:root {
    --fontcolor-main: #464646;
    --bodycolor: #cccccc;
    --boxcolor: #ffffff;
    --boxcolor-2: #e2e2e2;
    --highlight: #58ff3d;
    --highlight2: #218613;
    --buttoncolor: #31c91d;
    --buttoncolor-darker: #218613;
    --accent-yellow: #ffd073;
    --accent-purple: #7109aa;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bodycolor);
    color: var(--fontcolor-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    gap: 28px;
}

.nav a {
    font-weight: 600;
    font-size: 15px;
    color: var(--fontcolor-main);
    transition: var(--transition);
    position: relative;
}

.nav a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--buttoncolor);
    transition: var(--transition);
}

.nav a:hover {
    color: var(--buttoncolor-darker);
}

.nav a:hover::after {
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--buttoncolor) 0%, var(--highlight2) 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(49, 201, 29, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(49, 201, 29, 0.45);
}

.btn-secondary {
    background: var(--boxcolor);
    color: var(--fontcolor-main);
    border: 2px solid var(--buttoncolor);
}

.btn-secondary:hover {
    background: var(--buttoncolor);
    color: #fff;
}

.btn-large {
    padding: 16px 32px;
    font-size: 17px;
}

.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--bodycolor) 0%, var(--boxcolor-2) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 160%;
    background: radial-gradient(circle, rgba(88, 255, 61, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.badge {
    display: inline-block;
    background: var(--fontcolor-main);
    color: #fff;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--fontcolor-main);
    margin-bottom: 24px;
}

.hero p {
    font-size: 19px;
    color: var(--fontcolor-main);
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stats div {
    display: flex;
    flex-direction: column;
}

.hero-stats strong {
    font-size: 28px;
    font-weight: 800;
    color: var(--buttoncolor-darker);
}

.hero-stats span {
    font-size: 14px;
    color: var(--fontcolor-main);
    opacity: 0.8;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--fontcolor-main);
    border-radius: 40px;
    padding: 14px;
    box-shadow: var(--shadow);
    transform: rotate(6deg);
    animation: float 6s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--boxcolor);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-header {
    background: var(--buttoncolor);
    color: #fff;
    padding: 16px;
    font-weight: 700;
    text-align: center;
}

.phone-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
    flex: 1;
}

.phone-card {
    background: linear-gradient(135deg, var(--boxcolor-2) 0%, var(--bodycolor) 100%);
    border-radius: var(--radius-sm);
}

.phone-cta {
    background: var(--highlight);
    color: var(--fontcolor-main);
    text-align: center;
    padding: 18px;
    font-weight: 800;
}

@keyframes float {
    0%, 100% { transform: rotate(6deg) translateY(0); }
    50% { transform: rotate(6deg) translateY(-16px); }
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--fontcolor-main);
}

.section-header p {
    font-size: 17px;
    opacity: 0.85;
}

.models {
    padding: 100px 0;
}

.model-category {
    margin-bottom: 70px;
}

.model-category h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-left: 16px;
    border-left: 4px solid var(--buttoncolor);
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.model-card {
    background: var(--boxcolor);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.model-media {
    aspect-ratio: 9 / 16;
    background: #1a1a1a;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.model-card:hover .model-media img {
    transform: scale(1.03);
}

.model-info {
    padding: 20px;
}

.model-status {
    display: inline-block;
    background: var(--buttoncolor);
    color: #fff;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 800;
    margin-bottom: 10px;
}

.model-info h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.model-info p {
    font-size: 14px;
    opacity: 0.8;
}

.features {
    padding: 100px 0;
    background: var(--boxcolor);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--bodycolor);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: var(--buttoncolor);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--highlight) 0%, var(--buttoncolor) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 15px;
    opacity: 0.85;
}

.gallery {
    padding: 100px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.gallery-item {
    background: var(--boxcolor);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-6px);
}

.gallery-item img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.gallery-full {
    grid-column: 1 / -1;
}

.gallery-caption {
    padding: 24px;
}

.gallery-caption h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.gallery-caption p {
    font-size: 15px;
    opacity: 0.85;
}

.pricing {
    padding: 100px 0;
    background: var(--boxcolor);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
}

.pricing-card {
    background: var(--bodycolor);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.pricing-card:hover {
    border-color: var(--buttoncolor);
    transform: translateY(-6px);
}

.pricing-card.popular {
    background: var(--fontcolor-main);
    color: #fff;
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.pricing-card.popular:hover {
    transform: scale(1.07) translateY(-6px);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--highlight);
    color: var(--fontcolor-main);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

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

.price {
    font-size: 42px;
    font-weight: 800;
    color: var(--buttoncolor-darker);
    margin-bottom: 4px;
}

.pricing-card.popular .price {
    color: var(--highlight);
}

.price-note {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 24px;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 28px;
    text-align: left;
}

.pricing-card ul li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 15px;
}

.pricing-card.popular ul li {
    border-bottom-color: rgba(255, 255, 255, 0.15);
}

.pricing-card ul li::before {
    content: "✓";
    color: var(--buttoncolor);
    font-weight: 800;
    margin-right: 10px;
}

.pricing-card.popular ul li::before {
    color: var(--highlight);
}

.faq {
    padding: 100px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--boxcolor);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.faq-question {
    width: 100%;
    padding: 22px 28px;
    background: none;
    border: none;
    text-align: left;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--fontcolor-main);
}

.faq-question::after {
    content: "+";
    font-size: 24px;
    font-weight: 400;
    color: var(--buttoncolor);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 28px 22px;
}

.faq-answer p {
    font-size: 15px;
    opacity: 0.85;
}

.footer {
    background: var(--fontcolor-main);
    color: #fff;
    padding: 60px 0 30px;
}

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

.footer-brand img {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 15px;
    opacity: 0.8;
    max-width: 320px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--highlight);
}

.footer-links a {
    display: block;
    font-size: 15px;
    opacity: 0.8;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--highlight);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 8px;
}

.footer-bottom .disclaimer {
    font-size: 12px;
    opacity: 0.6;
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card.popular:hover {
        transform: translateY(-6px);
    }

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

@media (max-width: 768px) {
    .header-inner {
        height: 70px;
    }

    .nav {
        display: none;
    }

    .hero {
        padding: 110px 0 70px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-brand img {
        margin: 0 auto 16px;
    }
}

@media (max-width: 480px) {
    .model-grid {
        grid-template-columns: 1fr;
    }

    .btn-large {
        width: 100%;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }
}