/* ==========================================================================
   CCRM — Frontend stylesheet
   ========================================================================== */

:root {
    --primary-color: #0a6e5a;
    --primary-dark: #07503f;
    --secondary-color: #0b4a8f;
    --accent-color: #780b23;
    --accent-dark: #5c0a1a;
    --text-color: #2a2f33;
    --text-light: #6b7280;
    --bg-light: #f6f8f7;
    --bg-white: #ffffff;
    --border-color: #e3e7e5;
    --shadow-sm: 0 2px 8px rgba(15, 35, 30, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 35, 30, 0.10);
    --shadow-lg: 0 20px 48px rgba(15, 35, 30, 0.16);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.4s ease-out;
    --font-base: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--text-color);
    background: var(--bg-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.6em; font-weight: 700; }

p { margin: 0 0 1em; color: var(--text-light); }

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--primary-color); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-md); }

.btn-accent { background: var(--accent-color); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); box-shadow: var(--shadow-md); }

.btn-outline-light { border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); }

.btn-lg { padding: 16px 34px; font-size: 1.05rem; }

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid transparent;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
    border-color: var(--border-color);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
}

.brand-logo { height: 46px; }

.main-nav { display: flex; align-items: center; gap: 32px; }

.main-nav ul { display: flex; gap: 28px; }

.main-nav a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
    position: relative;
    padding: 6px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition-base);
}

.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }

.main-nav a.active { color: var(--primary-color); }

.nav-cta { padding: 11px 22px; }

.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    width: 100%;
    height: 2px;
    background: var(--text-color);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Alerts ---------- */

.alert {
    margin: 16px auto 0;
    max-width: 1180px;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    animation: fade-in-down 0.4s ease;
}

.alert-success { background: #e4f6ec; color: #197a45; border: 1px solid #b6e6c9; }
.alert-error { background: #fdecea; color: #b3261e; border: 1px solid #f6c6c2; }

/* ---------- Hero ---------- */

.hero {
    position: relative;
    height: 86vh;
    min-height: 560px;
    overflow: hidden;
    background: #0c2a22;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero-slider { position: relative; height: 100%; }

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease;
}

.hero-slide.active { opacity: 1; visibility: visible; }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, rgba(7, 30, 24, 0.7) 0%, rgba(7, 30, 24, 0.5) 45%, rgba(7, 30, 24, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 720px;
    color: #fff;
}

.hero-eyebrow {
    color: #e8a0ab;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.hero-title { font-size: clamp(2rem, 4.2vw, 3.4rem); margin-bottom: 16px; }

.hero-subtitle { color: rgba(255,255,255,0.85); font-size: 1.15rem; max-width: 540px; }

.hero-actions { display: flex; gap: 16px; margin-top: 18px; flex-wrap: wrap; }

.hero-controls {
    position: absolute;
    bottom: 32px;
    left: 0;
    right: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.hero-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.08);
    color: #fff;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background var(--transition-base);
}

.hero-arrow:hover { background: rgba(255,255,255,0.25); }

.hero-dots { display: flex; gap: 10px; }

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-base);
}

.hero-dot.active { background: var(--accent-color); transform: scale(1.25); }

/* ---------- Stats band ---------- */

.stats-band {
    background: var(--primary-color);
    background: linear-gradient(120deg, var(--primary-dark), var(--primary-color));
    color: #fff;
    padding: 46px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-number, .stat-suffix {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
}

.stat-item p { color: rgba(255,255,255,0.8); margin: 6px 0 0; font-weight: 500; }

/* ---------- Sections ---------- */

.section { padding: 86px 0; }
.section-light { background: var(--bg-light); }

.section-heading { max-width: 640px; margin: 0 auto 48px; text-align: center; }

.section-tag {
    display: inline-block;
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.section-heading h2, .page-banner h1 { font-size: clamp(1.7rem, 3vw, 2.4rem); }

.page-banner {
    padding: 64px 0 40px;
    background: linear-gradient(120deg, var(--bg-light), #eef3f0);
    text-align: center;
}

.page-banner.has-image {
    position: relative;
    padding: 120px 0 80px;
    background-size: cover;
    background-position: center;
    isolation: isolate;
}

.page-banner.has-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(10, 40, 30, 0.78), rgba(10, 40, 30, 0.55));
    z-index: -1;
}

.page-banner.has-image .section-tag { color: #fff; }
.page-banner.has-image h1 { color: #fff; }

/* ---------- Services ---------- */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding-bottom: 24px;
}

.service-card {
    position: relative;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding-bottom: 30px;
    margin-bottom: 24px;
    overflow: visible;
    text-align: center;
    transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}

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

.service-card.is-featured { border-color: var(--accent-color); box-shadow: var(--shadow-md); }

.service-media {
    position: relative;
    margin: 14px 14px 0;
    height: 190px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.service-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.service-media-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.35);
}

.service-media-fallback svg { width: 64px; height: 64px; }

.service-icon {
    position: absolute;
    left: 50%;
    bottom: -29px;
    transform: translateX(-50%);
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--primary-dark);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: background var(--transition-base);
}

.service-card.is-featured .service-icon { background: var(--accent-color); }

.service-icon svg { width: 26px; height: 26px; }

.service-body { padding: 42px 26px 0; }

.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card p { font-size: 0.92rem; }

.service-arrow {
    position: absolute;
    left: 50%;
    bottom: -22px;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.service-arrow:hover { background: var(--accent-dark); transform: translateX(-50%) scale(1.08); }
.service-arrow svg { width: 18px; height: 18px; }

