/* ==========================================================================
   VALER-NET Engineering & Cyber-Blueprint Stylesheet
   ========================================================================== */

:root {
    --bg-dark: #070b12;
    --bg-darker: #04070d;
    --bg-card: #0e1726;
    --bg-card-hover: #142238;
    --border-color: #1b2a42;
    --border-glow: #00f0ff;
    
    --primary-cyan: #00f0ff;
    --primary-blue: #0077ff;
    --accent-mint: #00ff9d;
    --accent-purple: #8b5cf6;
    
    --text-main: #f0f6fc;
    --text-muted: #8b9bb4;
    --text-dark: #4a5a73;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
    --shadow-glow-strong: 0 0 40px rgba(0, 240, 255, 0.45);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

body {
    position: relative;
    min-height: 100vh;
}

/* Background Cyber Grid Effects */
.cyber-bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 20%, rgba(0, 119, 255, 0.12) 0%, rgba(0, 240, 255, 0.05) 35%, rgba(7, 11, 18, 0.95) 75%);
    pointer-events: none;
    z-index: -2;
}

.cyber-grid-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(to right, rgba(27, 42, 66, 0.25) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(27, 42, 66, 0.25) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.7;
}

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

.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.section {
    padding: 100px 0;
    position: relative;
}

.bg-darker {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.text-center { text-align: center; }
.color-cyan { color: var(--primary-cyan) !important; }

/* Section Headers */
.section-header {
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-cyan);
    letter-spacing: 2px;
    margin-bottom: 12px;
    padding: 4px 12px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: var(--radius-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #fff;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto;
}

/* Typography & Gradient text */
.gradient-text {
    background: linear-gradient(135deg, #00f0ff 0%, #0077ff 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
    background: rgba(7, 11, 18, 0.75);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(27, 42, 66, 0.6);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(4, 7, 13, 0.92);
    border-bottom-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: #fff;
}

.brand-logo-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-title {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: #fff;
    line-height: 1;
}

.brand-sub {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--primary-cyan);
    letter-spacing: 1px;
    display: block;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-cyan);
    transition: var(--transition-fast);
    box-shadow: 0 0 8px var(--primary-cyan);
}

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

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

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(0, 255, 157, 0.08);
    border: 1px solid rgba(0, 255, 157, 0.25);
    border-radius: var(--radius-full);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-mint);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-mint);
    animation: pulse-green 2s infinite;
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-mint);
    letter-spacing: 0.5px;
}

@keyframes pulse-green {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 157, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 255, 157, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 157, 0); }
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: #fff;
    transition: var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 100%);
    color: #04070d;
    font-weight: 700;
}

.btn-glow {
    box-shadow: var(--shadow-glow);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-secondary {
    background: rgba(27, 42, 66, 0.6);
    color: #fff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(27, 42, 66, 1);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    font-size: 0.88rem;
    padding: 8px 18px;
}

.btn-outline:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero-section {
    padding-top: 170px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary-cyan);
    margin-bottom: 24px;
}

.icon-spark { stroke: var(--primary-cyan); }

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 620px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.metric-card {
    text-align: left;
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    font-family: var(--font-mono);
}

.metric-unit {
    font-size: 1rem;
    color: var(--primary-cyan);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Cyber Card Frame & Canvas OTDR */
.hero-visual {
    position: relative;
}

.cyber-card-frame {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(12px);
}

.frame-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    border-color: var(--primary-cyan);
    border-style: solid;
}

.top-left { top: -1px; left: -1px; border-width: 3px 0 0 3px; }
.top-right { top: -1px; right: -1px; border-width: 3px 3px 0 0; }
.bottom-left { bottom: -1px; left: -1px; border-width: 0 0 3px 3px; }
.bottom-right { bottom: -1px; right: -1px; border-width: 0 3px 3px 0; }

.visual-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.visual-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
}

.pulsing-led {
    width: 8px;
    height: 8px;
    background-color: var(--primary-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-cyan);
    animation: pulse-cyan 1.5s infinite;
}

@keyframes pulse-cyan {
    0% { opacity: 0.4; } 50% { opacity: 1; } 100% { opacity: 0.4; }
}

.visual-sub {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    background: #05080f;
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-md);
    overflow: hidden;
}

#otdrCanvas {
    display: block;
    width: 100%;
    height: 220px;
}

.canvas-overlay-info {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.info-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 4px 8px;
    background: rgba(14, 23, 38, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

.info-badge.success {
    border-color: rgba(0, 255, 157, 0.4);
    color: var(--accent-mint);
    background: rgba(0, 255, 157, 0.08);
}

.visual-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.telemetry-item strong {
    color: #fff;
}

/* Service Cards */
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-cyan);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.15);
}

.highlight-card {
    background: linear-gradient(145deg, #0e1726 0%, #132036 100%);
    border-color: rgba(0, 240, 255, 0.4);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    margin-bottom: 24px;
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.card-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-list li {
    font-size: 0.88rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-list li::before {
    content: '✓';
    color: var(--primary-cyan);
    font-weight: 800;
}

/* Tech Boxes */
.tech-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.tech-box:hover {
    border-color: var(--primary-cyan);
}

.tech-box-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.tech-box-num {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-cyan);
}

.tech-box-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.tech-box-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 0.78rem;
    padding: 4px 10px;
    background: rgba(27, 42, 66, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
}

/* Feature Boxes (Network) */
.feature-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition-normal);
}

