/* ============================================
   Variables CSS
   ============================================ */
:root {
    --primary-color: #4994ec;
    --secondary-color: #4471a0;
    --dark-color: #323437;
    --light-color: #f9f9f9;
    --white: #ffffff;
    --text-dark: #323437;
    --text-light: #666;
    --transition: all 0.3s ease;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 20px rgba(73, 148, 236, 0.2);
}

/* ============================================
   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: 1rem; /* 16px par défaut */
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Base paragraph size */
p {
    font-size: 1rem; /* 16px par défaut */
    line-height: 1.7;
}

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: var(--transition);
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

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

.logo a:hover .logo-img {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.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 {
    color: var(--primary-color);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 0.3rem;
    transition: var(--transition);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-hover);
    list-style: none;
    min-width: 220px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    border-radius: 8px;
    margin-top: 0.5rem;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--light-color);
    color: var(--primary-color);
    padding-left: 2rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 5px;
}

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

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    filter: brightness(0.7);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

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

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

.btn-block {
    width: 100%;
    text-align: center;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

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

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--white);
}

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

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-text .lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-dark);
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.service-first {
    background: var(--light-color);
    padding: 2rem;
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    font-style: italic;
    margin-top: 2rem;
}

.about-partner {
    background: var(--light-color);
    padding: 3rem;
    border-radius: 12px;
    margin-top: 3rem;
}

.about-partner h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-partner p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--light-color);
}

.service-category {
    margin-bottom: 4rem;
}

.service-category-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 600;
    text-align: center;
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.service-card.large {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.service-image {
    width: 100%;
    height: 180px;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.service-card h4 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.service-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.service-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.service-list li strong {
    color: var(--text-dark);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(73, 148, 236, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(68, 113, 160, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

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

.contact-info-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(73, 148, 236, 0.15);
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(73, 148, 236, 0.15);
    border-color: rgba(73, 148, 236, 0.2);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(73, 148, 236, 0.1) 0%, rgba(68, 113, 160, 0.1) 100%);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: linear-gradient(135deg, rgba(73, 148, 236, 0.2) 0%, rgba(68, 113, 160, 0.2) 100%);
    transform: scale(1.1);
}

.contact-item h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.contact-item p,
.contact-item a {
    color: var(--text-light);
    text-decoration: none;
    line-height: 1.7;
    transition: var(--transition);
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--primary-color);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(73, 148, 236, 0.1);
    transition: var(--transition);
}

.contact-form-wrapper:hover {
    box-shadow: 0 15px 50px rgba(73, 148, 236, 0.15);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.contact-form-header {
    margin-bottom: 1rem;
}

.contact-form-header h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.contact-form-header p {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid #e5e9f0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f9fafb;
    color: var(--text-dark);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a0aec0;
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(73, 148, 236, 0.1);
    transform: translateY(-2px);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(73, 148, 236, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.btn-block {
    width: 100%;
    padding: 1.1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 12px;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(73, 148, 236, 0.3);
}

.btn-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(73, 148, 236, 0.4);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   References Section
   ============================================ */
.references {
    background: var(--white);
    padding: 5rem 0;
}

.references-description {
    max-width: 800px;
    margin: 1.5rem auto 3rem;
    text-align: center;
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.7;
}

.references-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    align-items: stretch;
    margin-top: 3rem;
}

.reference-card {
    flex: 0 1 calc(33.333% - 2rem);
    max-width: 400px;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    border: 2px solid transparent;
}

.reference-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(73, 148, 236, 0.15);
    border-color: rgba(73, 148, 236, 0.2);
}

.reference-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}

.reference-image {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    overflow: hidden;
}

.reference-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.reference-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.reference-description {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

.reference-card:hover .reference-name {
    color: var(--secondary-color);
}

.reference-card:hover .reference-description {
    color: var(--text-dark);
}

/* ============================================
   Partners Section
   ============================================ */
.partners-section {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid rgba(73, 148, 236, 0.1);
}

.partners {
    background: var(--white);
    padding: 5rem 0;
}

.partners-carousel-wrapper {
    margin-bottom: 3rem;
    overflow: hidden;
    padding: 2rem 0;
}

.partners-swiper-left,
.partners-swiper-right {
    width: 100%;
    padding: 2rem 0;
}

.partner-card {
    background: var(--light-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 2px solid transparent;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
    background: var(--white);
}

.partner-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    gap: 1rem;
}

.partner-image {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.partner-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

