/* =============================================
   Variables
   ============================================= */
:root {
  /* Color palette */
  --color-background: #ffffff;
  --color-surface: #f7f8fc;
  --color-text: #111827;
  --color-text-muted: #6b7280;

  --color-primary: #2563ff; /* electric blue */
  --color-primary-soft: rgba(37, 99, 255, 0.08);
  --color-primary-strong: #1d4ed8;

  --color-accent: #ff7a1a; /* fresh orange */
  --color-accent-soft: rgba(255, 122, 26, 0.1);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  --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;

  /* Neon-esque detail (for subtle glows/borders) */
  --color-neon-blue: rgba(56, 189, 248, 0.9);
  --color-neon-orange: rgba(251, 146, 60, 0.9);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  --font-heading: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;

  --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 (px) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows (energetic but not heavy) */
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-medium: 0 18px 45px rgba(15, 23, 42, 0.12);
  --shadow-strong: 0 24px 70px rgba(15, 23, 42, 0.18);
  --shadow-neon-blue: 0 0 30px rgba(59, 130, 246, 0.5);
  --shadow-neon-mixed: 0 0 24px rgba(59, 130, 246, 0.4), 0 0 32px rgba(251, 146, 60, 0.35);

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

  /* Layout */
  --container-max-width: 1200px;
  --container-gutter: 16px;

  /* Z-index */
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
}

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

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

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

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

body {
  min-height: 100vh;
}

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

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

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

textarea {
  resize: vertical;
}

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

/* Remove default focus outline, we re-add with :focus-visible */
:focus {
  outline: none;
}

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

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4xl);
  line-height: var(--line-height-tight);
}

h2 {
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-snug);
}

h3 {
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-snug);
}

h4 {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-normal);
}

h5 {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
}

h6 {
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

p {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

a {
  color: var(--color-primary);
  transition: color var(--transition-base), opacity var(--transition-base), transform var(--transition-fast);
}

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

a:active {
  transform: translateY(1px);
}

/* Helper class for muted text */
.text-muted {
  color: var(--color-text-muted);
}

/* =============================================
   Accessibility & Motion
   ============================================= */
:focus-visible {
  outline: 2px solid var(--color-neon-blue);
  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 {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

.flex {
  display: flex;
}

.inline-flex {
  display: inline-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;
}

.grid {
  display: grid;
}

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

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

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

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 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-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-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

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

.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* =============================================
   Components - Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #38bdf8);
  color: #ffffff;
  box-shadow: var(--shadow-neon-mixed);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-strong), #0ea5e9);
  box-shadow: var(--shadow-strong);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-soft);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(37, 99, 255, 0.4);
  color: var(--color-primary-strong);
  backdrop-filter: blur(10px);
}

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

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

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.08);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-icon {
  padding-left: 0.9rem;
  padding-right: 0.9rem;
}

/* =============================================
   Components - Form Elements
   ============================================= */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-neutral-200);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-fast);
}

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

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 255, 0.4), 0 12px 30px rgba(15, 23, 42, 0.12);
}

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

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

.field-helper {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
  margin-top: 4px;
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: 4px;
}

/* =============================================
   Components - Card
   ============================================= */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.18);
  position: relative;
  overflow: hidden;
}

.card--interactive {
  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-medium);
  border-color: rgba(59, 130, 246, 0.35);
}

.card-header {
  margin-bottom: var(--space-4);
}

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

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

/* Subtle neon border accent for entertainment theme */
.card--neon::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-orange));
  opacity: 0.55;
  pointer-events: none;
  mix-blend-mode: screen;
}

.card--neon > * {
  position: relative;
  z-index: 1;
}

/* =============================================
   Header Layout Helper (for centered logo nav)
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.24);
}

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

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max-width);
}

.site-nav-left,
.site-nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.site-nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  padding: 0.4rem 0.1rem;
  position: relative;
}

.site-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.site-nav-link:hover::after,
.site-nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav-link[aria-current="page"] {
  color: var(--color-primary-strong);
}

/* Mobile nav helpers */
.site-nav-toggle {
  display: none;
}

@media (max-width: 767px) {
  .site-nav-left,
  .site-nav-right {
    display: none;
  }

  .site-nav-toggle {
    display: inline-flex;
  }
}

/* =============================================
   Hero / Slider Helpers
   ============================================= */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  color: #ffffff;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  opacity: 0;
  transition: opacity 900ms ease-out;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.45), transparent 55%),
              radial-gradient(circle at bottom, rgba(251, 146, 60, 0.45), transparent 55%),
              linear-gradient(120deg, rgba(15, 23, 42, 0.86), rgba(15, 23, 42, 0.6));
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.55);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1.05;
  margin-top: var(--space-4);
  margin-bottom: var(--space-3);
  color: #ffffff;
}

.hero-subtitle {
  max-width: 38rem;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: rgba(226, 232, 240, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* =============================================
   Misc Utilities
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.badge--accent {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background-color: rgba(15, 23, 42, 0.04);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.tagline {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-neutral-500);
}

/* Subtle divider */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.7), transparent);
  margin: var(--space-6) 0;
}

/* =============================================
   End base.css
   ============================================= */