/**
 * DelSolit Service - Main Stylesheet
 * Professional responsive design for corporate website
 * 
 * @author DelSolit Service Development Team
 * @version 1.0
 * @since 2024
 */

/* ===== CSS RESET & BASE STYLES ===== */
:root {
    --primary-color: #032264;
    --secondary-color: #ea9629;
    --accent-color: #1a83c2;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

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

.chat-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #032264, #0055ff);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  z-index: 10000;
  transition: transform 0.3s ease;
}

.chat-toggle:hover {
  transform: scale(1.1);
}


html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
    color: #2c3e50;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: #555;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    font-size: 1rem;
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-secondary:hover {
    background: #032264;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #333;
    border: 2px solid #ddd;
}

.btn-outline:hover {
    background: #333;
    color: white;
    border-color: #333;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar {
    padding: 0.2rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo h2 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    margin: 0;
}

.nav-logo a {
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: #333;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #032264;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    transition: width 0.3s ease;
}

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

.login-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.login-btn::after {
    display: none;
}

/* Mobile Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
    border-radius: 2px;
}

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

.hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.hero-placeholder {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    animation: float 6s ease-in-out infinite;
}

.tech-icon {
    font-size: 6rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== HISTORY SECTION ===== */
.history {
    padding: 80px 0;
    background: white;
}

.history-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.history-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #555;
}

.history-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.stat h3 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #666;
    font-weight: 500;
    margin: 0;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.service-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #032264;
    font-weight: bold;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: #032264;
    opacity: 0.3;
    font-family: serif;
}

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

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: #555;
    line-height: 1.6;
}

.testimonial-author h4 {
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    color: #032264;
    font-weight: 500;
    margin: 0;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 30px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
}

.contact .section-title {
    color: white;
    -webkit-text-fill-color: white;
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

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

.contact-cta h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.contact-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-cta .btn-primary {
    background: white;
    color: #032264;
    font-weight: 600;
}

.contact-cta .btn-primary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* ===== CONTACT PAGE STYLES ===== */
.contact-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    text-align: center;
}

.contact-hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.contact-form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-info-card,
.contact-form-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-card h2,
.contact-form-card h2 {
    margin-bottom: 2rem;
    color: #2c3e50;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-text h3 {
    color: #2c3e50;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-text p {
    color: #666;
    margin: 0;
}

.contact-services h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-services ul {
    list-style: none;
}

.contact-services li {
    padding: 0.5rem 0;
    color: #555;
}

/* ===== FORM STYLES ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 500;
}

.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: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: none;
}

/* ===== ALERT STYLES ===== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.additional-contact {
    padding: 60px 0;
    background: white;
    text-align: center;
}

.additional-contact-content h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.additional-contact-content p {
    color: #666;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */

.navbar-brand-footer img{
    width: 80px;
    height: 80px;

}
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #032264;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    /* Hero Section */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-placeholder {
        width: 300px;
        height: 300px;
    }

    .tech-icon {
        font-size: 4rem;
    }

    /* History Section */
    .history-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .history-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .stat {
        padding: 1.5rem 1rem;
    }

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

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

    .service-card {
        padding: 2rem;
    }

    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    /* Contact Page */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* Typography */
    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    /* Buttons */
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

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

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

    .section-title {
        font-size: 1.8rem;
    }

    .hero-placeholder {
        width: 250px;
        height: 250px;
    }

    .tech-icon {
        font-size: 3rem;
    }

    .service-card,
    .testimonial-card,
    .contact-info-card,
    .contact-form-card {
        padding: 1.5rem;
    }

    .history-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-hero h1 {
        font-size: 2rem;
    }

    .nav-logo h2 {
        font-size: 1.5rem;
    }
}

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

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

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

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #032264;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        border: 2px solid #000;
    }
    
    .btn-secondary {
        border-color: #000;
        color: #000;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .chat-widget,
    .btn,
    .hamburger {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
    }
    
    .hero,
    .services,
    .testimonials,
    .contact {
        page-break-inside: avoid;
    }
}