:root {
  --color-primary: #0f2854;
  --color-secondary: #1c4d8d;
  --color-accent: #4988c4;
  --color-soft: #bde8f5;
  --color-bg: #f6fbff;
  --color-white: #ffffff;
  --color-text: #10243f;
  --color-muted: #45658b;
  --color-border: #d6e8f3;
  --color-success: #0f7a46;
  --color-error: #b3261e;
  --font-base: "Inter", "Segoe UI", Arial, sans-serif;
  --font-heading: "Montserrat", "Segoe UI", Arial, sans-serif;
  --fs-xxl: clamp(2rem, 4.2vw, 3.1rem);
  --fs-xl: clamp(1.5rem, 3vw, 2.2rem);
  --fs-lg: 1.25rem;
  --fs-md: 1rem;
  --fs-sm: 0.92rem;
  --shadow-soft: 0 8px 26px rgba(15, 40, 84, 0.09);
  --shadow-medium: 0 14px 36px rgba(15, 40, 84, 0.14);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --space-xxs: 0.4rem;
  --space-xs: 0.6rem;
  --space-sm: 0.9rem;
  --space-md: 1.2rem;
  --space-lg: 1.8rem;
  --space-xl: 2.6rem;
  --space-xxl: 3.8rem;
  --content-max: 1140px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

header,
main,
section,
article,
footer,
nav {
  width: 100%;
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

nav {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.2px;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
}

.menu-toggle-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: inline;
}

.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-muted);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-primary);
}

main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-xxl);
}

section {
  margin-bottom: var(--space-xxl);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

h1 {
  font-size: var(--fs-xxl);
}

h2 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

p {
  margin-top: 0;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.hero-media,
.panel,
.content-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-media {
  padding: var(--space-lg);
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-soft);
  color: var(--color-primary);
  border-radius: 999px;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.hero-info {
  display: grid;
  gap: var(--space-md);
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.price-now {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
}

.price-old {
  font-size: 1rem;
  color: var(--color-muted);
  text-decoration: line-through;
}

.badge {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.42rem 0.78rem;
  font-size: 0.8rem;
  letter-spacing: 0.2px;
  background: #e7f5ea;
  color: var(--color-success);
  font-weight: 700;
}

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

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

label {
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--fs-sm);
}

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

input,
textarea {
  width: 100%;
  border: 1px solid #c4d8e8;
  border-radius: var(--radius-sm);
  padding: 0.72rem 0.84rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(73, 136, 196, 0.22);
}

textarea {
  min-height: 118px;
  resize: vertical;
}

.checkbox-row {
  display: flex;
  gap: var(--space-xs);
  align-items: flex-start;
}

.checkbox-row input {
  width: auto;
  margin-top: 4px;
}

.field-error {
  font-size: 0.8rem;
  color: var(--color-error);
  min-height: 1rem;
}

.form-status {
  font-size: var(--fs-sm);
  min-height: 1.1rem;
  color: var(--color-muted);
}

button {
  border: 0;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: #a2d9ed;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

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

.content-card h3 {
  margin-bottom: var(--space-xs);
  font-size: 1.12rem;
}

.faq-list {
  display: grid;
  gap: var(--space-sm);
}

details {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
}

summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary);
}

summary:hover {
  color: var(--color-secondary);
}

.cta {
  background: linear-gradient(180deg, #eff8fc, #deeff9);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}

footer {
  background: var(--color-primary);
  color: #e8f0f7;
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-links a {
  color: #d4e6f8;
  font-size: var(--fs-sm);
}

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

.legal-main article {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.thank-you-main {
  min-height: 68vh;
  display: grid;
  place-items: center;
}

.success-panel {
  max-width: 760px;
  text-align: center;
}

.order-success-main {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.order-success-panel {
  max-width: 860px;
  text-align: left;
  display: grid;
  gap: var(--space-md);
}

.success-symbol {
  width: 54px;
  height: 54px;
  margin: 0 auto;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #e7f5ea;
  color: var(--color-success);
  font-size: 1.5rem;
  font-weight: 800;
}

