:root {
    --bg-dark: #05070a;
    --panel: #111823;
    --panel-soft: #151f2c;
    --gold: #f5c26b;
    --warm-white: #fff4db;
    --text-dark: #f4f0e6;
    --sand: #f0cfa3;
    --deep: #080c12;
    --accent: #d05e2b;
    --muted: rgba(244, 240, 230, 0.7);
    --shadow: 0 35px 55px rgba(0, 0, 0, 0.45);
    --transition: 280ms cubic-bezier(.4,0,.2,1);
}
html {
    scroll-behavior: smooth;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg-dark);
    color: var(--text-dark);
    line-height: 1.6;
}
a {
    color: inherit;
    text-decoration: none;
}
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10;
    backdrop-filter: blur(18px);
    background: rgba(5, 5, 7, 0.85);
    border-bottom: 1px solid rgba(245, 194, 107, 0.2);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
}
.nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: relative;
}
.logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.logo img {
    height: 48px;
    width: auto;
    display: block;
}
nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
nav a {
    font-size: 0.95rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
nav a:hover {
    color: var(--warm-white);
}
.hero {
    min-height: 100vh;
    width: 100%;
    max-width: none;
    margin: 0;
    display: grid;
    place-items: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(9,12,18,0.85), rgba(24,33,45,0.85)),
                url('https://images.unsplash.com/photo-1482049016688-2d3e1b311543?auto=format&fit=crop&w=2200&q=80') center/cover;
    position: relative;
    padding: 8rem 2.5rem 5rem;
    isolation: isolate;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 20%, rgba(213,94,43,0.35), transparent 55%);
    pointer-events: none;
}
.hero-content {
    position: relative;
    max-width: 900px;
    padding: 2.5rem;
    background: rgba(8, 11, 16, 0.78);
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
    z-index: 1;
    border: 1px solid rgba(245, 194, 107, 0.2);
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.9rem;
    color: var(--gold);
}
h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.8rem, 6vw, 4.6rem);
    margin: 1rem 0 1.5rem;
}
.hero p {
    font-size: 1.2rem;
    color: rgba(244,240,230,0.8);
    margin: 0 auto 2rem;
    max-width: 620px;
}
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.95rem 1.9rem;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    box-shadow: var(--shadow);
}
.hero-cta:hover {
    transform: translateY(-2px);
}
main {
    background: linear-gradient(180deg, #06090f 0%, #0b1018 60%, #05070a 100%);
}
section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 5rem 2rem;
    scroll-margin-top: 110px;
}
#format {
    margin-bottom: 3.5rem;
}
.grid {
    display: grid;
    gap: 2rem;
}
.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
    padding: 2rem;
    border-radius: 1.2rem;
    background: var(--panel);
    border: 1px solid rgba(245, 194, 107, 0.12);
    box-shadow: 0 35px 60px rgba(0,0,0,0.4);
    color: var(--text-dark);
}
.card h3 {
    margin-top: 0;
    font-family: 'Playfair Display', serif;
    color: var(--gold);
}
.programme-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.programme-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.programme-list span {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: rgba(245,194,107,0.15);
    display: grid;
    place-items: center;
    font-weight: 600;
    color: var(--gold);
}
 .formations {
     background: linear-gradient(160deg, rgba(11,18,28,0.95), rgba(5,7,11,0.95));
     border-radius: 1.5rem;
     padding: 5rem 3rem;
     border: 1px solid rgba(245, 194, 107, 0.15);
     box-shadow: 0 45px 60px rgba(0, 0, 0, 0.45);
 }
 .formation-head {
     max-width: 720px;
     margin-bottom: 2.5rem;
 }
 .formation-head h2 {
     margin: 0.5rem 0 1rem;
 }
 .formation-head p {
     color: rgba(244,240,230,0.75);
 }
 .formation-rows {
     display: flex;
     flex-direction: column;
     gap: 1.5rem;
 }
 .formation-row {
     display: grid;
     grid-template-columns: minmax(90px, 140px) 1fr;
     gap: 1.5rem;
     padding: 1.8rem 2.4rem;
     background: rgba(8, 11, 16, 0.65);
     border: 1px solid rgba(245, 194, 107, 0.18);
     border-radius: 1.2rem;
     box-shadow: inset 0 0 30px rgba(0,0,0,0.35);
 }
 .formation-time {
     font-family: 'Playfair Display', serif;
     font-size: 1rem;
