/* =====================================================
   Modern LPL Website Styles - 2024
   ===================================================== */

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

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

body {
    font-family: var(--font-family-base);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-light);
    overflow-x: hidden;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
    border-radius: var(--rounded);
    font-weight: 500;
}

.skip-link:focus {
    top: 6px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
}

p {
    margin-bottom: var(--spacing-4);
    color: var(--text-light);
}

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

a:hover {
    color: var(--primary-dark);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: 2px solid transparent;
    border-radius: var(--rounded-lg);
    font-weight: 600;
    font-size: var(--text-base);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    color: white;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border-color: var(--border-light);
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--spacing-2);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--rounded-full);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 50%, #1d4ed8 100%);
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59,130,246,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(147,197,253,0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    padding: var(--spacing-20) 0;
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 700;
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
    color: white;
}

.hero-subtitle {
    display: block;
    font-size: var(--text-xl);
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-2);
}

.hero-description {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

/* Hero-specific button styles for better contrast */
.hero-section .btn-primary {
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
}

.hero-section .btn-primary:hover {
    background: var(--background-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.hero-section .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.hero-section .btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.8);
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--rounded-2xl);
    box-shadow: var(--shadow-large);
    transform: rotate(2deg);
    transition: var(--transition-normal);
}

.hero-image:hover img {
    transform: rotate(0deg) scale(1.05);
}

.hero-image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    opacity: 0.3;
    z-index: -1;
}

/* About Section */
.about-section {
    padding: var(--spacing-24) 0;
    background: var(--background-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.about-main h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--primary-color);
}

.about-main p {
    margin-bottom: var(--spacing-4);
    font-size: var(--text-lg);
}

.values-content {
    margin-top: var(--spacing-8);
    display: none;
    animation: slideDown 0.3s ease-out;
}

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

.value-item {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-4);
    background: var(--background-light);
    border-radius: var(--rounded-xl);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-normal);
}

.value-item:hover {
    transform: translateX(var(--spacing-2));
    box-shadow: var(--shadow-medium);
}

.value-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: var(--rounded-lg);
}

.value-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-2);
    color: var(--primary-color);
}

.value-content p {
    margin: 0;
    font-size: var(--text-sm);
}

.about-image {
    position: relative;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--rounded-3xl);
    box-shadow: var(--shadow-large);
}

.about-image-decoration {
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    border-radius: var(--rounded-3xl);
    opacity: 0.2;
    z-index: -1;
}

/* Services Section */
.services-section {
    padding: var(--spacing-24) 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--background-white);
    padding: var(--spacing-8);
    border-radius: var(--rounded-2xl);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--rounded-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.service-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-4);
    color: var(--primary-color);
}

.service-card p {
    margin-bottom: var(--spacing-6);
}

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

.service-features li {
    padding: var(--spacing-2) 0;
    position: relative;
    padding-left: var(--spacing-6);
    color: var(--text-light);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Clients Section */
/* Clients Section */
.clients-section {
    padding: var(--spacing-24) 0;
    background: linear-gradient(180deg, var(--background-white) 0%, var(--background-light) 100%);
    position: relative;
    overflow: hidden;
}

.clients-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.clients-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
    align-items: center;
}

.client-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    background: white;
    border-radius: var(--rounded-2xl);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-height: 160px;
    border: 1px solid var(--border-light);
}

.client-logo-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--rounded-2xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.client-logo-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.client-logo-item:hover::before {
    opacity: 1;
}

.client-logo-item img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.client-logo-item:hover img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .clients-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }
    
    .client-logo-item {
        padding: var(--spacing-6);
        min-height: 120px;
    }
    
    .client-logo-item img {
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .clients-showcase {
        grid-template-columns: 1fr;
    }
}

.trust-indicators {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
    max-width: 600px;
    margin: 0 auto;
}

.trust-item {
    text-align: center;
    padding: var(--spacing-6);
    background: var(--background-light);
    border-radius: var(--rounded-xl);
}

