/* ============================================
   HERO SLIDER - PREMIUM BLUE EDITION
   Trust, Elegance, Innovation
   ============================================ */

/* Blue Color Palette - Pure Blue (No Purple) */
:root {
    --blue-primary: #0066FF;      /* Trust, peace, wisdom */
    --blue-navy: #001A4D;         /* Strength, authority - pure dark blue */
    --blue-midnight: #002266;     /* Deep blue - no purple */
    --blue-azure: #007FFF;        /* Clarity, freedom, serenity */
    --blue-sapphire: #0052CC;     /* Truth, nobility, luxury */
    --blue-persian: #0044AA;      /* Confidence, sophistication */
    --blue-argentina: #70B8FF;    /* Openness, tranquillity */
    --blue-cerulean: #007BA7;     /* Inspiration, renewal */
    --blue-aqua: #00D4FF;         /* Balance, vibrancy, energy */
    --blue-sky: #99CCFF;          /* Lightness, calm, aspiration */
    --blue-electric: #00BFFF;     /* Intensity, innovation */
    --blue-celeste: #B0E0FF;      /* Gentleness, innocence */
}

/* Hero Container - Full Viewport */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
    background: var(--blue-navy);
}

/* Animated Gradient Background - Pure Blue Theme (No Purple) */
.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 100% 80% at 20% 0%, rgba(0, 34, 102, 0.9), transparent),
        radial-gradient(ellipse 80% 60% at 80% 20%, rgba(0, 127, 255, 0.4), transparent),
        radial-gradient(ellipse 60% 50% at 10% 80%, rgba(0, 82, 204, 0.5), transparent),
        radial-gradient(ellipse 50% 40% at 90% 70%, rgba(0, 212, 255, 0.2), transparent),
        linear-gradient(180deg, 
            var(--blue-navy) 0%, 
            var(--blue-midnight) 30%, 
            var(--blue-sapphire) 70%, 
            var(--blue-persian) 100%
        );
    animation: bgShift 25s ease-in-out infinite;
}

@keyframes bgShift {
    0%, 100% { 
        transform: scale(1); 
        filter: hue-rotate(0deg);
    }
    50% { 
        transform: scale(1.05); 
        filter: hue-rotate(10deg);
    }
}

/* Mesh Gradient Overlay - Pure Blue (No Purple) */
.hero-mesh {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(at 40% 20%, rgba(112, 184, 255, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(0, 102, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(0, 212, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(0, 68, 170, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(0, 82, 204, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 100%, rgba(0, 191, 255, 0.1) 0px, transparent 50%);
    pointer-events: none;
}

/* Floating Particles - Blue Tones */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) { 
    left: 10%; top: 20%; 
    width: 6px; height: 6px;
    background: var(--blue-aqua);
    box-shadow: 0 0 20px var(--blue-aqua);
    animation-delay: 0s; animation-duration: 15s; 
}
.particle:nth-child(2) { 
    left: 20%; top: 80%; 
    width: 4px; height: 4px;
    background: var(--blue-electric);
    box-shadow: 0 0 15px var(--blue-electric);
    animation-delay: 2s; animation-duration: 18s; 
}
.particle:nth-child(3) { 
    left: 30%; top: 40%; 
    width: 8px; height: 8px;
    background: var(--blue-celeste);
    box-shadow: 0 0 25px var(--blue-celeste);
    animation-delay: 4s; animation-duration: 14s; 
}
.particle:nth-child(4) { 
    left: 40%; top: 60%; 
    width: 5px; height: 5px;
    background: var(--blue-argentina);
    box-shadow: 0 0 18px var(--blue-argentina);
    animation-delay: 1s; animation-duration: 16s; 
}
.particle:nth-child(5) { 
    left: 50%; top: 30%; 
    width: 7px; height: 7px;
    background: var(--blue-sky);
    box-shadow: 0 0 22px var(--blue-sky);
    animation-delay: 3s; animation-duration: 20s; 
}
.particle:nth-child(6) { 
    left: 60%; top: 70%; 
    width: 4px; height: 4px;
    background: var(--blue-aqua);
    box-shadow: 0 0 15px var(--blue-aqua);
    animation-delay: 5s; animation-duration: 13s; 
}
.particle:nth-child(7) { 
    left: 70%; top: 50%; 
    width: 6px; height: 6px;
    background: var(--blue-electric);
    box-shadow: 0 0 20px var(--blue-electric);
    animation-delay: 2s; animation-duration: 17s; 
}
.particle:nth-child(8) { 
    left: 80%; top: 25%; 
    width: 5px; height: 5px;
    background: var(--blue-celeste);
    box-shadow: 0 0 18px var(--blue-celeste);
    animation-delay: 4s; animation-duration: 15s; 
}
.particle:nth-child(9) { 
    left: 90%; top: 85%; 
    width: 8px; height: 8px;
    background: var(--blue-argentina);
    box-shadow: 0 0 25px var(--blue-argentina);
    animation-delay: 1s; animation-duration: 19s; 
}
.particle:nth-child(10) { 
    left: 15%; top: 55%; 
    width: 4px; height: 4px;
    background: var(--blue-sky);
    box-shadow: 0 0 15px var(--blue-sky);
    animation-delay: 3s; animation-duration: 11s; 
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0) translateX(0) scale(1); 
        opacity: 0.8; 
    }
    25% { 
        transform: translateY(-80px) translateX(30px) scale(1.3); 
        opacity: 1; 
    }
    50% { 
        transform: translateY(-40px) translateX(-20px) scale(0.9); 
        opacity: 0.6; 
    }
    75% { 
        transform: translateY(-120px) translateX(15px) scale(1.1); 
        opacity: 0.9; 
    }
}

/* Glowing Orbs - Blue Spectrum */
.hero-orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbPulse 10s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--blue-azure), var(--blue-sapphire));
    top: -150px;
    right: -100px;
    opacity: 0.4;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--blue-aqua), var(--blue-cerulean));
    bottom: -100px;
    left: -100px;
    opacity: 0.3;
    animation-delay: 3s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--blue-electric), var(--blue-argentina));
    top: 40%;
    left: 30%;
    opacity: 0.25;
    animation-delay: 6s;
}

@keyframes orbPulse {
    0%, 100% { 
        transform: scale(1) rotate(0deg); 
        opacity: 0.3; 
    }
    50% { 
        transform: scale(1.2) rotate(10deg); 
        opacity: 0.5; 
    }
}

/* Wave Lines */
.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    overflow: hidden;
    pointer-events: none;
}

.wave {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.05' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 50% 100%;
    animation: wave 20s linear infinite;
}

.wave:nth-child(2) {
    bottom: 10px;
    opacity: 0.5;
    animation-duration: 15s;
    animation-direction: reverse;
}

@keyframes wave {
    from { transform: translateX(0); }
    to { transform: translateX(50%); }
}

/* Slider Content Container */
.hero-slider-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 100px;
}

/* Slides Container */
.slides-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    height: 100%;
    display: flex;
    align-items: center;
}

/* Individual Slide */
.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Slide Text Content */
.slide-content {
    flex: 1;
    max-width: 600px;
}

.slide-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(112, 184, 255, 0.2), rgba(10, 255, 255, 0.1));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(112, 184, 255, 0.3);
    border-radius: 50px;
    color: var(--blue-celeste);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.slide-badge svg {
    width: 18px;
    height: 18px;
    color: var(--blue-aqua);
    animation: sparkle 3s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); filter: brightness(1); }
    50% { transform: scale(1.2) rotate(180deg); filter: brightness(1.5); }
}

.slide-title {
    font-size: clamp(42px, 6vw, 76px);
    font-weight: 700;
    color: #fff;
    line-height: 1.08;
    margin-bottom: 28px;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.slide-title .highlight {
    background: linear-gradient(135deg, 
        var(--blue-aqua) 0%, 
        var(--blue-electric) 25%,
        var(--blue-argentina) 50%, 
        var(--blue-celeste) 75%,
        var(--blue-sky) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.slide-description {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 44px;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

/* CTA Buttons - Blue Theme */
.slide-actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: linear-gradient(135deg, var(--blue-azure), var(--blue-sapphire));
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 127, 255, 0.3);
}

