:root {
    --color-primary: #00AFF0;
    --color-secondary: #f0f0f0;
    --color-text: #333;
    --color-text-light: #666;
    --color-background: #fff;
    --color-accent: #FF69B4;
    --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.logo i {
    margin-right: 0.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background-color: #000;
    color: #fff;
    text-align: center;
    padding: 10rem 0 8rem;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1533158307587-828f0a76ef46?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.5;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s;
    animation-fill-mode: both;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: #0095d1;
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 175, 240, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.3);
}

.btn i {
    margin-left: 0.5rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: #f9f9f9;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.feature-item h3 {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.feature-item p {
    color: var(--color-text-light);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: #f9f9f9;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group label {
    position: absolute;
    top: 0.8rem;
    left: 0.8rem;
    color: var(--color-text-light);
    transition: all 0.3s ease;
    pointer-events: none;
}

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

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    background-color: #f9f9f9;
    padding: 0 0.3rem;
    color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 3rem 0 1rem;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer-column {
    flex: 1;
    text-align: center;
    padding: 0 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
}

.footer h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column p {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.footer-column i {
    margin-right: 0.5rem;
    color: var(--color-primary);
    width: 20px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #fff;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

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

    .nav-links li {
        margin: 0.5rem 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        margin-bottom: 1rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-column {
        margin-bottom: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .social-links {
        margin-top: 1rem;
        justify-content: center;
    }
}

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

/* Focus styles for keyboard navigation */
a:focus, button:focus, input:focus, textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 175, 240, 0.9);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

.notification-icon {
    margin-right: 10px;
    font-size: 1.2em;
}

.notification-content {
    flex-grow: 1;
}

.notification-title {
    font-weight: bold;
    margin-bottom: 5px;
}

.notification-message {
    font-size: 0.9em;
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-20px); }
}

.notification.hide {
    animation: fadeOut 0.5s ease forwards;
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-item {
        padding: 1.5rem;
    }

    .footer {
        font-size: 0.8rem;
    }

    .footer-logo {
        font-size: 1rem;
    }

    .footer h4 {
        font-size: 0.9rem;
    }

    .social-links a {
        font-size: 1rem;
    }
}

/* What We Do Section */
.what-we-do {
    padding: 6rem 0;
    background-color: #f9f9f9;
}

.what-we-do-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.what-we-do-text {
    flex: 1;
}

.what-we-do-text p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.what-we-do-text ul {
    list-style-type: none;
    padding-left: 0;
}

.what-we-do-text li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

.what-we-do-text li::before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.what-we-do-image {
    flex: 1;
}

.what-we-do-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Services Section */
.services {
    padding: 6rem 0;
    background-color: #fff;
}

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

.service-item {
    text-align: center;
    padding: 2rem;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.service-item h3 {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.service-item p {
    color: var(--color-text-light);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .what-we-do-content {
        flex-direction: column;
    }

    .what-we-do-image {
        order: -1;
        margin-bottom: 2rem;
    }
}

.what-we-do-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.what-we-do-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.what-we-do-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 3rem;
}

.what-we-do-text {
    flex: 1;
}

.what-we-do-text h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.what-we-do-text p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.what-we-do-text ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 1rem;
}

.what-we-do-text li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

.what-we-do-text li::before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.what-we-do-image {
    flex: 1;
    max-width: 50%;
}

.what-we-do-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .what-we-do-content {
        flex-direction: column;
        padding: 2rem;
    }

    .what-we-do-image {
        order: -1;
        max-width: 100%;
        margin-bottom: 2rem;
    }
}