/*
 * CSS Principal - PROPELTRANS / Krad Solution
 * Adapté du template Split Portfolio - Tooplate
 * Transport routier de fret - Metz
 */

/* ===== RESET & VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #1e2228;
    --bg-medium: #252b33;
    --bg-light: #2d3540;
    --bg-header: #161b21;
    --text-primary: #f0f2f5;
    --text-secondary: #8a9bb0;
    --accent: #e8a020;        /* Orange transport */
    --accent-hover: #f0b840;
    --accent-dark: #c07010;
    --white: #ffffff;
    --border: rgba(255,255,255,0.08);
    --font-main: 'Archivo', sans-serif;
    --font-serif: 'Crimson Pro', serif;
    --radius: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(22, 27, 33, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--accent);
    opacity: 1;
}

.logo span {
    color: var(--accent);
}

.logo-icon {
    width: 42px;
    height: 30px;
}

/* Navigation desktop */
.desktop-nav {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.desktop-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.desktop-nav a:hover,
.desktop-nav a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Icône menu mobile */
.menu-icon {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-icon span,
.menu-icon span::before,
.menu-icon span::after {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    position: relative;
}

.menu-icon span::before,
.menu-icon span::after {
    content: '';
    position: absolute;
}

.menu-icon span::before { top: -7px; }
.menu-icon span::after { top: 7px; }

/* ===== NAVIGATION MOBILE ===== */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-header);
    z-index: 2000;
    padding: 5rem 2rem 2rem;
    transition: right 0.3s ease;
    border-left: 1px solid var(--border);
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    margin-bottom: 3rem;
}

.mobile-nav ul li {
    border-bottom: 1px solid var(--border);
}

.mobile-nav ul a {
    display: block;
    padding: 1.2rem 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
}

.mobile-nav ul a:hover {
    color: var(--accent);
    padding-left: 10px;
}

.mobile-nav-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.mobile-nav-close:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

.mobile-nav-footer p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.mobile-nav-footer a {
    color: var(--accent);
    font-weight: 600;
}

/* Overlay mobile nav */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ===== MAIN (décalage pour le header fixe) ===== */
main {
    padding-top: 72px;
}

/* ===== SECTION HERO / CAROUSEL ===== */
.hero-section {
    position: relative;
    height: 55vh;
    min-height: 350px;
    overflow: hidden;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    background: #f2f2f2;   /* fond clair : PNG transparent → blanc propre */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.carousel-slide.active {
    opacity: 1;
}

/* L'image occupe tout le cadre sans déformation */
.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;   /* image entière visible, sans crop, sans distorsion */
    display: block;
}

/* Slide par défaut (aucune image uploadée) */
.carousel-default {
    background: linear-gradient(135deg, #1a2332 0%, #0d1520 50%, #1a2332 100%);
}

/* Contenu SEO uniquement — invisible à l'écran, lu par les moteurs */
.seo-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* Boutons carousel */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(232, 160, 32, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.carousel-prev { left: 2%; }
.carousel-next { right: 2%; }

/* Points de navigation carousel */
.carousel-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.6rem;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.5);
}

.carousel-dot.active,
.carousel-dot:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.2);
}

/* ===== BOUTONS ===== */
.btn-hero {
    display: inline-block;
    background: var(--accent);
    color: var(--bg-dark);
    padding: 0.9rem 2.2rem;
    border-radius: 3px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
    width: fit-content;
}

.btn-hero:hover {
    background: var(--accent-hover);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 160, 32, 0.35);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--accent);
    padding: 0.85rem 2rem;
    border: 2px solid var(--accent);
    border-radius: 3px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
    width: fit-content;
}

.btn-secondary:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

/* ===== SECTION PRÉSENTATION ===== */
.presentation-section {
    padding: 5rem 5%;
    background: var(--bg-medium);
}

.presentation-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.presentation-text h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
    line-height: 1.3;
}

.presentation-text p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.8;
}

.presentation-text strong {
    color: var(--accent);
}

.presentation-text .btn-secondary {
    margin-top: 1.5rem;
}

/* Cards stats / points forts */
.presentation-stats {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.stat-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    border-left-color: var(--accent-hover);
    transform: translateX(4px);
}

.stat-icon {
    color: var(--accent);
    font-size: 1.4rem;
    margin-top: 2px;
    min-width: 24px;
}

.stat-card h3 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== SECTION CTA ===== */
.cta-section {
    padding: 4rem 5%;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2a1a 100%);
    text-align: center;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

/* ===== EN-TÊTE DE PAGE (services, contact) ===== */
.page-header {
    background: linear-gradient(135deg, var(--bg-header) 0%, var(--bg-medium) 100%);
    padding: 4rem 5%;
    text-align: center;
    border-bottom: 2px solid var(--accent);
}

.page-header-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.8rem;
}

.page-header-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* ===== PAGE SERVICES ===== */
.services-section {
    padding: 5rem 5%;
    background: var(--bg-dark);
}

.services-container {
    max-width: 1200px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-medium);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    border-color: rgba(232, 160, 32, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

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

.service-icon-wrapper {
    margin-bottom: 1.2rem;
}

.service-icon {
    font-size: 2.2rem;
    color: var(--accent);
}

.service-image {
    margin-bottom: 1.2rem;
    border-radius: 6px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.service-number {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.8rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== PAGE CONTACT ===== */
.contact-section {
    padding: 5rem 5%;
    background: var(--bg-dark);
}

.contact-split {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Bloc infos gauche */
.contact-info h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 0.4rem;
}

.contact-subtitle {
    color: var(--accent);
    font-size: 0.95rem;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    background: rgba(232, 160, 32, 0.1);
    border: 1px solid rgba(232, 160, 32, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-item-content h4 {
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.contact-item-content p,
.contact-item-content a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-item-content a:hover {
    color: var(--accent);
}

.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-top: 1rem;
}

/* Formulaire de contact */
.contact-form-wrapper {
    background: var(--bg-medium);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
}

.contact-form-wrapper h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.4rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.form-group label i {
    margin-right: 6px;
    color: var(--accent);
}

.form-control {
    width: 100%;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(232, 160, 32, 0.12);
}

.form-control::placeholder {
    color: rgba(138, 155, 176, 0.6);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

.form-error {
    color: #e05555;
    font-size: 0.82rem;
    margin-top: 0.4rem;
    display: block;
}

.submit-btn {
    width: 100%;
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    padding: 1rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font-main);
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 160, 32, 0.3);
}

.submit-btn i {
    margin-right: 8px;
}

/* Messages Django */
.django-messages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.alert-success {
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid rgba(40, 167, 69, 0.3);
    color: #5fcf7a;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.15);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: #ffc107;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-header);
    border-top: 1px solid var(--border);
    padding: 2rem 5%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-content strong {
    color: var(--accent);
}

.footer-center i {
    color: var(--accent);
    margin-right: 5px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .desktop-nav {
        display: none;
    }

    .menu-icon {
        display: flex;
    }

    .presentation-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-split {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 600px) {
    header {
        padding: 1rem 4%;
    }

    .slide-content {
        padding: 0 5%;
    }

    .slide-title {
        font-size: 1.8rem;
    }

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

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

    .presentation-section,
    .services-section,
    .contact-section {
        padding: 3rem 4%;
    }
}