/* ---------- DESIGN SYSTEM – NOVA INTELLECT GLOBAL 2026 ---------- */
:root {
    --nova-deep: #083B77;
    --nova-azure: #1E8DB0;
    --nova-emerald: #29A87C;
    --nova-gold: #F59E0B;
    --nova-purple: #8B5CF6;
    --nova-cyan: #00D4FF;
    --nova-charcoal: #1F2937;
    --nova-steel: #6B7280;
    --nova-cloud: #F9FAFB;
    --nova-white: #FFFFFF;
    --nova-border: #E5E7EB;
    --nova-bg: #FFFFFF;
    --nova-card-bg: #FFFFFF;
    --nova-text-primary: #1F2937;
    --nova-text-secondary: #6B7280;
    --gradient-primary: linear-gradient(135deg, #083B77, #1E8DB0);
    --gradient-accent: linear-gradient(135deg, #1E8DB0, #00D4FF);
    --gradient-emerald: linear-gradient(135deg, #29A87C, #1E8DB0);
    --gradient-gold: linear-gradient(135deg, #F59E0B, #FBBF24);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 35px -10px rgba(30,141,176,0.2);
    --shadow-glow: 0 0 0 3px rgba(30,141,176,0.2);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--nova-bg);
    color: var(--nova-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Modern Typography */
h1, h2, h3, .logo {
    font-family: 'Space Grotesk', monospace;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30,141,176,0.08);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nova-azure);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--nova-text-primary);
}

/* ---------- MODERN BUTTON SYSTEM ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

    .btn::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255,255,255,0.3);
        transform: translate(-50%, -50%);
        transition: width 0.5s, height 0.5s;
    }

    .btn:active::before {
        width: 200px;
        height: 200px;
        opacity: 0;
    }

/* Primary Button - Gradient Azure */
.btn-primary {
    background: var(--gradient-accent);
    color: white;
    padding: 0.85rem 2rem;
    box-shadow: var(--shadow-sm);
}

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
    }

/* Secondary Button - Emerald */
.btn-secondary {
    background: var(--gradient-emerald);
    color: white;
    padding: 0.85rem 2rem;
    box-shadow: var(--shadow-sm);
}

    .btn-secondary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(41,168,124,0.3);
    }

/* Gold Button - For Partners/Investors */
.btn-gold {
    background: var(--gradient-gold);
    color: #1F2937;
    padding: 0.85rem 2rem;
    box-shadow: var(--shadow-sm);
}

    .btn-gold:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(245,158,11,0.3);
    }

/* Outline Button */
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--nova-azure);
    color: var(--nova-azure);
    padding: 0.85rem 2rem;
}

    .btn-outline:hover {
        background: rgba(30,141,176,0.08);
        transform: translateY(-3px);
        border-color: var(--nova-cyan);
    }

/* Glass Button */
.btn-glass {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 0.85rem 2rem;
}

    .btn-glass:hover {
        background: rgba(255,255,255,0.3);
        transform: translateY(-3px);
    }

/* Sizes */
.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1rem 2.4rem;
    font-size: 1rem;
}

/* Icon buttons */
.btn-icon {
    gap: 0.5rem;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--nova-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-accent);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

    .nav-links a {
        text-decoration: none;
        color: var(--nova-text-secondary);
        font-weight: 500;
        transition: color 0.2s;
    }

        .nav-links a:hover {
            color: var(--nova-azure);
        }

/* Hero Section */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--nova-cloud) 0%, var(--nova-bg) 100%);
}

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

.carousel-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

    .carousel-slide.active {
        opacity: 1;
    }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8,59,119,0.85) 0%, rgba(30,141,176,0.75) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 680px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: var(--shadow-lg);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

    .hero-content.fade-out {
        opacity: 0;
        transform: translateY(10px);
    }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30,141,176,0.12);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--nova-azure);
    margin-bottom: 1.2rem;
}

.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    margin-bottom: 1rem;
    color: var(--nova-deep);
}

.hero p {
    font-size: 1rem;
    color: var(--nova-text-secondary);
    margin-bottom: 1.5rem;
}

.value-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 1.2rem 0;
}

.chip {
    background: rgba(30,141,176,0.08);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--nova-azure);
}

