/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Color palette - dark esports fantasy */
  --color-bg: #05060a;
  --color-bg-elevated: #0b0d14;
  --color-bg-soft: #101322;
  --color-surface: #151829;

  --color-text: #f5f7ff;
  --color-text-muted: #9aa0c2;
  --color-text-soft: #7c82a5;

  --color-primary: #ff2e63; /* clutch red */
  --color-primary-soft: rgba(255, 46, 99, 0.16);
  --color-primary-strong: #ff4b7d;

  --color-accent: #00f5ff; /* neon cyan */
  --color-accent-soft: rgba(0, 245, 255, 0.14);

  --color-success: #18e09b;
  --color-warning: #ffb648;
  --color-danger: #ff3366;

  --color-neutral-50: #f8fafc;
  --color-neutral-100: #e2e8f0;
  --color-neutral-200: #cbd5f5;
  --color-neutral-300: #94a3b8;
  --color-neutral-400: #64748b;
  --color-neutral-500: #475569;
  --color-neutral-600: #334155;
  --color-neutral-700: #1e293b;
  --color-neutral-800: #0f172a;
  --color-neutral-900: #020617;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  --font-heading: "Rajdhani", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --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: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem; /* 2px */
  --space-2: 0.25rem;  /* 4px */
  --space-3: 0.375rem; /* 6px */
  --space-4: 0.5rem;   /* 8px */
  --space-5: 0.625rem; /* 10px */
  --space-6: 0.75rem;  /* 12px */
  --space-8: 1rem;     /* 16px */
  --space-10: 1.25rem; /* 20px */
  --space-12: 1.5rem;  /* 24px */
  --space-16: 2rem;    /* 32px */
  --space-20: 2.5rem;  /* 40px */
  --space-24: 3rem;    /* 48px */
  --space-32: 4rem;    /* 64px */
  --space-40: 5rem;    /* 80px */
  --space-48: 6rem;    /* 96px */

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

  /* Shadows (neon esports style) */
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.56);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.8);
  --shadow-glow-primary: 0 0 24px rgba(255, 46, 99, 0.6);
  --shadow-glow-accent: 0 0 24px rgba(0, 245, 255, 0.6);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --content-max-width: 1200px;
  --content-max-width-wide: 1440px;
  --page-gutter: 1.25rem;

  /* Z-index */
  --z-header: 50;
  --z-overlay: 100;
  --z-modal: 200;
}

/* Reduced motion overrides */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
}

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

* {
  margin: 0;
}

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

body {
  min-height: 100vh;
}

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

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

button,
[role="button"] {
  cursor: pointer;
}

button:disabled,
[role="button"][aria-disabled="true"],
[disabled] {
  cursor: not-allowed;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding-left: 0;
}

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

a img {
  border: 0;
}

/* Improve text rendering */
body,
input,
textarea,
button,
select {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #131735 0, var(--color-bg) 55%) fixed;
  color: var(--color-text);
}

main {
  display: block;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-8);
}

h2 {
  font-size: clamp(1.75rem, 3.3vw, 2.25rem);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-6);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-4);
}

h4 {
  font-size: 1.25rem;
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

h5 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

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

p {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

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

small {
  font-size: 0.85em;
}

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

/* Links */
a {
  position: relative;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
  text-shadow: 0 0 14px rgba(0, 245, 255, 0.6);
}

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

/* Lists */
ul,
ol {
  padding-left: 1.5rem;
  margin-bottom: var(--space-6);
}

/* Horizontal rule */
hr {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.24);
  margin: var(--space-16) 0;
}

/* ========================================================================
   Accessibility & Motion
   ======================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

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

/* ========================================================================
   Utilities
   ======================================================================== */
/* Containers */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}

.container--wide {
  max-width: var(--content-max-width-wide);
}

.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section--tight {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section__header {
  margin-bottom: var(--space-12);
}

.section__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

/* Layout 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;
}

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

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

.gap-md {
  gap: var(--space-8);
}

.gap-lg {
  gap: var(--space-12);
}

.gap-xl {
  gap: var(--space-16);
}

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-10);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-10);
}

@media (max-width: 960px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

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

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

/* Width helpers */
.w-full {
  width: 100%;
}

/* Spacing helpers (subset) */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-4); }
.mt-sm { margin-top: var(--space-6); }
.mt-md { margin-top: var(--space-8); }
.mt-lg { margin-top: var(--space-12); }
.mt-xl { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-4); }
.mb-sm { margin-bottom: var(--space-6); }
.mb-md { margin-bottom: var(--space-8); }
.mb-lg { margin-bottom: var(--space-12); }
.mb-xl { margin-bottom: var(--space-16); }

.pt-section { padding-top: var(--space-24); }
.pb-section { padding-bottom: var(--space-24); }

/* Display helpers */
.hidden { display: none !important; }

@media (max-width: 768px) {
  .hidden-sm { display: none !important; }
}

@media (min-width: 769px) {
  .hidden-lg { display: none !important; }
}

/* Visual helpers */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: linear-gradient(90deg, var(--color-primary-soft), var(--color-accent-soft));
  color: var(--color-text);
  border: 1px solid rgba(148, 163, 184, 0.32);
}

