/**
 * Main Stylesheet
 * Dynamic Pairs - Core PHP Business Website
 */

:root {
    --primary-color: #27B427;
    --secondary-color: #D9363A;
    --accent-color: #6E3340;
    --dark-color: #1C1C1C;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --border-color: #e1e5e9;
    --white: #ffffff;
    --black: #000000;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-color) 0%, var(--accent-color) 100%);
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 30px rgba(0,0,0,0.2);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
}

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

a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
    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: left 0.5s;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-light);
}

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

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

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

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-brand .logo i {
    font-size: 28px;
}

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

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

.nav-link {
    color: var(--dark-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

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

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

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(28, 28, 28, 0.6);
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    max-width: 600px;
    color: var(--white);
    padding: 8rem 2rem 2rem 2rem;
    margin-left: 2rem;
    box-sizing: border-box;
}

.slide-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
    transform: translateY(0);
    opacity: 1;
}

.slide-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(0);
    opacity: 1;
}

.slide-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    transform: translateY(0);
    opacity: 1;
}

.slide-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

.slider-prev {
    left: 2rem;
}

.slider-next {
    right: 2rem;
}

.slider-prev,
.slider-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 3;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active,
.slider-dot:hover {
    background: var(--white);
    border-color: var(--white);
}

/* Progress Bar */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 3;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.1s linear;
}

/* Quick Actions Section */
.quick-actions-section {
    padding: 4rem 0;
    background: var(--light-gray);
}

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

.quick-action {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    text-decoration: none;
    color: var(--dark-color);
}

.quick-action:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    color: var(--dark-color);
}

.quick-action-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
    font-size: 2rem;
}

.quick-action h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.quick-action p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Services Section */
.services-section {
    padding: 6rem 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
}

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

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(28, 28, 28, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

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

.service-content {
    padding: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.service-description {
    color: var(--medium-gray);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--secondary-color);
    gap: 0.75rem;
}

.section-footer {
    text-align: center;
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--light-gray);
}

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

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--medium-gray);
}

.mission-vision {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mission-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.mission-item h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.mission-item p {
    color: var(--medium-gray);
    margin: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: white;
    font-weight: 500;
}

/* Quiz Section */
.quiz-section {
    padding: 6rem 0;
    background: var(--white);
}

.quiz-container {
    max-width: 600px;
    margin: 0 auto;
}

.quiz-card {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
}

.quiz-icon {
    margin-bottom: 1.5rem;
}

.quiz-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.quiz-card p {
    margin-bottom: 2rem;
    color: var(--medium-gray);
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background: var(--light-gray);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--medium-gray);
    margin: 0;
}

.contact-form-container {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-control {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(39, 180, 39, 0.1);
}

.form-control::placeholder {
    color: var(--medium-gray);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 28px;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

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

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

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

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

/* Scroll to Top */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar-nav {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .navbar-actions {
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .slide-content {
        padding: 6rem 1.5rem 2rem 1.5rem;
        margin-left: 1.5rem;
        max-width: 100%;
    }
    
    .slide-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .slide-subtitle {
        font-size: 1.25rem;
    }
    
    .slide-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .slide-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .slider-prev,
    .slider-next {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .slide-content {
        padding: 5rem 1rem 2rem 1rem;
        margin-left: 1rem;
        max-width: 100%;
    }
    
    .slide-title {
        font-size: 1.8rem;
        margin-top: 0;
        line-height: 1.3;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .quick-actions-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .quiz-card {
        padding: 2rem;
    }
    
    .contact-form-container {
        padding: 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);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: var(--border-radius); }
.shadow { box-shadow: var(--shadow-light); }
.shadow-medium { box-shadow: var(--shadow-medium); }
.shadow-heavy { box-shadow: var(--shadow-heavy); }