:root {
  --about-bg: #050c1c;
  --about-card: rgba(15, 24, 44, 0.86);
  --about-card-soft: rgba(20, 31, 56, 0.72);
  --about-border: rgba(255, 255, 255, 0.11);
  --about-text: #eaf0ff;
  --about-text-soft: #aeb8d3;
  --about-red: #ff2b39;
  --about-cyan: #3ed0ff;
}

html {
  scroll-behavior: smooth;
}

.about-body {
  background:
    radial-gradient(1000px 420px at 15% -5%, rgba(255, 43, 57, 0.26), transparent 62%),
    radial-gradient(800px 420px at 90% 0%, rgba(62, 208, 255, 0.2), transparent 56%),
    var(--about-bg);
  color: var(--about-text);
}

.about-page {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 110px 0 56px;
  display: grid;
  gap: 20px;
}

.about-hero,
.about-card,
.about-quote {
  border: 1px solid var(--about-border);
  border-radius: 22px;
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02) 48%);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(5px);
}

.about-hero {
  padding: 32px 30px;
  background:
    radial-gradient(650px 210px at 85% 10%, rgba(62, 208, 255, 0.12), transparent 66%),
    radial-gradient(680px 250px at 12% 0%, rgba(255, 43, 57, 0.16), transparent 60%),
    var(--about-card);
}

.about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ffd8dd;
  padding: 7px 13px;
  border: 1px solid rgba(255, 71, 85, 0.35);
  border-radius: 999px;
  background: rgba(255, 43, 57, 0.15);
}

.about-hero h1 {
  margin: 16px 0 14px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.about-hero p {
  margin: 0;
  max-width: 900px;
  font-size: 17px;
  line-height: 1.75;
  color: #dce3f6;
}

.about-hero-actions {
  margin-top: 18px;
}

.about-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 42px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, rgba(62, 208, 255, 0.34), rgba(62, 208, 255, 0.14));
  color: #eefdff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.about-cta-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(118, 222, 255, 0.8);
  background: linear-gradient(135deg, rgba(62, 208, 255, 0.46), rgba(62, 208, 255, 0.2));
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.26);
}

.about-hero strong,
.about-card strong,
.about-quote strong {
  color: #fff;
}

.about-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-card {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02) 46%),
    var(--about-card-soft);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.about-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 24px 42px rgba(0, 0, 0, 0.34);
}

.about-card h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.2;
}

.about-card p {
  margin: 0;
  line-height: 1.78;
  color: var(--about-text-soft);
}

.about-card ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.about-card li {
  padding: 11px 12px 11px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #e5ebfb;
  line-height: 1.66;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.about-card li:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.about-quote {
  padding: 20px 24px;
  border-color: rgba(255, 71, 85, 0.4);
  background:
    linear-gradient(140deg, rgba(255, 43, 57, 0.2), rgba(53, 84, 151, 0.16) 56%),
    rgba(8, 13, 26, 0.92);
}

.about-quote p {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.about-contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.about-contact-list a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  text-decoration: none;
  color: #f4f7ff;
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.about-contact-list a:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.about-form-wrap {
  padding: 26px;
}

.about-form-head {
  margin-bottom: 16px;
}

.about-form-head h2 {
  margin: 0;
}

.about-form-head p {
  margin: 10px 0 0;
}

.about-form {
  display: grid;
  gap: 14px;
}

.about-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.about-field {
  display: grid;
  gap: 8px;
}

.about-field > span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #dce2f2;
}

.about-field input,
.about-field textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(3, 8, 22, 0.88);
  color: #fff;
  font-size: 15px;
  padding: 12px 13px;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.about-field textarea {
  resize: vertical;
  min-height: 136px;
}

.about-field input:hover,
.about-field textarea:hover {
  border-color: rgba(255, 255, 255, 0.24);
}

.about-field input:focus,
.about-field textarea:focus {
  border-color: rgba(255, 43, 57, 0.6);
  box-shadow: 0 0 0 3px rgba(255, 43, 57, 0.2);
}

.about-checks {
  margin: 2px 0;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.about-checks legend {
  padding: 0 4px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #b8c1da;
}

.about-check-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: #d6def3;
  font-size: 14px;
  font-weight: 700;
  padding: 11px 12px;
  transition: transform 0.16s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.about-check-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.about-check-option::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.38);
  flex: 0 0 16px;
  box-shadow: inset 0 0 0 3px rgba(7, 12, 25, 1);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.about-check-option:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.about-check-option.active {
  border-color: rgba(255, 71, 85, 0.62);
  background:
    linear-gradient(135deg, rgba(255, 43, 57, 0.26), rgba(86, 126, 255, 0.14)),
    rgba(255, 255, 255, 0.08);
  color: #fff;
}

.about-check-option.active::before {
  border-color: rgba(255, 71, 85, 0.95);
  background: rgba(255, 71, 85, 1);
}

.about-form-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.about-submit-btn,
.about-ghost-btn {
  border: 1px solid transparent;
  border-radius: 12px;
  height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.17s ease, box-shadow 0.17s ease, border-color 0.17s ease, background 0.17s ease;
}

.about-submit-btn {
  color: #fff;
  border-color: rgba(255, 71, 85, 0.52);
  background: linear-gradient(135deg, #ff2938, #e00d17 62%);
  box-shadow: 0 10px 22px rgba(224, 13, 23, 0.35);
}

.about-submit-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(224, 13, 23, 0.4);
}

.about-ghost-btn {
  color: #dde5f7;
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
}

.about-ghost-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.about-submit-btn:disabled,
.about-ghost-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.about-feedback {
  margin-top: 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 12px 14px;
  line-height: 1.55;
  font-size: 14px;
}

.about-feedback.success {
  color: #c8ffd8;
  border-color: rgba(77, 206, 118, 0.4);
  background: rgba(49, 162, 92, 0.16);
}

.about-feedback.error {
  color: #ffd3d6;
  border-color: rgba(255, 72, 93, 0.46);
  background: rgba(255, 45, 63, 0.13);
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .about-page {
    width: min(1180px, calc(100% - 22px));
  }

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

@media (max-width: 760px) {
  .about-page {
    padding-top: 90px;
    gap: 14px;
  }

  .about-hero,
  .about-card,
  .about-form-wrap,
  .about-quote {
    border-radius: 16px;
  }

  .about-hero,
  .about-card,
  .about-form-wrap {
    padding: 18px;
  }

  .about-hero h1 {
    margin-bottom: 10px;
    font-size: 33px;
  }

  .about-hero-actions {
    margin-top: 14px;
  }

  .about-hero p,
  .about-card p,
  .about-card li {
    font-size: 15px;
    line-height: 1.65;
  }

  .about-field-grid,
  .about-checks {
    grid-template-columns: 1fr;
  }

  .about-form-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .about-submit-btn,
  .about-ghost-btn {
    width: 100%;
  }
}