/* CSS Reset & Overflow Prevention */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

:root {
    --primary: #0f172a;      /* Deep Slate Navy */
    --accent: #2563eb;       /* Professional Royal Blue */
    --accent-hover: #1d4ed8;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
}

html {
    scroll-behavior: smooth;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Typography & Buttons */
h1, h2, h3 {
    font-weight: 700;
    color: var(--primary);
}

a {
    text-decoration: none;
    color: inherit;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.1s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary);
}

.btn-block {
    width: 100%;
}

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo i {
    color: var(--accent);
}

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

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-nav {
    background-color: var(--accent);
    color: var(--white) !important;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.btn-nav:hover {
    background-color: var(--accent-hover) !important;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 85vh;
    height: auto;
    padding: 6rem 0;
    background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 1.2rem;
}

.hero p {
    font-size: 1.15rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Layout Utilities */
.section {
    padding: 5rem 0;
}

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

.section-title {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-muted);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

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

/* About Section */
.about-text p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.features-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.feature-item i {
    color: var(--accent);
}

.about-card .card-box {
    background-color: var(--primary);
    color: var(--white);
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
}

.card-box i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.card-box h3 {
    color: var(--white);
    margin-bottom: 0.75rem;
}

.card-box p {
    color: #94a3b8;
}

/* Services Cards */
.service-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.icon-box {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.service-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

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

/* Stats Section */
.stats-section {
    background-color: var(--primary);
    color: var(--white);
    padding: 4rem 0;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.stat-item p {
    color: #94a3b8;
    font-weight: 500;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-info h3 {
    margin-bottom: 0.5rem;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
}

.contact-info i {
    color: var(--accent);
    width: 20px;
}

.contact-form {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}

.form-message {
    margin-top: 1rem;
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
}

/* Footer */
footer {
    background-color: #090d16;
    color: #94a3b8;
    padding: 2rem 0;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

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

/* Responsive Media Queries */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 968px) {
    .grid-2, .grid-3, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
        padding: 1.5rem 0;
        gap: 1rem;
        text-align: center;
        animation: fadeIn 0.2s ease forwards;
    }

    .nav-links.active {
        display: flex;
    }
}

@media (max-width: 576px) {
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}