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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-100);
    background-color: var(--bg-100);
}

/* Variables */
:root {
    --primary-100: #3F51B5;
    --primary-200: #757de8;
    --primary-300: #dedeff;
    --accent-100: #2196F3;
    --accent-200: #003f8f;
    --text-100: #333333;
    --text-200: #5c5c5c;
    --bg-100: #FFFFFF;
    --bg-200: #f5f5f5;
    --bg-300: #cccccc;
}

/* Header Section */
header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 10px 0;
    z-index: 10;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

nav #logo {
    width: 70px;
    cursor: pointer;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--text-100);
    text-decoration: none;
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--accent-100);
}

/* Hero Section */
#hero {
    position: relative;
    height: 100vh;
    background: url('background-video.mp4') no-repeat center center fixed;
    background-size: cover;
}

#hero video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.5rem;
    margin: 20px 0;
}

/* .cta-btn {
    background-color: var(--accent-100);
    padding: 10px 20px;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
}

.cta-btn:hover {
    background-color: var(--primary-200);
} */

.cta-btn {
    background-color: var(--accent-100);
    padding: 10px 20px;
    color: white;
    text-decoration: none;
    border-radius: 25px;  /* Makes the button fully rounded */
    font-weight: 600;
    display: inline-block;
    transition: background-color 0.3s;
}

.cta-btn:hover {
    background-color: var(--primary-200);
}


/* About Section */
.section {
    padding: 50px 20px;
    text-align: center;
    background-color: var(--bg-200);
}

.features {
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
}

.feature {
    width: 30%;
}

.feature img {
    width: 50px;
    height: 50px;
}

.feature h3 {
    margin-top: 15px;
    font-size: 1.5rem;
    color: var(--primary-100);
}

.feature p {
    margin-top: 10px;
    color: var(--text-200);
}

/* Services Section */
.cards {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.card {
    background-color: var(--bg-100);
    border-radius: 10px;
    padding: 20px;
    width: 30%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.card img {
    width: 50px;
    height: 50px;
}

.card:hover {
    transform: translateY(-10px);
}

.card a {
    text-decoration: none;
    color: var(--primary-100);
    font-weight: 500;
    margin-top: 10px;
    display: inline-block;
}

/* Technology Section */
#technology {
    background-color: var(--bg-100);
}

.mining-process {
    margin-top: 20px;
    text-align: center;
}

.mining-process img {
    width: 80%;
}

/* Testimonials Section */
.testimonial-slider {
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
}

.testimonial {
    text-align: center;
    width: 40%;
}

.testimonial img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 15px;
}

/* FAQ Section */
.accordion {
    margin-top: 20px;
}

.accordion-item {
    margin-bottom: 15px;
}

.accordion-btn {
    background-color: var(--primary-200);
    padding: 15px;
    width: 100%;
    text-align: left;
    font-size: 1.1rem;
    color: var(--text-100);
    border: none;
    cursor: pointer;
}

.accordion-btn:hover {
    background-color: var(--primary-100);
}

.accordion-content {
    padding: 15px;
    background-color: var(--bg-200);
    text-align: left;
    display: none;
}

/* Contact Section */
.contact-form {
    background-color: var(--bg-100);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 50%;
    margin: auto;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid var(--bg-300);
}

.contact-details {
    text-align: center;
    margin-top: 30px;
}

.social-media {
    margin-top: 10px;
}

.social-media a {
    margin: 0 10px;
    text-decoration: none;
    color: var(--text-100);
}

.social-media a:hover {
    color: var(--accent-100);
}

/* Footer Section */
footer {
    background-color: var(--bg-200);
    padding: 20px;
    text-align: center;
}

footer a {
    text-decoration: none;
    color: var(--text-100);
}

footer a:hover {
    color: var(--accent-100);
}