/* ==========================================================================
   CSS VARIABLES & BASE STYLES
   ========================================================================== */

:root {
    /* Primary Colors */
    --color-primary: #FFD700;
    --color-primary-dark: #E6C200;
    --color-primary-light: #FFF8DC;
    --color-secondary: #000000;
    --color-tertiary: #FFFFFF;
    
    /* Semantic Colors */
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-danger: #DC3545;
    --color-info: #17A2B8;
    
    /* Gray Scale */
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F5;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #868E96;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #FFED4E 100%);
    --gradient-primary-hover: linear-gradient(135deg, #E6C200 0%, #FFE033 100%);
    --gradient-dark: linear-gradient(135deg, #000000 0%, #333333 100%);
    --gradient-light: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0,0,0,0.9) 0%, rgba(26,26,26,0.95) 100%);
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-primary: 0 0 0 3px rgba(255, 215, 0, 0.3);
    --shadow-primary-lg: 0 0 20px rgba(255, 215, 0, 0.4);
    
    /* Typography */
    --font-family-base: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.1;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    
    /* Spacing Scale */
    --space-0: 0;
    --space-px: 1px;
    --space-0_5: 0.125rem;  /* 2px */
    --space-1: 0.25rem;     /* 4px */
    --space-1_5: 0.375rem;  /* 6px */
    --space-2: 0.5rem;      /* 8px */
    --space-2_5: 0.625rem;  /* 10px */
    --space-3: 0.75rem;     /* 12px */
    --space-3_5: 0.875rem;  /* 14px */
    --space-4: 1rem;        /* 16px */
    --space-5: 1.25rem;     /* 20px */
    --space-6: 1.5rem;      /* 24px */
    --space-7: 1.75rem;     /* 28px */
    --space-8: 2rem;        /* 32px */
    --space-9: 2.25rem;     /* 36px */
    --space-10: 2.5rem;     /* 40px */
    --space-12: 3rem;       /* 48px */
    --space-14: 3.5rem;     /* 56px */
    --space-16: 4rem;       /* 64px */
    --space-20: 5rem;       /* 80px */
    --space-24: 6rem;       /* 96px */
    --space-28: 7rem;       /* 112px */
    --space-32: 8rem;       /* 128px */
    
    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.125rem;  /* 2px */
    --radius-md: 0.25rem;   /* 4px */
    --radius-lg: 0.5rem;    /* 8px */
    --radius-xl: 0.75rem;   /* 12px */
    --radius-2xl: 1rem;     /* 16px */
    --radius-3xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 400ms cubic-bezier(0.68, -0.6, 0.32, 1.6);
    
    /* Z-index Layers */
    --z-negative: -1;
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
    
    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-gray-800);
    background-color: var(--color-tertiary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

/* Images */
img,
picture,
video,
canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: var(--letter-spacing-tight);
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    letter-spacing: var(--letter-spacing-tight);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Lists */
ul, ol {
    list-style: none;
}

/* Buttons */
button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
}

/* Forms */
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* ==========================================================================
   LAYOUT & CONTAINERS
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-6);
}

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

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md-grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md-grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .md-grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg-grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .lg-grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg-grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .lg-grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

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

.flex-col {
    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;
}

.justify-around {
    justify-content: space-around;
}

.justify-evenly {
    justify-content: space-evenly;
}

/* Spacing Utilities */
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }
.m-10 { margin: var(--space-10); }

.mt-0 { margin-top: var(--space-0); }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.ml-0 { margin-left: var(--space-0); }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-5 { margin-left: var(--space-5); }
.ml-6 { margin-left: var(--space-6); }

.mr-0 { margin-right: var(--space-0); }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-5 { margin-right: var(--space-5); }
.mr-6 { margin-right: var(--space-6); }

.p-0 { padding: var(--space-0); }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }

.pt-0 { padding-top: var(--space-0); }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }
.pt-10 { padding-top: var(--space-10); }

.pb-0 { padding-bottom: var(--space-0); }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }
.pb-10 { padding-bottom: var(--space-10); }

/* Gap Utilities */
.gap-0 { gap: var(--space-0); }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }
.text-6xl { font-size: 3.75rem; }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-tertiary { color: var(--color-tertiary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }

.leading-tight { line-height: var(--line-height-tight); }
.leading-snug { line-height: var(--line-height-snug); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

.tracking-tight { letter-spacing: var(--letter-spacing-tight); }
.tracking-normal { letter-spacing: var(--letter-spacing-normal); }
.tracking-wide { letter-spacing: var(--letter-spacing-wide); }
.tracking-wider { letter-spacing: var(--letter-spacing-wider); }

