:root {
  --bg: #dfe6f2;
  --surface: #ffffff;
  --surface-2: #f4f6fb;
  --surface-3: #eef2fb;
  --border: rgba(17, 24, 39, 0.12);
  --border-2: rgba(17, 24, 39, 0.18);
  --text: #111827;
  --text-secondary: rgba(17, 24, 39, 0.78);
  --muted: rgba(17, 24, 39, 0.60);
  --muted-2: rgba(17, 24, 39, 0.46);
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --accent-light: rgba(37, 99, 235, 0.12);
  --accent-border: rgba(37, 99, 235, 0.22);
  --accent-glow: 0 18px 46px rgba(37, 99, 235, 0.16);
  --shadow: 0 28px 80px rgba(17, 24, 39, 0.16);
  --shadow-sm: 0 16px 44px rgba(17, 24, 39, 0.14);
  --shadow-xs: 0 10px 24px rgba(17, 24, 39, 0.12);
  --radius: 16px;
  --radius-sm: 12px;
  --container: 1100px;
}

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

html,
body {
  height: 100%;
}

html {
  /* Prevent horizontal layout jump when vertical scrollbar appears/disappears across pages. */
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Manrope", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92em;
  padding: 0.15em 0.4em;
  border-radius: 8px;
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  color: var(--accent-2);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  padding: 0.6rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  transform: translateY(-140%);
  transition: transform 160ms ease;
  z-index: 60;
  box-shadow: var(--shadow-sm);
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-border), var(--shadow-sm);
}

.page {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.section {
  padding: 2.5rem 0;
}

.page-hero {
  position: relative;
  padding: 2.3rem 0 1.15rem 0;
  overflow: clip;
}

.page-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -130px;
  height: 420px;
  background:
    radial-gradient(860px 340px at 12% 30%, rgba(37, 99, 235, 0.2), transparent 62%),
    radial-gradient(640px 300px at 88% 24%, rgba(56, 189, 248, 0.13), transparent 60%);
  pointer-events: none;
}

.page-hero > .container {
  position: relative;
  z-index: 1;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(37, 99, 235, 0.2);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 249, 255, 0.9));
  box-shadow: 0 16px 42px rgba(17, 24, 39, 0.1);
  padding: clamp(1rem, 2vw, 1.45rem);
}

.page-hero > .container::after {
  content: "";
  position: absolute;
  right: -44px;
  top: -44px;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2), rgba(37, 99, 235, 0) 68%);
  pointer-events: none;
}

.page-title {
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0.6rem 0 0.5rem 0;
  font-weight: 800;
  font-size: clamp(1.8rem, 1.2rem + 1.8vw, 2.8rem);
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-lead {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
  font-size: 1.05rem;
  line-height: 1.6;
  font-weight: 700;
}

.section-title {
  letter-spacing: -0.02em;
  margin: 0 0 0.65rem 0;
  font-weight: 800;
  font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.65rem);
  color: var(--text);
}

.section-subtitle {
  margin: 0 0 1.25rem 0;
  color: var(--muted);
  max-width: 75ch;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-xs);
  transition: box-shadow 200ms ease, transform 200ms ease, border-color 200ms ease;
}

.card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-border);
  transform: translateY(-1px);
}

.card h3 {
  margin: 0 0 0.45rem 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent-border);
  background: var(--accent-light);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 0.85rem;
  font-weight: 700;
}

.pill.vip {
  border-color: rgba(255, 204, 128, 0.45);
  background: rgba(255, 204, 128, 0.18);
  color: rgba(180, 83, 9, 0.95);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.muted-2 {
  color: var(--muted-2);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-2);
  background: rgba(255, 255, 255, 0.78);
  font-weight: 600;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.tag[data-tone="accent"] {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease, border-color 140ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  background: var(--surface-3);
  border-color: var(--border-2);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  border-color: rgba(37, 99, 235, 0.65);
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.18);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-2) 0%, #1e40af 100%);
  box-shadow: var(--accent-glow);
  border-color: rgba(37, 99, 235, 0.85);
}

.btn-cta {
  padding-inline: 1.2rem;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 44px rgba(2, 6, 23, 0.14), 0 14px 34px rgba(37, 99, 235, 0.18);
}

.btn-cta:hover {
  box-shadow: 0 22px 56px rgba(2, 6, 23, 0.16), var(--accent-glow);
}

.btn-sm {
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--accent-2);
}

.btn-ghost:hover {
  background: var(--accent-light);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  justify-content: space-between;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-2);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xs);
}

.toolbar-left,
.toolbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.control {
  display: grid;
  gap: 0.35rem;
}

.control label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: -0.005em;
}

.input,
.select,
.textarea {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  padding: 0.72rem 0.9rem;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  min-width: 220px;
  box-shadow: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--muted-2);
}

.select {
  color: var(--text-secondary);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-light);
  border-color: var(--accent);
  background: var(--surface-3);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(8px);
  animation: fadeIn 500ms cubic-bezier(.2,.8,.2,1) forwards;
}

.fade-in.delay-1 { animation-delay: 80ms; }
.fade-in.delay-2 { animation-delay: 160ms; }
.fade-in.delay-3 { animation-delay: 240ms; }

@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* Alert messages */
.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
}

.alert-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
}

.alert-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #f87171;
}

@media (max-width: 900px) {
  .page-hero > .container {
    border-radius: 14px;
    padding: 0.9rem 0.95rem;
  }

  .page-hero > .container::after {
    right: -36px;
    top: -36px;
    width: 132px;
    height: 132px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
  .input,
  .select,
  .textarea {
    min-width: min(100%, 360px);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}