/* Systo Dacha — light, airy, contour B&W */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&display=swap');

:root {
  --ink: #111;
  --ink-soft: #2b2b2b;
  --mute: #6b6b6b;
  --line: #1a1a1a;
  --bg: #fdfdfb;
  --accent: #111;
  --radius: 4px;
  --maxw: 820px;
  --pad: 28px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-weight: 300;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--ink);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px var(--pad) 80px;
}

header.top {
  text-align: center;
  padding: 60px var(--pad) 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}

header.top .brand {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--mute);
}

h1 {
  font-weight: 300;
  font-size: clamp(34px, 5.5vw, 54px);
  line-height: 1.1;
  margin: 18px 0 12px;
  letter-spacing: -0.01em;
}

h1 .em {
  font-weight: 600;
}

.lead {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
  font-weight: 300;
}

.dates {
  display: inline-block;
  margin-top: 22px;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

section {
  margin: 64px 0;
}

h2 {
  font-weight: 600;
  font-size: clamp(24px, 3.5vw, 32px);
  line-height: 1.2;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}

h3 {
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
  margin: 28px 0 8px;
}

p { margin: 0 0 14px; }

.muted { color: var(--mute); }

ul.clean {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

ul.clean li {
  position: relative;
  padding: 6px 0 6px 22px;
}

ul.clean li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 12px;
  height: 1px;
  background: var(--line);
}

.divider {
  display: block;
  height: 1px;
  background: var(--line);
  margin: 64px auto;
  max-width: 80px;
  opacity: 0.5;
}

.decor {
  display: block;
  margin: 56px auto;
  max-width: 100%;
  width: 100%;
  height: auto;
  filter: contrast(1.02);
}

.decor-vertical {
  max-width: 360px;
}

.decor-horizontal {
  max-width: 720px;
}

/* Groups grid */
.groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 24px 0;
}

.group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  background: transparent;
}

.group .age {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.group .age-label {
  font-size: 13px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .groups { grid-template-columns: 1fr; }
}

/* Pricing */
.price-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin: 18px 0;
}

.price-card .amount {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.price-card .duration {
  color: var(--mute);
  margin-left: 10px;
  font-size: 16px;
}

.price-card .desc {
  margin-top: 12px;
  color: var(--ink-soft);
}

.price-card.option {
  border-style: dashed;
}

/* Form */
form.signup {
  margin: 28px 0;
}

.field {
  margin-bottom: 18px;
}

label.field-label {
  display: block;
  font-size: 13px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

input[type=text],
input[type=tel],
input[type=email],
input[type=number] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  font: inherit;
  color: var(--ink);
  outline: none;
}

input:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}

.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 540px) {
  .row2 { grid-template-columns: 1fr; }
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--mute);
  margin: 18px 0 24px;
}

.consent input { margin-top: 4px; }

button.cta {
  display: inline-block;
  padding: 14px 36px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

button.cta:hover {
  background: transparent;
  color: var(--ink);
}

button.cta:disabled {
  opacity: 0.55;
  cursor: wait;
}

.form-status {
  margin-top: 16px;
  min-height: 22px;
  font-size: 15px;
}

.form-status.ok { color: #0c6e3c; }
.form-status.err { color: #a31c1c; }

/* Footer */
footer.bottom {
  text-align: center;
  padding: 40px var(--pad);
  border-top: 1px solid var(--line);
  margin-top: 40px;
  font-size: 14px;
  color: var(--mute);
}

footer.bottom .socials {
  margin-bottom: 12px;
}

footer.bottom a {
  margin: 0 10px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.heart {
  display: inline-block;
  margin: 0 2px;
}

/* Admin */
.admin-wrap { max-width: 1200px; margin: 0 auto; padding: 30px 20px; }
.admin-wrap h1 { font-size: 24px; }
.admin-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-wrap th, .admin-wrap td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.admin-wrap th { background: #f4f4f0; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }