:root {
    --primary: #2563eb;
    --accent: #fb7185;
    --bg: #f8fbff;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius: 30px;
    --shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text);
}

a {
    text-decoration: none;
    color: inherit;
}

img, video {
    max-width: 100%;
    display: block;
}

button,
input,
a {
    font-family: inherit;
}

.filiere-hero {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(251, 113, 133, 0.12)),
                url('assets/images/hero-school.jpg') center/cover no-repeat;
    padding: 100px 0 80px;
}

.filiere-hero .container {
    display: grid;
    grid-template-columns: 1.25fr .85fr;
    gap: 40px;
    align-items: center;
}

.hero-copy span {
    display: inline-block;
    margin-bottom: 18px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.16);
    color: var(--primary);
    font-weight: 700;
}

.hero-copy h1 {
    font-size: clamp(2.75rem, 4vw, 4.5rem);
    line-height: 1.05;
    margin: 0 0 24px;
}

.hero-copy p {
    max-width: 680px;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 700;
    transition: transform .25s ease, box-shadow .25s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    color: #fff;
    border: none;
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.08);
    color: var(--text);
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.hero-visual {
    display: flex;
    justify-content: flex-end;
}

.hero-card {
    background: rgba(255, 255, 255, 0.88);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    max-width: 420px;
}

.hero-card span {
    display: block;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.hero-card h2 {
    margin: 0 0 16px;
    font-size: 2.1rem;
}

.hero-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.section-highlight {
    padding: 70px 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.feature-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 32px;
    min-height: 220px;
}

.feature-card strong {
    display: block;
    margin-bottom: 16px;
    font-size: 1.15rem;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.filiere-section {
    padding: 70px 0;
}

.section-head {
    max-width: 820px;
    margin: 0 auto 40px;
    text-align: center;
}

.section-head h2 {
    font-size: 2.75rem;
    margin-bottom: 18px;
}

.section-head p {
    margin: 0 auto;
    max-width: 620px;
    color: var(--muted);
    line-height: 1.8;
}

.filiere-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.filiere-card {
    background: #ffffff;
    border-radius: 28px;
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.9);
    display: flex;
    flex-direction: column;
    min-height: 100%;
    transition: transform .3s ease, box-shadow .3s ease;
}

.filiere-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 34px 80px rgba(15, 23, 42, 0.12);
}

.filiere-media {
    min-height: 200px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.12), rgba(251, 113, 133, 0.08));
    display: grid;
    place-items: center;
}

.filiere-media img,
.filiere-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.filiere-card:hover .filiere-media img,
.filiere-card:hover .filiere-media video {
    transform: scale(1.03);
}

.filiere-media-fallback {
    display: grid;
    place-items: center;
    padding: 36px;
}

.filiere-body {
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.filiere-body .label {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: .24em;
    font-size: .75rem;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 6px;
}

.filiere-body h3 {
    margin: 0;
    font-size: 1.4rem;
    line-height: 1.25;
}

.filiere-body p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
    white-space: pre-wrap;
    font-size: .98rem;
}

.filiere-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: auto;
}

.filiere-meta span {
    display: block;
    padding: 14px 16px;
    border-radius: 16px;
    background: #f8fbff;
    color: var(--text);
    font-size: .92rem;
    border: 1px solid rgba(226, 232, 240, 0.9);
}

.empty-state {
    text-align: center;
    padding: 60px 0;
    color: var(--muted);
}

.empty-state h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.filiere-cta {
    padding: 80px 0 120px;
}

.cta-box {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(251, 113, 133, 0.12));
    border-radius: var(--radius);
    border: 1px solid rgba(37, 99, 235, 0.12);
    padding: 50px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.cta-box h2 {
    margin: 0 0 12px;
    font-size: 2.25rem;
}

.cta-box p {
    margin: 0;
    max-width: 560px;
    color: var(--muted);
    line-height: 1.8;
}

@media (max-width: 1100px) {
    .filiere-hero .container,
    .grid-3,
    .filiere-grid,
    .cta-box {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        justify-content: center;
    }
}

@media (max-width: 860px) {
    .filiere-grid {
        grid-template-columns: 1fr;
    }
    .section-head h2 {
        font-size: 2.3rem;
    }
    .hero-card {
        padding: 28px;
    }
    .filiere-body {
        padding: 22px;
    }
}

@media (max-width: 720px) {
    .filiere-hero {
        padding: 70px 0 55px;
    }
    .filiere-hero .container {
        gap: 30px;
    }
    .section-head h2 {
        font-size: 2.25rem;
    }
    .cta-box {
        padding: 32px;
    }
}