/* Display Utilities */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.inline-grid { display: inline-grid; }
.hidden { display: none; }

/* Width & Height */
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.w-min { width: min-content; }
.w-max { width: max-content; }

.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-min { height: min-content; }
.h-max { height: max-content; }

.min-h-screen { min-height: 100vh; }
.min-h-full { min-height: 100%; }

.max-w-full { max-width: 100%; }
.max-w-screen-sm { max-width: 640px; }
.max-w-screen-md { max-width: 768px; }
.max-w-screen-lg { max-width: 1024px; }
.max-w-screen-xl { max-width: 1280px; }
.max-w-screen-2xl { max-width: 1536px; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* Position */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

.z-0 { z-index: var(--z-0); }
.z-10 { z-index: var(--z-10); }
.z-20 { z-index: var(--z-20); }
.z-30 { z-index: var(--z-30); }
.z-40 { z-index: var(--z-40); }
.z-50 { z-index: var(--z-50); }

/* Borders */
.border-0 { border-width: 0; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }

.border-solid { border-style: solid; }
.border-dashed { border-style: dashed; }
.border-dotted { border-style: dotted; }

.border-primary { border-color: var(--color-primary); }
.border-secondary { border-color: var(--color-secondary); }
.border-tertiary { border-color: var(--color-tertiary); }

.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Backgrounds */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-tertiary { background-color: var(--color-tertiary); }
.bg-success { background-color: var(--color-success); }
.bg-warning { background-color: var(--color-warning); }
.bg-danger { background-color: var(--color-danger); }
.bg-info { background-color: var(--color-info); }

.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-dark { background: var(--gradient-dark); }
.bg-gradient-light { background: var(--gradient-light); }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Shadows */
.shadow-none { box-shadow: none; }
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-inner { box-shadow: var(--shadow-inner); }
.shadow-primary { box-shadow: var(--shadow-primary); }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-wait { cursor: wait; }

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-50);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    color: var(--color-tertiary);
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid transparent;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-6);
}

.preloader-content h3 {
    font-size: var(--space-6);
    margin-bottom: var(--space-3);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preloader-content p {
    color: var(--color-gray-400);
    animation: pulse 2s infinite;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-semibold);
    font-size: var(--space-4);
    line-height: var(--line-height-snug);
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    transition: all var(--transition-bounce);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    user-select: none;
    outline: none;
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:focus-visible {
    box-shadow: var(--shadow-primary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--color-secondary);
    color: var(--color-tertiary);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--color-tertiary);
    color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--space-5);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--space-3);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
}

/* Cards */
.card {
    background: var(--color-tertiary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 1px solid var(--color-gray-200);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.card-icon {
    font-size: var(--space-8);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-4);
    position: relative;
}

.form-label {
    display: block;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-family: var(--font-family-base);
    font-size: var(--space-4);
    transition: all var(--transition-base);
    background: var(--color-tertiary);
    color: var(--color-gray-800);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-500);
}

.form-input-error {
    border-color: var(--color-danger);
}

.form-input-error:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-error {
    color: var(--color-danger);
    font-size: var(--space-3);
    margin-top: var(--space-1);
}

.form-help {
    color: var(--color-gray-600);
    font-size: var(--space-3);
    margin-top: var(--space-1);
}

/* Floating Label Form */
.floating-label {
    position: relative;
}

.floating-label .form-input,
.floating-label .form-select {
    padding-top: var(--space-5);
    padding-bottom: var(--space-3);
}

.floating-label label {
    position: absolute;
    top: var(--space-3);
    left: var(--space-4);
    color: var(--color-gray-500);
    transition: all var(--transition-base);
    pointer-events: none;
    background: var(--color-tertiary);
    padding: 0 var(--space-1);
}

.floating-label .form-input:focus + label,
.floating-label .form-input:not(:placeholder-shown) + label,
.floating-label .form-select:focus + label,
.floating-label .form-select:not(:placeholder-shown) + label {
    top: -8px;
    left: var(--space-3);
    font-size: var(--space-3);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   SECTIONS
   ========================================================================== */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: var(--z-40);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: var(--space-2) 0;
    background: rgba(0, 0, 0, 0.98);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo {
    height: 48px;
    width: auto;
    transition: var(--transition-base);
}

.institute-name {
    font-family: var(--font-family-heading);
    font-size: var(--space-5);
    font-weight: var(--font-weight-bold);
    color: var(--color-tertiary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    gap: var(--space-4);
}

