:root {
  color-scheme: dark;
  --ink: #ffffff;
  --muted: #c9d8ff;
  --panel: rgba(13, 18, 58, 0.86);
  --panel-strong: rgba(23, 16, 74, 0.94);
  --line: rgba(255, 255, 255, 0.18);
  --blue: #12c8ff;
  --yellow: #ffd528;
  --orange: #ff7a18;
  --red: #ff2e55;
  --purple: #6015c9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Impact, Haettenschweiler, "Arial Black", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 22% 8%, rgba(18, 200, 255, 0.32), transparent 28rem),
    radial-gradient(circle at 82% 14%, rgba(255, 46, 85, 0.28), transparent 24rem),
    linear-gradient(135deg, #071a80 0%, #1b0b7a 46%, #4a0785 100%);
  line-height: 1.45;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent);
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(8, 13, 60, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0;
  text-shadow: 0 3px 0 #061047, 0 0 18px rgba(255, 213, 40, 0.5);
}

.mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 46px;
  border: 3px solid white;
  border-radius: 8px;
  color: var(--yellow);
  background: linear-gradient(160deg, var(--red), var(--orange));
  box-shadow: 0 4px 0 #061047;
  transform: rotate(-5deg);
}

.brand-name {
  font-size: clamp(24px, 4vw, 36px);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

nav a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 14px;
}

nav a:hover,
nav a.active {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.14);
}

.language-switch {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.language-switch button {
  min-width: 42px;
  min-height: 32px;
  border: 0;
  border-radius: 6px;
  color: white;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}

.language-switch button.active {
  color: #08113f;
  background: var(--yellow);
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 72px));
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(5, 10, 45, 0.92) 0%, rgba(5, 10, 45, 0.58) 42%, rgba(5, 10, 45, 0.18) 100%),
    url("./assets/hero-store.jpg") center / cover no-repeat;
}

.hero-content {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 84px 0 58px;
}

.kicker {
  display: inline-flex;
  padding: 6px 10px;
  border: 2px solid white;
  border-radius: 8px;
  color: #08113f;
  background: var(--yellow);
  box-shadow: 0 3px 0 #061047;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  margin-top: 18px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.88;
  color: var(--yellow);
  text-shadow:
    0 5px 0 #061047,
    4px 8px 0 rgba(255, 46, 85, 0.7),
    0 0 26px rgba(18, 200, 255, 0.6);
}

.hero-copy {
  max-width: 620px;
  margin: 22px 0 0;
  color: white;
  font-family: system-ui, sans-serif;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  text-shadow: 0 2px 0 #061047;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 12px 22px;
  border: 3px solid white;
  border-radius: 10px;
  color: white;
  background: linear-gradient(#23d7ff, #0d71d9);
  box-shadow: 0 6px 0 #061047;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 20px;
}

.button.secondary {
  color: #08113f;
  background: linear-gradient(#ffe96a, #ff961f);
}

.band {
  padding: 64px 0;
}

.section-title {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 0.95;
  color: white;
  text-shadow: 0 4px 0 #061047;
}

.section-copy,
p,
li {
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-weight: 700;
}

.section-copy {
  max-width: 760px;
  font-size: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.feature-card,
.page-card {
  border: 3px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 8px 0 rgba(2, 6, 38, 0.5);
}

.feature-card {
  padding: 22px;
}

.feature-card h3 {
  color: var(--yellow);
  font-size: 28px;
  text-shadow: 0 3px 0 #061047;
}

.preview {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: center;
}

.preview img {
  width: 100%;
  display: block;
  border: 4px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  box-shadow: 0 12px 0 rgba(2, 6, 38, 0.55);
}

.store-banner {
  width: 100%;
  display: block;
  margin-top: 26px;
  border: 4px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
}

.page-main {
  padding: 56px 0 72px;
}

.page-card {
  max-width: 920px;
  padding: 30px;
}

.page-card h1 {
  max-width: none;
  margin-bottom: 18px;
  font-size: clamp(38px, 6vw, 72px);
}

.notice {
  padding: 16px;
  border: 2px solid rgba(255, 213, 40, 0.7);
  border-radius: 8px;
  color: #fff7bb;
  background: rgba(255, 213, 40, 0.12);
  font-family: system-ui, sans-serif;
  font-weight: 800;
}

.notice.compact {
  margin: 0;
  padding: 12px 14px;
  font-size: 14px;
}

.form-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 6px;
  color: white;
  font-family: system-ui, sans-serif;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: white;
  background: rgba(2, 6, 38, 0.62);
  font: 700 16px system-ui, sans-serif;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.status {
  min-height: 24px;
  color: #fff7bb;
  font-family: system-ui, sans-serif;
  font-weight: 800;
}

footer {
  padding: 26px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .hero {
    min-height: 680px;
    background:
      linear-gradient(180deg, rgba(5, 10, 45, 0.92) 0%, rgba(5, 10, 45, 0.62) 54%, rgba(5, 10, 45, 0.2) 100%),
      url("./assets/hero-store.jpg") center / cover no-repeat;
  }

  .feature-grid,
  .preview {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}
