:root {
    --bg-base: #0b1120;
    --bg-surface: #111c33;
    --bg-card: #182442;
    --bg-card-hover: #1f3056;
    --border-color: #24355a;
    --border-light: #334875;
    
    --primary: #0284c7;
    --primary-light: #38bdf8;
    --primary-dark: #0369a1;
    --primary-glow: rgba(56, 189, 248, 0.25);
    
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-bright: #ffffff;
    
    --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', var(--font-main);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 6px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.35);
    
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 70px;
}

@media (min-width: 769px) {
    body { padding-bottom: 0; }
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #ffffff;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Top Bar */
.top-bar {
    background: #070b14;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    padding: 8px 0;
    color: var(--text-muted);
}

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

.top-bar-info {
    display: flex;
    gap: 20px;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-phone {
    font-weight: 700;
    color: var(--primary-light);
}

.top-social {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.06);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    color: var(--text-main);
    font-size: 0.78rem;
    font-weight: 600;
}

.top-social:hover {
    background: #fe2c55;
    color: #ffffff;
}

.lang-switch {
    display: flex;
    gap: 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 2px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn.active, .lang-btn:hover {
    background: var(--primary);
    color: #ffffff;
}

/* Site Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 17, 32, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 82px;
}

.brand-logo-link {
    display: flex;
    align-items: center;
}

.site-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 26px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    padding: 6px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}

.hamburger {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0369a1, #0284c7);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.6);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary-light);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-large {
    padding: 14px 30px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 70px 0 80px;
    overflow: hidden;
    background: radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.15) 0%, transparent 60%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 48px;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(2, 132, 199, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.9rem;
    line-height: 1.18;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 22px;
}

.gradient-text {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-desc strong {
    color: #ffffff;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 700;
    color: #ffffff;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border-color);
}

/* Hero Hardware Card Stack */
.hero-card-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hardware-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    background: var(--bg-surface);
}

.hardware-img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.hardware-card:hover .hardware-img {
    transform: scale(1.02);
}

.hardware-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(0deg, rgba(7, 11, 20, 0.95) 0%, rgba(7, 11, 20, 0.6) 70%, transparent 100%);
    padding: 24px 20px 20px;
}

.hardware-badge {
    display: inline-block;
    background: var(--primary);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hardware-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 4px;
}

.hardware-overlay p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.telemetry-pill {
    background: rgba(17, 28, 51, 0.9);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 10px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: monospace;
    font-size: 0.8rem;
    color: #38bdf8;
    box-shadow: var(--shadow-sm);
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    flex-shrink: 0;
}

/* Partners Bar */
.partners-bar {
    padding: 26px 0;
    background: #090f1d;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.partners-label {
    display: block;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.partners-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.85rem;
}

.partner-item strong {
    color: #ffffff;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.partner-item span {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Sections General */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 50px;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    color: #ffffff;
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Service Tabs */
.service-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

/* Services Grid with Image Headers */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.service-card:hover {
    background: var(--bg-card);
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-image-header {
    height: 200px;
    position: relative;
    background: #080d1a;
    overflow: hidden;
}

.service-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-thumb.contain-img {
    object-fit: contain;
    padding: 20px;
    background: radial-gradient(circle, rgba(2, 132, 199, 0.15) 0%, transparent 70%);
}

.service-card:hover .service-thumb {
    transform: scale(1.05);
}

.service-chip {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border-color);
    color: var(--primary-light);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

.placeholder-header {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #182442, #0d1527);
}

.service-tech-icon {
    font-size: 3rem;
}

.service-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: #ffffff;
    margin-bottom: 12px;
}

.service-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    font-size: 0.84rem;
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 22px;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.service-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Certifications Showcase */
.certs-section {
    background: #080d19;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.cert-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cert-img-wrap {
    height: 140px;
    background: #000000;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    transition: var(--transition);
}

.cert-img-wrap:hover .cert-img {
    transform: scale(1.08);
}

.cert-info {
    padding: 14px 12px;
}

.cert-info h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: #ffffff;
    margin-bottom: 6px;
}

.cert-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Wallbox Feature Section */
.wallbox-section {
    background: radial-gradient(circle at 20% 50%, rgba(2, 132, 199, 0.1) 0%, transparent 60%);
}

.wallbox-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    align-items: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.wallbox-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
}

