/* RODSOFT Corporate Website CSS Stylesheet */

/* Design System & CSS Variables */
:root {
    --bg-primary: #0a0f1d;
    --bg-secondary: #121829;
    --bg-card: rgba(22, 30, 49, 0.65);
    --border-color: rgba(36, 48, 77, 0.6);
    --border-color-hover: rgba(0, 180, 216, 0.5);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Harmonious Accents */
    --accent-cyan: #00b4d8;
    --accent-blue: #0077b6;
    --accent-purple: #8338ec;
    --accent-purple-light: #b5179e;
    --accent-gold: #ffb703;
    
    /* Glowing Effects */
    --glow-cyan: 0 0 20px rgba(0, 180, 216, 0.25);
    --glow-purple: 0 0 20px rgba(131, 56, 236, 0.25);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Typography */
    --font-title: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Background grid animation */
.tech-grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(36, 48, 77, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(36, 48, 77, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center;
    pointer-events: none;
    z-index: -1;
}

/* Global Typography Elements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    color: var(--text-primary);
    font-weight: 600;
}

span.hero-title-accent, h1 span, h2 span {
    color: transparent;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-title);
    font-weight: 500;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: var(--text-primary);
    border: none;
    box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 180, 216, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-purple);
    background: rgba(131, 56, 236, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

/* Header & Navigation */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 15, 29, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: 40px;
    border-radius: 8px;
    border: 1.5px solid var(--border-color);
    object-fit: cover;
}

.logo-svg {
    display: block;
    flex-shrink: 0;
}

.logo-svg .orbit-group {
    transform-origin: 100px 100px;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

.logo-svg .orbit-1 {
    animation-name: spin-clockwise-1;
    animation-duration: 7s;
}

.logo-svg .orbit-2 {
    animation-name: spin-counter-2;
    animation-duration: 9s;
}

.logo-svg .orbit-3 {
    animation-name: spin-clockwise-3;
    animation-duration: 11s;
}

.logo-svg .nucleus {
    transform-origin: 100px 100px;
    animation: pulse-nucleus 3s ease-in-out infinite;
}

@keyframes spin-clockwise-1 {
    from {
        transform: rotate(30deg);
    }
    to {
        transform: rotate(390deg);
    }
}

@keyframes spin-counter-2 {
    from {
        transform: rotate(90deg);
    }
    to {
        transform: rotate(-270deg);
    }
}

@keyframes spin-clockwise-3 {
    from {
        transform: rotate(150deg);
    }
    to {
        transform: rotate(510deg);
    }
}

@keyframes pulse-nucleus {
    0%, 100% {
        transform: scale(1);
        opacity: 0.85;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

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

.brand-name {
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.brand-sub {
    font-family: var(--font-body);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-cyan);
    margin-top: 1px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-title);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    padding: 0.25rem 0;
    position: relative;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    transition: var(--transition-smooth);
}

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

.contact-btn {
    background: rgba(0, 180, 216, 0.1);
    border: 1px solid var(--accent-cyan);
    padding: 0.5rem 1.25rem !important;
    border-radius: 6px;
}

.contact-btn::after {
    display: none !important;
}

.contact-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary) !important;
    box-shadow: var(--glow-cyan);
    transform: scale(1.03);
}

/* Hero Section */
#hero {
    min-height: 100vh;
    padding-top: 120px;
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(36, 48, 77, 0.4);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.25rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero Visual Animation Blueprint Card */
.visual-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.visual-header {
    background: rgba(10, 15, 29, 0.5);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #ffd000; }
.dot.green { background-color: #22c55e; }

.visual-title {
    margin-left: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.visual-title .title-main {
    font-family: var(--font-title);
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.visual-title .title-sub {
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 8px rgba(0, 180, 216, 0.3);
}

.visual-body {
    height: 350px;
    padding: 2rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(18, 24, 41, 0.4) 0%, rgba(10, 15, 29, 0.9) 100%);
}

#hero-matrix-canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

/* Sections Global Structure */
section {
    padding: 80px 0;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

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

/* Soluzioni Grid Layout */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.solution-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.column-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.column-icon {
    font-size: 1.25rem;
    color: var(--accent-cyan);
}

.column-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Product Cards */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-hover);
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.15);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
    opacity: 0;
    transition: var(--transition-smooth);
}

.product-card:hover::before {
    opacity: 1;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.prod-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-purple-light);
    background: rgba(181, 23, 158, 0.1);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.product-card h4 {
    font-size: 1.35rem;
    margin-top: 0.25rem;
}

.product-summary {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.product-features {
    list-style: none;
    margin-bottom: 1.75rem;
}

.product-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features li i {
    color: var(--accent-cyan);
    font-size: 0.75rem;
}

.btn-detail {
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
    padding: 0;
}

.btn-detail i {
    transition: var(--transition-bounce);
}

.product-card:hover .btn-detail {
    color: var(--accent-cyan);
}

.product-card:hover .btn-detail i {
    transform: translateX(5px);
}

.product-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
    width: 100%;
}

.btn-access {
    color: var(--accent-cyan);
    text-decoration: none;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 180, 216, 0.25);
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    background: rgba(0, 180, 216, 0.04);
}

.btn-access:hover {
    color: var(--bg-primary);
    background: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-1.5px);
}

.btn-access i {
    font-size: 0.75rem;
}

/* Area Sperimentale & Simulatori */
.simulator-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.simulator-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 15, 29, 0.4);
}

.sim-tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 1.25rem;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.sim-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(36, 48, 77, 0.2);
}

