*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-accent: #060606;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-border: #e8e8e8;
  --color-bg: #ffffff;
  --color-surface: #fafafa;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 8px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Header ── */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, backdrop-filter 0.25s ease;
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo_ticket {
    height: auto;
  }

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: var(--color-accent);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: opacity var(--transition);
  cursor: pointer;
  border: none;
}

.btn:hover {
  opacity: 0.82;
}

.btn--small {
  padding: 8px 20px;
  font-size: 14px;
}

.btn--full {
  width: 100%;
}

/* ── Hero ── */

.hero {
  position: relative;
  padding: 166px 24px 105px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #f4f4f4 100%);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 6, 6, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__text {
  color: var(--color-muted);
  font-size: 17px;
  max-width: 480px;
  margin: 0 auto 36px;
}

/* ── Form ── */

.form-section {
  background: var(--color-surface);
  padding: 72px 24px;
}

.form-section__inner {
  max-width: 460px;
  margin: 0 auto;
}

.form-section__title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 28px;
}

.form-section__box {
  background: var(--color-bg);
  padding: 38px 42px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.form__select,
.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}

.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b6b6b' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form__select:focus,
.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
}

.form__select:focus {
  border-color: var(--color-border);
  outline: none;
  box-shadow: none;
}

.form__textarea {
  resize: none;
  min-height: 80px;
}

.form__textarea::placeholder {
  color: #aaa;
}

/* ── Services ── */

.services {
  padding: 80px 24px;
}

.services__inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.services__title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.services__text {
  color: var(--color-muted);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 56px;
}

.services__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.services__item {
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-align: left;
  transition: border-color var(--transition);
}

.services__item:hover {
  border-color: #ccc;
}

.services__icon {
  margin-bottom: 20px;
}

.services__item-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.services__item-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* ── FAQ ── */

.faq {
  background: var(--color-surface);
  padding: 80px 24px;
}

.faq__inner {
  max-width: 640px;
  margin: 0 auto;
}

.faq__title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 40px;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__item:first-child {
  border-top: 1px solid var(--color-border);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.accordion__trigger::-webkit-details-marker {
  display: none;
}

.accordion__trigger::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform var(--transition);
  margin-top: -4px;
}

.accordion__item[open] .accordion__trigger::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.accordion__content {
  padding: 0 0 20px;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ── Conclusion ── */

.conclusion {
  padding: 56px 24px 72px;
}

.conclusion__inner {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}

.conclusion__text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* ── Footer ── */

.footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 24px;
  text-align: center;
}

.footer__copy {
  font-size: 13px;
  color: var(--color-muted);
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .hero {
    padding: 156px 24px 72px;
  }

  .form-section {
    padding: 56px 24px;
  }

  .services {
    padding: 56px 24px;
  }

  .faq {
    padding: 56px 24px;
  }

  .conclusion {
    padding: 40px 24px 56px;
  }

  .services__list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .services__text {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .header__inner {
    padding: 16px 20px;
  }

  .hero {
    padding: 140px 20px 56px;
  }

  .form-section,
  .services,
  .faq {
    padding: 48px 20px;
  }

  .conclusion {
    padding: 32px 20px 48px;
  }
}