:root {
    --black: #040807;
    --black2: #09080e;
    --black3: #0b0b0b;
    --red: #de1e40;
    --red-hover: #b01833;
    --white: #ffffff;
    --gray: #b4b4b4;
    --gray-dark: #666666;
    --shadow: 0 2px 30px rgba(0,0,0,0.5);
    --radius: 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: var(--black);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    color: white;
}

.logo-text {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.logo-text span {
    font-weight: 300;
    color: var(--gray);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--red);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* Hero - shows PDF cover image */
.hero {
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px 80px;
}

.hero img {
    width: 100%;
    max-width: 500px;
    display: block;
    border: 1px solid rgba(255,255,255,0.06);
}

/* Section base */
.section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.section-header p {
    font-size: 14px;
    color: var(--gray);
    max-width: 600px;
    line-height: 1.8;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    display: block;
    border: 1px solid rgba(255,255,255,0.06);
}

.about-image .since {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: var(--red);
    color: white;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.about-text h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--red);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 14px;
}

/* Welcome */
.welcome-section {
    background: var(--black2);
    padding: 80px 0;
}

.welcome-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.welcome-text h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.welcome-text p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 14px;
}

.welcome-signature {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.welcome-signature strong {
    display: block;
    font-size: 14px;
    color: var(--white);
}

.welcome-signature span {
    font-size: 12px;
    color: var(--gray);
}

/* Vision Mission */
.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.vm-card {
    padding: 32px;
    background: var(--black2);
    border: 1px solid rgba(255,255,255,0.04);
    border-top: 3px solid var(--red);
}

.vm-card .icon {
    font-size: 28px;
    margin-bottom: 16px;
}

.vm-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.vm-card p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.8;
}

/* Why Choose Us */
.choose-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.choose-card {
    padding: 28px 24px;
    background: var(--black2);
    border: 1px solid rgba(255,255,255,0.04);
    transition: border-color 0.3s;
}

.choose-card:hover {
    border-color: var(--red);
}

.choose-card .icon {
    font-size: 24px;
    margin-bottom: 14px;
}

.choose-card h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}

.choose-card p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.7;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-card {
    border: 1px solid rgba(255,255,255,0.06);
    background: var(--black2);
    transition: border-color 0.3s;
}

.product-card:hover {
    border-color: var(--red);
}

.product-image {
    height: 160px;
    background: var(--black3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    position: relative;
}

.product-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--red);
    color: white;
    padding: 3px 10px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
}

.product-body {
    padding: 20px;
}

.product-body h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 2px;
}

.product-body .model {
    font-size: 11px;
    color: var(--red);
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.product-body p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 10px;
}

.product-specs {
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.product-specs span {
    display: block;
    font-size: 12px;
    color: var(--gray);
    padding: 2px 0;
}

.product-specs span strong {
    color: var(--white);
}

/* Conversion */
.conversion-section {
    background: var(--black2);
    padding: 80px 0;
}

.conversion-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.conversion-text h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.conversion-text .label {
    font-size: 11px;
    font-weight: 600;
    color: var(--red);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.conversion-text p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary {
    background: var(--red);
    color: white;
}

.btn-primary:hover {
    background: var(--red-hover);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.15);
}

.btn-outline:hover {
    border-color: var(--red);
    color: var(--red);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    padding: 28px 24px;
    background: var(--black2);
    border: 1px solid rgba(255,255,255,0.04);
    border-left: 3px solid var(--red);
}

.service-card .icon {
    font-size: 24px;
    margin-bottom: 14px;
}

.service-card h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.service-card ul {
    list-style: none;
}

.service-card ul li {
    font-size: 13px;
    color: var(--gray);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.service-card ul li::before {
    content: '\2013';
    position: absolute;
    left: 0;
    color: var(--red);
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step {
    text-align: center;
    padding: 28px 16px;
    background: var(--black2);
    border: 1px solid rgba(255,255,255,0.04);
}

.step .num {
    width: 40px;
    height: 40px;
    background: var(--red);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    margin: 0 auto 12px;
}

.step h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
}

.step p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.testimonial-card {
    padding: 28px;
    background: var(--black2);
    border: 1px solid rgba(255,255,255,0.04);
}

.testimonial-card .stars {
    color: var(--red);
    font-size: 16px;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 16px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.testimonial-author .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.testimonial-author strong {
    display: block;
    font-size: 13px;
}

.testimonial-author span {
    font-size: 11px;
    color: var(--gray);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-details {
    display: grid;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 14px;
}

.contact-item .icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(222,30,64,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.contact-item .text strong {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.contact-item .text span {
    font-size: 13px;
    color: var(--gray);
    display: block;
    line-height: 1.5;
}

.contact-form {
    background: var(--black2);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 32px;
}

.contact-form h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--black);
    border: 1px solid rgba(255,255,255,0.08);
    color: white;
    font-size: 13px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--red);
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.form-group select option {
    background: var(--black);
}

/* Footer */
footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-col h5 {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.footer-col p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.7;
}

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

.footer-col ul li {
    margin-bottom: 6px;
}

.footer-col ul li a {
    color: var(--gray);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--red);
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.04);
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}

/* Mobile */
@media (max-width: 992px) {
    .about-grid,
    .welcome-grid,
    .conversion-grid,
    .contact-grid,
    .vm-grid {
        grid-template-columns: 1fr;
    }
    .choose-grid,
    .products-grid,
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }
    .steps {
        grid-template-columns: 1fr 1fr;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--black);
        flex-direction: column;
        padding: 16px 20px;
        gap: 12px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .nav-links.open {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
    .hero h1 {
        font-size: 32px;
    }
    .hero h1 strong {
        font-size: 38px;
    }
    .section-header h2 {
        font-size: 24px;
    }
    .choose-grid,
    .products-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    .steps {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}