:root {
  color-scheme: light;
  --bg-1: rgb(255, 255, 255);
  --bg-2: #f4faf5;
  --card: rgba(255, 255, 255, 0.92);
  --line: rgba(40, 167, 69, 0.24);
  --text: #1f2b22;
  --muted: #4f6a57;
  --accent: rgb(40, 167, 69);
  --accent-2: rgb(40, 167, 69);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(40, 167, 69, 0.15), transparent 50%),
    radial-gradient(900px 500px at -10% 100%, rgba(40, 167, 69, 0.1), transparent 45%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(920px, calc(100% - 32px));
  padding: clamp(32px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  box-shadow: 0 12px 34px rgba(40, 167, 69, 0.08);
  text-align: center;
  overflow: hidden;
}

.logo {
  max-width: 300px;
  max-height: 90px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgb(40, 167, 69);
}

h1 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  line-height: 1.25;
  font-weight: 800;
  max-width: 100%;
}

#domainName {
  display: block;
  white-space: nowrap;
  max-width: 100%;
  line-height: 1.15;
  margin-bottom: 4px;
}

.subtitle {
  display: block;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--muted);
  margin-top: 6px;
}

.lead {
  margin: 16px auto 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.65;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 28px;
  padding: 13px 24px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, filter 0.18s ease;
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.note {
  margin: 20px auto 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

@media (max-width: 520px) {
  .card {
    border-radius: 18px;
    padding: 24px 18px;
  }

  .logo {
    max-width: 220px;
    max-height: 70px;
    margin-bottom: 18px;
  }
}

/* ── Contact form ── */

.divider {
  width: 60px;
  height: 3px;
  margin: 32px auto;
  border-radius: 2px;
  background: var(--line);
}

.form-heading {
  margin: 0 0 6px;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 700;
}

.form-desc {
  margin: 0 auto 20px;
  max-width: 48ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.offer-form {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
  position: relative;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group--full {
  margin-top: 14px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.form-group .optional {
  font-weight: 400;
  color: var(--muted);
}

.form-group input,
.form-group textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-1);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
  opacity: 0.6;
}

.form-group textarea {
  resize: vertical;
  min-height: 70px;
}

.cta--submit {
  margin-top: 18px;
  width: 100%;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.cta--submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ── Captcha / Anti-bot ── */

.captcha-box {
  margin-top: 18px;
  padding: 0;
  border: 1px solid #d9dde1;
  border-radius: 4px;
  background: #f9f9f9;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.captcha-box.captcha-solved {
  border-color: var(--accent);
  box-shadow: 0 1px 6px rgba(40, 167, 69, 0.18);
}

.captcha-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
}

.captcha-label {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  user-select: none;
}

.captcha-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.captcha-checkmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 2px solid #c1c7cd;
  border-radius: 3px;
  background: #fff;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.captcha-tick {
  width: 18px;
  height: 18px;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s, transform 0.2s;
}

.captcha-label:hover .captcha-checkmark {
  border-color: #a0a8b0;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}

.captcha-label input[type="checkbox"]:checked ~ .captcha-checkmark {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: none;
}

.captcha-label input[type="checkbox"]:checked ~ .captcha-checkmark .captcha-tick {
  opacity: 1;
  transform: scale(1);
}

.captcha-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}

.captcha-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.captcha-shield {
  display: block;
}

.captcha-brand-text {
  font-size: 0.62rem;
  font-weight: 600;
  color: #9e9e9e;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.captcha-challenge {
  border-top: 1px solid #e0e3e6;
  background: #fff;
}

.captcha-challenge-inner {
  padding: 14px 18px;
}

.captcha-hint {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 500;
}

.captcha-math {
  display: flex;
  align-items: center;
  gap: 12px;
}

.captcha-question {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.captcha-challenge input {
  width: 70px;
  padding: 8px 12px;
  border: 1.5px solid #d9dde1;
  border-radius: 4px;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.captcha-challenge input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.12);
}

@media (max-width: 520px) {
  .captcha-main {
    padding: 12px 14px;
  }
  .captcha-challenge-inner {
    padding: 12px 14px;
  }
}

/* ── Validation error states ── */

.form-group input.input-error {
  border-color: #d9534f;
  box-shadow: 0 0 0 3px rgba(217, 83, 79, 0.12);
}

.form-status {
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.4em;
}

.form-status--ok {
  color: var(--accent);
}

.form-status--err {
  color: #d9534f;
}

@media (max-width: 520px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}