/* ===== PALETTE DE COULEURS HUMANTIC (Refined) ===== */
:root {
    /* Primary Colors */
    --primary-blue: #0072ce;
    /* Vibrant Trust Blue */
    --dark-navy: #0f2537;
    /* Deep Professional Navy */
    --accent-amber: #ffb700;
    /* Humanitarian Warmth */

    /* Neutral Colors */
    --pure-white: #ffffff;
    --off-white: #f8f9fa;
    --text-dark: #2c3e50;
    --text-muted: #6c757d;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
    --gradient-warm: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);

    /* Shadows */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--off-white);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-navy);
    font-weight: 700;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

section {
    position: relative;
    padding: 100px 0;
}

/* ===== NAVIGATION ===== */
.navbar {
    padding: 1.5rem 0;
    transition: all 0.4s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-soft);
}

.navbar-brand img {
    height: 50px;
    transition: all 0.3s ease;
}

.nav-link {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    color: var(--pure-white) !important;
    margin: 0 1rem;
    position: relative;
    opacity: 0.9;
}

.navbar.scrolled .nav-link {
    color: var(--dark-navy) !important;
}

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

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

.nav-link:hover {
    opacity: 1;
    color: var(--accent-amber) !important;
}

/* Mobile Toggler */
.navbar-toggler {
    border: none;
    outline: none;
}

.navbar-toggler-icon {
    filter: invert(1);
    /* White initially */
}

.navbar.scrolled .navbar-toggler-icon {
    filter: invert(0);
    /* Black on scroll */
}

/* ===== HERO SECTION ===== */
.hero-section {
    height: 100vh;
    background: url('../assets/images/slide-01.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--pure-white);
    margin-top: -80px;
    /* Counteract navbar height */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 37, 55, 0.9) 0%, rgba(0, 114, 206, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--accent-amber);
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

/* Buttons */
.btn {
    padding: 12px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-blue);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 114, 206, 0.4);
}

.btn-primary:hover {
    background: var(--dark-navy);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 114, 206, 0.5);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.5);
}

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

/* ===== SECTIONS COMMON ===== */
.section-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-subtitle {
    color: var(--primary-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--pure-white);
}

.about-img-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-img-wrapper img {
    width: 100%;
    transition: transform 0.5s ease;
}

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

.about-text {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.about-feature {
    display: flex;
    align-items: flex-start;
    margin-top: 2rem;
}

.feature-icon {
    min-width: 50px;
    height: 50px;
    background: rgba(0, 114, 206, 0.1);
    color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    font-size: 1.2rem;
}

/* ===== EXPERTISE CARDS (The Block) ===== */
.expertise-section {
    background-color: var(--off-white);
}

.expertise-card {
    background: var(--pure-white);
    border-radius: 20px;
    padding: 3rem 2rem;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-blue);
    transition: height 0.3s ease;
    z-index: -1;
}

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

.expertise-card:hover::before {
    height: 100%;
}

.expertise-card:hover h4,
.expertise-card:hover p,
.expertise-card:hover .card-icon {
    color: var(--pure-white);
}

.expertise-card:hover .card-icon {
    background: rgba(255, 255, 255, 0.2);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--off-white);
    color: var(--primary-blue);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

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

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--gradient-primary);
    color: var(--pure-white);
    padding: 80px 0;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-amber);
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    opacity: 0.8;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 1px;
}

/* ===== TEAM SECTION ===== */
.team-item {
    background: var(--pure-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.team-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.team-img {
    height: 300px;
    overflow: hidden;
}

.team-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-item:hover .team-img img {
    transform: scale(1.1);
}

.team-info {
    padding: 2rem;
    text-align: center;
}

.team-name {
    color: var(--dark-navy);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary-blue);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--pure-white);
}

.contact-card {
    background: var(--pure-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.05);
}

.form-control {
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #eee;
    background: var(--off-white);
    margin-bottom: 1.5rem;
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--primary-blue);
    background: var(--pure-white);
}

.contact-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--pure-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-navy);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}

.footer-social a {
    color: var(--pure-white);
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.footer-social a:hover {
    background: var(--primary-blue);
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

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

.expertise-card:hover::before {
    height: 100%;
}

.expertise-card:hover h4,
.expertise-card:hover p,
.expertise-card:hover .card-icon {
    color: var(--pure-white);
}

.expertise-card:hover .card-icon {
    background: rgba(255, 255, 255, 0.2);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--off-white);
    color: var(--primary-blue);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

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

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--gradient-primary);
    color: var(--pure-white);
    padding: 80px 0;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-amber);
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    opacity: 0.8;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 1px;
}

/* ===== TEAM SECTION ===== */
.team-item {
    background: var(--pure-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.team-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.team-img {
    height: 300px;
    overflow: hidden;
}

.team-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-item:hover .team-img img {
    transform: scale(1.1);
}

.team-info {
    padding: 2rem;
    text-align: center;
}

.team-name {
    color: var(--dark-navy);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary-blue);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--pure-white);
}

.contact-card {
    background: var(--pure-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.05);
}

.form-control {
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #eee;
    background: var(--off-white);
    margin-bottom: 1.5rem;
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--primary-blue);
    background: var(--pure-white);
}

/* Fix for Input Group in Footer (Newsletter) */
.input-group .form-control {
    margin-bottom: 0;
    padding: 12px 15px;
    height: auto;
}

.input-group .btn {
    border-radius: 0 5px 5px 0 !important;
    padding: 12px 20px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--pure-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-navy);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}

.footer-social a {
    color: var(--pure-white);
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.footer-social a:hover {
    background: var(--primary-blue);
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--accent-amber);
    padding-left: 5px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--pure-white);
        padding: 2rem;
        margin-top: 1rem;
        border-radius: 10px;
        box-shadow: var(--shadow-hover);
    }

    .nav-link {
        color: var(--dark-navy) !important;
        margin: 0.5rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.nav-link.active {
    color: var(--accent-amber) !important;
}

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