:root {
  --dusk: #1e1b2e;
  --dusk-light: #2a2640;
  --dusk-lighter: #35304d;
  --glow: #f2a65a;
  --glow-soft: #f6c384;
  --cream: #f5efe3;
  --cream-dim: #b8afa0;
  --sage: #7fa894;
  --rose: #c77b69;
  --border-glow: rgba(242, 166, 90, 0.25);

  --display: "Fraunces", Georgia, serif;
  --body: "Inter", -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--dusk);
  color: var(--cream);
  font-family: var(--body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; margin: 0; }

a { color: inherit; }

.eyebrow {
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glow-soft);
  margin: 0 0 12px;
}
.eyebrowDark { color: var(--rose); }

/* ===== Header ===== */
.siteHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 6vw;
  position: sticky;
  top: 0;
  background: rgba(30, 27, 46, 0.85);
  backdrop-filter: blur(8px);
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.logo { font-family: var(--display); font-size: 1.15rem; font-weight: 600; }
.siteHeader nav { display: flex; align-items: center; gap: 28px; }
.siteHeader nav a { text-decoration: none; color: var(--cream-dim); font-size: 0.92rem; }
.siteHeader nav a:hover { color: var(--cream); }
.navCta {
  background: var(--glow);
  color: var(--dusk);
  padding: 8px 18px;
  border-radius: 100px;
  font-weight: 600;
}
.navCta:hover { background: var(--glow-soft); }

/* ===== Hero — большое тёплое свечение позади заголовка ===== */
.hero {
  position: relative;
  padding: 110px 6vw 130px;
  overflow: hidden;
  text-align: center;
}
.heroGlow {
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(242, 166, 90, 0.35) 0%, rgba(242, 166, 90, 0.08) 45%, transparent 70%);
  pointer-events: none;
}
.heroContent { position: relative; max-width: 720px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  line-height: 1.12;
  margin-bottom: 22px;
  font-optical-sizing: auto;
}
.heroSub {
  font-size: 1.1rem;
  color: var(--cream-dim);
  max-width: 520px;
  margin: 0 auto 34px;
}
.btnPrimary {
  display: inline-block;
  background: var(--glow);
  color: var(--dusk);
  text-decoration: none;
  padding: 15px 34px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 1.02rem;
  transition: background 0.15s, transform 0.15s;
}
.btnPrimary:hover { background: var(--glow-soft); transform: translateY(-1px); }

/* ===== Проблема ===== */
.problem {
  padding: 90px 6vw;
  background: var(--dusk-light);
  text-align: center;
}
.problem h2, .features h2, .trust h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  max-width: 640px;
  margin: 0 auto 44px;
}
.sectionSub { color: var(--cream-dim); max-width: 480px; margin: -24px auto 44px; text-align: center; }

.painGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.painCard {
  background: var(--dusk);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 26px 22px;
  text-align: left;
}
.painIcon { font-size: 1.6rem; display: block; margin-bottom: 12px; }
.painCard p { margin: 0; color: var(--cream-dim); font-size: 0.95rem; }

/* ===== Возможности — "светящиеся окна дома" ===== */
.features { padding: 100px 6vw; text-align: center; }
.windowGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.windowCard {
  position: relative;
  background: var(--dusk-light);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 30px 26px;
  text-align: left;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.windowCard:hover { transform: translateY(-3px); border-color: var(--glow); }
.windowGlow {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(242, 166, 90, 0.28) 0%, transparent 70%);
  pointer-events: none;
}
.windowIcon { font-size: 1.8rem; display: block; margin-bottom: 14px; position: relative; }
.windowCard h3 { font-size: 1.15rem; margin-bottom: 8px; position: relative; }
.windowCard p { margin: 0; color: var(--cream-dim); font-size: 0.92rem; position: relative; }

/* ===== Приватность ===== */
.trust { padding: 100px 6vw; background: var(--dusk-light); text-align: center; }
.trustGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.trustCard { padding: 10px; }
.trustIcon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--dusk);
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.trustCard h3 { font-size: 1.1rem; margin-bottom: 8px; }
.trustCard p { margin: 0; color: var(--cream-dim); font-size: 0.92rem; }

/* ===== Регистрация — "дверь" ===== */
.registerSection { padding: 110px 6vw; display: flex; justify-content: center; }
.doorFrame h2 { margin-bottom: 16px; }
.doorFrame .sectionSub { margin: 0 auto 8px; }
.doorFrame {
  width: 100%;
  max-width: 480px;
  text-align: center;
}
.doorFrame form { text-align: left; margin-top: 30px; }
.doorFrame label {
  display: block;
  font-size: 0.8rem;
  color: var(--cream-dim);
  margin: 16px 0 5px;
}
.doorFrame input {
  display: block;
  width: 100%;
  background: var(--dusk-light);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: var(--cream);
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: var(--body);
  outline: none;
}
.doorFrame input:focus { border-color: var(--glow); }
#subdomainRow { display: flex; align-items: center; gap: 8px; }
#subdomainSuffix { color: var(--cream-dim); font-size: 0.9rem; white-space: nowrap; }
.fieldHint { color: var(--cream-dim); font-size: 0.75rem; margin: 5px 0 0; }
#registerError { color: var(--rose); font-size: 0.85rem; min-height: 1.2em; margin-top: 10px; }
#registerSuccess { color: var(--sage); font-size: 0.92rem; margin-top: 10px; }
#registerSubmitBtn {
  width: 100%;
  margin-top: 22px;
  background: var(--glow);
  color: var(--dusk);
  border: none;
  border-radius: 100px;
  padding: 14px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  font-family: var(--body);
}
#registerSubmitBtn:hover { background: var(--glow-soft); }
#registerSubmitBtn:disabled { opacity: 0.6; cursor: default; }

/* ===== Подвал ===== */
.siteFooter {
  padding: 30px 6vw;
  text-align: center;
  color: var(--cream-dim);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== Доступность/уменьшенное движение ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .windowCard, .btnPrimary { transition: none; }
}

@media (max-width: 640px) {
  .siteHeader nav a:not(.navCta) { display: none; }
  .hero { padding: 80px 6vw 90px; }
  .problem, .features, .trust, .registerSection { padding: 70px 6vw; }
}

/* ===== Видимый фокус для навигации с клавиатуры ===== */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}