/* ===========================
   CSS Variables
   =========================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --error-color: #ef4444;
    --success-color: #10b981;
    --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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

section {
    padding: 80px 0;
}

/* ===========================
   Header & Navigation
   =========================== */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-link.cta-btn {
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 10px 25px;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-link.cta-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-link.cta-btn::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 600px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1557838923-2985c318be48?w=1600&auto=format&fit=crop&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.hero-slider {
    position: relative;
    width: 100%;
    z-index: 1;
}

.hero-slide {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.hero-slide.active {
    display: block;
}

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

.hero-content {
    text-align: center;
    color: var(--bg-white);
    padding: 60px 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 2;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background-color: var(--bg-white);
    width: 35px;
    border-radius: 6px;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

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

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

/* ===========================
   Section Headers
   =========================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

/* ===========================
   We Offer Section
   =========================== */
.we-offer {
    background-color: var(--bg-light);
}

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

.service-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    color: var(--bg-white);
}

.service-icon svg {
    width: 35px;
    height: 35px;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-light);
}

/* ===========================
   Promotional Banner
   =========================== */
.promo-banner {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 60px 0;
}

.promo-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.promo-card {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.promo-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.promo-discount {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 15px 0;
}

.promo-card p {
    font-size: 16px;
    color: var(--text-light);
}

/* ===========================
   About Section
   =========================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 25px;
}

.about-text p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.features-list {
    margin-top: 35px;
    display: grid;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background-color: var(--secondary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.feature-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.feature-text p {
    font-size: 15px;
    color: var(--text-light);
    margin: 0;
}

.about-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.about-image:hover img {
    transform: scale(1.05);
}

/* ===========================
   Feedback Section
   =========================== */
.feedback {
    background-color: var(--bg-light);
}

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-track {
    position: relative;
    min-height: 350px;
    transition: min-height 0.3s ease-in-out;
}

.testimonial-card {
    display: none;
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease-in;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 0.5s ease-in-out;
}

.testimonial-card.active {
    display: block;
    position: relative;
    opacity: 1;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.testimonial-info h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.testimonial-info p {
    font-size: 14px;
    color: var(--text-light);
}

.testimonial-rating {
    margin-bottom: 20px;
    color: var(--accent-color);
    font-size: 20px;
}

.testimonial-text {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-light);
    font-style: italic;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.testimonial-prev,
.testimonial-next {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--bg-white);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background-color: var(--primary-dark);
    transform: scale(1.1);
}

/* ===========================
   FAQ Section
   =========================== */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 25px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    font-size: 28px;
    font-weight: 300;
    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 25px 25px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    background-color: var(--bg-light);
}

.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--bg-white);
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 25px;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.required {
    color: var(--error-color);
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    transition: var(--transition);
}

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

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error-color);
}

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

.checkbox-group {
    margin-bottom: 30px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-white);
    font-size: 14px;
    font-weight: 700;
}

.checkbox-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-dark);
}

.error-message {
    display: none;
    color: var(--error-color);
    font-size: 14px;
    margin-top: 8px;
}

.form-group.error .error-message,
.checkbox-group.error .error-message {
    display: block;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 18px;
}

.form-success {
    display: none;
    background-color: #d1fae5;
    border: 2px solid var(--success-color);
    color: #065f46;
    padding: 20px;
    border-radius: 8px;
    margin-top: 25px;
    text-align: center;
}

.form-success.show {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-col h3 span {
    color: var(--secondary-color);
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 15px;
    line-height: 1.7;
    color: #d1d5db;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li a {
    color: #d1d5db;
    transition: var(--transition);
}

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

.footer-col address {
    font-style: normal;
    line-height: 1.8;
    color: #d1d5db;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 14px;
}

/* ===========================
   Legal Pages
   =========================== */
.legal-page {
    padding: 100px 0 80px;
    background-color: var(--bg-light);
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-white);
    padding: 60px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.legal-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.last-updated {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 40px;
    font-style: italic;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.legal-section h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 25px 0 15px;
    color: var(--text-dark);
}

.legal-section p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 15px;
}

.legal-section ul {
    list-style: disc;
    margin-left: 30px;
    margin-bottom: 15px;
}

.legal-section ul li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 10px;
}

.legal-section address {
    font-style: normal;
    line-height: 1.8;
    margin-top: 15px;
    padding: 20px;
    background-color: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
}

.legal-actions {
    display: flex;
    gap: 20px;
    margin-top: 50px;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 36px;
    }

    .hero-title {
        font-size: 42px;
    }

    .about-content {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
        z-index: 9999;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 30px;
        gap: 25px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form {
        padding: 35px 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .legal-content {
        padding: 40px 25px;
    }

    .legal-content h1 {
        font-size: 32px;
    }

    .legal-actions {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .service-card {
        padding: 30px 20px;
    }

    .promo-discount {
        font-size: 36px;
    }

    .testimonial-card {
        padding: 30px 20px;
    }

    .legal-section h2 {
        font-size: 24px;
    }

    .legal-section h3 {
        font-size: 20px;
    }
}

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

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }