/* ============================================
   Saxho.net — Layout (Header, Footer, Grid)
   ============================================ */

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }

/* --- Section --- */
.section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.section--dark {
    background-color: var(--c-dark);
    color: var(--c-light);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--c-white);
}

.section--surface {
    background-color: var(--c-surface);
}

.section--gradient {
    background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-dark-soft) 100%);
    color: var(--c-light);
}

.section--gradient h2,
.section--gradient h3 {
    color: var(--c-white);
}

.section__header {
    text-align: center;
    margin-bottom: var(--sp-3xl);
}

.section__title {
    margin-bottom: var(--sp-md);
}

.section__subtitle {
    font-size: var(--fs-body-lg);
    color: var(--c-medium);
    max-width: 700px;
    margin: 0 auto;
    line-height: var(--lh-relaxed);
}

.section--dark .section__subtitle,
.section--gradient .section__subtitle {
    color: var(--c-muted);
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-header);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

/* Quand le menu mobile est ouvert, le header passe au-dessus de tout */
.site-header.nav-is-open {
    z-index: var(--z-overlay);
    height: auto;
}

/* Quand menu ouvert sur fond scrolle : neutraliser le fond clair du header */
.site-header.nav-is-open.is-scrolled,
.site-header.nav-is-open.header--light {
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

.site-header.is-scrolled,
.site-header.header--light {
    background-color: rgba(248, 247, 244, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
}

.site-header.is-scrolled .nav__link,
.site-header.is-scrolled .logo__text,
.site-header.header--light .nav__link,
.site-header.header--light .logo__text {
    color: var(--c-dark);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.header__logo {
    text-decoration: none;
    z-index: calc(var(--z-header) + 1);
}

.logo__text {
    font-family: 'Outfit', var(--ff-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--c-white);
    letter-spacing: -0.01em;
    transition: color var(--transition-normal);
}

.logo__text--light {
    color: var(--c-white);
}

.logo__accent {
    color: var(--c-accent);
}

/* Navigation */
.header__nav {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    gap: var(--sp-xl);
    align-items: center;
}

.nav__link {
    font-family: var(--ff-body);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--sp-xs) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--c-secondary);
    transition: width var(--transition-normal);
}

.nav__link:hover {
    color: var(--c-white);
}

.site-header.is-scrolled .nav__link:hover,
.site-header.header--light .nav__link:hover {
    color: var(--c-primary);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.site-header.is-scrolled .nav__link::after,
.site-header.header--light .nav__link::after {
    background-color: var(--c-secondary);
}

/* Bouton outline : adapte au fond clair du header scrolle */
.site-header.is-scrolled .btn--outline,
.site-header.header--light .btn--outline {
    color: var(--c-dark);
    border-color: var(--c-dark);
}

.site-header.is-scrolled .btn--outline:hover,
.site-header.header--light .btn--outline:hover {
    background-color: var(--c-dark);
    color: var(--c-white);
    border-color: var(--c-dark);
}

/* Quand menu ouvert : forcer les couleurs blanches meme si is-scrolled/header--light
   IMPORTANT : ces regles DOIVENT etre APRES les regles is-scrolled ci-dessus
   pour gagner a specificite egale (cascade CSS) */
.site-header.nav-is-open .nav__link,
.site-header.nav-is-open.is-scrolled .nav__link,
.site-header.nav-is-open.header--light .nav__link {
    color: rgba(255, 255, 255, 0.8);
}

.site-header.nav-is-open .nav__link:hover,
.site-header.nav-is-open.is-scrolled .nav__link:hover,
.site-header.nav-is-open.header--light .nav__link:hover {
    color: var(--c-white);
}

.site-header.nav-is-open .nav__link::after,
.site-header.nav-is-open.is-scrolled .nav__link::after,
.site-header.nav-is-open.header--light .nav__link::after {
    background-color: var(--c-white);
}

.site-header.nav-is-open .logo__text,
.site-header.nav-is-open.is-scrolled .logo__text,
.site-header.nav-is-open.header--light .logo__text {
    color: var(--c-white);
}

.site-header.nav-is-open .burger__line,
.site-header.nav-is-open.is-scrolled .burger__line,
.site-header.nav-is-open.header--light .burger__line {
    background-color: var(--c-white);
}

/* Bouton outline : retour au blanc quand menu mobile ouvert (fond sombre) */
.site-header.nav-is-open .btn--outline,
.site-header.nav-is-open.is-scrolled .btn--outline,
.site-header.nav-is-open.header--light .btn--outline {
    color: var(--c-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.site-header.nav-is-open .btn--outline:hover,
.site-header.nav-is-open.is-scrolled .btn--outline:hover,
.site-header.nav-is-open.header--light .btn--outline:hover {
    background-color: var(--c-white);
    color: var(--c-dark);
    border-color: var(--c-white);
}

/* Header actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
}

/* Header auth — user-menu (avatar + dropdown) */
.user-menu {
    position: relative;
}

.user-menu__trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    padding: 0;
    cursor: pointer;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.user-menu__trigger:hover {
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.site-header.is-scrolled .user-menu__trigger,
.site-header.header--light .user-menu__trigger {
    border-color: rgba(0, 0, 0, 0.15);
}

.site-header.is-scrolled .user-menu__trigger:hover,
.site-header.header--light .user-menu__trigger:hover {
    border-color: var(--c-primary-light);
}

