/* Premium Design Enhancements */

/* Neumorphism Effects */
.neumorphic {
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    box-shadow: 20px 20px 60px #d1d1d1, -20px -20px 60px #ffffff;
    border-radius: var(--radius-xl);
}

.neumorphic-inset {
    background: linear-gradient(145deg, #f0f0f0, #ffffff);
    box-shadow: inset 5px 5px 10px #d1d1d1, inset -5px -5px 10px #ffffff;
    border-radius: var(--radius-lg);
}

/* Glassmorphism Premium */
.glass-premium {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px 0 rgba(0, 102, 204, 0.1);
}

/* Advanced Gradients */
.gradient-mesh {
    background-image: 
        radial-gradient(at 40% 20%, hsla(210, 100%, 56%, 0.3) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(355, 100%, 93%, 0.2) 0px, transparent 50%),
        radial-gradient(at 80% 50%, hsla(340, 100%, 76%, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, hsla(210, 100%, 80%, 0.2) 0px, transparent 50%),
        radial-gradient(at 80% 100%, hsla(242, 100%, 70%, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 0%, hsla(343, 100%, 76%, 0.1) 0px, transparent 50%);
    background-color: var(--pale-blue);
}

/* Premium Typography */
.display-heading {
    font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 50%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.display-heading::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    background: none;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 2px rgba(0, 102, 204, 0.1);
    filter: blur(8px);
}

/* Premium Buttons */
.btn-premium {
    position: relative;
    padding: 16px 40px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: white;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-blue), var(--primary-blue));
    opacity: 0;
    transition: opacity 0.4s;
}

.btn-premium::after {
    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 {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.4);
}

.btn-premium:hover::before {
    opacity: 1;
}

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

.btn-premium span {
    position: relative;
    z-index: 1;
}

/* Premium Cards */
.card-premium {
    position: relative;
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.320, 1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 102, 204, 0.1);
    overflow: hidden;
}

.card-premium::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(0, 128, 255, 0.1) 0%, transparent 70%);
    transition: all 0.6s;
    pointer-events: none;
}

.card-premium:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 102, 204, 0.15);
    border-color: var(--accent-blue);
}

.card-premium:hover::before {
    top: -150%;
    left: -150%;
}

/* Animated Backgrounds */
.animated-gradient-bg {
    background: linear-gradient(-45deg, #001a33, #003366, #004499, #0066cc, #0080ff);
    background-size: 400% 400%;
    animation: gradient-animation 15s ease infinite;
}

@keyframes gradient-animation {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Floating Elements - Disabled */
.floating {
    /* animation: floating 6s ease-in-out infinite; */
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(2deg);
    }
    66% {
        transform: translateY(10px) rotate(-2deg);
    }
}

/* Premium Hover Effects */
.hover-lift {
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Text Effects */
.text-gradient-animate {
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue), var(--secondary-blue), var(--primary-blue));
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: text-gradient 3s linear infinite;
}

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

/* Premium Shadows */
.shadow-premium {
    box-shadow: 
        0 2.8px 2.2px rgba(0, 0, 0, 0.02),
        0 6.7px 5.3px rgba(0, 0, 0, 0.028),
        0 12.5px 10px rgba(0, 0, 0, 0.035),
        0 22.3px 17.9px rgba(0, 0, 0, 0.042),
        0 41.8px 33.4px rgba(0, 0, 0, 0.05),
        0 100px 80px rgba(0, 0, 0, 0.07);
}

/* Reveal Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.320, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.320, 1);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Premium Navigation */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.nav-link {
    position: relative;
    font-weight: 500;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: scaleX(1);
}

/* Premium Form Elements */
.form-group-premium {
    position: relative;
    margin-bottom: 2rem;
}

.form-group-premium input,
.form-group-premium textarea {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 12px;
    background: var(--gray-lighter);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group-premium input:focus,
.form-group-premium textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0, 128, 255, 0.1);
}

/* Subtle Animations */
.pulse-subtle {
    animation: pulse-subtle 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-subtle {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Premium Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--gray-lighter);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-blue), var(--accent-blue));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-blue), var(--secondary-blue));
}

/* Selection Style */
::selection {
    background: var(--accent-blue);
    color: var(--white);
    text-shadow: none;
}

/* Focus Styles */
*:focus-visible {
    outline: 3px solid rgba(0, 128, 255, 0.5);
    outline-offset: 2px;
}

/* Premium Badge */
.badge-premium {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

/* Glow Effect */
.glow {
    position: relative;
}

.glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-blue), var(--secondary-blue));
    border-radius: inherit;
    filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.glow:hover::before {
    opacity: 0.7;
}