/* ========================================================================== 
   Variables
   ========================================================================== */

:root {
  /* Color Palette - Dark, Premium, Cinematic */
  --color-background: #05060a;
  --color-background-elevated: #0b0d16;
  --color-surface: #111425;
  --color-surface-soft: #171a2c;

  --color-text: #f5f7ff;
  --color-text-muted: #a5aec7;
  --color-text-soft: #7c84a1;

  --color-primary: #f5b544; /* warm gold */
  --color-primary-soft: rgba(245, 181, 68, 0.12);
  --color-primary-highlight: #ffd878;

  --color-accent-emerald: #09c184;
  --color-accent-emerald-soft: rgba(9, 193, 132, 0.16);
  --color-accent-blue: #2b7cff;
  --color-accent-blue-soft: rgba(43, 124, 255, 0.18);

  --color-success: #26d98c;
  --color-warning: #ffb020;
  --color-danger: #ff4b5c;

  /* Neutral Grays / Depth */
  --color-border-subtle: #252a40;
  --color-border-strong: #353a50;
  --color-divider: rgba(255, 255, 255, 0.06);

  --color-overlay-soft: rgba(1, 4, 12, 0.72);
  --color-overlay-strong: rgba(0, 0, 0, 0.9);

  /* Gradients - Hero & CTAs */
  --gradient-hero: radial-gradient(circle at top left, #1b2655 0%, #05060a 55%, #020308 100%);
  --gradient-primary: linear-gradient(135deg, #ffd878 0%, #f5b544 40%, #f08c2d 100%);
  --gradient-cta: linear-gradient(135deg, #f5b544 0%, #ff7a3c 38%, #ff3f6a 100%);
  --gradient-chip: radial-gradient(circle at 30% 20%, #2b7cff 0%, #05060a 52%, #09c184 100%);

  /* Cinematic glow accents */
  --shadow-glow-gold: 0 0 18px rgba(245, 181, 68, 0.72);
  --shadow-glow-emerald: 0 0 18px rgba(9, 193, 132, 0.6);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Oswald", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains 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 */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* 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: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.72);
  --shadow-hard: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 18px 48px rgba(0, 0, 0, 0.9);

  /* Transitions & Motion */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 320ms ease-out;
  --transition-snap: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --layout-max-width: 1120px;
  --layout-max-width-wide: 1320px;
  --layout-gutter: var(--space-4);

  /* Z-index */
  --z-base: 0;
  --z-header: 20;
  --z-overlay: 40;
  --z-modal: 60;
  --z-toast: 80;
}

/* Motion preferences */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0.001ms linear;
    --transition-normal: 0.001ms linear;
    --transition-slow: 0.001ms linear;
    --transition-snap: 0.001ms linear;
  }
}

/* ========================================================================== 
   Reset / Normalize
   ========================================================================== */

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

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

* {
  margin: 0;
}

body {
  min-height: 100vh;
}

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

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

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

ul, ol {
  padding-left: 1.5rem;
}

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

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

/* ========================================================================== 
   Base Styles
   ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #101326 0, #05060a 42%, #01020a 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: var(--line-height-snug);
  color: #ffffff;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.25rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

h5 {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

h6 {
  font-size: 0.875rem;
  margin-bottom: var(--space-1);
}

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

strong {
  font-weight: 600;
  color: var(--color-text);
}

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

hr {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-6) 0;
}

/* Links */

a {
  position: relative;
  transition: color var(--transition-fast);
}

a[href]:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

a[href]:hover::after,
 a[href]:focus-visible::after {
  width: 100%;
}

a[href]:hover {
  color: var(--color-primary-highlight);
}

/* Lists */

/* ========================================================================== 
   Accessibility & Focus Styles
   ========================================================================== */

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary-highlight);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* 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;
}

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

/* Layout Containers */

.container {
  width: 100%;
  max-width: var(--layout-max-width);
  margin-inline: auto;
  padding-inline: var(--layout-gutter);
}

