/* MSA Bikers — design system (claro / oscuro) */
@import url("https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=Sora:wght@400;500;600;700&display=swap");

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070a08;
  --bg-elevated: #101612;
  --bg-soft: #161d18;
  --bg-input: #0c110e;
  --ink: #f4f1e8;
  --ink-strong: #ffffff;
  --muted: #9aa698;
  --line: rgba(244, 241, 232, 0.1);
  --line-strong: rgba(244, 241, 232, 0.18);
  --accent: #c8f000;
  --accent-soft: rgba(200, 240, 0, 0.14);
  --accent-ink: #0d1208;
  --danger: #ff6b5a;
  --danger-soft: rgba(255, 107, 90, 0.14);
  --ok: #5dffb0;
  --ok-soft: rgba(93, 255, 176, 0.14);
  --warn: #ffc857;
  --warn-soft: rgba(255, 200, 87, 0.14);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --header-bg: rgba(7, 10, 8, 0.78);
  --hero-veil: linear-gradient(180deg, rgba(7, 10, 8, 0.2) 0%, rgba(7, 10, 8, 0.92) 72%);
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  --font-display: "Syne", sans-serif;
  --font-body: "Sora", sans-serif;
  --radius: 10px;
  --radius-sm: 6px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2ea;
  --bg-elevated: #ffffff;
  --bg-soft: #e4eadf;
  --bg-input: #f7faf5;
  --ink: #152018;
  --ink-strong: #0a100c;
  --muted: #5d6b60;
  --line: rgba(21, 32, 24, 0.1);
  --line-strong: rgba(21, 32, 24, 0.16);
  --accent: #8fb000;
  --accent-soft: rgba(143, 176, 0, 0.16);
  --accent-ink: #10160a;
  --danger: #d6453a;
  --danger-soft: rgba(214, 69, 58, 0.12);
  --ok: #1f9d63;
  --ok-soft: rgba(31, 157, 99, 0.12);
  --warn: #c48900;
  --warn-soft: rgba(196, 137, 0, 0.12);
  --shadow: 0 16px 40px rgba(21, 32, 24, 0.1);
  --header-bg: rgba(238, 242, 234, 0.86);
  --hero-veil: linear-gradient(180deg, rgba(238, 242, 234, 0.15) 0%, rgba(238, 242, 234, 0.94) 75%);
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    var(--noise),
    radial-gradient(900px 480px at 8% -8%, var(--accent-soft), transparent 55%),
    radial-gradient(700px 420px at 100% 0%, rgba(80, 120, 90, 0.18), transparent 50%),
    linear-gradient(165deg, var(--bg) 0%, var(--bg-soft) 48%, var(--bg) 100%);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      -12deg,
      transparent 0,
      transparent 11px,
      rgba(127, 127, 127, 0.015) 11px,
      rgba(127, 127, 127, 0.015) 12px
    );
  z-index: 0;
}

.site-header,
.flash-wrap,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
a:hover { color: var(--ink-strong); }

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink-strong);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.85rem 1.35rem;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-strong);
  text-decoration: none;
  font-size: 1.05rem;
}
.brand:hover { color: var(--accent); text-decoration: none; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem 0.85rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.35rem 0.2rem;
}
.site-nav a:hover { color: var(--ink-strong); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-elevated);
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.theme-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.page {
  padding: 1.75rem 1.35rem 3.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.flash-wrap {
  padding: 0.85rem 1.35rem 0;
  max-width: 1080px;
  margin: 0 auto;
}
.flash {
  margin: 0.4rem 0;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  font-weight: 500;
}
.flash-danger { border-color: transparent; background: var(--danger-soft); color: var(--danger); }
.flash-success { border-color: transparent; background: var(--ok-soft); color: var(--ok); }
.flash-warning { border-color: transparent; background: var(--warn-soft); color: var(--warn); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 46px;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s var(--ease), filter 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 10px 28px var(--accent-soft);
}
.btn-primary:hover { filter: brightness(1.06); color: var(--accent-ink); }

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: color-mix(in srgb, var(--bg-elevated) 70%, transparent);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--ink-strong);
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger-soft); }

label {
  display: block;
  margin: 0.95rem 0 0.4rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

input,
textarea,
select {
  width: 100%;
  min-height: 46px;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--bg-input);
  color: var(--ink);
  font-size: 16px;
  font-family: var(--font-body);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
textarea { min-height: 110px; resize: vertical; }
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.site-footer {
  margin-top: auto;
  padding: 1.5rem 1.35rem 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.brand-mark {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-body);
}

@media (max-width: 640px) {
  .site-header { padding: 0.75rem 1rem; }
  .site-nav { gap: 0.25rem 0.65rem; }
  .site-nav a { font-size: 0.85rem; }
  .page { padding: 1.25rem 1rem 3rem; }
}