/* ========== PREMIUM DARK NAVY THEME – NEXUS ASSURANCE ========== */
:root {
    --navy-deep: #0A192F;
    --navy-rich: #0C1C2E;
    --navy-accent: #1E4A76;
    --blue-glow: #2C628F;
    --blue-light: #5D9BFF;
    --pure-white: #FFFFFF;
    --off-white: #EFF3F8;
    --gray-light: #B0C7E0;
    --shadow-premium: 0 25px 45px -12px rgba(0, 0, 0, 0.4);
    --glass-bg: rgba(12, 24, 40, 0.75);
    --blur-intensity: blur(16px);
    --border-glow: rgba(93, 155, 255, 0.25);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: #07111E;
    color: #EFF3F8;
    line-height: 1.5;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    transition: all 0.25s ease;
}

/* ========== GLASS NAVBAR (DARK) ========== */
.glass-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(7, 17, 30, 0.92);
    backdrop-filter: var(--blur-intensity);
    border-bottom: 1px solid var(--border-glow);
    width: 100%;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFFFFF, #8BBEFF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
}

.logo i {
    font-size: 1.9rem;
    background: linear-gradient(145deg, #5D9BFF, #2D6A9F);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo .light {
    font-weight: 500;
    color: #5D9BFF;
    background: none;
    -webkit-background-clip: unset;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    color: #CFE3FF;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, #5D9BFF, #A0C4FF);
    transition: width 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: white;
}

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

.btn-outline-premium {
    background: transparent;
    border: 1.5px solid #5D9BFF;
    padding: 0.5rem 1.3rem;
    border-radius: 40px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-outline-premium:hover {
    background: #1E4A76;
    border-color: #A0C4FF;
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: #CFE3FF;
    cursor: pointer;
    background: none;
    border: none;
}

/* ========== BUTTONS ========== */
.btn-primary {
    background: linear-gradient(95deg, #0C2F54, #1A568C);
    padding: 1rem 2rem;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 14px rgba(0, 20, 40, 0.5);
    border: 1px solid rgba(93,155,255,0.3);
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    background: linear-gradient(95deg, #12426B, #206E9E);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.btn-secondary {
    background: rgba(18, 30, 45, 0.7);
    backdrop-filter: blur(12px);
    padding: 1rem 2rem;
    border-radius: 50px;
    color: #EFF3F8;
    border: 1px solid rgba(93,155,255,0.4);
    transition: 0.25s;
}

.btn-secondary:hover {
    background: #1E3A5F;
    border-color: #5D9BFF;
    transform: translateY(-3px);
}

/* ========== HERO SECTION ========== */
.hero-premium {
    position: relative;
    overflow: hidden;
    padding: 2rem 0 4rem;
}

.hero-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFFFFF, #BFD9FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.2rem;
}

.hero-content p {
    font-size: 1.1rem;
    color: #B0C7E0;
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.stat-item h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #5D9BFF;
}

.hero-image img {
    width: 100%;
    border-radius: 48px;
    box-shadow: 0 30px 40px -20px rgba(0,0,0,0.5);
    border: 1px solid rgba(93,155,255,0.2);
}

/* ========== SECTION HEADERS & TAGS ========== */
.section-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(120deg, #fff, #AAC9FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-header p {
    color: #BBDAFF;
    max-width: 600px;
    margin: 1rem auto;
}

.section-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #5D9BFF;
    font-weight: 700;
    background: rgba(93, 155, 255, 0.12);
    padding: 0.4rem 1.2rem;
    border-radius: 40px;
    display: inline-block;
    margin-bottom: 1rem;
}

.hero-badge {
    background: rgba(93, 155, 255, 0.12);
    backdrop-filter: blur(8px);
    padding: 0.5rem 1.2rem;
    border-radius: 60px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
    color: #8BBEFF;
    border: 1px solid rgba(93, 155, 255, 0.3);
}

/* ========== SERVICES CARDS ========== */
.services-full-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 1rem;
}

.glass-card, .service-card {
    background: rgba(12, 24, 40, 0.75);
    backdrop-filter: blur(12px);
    border-radius: 36px;
    padding: 2rem;
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    border: 1px solid rgba(93, 155, 255, 0.2);
    box-shadow: 0 20px 35px -12px rgba(0,0,0,0.4);
}

.glass-card:hover, .service-card:hover {
    transform: translateY(-8px);
    background: #0F1E2F;
    border-color: rgba(93, 155, 255, 0.6);
    box-shadow: 0 25px 40px -10px rgba(0, 0, 0, 0.6);
}

