:root {
  --max: 1120px;
  --bg: #f8f7f3;
  --paper: #ffffff;
  --ink: rgba(18, 18, 18, 0.9);
  --muted: rgba(18, 18, 18, 0.62);
  --stroke: rgba(18, 18, 18, 0.14);
  --shadow: 0 16px 44px rgba(18, 18, 18, 0.12);

  --gold-1: #c8a24a;
  --gold-2: #f2d27d;
  --gold-3: #8a6a20;

  --radius: 22px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(900px 500px at 50% -120px, rgba(242, 210, 125, 0.32), transparent 65%),
    var(--bg);
  color: var(--ink);
  line-height: 1.45;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 247, 243, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(18, 18, 18, 0.08);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand__logo {
  height: 44px;
  width: auto;
  display: block;
}

.nav {
  display: inline-flex;
  gap: 14px;
  align-items: center;
}

.nav__link {
  font-size: 14px;
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
}

.nav__link:hover {
  color: var(--ink);
  background: rgba(18, 18, 18, 0.05);
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(18, 18, 18, 0.12);
  color: var(--ink);
}

.burger span {
  display: block;
  height: 2px;
  width: 18px;
  background: rgba(18, 18, 18, 0.72);
  margin: 4px auto;
  border-radius: 999px;
}

.mobile {
  border-top: 1px solid rgba(18, 18, 18, 0.08);
  background: rgba(248, 247, 243, 0.92);
}

.mobile__inner {
  padding: 16px 0 20px;
  display: grid;
  gap: 10px;
}

.mobile__link {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(18, 18, 18, 0.12);
  color: var(--muted);
}

.mobile__link:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
}

.mobile__btn {
  margin-top: 8px;
}

.hero {
  padding: 54px 0 26px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: start;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(18, 18, 18, 0.12);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.h1 {
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.06;
  margin: 14px 0 12px;
  letter-spacing: -0.5px;
}

.lead {
  color: var(--muted);
  font-size: 16px;
  max-width: 62ch;
  margin: 0 0 18px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 16px;
  padding: 12px 16px;
  border: 1px solid rgba(18, 18, 18, 0.14);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1px;
  box-shadow: 0 10px 24px rgba(18, 18, 18, 0.08);
}

.btn:hover {
  background: rgba(255, 255, 255, 0.92);
}

.btn--primary {
  border: 1px solid rgba(200, 162, 74, 0.42);
  background: linear-gradient(135deg, rgba(242, 210, 125, 0.92), rgba(200, 162, 74, 0.92), rgba(138, 106, 32, 0.9));
  color: rgba(18, 18, 18, 0.92);
}

.btn--primary:hover {
  filter: brightness(1.04);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.6);
}

.btn--wide {
  width: 100%;
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.fact {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(18, 18, 18, 0.12);
  padding: 12px 12px;
}

.fact__n {
  font-weight: 800;
  font-size: 16px;
}

.fact__t {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.card {
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.64));
  border: 1px solid rgba(18, 18, 18, 0.12);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card__inner {
  padding: 18px;
}

.card__title {
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--gold-2), var(--gold-1), var(--gold-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.card__name {
  margin-top: 8px;
  font-weight: 600;
  font-size: 22px;
}

.card__line {
  height: 2px;
  margin: 14px 0 12px;
  background: linear-gradient(90deg, rgba(200, 162, 74, 0.2), rgba(200, 162, 74, 0.9), rgba(200, 162, 74, 0.2));
}

.card__contacts {
  display: grid;
  gap: 10px;
}

.contact {
  display: grid;
  gap: 2px;
  padding: 12px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(18, 18, 18, 0.12);
}

.contact:hover {
  background: rgba(255, 255, 255, 0.9);
}

.contact__k {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.contact__v {
  font-weight: 700;
}

.card__note {
  margin-top: 12px;
  color: var(--muted);
}

.card__actions {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(18, 18, 18, 0.12);
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
  font-weight: 800;
  font-size: 13px;
}