/* ========================================================================
   Components
   ======================================================================== */
/* Buttons */
.btn {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-strong);
  --btn-color: #ffffff;
  --btn-border: transparent;
  --btn-shadow: var(--shadow-soft);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-border);
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.12) 0, transparent 50%), var(--btn-bg);
  color: var(--btn-color);
  box-shadow: var(--btn-shadow);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.24), transparent 40%, transparent 60%, rgba(255, 255, 255, 0.12));
  opacity: 0;
  transform: translateX(-40%);
  transition: opacity var(--transition-base), transform var(--transition-slow);
  pointer-events: none;
}

.btn:hover:not(:disabled) {
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.18) 0, transparent 55%), var(--btn-bg-hover);
  box-shadow: var(--shadow-glow-primary);
  transform: translateY(-1px);
}

.btn:hover::before {
  opacity: 1;
  transform: translateX(10%);
}

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  box-shadow: none;
}

.btn--outline {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(15, 23, 42, 0.9);
  --btn-color: var(--color-text);
  --btn-border: rgba(148, 163, 184, 0.7);
  --btn-shadow: none;
}

.btn--ghost {
  --btn-bg: rgba(15, 23, 42, 0.4);
  --btn-bg-hover: rgba(15, 23, 42, 0.8);
  --btn-color: var(--color-text);
  --btn-border: rgba(148, 163, 184, 0.24);
  --btn-shadow: none;
}

.btn--accent {
  --btn-bg: var(--color-accent);
  --btn-bg-hover: #5fffff;
}

.btn--sm {
  padding: 0.45rem 1.1rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 0.9rem 2.1rem;
  font-size: var(--font-size-md);
}

/* Inputs & form controls */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-6);
}

.field__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.field__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field__error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.38);
  background: radial-gradient(circle at top, rgba(148, 163, 184, 0.16) 0, transparent 55%), rgba(15, 23, 42, 0.92);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

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

.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(0, 245, 255, 0.4), 0 0 24px rgba(0, 245, 255, 0.4);
  transform: translateY(-1px);
}

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

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

.select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-text) 50%),
    linear-gradient(135deg, var(--color-text) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

/* Cards */
.card {
  position: relative;
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(255, 46, 99, 0.16) 0, transparent 55%),
    radial-gradient(circle at bottom right, rgba(0, 245, 255, 0.12) 0, transparent 60%),
    linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(2, 6, 23, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.06) 0, transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card--interactive {
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card--interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(0, 245, 255, 0.6);
}

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

.card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

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

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

.card__footer {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

/* Hero / page shell helpers (for immersive layout) */
.hero-shell {
  position: relative;
  padding-top: var(--space-32);
  padding-bottom: var(--space-24);
  overflow: hidden;
}

.hero-shell::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 20% 0, rgba(255, 46, 99, 0.32) 0, transparent 55%),
    radial-gradient(circle at 80% 0, rgba(0, 245, 255, 0.32) 0, transparent 55%);
  opacity: 0.8;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-shell__inner {
  position: relative;
  z-index: 1;
}

/* Focus visible for custom interactive elements */
[tabindex]:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Tables (for hero tier lists & builds) */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table thead {
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.4));
}

.table th,
.table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.table th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.table tbody tr:nth-child(even) {
  background-color: rgba(15, 23, 42, 0.7);
}

.table tbody tr:hover {
  background-color: rgba(15, 23, 42, 1);
}

/* Status pills (tier labels, hero roles) */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--color-text);
}

.pill--success {
  border-color: rgba(24, 224, 155, 0.7);
  background-color: rgba(24, 224, 155, 0.14);
}

.pill--warning {
  border-color: rgba(255, 182, 72, 0.7);
  background-color: rgba(255, 182, 72, 0.14);
}

.pill--danger {
  border-color: rgba(255, 51, 102, 0.7);
  background-color: rgba(255, 51, 102, 0.14);
}

.pill--accent {
  border-color: rgba(0, 245, 255, 0.7);
  background-color: rgba(0, 245, 255, 0.14);
}

/* Tag cloud (for strategy categories, hero roles) */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.45);
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
  background-color: rgba(15, 23, 42, 0.8);
}

/* Toast / inline notification (for patch notes or alerts) */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: rgba(15, 23, 42, 0.95);
  font-size: var(--font-size-sm);
}

.alert--success {
  border-color: rgba(24, 224, 155, 0.8);
  background-color: rgba(24, 224, 155, 0.12);
}

.alert--warning {
  border-color: rgba(255, 182, 72, 0.8);
  background-color: rgba(255, 182, 72, 0.12);
}

.alert--danger {
  border-color: rgba(255, 51, 102, 0.8);
  background-color: rgba(255, 51, 102, 0.12);
}

.alert__title {
  font-weight: 600;
  margin-bottom: 0.15rem;
}

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