.sim-tab-btn.active {
    color: var(--accent-cyan);
    background: rgba(0, 180, 216, 0.05);
    border-bottom: 2px solid var(--accent-cyan);
}

.simulator-viewport {
    padding: 2.5rem;
}

.sim-panel {
    display: none;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
    align-items: flex-start;
}

.sim-panel.active {
    display: grid;
}

.sim-controls h5 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.sim-controls p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.control-buttons {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.sim-status {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    background: rgba(0, 180, 216, 0.08);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    border-left: 3px solid var(--accent-cyan);
}

.sim-display {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: #050811;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
}

#cad-canvas {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Calculator specific styles */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background: rgba(10, 15, 29, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.65rem 0.85rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

select.form-control option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.fasce-list {
    background: rgba(36, 48, 77, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.fascia-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.fascia-row strong {
    color: var(--accent-purple-light);
}

/* Results box */
.results-display {
    align-self: stretch;
    background: #0d1323;
    padding: 1.75rem;
}

.results-card {
    width: 100%;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.results-card h6 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    color: var(--accent-cyan);
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    border-bottom: 1px dashed rgba(36, 48, 77, 0.4);
}

.result-row strong {
    color: var(--text-primary);
}

.total-row {
    font-weight: 600;
}

.adjustment-row {
    color: var(--accent-gold);
}
.adjustment-row strong {
    color: var(--accent-gold);
}

.grand-total-row {
    border-top: 1px solid var(--border-color);
    border-bottom: none;
    padding-top: 0.75rem;
    margin-top: 0.5rem;
    font-size: 1.2rem;
    font-family: var(--font-title);
    font-weight: 700;
}

.grand-total-row strong {
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
}

.calc-steps {
    margin-top: 1.5rem;
    background: rgba(5, 8, 17, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.85rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.75rem;
    flex-grow: 1;
    overflow-y: auto;
    max-height: 140px;
    color: #00ffcc;
}

.step-placeholder {
    color: var(--text-muted);
    font-style: italic;
    font-family: var(--font-body);
}

/* Why Us Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 2rem;
}

.feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.25rem;
    text-align: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.feature-item:hover {
    border-color: var(--accent-purple);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(131, 56, 236, 0.1);
}

.feature-icon {
    font-size: 2.25rem;
    color: transparent;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 1.25rem;
    display: inline-block;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Contacts Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    align-items: center;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.contact-info .subtitle {
    color: var(--accent-cyan);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.detail-line {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
}

.detail-line i {
    color: var(--accent-cyan);
    font-size: 1.1rem;
    width: 20px;
}

.logo-large {
    opacity: 0.15;
    transition: var(--transition-smooth);
}
.logo-large:hover {
    opacity: 0.3;
}
.large-logo-img {
    max-width: 150px;
    border-radius: 12px;
}

/* Floating labels in forms */
.form-group.floating {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group.floating .form-control {
    padding-top: 1.25rem;
    padding-bottom: 0.5rem;
}

.form-group.floating label {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-smooth);
}

/* Adjust textarea label positioning */
.form-group.floating textarea + label {
    top: 1.25rem;
    transform: none;
}

.form-group.floating .form-control:focus + label,
.form-group.floating .form-control:not(:placeholder-shown) + label {
    top: 0.4rem;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    transform: none;
}

/* Special styles for select menu label */
.form-group.floating select.form-control + label {
    display: none;
}
.form-group.floating select.form-control:valid {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

.submit-feedback {
    margin-top: 1rem;
    font-size: 0.9rem;
    text-align: center;
    font-weight: 500;
}
.submit-feedback.success {
    color: #10b981;
}
.submit-feedback.error {
    color: #ef4444;
}

/* Footer styling */
footer {
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 0;
    text-align: center;
    background: rgba(10, 15, 29, 0.9);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.footer-sub {
    margin-top: 0.5rem;
    font-size: 0.75rem !important;
}

/* Modal detail card styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 8, 17, 0.85);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

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

.modal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--glass-shadow);
    animation: modalShow 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes modalShow {
    from { transform: scale(0.9) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 10;
}

.modal-close:hover {
    color: var(--accent-cyan);
    transform: rotate(90deg);
}

.modal-header {
    padding: 2rem 2.5rem 1rem 2.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    display: inline-block;
}

.modal-header h3 {
    font-size: 1.85rem;
    margin-bottom: 0.25rem;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modal-body {
    padding: 2rem 2.5rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2.5rem;
    align-items: flex-start;
}

.modal-image {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.modal-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.modal-text h5 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.modal-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.modal-text ul {
    list-style: none;
}

.modal-text ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1.25rem;
    position: relative;
}

.modal-text ul li::before {
    content: '▪';
    color: var(--accent-cyan);
    position: absolute;
    left: 0;
    top: -2px;
    font-size: 1rem;
}

.modal-text ul li strong {
    color: var(--text-primary);
}

/* Mobile-First Media Queries */

/* Tablet Portrait & Landscape (md breakpoint: >= 768px) */
@media (max-width: 1023px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .sim-panel {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2rem;
    }
    
    .logo-large {
        display: none;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Mobile Devices (sm breakpoint: < 768px) */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
        padding: 0.5rem 0;
    }
    
    .nav-item::after {
        display: none;
    }
    
    .contact-btn {
        width: 100%;
    }
    
    .simulator-viewport {
        padding: 1.25rem;
    }
    
    .control-buttons {
        flex-direction: column;
    }
    
    .modal-header {
        padding: 1.5rem 1.5rem 0.75rem 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem 1.5rem;
    }
}