.chip:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
}

.section {
  padding: 56px 0;
}

.section__head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.h2 {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.2px;
}

.h3 {
  font-size: 18px;
  margin: 0;
}

.muted {
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tile {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(18, 18, 18, 0.12);
  box-shadow: 0 12px 26px rgba(18, 18, 18, 0.08);
  padding: 16px;
  display: grid;
  gap: 10px;
}

.tile__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(18, 18, 18, 0.12);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 8px;
}

.step {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(18, 18, 18, 0.12);
  box-shadow: 0 12px 26px rgba(18, 18, 18, 0.08);
  padding: 14px;
  display: flex;
  gap: 12px;
}

.step__n {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(242, 210, 125, 0.92), rgba(200, 162, 74, 0.92));
  border: 1px solid rgba(200, 162, 74, 0.35);
  display: grid;
  place-items: center;
  font-weight: 900;
}

.step__t {
  font-weight: 800;
  margin-bottom: 4px;
}

.section--contact {
  padding-top: 42px;
}

.contactBlock {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
  align-items: start;
}

.contactBlock__left,
.contactBlock__right {
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(18, 18, 18, 0.12);
  box-shadow: 0 12px 26px rgba(18, 18, 18, 0.08);
}

.contactBlock__left {
  padding: 18px;
}

.contactBlock__right {
  padding: 18px;
  display: grid;
  gap: 12px;
}

.form {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field__label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(18, 18, 18, 0.14);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  outline: none;
  font-family: inherit;
}

.input::placeholder {
  color: rgba(18, 18, 18, 0.38);
}

.input:focus {
  border-color: rgba(200, 162, 74, 0.6);
  box-shadow: 0 0 0 4px rgba(200, 162, 74, 0.16);
}

.field__error {
  min-height: 16px;
  font-size: 12px;
  color: rgba(160, 108, 20, 0.95);
  font-weight: 700;
}

.form__footer {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.form__hint {
  font-size: 12px;
}

.toast {
  border-radius: 16px;
  padding: 12px 12px;
  border: 1px solid rgba(200, 162, 74, 0.4);
  background: rgba(242, 210, 125, 0.22);
  color: rgba(18, 18, 18, 0.92);
  font-weight: 800;
}

.mini {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(18, 18, 18, 0.12);
  background: rgba(255, 255, 255, 0.64);
}

.mini__title {
  font-weight: 900;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--gold-2), var(--gold-1), var(--gold-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mini__row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.mini__k {
  color: var(--muted);
  font-weight: 600;
}

.mini__v {
  font-weight: 800;
}

.footer {
  padding: 26px 0 34px;
  border-top: 1px solid rgba(18, 18, 18, 0.08);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.footer__brand {
  font-weight: 800;
}

.footer__right {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer__link {
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.footer__link:hover {
  color: var(--ink);
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .burger {
    display: inline-block;
  }

  .header__inner {
    grid-template-columns: 1fr auto auto;
  }

  .hero__inner {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contactBlock {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .hero__facts {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .form__row {
    grid-template-columns: 1fr;
  }
}


/* === DEMO SITE watermark (auto) === */
html::before {
  content: "DEMO SITE";
  position: fixed;
  left: clamp(12px, calc((100vw - min(var(--max), (100vw - 2.5rem))) / 4), 96px);
  top: 50%;
  transform: translate(-50%, -50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-weight: 800;
  letter-spacing: 0.28em;
  font-size: 45px;
  text-transform: uppercase;
  opacity: 0.34;
  color: rgba(255, 255, 255, 0.94);
  mix-blend-mode: difference;
  text-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
  pointer-events: none;
  user-select: none;
  z-index: 200;
}

@media (prefers-color-scheme: dark) {
  html::before {
    opacity: 0.36;
    color: rgba(242, 246, 255, 0.96);
    text-shadow: 0 10px 26px rgba(0, 0, 0, 0.65);
  }
}