/* ════════════════════════════════════════
   GLOBAL — reset, variables, éléments
   transverses (body, header, footer, nav,
   cursor-glow, utilitaires responsive).
   Chargé sur toutes les pages.
   ════════════════════════════════════════ */

/* ── RESET ─────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy: #303044;
    --lavender: #9e9eeb;
    --purple: #aa5dee;
    --bg: #f6f6f6;
    --white: #fff;
    --font: 'Mulish', sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 130px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--navy);
    overflow-x: hidden;
}

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

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

.d-none {
    display: none;
}

.text-underline {
    text-decoration: underline;
}

/* ── CURSOR GLOW ────────────────────────── */
#cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(158, 158, 235, .12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity .3s;
}

/* ── HEADER ─────────────────────────────── */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 80px 0 30px;
    height: 130px;
    transition: height .4s, background .4s, box-shadow .4s;
}

#header.scrolled {
    height: 74px;
    background: rgba(246, 246, 246, .95);
    backdrop-filter: blur(14px);
    box-shadow: 0 2px 24px rgba(48, 48, 68, .08);
}

.header-logo {
    height: 66px;
    width: auto;
    transition: height .4s;
}

#header a {
    margin-right: 10px;
}

#header.scrolled .header-logo {
    height: 44px;
}

nav {
    display: flex;
    align-items: center;
    gap: 40px;
    white-space: nowrap;
}

nav a {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--navy);
    position: relative;
    transition: color .3s;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--lavender);
    transition: width .3s;
}

nav a:hover {
    color: var(--lavender);
}

nav a:hover::after {
    width: 100%;
}

/* ── NAV TOGGLE (burger) ────────────────── */
.nav-toggle {
    display: none;
    position: relative;
    width: 58px;
    height: 54px;
    padding: 0;
    border: none;
    border-radius: 14px;
    background: var(--lavender);
    cursor: pointer;
    z-index: 320;
    transition: background .3s, transform .3s;
}

.nav-toggle span {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 26px;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transform: translate(-50%, -50%);
    transition: transform .35s ease, opacity .25s ease, top .35s ease;
}

.nav-toggle span:nth-child(1) { top: calc(50% - 8px); }
.nav-toggle span:nth-child(3) { top: calc(50% + 8px); }

.nav-toggle:hover {
    background: var(--purple);
}

body.nav-open .nav-toggle span:nth-child(1) {
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}
body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}
body.nav-open .nav-toggle span:nth-child(3) {
    top: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* ── FOOTER ─────────────────────────────── */
footer {
    background: var(--bg);
    padding: 60px 80px 40px;
    border-top: 1px solid rgba(48, 48, 68, .08);
}

.footer-grid {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
    gap: 52px;
    align-items: start;
}

.footer-logo {
    height: 74px;
    width: auto;
    margin-bottom: 16px;
}

.footer-col-h {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    transition: color .3s;
}

.footer-links a:hover {
    color: var(--lavender);
}

.footer-info {
    font-size: 12px;
    font-weight: 500;
    line-height: 2.2;
}

.footer-info a {
    text-decoration: underline;
    transition: color .3s;
}

.footer-info a:hover {
    color: var(--lavender);
}

.footer-legal {
    list-style: disc;
    padding-left: 16px;
}

.footer-legal li {
    font-size: 11px;
    font-weight: 400;
    line-height: 2.1;
    text-transform: lowercase;
}

.footer-bottom {
    max-width: 1440px;
    margin: 36px auto 0;
    padding-top: 22px;
    border-top: 1px solid rgba(48, 48, 68, .07);
    text-align: center;
    font-size: 11px;
    color: rgba(48, 48, 68, .4);
}

/* ── UTILITAIRES RESPONSIVE ─────────────── */
.only-mobile {
    display: none;
}

/* ════════════════════════════════════════
   RESPONSIVE — header, footer, utils
   ════════════════════════════════════════ */
@media (max-width: 960px) {
    #header {
        padding: 0 35px 0px 25px;
        height: 96px;
    }

    .header-logo {
        height: 48px;
    }

    #header.scrolled .header-logo {
        height: 38px;
    }

    .nav-toggle {
        display: block;
    }

    nav {
        position: fixed;
        top: 18px;
        right: 18px;
        flex-direction: column;
        align-items: flex-end;
        justify-content: center;
        gap: 28px;
        width: min(82vw, 420px);
        max-height: calc(100vh - 36px);
        padding: 96px 44px 52px;
        background: var(--lavender);
        border-radius: 44px;
        box-shadow: 0 24px 60px rgba(48, 48, 68, .22);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-12px) scale(.97);
        transform-origin: top right;
        transition: opacity .35s ease, transform .35s ease, visibility .35s ease;
        z-index: 300;
        overflow-y: auto;
    }

    nav a {
        color: #fff;
        font-size: 17px;
        letter-spacing: .06em;
        text-align: right;
    }

    nav a::after {
        background: #fff;
        left: auto;
        right: 0;
    }

    nav a:hover {
        color: #fff;
        opacity: .85;
    }

    body.nav-open nav {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }

    body.nav-open {
        overflow: hidden;
    }

    .text-end-mobile {
        text-align: end;
    }
}

@media (max-width: 768px) {
    .no-mobile {
        display: none;
    }

    .only-mobile {
        display: block;
    }

    .text-start-mobile {
        text-align: start;
        line-height: normal;
    }

    footer {
        padding: 48px 16px 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 480px) {
    #header {
        padding: 0 20px 0 16px;
        height: 84px;
    }

    .header-logo {
        height: 40px;
    }

    nav {
        top: 12px;
        right: 12px;
        width: calc(100vw - 24px);
        padding: 88px 32px 44px;
        gap: 22px;
        border-radius: 36px;
    }

    nav a {
        font-size: 15px;
    }

    .nav-toggle {
        width: 52px;
        height: 48px;
        border-radius: 12px;
    }

    .nav-toggle span {
        width: 22px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}