.container-wide {
  width: 100%;
  max-width: var(--layout-max-width-wide);
  margin-inline: auto;
  padding-inline: var(--layout-gutter);
}

.section {
  padding-block: clamp(3rem, 7vh, 5rem);
}

.section--dark {
  background: radial-gradient(circle at top center, #191e3b 0%, #05060a 45%, #010208 100%);
}

.section__header {
  margin-bottom: var(--space-6);
}

.section__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section__title {
  margin-bottom: var(--space-2);
}

.section__subtitle {
  max-width: 44rem;
}

/* Flex Helpers */

.flex {
  display: flex;
}

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

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

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

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

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

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

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

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

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

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

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

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

/* Grid Helpers */

.grid {
  display: grid;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

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

/* Spacing Utilities */

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.py-4 { padding-block: var(--space-4); }
.py-6 { padding-block: var(--space-6); }

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(circle at top left, rgba(245, 181, 68, 0.35), rgba(11, 13, 22, 0.9));
  color: var(--color-text);
}

.badge--success {
  border-color: rgba(9, 193, 132, 0.4);
  background: radial-gradient(circle at top left, rgba(9, 193, 132, 0.35), rgba(11, 13, 22, 0.9));
}

.badge--outline {
  background: transparent;
}

/* Cinematic card-grid hover utility */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.card-grid__item {
  position: relative;
}

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

/* Buttons */

.btn {
  --btn-bg: var(--gradient-cta);
  --btn-color: #05060a;
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--btn-border);
  background-image: var(--btn-bg);
  color: var(--btn-color);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow-gold);
  transition:
    transform var(--transition-snap),
    box-shadow var(--transition-normal),
    background-position var(--transition-slow),
    opacity var(--transition-fast);
  background-size: 160% 160%;
  background-position: 0% 50%;
}

.btn::after {
  content: "";
  position: absolute;
  inset: -30%;
  opacity: 0;
  background: radial-gradient(circle at 10% 0, rgba(255, 255, 255, 0.7), transparent 60%);
  transition: opacity var(--transition-normal), transform var(--transition-slow);
  mix-blend-mode: screen;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--shadow-elevated), 0 0 0 1px rgba(245, 181, 68, 0.4);
  background-position: 100% 50%;
}

.btn:hover:not(:disabled)::after {
  opacity: 1;
  transform: translate3d(12%, -10%, 0);
}

.btn:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
  box-shadow: var(--shadow-soft);
}

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

.btn--outline {
  --btn-bg: linear-gradient(135deg, rgba(245, 181, 68, 0.08), rgba(9, 193, 132, 0.06));
  --btn-color: var(--color-text);
  --btn-border: rgba(245, 181, 68, 0.6);
  box-shadow: 0 0 0 1px rgba(245, 181, 68, 0.25);
}

.btn--ghost {
  --btn-bg: rgba(10, 13, 30, 0.7);
  --btn-color: var(--color-text);
  --btn-border: rgba(255, 255, 255, 0.18);
  box-shadow: none;
  backdrop-filter: blur(12px);
}

.btn--sm {
  padding: 0.55rem 1rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 0.9rem 1.9rem;
  font-size: var(--font-size-md);
}

/* Inputs & Form Controls */

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-4);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background: radial-gradient(circle at 0 0, rgba(43, 124, 255, 0.14), rgba(11, 13, 22, 0.98));
  color: var(--color-text);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.7);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-slow);
}

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

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  border-color: var(--color-primary-highlight);
  box-shadow:
    0 0 0 1px rgba(245, 181, 68, 0.5),
    0 0 0 4px rgba(245, 181, 68, 0.2);
  outline: none;
}

.input--error,
textarea.input--error,
select.input--error {
  border-color: var(--color-danger);
}

