:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);
  --color-sponsor-background: #fdeceb;
  --color-sponsor-card: #ffffff;       


  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
    
    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);
    --color-sponsor-background: #1a0d0d;
    --color-sponsor-card: #111111;       

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
  
  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  
  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

a.btn.btn--primary:hover,
a.btn.btn--primary:focus {
  background-color: inherit !important; /* keep original background */
  color: inherit !important;            /* keep original text color */
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

/* Default Light Theme */
.logo-dark {
  display: none;
}

/* When dark mode is active */
[data-color-scheme="dark"] .logo-light {
  display: none;
}

[data-color-scheme="dark"] .logo-dark {
  display: block;
}

.rules {
  text-align: center; /* center titles and text */
}

.rules-grid {
  display: flex;
  flex-wrap: wrap;         /* allow wrapping on smaller screens */
  justify-content: center; /* center all the rule-card divs */
  gap: 2rem;               /* space between cards */
}

.rule-card {
  max-width: 280px;        /* optional: keep consistent card width */
  text-align: center;      /* center content inside each card */
}
a:hover {
  color: var(--color-primary-hover);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.facility-details li {
    margin: 5px 0;      /* keeps spacing between items */
}


code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

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

.btn--primary:active {
  background: var(--color-primary-active);
}

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

.btn--secondary:hover {
  background: var(--color-secondary-hover);
}

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

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

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

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
/* HackFusion 1.0 - Fixed Theme-Aware Styles */

/* Additional variables for theme support */
:root {
  /* Gradient definitions */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-teal-300));
  --gradient-secondary: linear-gradient(135deg, var(--color-orange-400), var(--color-red-400));
  --gradient-accent: linear-gradient(135deg, var(--color-teal-400), var(--color-primary));
  --gradient-warm: linear-gradient(135deg, var(--color-orange-500), var(--color-red-500));
  
  /* Hero background gradients */
  --hero-bg-light: linear-gradient(135deg, var(--color-cream-50) 0%, var(--color-cream-100) 50%, #e0f2fe 100%);
  --hero-bg-dark: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-charcoal-800) 50%, #1e1b4b 100%);
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  transition: all var(--duration-normal) var(--ease-standard);
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-16) 0;
  background: rgba(var(--color-slate-900-rgb, 19, 52, 59), 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration-normal) var(--ease-standard);
}

[data-color-scheme="light"] .header {
  background: rgba(255, 255, 255, 0.9);
}

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

.nav-logo h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-32);
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-standard);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background-color: var(--color-secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

/* Theme Toggle Button - Fixed visibility */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover {
  transform: scale(1.1);
  background: var(--color-primary);
}

.theme-toggle:hover .theme-icon {
  color: var(--color-white);
}

.theme-icon {
  font-size: 1.2rem;
  transition: transform var(--duration-normal) var(--ease-standard);
  display: block;
}

.theme-toggle:hover .theme-icon {
  transform: rotate(360deg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: var(--space-4);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-standard);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--hero-bg-dark);
  padding-top: 120px;
}

[data-color-scheme="light"] .hero {
  background: var(--hero-bg-light);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  background-image: 
    radial-gradient(circle at 20% 50%, var(--color-primary) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--color-teal-300) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, var(--color-orange-400) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-logo {
  margin-bottom: var(--space-32);
}

.logo-container {
  display: inline-block;
}

.hackfusion-logo {
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
  animation: pulse 2s ease-in-out infinite;
  overflow: hidden;   /* ensures image stays inside circle */
}

.hackfusion-logo .logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;  /* keeps proportions while filling circle */
}


@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.logo-text {
  color: var(--color-white);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-20);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
  font-weight: var(--font-weight-medium);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-32);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-20);
  margin-bottom: var(--space-32);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.info-card {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-20);
  text-align: left;
}

.card-icon {
  font-size: 2rem;
  opacity: 0.8;
}

.card-content h3 {
  color: var(--color-text);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  font-weight: var(--font-weight-semibold);
}

.card-content p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Countdown Timer */
.countdown-container {
  margin-bottom: var(--space-32);
}

.countdown-card {
  padding: var(--space-24);
  max-width: 600px;
  margin: 0 auto;
}

.countdown-title {
  color: var(--color-text);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-20);
  text-align: center;
}

.countdown-timer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-16);
}

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

.time-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  transition: all var(--duration-fast) var(--ease-standard);
}

.time-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-actions {
  display: flex;
  gap: var(--space-20);
  justify-content: center;
  flex-wrap: wrap;
}

