:root {
    --primary-color: #1ce675;
    --secondary-color: #fff;
    --dark-bg: #000000;
    --card-bg: #111111;
    --text-color: #f0f0f0;
    --heading-color: #fff;
    --shadow-light: rgba(28, 230, 117, 0.2);
    --shadow-dark: rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
    overflow-x: hidden;
}

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

.header {
    background-color: var(--dark-bg);
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
    box-shadow: 0 2px 10px var(--shadow-dark);
    padding: 20px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 40px;
}

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

.nav-links li {
    margin-left: 30px;
}

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

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

.contact-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    color: var(--primary-color) !important;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.contact-btn:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg) !important;
}

.burger-menu {
    display: none;
    cursor: pointer;
}

.burger-menu .line {
    width: 30px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 6px 0;
    transition: all 0.3s ease;
}

.burger-menu.active .line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.burger-menu.active .line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--secondary-color);
    padding-top: 80px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease-in-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-in-out;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeIn 1.5s ease-in-out;
}

.btn {
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.section-heading {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 5rem;
    position: relative;
    color: var(--heading-color);
}

.section-heading::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 15px auto 0;
}

.services-section,
.about-section,
.portfolio-section,
.contact-section {
    padding: 120px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    display: block;
    background-color: var(--card-bg);
    padding: 40px 20px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 8px 20px var(--shadow-dark);
    border: 1px solid transparent;
    transition: transform 0.1s ease, border 0.4s ease;
}

.service-card:hover {
    transform: translateY(-15px) !important;
    border: 1px solid #1ce675;
}

.card-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--heading-color);
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
}

.about-text {
    flex: 2;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image-wrapper {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 20px var(--shadow-dark);
}

.about-image-wrapper img {
    width: 100%;
    display: block;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 8px 20px var(--shadow-dark);
    border: 2px solid #1ce675;
}

.portfolio-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease-in-out;
}

.item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.portfolio-item:hover .item-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.item-overlay h3,
.item-overlay p {
    color: var(--primary-color);
    text-align: center;
}

.contact-wrapper {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    background-color: var(--card-bg);
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 8px 20px var(--shadow-dark);
}

.contact-form {
    flex: 1 0 50%;
}

.contact-form input,
.contact-form textarea {
    width: 100% !important;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 5px;
    background-color: var(--dark-bg);
    color: var(--text-color);
    outline: none;
    transition: all 0.125s ease;
    font-family: 'Montserrat', sans-serif;
    resize: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border: 1px solid #1ce675;
}


.contact-info {
    flex: 1 0 30%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-info p {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 2rem;
}

.contact-info i {
    color: var(--primary-color);
    font-size: 2rem;
    margin-left: 15px;
}

.contact-info a {
    text-decoration: none;
    color: #f0f0f0;
}

.social-icons {
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.social-icons a {
    color: var(--secondary-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

.footer {
    background-color: var(--card-bg);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid #222;
}

.reveal-item {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.reveal-item.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .section-heading {
        font-size: 2.5rem;
    }

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .about-content {
        gap: 30px;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        background-color: var(--dark-bg);
        position: absolute;
        top: 100px;
        left: 0;
        width: 100%;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 5px 15px var(--shadow-dark);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease-in-out;
    }

    .nav-links.active {
        display: flex;
        opacity: 1;
        pointer-events: all;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .burger-menu {
        display: block;
    }

    .contact-wrapper {
        display: flex;
        flex-direction: column;
        padding: 30px;
        gap: 40px;
    }

    .contact-form {
        flex: 1;
    }

    .contact-info {
        flex: 1;
    }

    .contact-info p {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 20px;
        margin-bottom: 20px;
        font-size: 1rem;
    }

    .contact-info i {
        margin-left: 0;
    }
}