/* ===================================
   IMPULSE PRODUCTS - ULTRA MODERN DARK THEME
   Color Theme: Blue Accent (Modified from Red)
   =================================== */

/* CSS VARIABLES */
:root {
    /* Backgrounds */
    --bg-darkest: #0F0F0F;
    --bg-dark: #121212;
    --bg-medium: #1E1E1E;
    --bg-light: #2A2A2A;
    --bg-lighter: #3A3A3A;

    /* Primary (Blue Accent - Modified from Red) */
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-dark: #1E40AF;
    --primary-glow: rgba(37, 99, 235, 0.4);
    --primary-subtle: rgba(37, 99, 235, 0.1);

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #E5E7EB;
    --text-muted: #9CA3AF;
    --text-dark: #6B7280;

    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Spacing */
    --section-padding: 5rem;
    --section-padding-mobile: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(37, 99, 235, 0.4);

    /* Glassmorphism */
    --glass-bg: rgba(30, 30, 30, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-darkest);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* CONTAINER */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 76px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    text-decoration: none;
}

.brand-highlight {
    color: var(--primary);
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.toggler-icon {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

.navbar-menu {
    display: flex;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
    text-decoration: none;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--primary);
}

/* HERO SECTION */
.hero {
    margin-top: 76px;
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-darkest) 0%, var(--bg-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at center, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.3;
}

/* Hero with background image */
.hero-with-image {
    background-image: url('/images/hero/Hruza-Loneliness-8k.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
}

.hero-with-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 0;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-subtle);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn:focus {
    outline: 3px solid var(--primary-subtle);
    outline-offset: 2px;
}

.btn:active {
    transform: translateY(0);
}

/* STATS SECTION */
.stats-section {
    padding: 3rem 0;
    background: var(--bg-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* SECTIONS */
.section {
    padding: var(--section-padding) 0;
}

.section-alt {
    background: var(--bg-dark);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* PRODUCT GRID */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* PRODUCT CARD */
.product-card {
    background: var(--bg-medium);
    border: 1px solid var(--bg-lighter);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow-lg);
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--bg-light);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
}

.placeholder-icon {
    width: 80px;
    height: 80px;
}

.product-card:hover .product-placeholder {
    transform: scale(1.1);
    transition: transform var(--transition-slow);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-new {
    background: var(--success);
    color: var(--text-primary);
}

.badge-premium {
    background: var(--primary);
    color: var(--text-primary);
}

.product-info {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.product-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-specs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.spec-badge {
    padding: 0.25rem 0.75rem;
    background: var(--primary-subtle);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* ABOUT SECTION */
.about-grid {
    max-width: 900px;
    margin: 0 auto;
}

.about-content {
    text-align: left;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-medium);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-lighter);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 900;
}

.feature-text h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* CONTACT SECTION */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-medium);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-lighter);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--primary);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-card p {
    margin-bottom: 0.5rem;
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* FOOTER */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--bg-lighter);
    padding: 3rem 0 1.5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.footer-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--bg-lighter);
    color: var(--text-dark);
    font-size: 0.875rem;
}

/* RESPONSIVE DESIGN */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .stats-grid {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar-toggler {
        display: flex;
    }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--glass-border);
        padding: 1rem 0;
    }

    .navbar-menu.active {
        display: block;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 1rem 1.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section {
        padding: var(--section-padding-mobile) 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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