/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

:root {
    /* Colors - Based on Wapi Technologie branding */
    --primary-color: #c41e3a;
    --primary-dark: #9a1829;
    --primary-light: #d63851;
    --secondary-color: #1a1a1a;
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Transitions */
    --transition: all 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
}

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

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav {
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    background:
        linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(196, 30, 58, 0.6) 100%),
        url('Wapi_technologie_b1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(196, 30, 58, 0.15) 100%);
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-products {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.product-badge {
    background-color: var(--white);
    color: var(--primary-color);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

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

.about-text h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

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

/* Strengths */
.strengths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.strength-card {
    background-color: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

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

.strength-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* Founders */
.founders {
    margin-top: var(--spacing-xl);
}

.founder-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    align-items: start;
}

.founder-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.founder-image img {
    width: 100%;
    height: auto;
}

.founder-info h3 {
    font-size: 1.75rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.founder-title {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.founder-info p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.founder-info blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-md);
    font-style: italic;
    color: var(--text-light);
    margin-top: var(--spacing-md);
}

/* ==========================================
   SOLUTIONS SECTION
   ========================================== */

.solutions {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.solution-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: grid;
    grid-template-columns: 40% 60%;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

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

/* Solution Image */
.solution-image {
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Solution Content */
.solution-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.solution-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.solution-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.solution-card h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.solution-subtitle {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.solution-card > p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.solution-benefits {
    list-style: none;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.solution-benefits li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
    color: var(--text-color);
    line-height: 1.6;
}

.solution-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Carousel Styles */
.solutions-carousel,
.features-carousel {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    padding: 0 var(--spacing-sm);
    box-sizing: border-box;
}

.carousel-slide .solution-card,
.carousel-slide .feature-block {
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
    height: 100%;
}

/* Carousel Navigation Buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
    left: var(--spacing-md);
}

.carousel-btn-next {
    right: var(--spacing-md);
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
}

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background-color: transparent;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.carousel-indicator:hover {
    background-color: var(--primary-light);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background-color: var(--primary-color);
    width: 32px;
    border-radius: 6px;
}

/* ==========================================
   ADVANTAGES SECTION
   ========================================== */

.advantages {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.advantage-card {
    text-align: center;
    padding: var(--spacing-md);
    transition: var(--transition);
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    background-color: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    background-color: var(--primary-color);
}

.advantage-icon svg {
    width: 40px;
    height: 40px;
    color: var(--primary-color);
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon svg {
    color: var(--white);
}

.advantage-card h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info h3 {
    font-size: 1.75rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

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

.contact-item a {
    color: var(--primary-color);
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    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(196, 30, 58, 0.1);
}

.form-group textarea {
    resize: vertical;
}

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

.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo img {
    height: 50px;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

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

.footer ul li a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        align-items: flex-start;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .founder-card {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

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

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

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-btn-prev {
        left: var(--spacing-sm);
    }

    .carousel-btn-next {
        right: var(--spacing-sm);
    }

    .carousel-btn svg {
        width: 20px;
        height: 20px;
    }

    /* Responsive carousel cards */
    .solution-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .solution-image {
        min-height: 250px;
    }

    .solution-content {
        padding: var(--spacing-md);
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
        --spacing-md: 1rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) 0;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        width: 100%;
        padding: 0.75rem 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

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

    .stat-number {
        font-size: 2.5rem;
    }

    .carousel-btn {
        width: 35px;
        height: 35px;
    }

    .carousel-btn svg {
        width: 18px;
        height: 18px;
    }

    .carousel-slide {
        padding: 0;
    }

    .carousel-indicators {
        gap: var(--spacing-xs);
    }

    .carousel-indicator {
        width: 10px;
        height: 10px;
    }

    .carousel-indicator.active {
        width: 24px;
    }

    /* Responsive carousel cards for mobile */
    .solution-image {
        min-height: 200px;
    }

    .solution-content {
        padding: var(--spacing-sm);
    }

    .solution-icon {
        width: 50px;
        height: 50px;
    }

    .solution-icon svg {
        width: 28px;
        height: 28px;
    }
}

/* Large screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
}

/* Print styles */
@media print {
    .header,
    .hero-cta,
    .contact-form,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .section-title {
        page-break-after: avoid;
    }
}