/* ==========================================================================
   1. POLICES & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800;900&display=swap');

:root {
    --sos-red: #e30613;    /* Rouge vif identitaire */
    --sos-red-dark: #b80510;
    --sos-green: #22c55e;  /* Vert standardisé */
    --sos-green-hover: #16a34a;
    --sos-dark: #1a1a1a;   /* Noir anthracite */
    --sos-gray: #4b5563;
    --transition-standard: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. STYLES DE BASE
   ========================================================================== */
body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--sos-dark);
    overflow-x: hidden;
}

.bg-sos-red { background-color: var(--sos-red); }
.text-sos-red { color: var(--sos-red); }
.bg-sos-green { background-color: var(--sos-green); }
.bg-sos-dark { background-color: var(--sos-dark); }

/* ==========================================================================
   3. NAVIGATION (DYNAMIQUE ET MOBILE)
   ========================================================================== */
nav {
    transition: all 0.3s ease;
    z-index: 50;
}

/* Effet au scroll via JS */
.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
}

/* Soulignement des liens desktop */
.nav-link {
    position: relative;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--sos-red);
    transition: width 0.3s ease;
}

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

/* Menu Mobile */
#mobileMenu.active { transform: translateX(0); }
#menuOverlay.active { display: block; opacity: 1; }
#servicesSubmenu { transition: max-height 0.3s ease-out; }
.rotate-180 { transform: rotate(180deg); }

/* ==========================================================================
   4. SECTIONS HERO ET DESIGN
   ========================================================================== */
.hero-gradient {
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.6)), url('../img/services/slide.png');
    height: 100vh;
    min-height: 500px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
}

.hero-inner {
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.7)), url('../img/services/sossecurity_local.png');
    background-size: cover;
    background-position: center;
}

.text-outline {
    -webkit-text-stroke: 1px rgba(255,255,255,0.3);
    color: transparent;
    font-weight: 900;
    text-transform: uppercase;
}

.font-black-italic {
    font-weight: 900;
    font-style: italic;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   5. COMPOSANTS (CARTES ET BOUTONS)
   ========================================================================== */
/* Cartes de Services */
.service-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-standard);
    opacity: 1;
    transform: translateY(0);
    will-change: transform, opacity;
}

.service-card .p-4 {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-separator {
    border-top: 1px solid rgba(156, 163, 175, 0.25);
    margin-top: auto;
    padding-top: 1.25rem;
    display: block;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.service-card img { transition: transform 0.6s ease; }
.service-card:hover img { transform: scale(1.08); }

/* Cartes Valeurs */
.values-card:hover .values-border {
    width: 80px;
    background-color: var(--sos-red);
}

.values-border {
    width: 40px;
    height: 4px;
    background-color: #e5e7eb;
    margin: 1rem auto 0;
    transition: var(--transition-standard);
}

/* Bouton SOS Green */
.btn-sos-green {
    background-color: var(--sos-green);
    transition: var(--transition-standard);
    cursor: pointer;
    border: none;
}

.btn-sos-green:hover {
    background-color: var(--sos-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(34, 197, 94, 0.4);
}

/* ==========================================================================
   6. FORMULAIRES
   ========================================================================== */
.form-input {
    width: 100%;
    border: 1px solid #d1d5db;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    outline: none;
    transition: var(--transition-standard);
    background-color: #ffffff;
    font-size: 16px; 
}

.form-input:focus {
    border-color: var(--sos-red);
    box-shadow: 0 0 0 4px rgba(227, 6, 19, 0.1);
}

#submitBtn {
    background-color: var(--sos-green);
    border-radius: 0.75rem;
    padding: 1.25rem 2.5rem;
    font-weight: 900;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

#submitBtn:hover {
    background-color: var(--sos-green-hover);
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(34, 197, 94, 0.3);
}

/* ==========================================================================
   7. ANIMATIONS ET UTILITAIRES
   ========================================================================== */
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.animate-spin { animation: spin 1s linear infinite; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
#form-status { animation: fadeIn 0.4s ease; }

.animate-pulse-slow { animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

#goToTop {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(20px) !important;
    pointer-events: none !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

#goToTop.visible {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
}

/* ==========================================================================
   8. RESPONSIVITÉ ET ACCESSIBILITÉ
   ========================================================================== */
@media (max-width: 768px) {
    .hero-gradient { height: auto; padding: 60px 0; min-height: 100vh; }
}

@media (max-width: 640px) {
    h1 { font-size: 2.5rem !important; }
    h2 { font-size: 1.8rem !important; }
    .section-py { padding-top: 3rem; padding-bottom: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}