/* Section Styles */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-32);
}

.section-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-16);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  background-color: var(--color-bg-1);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-32);
  align-items: start;
}

.about-text {
  display: grid;
  gap: var(--space-24);
}

.department-info {
  display: flex;
  align-items: center;
  gap: var(--space-20);
  padding: var(--space-24);
}

.department-logo {
  flex-shrink: 0;
}

.logo-circle {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  overflow: hidden;   /* keeps image inside circle */
}

.logo-circle .circle-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;  /* makes image fill circle neatly */
}


.dept-text {
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  text-align: center;
}

.department-details h3 {
  color: var(--color-text);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-semibold);
}

.college-name {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
  font-weight: var(--font-weight-medium);
}

.motto {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-style: italic;
  margin: 0;
}

.about-description {
  padding: var(--space-24);
}

.about-description p {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
}

.about-description p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-16);
}

.stat-card {
  padding: var(--space-24);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.stat-card:hover {
  transform: translateY(-5px);
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-12);
  opacity: 0.8;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
  display: block;
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Domains Section */
.domains {
  background-color: var(--color-bg-2);
}

.domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-24);
}

.domain-card {
  padding: var(--space-32);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.domain-card:hover {
  transform: translateY(-8px);
}

.domain-header {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  margin-bottom: var(--space-20);
}

.domain-icon {
  font-size: 3rem;
  opacity: 0.9;
  transition: all var(--duration-normal) var(--ease-standard);
}

.domain-card:hover .domain-icon {
  transform: scale(1.1);
}

.domain-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  font-weight: var(--font-weight-bold);
}

.domain-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-20);
  font-size: var(--font-size-base);
}

.domain-examples {
  margin-bottom: var(--space-20);
}

.domain-examples h4 {
  color: var(--color-text);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-semibold);
}

.domain-examples ul {
  margin: 0;
  padding-left: var(--space-20);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.domain-examples li {
  margin-bottom: var(--space-4);
}

.domain-tags {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.tag {
  background-color: var(--color-secondary);
  color: var(--color-text);
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-border);
}

/* Domain-specific styling */
.ai-domain {
  background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-5));
}

.health-domain {
  background: linear-gradient(135deg, var(--color-bg-3), var(--color-bg-4));
}

.fintech-domain {
  background: linear-gradient(135deg, var(--color-bg-2), var(--color-bg-6));
}

.ecommerce-domain {
  background: linear-gradient(135deg, var(--color-bg-7), var(--color-bg-8));
}

/* Timeline Section */
.timeline-section {
  background-color: var(--color-bg-3);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-32) 0;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-32);
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: calc(50% + var(--space-32));
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: calc(50% + var(--space-32));
  text-align: left;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--color-background);
  z-index: 2;
  box-shadow: var(--shadow-md);
}

.timeline-marker.completed {
  background: var(--color-success);
}

.timeline-marker.main-event {
  background: var(--gradient-warm);
  animation: pulse 2s ease-in-out infinite;
}

.timeline-content {
  padding: var(--space-24);
  transition: all var(--duration-normal) var(--ease-standard);
}

.timeline-content.main-event {
  border: 2px solid var(--color-primary);
}

.timeline-date {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  display: inline-block;
  margin-bottom: var(--space-12);
}

.timeline-title {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-semibold);
}

.timeline-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Prizes Section */
.prizes {
  background-color: var(--color-bg-4);
}

.prizes-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-32);
  align-items: start;
}

.prize-showcase {
  display: flex;
  justify-content: center;
}

.prize-card {
  padding: var(--space-32);
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 400px;
}

.prize-icon {
  font-size: 4rem;
  margin-bottom: var(--space-20);
  opacity: 0.9;
}

.prize-amount {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-12);
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.prize-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-20);
  font-weight: var(--font-weight-semibold);
}

.prize-breakdown {
  margin: var(--space-20) 0;
}

.prize-item {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
}
.prize-additional {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 20px;
    width: 100%;
}

.plus-separator {
    font-size: 2.5em;
    color: #999;
    margin-bottom: 15px;
    line-height: 1;
}

.prize-additional h4 {
    margin: 0;
    color: #555;
    font-size: 1.1em;
    font-weight: 500;
}
.special-awards {
  margin: var(--space-20) 0;
}

.special-awards h4 {
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.award-item {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
}

.prize-additional {
  color: var(--color-text-secondary);
  font-style: italic;
  margin: var(--space-16) 0 0 0;
}

