:root {
  --color-bg: #1b262c;
  --color-surface: #0f4c75;
  --color-primary: #3282b8;
  --color-text: #bbe1fa;
  --color-white: #ffffff;
  --font-base: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  --font-heading: "Poppins", "Segoe UI", Arial, sans-serif;
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 14px 36px rgba(0, 0, 0, 0.26);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --space-xs: 8px;
  --space-sm: 14px;
  --space-md: 20px;
  --space-lg: 32px;
  --space-xl: 52px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(165deg, var(--color-bg), #10232f);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-white);
}

img {
  max-width: 100%;
  display: block;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(27, 38, 44, 0.96);
  border-bottom: 1px solid rgba(187, 225, 250, 0.18);
}

.header-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  min-height: 68px;
  padding: 10px 0;
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  letter-spacing: 0.4px;
  font-weight: 600;
  color: var(--color-white);
}

.menu-toggle {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(187, 225, 250, 0.35);
  background: transparent;
  color: var(--color-text);
  border-radius: 6px;
}

.menu-toggle::before,
.menu-toggle::after,
.menu-toggle > span {
  content: "";
  position: absolute;
  left: 12px;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform 0.22s ease, opacity 0.2s ease, top 0.22s ease;
}

.menu-toggle::before {
  top: 15px;
}

.menu-toggle > span {
  top: 22px;
}

.menu-toggle::after {
  top: 29px;
}

.menu-toggle.is-active::before {
  top: 22px;
  transform: rotate(45deg);
}

.menu-toggle.is-active > span {
  opacity: 0;
}

.menu-toggle.is-active::after {
  top: 22px;
  transform: rotate(-45deg);
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.92rem;
  color: var(--color-text);
  border: 1px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  border-color: rgba(187, 225, 250, 0.35);
  background: rgba(187, 225, 250, 0.08);
}

main section {
  padding: var(--space-xl) 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
  margin-top: 0;
  color: var(--color-white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-lg);
  align-items: start;
}

.panel {
  background: rgba(15, 76, 117, 0.58);
  border: 1px solid rgba(187, 225, 250, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.price-current {
  color: var(--color-white);
  font-size: 2rem;
  font-weight: 800;
}

.price-old {
  text-decoration: line-through;
  opacity: 0.75;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.badge {
  background: rgba(50, 130, 184, 0.3);
  border: 1px solid rgba(187, 225, 250, 0.32);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.95rem;
}

.image-frame {
  background: rgba(187, 225, 250, 0.08);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(187, 225, 250, 0.22);
  padding: var(--space-md);
}

form {
  display: grid;
  gap: var(--space-sm);
}

label {
  display: grid;
  gap: 6px;
  font-weight: 500;
}

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

input,
textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(187, 225, 250, 0.35);
  padding: 12px;
  background: rgba(27, 38, 44, 0.66);
  color: var(--color-white);
}

input:focus,
textarea:focus,
button:focus-visible {
  outline: 2px solid rgba(187, 225, 250, 0.65);
  outline-offset: 1px;
}

.input-error {
  border-color: #ff8f8f;
}

.error {
  color: #ffcaca;
  min-height: 1.2em;
  font-size: 0.88rem;
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.checkbox-row input {
  width: auto;
  margin-top: 5px;
}

.btn {
  border: 0;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: #286d98;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(187, 225, 250, 0.42);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.card {
  background: rgba(15, 76, 117, 0.48);
  border: 1px solid rgba(187, 225, 250, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.faq-item {
  margin-bottom: var(--space-sm);
}

.faq-item button {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.faq-item button::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(187, 225, 250, 0.55);
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-item.open button::after {
  transform: rotate(45deg);
  background: rgba(187, 225, 250, 0.18);
}

.faq-answer {
  display: none;
  padding: 10px 0;
}

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

.cta-box {
  text-align: center;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.contact-links .btn {
  text-align: center;
}

.site-footer {
  border-top: 1px solid rgba(187, 225, 250, 0.25);
  padding: var(--space-lg) 0;
  background: rgba(15, 76, 117, 0.82);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  background: rgba(15, 76, 117, 0.97);
  border: 1px solid rgba(187, 225, 250, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  z-index: 60;
}

