/* ===== DUA ENTERPRISE - Modern Business Website ===== */
/* ===== CSS Stylesheet ===== */

:root {
    --primary: #1a3a5c;
    --primary-dark: #0f2440;
    --primary-light: #2c5f8a;
    --secondary: #e8a838;
    --secondary-light: #f0c060;
    --accent: #e74c3c;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --text-white: #ffffff;
    --shadow: 0 5px 25px rgba(0,0,0,0.1);
    --shadow-hover: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

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

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

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--secondary);
    margin: 10px auto 0;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(232, 168, 56, 0.4);
}

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

.btn-outline:hover {
    background: var(--text-white);
    color: var(--primary);
    transform: translateY(-2px);
}

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

.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 58, 92, 0.3);
}

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0,0,0,0.12);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-weight: 900;
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}

.logo-text span {
    color: var(--secondary);
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    object-fit: cover;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

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

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

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

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

.nav-links .btn {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(232, 168, 56, 0.08);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(5deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.2rem;
    color: var(--text-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text h1 span {
    color: var(--secondary);
}

.hero-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image svg {
    width: 100%;
    max-width: 550px;
    height: auto;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--text-white);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(232, 168, 56, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(232, 168, 56, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--secondary);
}

.service-card:hover .service-icon svg path,
.service-card:hover .service-icon svg circle,
.service-card:hover .service-icon svg rect {
    fill: var(--text-white) !important;
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-card .btn {
    font-size: 0.85rem;
    padding: 10px 22px;
}

/* ===== FEATURES / ABOUT PREVIEW ===== */
.about-preview {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image svg {
    width: 100%;
    max-width: 500px;
    height: auto;
}

.about-text h2 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text h2 span {
    color: var(--secondary);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.features-list {
    list-style: none;
    margin-top: 25px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1rem;
}

.features-list li svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* ===== STATS SECTION ===== */
.stats {
    background: var(--primary);
    padding: 60px 0;
}

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

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 5px;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 500;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--bg-light);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--text-white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary);
}

.testimonial-card .stars {
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.testimonial-card p {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author .avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-weight: 700;
    font-size: 1.2rem;
}

.testimonial-author .name {
    font-weight: 700;
    color: var(--primary);
}

.testimonial-author .role {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ===== CTA BANNER ===== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    text-align: center;
    padding: 60px 0;
}

.cta-banner h2 {
    font-size: 2.2rem;
    color: var(--text-white);
    margin-bottom: 15px;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.cta-banner .btn {
    font-size: 1.05rem;
    padding: 15px 40px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about h3 {
    color: var(--text-white);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.footer-about p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
}

.footer h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--secondary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

/* ===== INNER PAGE HERO ===== */
.page-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 140px 0 60px;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.8rem;
    color: var(--text-white);
    margin-bottom: 10px;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.breadcrumb {
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ===== ABOUT PAGE ===== */
.about-content {
    padding: 80px 0;
}

.about-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-detail.reverse {
    direction: rtl;
}

.about-detail.reverse > * {
    direction: ltr;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
}

.mv-card {
    padding: 35px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-top: 4px solid var(--secondary);
}

.mv-card h3 {
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mv-card p {
    color: var(--text-light);
}

/* ===== SERVICES PAGE ===== */
.service-detail {
    padding: 80px 0;
}

.service-detail-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
    padding: 40px;
    background: var(--text-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.service-detail-card.reverse {
    direction: rtl;
}

.service-detail-card.reverse > * {
    direction: ltr;
}

.service-detail-text h2 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.service-detail-text p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.service-detail-text ul {
    list-style: none;
    margin-bottom: 20px;
}

.service-detail-text ul li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 8px;
    color: var(--text-light);
}

.service-detail-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

.service-image svg {
    width: 100%;
    max-width: 400px;
    height: auto;
}

/* ===== CONTACT PAGE ===== */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-details {
    list-style: none;
}

.contact-details li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-details li svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 3px;
}

.contact-details li h4 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 3px;
}

.contact-details li p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--text-white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    background: var(--text-white);
    box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

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

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin: 0 auto 35px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        order: -1;
    }

    .features-list li {
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

    .about-detail,
    .service-detail-card {
        grid-template-columns: 1fr;
        text-align: center;
        direction: ltr !important;
    }

    .service-detail-card.reverse {
        direction: ltr !important;
    }

    .service-detail-text ul li {
        text-align: left;
    }

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

    .mission-vision {
        grid-template-columns: 1fr;
    }

    .page-hero h1 {
        font-size: 2.2rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background: var(--text-white);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

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

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

    .section {
        padding: 50px 0;
    }

    .service-detail-card {
        padding: 25px;
    }

    .contact-form {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }

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

    .stat-item h3 {
        font-size: 2rem;
    }

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