/* ========================================
   QQURL.EU.ORG - Glass Morphism Design
   ======================================== */

/* CSS Variables */
:root {
    --bg-primary: #070B14;
    --bg-secondary: #6B2B2B;
    --accent: #FF6A6A;
    --text-primary: #F4F6FF;
    --text-secondary: #A7B0C8;
    --glass-bg: rgba(244, 246, 255, 0.06);
    --glass-border: rgba(244, 246, 255, 0.12);
    --glass-bg-hover: rgba(244, 246, 255, 0.09);
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Noise Overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.04;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* WebGL Background Canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 4vw;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(7, 11, 20, 0.8), transparent);
    backdrop-filter: blur(10px);
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.nav-cta {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.6rem 1.25rem;
    background: var(--accent);
    border-radius: 999px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(255, 106, 106, 0.4);
}

/* Glass Card Base */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(18px) saturate(115%);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-6px);
    border-color: rgba(244, 246, 255, 0.2);
    background: var(--glass-bg-hover);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 999px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 0 25px rgba(255, 106, 106, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(244, 246, 255, 0.08);
    border-color: rgba(244, 246, 255, 0.25);
}

/* Sections Base */
.section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 4vw;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Section 1: Hero */
.section-hero {
    position: relative;
}

.hero-card {
    width: min(86vw, 1100px);
    padding: 4rem 5vw;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 480px;
}

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

/* Floating Pills */
.floating-pill {
    position: absolute;
    padding: 0.6rem 1.25rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
}

.pill-1 {
    top: 15%;
    left: 8%;
}

.pill-2 {
    top: 20%;
    right: 10%;
}

.pill-3 {
    bottom: 18%;
    right: 12%;
}

/* Section 2: Products */
.section-products {
    padding-top: 8rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
}

.product-card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.product-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

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

.product-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.product-desc {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.product-link:hover {
    opacity: 0.8;
}

/* Section 3: Featured */
.section-featured {
    padding-top: 8rem;
}

.featured-card {
    width: min(88vw, 1200px);
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.featured-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.featured-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
}

.featured-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.featured-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0.5rem 0;
}

.featured-list li {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.featured-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

.featured-image {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border-radius: 18px;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7) contrast(1.1);
}

/* Section 4: Use Cases */
.section-usecases {
    padding-top: 8rem;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
}

.usecase-card {
    overflow: hidden;
    padding: 0;
}

.usecase-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.usecase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7) contrast(1.1);
    transition: transform 0.5s ease;
}

.usecase-card:hover .usecase-image img {
    transform: scale(1.05);
}

.usecase-content {
    padding: 1.5rem;
}

.usecase-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.usecase-desc {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Section 5: Specs */
.section-specs {
    padding-top: 8rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    max-width: 1000px;
}

.spec-card {
    padding: 2.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.spec-metric {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.spec-unit {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.spec-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.spec-desc {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Section 6: Testimonial */
.section-testimonial {
    padding-top: 8rem;
}

.testimonial-card {
    width: min(86vw, 900px);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    filter: saturate(0.7) contrast(1.1);
    border: 2px solid var(--glass-border);
}

.testimonial-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-role {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.testimonial-quote {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
    font-style: italic;
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
}

.testimonial-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    align-self: flex-start;
}

.testimonial-link:hover {
    opacity: 0.8;
}

/* Section 7: Pricing */
.section-pricing {
    padding-top: 8rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    max-width: 1100px;
}

.pricing-card {
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.pricing-highlight {
    border-color: var(--accent);
    background: rgba(255, 106, 106, 0.08);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.4rem 1rem;
    background: var(--accent);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.pricing-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Section 8: Contact */
.section-contact {
    padding-top: 8rem;
    padding-bottom: 2rem;
    min-height: auto;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    width: 100%;
    max-width: 1100px;
    margin-bottom: 4rem;
}

.contact-left {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.contact-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 400px;
}

.contact-email {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.contact-email:hover {
    opacity: 0.8;
}

.contact-card {
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    background: rgba(244, 246, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(244, 246, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(167, 176, 200, 0.5);
}

/* Footer */
.footer {
    width: 100%;
    max-width: 1100px;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    backdrop-filter: blur(18px);
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    z-index: 1001;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .featured-card {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        min-height: 250px;
    }
    
    .usecases-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem 4vw;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-card {
        padding: 2.5rem 1.5rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .floating-pill {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}