/* ============================================
   DANTE AI - Premium Futuristic Website
   Main Stylesheet
   ============================================ */

:root {
    --color-bg-primary: #0a0a1a;
    --color-bg-secondary: #12122a;
    --color-bg-tertiary: #1a1a3e;
    --color-bg-card: rgba(26, 26, 62, 0.6);
    --color-purple-500: #6d28d9;
    --color-purple-400: #8b5cf6;
    --color-purple-300: #a78bfa;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-muted: #64748b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
    --transition-base: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--color-purple-500);
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: #4c1d95;
    border-radius: var(--radius-full);
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
}

a {
    color: var(--color-purple-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-purple-300);
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 300;
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.mobile-sidebar {
    display: none;
}

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all 0.3s ease;
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-base);
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    opacity: 0.5;
    transition: transform var(--transition-base);
}

.nav-dropdown:hover .dropdown-toggle {
    color: var(--color-text-primary);
}

.nav-dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    min-width: 180px;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    box-shadow: var(--shadow-glow);
    margin-top: 0.5rem;
    animation: fadeInDropdown 0.2s ease;
    z-index: 1000;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -0.6rem;
    left: 0;
    width: 100%;
    height: 0.6rem;
}

@keyframes fadeInDropdown {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.nav-dropdown:hover .dropdown-menu {
    display: flex;
}

.dropdown-menu .nav-link {
    padding: 0.6rem 1rem;
    border-radius: var(--radius-lg);
    width: 100%;
}

.dropdown-menu .nav-link::after {
    display: none;
}

.dropdown-menu .nav-link:hover {
    background: rgba(139, 92, 246, 0.1);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-icon {
    width: 16px;
    height: 16px;
    transition: transform 150ms ease;
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.5);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 8rem 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-bg-primary) 70%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-purple-300);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-purple-400);
    border-radius: var(--radius-full);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.75;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(139, 92, 246, 0.3);
}

/* Sections */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-purple-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.section-values,
.section-modes {
    background: var(--color-bg-secondary);
}

/* Value Cards */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-xl);
    padding: 3rem;
    transition: all var(--transition-base);
}

.value-card:hover {
    background: rgba(26, 26, 62, 0.8);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.value-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    color: var(--color-purple-400);
}

.value-icon svg {
    width: 32px;
    height: 32px;
}

.value-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.value-description {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary);
}

.value-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.value-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.value-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-purple-400);
    border-radius: var(--radius-full);
}

/* Platform */
.platform-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.platform-description {
    font-size: 1.125rem;
    margin-bottom: 3rem;
    color: var(--color-text-secondary);
}

.platform-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.platform-feature {
    display: flex;
    gap: 1.5rem;
}

.feature-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-purple-400);
    opacity: 0.5;
}

.feature-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.visual-container {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-bg-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 1.5rem;
    overflow: hidden;
}

#platform-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.visual-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-node {
    position: absolute;
    padding: 0.5rem 1rem;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-purple-300);
}

.node-1 {
    top: 20%;
    left: 15%;
}

.node-2 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.node-3 {
    bottom: 20%;
    right: 15%;
}

/* Modes */
.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.mode-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

.mode-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-4px);
}

.mode-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    color: var(--color-purple-400);
}

.mode-icon svg {
    width: 24px;
    height: 24px;
}

.mode-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.mode-description {
    font-size: 0.875rem;
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

.mode-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.indicator-dot.green {
    background: var(--color-success);
}

.indicator-dot.red {
    background: var(--color-error);
}

.indicator-dot.amber {
    background: var(--color-warning);
}

.indicator-dot.purple {
    background: var(--color-purple-400);
}

/* Metrics */
.section-metrics {
    position: relative;
    padding: 6rem 0;
}

.metrics-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-tertiary) 50%, var(--color-bg-primary) 100%);
}

#metrics-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.metric-item {
    padding: 2rem;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
}

.metric-unit {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-purple-400);
}

.metric-label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

.metric-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* CTA */
.section-cta {
    background: var(--color-bg-secondary);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: 3rem;
    color: var(--color-text-secondary);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(139, 92, 246, 0.1);
    padding: 6rem 0 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-purple-400);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.footer-links a:hover {
    color: var(--color-purple-400);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 3rem;
    border-top: 1px solid rgba(139, 92, 246, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-certifications {
    display: flex;
    gap: 1rem;
}

.cert-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-text-tertiary);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
        z-index: 1002;
    }

    .nav-actions .btn {
        display: none;
    }

    .platform-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    /* Mobile sidebar */
    .mobile-sidebar {
        display: block;
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: #12122a;
        z-index: 1001;
        transition: right 0.3s ease;
        padding: 80px 30px 30px;
    }

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

    .mobile-close {
        position: absolute;
        top: 20px;
        right: 20px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 5px;
        color: #f8fafc;
    }

    .mobile-close svg {
        width: 24px;
        height: 24px;
    }

    .mobile-nav {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .mobile-nav .nav-link {
        color: #f8fafc;
        font-size: 1.1rem;
        padding: 10px 0;
        display: block;
    }

    /* Mobile navigation overlay */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        display: none;
    }

    .nav-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 6rem 1rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-divider {
        display: none;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}