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

.partner-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.partner-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

.partner-card:hover .partner-name {
    color: var(--secondary-color);
}

.partner-card:hover .partner-description {
    color: var(--text-dark);
}

/* Swiper adjustments */
.swiper-slide {
    height: auto;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
/* ============================================
   Responsive Design - Tablette (481px - 768px)
   ============================================ */
@media (max-width: 768px) {
    /* Base typography - Tablette: 16px */
    body {
        font-size: 1rem; /* 16px */
    }

    p {
        font-size: 1rem; /* 16px */
    }

    /* Navigation */
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-menu li {
        width: 100%;
        padding: 1rem 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-color);
        margin-top: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .logo-img {
        height: 38px;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    /* Hero Section */
    .hero-title {
        font-size: 2.2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        font-size: 0.95rem;
        padding: 0.9rem 1.8rem;
    }

    /* Sections */
    section {
        padding: 3.5rem 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }

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

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

    /* About Section - Tablette: 16px */
    .about-text p {
        font-size: 1rem; /* 16px */
        line-height: 1.7;
    }

    .about-text .lead {
        font-size: 1.1rem; /* 17.6px */
    }

    .about-partner {
        padding: 2.5rem;
    }

    .about-partner h3 {
        font-size: 1.75rem;
    }

    .about-partner p {
        font-size: 1rem; /* 16px */
        line-height: 1.7;
    }

    .service-first {
        padding: 1.5rem;
        font-size: 1rem; /* 16px */
    }

    /* References Section */
    .references {
        padding: 3.5rem 0;
    }

    .references-description {
        font-size: 1rem; /* 16px */
        margin-bottom: 2.5rem;
        padding: 0 1rem;
    }

    .references-grid {
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .reference-card {
        flex: 0 1 calc(50% - 1.5rem);
        max-width: 400px;
        min-width: 250px;
        padding: 1.5rem;
    }

    .reference-image {
        height: 80px;
        margin-bottom: 0.75rem;
    }

    .reference-name {
        font-size: 1.1rem;
    }

    .reference-description {
        font-size: 0.9rem; /* 14.4px */
    }

    /* Partners Section */
    .partners {
        padding: 3.5rem 0;
    }

    .partners-carousel-wrapper {
        margin-bottom: 2rem;
        padding: 1.5rem 0;
    }

    .partner-card {
        padding: 1.5rem;
        min-height: 160px;
    }

    .partner-image {
        height: 70px;
        margin-bottom: 0.5rem;
    }

    .partner-name {
        font-size: 1rem;
    }

    .partner-description {
        font-size: 0.875rem; /* 14px */
    }

    /* Services Section */
    .service-category-title {
        font-size: 1.75rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 2rem;
    }

    .service-card h4 {
        font-size: 1.3rem;
    }

    .service-card p {
        font-size: 1rem; /* 16px */
        line-height: 1.7;
    }

    .service-icon {
        font-size: 2.5rem;
    }

    .service-image {
        height: 160px;
    }

    .service-list li {
        font-size: 1rem; /* 16px */
    }

    .service-list li::before {
        font-size: 1rem;
    }

    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        margin-top: 2rem;
    }

    .contact-item {
        padding: 1.25rem;
        gap: 1.25rem;
    }

    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.75rem;
    }

    .contact-item h4 {
        font-size: 1rem;
    }

    .contact-item p,
    .contact-item a {
        font-size: 0.95rem; /* 15.2px */
    }

    .contact-form-wrapper {
        padding: 2rem;
        border-radius: 16px;
    }

    .contact-form {
        gap: 1.5rem;
    }

    .contact-form-header {
        margin-bottom: 1.5rem;
        padding-bottom: 1.25rem;
    }

    .contact-form-header h3 {
        font-size: 1.35rem;
    }

    .contact-form-header p {
        font-size: 0.9rem;
    }

    .form-group label {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 0.95rem; /* 15.2px */
        padding: 0.9rem 1.1rem;
    }

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

    .btn-block {
        padding: 1rem 1.75rem;
        font-size: 0.95rem;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .footer-section h3 {
        font-size: 1.3rem;
    }

    .footer-section h4 {
        font-size: 1.1rem;
    }

    .footer-section p,
    .footer-section ul li a {
        font-size: 0.95rem;
    }
}

