:root {
  color-scheme: dark;
  --radius: 0.875rem;
  --background: oklch(0.18 0.025 250);
  --foreground: oklch(0.97 0.005 240);
  --card: oklch(0.22 0.028 250);
  --surface: oklch(0.28 0.032 250);
  --primary: oklch(0.82 0.105 85);
  --primary-foreground: oklch(0.18 0.025 250);
  --primary-hover: oklch(0.74 0.11 78);
  --primary-bright: oklch(0.88 0.13 88);
  --muted-foreground: oklch(0.82 0.015 245);
  --info: oklch(0.72 0.14 250);
  --destructive: oklch(0.62 0.22 25);
  --border: oklch(0.32 0.03 250 / 0.6);
  --input: oklch(0.28 0.032 250);
  --gradient-gold: linear-gradient(135deg, oklch(0.88 0.13 88), oklch(0.74 0.11 78));
  --gradient-surface: linear-gradient(180deg, oklch(0.22 0.028 250) 0%, oklch(0.18 0.025 250) 100%);
  --shadow-gold: 0 10px 40px -10px color-mix(in oklab, var(--primary) 40%, transparent);
  --shadow-elevated: 0 20px 60px -20px oklch(0 0 0 / 0.6);
}

* {
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--background);
  background-image:
    radial-gradient(
      800px circle at 10% -10%,
      color-mix(in oklab, var(--primary) 8%, transparent),
      transparent 50%
    ),
    radial-gradient(
      900px circle at 100% 20%,
      color-mix(in oklab, var(--info) 6%, transparent),
      transparent 55%
    );
  color: var(--foreground);
  font-family: Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: Sora, system-ui, sans-serif;
  letter-spacing: -0.02em;
}

.site-static-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.site-static-bg picture,
.site-static-bg img {
  display: block;
  width: 100%;
  height: 100%;
}

.site-static-bg img {
  object-fit: cover;
  opacity: 0.5;
}

.site-static-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, var(--background) 35%, transparent);
}

.page-shell {
  position: relative;
  z-index: 10;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  background: color-mix(in oklab, var(--background) 95%, transparent);
  box-shadow: 0 12px 32px -26px rgba(0, 0, 0, 0.9);
}

.nav-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

.nav-inner {
  display: flex;
  min-height: 80px;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 12px 0;
}

.brand {
  display: flex;
  min-width: 0;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--foreground);
  font-family: Sora, system-ui, sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--primary) 25%, transparent);
}

.brand-text-gold,
.gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-menu {
  display: none;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid color-mix(in oklab, var(--border) 75%, transparent);
  border-radius: 16px;
  background: color-mix(in oklab, var(--card) 45%, transparent);
  padding: 6px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-menu a {
  white-space: nowrap;
  border-radius: 12px;
  padding: 10px 10px;
  color: var(--muted-foreground);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25rem;
  text-decoration: none;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.nav-menu a:hover,
.nav-menu .active {
  background: color-mix(in oklab, var(--primary) 10%, transparent);
  color: var(--primary);
}

.nav-menu .active {
  font-weight: 700;
  box-shadow:
    inset 0 0 0 1px color-mix(in oklab, var(--primary) 20%, transparent),
    0 0 0 1px color-mix(in oklab, var(--primary) 20%, transparent);
}

.desktop-full {
  display: none;
}

.nav-actions {
  display: none;
  flex-shrink: 0;
  align-items: center;
  gap: 8px;
}

.nav-action,
.nav-subscribe {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.nav-action {
  gap: 8px;
  border: 1px solid color-mix(in oklab, var(--primary) 55%, transparent);
  border-radius: 12px;
  background: color-mix(in oklab, var(--card) 55%, transparent);
  padding: 10px 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.nav-action:hover {
  background: color-mix(in oklab, var(--primary) 10%, transparent);
  color: var(--primary);
}

.nav-action svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.nav-subscribe,
.btn {
  background: var(--gradient-gold);
  color: var(--primary-foreground);
  font-weight: 600;
  box-shadow: var(--shadow-gold);
  transition:
    filter 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.nav-subscribe {
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 14px;
  line-height: 1.25rem;
}

.nav-subscribe:hover,
.btn:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.mobile-menu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.mobile-menu a,
.mobile-actions a {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  border-radius: 12px;
  background: color-mix(in oklab, var(--card) 48%, transparent);
  padding: 8px;
  color: var(--muted-foreground);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.mobile-menu a:hover,
.mobile-menu .active,
.mobile-actions a:hover {
  border-color: color-mix(in oklab, var(--primary) 50%, transparent);
  background: color-mix(in oklab, var(--primary) 10%, transparent);
  color: var(--primary);
}

.mobile-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mobile-actions .nav-action,
.mobile-actions .nav-subscribe {
  min-height: 44px;
  padding: 10px 12px;
  font-size: 14px;
}

.wrap {
  width: 100%;
  margin: 0 auto;
  padding: 0 0 88px;
}

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 520px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 80px 0;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background: url("/static-assets/hero-gym-desktop.png") center / cover no-repeat;
  opacity: 0.65;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: color-mix(in oklab, var(--background) 22%, transparent);
}