.service-card.is-featured .service-arrow { background: var(--primary-color); }
.service-card.is-featured .service-arrow:hover { background: var(--primary-dark); }

/* tilt effect helper (JS sets transform) */
.tilt { transform-style: preserve-3d; will-change: transform; }

/* ---------- About teaser ---------- */

.about-teaser-grid, .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.about-grid.reverse { direction: rtl; }
.about-grid.reverse > * { direction: ltr; }

.about-teaser-image img, .about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    color: var(--text-color);
    font-weight: 500;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-color);
    font-weight: 800;
}

/* ---------- Campaigns ---------- */

.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.campaign-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 26px;
    border-top: 4px solid var(--primary-color);
}

.campaign-dates { font-size: 0.85rem; color: var(--text-light); margin: 0; }

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-entreprise { background: #e3edff; color: #1d4fb0; }
.badge-ecole { background: #fff2da; color: #a3650a; }
.badge-marche { background: #e7f7ec; color: #1b7a44; }
.badge-autre { background: #ececec; color: #555; }

/* ---------- Partners ---------- */

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.partner-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.partner-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.partner-logo {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.partner-logo img {
    max-height: 64px;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(1) opacity(0.7);
    transition: filter var(--transition-slow), transform var(--transition-slow);
}

.partner-card:hover .partner-logo img {
    filter: grayscale(0) opacity(1);
    transform: scale(1.08);
}

.partner-logo-fallback {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(10, 110, 90, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    transition: background var(--transition-base), color var(--transition-base);
}

.partner-card:hover .partner-logo-fallback {
    background: var(--primary-color);
    color: #fff;
}

.partner-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

/* ---------- CTA ---------- */

.section-cta {
    background: radial-gradient(circle at top left, var(--secondary-color), var(--primary-dark));
    color: #fff;
    text-align: center;
}

.cta-inner h2 { color: #fff; max-width: 620px; margin: 0 auto 14px; }
.cta-inner p { color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 28px; }

/* ---------- Values (about page) ---------- */

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    text-align: center;
    padding: 28px 18px;
    border-radius: var(--radius-md);
    transition: transform var(--transition-slow);
}

.value-card:hover { transform: translateY(-4px); }

.value-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(232, 118, 44, 0.12);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon svg { width: 26px; height: 26px; }

/* ---------- Contact ---------- */

.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 56px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    color: var(--text-color);
    font-weight: 500;
}

.contact-list svg { width: 22px; height: 22px; color: var(--primary-color); flex-shrink: 0; }

.contact-form { background: var(--bg-light); padding: 36px; border-radius: var(--radius-lg); }

.form-group { margin-bottom: 20px; position: relative; }

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    background: #fff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 110, 90, 0.12);
}

.form-group input.invalid,
.form-group textarea.invalid { border-color: #d33; }

.field-error {
    display: block;
    color: #d33;
    font-size: 0.82rem;
    margin-top: 6px;
    animation: slide-down 0.25s ease;
}

/* ---------- CMS page content ---------- */

.cms-content { max-width: 760px; }
.cms-content p { color: var(--text-color); }

/* ---------- Error pages ---------- */

.error-page {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
}

.error-page h1 { font-size: 5rem; color: var(--primary-color); margin: 0; }

/* ---------- Footer ---------- */

.site-footer { background: #0e2620; color: rgba(255,255,255,0.78); padding: 64px 0 0; }

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo { height: 40px; filter: brightness(0) invert(1); margin-bottom: 14px; }

.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }

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

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

.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
}

/* ==========================================================================
   Keyframes
   ========================================================================== */

@keyframes fade-in-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fade-in-down { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slide-in-left { from { opacity: 0; transform: translateX(-24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slide-down { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scale-in { from { opacity: 0; transform: scale(0.85); } to { opacity: 1; transform: scale(1); } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(232, 118, 44, 0.5); } 50% { box-shadow: 0 0 0 8px rgba(232, 118, 44, 0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes rotate-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes glow { 0%, 100% { filter: drop-shadow(0 0 0 rgba(232, 118, 44, 0)); } 50% { filter: drop-shadow(0 0 12px rgba(232, 118, 44, 0.5)); } }

/* Scroll-reveal: JS toggles .in-view once an element crosses the viewport */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; transition-delay: var(--delay, 0s); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .services-grid, .campaigns-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 78px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 24px 28px;
        box-shadow: var(--shadow-md);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    }

    .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }

    .main-nav ul { flex-direction: column; gap: 4px; width: 100%; }
    .main-nav ul li { width: 100%; opacity: 0; transform: translateX(-16px); transition: opacity 0.3s ease, transform 0.3s ease; }
    .main-nav.open ul li { opacity: 1; transform: translateX(0); }
    .main-nav.open ul li:nth-child(1) { transition-delay: 0.05s; }
    .main-nav.open ul li:nth-child(2) { transition-delay: 0.1s; }
    .main-nav.open ul li:nth-child(3) { transition-delay: 0.15s; }
    .main-nav.open ul li:nth-child(4) { transition-delay: 0.2s; }
    .main-nav a { display: block; padding: 12px 0; }
    .nav-cta { margin-top: 12px; width: 100%; text-align: center; }

    .burger { display: flex; }

    .services-grid, .campaigns-grid, .values-grid { grid-template-columns: 1fr; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
    .about-teaser-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-grid.reverse { direction: ltr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .hero { height: auto; min-height: 640px; padding: 110px 0 80px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 1.9rem; }
    .container { padding: 0 18px; }
    .contact-form { padding: 24px; }
}

@media (min-width: 1600px) {
    .container { max-width: 1360px; }
}