.cookie-actions,
.cookie-settings {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.cookie-settings {
  margin-top: 12px;
  align-items: center;
}

.cookie-settings label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legal-main {
  padding: var(--space-xl) 0;
}

.legal-main article {
  background: rgba(15, 76, 117, 0.5);
  border: 1px solid rgba(187, 225, 250, 0.24);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.success-wrap {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
}

@media (max-width: 980px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .header-wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    min-height: 60px;
  }

  .menu-toggle {
    display: inline-flex;
    z-index: 75;
  }

  .main-nav {
    display: none;
  }

  .main-nav.is-open {
    display: flex;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    background: rgba(27, 38, 44, 0.99);
    padding: 76px 18px 18px;
    z-index: 70;
    overflow-y: auto;
  }

  .main-nav ul {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    width: 100%;
    justify-content: center;
    min-height: 44px;
    font-size: 0.98rem;
    border: 1px solid rgba(187, 225, 250, 0.25);
    background: rgba(187, 225, 250, 0.06);
  }

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

  .panel {
    padding: var(--space-md);
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  :root {
    --space-xl: 40px;
    --space-lg: 24px;
    --space-md: 16px;
    --space-sm: 12px;
  }

  .container {
    width: min(100% - 20px, var(--container));
  }

  main section {
    padding: var(--space-lg) 0;
  }

  h1 {
    font-size: 1.7rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .brand {
    font-size: 1.05rem;
  }

  .main-nav ul {
    gap: 4px;
    justify-content: flex-start;
  }

  .main-nav a {
    padding: 6px 8px;
    font-size: 0.92rem;
  }

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

  .price-box {
    flex-wrap: wrap;
    align-items: center;
  }

  .price-current {
    font-size: 1.7rem;
  }

  .hero-meta {
    gap: var(--space-sm);
  }

  .badge {
    font-size: 0.88rem;
  }

  .btn {
    width: 100%;
    padding: 11px 14px;
  }

  .faq-item button.btn {
    width: 100%;
  }

  .contact-links {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-banner {
    left: 10px;
    right: 10px;
    bottom: 10px;
    padding: var(--space-sm);
  }

  .cookie-actions,
  .cookie-settings {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-settings label {
    justify-content: flex-start;
  }

  .footer-links {
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 16px, var(--container));
  }

  .site-header {
    position: static;
  }

  .header-wrap {
    padding: 10px 0;
  }

  .panel {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
  }

  input,
  textarea {
    padding: 10px;
  }

  .checkbox-row {
    gap: 8px;
  }

  .checkbox-row span {
    font-size: 0.92rem;
  }

  .footer-grid p {
    margin: 0;
  }
}

@media (max-width: 375px) {
  .brand {
    font-size: 1rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.26rem;
  }

  .price-current {
    font-size: 1.48rem;
  }

  .main-nav ul {
    grid-template-columns: 1fr;
  }

  .badge {
    width: 100%;
    text-align: center;
  }

  .cookie-banner h2 {
    font-size: 1.1rem;
  }
}

@media (max-width: 320px) {
  .container {
    width: min(100% - 12px, var(--container));
  }

  body {
    font-size: 14px;
    line-height: 1.5;
  }

  .header-wrap {
    gap: 8px;
  }

  .brand {
    font-size: 0.96rem;
  }

  .main-nav a {
    font-size: 0.84rem;
    padding: 6px;
  }

  .panel {
    padding: 10px;
  }

  h1 {
    font-size: 1.34rem;
  }

  h2 {
    font-size: 1.12rem;
  }

  h3 {
    font-size: 1rem;
  }

  .price-current {
    font-size: 1.32rem;
  }

  input,
  textarea,
  .btn {
    font-size: 0.92rem;
  }

  .cookie-banner {
    left: 6px;
    right: 6px;
    bottom: 6px;
    padding: 10px;
  }

  .footer-links a {
    font-size: 0.88rem;
  }
}