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

:root {
    --primary: #046380;
    --secondary: #1e293b;
    --text: #334155;
    --bg: #ffffff;
    --gray: #f1f5f9;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & Navigation */
header {
    background: var(--bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 80px;
    width: auto;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--secondary);
    transition: 0.3s;
}

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

.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    background: 
        linear-gradient(135deg, rgba(4, 99, 128, 0.95), rgba(3, 74, 96, 0.95)),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path fill="%23ffffff" fill-opacity="0.1" d="M0 300c100-50 200-50 300 0s200 50 300 0 200-50 300 0 200 50 300 0v300H0z"/><ellipse cx="200" cy="150" rx="80" ry="40" fill="%23ffffff" fill-opacity="0.15"/><ellipse cx="500" cy="100" rx="100" ry="50" fill="%23ffffff" fill-opacity="0.12"/><ellipse cx="900" cy="180" rx="90" ry="45" fill="%23ffffff" fill-opacity="0.1"/></svg>');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-image {
    width: 132px;
    height: 132px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 4px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.stats span {
    white-space: nowrap;
}

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

.cta-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
}

.cta-button.primary {
    background: white;
    color: var(--primary);
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 3rem 0;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.reviews-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

@media (min-width: 768px) {
    .reviews-image {
        max-width: 800px;
        margin: 0 auto;
        display: block;
    }
}

.certifications {
    margin-top: 2rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cert-badge {
    display: block;
    transition: transform 0.2s;
}

.cert-badge img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.cert-badge:hover {
    transform: scale(1.05);
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: var(--gray);
    padding: 2rem;
    border-radius: 8px;
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--secondary);
}

/* Form */
.contact-intro {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text);
}

.contact-options {
    margin-bottom: 2rem;
}

.marketplace-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.2s;
    max-width: 500px;
    margin: 0 auto;
}

.marketplace-link:hover {
    transform: translateY(-2px);
}

.marketplace-link span {
    font-size: 0.875rem;
    opacity: 0.9;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
    text-align: center;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
    padding: 0.75rem;
    background: var(--gray);
    border-radius: 4px;
    transition: transform 0.2s;
}

.contact-info a:hover {
    transform: translateY(-2px);
}

.linkedin-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-family: inherit;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

button[type="submit"] {
    background: var(--primary);
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--secondary);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

/* Tablet & Desktop */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .nav-links {
        display: flex;
        flex-direction: row;
        position: static;
        background: none;
        box-shadow: none;
        padding: 0;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    section {
        padding: 5rem 0;
    }
}