.service-icon {
    font-size: 2.8rem;
    background: linear-gradient(135deg, #7FB0FF, #2D6A9F);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
}

.card-link {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
    color: #7FB0FF;
    text-decoration: none;
}

.card-link:hover {
    transform: translateX(6px);
    color: #AAC9FF;
}

/* ========== FEATURES / WHY CHOOSE US ========== */
.features-grid, .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card, .benefit-card {
    text-align: center;
    background: rgba(10, 25, 40, 0.65);
    backdrop-filter: blur(8px);
    border-radius: 32px;
    padding: 2rem;
    border: 1px solid rgba(93, 155, 255, 0.15);
    transition: all 0.3s;
}

.feature-card:hover, .benefit-card:hover {
    transform: translateY(-6px);
    background: #102436;
    border-color: rgba(93, 155, 255, 0.5);
}

.feature-icon, .benefit-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #79A9FF, #2D6A9F);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
}

/* ========== STATS COUNTER ========== */
.stats-premium {
    background: linear-gradient(135deg, #071728, #0B203A);
    padding: 5rem 0;
    text-align: center;
}

.stats-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-number {
    font-size: 3.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFFFFF, #80B2FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ========== FAQ SECTION ========== */
.faq-section {
    background: #091321;
    padding: 5rem 0;
}

.faq-item {
    background: #0F1F32;
    border-radius: 28px;
    margin-bottom: 1rem;
    padding: 1.2rem 1.8rem;
    cursor: pointer;
    border: 1px solid #1F3B57;
    transition: 0.2s;
}

.faq-item:hover {
    background: #13273F;
    border-color: #2F6088;
}

.faq-question {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #EFF3F8;
}

.faq-question i {
    color: #5D9BFF;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: 0.35s ease;
    color: #B8D0E8;
    padding-top: 0;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-top: 1rem;
}

/* ========== CTA BANNER ========== */
.cta-banner {
    background: linear-gradient(125deg, #0A192F, #03263F);
    border: 1px solid rgba(93, 155, 255, 0.3);
    backdrop-filter: blur(8px);
    border-radius: 60px;
    margin: 3rem auto;
    max-width: 1300px;
    padding: 3.5rem 2rem;
    text-align: center;
}

/* ========== FOOTER ========== */
.premium-footer {
    background: #061020;
    color: #B0C4DE;
    margin-top: 5rem;
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1300px;
    margin: auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.4rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.7rem;
}

.footer-col a {
    color: #B0C4DE;
    text-decoration: none;
}

.footer-col a:hover {
    color: #5D9BFF;
}

.social-icons a {
    background: rgba(255,255,255,0.1);
    display: inline-flex;
    margin-right: 12px;
    padding: 0.5rem;
    border-radius: 50%;
    transition: 0.2s;
}

.social-icons a:hover {
    background: #1E4A76;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #1E2A3A;
    margin-top: 3rem;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

/* ========== RESPONSIVE BREAKPOINTS ========== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .section-header h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content p {
        max-width: 100%;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-image {
        order: -1;
    }
    .hero-image img {
        max-width: 90%;
    }
    .nav-links {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: rgba(7, 17, 30, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: right 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        box-shadow: -8px 0 30px rgba(0,0,0,0.6);
        border-left: 1px solid rgba(93,155,255,0.4);
        z-index: 1001;
        padding: 2rem;
    }
    .nav-links.active {
        right: 0;
    }
    .nav-links a {
        font-size: 1.2rem;
        width: 100%;
        text-align: center;
    }
    .menu-toggle {
        display: block;
    }
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.7);
        backdrop-filter: blur(5px);
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
    }
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    .services-full-grid, .features-grid, .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .stats-grid {
        flex-direction: column;
        align-items: center;
    }
    .stat-number {
        font-size: 2.8rem;
    }
    .cta-banner {
        margin: 2rem 1rem;
        padding: 2rem 1rem;
    }
    .cta-banner h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.6rem 1rem;
    }
    .logo a {
        font-size: 1.3rem;
    }
    .logo i {
        font-size: 1.5rem;
    }
    .btn-outline-premium {
        padding: 0.4rem 0.9rem;
        font-size: 0.75rem;
    }
    .hero-content h1 {
        font-size: 1.8rem;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
    .glass-card, .service-card, .feature-card {
        padding: 1.5rem;
    }
    .btn-primary, .btn-secondary {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    .footer-grid {
        gap: 2rem;
    }
}

/* ========== UTILITY CLASSES ========== */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.hidden { display: none; }