.next-steps {
  background: #f3f9fe;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.next-steps h2 {
  margin-bottom: var(--space-sm);
}

.next-steps ol {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: var(--space-xs);
}

.order-box,
.support-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-white);
}

.order-name {
  margin-bottom: 0.2rem;
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 800;
}

.order-price {
  margin-bottom: 0.25rem;
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 800;
}

.success-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.success-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

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

.trust-points p {
  margin: 0;
  background: #f0f8ff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.8rem;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-align: center;
}

.cookie-banner {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: min(420px, calc(100% - 2rem));
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  padding: var(--space-md);
  z-index: 60;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.cookie-switches {
  display: none;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.cookie-switches.active {
  display: grid;
  gap: var(--space-xs);
}

.cookie-switches label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

.cookie-switches input[type="checkbox"] {
  width: auto;
}

@media (max-width: 1200px) {
  main,
  nav,
  .footer-inner {
    max-width: 100%;
  }

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

@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .price-row {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  nav {
    align-items: center;
    flex-direction: row;
    padding: var(--space-sm) var(--space-md);
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
    position: relative;
    z-index: 80;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: rgba(15, 40, 84, 0.98);
    padding: 6rem 1.2rem 1.6rem;
    z-index: 70;
    gap: var(--space-md);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    overflow-y: auto;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    color: #ffffff;
    font-size: 1.08rem;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  main {
    padding: var(--space-lg) var(--space-md) var(--space-xl);
  }

  .cta {
    padding: var(--space-lg);
  }

  .hero-media,
  .panel,
  .content-card,
  .legal-main article {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .trust-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  :root {
    --space-lg: 1.3rem;
    --space-xl: 1.7rem;
    --space-xxl: 2.4rem;
  }

  body {
    line-height: 1.5;
  }

  .brand {
    font-size: 1rem;
    word-break: break-word;
  }

  .price-now {
    font-size: 1.55rem;
  }

  .price-old {
    font-size: 0.95rem;
  }

  button {
    width: 100%;
  }

  .cookie-banner {
    right: 0.5rem;
    bottom: 0.5rem;
    width: calc(100% - 1rem);
    padding: var(--space-sm);
  }

  .cookie-actions {
    flex-direction: column;
  }

  .footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

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

@media (max-width: 480px) {
  h1 {
    font-size: clamp(1.55rem, 8vw, 1.95rem);
  }

  h2 {
    font-size: clamp(1.2rem, 6vw, 1.5rem);
  }

  main {
    padding: var(--space-md) var(--space-sm) var(--space-xl);
  }

  .hero-media,
  .panel,
  .content-card,
  details {
    padding: var(--space-sm);
  }

  .rating {
    font-size: 0.82rem;
  }

  input,
  textarea {
    padding: 0.68rem 0.72rem;
  }

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

@media (max-width: 375px) {
  .footer-links {
    grid-template-columns: 1fr;
  }

  .checkbox-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .checkbox-row input {
    margin-top: 0;
  }
}

@media (max-width: 360px) {
  .brand {
    font-size: 0.94rem;
  }

  .price-now {
    font-size: 1.38rem;
  }

  .price-old {
    font-size: 0.88rem;
  }
}

@media (max-width: 320px) {
  :root {
    --fs-sm: 0.86rem;
  }

  nav {
    padding: 0.65rem 0.58rem;
  }

  .nav-links {
    padding: 5.2rem 0.8rem 1rem;
  }

  main {
    padding: 0.95rem 0.58rem 1.5rem;
  }

  .hero {
    gap: 0.85rem;
  }

  .hero-media,
  .panel,
  .content-card,
  .legal-main article,
  details,
  .cta,
  .cookie-banner {
    border-radius: 12px;
    padding: 0.72rem;
  }

  h1 {
    font-size: 1.42rem;
  }

  h2 {
    font-size: 1.08rem;
    margin-bottom: 0.6rem;
  }

  .cookie-banner {
    right: 0.3rem;
    bottom: 0.3rem;
    width: calc(100% - 0.6rem);
  }
}