/* ========================================
   THREESTAR PREMIUM DESIGN SYSTEM
   Professional, Consistent, Eye-catching
   ======================================== */

:root {
    /* Primary Brand Colors */
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #64B5F6;
    --secondary-color: #4CAF50;
    --secondary-dark: #388E3C;
    --secondary-light: #81C784;

    /* Gradient Schemes */
    --gradient-primary: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    --gradient-secondary: linear-gradient(135deg, #4CAF50 0%, #388E3C 100%);
    --gradient-hero: linear-gradient(135deg, #0D47A1 0%, #1565C0 50%, #1976D2 100%);
    --gradient-card: linear-gradient(135deg, rgba(33, 150, 243, 0.05) 0%, rgba(76, 175, 80, 0.05) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(13, 71, 161, 0.9) 0%, rgba(25, 101, 192, 0.9) 100%);

    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --dark: #0d1b2a;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Shadows - Progressive Depth */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 24px 60px rgba(0, 0, 0, 0.20);

    /* Hover Shadows */
    --shadow-hover: 0 12px 32px rgba(33, 150, 243, 0.25);
    --shadow-glow: 0 0 20px rgba(33, 150, 243, 0.4);

    /* 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: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ========================================
   PREMIUM CARD SYSTEM
   ======================================== */

.premium-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(33, 150, 243, 0.1);
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(33, 150, 243, 0.3);
}

.premium-card:hover::before {
    transform: scaleX(1);
}

/* Glass Morphism Card */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

/* Gradient Card */
.gradient-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(33, 150, 243, 0.15);
}

.gradient-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   PREMIUM BUTTONS
   ======================================== */

.btn-premium {
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-premium:hover::before {
    width: 300px;
    height: 300px;
}

.btn-premium i {
    transition: transform var(--transition-normal);
}

.btn-premium:hover i {
    transform: translateX(5px);
}

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

.btn-premium-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

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

.btn-premium-secondary:hover {
    box-shadow: 0 8px 24px rgba(76, 175, 80, 0.3);
    transform: translateY(-2px);
}

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

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

/* ========================================
   PREMIUM ICON BADGES
   ======================================== */

.icon-badge {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.icon-badge::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.icon-badge:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

.icon-badge:hover::after {
    opacity: 1;
    animation: pulse-ring 1.5s ease-out infinite;
}

.icon-badge-sm {
    width: 50px;
    height: 50px;
    font-size: 20px;
}

.icon-badge-lg {
    width: 90px;
    height: 90px;
    font-size: 36px;
}

.icon-badge-secondary {
    background: var(--gradient-secondary);
}

/* ========================================
   FLOATING BLOB ANIMATIONS
   ======================================== */

.floating-blobs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: 10%;
    right: 10%;
    animation-delay: 5s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: var(--primary-light);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.9);
    }
    75% {
        transform: translate(40px, 20px) scale(1.05);
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ========================================
   PREMIUM HOVER EFFECTS
   ======================================== */

.hover-lift {
    transition: all var(--transition-normal);
}

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

.hover-glow {
    transition: all var(--transition-normal);
}

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

.hover-scale {
    transition: transform var(--transition-normal);
}

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

.hover-rotate {
    transition: transform var(--transition-normal);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

.hover-slide-right {
    transition: transform var(--transition-normal);
}

.hover-slide-right:hover {
    transform: translateX(8px);
}

/* ========================================
   PREMIUM SECTION BACKGROUNDS
   ======================================== */

.section-gradient {
    background: var(--gradient-hero);
    color: var(--white);
    position: relative;
}

.section-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.section-light {
    background: var(--gray-100);
}

.section-white {
    background: var(--white);
}

/* ========================================
   PREMIUM GRADIENT TEXT
   ======================================== */

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ========================================
   ANIMATED UNDERLINES
   ======================================== */

.animated-underline {
    position: relative;
    display: inline-block;
}

.animated-underline::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.animated-underline:hover::after {
    width: 100%;
}

/* ========================================
   PREMIUM STATS/COUNTERS
   ======================================== */

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: var(--gradient-primary);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.stat-card:hover::before {
    transform: translateY(0);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.stat-card:hover .stat-number,
.stat-card:hover .stat-label {
    color: var(--white);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
    transition: color var(--transition-normal);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-top: var(--spacing-sm);
    position: relative;
    z-index: 1;
    transition: color var(--transition-normal);
}

/* ========================================
   PREMIUM LOADING ANIMATIONS
   ======================================== */

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

.fade-in-down {
    animation: fadeInDown 0.6s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

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

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

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

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

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

@media (max-width: 768px) {
    .premium-card {
        padding: var(--spacing-md);
    }

    .icon-badge {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .btn-premium {
        padding: 12px 24px;
        font-size: 14px;
    }

    .blob {
        display: none; /* Hide blobs on mobile for performance */
    }
}

@media (max-width: 576px) {
    .premium-card:hover {
        transform: translateY(-4px);
    }

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

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.shadow-premium {
    box-shadow: var(--shadow-xl);
}

.rounded-premium {
    border-radius: var(--radius-lg);
}

.position-relative {
    position: relative;
}

.z-index-1 {
    z-index: 1;
}

.overflow-hidden {
    overflow: hidden;
}