/* =========================================================
   Variables
   ========================================================= */
:root {
  /* Colors */
  --color-background: #050b18; /* deep navy background */
  --color-surface: #0e1726;   /* elevated surface / cards */
  --color-surface-soft: #141f33;
  --color-text: #f5f7fb;
  --color-text-muted: #a5afc4;
  --color-primary: #2563eb;   /* clear actionable blue */
  --color-primary-soft: rgba(37, 99, 235, 0.12);
  --color-success: #22c55e;   /* soft green accent */
  --color-warning: #fbbf24;
  --color-danger: #ef4444;

  --color-border-subtle: #232c3d;
  --color-border-strong: #3b455a;
  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2933;
  --color-neutral-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.28);
  --shadow-subtle: 0 10px 30px rgba(3, 7, 18, 0.55);
  --shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.02);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 240ms ease-out;
}

/* =========================================================
   Reset / Normalize
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

h1, h2, h3, h4, h5, h6,
p, figure, blockquote,
dl, dd {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
}

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

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

img {
  height: auto;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

button {
  border: none;
  padding: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

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

input, textarea, select {
  border-radius: 0;
}

/* =========================================================
   Base Styles
   ========================================================= */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-base);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-neutral-50);
}

h1 {
  font-size: clamp(2rem, 2.6vw, 2.75rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.5rem, 2vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.125rem;
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 600;
}

small {
  font-size: var(--font-size-xs);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-base);
}

a:hover {
  opacity: 0.9;
}

code, pre {
  font-family: var(--font-mono);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

/* =========================================================
   Accessibility & Motion
   ========================================================= */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Layout Utilities
   ========================================================= */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  max-width: 1120px;
}

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section--dense {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

/* Flex helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

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

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

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

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

/* =========================================================
   Components
   ========================================================= */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-pill);
  padding: 0.6rem 1.4rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #38bdf8);
  color: #0b1020;
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 44px rgba(37, 99, 235, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.4);
}

.btn-ghost {
  background-color: rgba(15, 23, 42, 0.6);
  color: var(--color-text);
  border-color: var(--color-border-subtle);
}

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.9);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success), #4ade80);
  color: #04120a;
}

.btn[disabled],
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-icon {
  padding-inline: var(--space-3);
}

/* Inputs */
.field-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background-color: #050816;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-inner);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

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

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.5);
}

input[disabled],
select[disabled],
textarea[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Cards - used for sportsbook / offer comparisons */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 58%),
              radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.06), transparent 55%),
              var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: var(--shadow-subtle);
  padding: var(--space-4);
}

.card--tight {
  padding: var(--space-3);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-meta-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-block: var(--space-3);
}

.card-meta-item-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.card-meta-item-value {
  font-size: var(--font-size-md);
  font-weight: 500;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

/* Tag / pill labels (e.g., Verified, Best Odds, Risk-Free) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge-verified {
  background-color: rgba(34, 197, 94, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(34, 197, 94, 0.5);
}

.badge-neutral {
  background-color: rgba(148, 163, 184, 0.14);
  color: var(--color-text-muted);
}

/* Offer rating / trust indicators */
.trust-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.trust-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: radial-gradient(circle, var(--color-success), #16a34a);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.25);
}

/* Simple top-level layout helpful for the aggregator homepage */
.site-header {
  border-bottom: 1px solid var(--color-border-subtle);
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.88));
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.site-logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: conic-gradient(from 210deg, var(--color-primary), #22c55e, #38bdf8, var(--color-primary));
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.55);
}

.site-main-hero {
  padding-top: var(--space-10);
  padding-bottom: var(--space-6);
}

.site-hero-heading {
  max-width: 32rem;
}

.site-hero-subtitle {
  max-width: 30rem;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-4);
}

/* Offer list row layout (for table-style comparison) */
.offer-row {
  display: grid;
  grid-template-columns: minmax(120px, 1.4fr) minmax(80px, 0.9fr) minmax(110px, 1.1fr) minmax(120px, 1.1fr);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.offer-row + .offer-row {
  margin-top: var(--space-2);
}

@media (max-width: 960px) {
  .offer-row {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
  }
}

@media (max-width: 640px) {
  .offer-row {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }
}

/* =========================================================
   Helper States
   ========================================================= */
.text-muted {
  color: var(--color-text-muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  background-color: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--color-border-subtle);
}

.chip-positive {
  color: var(--color-success);
  border-color: rgba(34, 197, 94, 0.5);
}

.chip-warning {
  color: var(--color-warning);
  border-color: rgba(251, 191, 36, 0.5);
}

.chip-danger {
  color: var(--color-danger);
  border-color: rgba(239, 68, 68, 0.5);
}

.badge-sticky {
  position: absolute;
  top: 0.85rem;
  right: 0.9rem;
}

/* End of base.css */