.hero-glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    900px circle at 70% 0%,
    color-mix(in oklab, var(--info) 6%, transparent),
    transparent 60%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, 1024px);
  margin: 0 auto;
  padding: 0 16px;
}

h1 {
  margin: 0;
  font-family: Sora, system-ui, sans-serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 672px;
  margin: 20px auto 0;
  color: var(--muted-foreground);
  font-size: 16px;
  line-height: 1.625;
}

.content-narrow,
.grid {
  width: min(100% - 36px, 1120px);
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
}

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

.card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0)),
    color-mix(in oklab, var(--card) 96%, transparent);
  box-shadow: var(--shadow-elevated);
  padding: 30px;
}

.card h2,
.card h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.01em;
}

.card p,
.card li {
  color: var(--muted-foreground);
  line-height: 1.55;
}

ol {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

ol li {
  display: flex;
  gap: 12px;
}

.step {
  display: grid;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  background: var(--gradient-gold);
  color: var(--primary-foreground);
  font-size: 12px;
  font-weight: 900;
}

.price {
  width: fit-content;
  margin: 18px auto 0;
  border: 1px solid color-mix(in oklab, var(--primary) 35%, transparent);
  border-radius: 18px;
  background:
    linear-gradient(
      180deg,
      color-mix(in oklab, var(--primary) 16%, transparent),
      color-mix(in oklab, var(--primary) 7%, transparent)
    ),
    color-mix(in oklab, var(--background) 40%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 14px 30px;
  text-align: center;
}

.price span {
  display: block;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.price strong {
  display: block;
  margin-top: 4px;
  color: var(--primary-bright);
  font-size: 30px;
}

label {
  display: block;
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 800;
}

.fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-full {
  grid-column: 1 / -1;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 96%, transparent);
  color: var(--foreground);
  font: inherit;
  padding: 14px 15px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

textarea {
  min-height: 170px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow:
    0 0 0 3px color-mix(in oklab, var(--primary) 12%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 15px;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  padding: 14px 28px;
  text-decoration: none;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.actions {
  display: flex;
  justify-content: center;
  margin-top: 22px;
}

.legal {
  margin-top: 22px;
  color: var(--muted-foreground);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

.legal a {
  color: var(--primary);
  font-weight: 800;
  text-decoration: none;
}

.payment {
  display: none;
  margin-top: 24px;
  border-color: color-mix(in oklab, var(--primary) 45%, transparent);
  background:
    linear-gradient(
      180deg,
      color-mix(in oklab, var(--primary) 9%, transparent),
      rgba(255, 255, 255, 0)
    ),
    color-mix(in oklab, var(--card) 98%, transparent);
}

.payment.show {
  display: block;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.detail {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: color-mix(in oklab, var(--background) 55%, transparent);
  padding: 16px;
}

.detail span {
  display: block;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.detail strong {
  display: block;
  margin-top: 5px;
  word-break: break-word;
}

.message {
  display: none;
  margin-top: 16px;
  border-radius: 16px;
  padding: 13px 15px;
  font-weight: 800;
  text-align: center;
}

.message.show {
  display: block;
}

.message.ok {
  border: 1px solid color-mix(in oklab, var(--primary) 45%, transparent);
  color: var(--primary);
}

.message.error {
  border: 1px solid color-mix(in oklab, var(--destructive) 55%, transparent);
  color: oklch(0.72 0.19 20);
}

footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border);
  padding: 30px 18px;
  background: color-mix(in oklab, var(--background) 45%, transparent);
  color: var(--muted-foreground);
  text-align: center;
}

@media (min-width: 640px) {
  .nav-shell {
    padding: 0 24px;
  }

  .brand {
    font-size: 30px;
  }

  .brand-logo {
    width: 48px;
    height: 48px;
  }

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

  h1 {
    font-size: 48px;
  }

  .hero {
    min-height: 460px;
  }

  .hero p {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .nav-shell {
    padding: 0 32px;
  }

  .nav-inner {
    height: 96px;
    min-height: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0;
  }

  .brand {
    justify-content: flex-start;
    gap: 16px;
  }

  .brand-logo {
    width: 64px;
    height: 64px;
  }

  .nav-menu,
  .nav-actions {
    display: flex;
  }

  .mobile-menu,
  .mobile-actions {
    display: none;
  }

  .hero {
    height: 480px;
    min-height: auto;
  }

  h1 {
    font-size: 60px;
    line-height: 1.1;
  }
}

@media (min-width: 1280px) {
  .nav-menu a {
    padding-left: 14px;
    padding-right: 14px;
    font-size: 15px;
  }
}

@media (min-width: 1536px) {
  .nav-menu a {
    padding-left: 16px;
    padding-right: 16px;
  }

  .desktop-compact {
    display: none;
  }

  .desktop-full {
    display: inline;
  }
}

@media (max-width: 820px) {
  .hero::before {
    background-image: url("/static-assets/hero-gym-mobile.jpg");
  }

  .grid,
  .fields,
  .payment-grid {
    grid-template-columns: 1fr;
  }
}