:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --text-color: #333;
    --light-gray: #f5f6fa;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav__links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav__links a:hover {
    color: var(--secondary-color);
}

/* Call Button */
.nav__call-btn {
    display: none; /* Hide by default on desktop */
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: none;
    color: var(--primary-color);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 0.5rem;
}

.nav__call-btn:hover {
    transform: translateY(-2px);
}

.nav__call-icon {
    font-size: 1.5rem;
}

.nav__call-text {
    display: none;
}

/* Mobile Menu Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav__toggle span {
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* Hamburger Animation */
.nav__toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--white);
    z-index: 1000;
    padding: 6rem 2rem 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu__links {
    list-style: none;
    margin-bottom: 2rem;
}

.mobile-menu__links li {
    margin-bottom: 1.5rem;
}

.mobile-menu__links a {
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.mobile-menu__contacts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-menu__contact {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

.mobile-menu__icon {
    font-size: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal__content {
    position: relative;
    width: 90%;
    height: 90%;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.modal__close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
}

.modal__prev,
.modal__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    padding: 1rem;
    border-radius: 50%;
    transition: var(--transition);
}

.modal__prev:hover,
.modal__next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal__prev {
    left: 20px;
}

.modal__next {
    right: 20px;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('img/Nata.jpeg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero__content {
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero__subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn--primary {
    background: var(--secondary-color);
    color: var(--white);
}

.btn--primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* Portfolio Section */
.portfolio {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.portfolio h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.gallery {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 0 1rem;
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
}

.gallery__item:hover {
    transform: translateY(-5px);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery__item:hover img {
    transform: scale(1.05);
}

/* About Section */
.about {
    padding: 5rem 2rem;
}

.about__content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.about__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__text h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.about__text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 5rem 2rem;
    background: var(--light-gray);
    text-align: center;
}

.contact h2 {
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contact__links {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: var(--white);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact__link:hover {
    transform: translateY(-2px);
    background: var(--secondary-color);
    color: var(--white);
}

.contact__icon {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    background: var(--primary-color);
    color: var(--white);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }

    .nav__links {
        display: none;
    }

    .nav__call-btn {
        display: flex;
    }

    .nav__call-icon {
        font-size: 1.5rem;
    }

    .modal__prev,
    .modal__next {
        padding: 0.5rem;
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero__subtitle {
        font-size: 1.2rem;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__content, .gallery__item, .about__content, .contact__links {
    animation: fadeIn 1s ease-out;
}