/* ========================================================================
   ULTRA PREMIUM DESIGN SYSTEM
   Professional Modern Design for All Pages
   ======================================================================== */

/* ========================================================================
   ROOT VARIABLES - PREMIUM COLOR PALETTE
   ======================================================================== */
:root {
    /* Primary Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-info: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    --gradient-dark: linear-gradient(135deg, #434343 0%, #000000 100%);
    --gradient-royal: linear-gradient(135deg, #141E30 0%, #243B55 100%);
    --gradient-sunset: linear-gradient(135deg, #FF512F 0%, #F09819 100%);
    --gradient-ocean: linear-gradient(135deg, #2E3192 0%, #1BFFFF 100%);
    --gradient-purple: linear-gradient(135deg, #8E2DE2 0%, #4A00E0 100%);
    
    /* Glass Morphism Colors */
    --glass-white: rgba(255, 255, 255, 0.1);
    --glass-dark: rgba(0, 0, 0, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    /* Shadow Depths */
    --shadow-xs: 0 2px 8px rgba(102, 126, 234, 0.08);
    --shadow-sm: 0 4px 15px rgba(102, 126, 234, 0.12);
    --shadow-md: 0 8px 30px rgba(102, 126, 234, 0.15);
    --shadow-lg: 0 15px 50px rgba(102, 126, 234, 0.25);
    --shadow-xl: 0 20px 70px rgba(102, 126, 234, 0.35);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.4);
    
    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 25px;
    --radius-xl: 35px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Poppins', 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #2d3748;
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================================================
   PREMIUM CARD SYSTEM
   ======================================================================== */
.premium-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.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-base);
}

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

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

/* Glass Morphism Card */
.glass-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

/* Gradient Card */
.gradient-card {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.gradient-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 8s infinite;
}

/* ========================================================================
   PREMIUM BUTTONS
   ======================================================================== */
.btn-premium {
    background: var(--gradient-primary);
    color: white;
    padding: 14px 35px;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-block;
}

.btn-premium::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 0.5s;
}

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

.btn-premium:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.btn-premium:active {
    transform: translateY(-1px) scale(1.02);
}

/* Button Variants */
.btn-premium-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
    padding: 12px 33px;
}

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

.btn-premium-success {
    background: var(--gradient-success);
}

.btn-premium-warning {
    background: var(--gradient-warning);
}

.btn-premium-large {
    padding: 18px 45px;
    font-size: 18px;
}

.btn-premium-small {
    padding: 10px 25px;
    font-size: 14px;
}

/* ========================================================================
   PREMIUM BACKGROUNDS
   ======================================================================== */
.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-animated {
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: gradientFlow 15s ease infinite;
}

.bg-particles {
    position: relative;
    overflow: hidden;
}

.bg-mesh-gradient {
    background: 
        radial-gradient(at 40% 20%, hsla(28,100%,74%,1) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(189,100%,56%,1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(355,100%,93%,1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, hsla(340,100%,76%,1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, hsla(22,100%,77%,1) 0px, transparent 50%),
        radial-gradient(at 80% 100%, hsla(242,100%,70%,1) 0px, transparent 50%),
        radial-gradient(at 0% 0%, hsla(343,100%,76%,1) 0px, transparent 50%);
}

/* ========================================================================
   PREMIUM TEXT STYLES
   ======================================================================== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

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

.text-shimmer {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmerText 3s linear infinite;
}

.text-glow {
    color: white;
    text-shadow: 
        0 0 10px rgba(102, 126, 234, 0.8),
        0 0 20px rgba(102, 126, 234, 0.6),
        0 0 30px rgba(102, 126, 234, 0.4);
}

/* Premium Headings */
h1.premium-heading,
h2.premium-heading,
h3.premium-heading {
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1.premium-heading {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2.premium-heading {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3.premium-heading {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

/* ========================================================================
   PREMIUM ICONS
   ======================================================================== */
.premium-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.premium-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    filter: blur(10px);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.premium-icon:hover {
    transform: scale(1.1) rotate(5deg);
}

.premium-icon:hover::before {
    opacity: 0.7;
}

.icon-circle {
    border-radius: 50%;
}

.icon-large {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
}

.icon-small {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

/* ========================================================================
   PREMIUM ANIMATIONS
   ======================================================================== */
@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 slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    }
}

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

@keyframes shimmerText {
    to {
        background-position: 200% center;
    }
}

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

/* Animation Classes */
.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeInDown {
    animation: fadeInDown 0.8s ease-out forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-scaleIn {
    animation: scaleIn 0.6s ease-out forwards;
}

.animate-rotateIn {
    animation: rotateIn 0.8s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Delay Classes */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* ========================================================================
   HOVER EFFECTS
   ======================================================================== */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.hover-grow {
    transition: transform var(--transition-base);
}

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

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

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

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

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

/* ========================================================================
   PREMIUM SECTIONS
   ======================================================================== */
.premium-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.premium-section::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='%23667eea' 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: 0.5;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================================================
   PREMIUM FORMS
   ======================================================================== */
.premium-form-group {
    margin-bottom: var(--space-md);
}

.premium-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all var(--transition-base);
    background: white;
}

.premium-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.premium-input::placeholder {
    color: #a0aec0;
}

/* ========================================================================
   PREMIUM BADGES
   ======================================================================== */
.premium-badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

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

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

.badge-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

/* ========================================================================
   PREMIUM ALERTS
   ======================================================================== */
.premium-alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.5s ease-out;
}

.premium-alert-success {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1), rgba(0, 242, 254, 0.1));
    border-left: 4px solid #4facfe;
}

.premium-alert-warning {
    background: linear-gradient(135deg, rgba(250, 112, 154, 0.1), rgba(254, 225, 64, 0.1));
    border-left: 4px solid #fa709a;
}

.premium-alert-danger {
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.1), rgba(245, 87, 108, 0.1));
    border-left: 4px solid #f5576c;
}

/* ========================================================================
   PREMIUM LOADING
   ======================================================================== */
.premium-loader {
    width: 50px;
    height: 50px;
    border: 5px solid #e2e8f0;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-dots {
    display: inline-flex;
    gap: 8px;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #667eea;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* ========================================================================
   PREMIUM TESTIMONIALS
   ======================================================================== */
.premium-testimonial {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.premium-testimonial::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 80px;
    color: #667eea;
    opacity: 0.1;
    font-family: Georgia, serif;
}

.testimonial-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

/* ========================================================================
   PREMIUM PRICING CARDS
   ======================================================================== */
.premium-pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.premium-pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

.premium-pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.premium-pricing-card.featured {
    border: 3px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}

.price-tag {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================================================
   PREMIUM FOOTER
   ======================================================================== */
.premium-footer {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    padding: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.premium-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

/* ========================================================================
   RESPONSIVE DESIGN
   ======================================================================== */
@media (max-width: 768px) {
    :root {
        --space-lg: 2rem;
        --space-xl: 3rem;
    }
    
    .premium-section {
        padding: 60px 0;
    }
    
    .premium-card {
        padding: var(--space-md);
    }
    
    .premium-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .btn-premium {
        padding: 12px 28px;
        font-size: 14px;
    }
}

/* ========================================================================
   UTILITY CLASSES
   ======================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

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

.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }
.p-5 { padding: var(--space-xl); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.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); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.flex-column { flex-direction: column; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }

.position-relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ========================================================================
   END OF ULTRA PREMIUM DESIGN SYSTEM
   ======================================================================== */