/* GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* VARIABLES */
:root {
    --navy:#003849;
    --navy-deep:#002a36;
    --ocean:#2e7d8f;
    --bronze:#f16846;
    --bronze-light:#f4825e;
    --bronze-dark:#d95535;
    --sand:#fff9ef;
    --sand-light:#fff9ef;
    --white:#FFFFFF;
    --text-dark:#1A1A1A;
    --text-muted:#5A5A5A;
    --title:'DM Sans','Helvetica Neue',sans-serif;
    --sans:'Montserrat','Helvetica Neue',sans-serif;
}

/* RESET */
* {
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: var(--sans);
    color: var(--text-dark);
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 2rem 5rem !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,56,73,0.97);
    transition: background .5s, padding .4s, box-shadow .4s;
}
.navbar.scrolled {
    background: rgba(11,37,69,.97);
    padding: 1.5rem 5rem !important;
    box-shadow: 0 2px 30px rgba(0,0,0,.15);
    backdrop-filter: blur(12px);
}
.navbar .logo img {
    height: 38px;
    filter: brightness(0) invert(1);
}

/* BOUTON NAVBAR */
.btn-navbar {
    display: inline-block;
    font-family: var(--sans);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--white);
    border: 1px solid rgba(197,151,91,.6);
    padding: .65rem 1.8rem;
    text-decoration: none;
    transition: .4s;
}
.btn-navbar:hover {
    background: var(--bronze);
    border-color: var(--bronze);
    color: var(--white);
}

/* NAVBAR MOBILE */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1.5rem;
        padding: 1.5rem 1.5rem !important;
    }
    .navbar.scrolled {
        padding: 1.25rem 1.5rem !important;
    }
    .navbar .logo img {
        height: 32px;
    }
    .btn-navbar {
        font-size: .65rem;
        padding: .55rem 1.4rem;
    }
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-family: var(--sans);
}
.hero__bg {
    position: absolute;
    inset: 0;
    background: url("img/banner.webp") center/cover no-repeat;
    transform: scale(1.08);
    transition: transform 8s ease-out;
    z-index: 0;
}
.hero.loaded .hero__bg { transform: scale(1); }
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(175deg,rgba(0,56,73,.82) 0,rgba(0,56,73,.55) 45%,rgba(46,125,143,.4) 100%);
    z-index: 1;
}
.hero__grain {
    position: absolute;
    inset: 0;
    opacity: .03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size:128px;
    pointer-events:none;
    z-index: 1;
}
.hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
}
.hero__content form {
    background-color: rgba(0,56,73,0.97);
    color: var(--text-dark);
    max-width: 900px;
    width: 100%;
}
.hero__content input,
.hero__content select,
.hero__content button {
    color: var(--text-dark);
}
.hero__content form label,
.hero__content form .participant h5 {
    color: #ffffff;
    font-weight: 500;
}
.add-participant-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bronze);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.3s;
    margin-bottom: 1rem;
}
.add-participant-link:hover { color: var(--bronze-dark); }
.form-actions button.btn-primary {
    display: block;
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 0.35rem;
    background-color: var(--bronze);
    border: 1px solid var(--bronze-dark);
    color: var(--white);
    transition: background-color 0.3s, border-color 0.3s;
}
.form-actions button.btn-primary:hover {
    background-color: var(--bronze-dark);
    border-color: var(--bronze-dark);
    color: var(--white);
}

/* CONTACT */
.contact {
    padding: 4rem 2rem;
    background: var(--white);
    text-align: center;
}
.contact__inner { max-width: 600px; margin: 0 auto; }
.contact__label {
    font-family: var(--sans);
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--bronze);
    margin-bottom: 1rem;
}
.contact__avail {
    font-family: var(--title);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--navy);
    margin-bottom: 1rem;
    font-style: italic;
    line-height: 1.3;
}
.contact__channels {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.contact__channel {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    color: var(--navy);
    transition: color .3s;
}
.contact__channel:hover { color: var(--bronze); }
.contact__channel svg {
    width: 18px;
    height: 18px;
    stroke: var(--bronze);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.contact__channel span {
    font-family: var(--sans);
    font-size: .95rem;
    font-weight: 500;
    letter-spacing: .02em;
}
.contact__divider {
    width: 1px;
    height: 20px;
    background: rgba(0,56,73,.15);
}

/* FOOTER */
.footer {
    background: var(--navy-deep);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
}
.footer::before {
    content:'';
    position: absolute;
    top:0; left:0;
    width:100%; height:1px;
    background: linear-gradient(90deg, transparent, var(--bronze), transparent);
}
.footer__logo img {
    height: 28px;
    filter: brightness(0) invert(1);
    opacity: .7;
    margin-bottom: 1rem;
}
.footer__cta {
    display: inline-block;
    font-family: var(--sans);
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--bronze-light);
    text-decoration: none;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(241,104,70,.3);
    transition: .3s;
}
.footer__cta:hover { color: var(--white); border-color: var(--white); }
.footer__legal {
    font-family: var(--sans);
    font-size: .68rem;
    font-weight: 300;
    color: rgba(255,255,255,.3);
    line-height: 1.4;
    max-width: 500px;
    margin: 0 auto;
}

/* RESPONSIVE */
@media (max-width: 576px) {
    .hero__content .form-control { font-size: 0.95rem; }
    .hero__content form { padding: 1.5rem; }
}

/* INFO PLUS PERSONNES */
.info-plus-personnes {
    color: var(--bronze);
    font-weight: 500;
    display: block;
    margin-top: 8px;
}
.info-plus-personnes a {
    color: var(--bronze);
    font-weight: 600;
    text-decoration: none;
}
.info-plus-personnes a:hover { color: var(--bronze-dark); }