/* =========================================
   1. VARIABLES & RESET
   ========================================= */
:root {
    --color-bg: #0d0d0d;
    --color-surface: #1a1a1a;
    --color-surface-hover: #252525;
    --color-primary: #43ff85;
    /* Green */
    --color-primary-dim: #32cc68;
    --color-text: #ffffff;
    --color-text-muted: #cccccc;
    --color-border: #333333;

    --font-main: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;

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

    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;

    --shadow-glow: 0 0 20px rgba(67, 255, 133, 0.15);
    --transition-fast: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    /* Added overlay to attenuate green intensity */
    background-image: linear-gradient(rgba(13, 13, 13, 0.85), rgba(13, 13, 13, 0.85)), url('images/hero_bg.png');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-text);
    font-family: var(--font-main);
    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;
}

/* =========================================
   2. TYPOGRAPHY & UTILS
   ========================================= */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3rem;
    background: linear-gradient(90deg, #fff, #bbb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

h2.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

h2.aligned-left {
    left: 0;
    transform: none;
    text-align: left;
}

h2.aligned-left::after {
    left: 0;
    transform: none;
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dim);
    box-shadow: 0 0 15px rgba(67, 255, 133, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-text);
    color: var(--color-text);
}

.btn-outline:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
}

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

/* =========================================
   3. HEADER
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 13, 13, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
}

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

.logo {
    height: 80px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-list a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-lang {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.5rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.btn-lang:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* =========================================
   4. HERO
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* Background moved to body */
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1;
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* =========================================
   5. SERVICES
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-surface);
}

.category-header i {
    font-size: 2rem;
    color: var(--color-primary);
}

.category-header h3 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--color-text);
}

.service-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.card {
    background-color: rgba(26, 26, 26, 0.85);
    /* Semi-transparent */
    backdrop-filter: blur(5px);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.card h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.service-full-width {
    grid-column: 1 / -1;
}

.service-full-width .service-cards {
    grid-template-columns: repeat(4, 1fr);
}

/* =========================================
   6. ADVANTAGE
   ========================================= */
.advantage {
    background-color: rgba(26, 26, 26, 0.7);
    /* Semi-transparent */
    backdrop-filter: blur(5px);
}

.advantage-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.advantage-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.advantage-lead {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.advantage-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    text-align: left;
}

.advantage-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.advantage-list li i {
    color: var(--color-primary);
    font-size: 1.4rem;
}

/* =========================================
   7. SECTORS
   ========================================= */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-sm);
}

.sector-card {
    background-color: transparent;
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    text-align: center;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.sector-card:hover {
    background-color: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(5px);
    border-color: var(--color-primary);
}

.sector-card i {
    font-size: 2.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-fast);
}

.sector-card:hover i {
    color: var(--color-primary);
}

.sector-card h4 {
    font-size: 1rem;
    margin: 0;
    font-weight: 500;
}

/* =========================================
   8. ABOUT
   ========================================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.value-item i {
    color: var(--color-primary);
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image {
    max-width: 100%;
    /* Blend edges into background */
    -webkit-mask-image: radial-gradient(circle, black 60%, transparent 100%);
    mask-image: radial-gradient(circle, black 60%, transparent 100%);
    /* Optional: slight lift without hard shadow */
    filter: drop-shadow(0 0 10px rgba(67, 255, 133, 0.2));
}

/* Removed tech-graphic pulse animation */

/* 
   Removed broken animation block 
*/

/* =========================================
   9. CONTACT
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    background-color: rgba(26, 26, 26, 0.85);
    /* Semi-transparent */
    backdrop-filter: blur(5px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: var(--spacing-md);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 4px;
}

.info-item a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.contact-form .btn {
    grid-column: span 2;
    width: 50%;
    justify-self: center;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(13, 13, 13, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    font-family: var(--font-main);
}

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

/* =========================================
   10. FOOTER
   ========================================= */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

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

.footer-logo {
    height: 60px;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-muted);
}

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

/* =========================================
   11. MOBILE MENU
   ========================================= */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-surface);
    z-index: 2000;
    padding: var(--spacing-md);
    transition: right 0.3s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.logo-mobile {
    height: 60px;
}

.close-menu-btn {
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-list li {
    margin-bottom: var(--spacing-md);
}

.mobile-nav-list a {
    font-size: 1.2rem;
    font-weight: 500;
}

/* =========================================
   12. RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

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

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

    .service-cards {
        grid-template-columns: 1fr;
    }

    .service-full-width .service-cards {
        grid-template-columns: 1fr;
    }

    .advantage-list {
        grid-template-columns: 1fr;
    }

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

    .about-visual {
        order: -1;
        margin-bottom: var(--spacing-md);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2.section-title {
        font-size: 2rem;
        width: 100%;
    }
}