/* styles.css */
:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --secondary: #6c757d;
    --light: #f8f9fa;
    --dark: #212529;
    --white: #ffffff;
    --black: #000000;
    --gray: #6c757d;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0,0,0,0.1);
    --section-padding: 80px 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary);
    margin: 0.5rem auto;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.text-center {
    text-align: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.navbar.scrolled .logo {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--dark);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

.navbar.scrolled .menu-toggle {
    color: var(--dark);
}

/* Header / Slider */
.header {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

.slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.header-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    width: 90%;
}

.header-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInDown 1s ease;
}

.header-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease;
}

.header-content .btn {
    animation: fadeIn 1s ease 0.5s both;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Services */
.services {
    background-color: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.service-card h3 {
    margin-bottom: 10px;
    color: var(--primary);
}

/* Culture Section */
.culture {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('assets/images/image4.png') center/cover fixed;
    color: var(--white);
    text-align: center;
}

.culture .section-title,
.culture .section-subtitle {
    color: var(--white);
}

.culture .section-title::after {
    background: var(--white);
}

.culture .btn {
    background: transparent;
    border: 2px solid var(--white);
    margin-top: 20px;
}

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

/* Process */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.process-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.process-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.process-card h3 {
    margin-bottom: 10px;
    color: var(--primary);
}

/* Portfolio */
.portfolio {
    background-color: var(--light);
}

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

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.portfolio-img {
    height: 250px;
    overflow: hidden;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-info h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.portfolio-info p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,110,253,0.25);
}

.contact-info {
    font-size: 1.1rem;
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    color: var(--primary);
    width: 20px;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

/* Scroll Reveal */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .contact-info {
        order: -1;
        text-align: center;
    }
    .contact-info p {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        gap: 15px;
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-links a {
        color: var(--dark);
    }
    .navbar.scrolled .nav-links {
        background: var(--white);
    }
    .header-content h1 {
        font-size: 2.5rem;
    }
    .header-content p {
        font-size: 1.2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .section-subtitle {
        font-size: 1rem;
    }
}