*,
*::before,
*::after { box-sizing: border-box; }

:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #edf3f6;
  --text: #173042;
  --muted: #587080;
  --line: #d7e2ea;
  --brand: #193744;
  --brand-2: #264b5c;
  --accent: #24e000;
  --accent-dark: #10b700;
  --shadow: 0 18px 45px rgba(16, 39, 53, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1180px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.soft-bg {
  background: linear-gradient(180deg, #f8fbfd 0%, #eef3f7 100%);
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(90deg, var(--brand) 0%, #1b4150 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(10, 26, 37, 0.16);
}

.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 28px;
  color: var(--brand);
  background: linear-gradient(180deg, #38ff1f 0%, #1fe300 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-text strong { font-size: 1.45rem; }
.brand-text small {
  margin-top: 4px;
  opacity: 0.9;
  font-size: 0.95rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav a {
  color: rgba(255,255,255,0.92);
  font-size: 0.97rem;
}

.nav a:hover { color: #fff; }

.nav-cta {
  background: rgba(255,255,255,0.14);
  padding: 12px 18px;
  border-radius: 999px;
}

.menu-toggle {
  display: none;
  border: 0;
  background: rgba(255,255,255,0.14);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 20px;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero-promo {
  background:
    radial-gradient(circle at 85% 18%, rgba(36,224,0,0.15), transparent 20%),
    linear-gradient(125deg, #153140 0%, #183846 42%, #214a5d 100%);
  color: #fff;
  padding: 56px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.04;
  margin: 14px 0 16px;
  max-width: 720px;
}

.highlight { color: var(--accent); }

.eyebrow {
  display: inline-block;
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  font-weight: 700;
}

.eyebrow.dark { color: #2c5567; }

.lead {
  font-size: 1.16rem;
  color: rgba(255,255,255,0.92);
  max-width: 680px;
  line-height: 1.6;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0;
}

.mini-card {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 14px 16px;
  min-height: 72px;
}

.mini-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(36, 224, 0, 0.13);
  font-size: 1.25rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 54px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 0;
  cursor: pointer;
  text-align: center;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(13, 32, 43, 0.16);
}

.btn-primary {
  color: #0e2d23;
  background: linear-gradient(180deg, #34f313 0%, #18db00 100%);
}

.btn-secondary {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
}

.full { width: 100%; }

.small-note {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  margin-top: 16px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  width: min(100%, 520px);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.glass {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(8px);
}

.feature-strip {
  padding: 28px 0;
  background: #ffffff;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card,
.card,
.faq-item,
.content-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 26px;
}

.section { padding: 54px 0; }

.split-section {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.content-box { padding: 30px; }
.clean-list {
  margin: 16px 0 0;
  padding-left: 20px;
  line-height: 1.75;
}
.content-visual img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.faq-item { padding: 24px; }
.faq-item h3 { margin-top: 0; }

.footer {
  margin-top: auto;
  background: #102733;
  color: rgba(255,255,255,0.9);
  padding: 26px 0;
}

.compact-footer { padding: 20px 0; }

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.login-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 30px;
  align-items: start;
}

.login-side h1,
.survey-main h1,
.thanks-card h1 {
  margin-top: 10px;
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.side-promo-card {
  margin-top: 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, #183845 0%, #20485a 100%);
  color: #fff;
  padding: 24px;
  box-shadow: var(--shadow);
}

.voucher-tag {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  background: #24e000;
  color: #103126;
  font-weight: 700;
  margin-bottom: 12px;
}

.card {
  padding: 30px;
}

.login-card h2,
.survey-side h2 { margin: 10px 0 8px; }

.card-subtext {
  color: var(--muted);
  line-height: 1.6;
}

.stack-form {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.stack-form label,
.question-title {
  font-weight: 700;
  display: block;
}

input[type="text"],
input[type="password"],
textarea,
select {
  margin-top: 8px;
  width: 100%;
  border: 1px solid #cddae2;
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 1rem;
  color: var(--text);
  background: #fff;
  outline: none;
}

textarea { resize: vertical; }

input:focus,
textarea:focus,
select:focus {
  border-color: #7db7d2;
  box-shadow: 0 0 0 4px rgba(61, 130, 170, 0.12);
}

.check-row {
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 400;
}

.info-box,
.promo-box,
.winner-box {
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid #d6e5ec;
  padding: 16px;
  color: var(--text);
}

.survey-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.survey-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.progress-box {
  min-width: 180px;
  border-radius: 18px;
  background: #eff7f0;
  border: 1px solid #d2ecd2;
  padding: 16px;
  text-align: right;
}

.step-indicator {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
}

.step-indicator span {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #e8eef2;
  color: #698393;
  font-weight: 700;
}

.step-indicator span.active {
  background: #20df00;
  color: #103025;
}

.question-block {
  padding: 18px 0 20px;
  border-bottom: 1px solid #e6edf2;
}

.question-block:last-child {
  border-bottom: 0;
}

.radio-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #d6e2ea;
  background: #fbfdfe;
  font-weight: 400;
}

.radio-option input {
  margin: 0;
  width: auto;
}

.survey-actions {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.survey-actions.center {
  justify-content: center;
}

.survey-side {
  display: grid;
  gap: 16px;
}

.thanks-card {
  text-align: center;
}

.narrow {
  width: min(100% - 32px, 760px);
  margin-inline: auto;
}

.success-badge {
  width: 88px;
  height: 88px;
  margin: 0 auto 18px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(180deg, #34f313 0%, #18db00 100%);
  color: #103126;
  box-shadow: 0 18px 35px rgba(36,224,0,0.25);
}

code {
  background: #eef3f6;
  padding: 2px 6px;
  border-radius: 8px;
}

@media (max-width: 980px) {
  .hero-grid,
  .feature-grid,
  .split-section,
  .faq-grid,
  .login-grid,
  .survey-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 { max-width: 100%; }
  .survey-header { flex-direction: column; }
  .progress-box { min-width: 0; text-align: left; }
}

@media (max-width: 760px) {
  .menu-toggle { display: inline-grid; place-items: center; }

  .nav {
    position: absolute;
    top: 82px;
    left: 16px;
    right: 16px;
    background: #173541;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow);
    padding: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .nav.open { display: flex; }

  .hero-promo { padding-top: 40px; }
  .hero-points { grid-template-columns: 1fr; }
  .footer-wrap { flex-direction: column; align-items: flex-start; }
  .radio-group { grid-template-columns: 1fr; }

  .btn,
  .btn-secondary,
  .btn-primary {
    width: 100%;
  }

  .hero-actions,
  .survey-actions {
    flex-direction: column;
  }

  .card,
  .feature-card,
  .faq-item,
  .content-box {
    border-radius: 18px;
  }

  .section { padding: 38px 0; }
  .container { width: min(100% - 22px, var(--container)); }
}