/* NV Mobile App - Premium Light Blue Theme */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bg-base: #ffffff;
    --bg-soft: #f8fbff;
    --accent-main: #0066ff; /* Premium Blue */
    --accent-dark: #0052cc;
    --accent-light: #eff6ff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-light: 1px solid #e2e8f0;
    --border-blue: 1px solid rgba(0, 102, 255, 0.1);
    --card-shadow: 0 10px 15px -3px rgba(0, 102, 255, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --card-shadow-hover: 0 25px 50px -12px rgba(0, 102, 255, 0.15);
    --nav-h: 85px;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Navbar */
.navbar {
    height: var(--nav-h);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    z-index: 1000;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    padding: 0.7rem 8%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.brand {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-sq {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent-main), #60a5fa);
    border-radius: 12px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.brand-sq::after {
    content: 'NV';
    position: relative;
    z-index: 2;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-main);
    transition: 0.3s ease;
}

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

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

.btn-blue {
    background: var(--accent-main);
    color: #fff;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 25px -5px rgba(0, 102, 255, 0.3);
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-blue:hover {
    background: var(--accent-dark);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px -5px rgba(0, 102, 255, 0.4);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--nav-h) + 60px);
    padding-bottom: 100px;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(0, 102, 255, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 10% 80%, rgba(0, 102, 255, 0.03) 0%, transparent 40%);
}

.hero-grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(0, 102, 255, 0.02) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(0, 102, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    text-align: center;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1.4rem;
    background: var(--accent-light);
    color: var(--accent-main);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 100px;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
    color: var(--text-primary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-main), #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Cards & Sections */
.section {
    padding: 100px 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-head {
    text-align: center;
    margin-bottom: 5rem;
}

.section-head h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.card {
    background: #fff;
    padding: 3rem;
    border-radius: 32px;
    border: var(--border-light);
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(0, 102, 255, 0.2);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-light);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-main);
    margin-bottom: 2rem;
    transition: 0.4s ease;
}

.card:hover .card-icon {
    background: var(--accent-main);
    color: #fff;
    transform: rotate(5deg) scale(1.1);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-secondary);
}

/* Why Choose Us / Process Section */
.process-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.process-content h2 {
    margin-bottom: 2rem;
}

.process-content p {
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

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

.process-list li {
    margin-bottom: 2rem;
    display: flex;
    gap: 20px;
}

.list-icon {
    color: var(--accent-main);
    font-size: 1.4rem;
    margin-top: 4px;
}

.process-list h4 {
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.process-list p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.process-visual {
    background: var(--bg-soft);
    border-radius: 48px;
    padding: 60px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 40px rgba(0, 102, 255, 0.03);
}

.visual-box {
    aspect-ratio: 1;
    border: 6px solid #fff;
    border-radius: 40px;
    background: linear-gradient(135deg, #eef2ff, #f8fbff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-main);
    font-size: 6rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
}

.decor {
    position: absolute;
    background: var(--accent-main);
    border-radius: 20px;
    opacity: 0.08;
    z-index: 1;
}

.decor-1 {
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    transform: rotate(15deg);
}

.decor-2 {
    bottom: 40px;
    left: 30px;
    width: 60px;
    height: 60px;
    transform: rotate(-10deg);
}

/* Contact Page Specifics */
.contact-container {
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: #fff;
    padding: 4rem;
    border-radius: 40px;
    box-shadow: var(--card-shadow-hover);
    border: var(--border-light);
}

.email-box {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 1rem 2rem;
    background: var(--accent-light);
    color: var(--accent-main);
    border-radius: 100px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    margin-bottom: 3rem;
}

.email-box:hover {
    background: var(--accent-main);
    color: #fff;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-field {
    width: 100%;
    padding: 1.2rem 1.5rem;
    border: 2px solid #f1f5f9;
    border-radius: 16px;
    font-family: inherit;
    font-size: 1rem;
    transition: 0.3s;
    background: #f8fafc;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-main);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

/* Footer */
footer {
    padding: 80px 8% 40px;
    border-top: var(--border-light);
    background: var(--bg-soft);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 40px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: var(--border-light);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

@media (max-width: 992px) {
    .nav-links { gap: 1.5rem; }
    .navbar { padding: 0 5%; }
    .navbar.scrolled { padding: 0.5rem 5%; }
}

@media (max-width: 768px) {
    :root { --nav-h: 75px; }
    
    .menu-toggle { display: flex; }
    
    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        align-items: center;
        height: 0;
        overflow: hidden;
        transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        border-bottom: var(--border-light);
    }
    
    .nav-links.active {
        height: auto;
        padding: 3rem 0;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem;
    }

    .nav-actions .btn-blue {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }

    .brand { font-size: 1.3rem; }
    .brand-sq { width: 32px; height: 32px; font-size: 0.9rem; }

    .process-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .process-list li {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .process-visual {
        order: -1; /* Show image above text on mobile */
        padding: 40px;
    }

    .form-row { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.8rem; }
    .contact-card { padding: 2rem; }
}

@media (max-width: 480px) {
    .nav-actions .btn-blue {
        display: none; /* Hide CTA on extra small screens to save space */
    }
    
    .navbar { padding: 0 20px; }
    .navbar.scrolled { padding: 0.4rem 20px; }
    .brand span { font-size: 1.1rem; }
    
    .hero h1 { font-size: 2.4rem; }
}