.carousel-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
    z-index: 5;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 1rem;
    background: rgba(255,255,255,0.5);
    transition: all 0.3s;
    cursor: pointer;
}

    .carousel-dot.active {
        width: 2rem;
        background: var(--nova-gold);
    }

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: 1px solid var(--nova-border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--nova-deep);
    cursor: pointer;
    z-index: 5;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

    .carousel-arrow:hover {
        background: var(--nova-azure);
        color: white;
        border-color: var(--nova-azure);
    }

    .carousel-arrow.prev {
        left: 2rem;
    }

    .carousel-arrow.next {
        right: 2rem;
    }

/* Product Status Cards */
.product-status-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.status-card {
    background: var(--nova-card-bg);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border: 1px solid var(--nova-border);
    transition: all 0.2s;
}

    .status-card:hover {
        border-color: var(--nova-azure);
        box-shadow: var(--shadow-md);
    }

.status-badge-live {
    background: rgba(41,168,124,0.12);
    color: var(--nova-emerald);
    padding: 0.2rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
}

.status-badge-dev {
    background: rgba(245,158,11,0.12);
    color: var(--nova-gold);
    padding: 0.2rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
}

/* Cards Grid */
.grid-3, .grid-4 {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

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

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

.card {
    background: var(--nova-card-bg);
    border-radius: var(--radius-xl);
    padding: 1.8rem;
    border: 1px solid var(--nova-border);
    transition: all 0.3s ease;
}

    .card:hover {
        transform: translateY(-5px);
        border-color: var(--nova-azure);
        box-shadow: var(--shadow-lg);
    }

.card-icon {
    font-size: 2.2rem;
    color: var(--nova-azure);
    margin-bottom: 1rem;
}

.product-img {
    height: 160px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
}

    .product-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s;
    }

.card:hover .product-img img {
    transform: scale(1.03);
}

/* Pilot Card */
.pilot-card {
    background: linear-gradient(135deg, var(--nova-deep), #0A2540);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    margin: 3rem 0;
    text-align: center;
    color: white;
}

    .pilot-card .section-badge {
        background: rgba(255,255,255,0.15);
        color: var(--nova-gold);
    }

    .pilot-card h2 {
        color: white;
    }

.investment-section {
    background: linear-gradient(135deg, var(--nova-cloud), var(--nova-bg));
    border-radius: var(--radius-2xl);
    padding: 3rem;
    text-align: center;
    border: 1px solid var(--nova-border);
    margin: 2rem 0;
}

.partner-section {
    background: linear-gradient(135deg, rgba(245,158,11,0.05), rgba(30,141,176,0.05));
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    text-align: center;
    border: 1px solid rgba(245,158,11,0.2);
    margin: 2rem 0;
}

/* Metrics / Traction Section */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.metric-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--nova-card-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--nova-border);
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.metric-label {
    color: var(--nova-text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* FAQ */
.faq-item {
    background: var(--nova-card-bg);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    border: 1px solid var(--nova-border);
}

.faq-question {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 1rem;
    color: var(--nova-text-primary);
    cursor: pointer;
}

    .faq-question i {
        color: var(--nova-azure);
        transition: transform 0.2s;
    }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: 0.35s;
    padding: 0 1.5rem;
    color: var(--nova-text-secondary);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.2rem;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

    .modal.active {
        display: flex;
    }

.modal-content {
    background: var(--nova-card-bg);
    max-width: 480px;
    width: 90%;
    padding: 2rem;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--nova-border);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: var(--nova-bg);
    border: 1px solid var(--nova-border);
    border-radius: var(--radius-md);
    color: var(--nova-text-primary);
    margin-bottom: 1rem;
    font-family: inherit;
}

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--nova-emerald);
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-full);
    z-index: 1100;
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.chatbot-toggle {
    position: fixed;
    bottom: 25px;
    left: 25px;
    background: var(--gradient-accent);
    border: none;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s;
}

    .chatbot-toggle:hover {
        transform: scale(1.05);
    }

@media (max-width: 1024px) {
    .grid-3, .grid-4, .metrics-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

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

    .nav-links {
        display: none;
    }

    .carousel-arrow {
        display: none;
    }

    .container {
        padding: 0 1.2rem;
    }
}