.trust-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
}

.trust-label {
    color: var(--text-light);
    font-size: var(--text-sm);
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-24) 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.contact-info h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--primary-color);
}

.contact-intro {
    margin-bottom: var(--spacing-8);
    font-size: var(--text-lg);
}

.info-items {
    margin-bottom: var(--spacing-8);
}

.info-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-6);
    background: var(--background-white);
    border-radius: var(--rounded-xl);
    box-shadow: var(--shadow-light);
}

.info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--rounded-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-2);
    color: var(--primary-color);
}

.info-content p {
    margin: 0;
    color: var(--text-light);
}

.social-links h4 {
    margin-bottom: var(--spacing-4);
    color: var(--primary-color);
}

.social-icons {
    display: flex;
    gap: var(--spacing-4);
}

.social-icons a {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--rounded-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.social-icons a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form {
    background: var(--background-white);
    padding: var(--spacing-8);
    border-radius: var(--rounded-2xl);
    box-shadow: var(--shadow-medium);
}

.contact-form h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-2);
    color: var(--primary-color);
}

.form-description {
    margin-bottom: var(--spacing-8);
    color: var(--text-light);
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 2px solid var(--border-light);
    border-radius: var(--rounded-lg);
    font-size: var(--text-base);
    transition: var(--transition-fast);
    background: var(--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(30, 64, 175, 0.1);
}

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

.error-message {
    display: block;
    color: #ef4444;
    font-size: var(--text-sm);
    margin-top: var(--spacing-1);
}

.form-submit {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--text-lg);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    color: rgba(255,255,255,0.9);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-12);
}

.footer-brand h3 {
    color: white;
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-4);
}

.footer-brand p {
    margin-bottom: var(--spacing-6);
    color: rgba(255,255,255,0.8);
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    color: white;
    border-radius: var(--rounded-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--primary-color);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-4);
    font-size: var(--text-lg);
}

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

.footer-column li {
    margin-bottom: var(--spacing-2);
}

.footer-column a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-6);
    text-align: center;
}

.footer-copyright p {
    margin-bottom: var(--spacing-2);
    color: rgba(255,255,255,0.6);
}

.footer-dev {
    color: rgba(255,255,255,0.8);
}

/* Responsive Design */
@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .service-card:nth-child(n+6) {
        grid-column: span 1;
    }
    
    .service-card:nth-child(6) {
        grid-column: 1 / 3;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .service-card:nth-child(7) {
        grid-column: 3 / 4;
    }
}

@media (min-width: 1400px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .service-card:nth-child(n) {
        grid-column: span 1;
        max-width: none;
        margin: 0;
    }
}

@media (max-width: 1024px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .hero-content {
        text-align: center;
    }
    
    .main-client {
        flex-direction: column;
        text-align: center;
    }
    
    .client-info {
        text-align: center;
    }
    
    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-5);
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.875rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-indicators {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .section-header {
        margin-bottom: var(--spacing-12);
    }
    
    .hero-section,
    .about-section,
    .services-section,
    .clients-section,
    .contact-section {
        padding: var(--spacing-16) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .btn {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--text-sm);
    }
    
    .main-client {
        padding: var(--spacing-6);
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .contact-form,
    .service-card {
        padding: var(--spacing-6);
    }
}

/* Form Messages */
.form-message {
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    border-radius: var(--rounded-lg);
    font-weight: 500;
    transition: opacity 0.3s ease;
}

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

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

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.hero-content,
.about-content,
.services-grid,
.clients-content,
.contact-content {
    animation: fadeInUp 0.8s ease-out;
}

/* Print Styles */
@media print {
    .header,
    .hero-section,
    .footer {
        display: none;
    }
    
    .about-section,
    .services-section,
    .contact-section {
        padding: var(--spacing-4) 0;
        page-break-inside: avoid;
    }
}