/* ===== CSS VARIABLES ===== */
:root {
    /* Primary Colors */
    --primary-color: #4f46e5;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    /* Light/Dark Shades */
    --light-primary: #e0e7ff;
    --dark-primary: #312e81;
    --light-secondary: #cffafe;
    --dark-secondary: #164e63;
    --light-accent: #fef3c7;
    --dark-accent: #92400e;
    
    /* Neutral Colors */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background-light: #f8fafc;
    --background-white: #ffffff;
    --border-color: #e5e7eb;
    
    /* Fonts */
    --font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 1rem;
    --font-size-small: 0.875rem;
    --font-size-large: 1.125rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Borders */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    overflow-x: hidden;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

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;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

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

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

/* ===== HEADER & NAVIGATION ===== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    padding: var(--spacing-sm) 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    margin: 0 var(--spacing-sm);
    transition: var(--transition-base);
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-nav {
    padding: var(--spacing-xl) 0;
    background: var(--background-light);
    margin-top: 76px;
}

.breadcrumb-img {
    width: 100%;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--light-primary) 0%, var(--light-secondary) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../YUD_images/hero-bg.webp') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.hero-section p {
    font-size: var(--font-size-large);
    color: var(--text-light);
}

/* ===== SPACE SECTION ===== */
.space-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    color: white;
}

.space-content h1 {
    color: white;
    font-weight: 700;
}

.space-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-large);
}

.space-animation {
    animation: float 6s ease-in-out infinite;
}

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

/* ===== SECTIONS ===== */
section {
    padding: var(--spacing-xxl) 0;
}

.bg-light {
    background-color: var(--background-light) !important;
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-light);
    font-size: var(--font-size-small);
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: var(--transition-base);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dark-primary), var(--dark-secondary));
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* ===== PROCESS STEPS ===== */
.process-step {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--background-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    width: 45%;
}

.timeline-item:nth-child(odd) {
    margin-left: 0;
}

.timeline-item:nth-child(even) {
    margin-left: 55%;
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--primary-color);
    top: 20px;
}

.timeline-item:nth-child(odd)::before {
    right: -52px;
}

.timeline-item:nth-child(even)::before {
    left: -52px;
}

/* ===== FORMS ===== */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition-base);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ===== ACCORDION ===== */
.accordion-item {
    border: none;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-button {
    background: var(--background-white);
    border: none;
    font-weight: 500;
    padding: var(--spacing-lg);
}

.accordion-button:not(.collapsed) {
    background: var(--light-primary);
    color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-body {
    padding: var(--spacing-lg);
    background: var(--background-white);
}

/* ===== FOOTER ===== */
footer {
    background: var(--text-dark) !important;
    color: white;
}

footer h5 {
    color: white;
    margin-bottom: var(--spacing-md);
}

footer p {
    color: rgba(255, 255, 255, 0.8);
}

footer a {
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-base);
}

footer a:hover {
    color: white;
}

/* ===== IMAGES ===== */
img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.rounded-circle {
    border-radius: 50% !important;
}

/* ===== GALLERY ===== */
.gallery img {
    transition: var(--transition-base);
}

.gallery img:hover {
    transform: scale(1.05);
}

/* ===== UTILITIES ===== */
.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--secondary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== CONTACT INFO ===== */
.contact-info p {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.contact-info i {
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        margin-left: 40px !important;
    }
    
    .timeline-item::before {
        left: -52px !important;
    }
    
    .process-step {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
} 


/* Team Social Links - Rounded Style */
.team-social-links {
    margin-top: 20px;
    padding: 15px 0;
}

.social-icons-grid {
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.social-link {
    display: inline-flex;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    color: white;
}

.facebook-link {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
}

.facebook-link:hover {
    background: linear-gradient(135deg, #0d6efd, #1877f2);
}

.linkedin-link {
    background: linear-gradient(135deg, #0a66c2, #2196f3);
}

.linkedin-link:hover {
    background: linear-gradient(135deg, #084a8a, #0a66c2);
}

.x-link {
    background: linear-gradient(135deg, #000000, #333333);
    position: relative;
}

.x-link::after {
    content: '𝕏';
    font-weight: bold;
    font-size: 20px;
}

.x-link:hover {
    background: linear-gradient(135deg, #1a1a1a, #000000);
}

.x-link i {
    display: none;
}

@media (max-width: 768px) {
    .social-icons-grid {
        gap: 10px;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}