/* ========================================
   TECHVISION ELECTRONICS - FUTURISTIC THEME
   Modern Cyberpunk Aesthetic for Electronics
   ======================================== */

:root {
    --primary-cyan: #00e5ff;
    --primary-magenta: #ff00ff;
    --dark-bg: #0a0a1e;
    --darker-bg: #050510;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --gradient-primary: linear-gradient(135deg, var(--primary-cyan), var(--primary-magenta));
    --gradient-dark: linear-gradient(135deg, #1a1a3e, #0a0a1e);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: var(--primary-cyan);
    transition: all 0.3s ease;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========== HEADER & NAVIGATION ========== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 30, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.site-logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    background: var(--glass-bg);
    color: var(--primary-cyan);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-cyan);
    font-weight: 600;
    font-size: 1.1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========== SECTIONS ========== */
section {
    padding: 100px 5%;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../img/img_65746859.jpg') center/cover no-repeat;
    opacity: 0.3;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(255, 0, 255, 0.1));
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-lead {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-benefits {
    list-style: none;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-benefits li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
}

.hero-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-cyan);
    font-weight: bold;
    font-size: 1.2rem;
    pointer-events: none;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 229, 255, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary-cyan);
    color: var(--darker-bg);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

/* ========== GLASS MORPHISM CARDS ========== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-cyan);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.3);
}

.glass-card:hover::before {
    transform: scaleX(1);
}

/* ========== GRID LAYOUTS ========== */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* ========== SERVICES SECTION ========== */
.services {
    background: var(--darker-bg);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 229, 255, 0.05), transparent),
                radial-gradient(circle at 80% 50%, rgba(255, 0, 255, 0.05), transparent);
    pointer-events: none;
}

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

.service-card {
    text-align: center;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* ========== ABOUT SECTION ========== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--glass-bg);
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== TEAM SECTION ========== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
}

.team-photo {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 20px;
    margin-bottom: 1rem;
    border: 3px solid var(--glass-border);
    transition: all 0.3s ease;
}

.team-member:hover .team-photo {
    border-color: var(--primary-cyan);
    box-shadow: 0 10px 40px rgba(0, 229, 255, 0.4);
}

.team-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary-cyan);
    font-size: 0.9rem;
}

/* ========== TESTIMONIALS ========== */
.testimonials {
    background: var(--darker-bg);
}

.testimonial-card {
    position: relative;
    padding: 2.5rem;
}

.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

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

.testimonial-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--primary-cyan);
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-company {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========== BLOG SECTION ========== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.blog-card {
    overflow: hidden;
    border-radius: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 229, 255, 0.3);
}

.blog-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    color: var(--primary-cyan);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* ========== CONTACT SECTION ========== */
.contact {
    background: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--glass-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info-list {
    list-style: none;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-text h4 {
    margin-bottom: 0.5rem;
}

/* ========== FOOTER ========== */
footer {
    background: var(--darker-bg);
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--glass-border);
}

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

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

/* ========== COOKIE BANNER ========== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 30, 0.98);
    backdrop-filter: blur(10px);
    padding: 1.5rem 5%;
    border-top: 1px solid var(--glass-border);
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-text {
    flex: 1;
    color: var(--text-secondary);
}

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

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

/* ========== SKIP LINK (ACCESSIBILITY) ========== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-cyan);
    color: var(--darker-bg);
    padding: 1rem 2rem;
    z-index: 10000;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 968px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(10, 10, 30, 0.98);
        width: 100%;
        padding: 2rem 5%;
        transition: left 0.3s ease;
        align-items: flex-start;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-phone {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-lead {
        font-size: 1.2rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .btn-group {
        flex-direction: column;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 640px) {
    section {
        padding: 60px 5%;
    }

    .grid-3,
    .grid-4,
    .blog-grid {
        grid-template-columns: 1fr;
    }

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

    h1 {
        font-size: 2rem;
    }

    .hero {
        min-height: 80vh;
    }
}