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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    background: #0a0a0a;
    color: #fff;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 35, 50, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.menu-toggle {
    display: flex;
    flex-direction: row;
    align-items: center;
    cursor: pointer;
    gap: 10px;
    height: 25px;
}

.menu-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    line-height: 25px;
    margin: 0;
    padding: 0;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: 0.3s;
    display: block;
}

/* Sidenav */
.sidenav {
    position: fixed;
    top: 70px;
    right: -300px;
    width: 250px;
    height: calc(100vh - 70px);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    transition: 0.3s;
    padding: 2rem;
}

.sidenav.active {
    right: 0;
}

.sidenav a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 1rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.3s;
}

.sidenav a:hover {
    color: #4facfe;
    padding-left: 10px;
}

/* Parallax Sections */
.parallax-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.parallax-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, #1a2332 0%, transparent 100%);
    z-index: 10;
    pointer-events: none;
}

.parallax-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, transparent 0%, #1a2332 100%);
    z-index: 10;
    pointer-events: none;
}

.parallax-bg {
    position: absolute;
    top: -30%;
    left: 0;
    width: 100%;
    height: 160%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    z-index: 0;
}

/* Background images - Replace with your image URLs */
.section-1 .parallax-bg {
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('images/HoustonSkylineDay.jpg');
}

.section-2 .parallax-bg {
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('images/HoustonGalleria.jpg');
}

.section-3 .parallax-bg {
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('images/TexasMedicalCenter.jpg');
}

/* Content */
.content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 800px;
}

.content-section {
    background: #1a1a1a;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
}

#about {
    background: linear-gradient(135deg, #1a2332 0%, #1e2a3a 50%, #1a1f2e 100%);
}

#services {
    background: linear-gradient(135deg, #1e2838 0%, #232d3d 50%, #1a242f 100%);
}

.content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, rgba(26, 35, 50, 1) 0%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

.content-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, transparent 0%, rgba(26, 35, 50, 1) 100%);
    z-index: 1;
    pointer-events: none;
}

.content-section .inner {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #4facfe;
}

p {
    font-size: 1.3rem;
    line-height: 1.8;
    text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
}

.content-section p {
    text-shadow: none;
    color: #ddd;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(79, 172, 254, 0.4);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #1a1a1a;
    margin: 2% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover {
    color: #fff;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #fff;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #444;
    border-radius: 5px;
    background: #2a2a2a;
    color: #fff;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-group label,
.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: auto;
}

/* Footer */
footer {
    background: #1a2332;
    padding: 2rem;
    text-align: center;
}

footer p {
    font-size: 0.9rem;
    color: #888;
    margin: 0.5rem 0;
}

/* Toast Notification */
.toast {
    visibility: hidden;
    min-width: 400px;
    background-color: #2a2a2a;
    color: #fff;
    border-left: 5px solid #f44336;
    border-radius: 10px;
    padding: 1.5rem;
    position: fixed;
    z-index: 3000;
    left: 50%;
    top: 100px;
    transform: translateX(-50%);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
}

.toast.show {
    visibility: visible;
    animation: fadein 0.5s;
}

.toast-content p {
    margin: 0.5rem 0;
    font-size: 1rem;
}

.toast-content p:first-child {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.toast-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.2rem;
}

.toast-btn {
    flex: 1;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.toast-btn.cancel {
    background-color: #f44336;
    color: white;
}

.toast-btn.cancel:hover {
    background-color: #d32f2f;
}

.toast-btn.keep {
    background-color: #4facfe;
    color: white;
}

.toast-btn.keep:hover {
    background-color: #3a8fd9;
}

@keyframes fadein {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-text {
        display: none;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    p {
        font-size: 1.1rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .toast {
        min-width: 90%;
    }
}