/* ============================================
   PIWI GROUPE - Design System v5.0 DARK THEME
   Migré vers thème sombre - Février 2026
   ============================================ */

/* === Variables CSS === */
:root {
    --color-primary: #FF8C42;
    --color-secondary: #5B9BD5;
    --color-accent: #FF8C42;
    --color-accent-dark: #ff7a2e;
    --color-bg-dark: #0A0F1E;
    --color-bg-card: #111827;
    --color-bg-card-hover: #1a2535;
    --color-bg-light: #0D1525;
    --color-white: #FFFFFF;
    --color-text: #E8EDF5;
    --color-text-light: #9BAFC7;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-accent: rgba(255, 140, 66, 0.3);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.7);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-dark);
    font-size: 16px;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

.lead-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === Sections === */
.section {
    padding: 5rem 0;
    position: relative;
    background-color: var(--color-bg-dark);
}

.section--light {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Separateur orange sous h2 */
.section__header h2::after,
.section > .container > h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    border-radius: 2px;
    margin: 1rem auto 0;
}

.cta h2::after,
.hero h1::after,
.hero h2::after {
    display: none !important;
}

/* ==============================
   HEADER & NAVIGATION
   ============================== */
.header {
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.header__logo img {
    height: 55px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__menu li a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    white-space: nowrap;
}

.nav__menu li a i {
    font-size: 0.9rem;
    opacity: 0.7;
}

.nav__menu li a:hover {
    background: rgba(255, 140, 66, 0.1);
    color: var(--color-accent);
}

.nav__menu li a:hover i {
    opacity: 1;
}

.nav__menu a.active {
    color: var(--color-accent);
    background: rgba(255, 140, 66, 0.12);
    font-weight: 600;
}

.nav__menu a.active i {
    opacity: 1;
}

/* Bouton Contact dans le menu */
.nav__menu .btn.btn--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white) !important;
    border-radius: 50px;
    font-weight: 600;
}

.nav__menu .btn.btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 140, 66, 0.35);
    background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
}

.nav__menu .btn.btn--primary i {
    opacity: 1;
}

/* Menu burger */
.nav__toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

/* ==============================
   HERO SECTION
   ============================== */
.hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(6, 10, 20, 0.97), rgba(10, 21, 40, 0.95)),
                url('../images/fond.jpg') center/cover no-repeat;
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 140, 66, 0.08), transparent 55%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 850px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 140, 66, 0.15);
    border: 1px solid rgba(255, 140, 66, 0.35);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
    letter-spacing: 1px;
}

.hero__logo {
    width: 180px;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.5));
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: var(--spacing-lg);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==============================
   BUTTONS
   ============================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    line-height: 1.4;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(255, 140, 66, 0.35);
}

.btn--primary::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn--primary:hover::after {
    width: 300px;
    height: 300px;
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(255, 140, 66, 0.45);
}

.btn--secondary {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--color-white);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-white);
    color: var(--color-white);
}

/* ==============================
   SERVICES GRID — 2x2
   ============================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* ==============================
   SERVICE CARDS
   ============================== */
.service-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    border-left: 4px solid transparent;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--color-accent);
    background: var(--color-bg-card-hover);
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* Icones modernisees */
.service-card__icon {
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.service-card__icon i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.15), rgba(91, 155, 213, 0.08));
    border-radius: 18px;
    font-size: 2rem;
    color: var(--color-accent);
    transition: all 0.4s ease;
}

.service-card:hover .service-card__icon i {
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    color: white;
    transform: scale(1.08);
    box-shadow: 0 8px 25px rgba(255, 140, 66, 0.35);
}

/* Icone = image logo (page accueil) */
.service-card__icon img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin: 0 auto;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
    transition: transform 0.4s ease;
}

.service-card:hover .service-card__icon img {
    transform: scale(1.1) rotate(3deg);
}

.service-card__title {
    font-size: 1.35rem;
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.service-card__description {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.service-card__content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-card__content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--color-white);
}

.service-card__content > p {
    flex-grow: 1;
}

/* Listes a puces propres */
.service-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-sm) 0;
}

.service-card__features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0;
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

.service-card__features li:last-child {
    border-bottom: none;
}

.service-card__features li i {
    color: var(--color-accent);
    font-size: 0.9rem;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: auto;
    padding-top: var(--spacing-sm);
    transition: var(--transition);
}

.service-card__link:hover {
    gap: 0.75rem;
    color: var(--color-accent-dark);
}

/* ==============================
   VALUES GRID — 2x2
   ============================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.value-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-accent);
}

.value-card__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.15), rgba(91, 155, 213, 0.06));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.value-card:hover .value-card__icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    box-shadow: 0 6px 20px rgba(255, 140, 66, 0.35);
}

.value-card__icon i {
    font-size: 1.75rem;
    color: var(--color-accent);
    transition: var(--transition);
}

.value-card:hover .value-card__icon i {
    color: var(--color-white);
}

.value-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.value-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ==============================
   STATS GRID — 4 colonnes
   ============================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background: var(--color-bg-card);
    padding: 2.5rem 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-accent);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card__number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-white), var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.stat-card__label {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ==============================
   SECTORS GRID — 3x2 (page drone)
   ============================== */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.sector-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-accent);
}

