/* =========================================
   Variables
   ========================================== */
:root {
  /* Colors */
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-text: #192032;
  --color-text-muted: #5f6b85;
  --color-primary: #006ac3; /* Aussie-feel blue */
  --color-primary-soft: #e0f0ff;
  --color-success: #1b9e5a;
  --color-warning: #f4a41d;
  --color-danger: #d93a3a;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 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 */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 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-7: 1.75rem;  /* 28px */
  --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-sm: 0.25rem;  /* 4px */
  --radius-md: 0.5rem;   /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 10px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.16);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 250ms ease-out;
}

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

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

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

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

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

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

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

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

textarea {
  resize: vertical;
}

/* Remove default focus for custom handling */
:focus {
  outline: none;
}

/* =========================================
   Base Styles
   ========================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2.25rem, 2.5vw + 1.5rem, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.875rem, 2vw + 1rem, 2.25rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 1.5vw + 1rem, 1.875rem);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

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

strong {
  font-weight: 600;
}

a:hover {
  color: var(--color-primary);
}

/* For nav and legal links: subtle underline on hover */
.link,
nav a,
.footer a {
  position: relative;
  transition: color var(--transition-base);
}

.link::after,
nav a::after,
.footer a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width var(--transition-base);
}

.link:hover::after,
nav a:hover::after,
.footer a:hover::after {
  width: 100%;
}

/* =========================================
   Utilities
   ========================================== */

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

@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }
}

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

.section--light {
  background-color: #ffffff;
}

.section--muted {
  background-color: var(--gray-50);
}

.section__heading {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

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

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

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

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-4);
}

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

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

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

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

/* Text alignment */
.text-center {
  text-align: center;
}

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

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

/* Spacing helpers (common) */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.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-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);
  white-space: nowrap;
  border: 0;
}

/* =========================================
   Components
   ========================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-5);
  padding-block: 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #007ad6, #005aa3);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0085e5, #0062b2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-soft);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
}

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

.btn[disabled],
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Inputs / Form controls */
.input,
select,
textarea {
  width: 100%;
  padding-inline: var(--space-3);
  padding-block: 0.65rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 0 0 3px rgba(0, 122, 214, 0.12);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.form-label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-800);
}

.form-help {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card component: used for trust, FAQ, testimonials, winners */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.card--muted {
  background-color: #ffffff;
  border-style: dashed;
  border-color: var(--gray-200);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}

/* Hero layout helpers for homepage */
.hero {
  padding-block: var(--space-12);
  background: radial-gradient(circle at top left, #e5f2ff 0, #f5f7fb 40%, #f5f7fb 100%);
}

@media (min-width: 768px) {
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background-color: #ffffff;
  color: var(--gray-700);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-xs);
}

.hero-badge span {
  font-weight: 600;
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.hero-note {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* FAQ accordion basic shell (behavior is JS-driven) */
.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  padding: var(--space-3) var(--space-4);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  cursor: pointer;
}

.faq-question-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.faq-icon {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.faq-answer {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Trust / badge row */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background-color: #ffffff;
  border: 1px solid var(--gray-200);
}

.trust-badge--success {
  border-color: rgba(27, 158, 90, 0.25);
  color: var(--color-success);
}

/* 18+ / responsible gaming indicators */
.badge-age {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid var(--color-danger);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-danger);
  background-color: #fff5f5;
}

.badge-responsible {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}

/* Header & Nav shell */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(245, 247, 251, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: radial-gradient(circle at 30% 20%, #ffd76a, #f7a200 60%, #e98500 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1f2937;
  font-size: 0.9rem;
  font-weight: 800;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

/* Footer shell */
.site-footer {
  border-top: 1px solid var(--gray-200);
  background-color: #ffffff;
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  gap: var(--space-6);
}

@media (max-width: 767.98px) {
  .footer-top {
    grid-template-columns: minmax(0, 1fr);
  }
}

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.footer-disclaimer {
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Legal text blocks */
.legal-block {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  line-height: var(--line-height-relaxed);
}

.legal-block strong {
  color: var(--gray-800);
}

/* Testimonial / winners cards */
.testimonial {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.testimonial-quote {
  font-style: italic;
}

.testimonial-meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.winner-card {
  border-left: 3px solid var(--color-success);
  padding-left: var(--space-3);
}

/* Registration panel (inline or popup shell) */
.register-panel {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.register-panel-header {
  margin-bottom: var(--space-3);
}

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

.register-panel-subtitle {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* =========================================
   Accessibility
   ========================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible,
[role="button"]:focus-visible,
a:focus-visible {
  box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px rgba(0, 122, 214, 0.6);
}

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