/* ========================================
   PRO SITE MANAGEMENT LTD - CSS Styles
   Modern, Professional, Responsive Design
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ========== Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

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

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

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

/* ========== Navigation ========== */
.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-menu li a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* ========== Sections ========== */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 3rem;
}

.alt-bg {
    background-color: var(--bg-light);
}

/* ========== Welcome Section ========== */
.welcome-section {
    padding: 5rem 0;
}

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

.welcome-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

.welcome-text .section-title {
    text-align: left;
}

.welcome-text .section-description {
    text-align: left;
    margin: 0;
}

/* ========== Services Section ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

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

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* ========== FAQ Section ========== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.25rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--bg-light);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.25rem 1.25rem;
}

/* ========== Testimonial Section ========== */
.testimonial-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 5rem 0;
    position: relative;
}

.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.testimonial-image {
    margin-bottom: 2rem;
}

.testimonial-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.quote-icon {
    font-size: 5rem;
    opacity: 0.3;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    margin: 2rem 0;
    color: white;
}

.testimonial-author {
    font-weight: 600;
    color: white;
}

/* ========== Contact Form ========== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ========== Page Header ========== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ========== Service Detail Pages ========== */
.service-detail {
    padding: 5rem 0;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.service-detail-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

.service-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.service-detail h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.service-detail p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    margin-top: 2rem;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.service-features h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-features ul {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-dark);
}

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

/* ========== CTA Section ========== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
    padding: 5rem 0;
}

.cta-section h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* ========== About Page Styles ========== */
.about-section {
    padding: 5rem 0;
}

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

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.125rem;
    line-height: 1.8;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

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

.icon-circle {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.icon-circle svg {
    width: 50px;
    height: 50px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.why-choose-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.why-choose-item {
    text-align: center;
}

.number-circle {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.expertise-areas ul {
    list-style: none;
    max-width: 600px;
    margin: 2rem auto;
    padding: 0;
}

.expertise-areas li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--bg-white);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    color: var(--text-dark);
}

/* ========== Contact Page Styles ========== */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-info-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
}

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

.contact-info-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.form-success {
    background-color: var(--success-color);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
}

.form-error {
    background-color: var(--error-color);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
}

.form-error p,
.form-success p {
    margin: 0;
    font-weight: 500;
}

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

.business-hours {
    max-width: 500px;
    margin: 2rem auto;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.hours-item .day {
    font-weight: 600;
    color: var(--text-dark);
}

.hours-item .time {
    color: var(--text-light);
}

.hours-note {
    text-align: center;
    font-size: 0.875rem;
    margin-top: 2rem;
    font-style: italic;
}

.map-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    padding: 4rem 2rem;
    text-align: center;
    color: white;
    margin-top: 2rem;
}

.map-content h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.faq-quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.faq-link-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-decoration: none;
}

.faq-link-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.faq-link-card h3 {
    color: var(--text-dark);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.faq-link-card p {
    color: var(--primary-color);
    font-size: 0.95rem;
}

/* ========== Footer ========== */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    margin-bottom: 3rem;
}

.footer-about h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.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;
}

/* ========== Location Section ========== */
.location-section {
    background-color: var(--bg-light);
    padding: 3rem 0;
    text-align: center;
}

.location-info {
    font-size: 1.125rem;
    color: var(--text-light);
}

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

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin-bottom: 1.5rem;
    }
    
    /* Hero */
    .hero {
        height: 400px;
    }
    
    /* Sections */
    section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    /* Grids */
    .services-grid,
    .values-grid,
    .contact-info-grid,
    .faq-quick-links {
        grid-template-columns: 1fr;
    }
    
    .mission-vision-grid,
    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Image grids for mobile */
    .welcome-content,
    .service-detail-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-detail-image,
    .about-image,
    .welcome-image {
        order: -1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .logo h1 {
        font-size: 1rem;
    }
}