.sector-card__icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.sector-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.sector-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ==============================
   CTA SECTION
   ============================== */
.cta {
    background: linear-gradient(135deg, rgba(5, 8, 18, 0.99), rgba(13, 21, 37, 0.98)),
                url('../images/fond.jpg') center/cover no-repeat;
    border: 1px solid var(--color-border-accent);
    color: var(--color-white);
    text-align: center;
    padding: 4rem var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255, 140, 66, 0.08), transparent 70%);
    pointer-events: none;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.cta p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta .hero__buttons {
    position: relative;
    z-index: 1;
}

/* ==============================
   CONTACT PAGE
   ============================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info-card {
    background: var(--color-bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 1.25rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.contact-info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-accent);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--color-white);
    font-size: 1.15rem;
}

.contact-info-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
    color: var(--color-white);
}

.contact-info-card p {
    color: var(--color-text-light);
    margin: 0;
    font-size: 0.92rem;
}

.contact-info-card a {
    color: var(--color-accent);
    font-weight: 600;
}

.contact-info-card a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--color-bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.92rem;
}

.form-group .required {
    color: #f87171;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--color-bg-dark);
    color: var(--color-text);
}

.form-group select option {
    background: var(--color-bg-card);
    color: var(--color-text);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(155, 175, 199, 0.45);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    flex-shrink: 0;
    accent-color: var(--color-accent);
}

.checkbox-group label {
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.form-submit {
    width: 100%;
    justify-content: center;
    margin-top: 1.25rem;
}

/* ==============================
   FOOTER — 4 colonnes compactes
   ============================== */
.footer {
    background: linear-gradient(135deg, #060A14 0%, #0A0F1E 50%, #0D1525 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
    position: relative;
    border-top: 1px solid var(--color-border);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary), var(--color-accent));
}

.footer__compact {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 2rem;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.footer__brand-compact p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer__social {
    display: flex;
    gap: 0.6rem;
}

.footer__social a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.9rem;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.footer__social a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer__col h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: 0.6rem;
}

.footer__col h4::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 35px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__links li {
    margin-bottom: 0.45rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer__links a i {
    font-size: 0.75rem;
    opacity: 0.7;
}

.footer__contact-compact p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    line-height: 1.4;
}

.footer__contact-compact i {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.2rem;
    font-size: 0.8rem;
}

.footer__contact-compact a {
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer__contact-compact a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__bottom p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.82rem;
    margin: 0;
}

.footer__bottom a {
    color: var(--color-accent);
    font-weight: 600;
}

.footer__bottom a:hover {
    text-decoration: underline;
}


/* ==============================
   BACK TO TOP
   ============================== */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 16px rgba(255, 140, 66, 0.4);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    transform: translateY(-4px);
    box-shadow: 0 6px 22px rgba(255, 140, 66, 0.5);
}

.back-to-top i {
    font-size: 1.1rem;
}

/* ==============================
   ANIMATIONS
   ============================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ==============================
   RESPONSIVE — Tablette (< 992px)
   ============================== */
@media (max-width: 992px) {
    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__compact {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ==============================
   RESPONSIVE — Tablette portrait (< 768px)
   ============================== */
@media (max-width: 768px) {
    .section {
        padding: 3.5rem 0;
    }

    .hero {
        min-height: 380px;
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    /* Menu mobile */
    .nav__toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #0A0F1E;
        border-left: 1px solid var(--color-border);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem var(--spacing-md) var(--spacing-md);
        box-shadow: -4px 0 30px rgba(0, 0, 0, 0.6);
        transition: right 0.35s ease;
        z-index: 1000;
        gap: 0.25rem;
        overflow-y: auto;
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__menu li a {
        padding: 0.9rem 1rem;
        font-size: 1rem;
        border-radius: var(--radius-sm);
        width: 100%;
    }

    .nav__menu li a:hover {
        background: rgba(255, 140, 66, 0.1);
        color: var(--color-accent);
    }

    /* Grilles en 1 colonne */
    .services-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

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

    .hero__buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .cta {
        padding: 3rem var(--spacing-sm);
        border-radius: var(--radius-md);
    }
}

/* ==============================
   RESPONSIVE — Mobile (< 576px)
   ============================== */
@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .header__content {
        padding: 0.5rem 0;
    }

    .header__logo img {
        height: 42px;
    }

    .hero {
        min-height: 320px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .services-grid,
    .values-grid,
    .sectors-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: 1.75rem 1rem;
    }

    .stat-card__number {
        font-size: 2.25rem;
    }

    .footer__compact {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer__col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer__social {
        justify-content: center;
    }

    .footer__contact-compact p {
        justify-content: center;
        text-align: left;
    }

    .service-card,
    .value-card {
        padding: 1.5rem;
    }

    .service-card__icon i {
        width: 60px;
        height: 60px;
        font-size: 1.75rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .whatsapp-float {
        width: 48px;
        height: 48px;
        bottom: 20px;
        left: 20px;
    }

    .whatsapp-float i {
        font-size: 1.4rem;
    }

    .back-to-top {
        width: 42px;
        height: 42px;
        bottom: 20px;
        right: 20px;
    }
}

/* ==============================
   RESPONSIVE — Petit mobile (< 400px)
   ============================== */
@media (max-width: 400px) {
    body {
        font-size: 14px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-card__number {
        font-size: 2rem;
    }
}

/* ==============================
   PRINT
   ============================== */
@media print {
    .header, .whatsapp-float, .back-to-top, .nav__toggle, .hero__buttons, .cta {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }

    body {
        color: #000;
        background: #fff;
    }
}