/* ========================================
   Variables & Theme
   ======================================== */
:root {
    /* Colors */
    --color-primary: #FF1744;
    /* Vibrant Red */
    --color-primary-dark: #D50000;
    --color-secondary: #2979FF;
    /* Electric Blue */
    --color-dark-1: #0a0a0a;
    /* Deepest Black */
    --color-dark-2: #121212;
    --color-dark-3: #1e1e1e;
    --color-white: #ffffff;
    --color-gray-1: #f5f5f5;
    --color-gray-2: #eeeeee;
    --color-gray-3: #e0e0e0;
    --color-gray-4: #bdbdbd;
    --color-gray-5: #9e9e9e;

    /* Accents */
    --color-accent-purple: #D500F9;
    --color-accent-cyan: #00E5FF;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-display: 'Inter', sans-serif;

    /* Spacing - Enhanced for premium feel */
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 5rem;
    --space-4xl: 8rem;

    /* Border Radius - Softer, more premium */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows - Enhanced depth */
    --shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow-red: 0 0 40px rgba(255, 23, 68, 0.5);
    --shadow-glow-blue: 0 0 40px rgba(41, 121, 255, 0.5);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-negative: -1;
    --z-base: 1;
    --z-fixed: 100;
    --z-modal: 1000;
    --z-tooltip: 2000;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-dark-1);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated mesh background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 23, 68, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 90%, rgba(224, 64, 251, 0.06) 0%, transparent 50%);
    animation: meshMove 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes meshMove {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2.25rem, 6vw, 4rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
}

h4 {
    font-size: clamp(1.375rem, 3vw, 1.875rem);
    font-weight: 600;
}

p {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    line-height: 1.75;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-4) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-red {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-purple) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ========================================
   Glass Morphism
   ======================================== */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1.125rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.btn::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 var(--transition-slow), height var(--transition-slow);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-glow-red);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 0 50px rgba(255, 23, 68, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--color-white);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 0 50px rgba(37, 211, 102, 0.6);
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: var(--space-md) 0;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-lg);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent-cyan) 100%);
    z-index: var(--z-tooltip);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8rem 0 5rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.8) 40%, #000000 100%);
}

/* Particle overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(255, 23, 68, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(0, 229, 255, 0.1) 0%, transparent 40%);
    animation: particleFloat 15s ease-in-out infinite;
    z-index: 1;
}

@keyframes particleFloat {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(20px, -30px) rotate(5deg);
    }

    66% {
        transform: translate(-20px, 20px) rotate(-5deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1200px;
    padding: 0 var(--space-xl);
}

.hero h1 {
    margin-bottom: var(--space-xl);
    animation: fadeInUp 1s ease-out;
    line-height: 1.1;
}

.hero p {
    font-size: 1.375rem;
    color: var(--color-gray-4);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 1s ease-out 0.2s backwards;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.5);
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

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

/* ========================================
   Product Cards
   ======================================== */
.product-section {
    padding: var(--space-4xl) 0;
    position: relative;
    z-index: var(--z-base);
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-4);
    line-height: 1.8;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}

.product-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-md);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 23, 68, 0.1) 0%, rgba(0, 229, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.product-card:hover::before {
    opacity: 1;
}

.product-image-container {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-dark-3);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: none;
}

.product-image.active {
    display: block;
}

.product-card:hover .product-image {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    z-index: 10;
}

.carousel-dots {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all var(--transition-base);
}

.carousel-dot:hover {
    transform: scale(1.2);
}

.carousel-dot.active {
    width: 24px;
    border-radius: var(--radius-full);
    background: var(--color-white);
}

.product-info {
    padding: var(--space-xl) var(--space-2xl) var(--space-2xl);
}

.product-title {
    font-size: 1.875rem;
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.product-description {
    color: var(--color-gray-4);
    margin-bottom: var(--space-xl);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.product-price {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-4) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

/* ========================================
   Features Grid
   ======================================== */
.features-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-dark-1) 0%, var(--color-dark-2) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.feature-card {
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 23, 68, 0.4);
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-purple) 100%);
    color: var(--color-white);
}

.feature-icon i {
    font-size: 1.5rem;
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery-section {
    padding: var(--space-4xl) 0;
    position: relative;
    z-index: var(--z-base);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    aspect-ratio: 1 / 1;
    background: var(--color-dark-3);
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ========================================
   Footer Section
   ======================================== */
.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    background: linear-gradient(180deg, var(--color-dark-2) 0%, var(--color-dark-1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: var(--z-base);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--space-md);
}

.footer-brand .logo-wrapper {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.footer-brand .logo {
    height: 3rem;
    width: auto;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--color-white);
    font-weight: 600;
}

.footer-section p {
    color: var(--color-gray-4);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.footer-section p:last-child {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-4);
    text-decoration: none;
    transition: all var(--transition-base);
    padding: 0.5rem 0;
    font-size: 1rem;
}

.footer-link i {
    color: var(--color-primary);
    width: 1.25rem;
    text-align: center;
    transition: all var(--transition-base);
}

.footer-link:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

.footer-link:hover i {
    color: var(--color-accent-cyan);
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-gray-4);
    font-size: 0.875rem;
    margin-top: var(--space-2xl);
}

    /* ========================================
   Responsive Design
   ======================================== */
    @media (max-width: 768px) {
        :root {
            --space-4xl: 3rem;
            --space-3xl: 2.5rem;
        }

        .hero-cta {
            flex-direction: column;
        }

        .btn {
            width: 100%;
        }

        .product-grid {
            grid-template-columns: 1fr;
        }

        .features-grid {
            grid-template-columns: 1fr;
        }

        .gallery-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .footer-content {
            grid-template-columns: 1fr;
            gap: var(--space-2xl);
        }

        .footer {
            padding: var(--space-3xl) 0 var(--space-xl);
        }
    }

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

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

    /* ========================================
   Enhanced Original Logo Styles
   ======================================== */
    .logo-wrapper {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-md);
        box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
        transition: all var(--transition-base);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }

    .logo-link:hover .logo-wrapper {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 23, 68, 0.3);
        box-shadow: 0 0 25px rgba(255, 23, 68, 0.3);
        transform: scale(1.05);
    }

    .logo {
        height: 5rem;
        /* Premium large size */
        width: auto;
        border-radius: var(--radius-sm);
        transition: all var(--transition-base);
    }

    .header.scrolled .logo {
        height: 3.75rem;
        /* Maintains prominence on scroll */
    }

    .logo-link {
        display: flex;
        align-items: center;
        gap: 1rem;
        text-decoration: none;
    }

    .logo-text {
        font-family: var(--font-display);
        font-size: 2rem;
        font-weight: 900;
        color: var(--color-white);
        letter-spacing: 0.05em;
        text-transform: uppercase;
        transition: color var(--transition-base);
    }

    .logo-link:hover .logo-text {
        color: var(--color-primary);
    }