.wallbox-main-img {
    max-width: 100%;
    max-height: 380px;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.6));
    animation: floatImg 4s ease-in-out infinite alternate;
}

@keyframes floatImg {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

.wallbox-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.wallbox-lead strong {
    color: #ffffff;
}

.wallbox-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.w-step {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.w-step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.w-step strong {
    display: block;
    color: #ffffff;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.w-step p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* Calculator Section */
.calculator-section {
    background: #090f1e;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: center;
}

.calc-left .section-title {
    text-align: left;
}

.calc-left p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.calc-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.calc-highlight-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.calc-highlight-item .icon {
    font-size: 1.6rem;
}

.calc-highlight-item strong {
    display: block;
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 4px;
}

.calc-highlight-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.interactive-form {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

.form-step {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: #09101f;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.25);
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.form-col {
    flex: 1;
}

.form-feedback {
    margin-top: 14px;
    font-size: 0.9rem;
    padding: 10px;
    border-radius: var(--radius-sm);
    display: none;
}

.form-feedback.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.about-lead {
    font-size: 1.15rem;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.about-strengths {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.strength-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.check-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.strength-item strong {
    color: #ffffff;
    display: block;
    margin-bottom: 2px;
}

.strength-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

.credentials-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-lg);
}

.office-preview-box {
    width: 100%;
    height: 160px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.office-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.founder-badge {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.avatar-ph {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.founder-badge h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: #ffffff;
}

.founder-badge span {
    font-size: 0.8rem;
    color: var(--primary-light);
}

.card-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 18px 0;
}

.credentials-list {
    list-style: none;
    font-size: 0.88rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 22px;
}

.credentials-list strong {
    color: #ffffff;
}

/* Contact & Map Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 36px;
}

.contact-info-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: #ffffff;
}

.contact-detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.detail-icon {
    font-size: 1.5rem;
}

.contact-detail strong {
    display: block;
    color: #ffffff;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.contact-detail p, .contact-detail a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links-box {
    margin-top: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
}

.social-links-box span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.social-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.social-badge {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-main);
}

.social-badge.tiktok-badge:hover {
    border-color: #fe2c55;
    background: #fe2c55;
    color: #ffffff;
}

.social-badge:hover {
    border-color: var(--primary-light);
    color: #ffffff;
}

.contact-map-card {
    min-height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.map-container {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

/* Footer */
.site-footer {
    background: #060a14;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    font-size: 0.9rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    margin-bottom: 14px;
}

.footer-col p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
}

.copyright {
    font-size: 0.8rem;
    color: #64748b;
}

.footer-col h4 {
    font-family: var(--font-heading);
    color: #ffffff;
    font-size: 1.05rem;
    margin-bottom: 18px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.footer-col ul a:hover {
    color: #ffffff;
    padding-left: 4px;
}

/* Mobile Sticky Bar */
.mobile-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(11, 17, 32, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: 8px 12px;
    z-index: 999;
}

@media (min-width: 769px) {
    .mobile-action-bar {
        display: none;
    }
}

.m-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
}

.m-action-btn span:first-child {
    font-size: 1.2rem;
}

.m-action-btn.primary {
    color: var(--primary-light);
}

.m-action-btn.highlight {
    color: var(--accent);
}

/* Modal Window */
.modal-overlay, .lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-overlay.active, .lightbox-overlay.active {
    display: flex;
}

.modal-window {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 500px;
    padding: 32px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalPop 0.25s ease-out;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-close, .lightbox-close {
    position: absolute;
    top: 16px;
    right: 18px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: #ffffff;
    cursor: pointer;
    z-index: 10;
}

.modal-header {
    margin-bottom: 20px;
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: #ffffff;
    margin-bottom: 6px;
}

.modal-header p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 6px;
}

/* Lightbox Content */
.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-display-img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.3rem;
    }
    .wallbox-wrapper, .calculator-wrapper, .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    .hamburger {
        display: flex;
    }
    .main-nav {
        position: absolute;
        top: 82px;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-color);
        padding: 24px;
        display: none;
    }
    .main-nav.open {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 16px;
    }
    .hero-title {
        font-size: 1.95rem;
    }
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .stat-divider {
        display: none;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
    .wallbox-wrapper {
        padding: 28px;
    }
}