:root {
    --primary-color: #01f1fe;
    --secondary-color: #4aa1ec;
    --accent-color: #fc5c7d;
    --text-color: #333333;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-light);
}

h1, h2, h3 {
    margin-bottom: 1rem;
    color: #222;
}

p {
    margin-bottom: 1rem;
}

hr {
    border: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    width: 60px;
    margin: 1.5rem auto;
    border-radius: 5px;
}

a {
    text-decoration: none;
}

/* Typography */
h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; text-align: center; }
h3 { font-size: 1.4rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: var(--white);
    font-weight: bold;
    border-radius: 25px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(74, 161, 236, 0.3);
    transition: var(--transition);
    font-size: 1.2rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(74, 161, 236, 0.5);
}

/* Layout */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 10%;
    background: linear-gradient(135deg, rgba(1, 241, 254, 0.1), rgba(74, 161, 236, 0.1));
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    padding-left: 3rem;
}

.hero-content h1 {
    color: var(--secondary-color);
}

.hero-content hr {
    margin: 1.5rem 0;
}

.highlight {
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Sections */
section {
    padding: 5rem 10%;
}

.about {
    background-color: var(--white);
    text-align: center;
}

.features-list {
    display: flex;
    justify-content: center;
    gap: 5rem;
    margin-top: 3rem;
}

.features-list ul {
    list-style: none;
    text-align: right;
    font-size: 1.2rem;
}

.features-list li {
    margin-bottom: 1rem;
    position: relative;
    padding-right: 2rem;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    right: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Grids */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-bottom: 4px solid var(--secondary-color);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: var(--secondary-color);
}

/* Form */
.contact {
    text-align: center;
    background: linear-gradient(135deg, rgba(1, 241, 254, 0.05), rgba(74, 161, 236, 0.05));
}

form {
    max-width: 600px;
    margin: 3rem auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

input, textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1.1rem;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 161, 236, 0.15);
}

.contact h3 {
    margin-top: 4rem;
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 5%;
    }
    .hero-content {
        padding-left: 0;
        margin-bottom: 3rem;
    }
    .hero-content hr {
        margin: 1.5rem auto;
    }
    .features-list {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    section {
        padding: 3rem 5%;
    }
}

/* Popup */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.popup-content {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.close-popup {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}