:root {
    --brand-blue: #0a3ca8;
    --brand-blue-900: #0b2a58;
    --brand-blue-light: #1e5fcc;
    --brand-yellow: #ffcc00;
    --brand-yellow-dark: #e6b800;
    --primary-blue: #001659;
    --secondary-blue: #00235a;
    --accent-yellow: #ffcc00;
    --light-bg: #f9fafb;
    --spacing-xs: clamp(0.5rem, 1vw, 0.75rem);
    --spacing-sm: clamp(0.75rem, 1.5vw, 1rem);
    --spacing-md: clamp(1rem, 2vw, 1.5rem);
    --spacing-lg: clamp(1.5rem, 3vw, 2.5rem);
    --spacing-xl: clamp(2rem, 4vw, 4rem);
    --text-xs: clamp(0.75rem, 1vw, 0.875rem);
    --text-sm: clamp(0.875rem, 1.2vw, 1rem);
    --text-base: clamp(1rem, 1.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 2vw, 1.5rem);
    --text-xl: clamp(1.5rem, 2.5vw, 2rem);
    --text-2xl: clamp(2rem, 4vw, 3rem);
    --text-3xl: clamp(2.5rem, 5vw, 4rem);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --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 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-blur: 12px
}

@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 fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9)
    }

    to {
        opacity: 1;
        transform: scale(1)
    }
}

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

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px)
    }

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-10px)
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(10, 60, 168, 0.4)
    }

    50% {
        box-shadow: 0 0 0 15px rgba(10, 60, 168, 0)
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0
    }

    100% {
        background-position: 1000px 0
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg)
    }

    to {
        transform: rotate(360deg)
    }
}

.animate-fade-in-up {
    animation: fadeInUp var(--duration-slow) var(--ease-smooth) both
}

.animate-fade-in-down {
    animation: fadeInDown var(--duration-slow) var(--ease-smooth) both
}

.animate-fade-in-scale {
    animation: fadeInScale var(--duration-slow) var(--ease-smooth) both
}

.animate-slide-in-right {
    animation: slideInRight var(--duration-slow) var(--ease-smooth) both
}

.animate-slide-in-left {
    animation: slideInLeft var(--duration-slow) var(--ease-smooth) both
}

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

.delay-100 {
    animation-delay: 100ms
}

.delay-200 {
    animation-delay: 200ms
}

.delay-300 {
    animation-delay: 300ms
}

.delay-400 {
    animation-delay: 400ms
}

.delay-500 {
    animation-delay: 500ms
}

.delay-600 {
    animation-delay: 600ms
}

.delay-700 {
    animation-delay: 700ms
}

.delay-800 {
    animation-delay: 800ms
}

.hover-lift {
    transition: transform var(--duration-normal) var(--ease-smooth), box-shadow var(--duration-normal) var(--ease-smooth)
}

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

.hover-grow {
    transition: transform var(--duration-normal) var(--ease-bounce)
}

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

.hover-glow {
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth)
}

.hover-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 204, 0, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform var(--duration-slow) var(--ease-smooth)
}

.hover-glow:hover::before {
    transform: translateX(100%)
}

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

.hover-shine::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s var(--ease-smooth)
}

.hover-shine:hover::after {
    transform: translateX(100%)
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--shadow-md)
}

.glass-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px) saturate(110%);
    -webkit-backdrop-filter: blur(10px) saturate(110%)
}

.btn-premium {
    position: relative;
    overflow: hidden;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 0.75rem;
    transition: all var(--duration-normal) var(--ease-smooth);
    box-shadow: var(--shadow-md)
}

.btn-premium::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform var(--duration-slow) var(--ease-smooth)
}

.btn-premium:hover::before {
    transform: translateX(100%)
}

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

.btn-premium:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm)
}

.btn-premium-primary {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-light));
    color: white
}

.btn-premium-primary:hover {
    background: linear-gradient(135deg, var(--brand-blue-light), var(--brand-blue))
}

.btn-premium-secondary {
    background: linear-gradient(135deg, var(--brand-yellow), var(--brand-yellow-dark));
    color: var(--brand-blue-900)
}

.btn-premium-secondary:hover {
    background: linear-gradient(135deg, var(--brand-yellow-dark), var(--brand-yellow))
}

.card-3d {
    position: relative;
    transition: transform var(--duration-normal) var(--ease-smooth);
    transform-style: preserve-3d;
    perspective: 1000px
}

.card-3d:hover {
    transform: rotateX(5deg) rotateY(5deg)
}

.card-parallax {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    transition: all var(--duration-normal) var(--ease-smooth)
}

.card-parallax img {
    transition: transform var(--duration-slow) var(--ease-smooth)
}

.card-parallax:hover img {
    transform: scale(1.1)
}

.card-parallax::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth)
}

.card-parallax:hover::after {
    opacity: 1
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth)
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0)
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 0%, #e0e0e0 50%, #f0f0f0 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 0.5rem
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(10, 60, 168, 0.1);
    border-top-color: var(--brand-blue);
    border-radius: 50%;
    animation: rotate 1s linear infinite
}

@media(max-width:768px) {
    :root {
        --spacing-xl: clamp(1.5rem, 3vw, 2rem);
        --text-3xl: clamp(2rem, 6vw, 2.5rem)
    }

    .card-3d:hover {
        transform: none
    }

    .hover-lift:active {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md)
    }

    .btn-premium {
        min-height: 44px;
        min-width: 44px
    }
}

@media(max-width:480px) {
    .glass-card {
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px)
    }

    .animate-float {
        animation: none
    }
}

@media(prefers-reduced-motion:reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important
    }
}

:focus-visible {
    outline: 2px solid var(--brand-yellow);
    outline-offset: 3px;
    border-radius: 0.25rem
}

@media(prefers-color-scheme:dark) {
    :root {
        --glass-bg: rgba(0, 0, 0, 0.3);
        --glass-border: rgba(255, 255, 255, 0.1)
    }

    .skeleton {
        background: linear-gradient(90deg, #2a2a2a 0%, #3a3a3a 50%, #2a2a2a 100%)
    }
}

.ripple {
    position: relative;
    overflow: hidden
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s
}

.ripple:active::after {
    width: 300px;
    height: 300px
}

html {
    scroll-behavior: smooth
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }
}

.text-gradient {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.border-gradient {
    position: relative;
    background: white;
    border-radius: 1rem
}

.border-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 2px;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-yellow));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude
}