/* --- Reset & Base --- */
:root {
    /* Color Palette - Tech/Dark Theme */
    --color-bg: #0b0c10;
    --color-bg-light: #1f2833;
    /* For cards/sections */
    --color-primary: #66fcf1;
    /* Neon Cyan */
    --color-primary-dark: #45a29e;
    --color-text: #c5c6c7;
    --color-text-heading: #ffffff;
    --color-border: #2d3b55;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* --- Utilities --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.section_header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section_title {
    font-size: 2.5rem;
    color: var(--color-text-heading);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.section_line {
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 0 auto var(--spacing-sm);
    border-radius: 2px;
}

.section_desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text);
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-medium);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 0 15px rgba(102, 252, 241, 0.4);
}

.btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline:hover {
    background-color: rgba(102, 252, 241, 0.1);
}

.btn-block {
    display: block;
    width: 100%;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(11, 12, 16, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text-heading);
}

.logo_icon {
    color: var(--color-primary);
}

.logo_sub {
    font-size: 0.9rem;
    color: var(--color-primary-dark);
    margin-left: 0.5rem;
    font-weight: 400;
}

.nav_list {
    display: flex;
    gap: 2rem;
}

.nav_link {
    font-size: 1rem;
    position: relative;
}

.nav_link:hover,
.nav_link.active {
    color: var(--color-primary);
}

.nav_link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-medium);
}

.nav_link:hover::after,
.nav_link.active::after {
    width: 100%;
}

/* Language Switcher */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.8rem;
    margin-left: 1.5rem;
    background-color: transparent;
    border: 1.5px solid var(--color-primary);
    border-radius: 4px;
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-medium);
}

.lang-switcher:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 252, 241, 0.3);
}

.mobile_menu_btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile_menu_btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text-heading);
    transition: var(--transition-fast);
}

/* --- Hero --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('hero-bg.png');
    /* Placeholder, we will set this properly via JS or assume it is handled */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(11, 12, 16, 0.8), rgba(11, 12, 16, 0.4));
    z-index: 1;
}

.hero_content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero_title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-heading);
    background: linear-gradient(to right, #fff, #a5b4fc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero_subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: #c5c6c7;
}

.hero_actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* --- About --- */
.about {
    background-color: var(--color-bg);
}

.about_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.about_card {
    background-color: var(--color-bg-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition-medium);
    text-align: center;
}

.about_card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.about_icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.about_card h3 {
    margin-bottom: 1rem;
    color: var(--color-text-heading);
}

/* --- Solutions --- */
.solutions {
    background-color: var(--color-bg);
}

.solution_category {
    margin-bottom: var(--spacing-lg);
}

.category_header {
    margin-bottom: 2rem;
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
}

.category_header h3 {
    font-size: 1.8rem;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.category_header p {
    color: #8c92a0;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.solutions_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.solution_card {
    background-color: var(--color-bg-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition-medium);
}

.solution_card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card_icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.solution_card h4 {
    color: var(--color-text-heading);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.solution_card p {
    font-size: 0.95rem;
    color: #a0a5b0;
    line-height: 1.6;
}

/* --- Agent Products --- */
.agent-products {
    background-color: #0f1216;
    /* Match original alternate section color */
    position: relative;
}

.agents_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.agent_card {
    background-color: var(--color-bg-light);
    padding: 2.5rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition-medium);
}

.agent_card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.agent_logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-text-heading);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.agent_card h4 {
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.agent_card p {
    font-size: 0.8rem;
    color: #8c92a0;
}

/* --- Utils Updates for new sections --- */
.mt-lg {
    margin-top: 4rem;
}

.bg-darker {
    background-color: #0f1216;
}

/* --- Contact --- */
.contact {
    background-color: var(--color-bg);
    position: relative;
    overflow: hidden;
}

/* Decorative background element */
.contact::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(102, 252, 241, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
}

.contact_wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact_list {
    margin-top: 2rem;
}

.contact_list li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact_form_container {
    background-color: var(--color-bg-light);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.form_group {
    margin-bottom: 1.5rem;
}

.form_group input,
.form_group textarea {
    width: 100%;
    padding: 1rem;
    background-color: #0b0c10;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: white;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form_group input:focus,
.form_group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* --- Footer --- */
.footer {
    background-color: #050608;
    padding: 3rem 0;
    border-top: 1px solid #1f2833;
}

.footer_content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer_logo .logo_text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer_logo p {
    font-size: 0.9rem;
    color: #8c92a0;
}

.footer_links {
    display: flex;
    gap: 2rem;
}

.footer_links a {
    color: #c5c6c7;
    font-size: 0.9rem;
}

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

.footer_copyright {
    font-size: 0.8rem;
    color: #45a29e;
}

/* --- Animations --- */
.animate-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .header_container {
        position: relative;
    }

    .mobile_menu_btn {
        display: flex;
    }

    .nav_list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-light);
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
        gap: 1rem;
    }

    .nav_list.open {
        display: flex;
    }

    .hero_title {
        font-size: 2.5rem;
    }

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

/* --- Product Detail Pages --- */
.page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--color-bg) 0%, #141820 100%);
    text-align: center;
    margin-top: 60px;
}

.page-title {
    font-size: 3rem;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.breadcrumb {
    font-size: 0.9rem;
    color: #8c92a0;
}

.breadcrumb a {
    color: var(--color-primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.product-details {
    background-color: var(--color-bg);
}

.product-detail-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 3rem;
    margin-bottom: 3rem;
}

.product-detail-header h2 {
    font-size: 2rem;
    color: var(--color-text-heading);
    margin-bottom: 1rem;
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
}

.product-intro {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 2rem;
    padding-left: 1.25rem;
}

.product-specs-list {
    margin-top: 1.5rem;
    list-style: none;
    padding-left: 1.25rem;
}

.product-specs-list li {
    margin-bottom: 0.5rem;
    color: #a0a5b0;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
}

.product-specs-list li strong {
    color: var(--color-primary);
    margin-right: 0.5rem;
    min-width: 120px;
    font-weight: 600;
}

.product-detail-image {
    width: 100%;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.product-detail-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 400px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
}

.product-detail-image img:hover {
    transform: scale(1.05);
}

@media (min-width: 768px) {
    .product-detail-card {
        display: flex;
        align-items: center;
        gap: 3rem;
        padding: 4rem;
    }

    .product-detail-image {
        flex: 1;
        margin-bottom: 0;
        order: 1;
    }

    .product-detail-header {
        flex: 1.2;
        order: 2;
    }

    /* Alternate layout for even cards */
    .product-detail-card:nth-child(even) .product-detail-image {
        order: 2;
    }

    .product-detail-card:nth-child(even) .product-detail-header {
        order: 1;
    }
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.spec-item {
    background-color: rgba(11, 12, 16, 0.5);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    transition: var(--transition-medium);
}

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

.spec-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.spec-item h4 {
    font-size: 1.1rem;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.spec-item p {
    font-size: 0.95rem;
    color: #a0a5b0;
    line-height: 1.6;
}

.product-cta {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(102, 252, 241, 0.05) 0%, rgba(69, 162, 158, 0.05) 100%);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    margin-top: 3rem;
}

.product-cta h3 {
    font-size: 1.8rem;
    color: var(--color-text-heading);
    margin-bottom: 1rem;
}

.product-cta p {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 2rem;
}

/* Responsive adjustments for product pages */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

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

    .product-detail-card {
        padding: 2rem 1.5rem;
    }
}