/* header.css - Styles dédiés pour le header TrackYourMobile */

/* ========================================
   VARIABLES CSS
   ======================================== */
:root {
    /* Hauteurs du header */
    --header-height: 90px;
    --header-height-scrolled: 75px;
    
    /* Taille du logo */
    --logo-size: 50px;
}

/* ========================================
   STYLES DE BASE
   ======================================== */

/* Reset pour le menu ouvert */
body.menu-open {
    overflow: hidden;
}

/* Ajustement du body pour le header fixe */
body {
    padding-top: var(--header-height);
}

/* Header principal */
.site-header {
    background-color: var(--white);
    padding: 0;
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

/* Header scrollé */
.site-header.scrolled {
    height: var(--header-height-scrolled);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

/* Header caché au scroll (mobile) */
.site-header.header-hidden {
    transform: translateY(-100%);
}

/* Container navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
}

/* ========================================
   LOGO ET MARQUE - CENTRAGE UNIVERSEL
   ======================================== */

/* Logo container */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    z-index: 10;
}

.navbar-brand:hover {
    transform: translateY(-1px);
}

/* Logo wrapper */
.logo-wrapper {
    width: var(--logo-size);
    height: var(--logo-size);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Logo SVG */
.logo-svg {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.navbar-brand:hover .logo-svg {
    transform: scale(1.05);
}

/* Texte de la marque - CENTRAGE PARFAIT */
.brand-text {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1;
    display: flex;
    align-items: center;
}

.brand-main {
    color: var(--deep-blue);
}

.brand-accent {
    color: var(--primary);
}

/* ========================================
   NAVIGATION DESKTOP
   ======================================== */

/* Container navigation */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Liens de navigation */
.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--dark-gray);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link i {
    font-size: 0.9rem;
    transition: transform 0.2s ease;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover i {
    transform: translateY(-1px);
}

/* Soulignement au survol */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Bouton connexion */
.login-btn {
    background: linear-gradient(135deg, var(--primary) 0%, #00a3ff 100%);
    color: white !important;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 119, 204, 0.25);
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 119, 204, 0.35);
    color: white !important;
}

.login-btn i {
    font-size: 0.85rem;
}

/* ========================================
   MENU HAMBURGER (caché sur desktop)
   ======================================== */

.hamburger {
    display: none;
    width: 28px;
    height: 20px;
    position: relative;
    cursor: pointer;
    z-index: 10;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--primary);
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 8px;
}

.hamburger span:nth-child(3) {
    top: 16px;
}

/* Hamburger actif */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 8px;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 8px;
}

/* ========================================
   RESPONSIVE - TABLETTES (991px et moins)
   ======================================== */

@media (max-width: 991px) {
    :root {
        --header-height: 80px;
        --header-height-scrolled: 70px;
        --logo-size: 45px;
    }
    
    .brand-text {
        font-size: 1.25rem;
        height: var(--logo-size);
    }
    
    .nav-links {
        gap: 1.5rem;
    }
}

/* ========================================
   RESPONSIVE - MOBILE (768px et moins)
   ======================================== */

@media (max-width: 768px) {
    :root {
        --header-height: 75px;
        --header-height-scrolled: 65px;
        --logo-size: 45px;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    /* Afficher le hamburger */
    .hamburger {
        display: block;
    }
    
    /* Menu mobile plein écran */
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0;
        z-index: 5;
    }
    
    .nav-links.active {
        transform: translateX(0);
        opacity: 1;
    }
    
    /* Adaptation des liens pour mobile */
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem 0;
        width: 100%;
        justify-content: center;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link i {
        font-size: 1.1rem;
    }
    
    /* Bouton login adapté mobile */
    .login-btn {
        width: 80%;
        max-width: 300px;
        justify-content: center;
        padding: 1rem;
        font-size: 1rem;
        margin-top: 1rem;
    }
    
    /* Ajustements pour mobile */
    .brand-text {
        font-size: 1.1rem;
        line-height: 1.05;
        height: var(--logo-size);
    }
    
    .navbar-brand {
        gap: 10px;
    }
}

/* ========================================
   RESPONSIVE - TRÈS PETITS ÉCRANS (480px et moins)
   ======================================== */

@media (max-width: 480px) {
    :root {
        --header-height: 70px;
        --header-height-scrolled: 60px;
        --logo-size: 45px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .navbar-brand {
        gap: 2px;
    }
    
    .brand-text {
        font-size: 0.95rem;
        line-height: 1.05;
        height: var(--logo-size);
    }
}

/* ========================================
   ACCESSIBILITÉ
   ======================================== */

.nav-link:focus,
.login-btn:focus,
.hamburger:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ========================================
   ANIMATIONS
   ======================================== */

/* Animation supprimée pour éviter le glissement au chargement */
/*
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
*/