/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0066cc;
    --secondary-blue: #004c99;
    --accent-teal: #00a8cc;
    --light-blue: #e6f3ff;
    --dark-blue: #003366;
    --ocean-gradient: linear-gradient(135deg, #0066cc 0%, #0088cc 100%);
    --text-dark: #1a202c;
    --text-medium: #2d3748;
    --text-light: #4a5568;
    --text-lighter: #718096;
    --background-light: #f7fafc;
    --border-color: #e2e8f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Inter', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-medium);
    background-color: #fff;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

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

.logo h1 {
    color: var(--text-dark);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    letter-spacing: -0.02em;
}

.logo .tagline {
    font-size: 0.7rem;
    color: var(--text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

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

nav a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
    position: relative;
}

nav a:hover {
    color: var(--primary-blue);
}

/* Main content */
main {
    margin-top: 70px;
}

/* Hero section */
#hero {
    background: linear-gradient(135deg, #0066cc 0%, #0088dd 100%);
    color: white;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    padding: 70px 0 90px 0;
    text-align: center;
    position: relative;
    z-index: 2;
}

#hero h2 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: white;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.05rem;
    margin-bottom: 2rem;
    opacity: 0.85;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-blue);
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
    fill: #ffffff;
}

/* Sections */
section {
    padding: 80px 0;
}

section:nth-child(even) {
    background: var(--background-light);
}

h2 {
    text-align: center;
    margin-bottom: 0.75rem;
    font-size: 2.25rem;
    color: var(--text-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 650px;
    margin: 0 auto 3.5rem auto;
    line-height: 1.6;
}

/* About */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.25rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-blue);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
}

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.65;
    font-size: 0.95rem;
}

/* Expertise */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.expertise-category {
    background: white;
    padding: 2.25rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--primary-blue);
}

.expertise-category h3 {
    color: var(--text-dark);
    margin-bottom: 1.25rem;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.expertise-category ul {
    list-style: none;
}

.expertise-category li {
    color: var(--text-light);
    padding: 0.5rem 0;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.9rem;
}

.expertise-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 1.2rem;
    line-height: 1.5rem;
}

/* Solutions */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.solution-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 119, 190, 0.08);
    transition: all 0.3s ease;
    border-top: 3px solid var(--accent-teal);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 119, 190, 0.15);
}

.solution-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.solution-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Contact */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    margin-top: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-method {
    text-align: center;
    padding: 1.75rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.contact-method:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-method h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.contact-method p {
    font-size: 0.9rem;
}

.contact-method a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-method a:hover {
    color: var(--secondary-blue);
}

.contact-cta {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f7fafc 0%, #e6f3ff 100%);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.availability {
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    color: var(--text-medium);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer p {
    opacity: 0.7;
    font-size: 0.875rem;
}

/* Responsive design */
@media (max-width: 968px) {
    nav .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    #hero h2 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .services-grid,
    .solutions-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    #hero h2 {
        font-size: 1.8rem;
    }
    
    .hero-content {
        padding: 50px 0 70px 0;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .service-card,
    .expertise-category,
    .solution-card,
    .contact-method {
        padding: 1.5rem;
    }
}