     text-transform: uppercase;
     letter-spacing: 0.3em;
     color: var(--gold);
     display: flex;
     align-items: center;
 }
 .formation-body h3 {
     margin: 0 0 0.5rem;
 }
 .formation-body p {
     margin: 0 0 0.8rem;
     color: rgba(244,240,230,0.85);
 }
 .formation-details {
     list-style: none;
     padding-left: 0;
     margin: 0;
     display: grid;
     gap: 0.4rem;
 }
 .formation-details li {
     position: relative;
     padding-left: 1.2rem;
     color: rgba(244,240,230,0.8);
 }
 .formation-details li::before {
     content: '';
     position: absolute;
     left: 0;
     top: 0.65rem;
     width: 6px;
     height: 6px;
     border-radius: 50%;
     background: var(--accent);
 }
.inscription {
    position: relative;
    overflow: hidden;
    background: var(--panel-soft);
    border-radius: 1.5rem;
    padding: 3rem clamp(2rem, 10vw, 6.5rem) 3rem 3rem;
    min-height: 420px;
    border: 1px solid rgba(245, 194, 107, 0.15);
}
.inscription-lede {
    max-width: 560px;
    margin-right: clamp(6rem, 18vw, 14rem);
}
form {
    display: grid;
    gap: 1.5rem;
}
label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted);
}
.consent {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    text-transform: none;
    letter-spacing: normal;
    font-size: 0.95rem;
    color: var(--text-dark);
}
.consent input[type="checkbox"] {
    width: 1.15rem;
    height: 1.15rem;
    accent-color: var(--accent);
    margin-top: 0.3rem;
}
.consent span {
    line-height: 1.5;
    display: block;
}
input, select, textarea {
    width: 100%;
    padding: 0.9rem 1.1rem;
    border-radius: 0.8rem;
    border: 1px solid rgba(245, 194, 107, 0.2);
    background: rgba(5,7,10,0.4);
    color: var(--text-dark);
    font-family: 'Space Grotesk', sans-serif;
}
textarea {
    min-height: 160px;
    resize: vertical;
}
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}
.submit-btn {
    border: none;
    background: var(--accent);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}
.submit-btn:hover {
    background: #e5673d;
}
.status-message {
    padding: 1rem 1.5rem;
    border-radius: 0.8rem;
    margin-bottom: 1.5rem;
}
.status-success {
    background: rgba(80, 200, 120, 0.15);
    border: 1px solid rgba(80, 200, 120, 0.3);
}
.status-error {
    background: rgba(213, 84, 42, 0.15);
    border: 1px solid rgba(213, 84, 42, 0.5);
}
footer {
    background: #040608;
    padding: 3rem 2rem;
    color: var(--muted);
    border-top: 1px solid rgba(245, 194, 107, 0.15);
}
.footer-brand {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}
.footer-brand img {
    height: 52px;
    width: auto;
}
footer ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
}
footer li + li {
    margin-top: 0.5rem;
}
.credits a {
    color: var(--gold);
    text-decoration: underline;
}
.floating-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(5,7,10,0.82);
    border: 1px solid rgba(245, 194, 107, 0.2);
    padding: 1rem 1.4rem;
    border-radius: 1rem;
    text-align: left;
    max-width: 220px;
    color: var(--text-dark);
    z-index: 2;
}
.floating-badge strong {
    display: block;
    font-size: 1.4rem;
    color: var(--accent);
}
.menu-toggle {
    display: none;
    border: 1px solid rgba(255,255,255,0.3);
    background: transparent;
    color: var(--warm-white);
    font-size: 1rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
}
@media (max-width: 900px) {
    nav ul {
        position: absolute;
        top: 100%;
        right: 2rem;
        flex-direction: column;
        background: rgba(7,9,13,0.98);
        padding: 1rem 1.5rem;
        border-radius: 0.8rem;
        border: 1px solid rgba(245, 194, 107, 0.2);
        box-shadow: 0 25px 45px rgba(0,0,0,0.55);
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;
        transition: var(--transition);
    }
    nav ul.open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
    }
    .menu-toggle {
        display: inline-flex;
    }
    .logo img {
        height: 42px;
    }
    .inscription {
        padding: 3rem 2rem;
        min-height: auto;
    }
    .inscription-lede {
        margin-right: 0;
    }
    .floating-badge {
        position: static;
        margin-top: 2rem;
    }
    .formations {
        padding: 3.5rem 2rem;
    }
    .formation-row {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}