/* ============================================
   DATAGO - Main Stylesheet
   Software Development & Odoo Implementation
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #E85D24;
    --primary-dark: #c94d1c;
    --primary-light: #ff6b35;
    --dark-bg: #4A5568;
    --darker-bg: #3d4555;
    --darkest-bg: #2d3748;
    --white: #FFFFFF;
    --light-gray: #f7f8f9;
    --medium-gray: #e2e8f0;
    --text-dark: #2d3748;
    --text-light: #718096;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--dark-bg);
}

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 10px 0;
}

.header.scrolled .nav-link {
    color: var(--text-dark);
}

.header.scrolled .logo-light {
    display: none;
}

.header.scrolled .logo-dark {
    display: block;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 45px;
}

.logo-dark {
    display: none;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 5px 0;
}

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

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

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

.header.scrolled .nav-link:hover {
    color: var(--primary-color);
}

/* Language Switcher */
.lang-switch {
    display: flex;
    gap: 10px;
    margin-left: 20px;
}

.lang-btn {
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.header.scrolled .lang-btn {
    color: var(--text-dark);
    border-color: var(--medium-gray);
}

.header.scrolled .lang-btn.active,
.header.scrolled .lang-btn:hover {
    color: var(--white);
    border-color: var(--primary-color);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
}

.header.scrolled .menu-toggle span {
    background: var(--text-dark);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darkest-bg) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('../img/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
}

.hero-subtitle {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.hero-subtitle::before {
    content: '';
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.hero-title {
    color: var(--white);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero-title span {
    color: var(--primary-color);
}

.hero-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Floating Elements Animation */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.floating-element {
    position: absolute;
    background: var(--primary-color);
    opacity: 0.1;
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
}

.floating-element:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: 20%;
    right: 25%;
    animation-delay: 5s;
}

.floating-element:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 5%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-subtitle {
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-title {
    color: var(--text-dark);
    margin-bottom: 20px;
}

.section-title span {
    color: var(--primary-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 8px;
    z-index: -1;
}

.about-stats {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--primary-color);
    color: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.about-content h3 {
    margin-bottom: 20px;
}

.about-content p {
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-feature i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card:hover .service-icon {
    transform: rotateY(180deg);
}

.service-card h4 {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 12px;
}

/* ============================================
   PROJECTS/PORTFOLIO SECTION
   ============================================ */
.projects {
    padding: 100px 0;
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(232, 93, 36, 0.95), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-category {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.project-title {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--text-dark);
    color: var(--white);
}

/* ============================================
   WHY CHOOSE US SECTION
   ============================================ */
.why-us {
    padding: 100px 0;
    background: var(--dark-bg);
    color: var(--white);
}

.why-us .section-subtitle {
    color: var(--primary-color);
}

.why-us .section-title {
    color: var(--white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.why-us-card {
    text-align: center;
    padding: 20px;
}

.why-us-icon {
    width: 100px;
    height: 100px;
    background: rgba(232, 93, 36, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.why-us-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.why-us-card:hover .why-us-icon {
    background: var(--primary-color);
}

.why-us-card:hover .why-us-icon i {
    color: var(--white);
}

.why-us-card h4 {
    color: var(--white);
    margin-bottom: 15px;
}

.why-us-card p {
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--light-gray);
}

.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    background: var(--white);
    padding: 50px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    display: none;
}

.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.testimonial-quote {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.testimonial-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info h5 {
    color: var(--text-dark);
    margin-bottom: 5px;
}

.testimonial-info span {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--medium-gray);
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* ============================================
   CLIENTS/PARTNERS SECTION
   ============================================ */
.clients {
    padding: 80px 0;
    background: var(--white);
}

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

.client-logo {
    max-width: 150px;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: var(--transition);
}

.client-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.contact-item h5 {
    color: var(--text-dark);
    margin-bottom: 5px;
}

.contact-item p {
    margin-bottom: 0;
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--medium-gray);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    text-align: center;
}

.cta h2 {
    color: var(--white);
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 35px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--darkest-bg);
    color: var(--white);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about .logo {
    margin-bottom: 25px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

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

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--primary-color);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }

    .hero-title {
        font-size: 3rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        color: var(--text-dark);
        padding: 15px 0;
        border-bottom: 1px solid var(--medium-gray);
    }

    .lang-switch {
        margin-left: 0;
        margin-top: 15px;
    }

    .lang-btn {
        color: var(--text-dark);
        border-color: var(--medium-gray);
    }

    .menu-toggle {
        display: flex;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .hero-buttons {
        flex-direction: column;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .about-stats {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 20px;
    }

    .testimonial-card {
        padding: 30px 20px;
    }

    .cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.bg-primary { background-color: var(--primary-color); }
.bg-dark { background-color: var(--dark-bg); }
.mt-50 { margin-top: 50px; }
.mb-50 { margin-bottom: 50px; }