.facilities-grid {
  display: grid;
  gap: var(--space-20);
}

.facility-card {
  padding: var(--space-24);
  transition: all var(--duration-normal) var(--ease-standard);
}

.facility-card:hover {
  transform: translateX(8px);
}

.facility-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-16);
  opacity: 0.8;
}

.facility-title {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-semibold);
}

.facility-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-12);
}

.facility-details {
  list-style: none;
  padding: 0;
}

.facility-details li {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
  position: relative;
  padding-left: var(--space-16);
}

.facility-details li::before {
  content: '•';
  color: var(--color-primary);
  position: absolute;
  left: 0;
}

/* FAQ Section - Fixed for proper functionality */
.faq {
  background-color: var(--color-bg-7);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--space-16);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  border-radius: var(--radius-lg);
}

.faq-question {
  width: 100%;
  padding: var(--space-20);
  background: none;
  border: none;
  text-align: left;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--duration-fast) var(--ease-standard);
  font-family: inherit;
}

.faq-question:hover {
  color: var(--color-primary);
}

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

.faq-toggle {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  transition: transform var(--duration-normal) var(--ease-standard);
  margin-left: var(--space-16);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-standard), padding var(--duration-normal) var(--ease-standard);
  padding: 0 var(--space-20);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 var(--space-20) var(--space-20);
}

.faq-answer p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  padding-top: var(--space-8);
}

/* Rules Section */
.rules {
  background-color: var(--color-bg-8);
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-24);
}

.rule-card {
  padding: var(--space-24);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.rule-card:hover {
  transform: translateY(-5px);
}

.rule-icon {
  font-size: 3rem;
  margin-bottom: var(--space-16);
  opacity: 0.8;
}

.rule-title {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--space-16);
  font-weight: var(--font-weight-semibold);
}

.rule-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Contact Section */
.contact {
  background-color: var(--color-bg-5);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}


.contact-category {
  padding: var(--space-24);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.contact-category:hover {
  transform: translateY(-5px);
}

.contact-header {
  margin-bottom: var(--space-20);
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: var(--space-12);
  opacity: 0.8;
}

.contact-category h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}
.contact-persons {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.contact-person h4 {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-weight: var(--font-weight-semibold);
}

.contact-person p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-12);
}

.contact-person .btn {
  margin: var(--space-4) var(--space-4) 0 0;
  display: inline-flex;
}

.venue-info {
  padding: var(--space-32);
  text-align: left;
  max-width: 800px;
  margin: 0 auto;
}

.venue-info h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-20);
  font-weight: var(--font-weight-semibold);
}

.venue-details p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-16);
}

.venue-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
}

.feature {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Footer */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-32) 0 var(--space-20);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-32);
  align-items: start;
  margin-bottom: var(--space-24);
}

.footer-info h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.footer-department {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-lg);
}

.footer-address {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-16);
}

.social-links {
  display: flex;
  gap: var(--space-16);
}

.social-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
  transition: all var(--duration-fast) var(--ease-standard);
}

.social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.powered-by {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-12);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.unstop-brand {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.unstop-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;   /* keeps image clipped inside circle */
}

.unstop-logo .unstop-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.unstop-text {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  text-decoration: none;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-20);
  border-top: 1px solid var(--color-border);
}

.footer-line {
  height: 2px;
  background: var(--gradient-primary);
  margin-bottom: var(--space-16);
  border-radius: 1px;
}

.footer-tagline {
  font-size: var(--font-size-lg);
  font-style: italic;
  margin: 0;
  font-weight: var(--font-weight-medium);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Sponsors Page */
.sponsors-content {
  display: none;
}

.sponsors-content:not(.hidden) {
  display: block;
}

.main-content.hidden {
  display: none;
}

.sponsors-hero {
  padding: 120px 0 80px;
  text-align: center;
  background: var(--color-bg-1);
}

.sponsors-hero-content {
  position: relative;
}

.back-button {
  margin-bottom: var(--space-20);
}

.sponsors-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-16);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sponsors-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.sponsorship-tiers {
  padding: 80px 0;
  background-color: var(--color-bg-2);
}


.sponsor-container {
  display: flex;
  gap: 30px;
  flex-wrap: wrap; /* ensures stacking on smaller screens */
  justify-content: center;
}
/* Sponsor Section (background same as page background) */
.sponsor-section {
  padding: 80px 0;
  background-color: var(--color-bg-3); /* matches Why Sponsor section */
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* side by side on big screens */
  gap: var(--space-24);
}