.feature-box:hover {
    border-color: var(--primary-cyan);
    transform: translateY(-4px);
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 119, 255, 0.12);
    border: 1px solid rgba(0, 119, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    margin-bottom: 20px;
}

.feature-box h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.feature-box p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}

@media (max-width: 992px) {
    .timeline { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .timeline { grid-template-columns: 1fr; }
}

.timeline-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    position: relative;
    transition: var(--transition-normal);
}

.timeline-step:hover {
    border-color: var(--primary-cyan);
}

.step-num {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 800;
    color: rgba(0, 240, 255, 0.3);
    margin-bottom: 12px;
}

.step-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Equipment Grid */
.equip-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .equip-grid { grid-template-columns: 1fr; }
}

.equip-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.equip-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-cyan);
    margin-bottom: 10px;
}

.equip-card h3 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 10px;
}

.equip-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Calculator Section */
.calc-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
}

@media (max-width: 992px) {
    .calc-wrapper { grid-template-columns: 1fr; }
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.form-select, .form-input, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: #070b12;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-main);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
    border-color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.range-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
}

input[type="range"] {
    flex: 1;
    height: 6px;
    background: #16233b;
    border-radius: 3px;
    outline: none;
    accent-color: var(--primary-cyan);
}

.range-value {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-cyan);
    min-width: 70px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-cyan);
}

.calc-result-box {
    background: #070b12;
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-md);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.result-price {
    font-family: var(--font-mono);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-cyan);
    margin: 16px 0;
}

.result-breakdown {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.result-note {
    font-size: 0.78rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

/* EGRIP Card */
.egrip-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.egrip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 28px;
}

.egrip-badge {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-cyan);
    letter-spacing: 1px;
}

.egrip-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.egrip-details {
    margin-bottom: 32px;
}

.egrip-item {
    font-size: 0.95rem;
}

.egrip-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.egrip-val {
    color: #fff;
}

.egrip-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.stamp-box {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--accent-mint);
    font-weight: 600;
}

/* Contacts Column & Interactive Action Buttons */
.contact-column {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
}

.contact-card-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-card-btn:hover {
    border-color: var(--primary-cyan);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.15);
}

.contact-card-btn.primary { border-left: 4px solid var(--primary-cyan); }
.contact-card-btn.whatsapp { border-left: 4px solid #25D366; }
.contact-card-btn.telegram { border-left: 4px solid #0088cc; }
.contact-card-btn.max-messenger { border-left: 4px solid #8b5cf6; }
.contact-card-btn.email { border-left: 4px solid var(--primary-blue); }

.cc-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    flex-shrink: 0;
}

.contact-card-btn.whatsapp .cc-icon { color: #25D366; background: rgba(37, 211, 102, 0.1); border-color: rgba(37, 211, 102, 0.3); }
.contact-card-btn.telegram .cc-icon { color: #0088cc; background: rgba(0, 136, 204, 0.1); border-color: rgba(0, 136, 204, 0.3); }
.contact-card-btn.max-messenger .cc-icon { color: #8b5cf6; background: rgba(139, 92, 246, 0.1); border-color: rgba(139, 92, 246, 0.3); }

.cc-text {
    display: flex;
    flex-direction: column;
}

.cc-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.cc-val {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.cc-val-sm {
    font-size: 0.9rem;
    color: #fff;
}

.contact-location-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(14, 23, 38, 0.5);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 6px;
}

/* Gallery Section Showcase */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.gallery-card {
    position: relative;
    background: linear-gradient(135deg, rgba(14, 23, 38, 0.9) 0%, rgba(7, 11, 18, 0.95) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.gallery-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-cyan);
    opacity: 0.6;
}

.gallery-card:hover {
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.gallery-card-inner h4 {
    font-size: 1.25rem;
    color: #fff;
    margin: 12px 0 8px;
    font-weight: 700;
}

.gallery-card-inner p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.gallery-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary-cyan);
    padding: 3px 10px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--radius-sm);
    letter-spacing: 1px;
}

.contact-form-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-logo {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
}

.f-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
}

.f-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-align: right;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 7, 13, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--primary-cyan);
    border-radius: var(--radius-lg);
    padding: 36px;
    width: 100%;
    max-width: 480px;
    position: relative;
    box-shadow: var(--shadow-glow-strong);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: transparent;
    border: none;
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close:hover { color: #fff; }

.modal-title {
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 8px;
}

.modal-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.4rem; }
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: var(--bg-card);
        flex-direction: column;
        padding: 40px 24px;
        transition: var(--transition-normal);
        border-left: 1px solid var(--border-color);
    }
    .nav-menu.active { right: 0; }
    .menu-toggle { display: flex; }
    .footer-container { flex-direction: column; gap: 20px; text-align: center; }
    .footer-copy { text-align: center; }
    .gallery-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .status-badge { display: none !important; }
    .brand-sub { display: none; }
    .brand-title { font-size: 1.15rem; }
    .nav-actions { gap: 10px; }
    .btn-outline {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    .hero-title { font-size: 1.85rem; }
    .hero-description { font-size: 0.98rem; }
    .section-title { font-size: 1.8rem; }
    .egrip-card { padding: 20px; }
    .egrip-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .contact-form-box { padding: 20px; }
    .contact-card-btn { padding: 12px 16px; width: 100%; }
    .cc-val { font-size: 0.95rem; word-break: break-all; }
    .cc-val-sm { font-size: 0.82rem; }
    .calc-inputs { padding: 20px; }
    .calc-result-box { padding: 20px; }
    .service-card, .tech-box, .equip-card { padding: 24px 20px; }
}