.nav-link {
    color: var(--color-tertiary);
    font-weight: var(--font-weight-medium);
    font-size: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: rgba(255, 215, 0, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link i {
    font-size: var(--space-3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.menu-toggle {
    display: none;
    background: none;
    color: var(--color-tertiary);
    font-size: var(--space-5);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.menu-toggle:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: var(--gradient-hero);
    color: var(--color-tertiary);
    position: relative;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-10);
}

.hero .container {
    position: relative;
    z-index: var(--z-20);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    max-width: 640px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.hero-badge i {
    color: var(--color-primary);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-tertiary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--color-gray-300);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
    .hero-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: var(--transition-base);
}

.feature:hover {
    background: rgba(255, 215, 0, 0.1);
    transform: translateY(-2px);
}

.feature i {
    font-size: var(--space-6);
    color: var(--color-primary);
}

.feature span {
    font-size: var(--space-3);
    font-weight: var(--font-weight-medium);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-image {
    position: relative;
    order: -1;
}

@media (min-width: 1024px) {
    .hero-image {
        order: 1;
    }
}

.floating-students {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.floating-students img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.floating-students:hover img {
    transform: scale(1.02);
}

.floating-element {
    position: absolute;
    background: rgba(255, 215, 0, 0.95);
    color: var(--color-secondary);
    padding: var(--space-3);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    z-index: var(--z-20);
    width: 80px;
    height: 80px;
}

.floating-element i {
    font-size: var(--space-5);
    margin-bottom: var(--space-1);
}

.floating-element span {
    font-size: var(--space-2);
}

.floating-1 {
    top: 10%;
    left: -20px;
    animation-delay: 0s;
}

.floating-2 {
    top: 50%;
    right: -20px;
    animation-delay: 2s;
}

.floating-3 {
    bottom: 20%;
    left: -20px;
    animation-delay: 4s;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-tertiary);
    opacity: 0.8;
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-tertiary);
    border-radius: 20px;
    margin: 0 auto var(--space-2);
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* Section Common */
.section {
    padding: var(--space-20) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-12);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

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

.section-bg-dark {
    background: var(--gradient-dark);
    color: var(--color-tertiary);
}

.section-bg-dark .section-title {
    color: var(--color-tertiary);
}

.section-bg-dark .section-subtitle {
    color: var(--color-gray-300);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: start;
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
    }
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

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

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

.stat {
    text-align: center;
    padding: var(--space-6);
    background: var(--color-tertiary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 1px solid var(--color-gray-200);
}

.stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.stat-icon {
    font-size: var(--space-8);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.stat h3 {
    font-size: var(--space-10);
    color: var(--color-secondary);
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-extrabold);
}

.stat p {
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
    margin-bottom: 0;
}

/* Centers Section */
.centers-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

@media (min-width: 1024px) {
    .centers-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

.center-card {
    text-align: center;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    background: var(--color-tertiary);
}

.center-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.center-card.jamshedpur {
    border-color: var(--color-primary);
    background: linear-gradient(var(--color-tertiary), var(--color-tertiary)) padding-box,
                var(--gradient-primary) border-box;
}

.center-card.jamshedpur::before {
    content: 'Main Campus';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-primary);
    color: var(--color-secondary);
    padding: var(--space-1) var(--space-6);
    font-size: var(--space-3);
    font-weight: var(--font-weight-bold);
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.center-card i {
    font-size: var(--space-8);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.center-card h3 {
    font-size: var(--space-5);
    margin-bottom: var(--space-2);
}

.center-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

/* Admissions Section */
.admissions-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

@media (min-width: 1024px) {
    .admissions-content {
        grid-template-columns: 1fr 1fr;
    }
}

.admissions-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

.step {
    text-align: center;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 1px solid var(--color-gray-200);
    position: relative;
    overflow: hidden;
    background: var(--color-tertiary);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.step-icon {
    font-size: var(--space-8);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.step-number {
    font-size: var(--space-10);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-gray-200);
    line-height: 1;
    margin-bottom: var(--space-3);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step h3 {
    font-size: var(--space-5);
    margin-bottom: var(--space-2);
}

.step p {
    color: var(--color-gray-600);
    font-size: var(--space-3);
    margin-bottom: 0;
}

.admissions-form {
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    background: var(--color-tertiary);
}

.form-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.form-header h3 {
    font-size: var(--space-6);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.form-header p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* Courses Section */
.courses-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

@media (min-width: 1024px) {
    .courses-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .courses-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

.course-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 1px solid var(--color-gray-200);
    background: var(--color-tertiary);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.course-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.online-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--gradient-primary);
    color: var(--color-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--space-2);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    box-shadow: var(--shadow-sm);
    animation: pulse 2s infinite;
}

.course-content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-title {
    font-size: var(--space-5);
    margin-bottom: var(--space-3);
    line-height: var(--line-height-snug);
}

