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

html {
    scroll-behavior: smooth;
}

:root {
    --primary: #0099A8;
    --primary-80: rgba(0, 153, 168, 0.8);
    --primary-60: rgba(0, 153, 168, 0.6);
    --primary-40: rgba(0, 153, 168, 0.4);
    --gray: #939597;
    --black: #000000;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--black);
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Header and Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: block;
    text-decoration: none;
}

.logo img {
    height: 40px;
    transition: opacity 0.3s ease;
}

.logo a:hover img {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 9999;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--black);
    transition: all 0.3s ease-in-out;
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
        position: relative;
        z-index: 2000;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 50vh;
        width: 100%;
        background-color: #0099A8;
        padding: 2rem;
        z-index: 1500;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease-in-out;
        overflow-y: auto;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 1.5rem;
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        color: var(--white);
        font-size: 1.2rem;
        text-transform: uppercase;
        letter-spacing: 2px;
        text-align: center;
        padding: 0.8rem;
        width: 100%;
        max-width: 300px;
    }

    .nav-links a:hover {
        color: rgba(255, 255, 255, 0.9);
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
    }

    /* Hamburger Animation */
    .mobile-nav-toggle.active .hamburger span {
        background-color: var(--white);
    }

    .mobile-nav-toggle.active .hamburger span:first-child {
        transform: translateY(9px) rotate(45deg);
    }

    .mobile-nav-toggle.active .hamburger span:nth-child(2) {
        opacity: 0;
    }

    .mobile-nav-toggle.active .hamburger span:last-child {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* Close button */
    .mobile-nav-toggle.active {
        position: fixed;
        right: 2rem;
        top: 1rem;
    }
}

/* Hero Section */
.hero {
    margin-top: 80px;
    min-height: 83vh;
    display: flex;
    align-items: center;
    padding: 4rem 6rem 0 6rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, rgba(0, 153, 168, 0.1) 0%, rgba(0, 153, 168, 0.05) 100%);
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 700px;
    align-self: center;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 4rem;
}

.hero-content p {
    margin-bottom: 2rem;
}

.hero-certifications {
    margin-top: 2rem;
}

.hero-certifications img {
    height: 8vh;
    width: auto;
    min-height: 15px;
    max-height: 30px;
    margin: 0 2%;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    justify-items: center;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card img {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    object-fit: contain;
}

/* Services Section */
.services {
    padding: 6rem 2rem;
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card img {
    width: 100px;
    height: 100px;
    margin-bottom: 1.5rem;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(0, 153, 168, 0.05) 0%, rgba(0, 153, 168, 0.1) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.quote-icon {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    border-top: 2px solid rgba(0, 153, 168, 0.1);
    padding-top: 1rem;
}

.author-name {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.testimonial-logo {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
    display: block;
    object-fit: contain;
}

.author-title {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Contact Section */
.contact {
    padding: 6rem 2rem;
    background: var(--white);
    text-align: center;
}

.contact-form {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-template-columns: 1fr;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background-color: var(--white);
}

.contact-form select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background-color: var(--white);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.contact-form select::-ms-expand {
    display: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
    max-height: 300px;
}

/* Buttons */
.cta-button,
.submit-button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover,
.submit-button:hover {
    background: var(--primary-80);
    transform: translateY(-2px);
    color: white;
}

/* Footer */
footer {
    background: #f8f9fa;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 40px;
}

.footer-info p {
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: var(--black);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.certifications {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.certifications img {
    height: 40px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.certifications img:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .features,
    .services,
    .contact {
        padding: 4rem 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .certifications {
        justify-content: center;
    }
}