.user-menu__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: var(--c-accent);
    color: var(--c-white);
    font-family: var(--ff-display);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    line-height: 1;
    user-select: none;
}

/* Dropdown */
.user-menu__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + var(--sp-xs));
    right: 0;
    min-width: 220px;
    background-color: var(--c-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0, 0, 0, 0.08);
    z-index: var(--z-dropdown, 100);
    overflow: hidden;
    animation: user-menu-in 200ms ease;
}

.user-menu__dropdown.is-open {
    display: block;
}

@keyframes user-menu-in {
    from { opacity: 0; transform: translateY(-8px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.user-menu__info {
    padding: var(--sp-md) var(--sp-lg);
}

.user-menu__name {
    display: block;
    font-weight: var(--fw-semibold);
    font-size: var(--fs-small);
    color: var(--c-dark);
    margin-bottom: 2px;
}

.user-menu__email {
    display: block;
    font-size: var(--fs-xs);
    color: var(--c-medium);
}

.user-menu__sep {
    border: none;
    height: 1px;
    background-color: var(--c-surface);
    margin: 0;
}

.user-menu__item {
    display: block;
    width: 100%;
    padding: var(--sp-sm) var(--sp-lg);
    font-family: var(--ff-body);
    font-size: var(--fs-small);
    color: var(--c-dark);
    text-align: left;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.user-menu__item:hover {
    background-color: var(--c-surface);
}

.user-menu__item--danger {
    color: #D32F2F;
}

.user-menu__item--danger:hover {
    background-color: #FFF0F0;
}

/* Auth buttons (non-connecte) */
.header__auth-buttons {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
}

/* Language switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-wide);
}

.lang-switcher__link {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
    padding: var(--sp-2xs) var(--sp-xs);
}

.lang-switcher__link:hover,
.lang-switcher__link--active {
    color: var(--c-white);
}

.site-header.is-scrolled .lang-switcher__link,
.site-header.header--light .lang-switcher__link {
    color: var(--c-muted);
}

.site-header.is-scrolled .lang-switcher__link:hover,
.site-header.is-scrolled .lang-switcher__link--active,
.site-header.header--light .lang-switcher__link:hover,
.site-header.header--light .lang-switcher__link--active {
    color: var(--c-dark);
}

.lang-switcher__sep {
    color: rgba(255, 255, 255, 0.3);
}

.site-header.is-scrolled .lang-switcher__sep,
.site-header.header--light .lang-switcher__sep {
    color: var(--c-muted);
}

/* Burger */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--sp-sm);
    z-index: calc(var(--z-header) + 1);
}

.burger__line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--c-white);
    transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.site-header.is-scrolled .burger__line,
.site-header.header--light .burger__line {
    background-color: var(--c-dark);
}

/* Quand le menu est ouvert, burger toujours blanc (fond noir overlay) */
.header__burger.is-open .burger__line {
    background-color: var(--c-white);
}

.header__burger.is-open .burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__burger.is-open .burger__line:nth-child(2) {
    opacity: 0;
}

.header__burger.is-open .burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Page Hero (shared for inner pages) --- */
.page-hero {
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-primary-dark) 100%);
    padding: var(--sp-4xl) 0 var(--sp-3xl);
    position: relative;
    overflow: hidden;
}

.page-hero__title {
    font-family: var(--ff-display);
    font-size: var(--fs-h1);
    font-weight: var(--fw-bold);
    color: var(--c-white);
    margin-bottom: var(--sp-lg);
    line-height: var(--lh-tight);
}

.page-hero__subtitle {
    font-size: var(--fs-body-lg);
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--lh-relaxed);
}

/* Wind flow canvas (animated background for page heroes) */
.page-hero__wind-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.page-hero > .container {
    position: relative;
    z-index: 1;
}

/* --- Main content (pages interieures avec offset header) --- */
.main--inner {
    padding-top: var(--header-height);
}

/* --- Footer --- */
.site-footer {
    background-color: var(--c-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--sp-3xl) 0 var(--sp-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--sp-2xl);
    margin-bottom: var(--sp-2xl);
}

.footer__brand .logo__text {
    font-size: 1.5rem;
    margin-bottom: var(--sp-sm);
    display: block;
}

.footer__tagline {
    font-style: italic;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--fs-small);
}

.footer__heading {
    font-family: var(--ff-display);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--c-white);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    margin-bottom: var(--sp-md);
}

.footer__links ul li,
.footer__ecosystem ul li,
.footer__contact address p {
    margin-bottom: var(--sp-sm);
    font-size: var(--fs-small);
}

.site-footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: var(--c-secondary);
}

.footer__contact address {
    font-style: normal;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--sp-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.4);
}

.footer__legal {
    display: flex;
    gap: var(--sp-sm);
    align-items: center;
}

.footer__sep {
    color: rgba(255, 255, 255, 0.2);
}

/* --- Grid utilities --- */
.grid {
    display: grid;
    gap: var(--sp-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

/* --- Flex utilities --- */
.flex { display: flex; }
.flex--center { align-items: center; justify-content: center; }
.flex--between { align-items: center; justify-content: space-between; }
.flex--col { flex-direction: column; }
.flex--wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); }
.gap-lg { gap: var(--sp-lg); }
.gap-xl { gap: var(--sp-xl); }

/* --- Text utilities --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--c-medium); }