/* ============================================
   STRUCTURA SERVICES - Site web
   Style moderne et professionnel
   ============================================ */

:root {
    --color-primary: #1a2547;       /* bleu nuit logo */
    --color-accent: #f5b91d;        /* jaune logo */
    --color-accent-dark: #d99e0a;
    --color-dark: #0f1730;
    --color-light: #f8f9fc;
    --color-gray: #6b7280;
    --color-gray-light: #e5e7eb;
    --color-white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --container: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #1f2937;
    line-height: 1.6;
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--color-accent-dark);
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== HEADER / NAVIGATION ===== */
.site-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    max-width: var(--container);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 60px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--color-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

nav a {
    color: var(--color-primary);
    font-weight: 500;
    padding: 10px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
}

nav a:hover, nav a.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.cta-nav {
    background: var(--color-accent);
    color: var(--color-primary) !important;
    font-weight: 700;
    margin-left: 8px;
}

.cta-nav:hover {
    background: var(--color-primary);
    color: var(--color-white) !important;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    padding: 100px 0 90px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50px;
    right: -50px;
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    transform: rotate(45deg);
    opacity: 0.08;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero h1 .accent {
    color: var(--color-accent);
}

.hero p.lead {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-accent-dark);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* ===== PAGE HEADER (sub-pages) ===== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    padding: 70px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 250px;
    height: 250px;
    background: var(--color-accent);
    transform: rotate(45deg);
    opacity: 0.1;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    font-weight: 800;
}

.page-header h1::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: var(--color-accent);
    margin: 18px auto 0;
}

.page-header p {
    opacity: 0.85;
    font-size: 1.1rem;
}

/* ===== SECTIONS ===== */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title .eyebrow {
    color: var(--color-accent-dark);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: block;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--color-primary);
    font-weight: 800;
}

.section-title h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin: 16px auto 0;
}

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

/* ===== CARDS / SERVICES ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid var(--color-accent);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 18px;
}

.card h3 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* ===== FEATURE GRID (Nos services - values) ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 30px 20px;
}

.value-circle {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-primary);
    font-size: 2.5rem;
    font-weight: 800;
    box-shadow: 0 10px 25px rgba(245,185,29,0.35);
}

.value-circle.alt {
    background: var(--color-primary);
    color: var(--color-accent);
    box-shadow: 0 10px 25px rgba(26,37,71,0.35);
}

.value-item h3 {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.value-item p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
}

.about-text h2 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.about-text h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin-top: 16px;
}

.about-text p {
    color: #4b5563;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat {
    text-align: center;
    padding: 20px 12px;
    background: var(--color-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-accent);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== GALLERY ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(26,37,71,0.7) 100%);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-caption {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    color: var(--color-white);
    font-weight: 600;
    z-index: 2;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
    transform: translateY(0);
}

/* ===== CONTACT INFO ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.contact-card {
    background: var(--color-white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--color-primary);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 16px;
}

.contact-card h3 {
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-card a, .contact-card p {
    color: #4b5563;
    font-weight: 500;
    font-size: 1.05rem;
    word-wrap: break-word;
}

.contact-card a:hover {
    color: var(--color-accent-dark);
}

.address-block {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.address-block h3 {
    color: var(--color-accent);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 1rem;
}

.address-block p {
    font-size: 1.15rem;
    line-height: 1.8;
}

/* ===== CTA BAND ===== */
.cta-band {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100px;
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    transform: rotate(45deg);
    opacity: 0.08;
}

.cta-band h2 {
    font-size: 2rem;
    margin-bottom: 14px;
    font-weight: 800;
}

.cta-band p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 28px;
}

/* ===== FOOTER ===== */
footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.85);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand img {
    height: 70px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

footer h4 {
    color: var(--color-accent);
    margin-bottom: 18px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 10px;
}

footer ul li a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    font-size: 0.95rem;
}

footer ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .nav-wrap { padding: 12px 20px; }
    nav ul {
        position: absolute;
        top: 100%;
        right: 20px;
        background: var(--color-white);
        flex-direction: column;
        padding: 14px;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        min-width: 200px;
        display: none;
    }
    nav ul.open { display: flex; }
    .menu-toggle { display: block; }

    .hero { padding: 60px 0; }
    .hero h1 { font-size: 2.2rem; }
    .hero-grid { grid-template-columns: 1fr; gap: 30px; }
    .about-grid { grid-template-columns: 1fr; gap: 30px; }
    .values-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .page-header h1 { font-size: 1.9rem; }
    .section-title h2 { font-size: 1.7rem; }
    section { padding: 50px 0; }
    .about-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 500px) {
    .footer-grid { grid-template-columns: 1fr; }
    .logo-text { display: none; }
    .hero h1 { font-size: 1.8rem; }
    .about-stats { grid-template-columns: 1fr; }
}