.btn-hero-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--blue-electric), var(--blue-aqua));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-hero-primary:hover::before {
    opacity: 1;
}

.btn-hero-primary span,
.btn-hero-primary svg {
    position: relative;
    z-index: 1;
}

.btn-hero-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 127, 255, 0.5);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: 1px solid rgba(112, 184, 255, 0.3);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.4s ease;
    text-decoration: none;
}

.btn-hero-secondary:hover {
    background: rgba(112, 184, 255, 0.15);
    border-color: var(--blue-argentina);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(112, 184, 255, 0.2);
}

/* Slide Image/Visual */
.slide-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: fadeInRight 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.visual-container {
    position: relative;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1;
}

/* 3D Glasses Display */
.glasses-showcase {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glasses-image {
    width: 85%;
    height: auto;
    border-radius: 20px;
    filter: drop-shadow(0 30px 60px rgba(0, 21, 255, 0.4));
    animation: floatGlasses 6s ease-in-out infinite;
}

@keyframes floatGlasses {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-25px) rotate(2deg); }
}

/* Rotating Ring - Blue Glow */
.rotating-ring {
    position: absolute;
    inset: -30px;
    border: 2px solid transparent;
    border-top-color: var(--blue-aqua);
    border-right-color: var(--blue-electric);
    border-radius: 50%;
    animation: rotateRing 15s linear infinite;
    filter: drop-shadow(0 0 10px var(--blue-aqua));
}

.rotating-ring::before {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1px dashed rgba(112, 184, 255, 0.3);
    border-radius: 50%;
    animation: rotateRing 20s linear infinite reverse;
}

@keyframes rotateRing {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Feature Pills - Blue Glass */
.feature-pills {
    position: absolute;
    inset: 0;
}

.feature-pill {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: linear-gradient(135deg, rgba(0, 127, 255, 0.15), rgba(10, 255, 255, 0.1));
    backdrop-filter: blur(12px);
    border: 1px solid rgba(112, 184, 255, 0.25);
    border-radius: 50px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    animation: pillFloat 5s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 127, 255, 0.15);
}

.feature-pill svg {
    width: 18px;
    height: 18px;
    color: var(--blue-aqua);
}

.feature-pill:nth-child(1) { top: 5%; left: -5%; animation-delay: 0s; }
.feature-pill:nth-child(2) { top: 25%; right: -10%; animation-delay: 1.2s; }
.feature-pill:nth-child(3) { bottom: 25%; left: -8%; animation-delay: 2.4s; }
.feature-pill:nth-child(4) { bottom: 5%; right: -5%; animation-delay: 0.6s; }

@keyframes pillFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-12px) scale(1.02); }
}

/* Scroll Indicator - Blue Theme */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--blue-argentina);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 500;
    animation: bounce 2.5s ease-in-out infinite;
    cursor: pointer;
    z-index: 20;
    transition: color 0.3s ease;
}

.scroll-indicator:hover {
    color: var(--blue-aqua);
}

.scroll-indicator .mouse {
    width: 26px;
    height: 44px;
    border: 2px solid var(--blue-argentina);
    border-radius: 14px;
    position: relative;
    transition: border-color 0.3s ease;
}

.scroll-indicator:hover .mouse {
    border-color: var(--blue-aqua);
}

.scroll-indicator .mouse::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: var(--blue-aqua);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(12px); }
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(60px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-slide {
        flex-direction: column;
        text-align: center;
        padding: 20px;
        gap: 40px;
    }
    
    .slide-content {
        max-width: 100%;
    }
    
    .slide-actions {
        justify-content: center;
    }
    
    .slide-visual {
        max-width: 380px;
    }
    
    .feature-pills {
        display: none;
    }
    
    .hero-slider-content {
        padding: 100px 20px 80px;
    }
}

@media (max-width: 576px) {
    .hero-slider {
        min-height: 100vh;
    }
    
    .slide-title {
        font-size: 34px;
    }
    
    .slide-description {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        padding: 14px 28px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
    
    .slide-visual {
        max-width: 300px;
    }
    
    .slide-badge {
        font-size: 12px;
        padding: 8px 16px;
    }
}

/* Smooth Scroll Transition to Products */
.promo-section {
    padding-top: 100px;
}