.course-description {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
    flex: 1;
}

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

.course-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.course-actions {
    display: flex;
    gap: var(--space-3);
}

.course-actions .btn {
    flex: 1;
}

/* Team Section */
.team-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

@media (min-width: 1024px) {
    .team-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

.team-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 1px solid var(--color-gray-200);
    background: var(--color-tertiary);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.team-photo {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.team-card:hover .team-photo img {
    transform: scale(1.1);
}

.team-social {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--space-4);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.team-card:hover .team-social {
    opacity: 1;
    transform: translateY(0);
}

.team-social a {
    width: 40px;
    height: 40px;
    background: var(--color-tertiary);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.team-social a:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-2px);
}

.team-info {
    padding: var(--space-6);
}

.team-info h3 {
    font-size: var(--space-5);
    margin-bottom: var(--space-1);
}

.team-role {
    color: #1f2937; /* dark charcoal */
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
    font-size: 1.3rem;
}


.team-qualification {
    color: var(--color-gray-600);
    font-size: var(--space-3);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* Testimonials Section */
.testimonials-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

@media (min-width: 1024px) {
    .testimonials-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
    background: var(--color-tertiary);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--space-6);
    left: var(--space-6);
    font-size: 5rem;
    color: var(--color-primary);
    opacity: 0.2;
    font-family: serif;
    line-height: 1;
}

.testimonial-rating {
    color: var(--color-primary);
    font-size: var(--space-5);
    margin-bottom: var(--space-4);
}

.testimonial-text {
    font-style: italic;
    color: var(--color-gray-700);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: var(--z-10);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--space-6);
    color: var(--color-secondary);
    flex-shrink: 0;
}

.author-info h4 {
    font-size: var(--space-5);
    margin-bottom: var(--space-1);
}

.author-info p {
    color: var(--color-gray-600);
    font-size: var(--space-3);
    margin-bottom: 0;
}

/* Promotions Section */
.promotions-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

@media (min-width: 1024px) {
    .promotions-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

.promo-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-bounce);
    border: 1px solid var(--color-gray-200);
    background: var(--color-tertiary);
}

.promo-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.promo-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.promo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.promo-card:hover .promo-image img {
    transform: scale(1.1);
}

.promo-badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: var(--gradient-primary);
    color: var(--color-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--space-2);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    box-shadow: var(--shadow-sm);
}

.promo-content {
    padding: var(--space-6);
}

.promo-title {
    font-size: var(--space-5);
    margin-bottom: var(--space-2);
}

.promo-date {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    font-size: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.promo-content p {
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

/* Footer */
.footer {
    background: var(--gradient-dark);
    color: var(--color-tertiary);
    padding: var(--space-20) 0 var(--space-8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

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

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-logo .logo {
    height: 60px;
    width: auto;
}

.footer-logo .institute-name {
    font-size: var(--space-6);
}

.footer-description {
    color: var(--color-gray-300);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

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

.social-links a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--space-5);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-2px);
}

.footer-section h3 {
    font-size: var(--space-5);
    color: var(--color-tertiary);
    margin-bottom: var(--space-4);
    position: relative;
    padding-bottom: var(--space-2);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--color-gray-300);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: var(--space-2);
}

.footer-links i {
    font-size: var(--space-2);
}

.contact-info p {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--color-gray-300);
    line-height: var(--line-height-relaxed);
}

.contact-info i {
    color: var(--color-primary);
    margin-top: 2px;
    min-width: 20px;
}

.newsletter-form {
    margin-bottom: var(--space-8);
}

.input-group {
    display: flex;
    gap: var(--space-2);
}

.input-group input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-tertiary);
    font-family: var(--font-family-base);
    font-size: var(--space-4);
    transition: var(--transition-base);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
}

.input-group input::placeholder {
    color: var(--color-gray-500);
}

.input-group .btn {
    padding: var(--space-3);
    min-width: 44px;
}

.app-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
}

.app-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.app-btn:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-2px);
}

.app-btn i {
    font-size: var(--space-6);
}

.app-btn span {
    font-size: var(--space-3);
    font-weight: var(--font-weight-semibold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-400);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.heartbeat {
    animation: heartbeat 1.5s ease infinite;
    color: #ff4d4d;
}

/* ==========================================================================
   FLOATING BUTTONS
   ========================================================================== */

.whatsapp-btn {
    position: fixed;
    bottom: var(--space-8);
    left: var(--space-8);
    width: 70px;
    height: 70px;
    background: #25D366;
    color: var(--color-tertiary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: var(--space-8);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-40);
    transition: all var(--transition-bounce);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    top: 50%;
    right: 80px;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: var(--color-tertiary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--space-3);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    pointer-events: none;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 90px;
}

