/* CSS Variables */
:root {
    /* Primary Colors (Blue-Orange Complementary) */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #f59e0b;
    --secondary-hover: #d97706;
    --secondary-light: #fbbf24;
    
    /* Accent Colors */
    --accent-color: #10b981;
    --accent-hover: #059669;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --success-color: #22c55e;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #1f2937;
    --bg-light: #f3f4f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(245, 158, 11, 0.8) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    --gradient-overlay: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
    
    /* Typography */
    --font-heading: 'Raleway', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1010;
    --z-fixed: 1020;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 2.25rem; }
h4 { font-size: 1.875rem; }
h5 { font-size: 1.5rem; }
h6 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.text-white, .text-white * {
    color: var(--text-white) !important;
}

/* Global Button Styles */
.btn, button, input[type="submit"], .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    min-height: 48px;
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before, button::before, input[type="submit"]::before, .button::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 var(--transition);
}

.btn:hover::before, button:hover::before, input[type="submit"]:hover::before, .button:hover::before {
    left: 100%;
}

/* Button Variants */
.btn-primary, .button.is-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover, .button.is-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: var(--white);
    text-decoration: none;
}

.btn-secondary, .button.is-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover, .button.is-secondary:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-outline, .button.is-outlined {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover, .button.is-outlined:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Read More Links */
.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition);
    margin-top: var(--spacing-sm);
}

.read-more:hover {
    color: var(--primary-hover);
    transform: translateX(5px);
}

.read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: var(--transition);
}

.read-more:hover::after {
    transform: translateX(3px);
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--gray-200);
    z-index: var(--z-fixed);
    transition: var(--transition);
}

.navbar.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-item {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
}

.navbar-item:hover {
    color: var(--primary-color);
}

.navbar-item::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--gradient-primary);
    transition: all var(--transition);
    transform: translateX(-50%);
}

.navbar-item:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero-body {
    position: relative;
    z-index: 2;
    padding: var(--spacing-2xl) 0;
}

.hero .title,
.hero .subtitle,
.hero p {
    color: var(--text-white) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.hero .subtitle {
    font-size: clamp(1.25rem, 3vw, 1.875rem);
    font-weight: var(--font-weight-light);
    opacity: 0.95;
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex-grow: 1;
}

.card-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.card:hover .card-image img {
    transform: scale(1.05);
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

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

.section.has-background-primary {
    background: var(--gradient-primary);
    color: var(--white);
}

.section.has-background-primary .title,
.section.has-background-primary .subtitle,
.section.has-background-primary p {
    color: var(--white) !important;
}

/* Services Section */
#services .card {
    border-top: 4px solid var(--primary-color);
}

#services .card:nth-child(2) {
    border-top-color: var(--secondary-color);
    transform: translateY(-20px);
}

#services .card:nth-child(3) {
    border-top-color: var(--accent-color);
}

/* Methodology Section */
#methodology .columns {
    align-items: center;
}

#methodology .image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Projects Section */
#projects .card {
    position: relative;
    overflow: hidden;
}

#projects .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

#projects .card:hover::before {
    opacity: 0.1;
}

/* Statistics */
.statistic-widget {
    text-align: center;
    padding: var(--spacing-lg);
}

.statistic-widget .title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-card);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

/* Blog Section */
#blog .card {
    transition: all var(--transition);
}

#blog .card:hover {
    transform: translateY(-5px) rotate(1deg);
}

#blog .card:nth-child(even) {
    transform: translateY(20px);
}

#blog .card:nth-child(even):hover {
    transform: translateY(15px) rotate(-1deg);
}

/* Events Calendar */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: -0.5rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow);
}

.timeline-content {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

/* FAQ Section */
.accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover {
    border-color: var(--primary-color);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    cursor: pointer;
    transition: var(--transition);
}

.accordion-header:hover {
    background: var(--primary-light);
    background-opacity: 0.1;
}

.accordion-toggle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    transition: var(--transition);
}

.accordion-content {
    padding: var(--spacing-lg);
    display: none;
    background: var(--bg-primary);
}

.accordion-item.active .accordion-content {
    display: block;
    animation: fadeInDown 0.3s ease-out;
}

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

/* Resources Section */
#resources .card {
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition);
}

#resources .card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px) scale(1.02);
}

/* Contact Section */
.contact-form {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.field {
    margin-bottom: var(--spacing-md);
}

.label {
    display: block;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.input, .textarea, .select select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-primary);
}

.input:focus, .textarea:focus, .select select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer .title,
.footer .subtitle,
.footer h3,
.footer h4 {
    color: var(--white) !important;
}

.footer a {
    color: var(--text-light);
    transition: var(--transition);
}

.footer a:hover {
    color: var(--primary-light);
    text-decoration: none;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: var(--spacing-xs);
}

.social-links {
    margin-top: var(--spacing-md);
}

.social-links a {
    display: inline-block;
    margin-right: var(--spacing-sm);
    padding: var(--spacing-xs);
    border-radius: var(--radius);
    transition: var(--transition);
    font-weight: var(--font-weight-semibold);
}

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

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    text-align: center;
    padding: var(--spacing-lg);
}

.success-content {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
}

/* Privacy & Terms Pages */
.privacy-content,
.terms-content {
    padding-top: 120px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    padding-bottom: var(--spacing-2xl);
}

.privacy-content h2,
.terms-content h2 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }

/* Responsive Design */
@media (max-width: 768px) {
    .hero .title {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.25rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .btn, button, input[type="submit"], .button {
        font-size: 0.875rem;
        padding: 0.75rem 1.5rem;
    }
    
    .card-content {
        padding: var(--spacing-md);
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    #services .card:nth-child(2) {
        transform: none;
    }
    
    #blog .card:nth-child(even) {
        transform: none;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    h4 { font-size: 1.5rem; }
    h5 { font-size: 1.25rem; }
    h6 { font-size: 1.125rem; }
}

@media (max-width: 480px) {
    .hero .title {
        font-size: 2rem;
    }
    
    .hero .subtitle {
        font-size: 1.125rem;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-content {
        padding: var(--spacing-md);
    }
    
    .accordion-header {
        padding: var(--spacing-md);
    }
    
    .accordion-content {
        padding: var(--spacing-md);
    }
}

/* Animation Enhancements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.scroll-animate.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Glassmorphism Effects */
.glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.glass-dark {
    background: rgba(31, 41, 55, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Micro-animations */
.hover-float:hover {
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

.hover-scale:hover {
    transform: scale(1.05);
}

/* Performance Optimizations */
.card, .btn, button, .timeline-content {
    will-change: transform;
}

img {
    will-change: transform;
}

/* Cookie Consent */
#cookieConsent {
    background: var(--glass-dark) !important;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#cookieConsent button {
    background: var(--primary-color);
    border: none;
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-weight: var(--font-weight-semibold);
    transition: var(--transition);
}

#cookieConsent button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}