.sponsor-card {
  padding: var(--space-24);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.sponsor-card:hover {
  transform: translateY(-5px); /* same hover as Why Sponsor */
}



.sponsor-logo {
  width: 120px;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  background: #fff; /* clean white bg for logos */
  padding: 10px;
}

.sponsor-text h3 {
  color: #00c9d2; /* same teal as before */
  margin-bottom: 10px;
}

.sponsor-text p {
  color: #ccc;
  font-size: 14px;
  line-height: 1.6;
}

.sponsor-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 16px;
  background: #00bfff; /* button color consistent */
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.sponsor-btn:hover {
  background: #0099cc;
}



.tiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-24);
}

.tier-card {
  padding: var(--space-24);
  text-align: center;
  position: relative;
  transition: all var(--duration-normal) var(--ease-standard);
}

.tier-card:hover {
  transform: translateY(-8px);
}

.tier-card.premium {
  border: 2px solid var(--color-orange-400);
}

.tier-badge {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-16);
  display: inline-block;
}

.tier-badge.title-sponsor {
  background: var(--gradient-warm);
}

.tier-badge.platinum {
  background: linear-gradient(135deg, #C0C0C0, #E5E5E5);
  color: var(--color-slate-900);
}

.tier-badge.gold {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: var(--color-slate-900);
}

.tier-badge.silver {
  background: linear-gradient(135deg, #C0C0C0, #DCDCDC);
  color: var(--color-slate-900);
}

.tier-amount {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-16);
}

.tier-benefits h4 {
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-semibold);
}

.tier-benefits ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.tier-benefits li {
  color: var(--color-text-secondary);
  padding: var(--space-6) 0;
  position: relative;
  padding-left: var(--space-20);
}

.tier-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.why-sponsor {
  padding: 80px 0;
  background-color: var(--color-bg-3);
}

.why-sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
}

.why-card {
  padding: var(--space-24);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.why-card:hover {
  transform: translateY(-5px);
}

.why-icon {
  font-size: 3rem;
  margin-bottom: var(--space-16);
  opacity: 0.8;
}

.why-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-semibold);
}

.why-card p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.looking-for-sponsors {
  padding: 80px 0;
  background-color: var(--color-bg-4);
}

.sponsor-cta {
  padding: var(--space-32);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.sponsor-cta-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-20);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sponsor-cta-content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-32);
}

.sponsor-contact h3 {
  color: var(--color-text);
  margin-bottom: var(--space-20);
  font-weight: var(--font-weight-semibold);
}

.sponsor-contacts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-20);
  margin-bottom: var(--space-16);
}

.sponsor-contact-item {
  text-align: center;
}

.sponsor-contact-item strong {
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-semibold);
}

.sponsor-contact-item .btn {
  margin: var(--space-4);
  display: inline-flex;
}

.powered-section {
  padding: 80px 0;
  background-color: var(--color-bg-5);
}

.powered-card {
  padding: var(--space-32);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.powered-card h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-24);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.unstop-info {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  text-align: left;
}

.unstop-logo-large {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;   /* keeps image clipped inside circle */
}
.unstop-logo-large .unstop-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.unstop-description p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-20);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .prizes-content {
    grid-template-columns: 1fr;
  }
  
  .domains-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .unstop-info {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .powered-by {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    flex-direction: column;
    padding: var(--space-32);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
    border-top: 1px solid var(--color-border);
    backdrop-filter: blur(20px);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-16);
    margin-bottom: var(--space-24);
    width: 100%;
  }

  .nav-link {
    display: block;
    text-align: center;
    padding: var(--space-12) var(--space-20);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero-info-cards {
    grid-template-columns: 1fr;
  }
  
  .countdown-timer {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-line {
    left: 30px;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    flex-direction: row;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 60px;
    margin-right: 0;
    text-align: left;
  }

  .timeline-marker {
    left: 30px;
  }

  .department-info {
    flex-direction: column;
    text-align: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .countdown-timer {
    grid-template-columns: repeat(2, 1fr);
  }

  .time-number {
    font-size: var(--font-size-2xl);
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .tiers-grid {
    grid-template-columns: 1fr;
  }
  
  .why-sponsor-grid {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

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

/* Scroll animations */
@media (prefers-reduced-motion: no-preference) {
  .card {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
  }

  .card.animate {
    opacity: 1;
    transform: translateY(0);
  }
}
.footer-credit {
    font-size: 1rem; /* Smaller text */
    color: #000000; /* Subtle color, adjust as needed */
    text-align: center;
    margin-top: 1rem;
}