:root {
    --primary-color: #FF6B35;
    --white: #FFFFFF;
    --black: #000000;
    --text-color: #1A202C;
    --dark-bg: #1e1e1e;
    --light-gray: #f5f5f5;
    --medium-gray: #666666;
    --dark-gray: #333333;
    --border-gray: #888888;
    --blue-accent: #1a73e8;
    --light-blue: #87CEEB;
    --card-bg: #E8F0FF;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

.bg-section{
    background-color: #eb652b10;
}

.hero-section {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.9) 0%, rgba(26, 115, 232, 0.9) 100%),
        url('https://www.portdakar.sn/sites/default/files/styles/sliderhomepage_1200_356/public/bandeau_site_web1.jpg?itok=Mm6DrwNo');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    animation: fadeInDown 1.2s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1.2s ease-out 0.3s both;
}

.highlight {
    color: var(--primary-color);
    font-weight: bold;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    color: var(--dark-gray);
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 0;
}

.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}

.card-project {
    border-radius: 12px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    overflow: hidden;
}

.card-project:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--medium-gray);
}

.phase-card {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: var(--primary-color);
}

.phase-number {
    font-size: 4rem;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.05);
    position: absolute;
    right: 1rem;
    bottom: 0;
    line-height: 1;
}

.timeline {
    position: relative;
    padding-left: 30px;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary-color);
}

.port-card {
    background-color: var(--light-gray);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.port-card:hover {
    background-color: var(--card-bg);
    transform: translateX(5px);
}

.conclusion-section {
    background: linear-gradient(rgba(30, 30, 30, 0.689), rgba(0, 0, 0, 0.83)),
        url('https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQoszBoZyBHh_Rk63vzFod-xhd3QBQwc2eMPw&s');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
}

.conclusion-section .section-title {
    color: var(--white);
}

.conclusion-section .section-title::after {
    background-color: var(--white);
    left: 50%;
    transform: translateX(-50%);
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

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

.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    background-color: #e05a2b;
    border-color: #e05a2b;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.2);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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