: var(--muted); margin-bottom: 16px; }
.card ul { list-style: none; display: grid; gap: 8px; }
.card li::before { content: "✓"; color: var(--blue); font-weight: 700; margin-right: 8px; }

.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.steps span {
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ink); color: #fff; font-weight: 700; margin-bottom: 16px;
}
.steps h3 { font-size: 1.15rem; margin-bottom: 6px; }
.steps p { color: var(--muted); }

/* ---------- Contact & forms ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.contact__intro p { color: var(--muted); margin: 16px 0 24px; }

.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 500; font-size: .95rem; }
.form input, .form select, .form textarea {
  font: inherit; font-weight: 400;
  padding: 12px 14px;
  border: 1.5px solid #cfd6e0;
  border-radius: 8px;
  background: #fff;
  width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft);
}
.form .invalid { border-color: var(--orange); }
.form button[type="submit"] { justify-self: start; }
.form__status { min-height: 1.5em; font-size: .95rem; }
.form__status.ok { color: #127a3a; }
.form__status.err { color: #c0341d; }
.hp { position: absolute; left: -9999px; }   /* honeypot spam trap */

/* ---------- Modal ---------- */
.modal {
  border: 2px solid var(--ink);
  border-radius: 16px;
  padding: 32px;
  width: min(620px, calc(100% - 32px));
  margin: auto;
}
.modal::backdrop { background: rgba(17,17,17,.5); }
.modal__head { display: flex; justify-content: space-between; align-items: center; }
.modal__head h2 { font-size: 1.6rem; }
.modal__close { background: none; border: 0; font-size: 2rem; line-height: 1; cursor: pointer; color: var(--muted); }
.modal__sub { color: var(--muted); margin-top: -6px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .95rem; }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
  .nav__inner .btn { margin-left: auto; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .hero { padding: 40px 0 64px; }
  .section { padding: 64px 0; }
  .steps, .form__row { grid-template-columns: 1fr; }
  .modal { padding: 22px; }
}