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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Teal Color Theme */
:root {
    --primary-teal: #008080;
    --light-teal: #e0f2f1;
    --white: #ffffff;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f0fdfa 0%, #ffffff 100%);
    padding: 4rem 0;
}

.hero-image > div {
    padding: 2rem;
    width: 100%;
    aspect-ratio: 3/4;
}

/* Profile Card */
.profile-card > div {
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #e0f2f1 0%, #b2dfdb 100%);
    width: 100%;
}

/* Programs Section */
.programs-section {
    background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
}

.program-card {
    border-color: #e0f2f1 !important;
    transition: box-shadow 0.3s ease;
}

.program-card:hover {
    box-shadow: 0 8px 20px rgba(0, 128, 128, 0.15);
    transform: translateY(-4px);
}

/* Reviews Section */
.review-card {
    border-color: #e0f2f1 !important;
    transition: box-shadow 0.3s ease;
}

.review-card:hover {
    box-shadow: 0 6px 15px rgba(0, 128, 128, 0.15);
}

/* Demo Section */
.demo-section {
    background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
}

.video-container {
    width: 100%;
    aspect-ratio: 16/9;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0f2f1 0%, #80cbc4 100%);
}

.play-button {
    width: 80px;
    height: 80px;
    background-color: #008080;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 128, 128, 0.3);
}

.video-label {
    font-size: 0.9rem;
}

/* Hover Effects */
nav a:hover {
    color: #008080 !important;
}

footer a:hover {
    opacity: 0.7 !important;
}

.btn:hover {
    opacity: 0.9;
}

/* Form Styling */
.form-control:focus {
    border-color: #008080 !important;
    box-shadow: 0 0 0 0.25rem rgba(0, 128, 128, 0.25) !important;
}

/* Badge Styling */
.badge {
    font-weight: 500;
}

/* Card Hover Effects */
.card {
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section,
    .programs-section,
    .demo-section {
        padding: 3rem 0;
    }

    .hero-image > div {
        aspect-ratio: 1/1;
    }

    .profile-card > div {
        padding: 2rem 1.5rem;
    }

    .display-4 {
        font-size: 2rem;
    }

    .display-5 {
        font-size: 2.5rem;
    }

    .display-6 {
        font-size: 1.75rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #008080;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #006666;
}

/* Utility Classes */
.text-white-80 {
    color: rgba(255, 255, 255, 0.8) !important;
}

.bg-opacity-75 {
    --bs-bg-opacity: 0.75;
}

/* Sticky Footer */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Button Styling */
.btn-outline-dark:hover {
    background-color: #e0f2f1;
    border-color: #008080;
    color: #008080;
}

/* Section Spacing */
section {
    padding: 4rem 0;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
}

/* Text Selection */
::selection {
    background-color: #008080;
    color: white;
}

/* Focus States */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #008080;
    outline-offset: 2px;
}