/* ============================================
   Responsive Design - Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    /* Base typography - Mobile: 14px */
    body {
        font-size: 0.875rem; /* 14px */
    }

    p {
        font-size: 0.875rem; /* 14px */
    }

    /* Container */
    .container {
        padding: 0 15px;
    }

    /* Navigation */
    .logo-img {
        height: 35px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .nav-link {
        font-size: 0.95rem;
    }

    /* Hero Section */
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.85rem 1.5rem;
    }

    /* Sections */
    section {
        padding: 2.5rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

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

    .section-subtitle {
        font-size: 0.95rem;
    }

    .title-underline {
        width: 60px;
        height: 3px;
    }

    /* About Section - Mobile: 14px */
    .about-text p {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }

    .about-text .lead {
        font-size: 0.95rem; /* 15.2px */
        line-height: 1.6;
    }

    .about-partner {
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .about-partner h3 {
        font-size: 1.5rem;
        margin-bottom: 1.2rem;
    }

    .about-partner p {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }

    .service-first {
        padding: 1.2rem;
        font-size: 0.875rem; /* 14px */
        margin-top: 1.5rem;
    }

    /* References Section */
    .references {
        padding: 2.5rem 0;
    }

    .references-description {
        font-size: 0.875rem; /* 14px */
        margin-bottom: 2rem;
        padding: 0 0.5rem;
        line-height: 1.6;
    }

    /* Partners Section */
    .partners {
        padding: 2.5rem 0;
    }

    .partners-carousel-wrapper {
        margin-bottom: 1.5rem;
        padding: 1rem 0;
    }

    .partner-card {
        padding: 1.2rem;
        min-height: 140px;
    }

    .partner-image {
        height: 60px;
        margin-bottom: 0.4rem;
    }

    .partner-name {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .partner-description {
        font-size: 0.813rem; /* 13px */
        line-height: 1.4;
    }

    /* References Section */
    .references {
        padding: 2.5rem 0;
    }

    .references-description {
        font-size: 0.875rem; /* 14px */
        margin-bottom: 2rem;
        padding: 0 0.5rem;
        line-height: 1.6;
    }

    /* Services Section */
    .service-category {
        margin-bottom: 3rem;
    }

    .service-category-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .service-grid {
        gap: 1.25rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-card.large {
        padding: 1.5rem;
    }

    .service-card h4 {
        font-size: 1.2rem;
        margin-bottom: 0.9rem;
    }

    .service-card p {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
    }

    .service-icon {
        font-size: 2rem;
        margin-bottom: 1.2rem;
    }

    .service-image {
        height: 140px;
        margin-bottom: 1.2rem;
    }

    .service-list {
        margin: 1.2rem 0;
    }

    .service-list li {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
        padding: 0.6rem 0;
        padding-left: 1.5rem;
    }

    .service-list li::before {
        font-size: 0.95rem;
    }

    /* Contact Section */
    .contact-content {
        gap: 1.5rem;
        margin-top: 1.5rem;
    }

    .contact-item {
        gap: 1rem;
        padding: 1.25rem;
        flex-direction: column;
        text-align: center;
        border-radius: 14px;
    }

    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
        margin: 0 auto;
    }

    .contact-item h4 {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .contact-item p,
    .contact-item a {
        font-size: 0.875rem; /* 14px */
    }

    .contact-form-wrapper {
        padding: 1.5rem;
        border-radius: 16px;
    }

    .contact-form {
        gap: 1.25rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        font-size: 0.75rem;
        margin-bottom: 0.4rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 0.875rem; /* 14px */
        padding: 0.85rem 1rem;
        border-radius: 10px;
    }

    .form-group textarea {
        min-height: 110px;
    }

    .btn-block {
        padding: 0.95rem 1.5rem;
        font-size: 0.9rem;
        border-radius: 10px;
    }

    .contact-form-header {
        margin-bottom: 1.5rem;
    }

    .contact-form-header h3 {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .contact-form-header p {
        font-size: 0.875rem;
    }

    /* Footer */
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .footer-section h3 {
        font-size: 1.2rem;
        margin-bottom: 0.9rem;
    }

    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 0.9rem;
    }

    .footer-section p {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
    }

    .footer-section ul li {
        margin-bottom: 0.6rem;
    }

    .footer-section ul li a {
        font-size: 0.875rem; /* 14px */
    }

    .footer-bottom {
        padding-top: 1.5rem;
        font-size: 0.813rem; /* 13px */
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
    display: none;
}

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

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }