/* Design System & Root Variables */
:root {
    --bg-dark: #070F18;
    --bg-darker: #040A10;
    --bg-card: rgba(18, 30, 49, 0.6);
    --bg-card-hover: rgba(26, 43, 70, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 141, 218, 0.4);
    
    --primary: #0B1E36;
    --secondary: #1E3E62;
    --accent: #008DDA;
    --accent-glow: rgba(0, 141, 218, 0.35);
    --accent-light: #41C9E2;
    --text-main: #E2ECF6;
    --text-muted: #8E9FB4;
    --text-light: #FFFFFF;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-quick: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-light);
    font-weight: 700;
    line-height: 1.25;
}

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

/* Layout Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
}

.dark-bg {
    background-color: var(--bg-darker);
}

/* Gradients & Special Text */
.gradient-text {
    background: linear-gradient(135deg, var(--text-light) 30%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-text {
    color: var(--accent-light);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: var(--secondary);
    border-radius: 5px;
    border: 2px solid var(--bg-darker);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #0077c2, var(--accent));
    color: var(--text-light);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 141, 218, 0.5);
    background: linear-gradient(135deg, var(--accent), #009df5);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background-color: rgba(0, 141, 218, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Navigation Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(7, 15, 24, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header.scrolled {
    padding: 0.75rem 0;
    background-color: rgba(4, 10, 16, 0.9);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    color: var(--text-light);
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 6px;
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 25%;
    left: 25%;
    width: 50%;
    height: 50%;
    border-top: 2.5px solid var(--text-light);
    border-right: 2.5px solid var(--text-light);
    transform: rotate(45deg);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

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

.nav-link:hover, .nav-link.active {
    color: var(--accent-light);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.mobile-nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition-quick);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 8rem;
    padding-bottom: 5rem;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 141, 218, 0.15) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: rgba(0, 141, 218, 0.15);
    border: 1px solid rgba(0, 141, 218, 0.3);
    color: var(--accent-light);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
}

/* Hero Device Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-mockup {
    position: relative;
    width: 340px;
    height: 340px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    background: rgba(11, 25, 44, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    cursor: grab;
}

.device-mockup:active {
    cursor: grabbing;
}

.device-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(65, 201, 226, 0.15) 0%, transparent 70%);
    animation: pulsate 4s infinite alternate ease-in-out;
    pointer-events: none;
    z-index: 1;
}

#product-3d-canvas-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.interaction-hint {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(4, 10, 16, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--accent-light);
    pointer-events: none;
    z-index: 10;
    transition: opacity 0.5s ease;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.interaction-hint.fade-out {
    opacity: 0;
}

/* Value Prop Banner */
.value-prop-banner {
    background-color: rgba(18, 30, 49, 0.3);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 0;
}

.banner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.banner-item h3 {
    font-size: 1.3rem;
    color: var(--accent-light);
    margin-bottom: 0.5rem;
}

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

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Problem & Solution Cards */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.comparison-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.comparison-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.pain-card::before {
    background: linear-gradient(90deg, var(--danger), transparent);
}

.solution-card::before {
    background: linear-gradient(90deg, var(--accent), transparent);
}

.comparison-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pain-card:hover {
    border-color: rgba(239, 68, 68, 0.3);
}

.solution-card:hover {
    border-color: var(--border-hover);
}

.card-icon {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.8rem;
}

.red-icon {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.blue-icon {
    background-color: rgba(0, 141, 218, 0.15);
    color: var(--accent-light);
}

.comparison-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 1.2rem;
    color: var(--text-muted);
    font-size: 0.98rem;
}

.comparison-list li strong {
    color: var(--text-light);
    display: block;
    margin-bottom: 0.2rem;
}

.comparison-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.pain-card .comparison-list li::before {
    background-color: var(--danger);
}

.solution-card .comparison-list li::before {
    background-color: var(--success);
}

/* How It Works Steps */
.how-it-works-section {
    overflow: hidden;
}

.section-bg-glow {
    position: absolute;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 141, 218, 0.08) 0%, transparent 70%);
    bottom: -10%;
    left: -10%;
    z-index: 0;
    pointer-events: none;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.step-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem 2.2rem;
    position: relative;
    transition: var(--transition-smooth);
}

.step-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 10, 30, 0.4);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    color: rgba(0, 141, 218, 0.15);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.step-card:hover .step-number {
    color: rgba(65, 201, 226, 0.35);
    transform: scale(1.05);
}

.step-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

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

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

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 10, 30, 0.4);
}

.feature-icon {
    width: 46px;
    height: 46px;
    color: var(--accent-light);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 141, 218, 0.1);
    border-radius: 10px;
    padding: 8px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* Compliance Section */
.compliance-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.compliance-features {
    display: flex;
    flex-direction: column;
    gap: 2.2rem;
}

.compliance-item {
    display: flex;
    gap: 1.5rem;
}

.comp-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-light);
    background-color: rgba(0, 141, 218, 0.15);
    width: 45px;
    height: 45px;
    min-width: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 141, 218, 0.3);
}

.compliance-item h4 {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

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

.glass-card {
    background: rgba(18, 30, 49, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.glass-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1.8rem;
    text-align: center;
}

.audit-log-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.audit-log-line {
    background-color: rgba(4, 10, 16, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.8rem;
    font-family: monospace;
}

.tag {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
}

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

.tag-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.tag-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.audit-log-line .time {
    color: var(--text-muted);
}

.audit-log-line .info {
    color: var(--text-light);
}

.audit-card-footer {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

/* Contact Section (2 column card grid) */
.contact-cards-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 4rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition-smooth);
}

.contact-card-item:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 10, 30, 0.4);
}

.contact-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background-color: rgba(0, 141, 218, 0.1);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.8rem;
    padding: 16px;
}

.contact-card-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
}

.contact-card-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.8rem;
    min-height: 48px;
}

.contact-card-link {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-light);
    font-size: 1.25rem;
    transition: var(--transition-quick);
}

.contact-card-link:hover {
    color: var(--text-light);
    text-decoration: underline;
}

/* Footer Section */
.footer {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 1.2rem;
    max-width: 300px;
}

.footer-links, .footer-legal {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links h4, .footer-legal h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.social-links a {
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-quick);
}

.social-links a:hover {
    color: var(--accent-light);
    transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-container, .compliance-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .hero {
        text-align: center;
        padding-top: 7rem;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid, .banner-grid, .steps-container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

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

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }

    .banner-grid, .steps-container, .features-grid, .comparison-grid, .footer-container, .contact-cards-grid-2 {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    /* Mobile Header & Nav */
    .header {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background-color: rgba(7, 15, 24, 0.98);
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(4, 10, 16, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        padding: 3rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
        z-index: 999;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    .nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        font-size: 1.4rem;
        font-weight: 600;
    }

    .nav-cta {
        display: none;
    }

    /* Mobile Toggle Active State */
    .mobile-nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    @media (max-width: 400px) {
        .device-mockup {
            width: 280px;
            height: 280px;
        }
    }
}

/* Animations */
@keyframes pulsate {
    0% {
        transform: scale(0.96);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.04);
        opacity: 0.85;
    }
}

@keyframes rotate-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes blink-led {
    0%, 100% {
        opacity: 0.4;
        box-shadow: 0 0 4px var(--success);
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 12px var(--success);
    }
}

/* Scroll Animation Classes */
.card-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-animate.animated {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: simpleFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.25s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.55s; }

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