:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --text-soft: #b8c4d6;
  --accent: #f6b617;
  --accent-dark: #d99800;
  --border: rgba(255, 255, 255, 0.1);
  --success: #123328;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  --radius: 24px;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #07111f 0%, #0a1626 100%);
  color: var(--text);
  line-height: 1.6;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.section {
  padding: 90px 0;
}

.section-top {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.section-top h2 {
  font-size: 40px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-top p {
  color: var(--text-soft);
  font-size: 17px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 17, 31, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 20px;
}

.logo__title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
}

.logo__title span {
  color: var(--accent);
}

.logo__subtitle {
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 13px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  color: #dce6f5;
  transition: 0.25s;
}

.nav a:hover {
  color: var(--accent);
}

.burger {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 14px;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 70px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
}

.hero::before {
  width: 320px;
  height: 320px;
  background: #f6b617;
  top: -80px;
  right: -60px;
}

.hero::after {
  width: 260px;
  height: 260px;
  background: #1d6fb8;
  left: -60px;
  bottom: -40px;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.hero__badge {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid rgba(246, 182, 23, 0.25);
  background: rgba(246, 182, 23, 0.08);
  color: #ffd56d;
  border-radius: 999px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 600;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.08;
  margin-bottom: 20px;
}

.hero__text {
  max-width: 690px;
  color: var(--text-soft);
  font-size: 18px;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 18px;
  font-weight: 700;
  transition: 0.25s;
}

.btn--primary {
  background: var(--accent);
  color: #08111f;
}

.btn--primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn--secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

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

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero__tags span,
.chips span {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: #e5eefb;
}

.hero__card,
.results__box,
.installment__box,
.contact__wrapper,
.service-card,
.package-card,
.advantage-item,
.step,
.card,
.faq-item {
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
}

.hero__card {
  padding: 28px;
  border-radius: 28px;
}

.hero__card h3 {
  font-size: 28px;
  margin-bottom: 18px;
}

.hero__card ul {
  list-style: none;
  display: grid;
  gap: 14px;
}

.hero__card li {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.18);
  color: #f1f5fb;
}

.hero__card-note {
  margin-top: 18px;
  color: var(--text-soft);
}

.results {
  padding: 0 0 40px;
}

.results__box {
  border-radius: 30px;
  padding: 40px;
  background: rgba(18, 51, 40, 0.65);
}

.results__grid,
.advantages__grid,
.steps__grid,
.grid-4 {
  display: grid;
  gap: 20px;
}

.results__grid,
.advantages__grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 30px;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card,
.advantage-item {
  padding: 22px;
  border-radius: 20px;
}

.service-card,
.package-card {
  border-radius: 24px;
  padding: 28px;
}

.service-card__icon {
  font-size: 34px;
  margin-bottom: 16px;
}

.service-card h3,
.package-card h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.service-card p,
.package-card p,
.advantage-item,
.card {
  color: var(--text-soft);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.steps__grid {
  grid-template-columns: repeat(4, 1fr);
}

.step {
  border-radius: 22px;
  padding: 24px;
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--accent);
  color: #08111f;
  font-weight: 800;
}

.installment__box {
  border-radius: 30px;
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(246, 182, 23, 0.14), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.05);
}

.installment__content {
  max-width: 720px;
}

.installment__content h2 {
  font-size: 42px;
  line-height: 1.15;
  margin: 10px 0 16px;
}

.installment__content p {
  color: var(--text-soft);
  margin-bottom: 18px;
}

.installment__content ul {
  list-style: none;
  margin-bottom: 26px;
  display: grid;
  gap: 12px;
}

.installment__content li {
  position: relative;
  padding-left: 22px;
}

.installment__content li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 22px;
  line-height: 1;
}

.faq__list {
  display: grid;
  gap: 16px;
}

.faq-item {
  border-radius: 20px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 22px 24px;
  border: none;
  background: transparent;
  color: #fff;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
}

.faq-question span {
  font-size: 28px;
  color: var(--accent);
  transition: transform 0.25s ease;
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  color: var(--text-soft);
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question span {
  transform: rotate(45deg);
}

.contact__wrapper {
  border-radius: 30px;
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.contact__info p {
  color: var(--text-soft);
}

.contact__details {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.contact__details p strong {
  color: #fff;
}

.contact__form {
  display: grid;
  gap: 14px;
}

.contact__form input,
.contact__form select,
.contact__form textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-radius: 16px;
  padding: 16px 18px;
  outline: none;
}

.contact__form input::placeholder,
.contact__form textarea::placeholder {
  color: #9fb0c8;
}

.contact__form textarea {
  resize: vertical;
  min-height: 120px;
}

.whatsapp-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1000;
  padding: 14px 18px;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.35);
}

@media (max-width: 1100px) {
  .hero__grid,
  .contact__wrapper,
  .results__grid,
  .advantages__grid,
  .grid-4,
  .steps__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 46px;
  }
}

@media (max-width: 860px) {
  .burger {
    display: block;
  }

  .nav {
    position: absolute;
    top: 82px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(7, 17, 31, 0.98);
  }

  .nav.active {
    display: flex;
  }

  .hero {
    padding-top: 56px;
  }

  .hero__grid,
  .contact__wrapper,
  .results__grid,
  .advantages__grid,
  .grid-4,
  .steps__grid {
    grid-template-columns: 1fr;
  }

  .hero h1,
  .section-top h2,
  .installment__content h2 {
    font-size: 34px;
  }

  .section {
    padding: 72px 0;
  }

  .results__box,
  .installment__box,
  .contact__wrapper {
    padding: 24px;
  }

  .logo__title {
    font-size: 24px;
  }

  .logo__subtitle {
    font-size: 12px;
    max-width: 200px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero__text,
  .section-top p {
    font-size: 16px;
  }

  .btn {
    width: 100%;
  }

  .hero__buttons {
    flex-direction: column;
  }
}