.form-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

/* Cards & Surfaces */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background:
    linear-gradient(135deg, rgba(245, 181, 68, 0.03), rgba(9, 193, 132, 0.02)),
    radial-gradient(circle at top left, rgba(43, 124, 255, 0.08), transparent 60%),
    linear-gradient(145deg, #0b0d18, #05060a);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 10% 0, rgba(245, 181, 68, 0.12), transparent 55%);
  opacity: 0;
  transform: translate3d(-10%, -8%, 0);
  transition: opacity var(--transition-normal), transform var(--transition-slow);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.card--accent {
  border-image: linear-gradient(135deg, rgba(245, 181, 68, 0.6), rgba(9, 193, 132, 0.7)) 1;
}

.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);
}

.card__meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-soft);
}

.card__body {
  font-size: var(--font-size-sm);
}

/* Leaderboard-style table */

.table-leaderboard {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: radial-gradient(circle at top left, rgba(245, 181, 68, 0.12), #05060a);
}

.table-leaderboard thead {
  background: linear-gradient(135deg, rgba(245, 181, 68, 0.25), rgba(9, 193, 132, 0.18));
}

.table-leaderboard th,
.table-leaderboard td {
  padding: 0.7rem 0.9rem;
  font-size: var(--font-size-sm);
}

.table-leaderboard th {
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-size-xs);
}

.table-leaderboard tbody tr:nth-of-type(even) {
  background: rgba(255, 255, 255, 0.02);
}

.table-leaderboard tbody tr:hover {
  background: radial-gradient(circle at 0 0, rgba(245, 181, 68, 0.23), rgba(5, 6, 10, 1));
}

/* Hero / Cinematic overlays */

.hero {
  position: relative;
  padding-block: clamp(4rem, 15vh, 6.5rem);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(circle at 0 0, rgba(245, 181, 68, 0.35), transparent 55%),
    radial-gradient(circle at 100% 0, rgba(9, 193, 132, 0.35), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(9, 32, 82, 0.85), transparent 65%);
  opacity: 0.55;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-highlight);
  margin-bottom: var(--space-3);
}

.hero__title {
  max-width: 18ch;
}

.hero__subtitle {
  max-width: 40rem;
  font-size: var(--font-size-lg);
  color: var(--color-text-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* Image shells for generated visuals */

.image-shell {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 20% 0, rgba(245, 181, 68, 0.4), rgba(5, 6, 10, 1));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-elevated);
}

.image-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent 40%);
  mix-blend-mode: multiply;
}

.image-shell--rounded {
  border-radius: var(--radius-xl);
}

.image-shell--chip {
  background: var(--gradient-chip);
}

.image-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Tagline / meta text */

.meta-label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.meta-value {
  font-weight: 600;
  color: var(--color-primary-highlight);
}

/* Status pills for offline / social emphasis */

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: rgba(9, 193, 132, 0.09);
  color: var(--color-accent-emerald);
  border: 1px solid rgba(9, 193, 132, 0.45);
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--color-accent-emerald);
  box-shadow: 0 0 0 4px rgba(9, 193, 132, 0.4);
}

/* Toast / info banners */

.banner {
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-subtle);
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.12), rgba(5, 6, 10, 0.98));
  font-size: var(--font-size-sm);
}

.banner--important {
  border-color: rgba(245, 181, 68, 0.7);
  background: radial-gradient(circle at 0 0, rgba(245, 181, 68, 0.18), rgba(5, 6, 10, 0.98));
}

.banner__title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.banner__body {
  color: var(--color-text-soft);
}

/* FAQ accordion skeleton (unstyled JS-free base) */

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: #05060d;
  padding: var(--space-3) var(--space-4);
}

.faq-item + .faq-item {
  margin-top: var(--space-3);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  cursor: pointer;
}

.faq-item__question-text {
  font-weight: 500;
}

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

/* Footer base */

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-6);
  background: radial-gradient(circle at top, rgba(9, 193, 132, 0.12), #020308 55%, #000000 100%);
}

.footer__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
}

.footer__links a {
  color: var(--color-text-soft);
}

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

/* ========================================================================== 
   Responsive tweaks
   ========================================================================== */

@media (max-width: 600px) {
  .section {
    padding-block: var(--space-4);
  }

  .card {
    padding: var(--space-4);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
}