@import url("https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&family=Sora:wght@500;600;700;800&display=swap");

:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #12203a;
  --muted: #465b80;
  --brand-1: #5ca7d6;
  --brand-2: #2e6f99;
  --accent: #79bfa5;
  --line: #d3e2e6;
  --shadow: 0 20px 45px rgba(18, 47, 72, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Public Sans", "Segoe UI", Tahoma, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(92, 167, 214, 0.16), transparent 35%),
    radial-gradient(circle at 95% 12%, rgba(121, 191, 165, 0.2), transparent 28%),
    linear-gradient(180deg, #f7fcff 0%, var(--bg) 58%, #edf6f3 100%);
  min-height: 100vh;
}

body.mode-webapp {
  background: linear-gradient(180deg, #f2f8ff 0%, #e8f2f7 100%);
}

.marketing-only {
  display: block;
}

.webapp-only {
  display: none;
}

body.mode-webapp .marketing-only {
  display: none !important;
}

body.mode-webapp .webapp-only {
  display: block;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  z-index: 20;
  background: #001428;
  color: #ffffff;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
}

.page-shell {
  width: min(1150px, 100% - 2.4rem);
  margin: 1rem auto 2.8rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0.7rem;
  z-index: 10;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand-logo {
  width: clamp(72px, 9vw, 94px);
  height: auto;
  display: block;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.language-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
}

.language-switcher {
  border: 1px solid #b7c6e1;
  border-radius: 10px;
  height: 38px;
  padding: 0 0.6rem;
  background: #ffffff;
  color: var(--ink);
  font-weight: 600;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
  min-height: 40px;
  padding: 0.62rem 1.05rem;
  border: 1px solid transparent;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--brand-1) 0%, #4f9d8c 100%);
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(37, 101, 125, 0.24);
}

.button-secondary {
  background: #ffffff;
  border-color: #9fc6bc;
  color: var(--brand-2);
}

.button-ghost {
  border-color: #9fc0d2;
  color: #20455f;
  background: #ffffff;
}

.floating-telegram-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  box-shadow: 0 14px 32px rgba(29, 78, 103, 0.35);
  animation: cta-pulse 1.8s ease-in-out infinite;
}

@keyframes cta-pulse {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 14px 32px rgba(29, 78, 103, 0.35);
  }
  50% {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 18px 40px rgba(29, 78, 103, 0.42);
  }
}

.hero {
  margin-top: 1rem;
  border-radius: calc(var(--radius-lg) + 4px);
  border: 1px solid #b8d3dc;
  padding: clamp(1rem, 2.8vw, 2rem);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.97), rgba(244, 251, 249, 0.92)),
    linear-gradient(120deg, rgba(92, 167, 214, 0.13), rgba(121, 191, 165, 0.12));
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: 1rem;
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(74, 136, 177, 0.13);
  color: #2f6f99;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  margin-top: 0;
  color: #0f1c30;
}

h1 {
  margin-bottom: 0.7rem;
  margin-top: 0.75rem;
  font-size: clamp(1.8rem, 2.9vw, 2.85rem);
  line-height: 1.12;
}

.hero-subtitle {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.55;
  color: #2f4468;
  max-width: 62ch;
}

.hero-webapp-note {
  margin: 0.7rem 0 0;
  font-weight: 700;
  color: #1d5a74;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.62rem;
  margin-top: 1.05rem;
}

.audience-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem;
  align-content: start;
}

.audience-card {
  border: 1px solid #c5dce2;
  border-radius: var(--radius-md);
  padding: 0.8rem;
  background: #ffffff;
  display: grid;
  gap: 0.36rem;
}

.audience-card h2 {
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.3;
}

.audience-card p {
  margin: 0;
  color: #32486e;
  font-size: 0.9rem;
  line-height: 1.45;
}

.audience-type {
  color: #3a7e8f;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inline-link {
  color: #2f6f99;
  text-underline-offset: 0.2em;
  font-weight: 700;
}

.panel {
  margin-top: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1rem, 2.1vw, 1.6rem);
  box-shadow: 0 10px 20px rgba(21, 35, 61, 0.05);
}

.panel h2 {
  font-size: clamp(1.33rem, 2.1vw, 1.8rem);
  margin-bottom: 0.7rem;
}

.panel p {
  margin: 0;
  color: #334b72;
  line-height: 1.6;
}

.feature-grid,
.fit-grid,
.steps {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.78rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-item,
.fit-item,
.steps li {
  background: linear-gradient(180deg, #ffffff 0%, #f5fbf8 100%);
  border: 1px solid #d2e4e2;
  border-radius: 14px;
  padding: 0.85rem;
}

.feature-item h3,
.fit-item h3,
.steps h3 {
  font-size: 1.03rem;
  margin-bottom: 0.45rem;
}

.feature-item p,
.fit-item p,
.steps p,
.fit-item li {
  color: #32496f;
  font-size: 0.95rem;
  line-height: 1.55;
}

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

.fit-item ul {
  margin: 0;
  padding-left: 1.15rem;
}

.fit-item li + li {
  margin-top: 0.45rem;
}

.steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  margin-bottom: 0;
}

.steps li {
  min-height: 100%;
}

.support-panel {
  background: linear-gradient(140deg, rgba(26, 88, 123, 0.96), rgba(36, 110, 101, 0.97));
  border-color: #2f6d82;
}

.support-panel h2,
.support-panel p {
  color: #ffffff;
}

.support-panel .button-primary {
  margin-top: 0.9rem;
  background: linear-gradient(135deg, #a8d9c6 0%, #79bfa5 100%);
  color: #1d3c47;
  box-shadow: none;
}

.webapp-mode-hint {
  margin: 0.2rem 0 0.9rem;
}

.webapp-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.webapp-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.webapp-form-card {
  border: 1px solid #c8dce6;
  border-radius: 16px;
  padding: 0.9rem;
  background: linear-gradient(180deg, #ffffff 0%, #f4fbf9 100%);
}

.webapp-form-card.is-hidden {
  display: none;
}

.webapp-form-card form {
  display: grid;
  gap: 0.55rem;
}

.webapp-form-card label {
  font-size: 0.88rem;
  color: #2a4769;
  font-weight: 700;
}

.webapp-form-card input {
  width: 100%;
  min-height: 40px;
  border-radius: 10px;
  border: 1px solid #b6c9d8;
  padding: 0.5rem 0.65rem;
  font-size: 0.95rem;
}

.webapp-status {
  margin-top: 0.8rem;
  min-height: 1.2rem;
  font-weight: 700;
  color: #1f5a42;
}

.webapp-status.error {
  color: #8b1e2d;
}

.webapp-session-meta {
  margin: 0.4rem 0 0;
  color: #32547a;
  font-size: 0.9rem;
}

.site-footer {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  border-top: 1px solid #ccd8ea;
  padding-top: 1rem;
}

.site-footer p {
  margin: 0;
  color: #345078;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .page-shell {
    width: min(1150px, 100% - 1rem);
  }

  .site-header {
    align-items: flex-start;
  }

  .header-controls {
    gap: 0.45rem;
  }

  .brand-logo {
    width: clamp(64px, 22vw, 80px);
  }

  .button {
    min-height: 38px;
    font-size: 0.9rem;
  }

  .audience-card {
    padding: 0.7rem;
  }

  .audience-card h2 {
    font-size: 0.95rem;
  }

  .audience-card p {
    font-size: 0.84rem;
  }

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

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

  .floating-telegram-cta {
    right: 0.6rem;
    bottom: 0.6rem;
    left: 0.6rem;
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}