.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: var(--space-5);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-30);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-primary-lg);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0) rotate(0deg);
    }
    33% { 
        transform: translateY(-20px) rotate(5deg);
    }
    66% { 
        transform: translateY(10px) rotate(-5deg);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { 
        transform: translateX(-50%) translateY(0); 
    }
    40% { 
        transform: translateX(-50%) translateY(-10px); 
    }
    60% { 
        transform: translateX(-50%) translateY(-5px); 
    }
}

@keyframes scroll {
    0% { 
        transform: translateX(-50%) translateY(0); 
        opacity: 1; 
    }
    100% { 
        transform: translateX(-50%) translateY(20px); 
        opacity: 0; 
    }
}

@keyframes heartbeat {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.1); 
    }
}

@keyframes fade-in {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes slide-in-left {
    from { 
        opacity: 0; 
        transform: translateX(-20px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes slide-in-right {
    from { 
        opacity: 0; 
        transform: translateX(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */

@media (max-width: 1024px) {
    .section {
        padding: var(--space-16) 0;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 80px);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-8) var(--space-4);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-30);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .nav-link {
        padding: var(--space-3) var(--space-4);
        justify-content: flex-start;
        font-size: var(--space-4);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .floating-element {
        display: none;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-12) 0;
    }
    
    .hero-title {
        font-size: clamp(2rem, 4vw, 2.5rem);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .admissions-steps {
        grid-template-columns: 1fr;
    }
    
    .course-actions {
        flex-direction: column;
    }
    
    .app-buttons {
        grid-template-columns: 1fr;
    }
    
    .back-to-top,
    .whatsapp-btn {
        bottom: var(--space-4);
    }
    
    .whatsapp-btn {
        left: var(--space-4);
        width: 60px;
        height: 60px;
        font-size: var(--space-6);
    }
    
    .back-to-top {
        right: var(--space-4);
        width: 45px;
        height: 45px;
        font-size: var(--space-4);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature {
        padding: var(--space-2);
    }
    
    .feature i {
        font-size: var(--space-5);
    }
    
    .feature span {
        font-size: var(--space-2);
    }
    
    .footer-bottom {
        text-align: center;
        gap: var(--space-2);
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-buttons,
    .admissions-form,
    .whatsapp-btn,
    .back-to-top,
    .footer {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }
    
    .section {
        padding: 20pt 0 !important;
        page-break-inside: avoid;
    }
    
    h1, h2, h3 {
        color: #000;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}
/* Reset for mobile overflow */
body, html {
    width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Make containers responsive */
.container, .wrapper, section {
    max-width: 100%;
    box-sizing: border-box;
}

/* Responsive images */
img {
    max-width: 100%;
    height: auto;
}
@media (max-width: 768px) {
    body {
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .your-container-class {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}
/* Add black outline to yellow text */
.yellow-text, [style*="yellow"], [color*="yellow"], [class*="yellow"], [id*="yellow"] {
  -webkit-text-stroke: 1px black;
  text-shadow: 0 0 1px black; /* fallback for non-webkit browsers */
}

/* Add black outline to yellow icons/SVGs */
svg[fill*="yellow"], [fill*="yellow"], .icon-yellow, [class*="icon"] {
  filter: drop-shadow(0 0 1px black);
}
/* Add this to the RESPONSIVE ADJUSTMENTS section */
@media (max-width: 1024px) {
    /* Ensure menu covers full screen */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-8) var(--space-4);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-30);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .nav-link {
        padding: var(--space-3) var(--space-4);
        justify-content: flex-start;
        font-size: var(--space-4);
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* Prevent body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
        height: 100vh;
    }
}

/* Menu toggle animation */
.menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-tertiary);
    margin: 5px auto;
    transition: all 0.3s ease;
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}
.admissions-cta {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFD700);
  padding: 40px 20px;
}

.admission-box {
  background: #ffffff;
  max-width: 600px;
  width: 100%;
  text-align: center;
  padding: 50px 30px;
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
  animation: fadeUp 0.8s ease;
}

.admission-box h2 {
  font-size: 32px;
  color: #000000;
  margin-bottom: 15px;
}

.admission-box p {
  font-size: 16px;
  color: #0454c4;
  line-height: 1.7;
  margin-bottom: 30px;
}

.admission-btn {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, #FFD700);
  color: #000000;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
}

.admission-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(79, 70, 229, 0.6);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile Responsive */
@media (max-width: 600px) {
  .admission-box h2 {
    font-size: 26px;
  }
}