/* ===========================================================
   NovEnergie — Design system partagé
   Palette : vert nature + jaune solaire, fond clair
   =========================================================== */

:root {
    --color-primary:        #16a34a;
    --color-primary-dark:   #15803d;
    --color-primary-light:  #dcfce7;
    --color-accent:         #facc15;
    --color-accent-dark:    #eab308;

    --color-bg:             #ffffff;
    --color-bg-alt:         #f8fafc;
    --color-text:           #0f172a;
    --color-text-muted:     #64748b;
    --color-border:         #e2e8f0;

    --radius-sm:            6px;
    --radius:               12px;
    --radius-lg:            20px;

    --shadow-sm:            0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow:               0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg:            0 12px 32px rgba(15, 23, 42, 0.12);

    --max-width:            1200px;
    --gap:                  24px;

    --font-sans:            'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

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

section {
    padding: 80px 0;
}

/* ─── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: 16px; }
h3 { font-size: 1.25rem; margin-bottom: 8px; }

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.eyebrow {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ─── Header ──────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    padding-bottom: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text);
}
.logo:hover { color: var(--color-text); }
.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 10px;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 1.1rem;
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-main a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.15s;
}
.nav-main a:hover,
.nav-main a.active { color: var(--color-primary); }

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--color-text);
}
.nav-toggle svg { width: 100%; height: 100%; }

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}
.btn-accent {
    background: var(--color-accent);
    color: var(--color-text);
}
.btn-accent:hover {
    background: var(--color-accent-dark);
    color: var(--color-text);
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
    background: linear-gradient(135deg, #f0fdf4 0%, #fef9c3 100%);
    padding: 100px 0 80px;
    overflow: hidden;
}
.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero h1 strong {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p.lead {
    margin-top: 20px;
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 540px;
}
.hero-ctas {
    margin-top: 32px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.hero-stats {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.hero-stats .stat {
    border-left: 3px solid var(--color-accent);
    padding-left: 14px;
}
.hero-stats .num {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary-dark);
}
.hero-stats .lbl {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hero-illu {
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 70% 30%, var(--color-accent) 0%, transparent 50%),
        linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: grid;
    place-items: center;
    color: #fff;
}
.hero-illu .hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;       /* recadre intelligemment ton image au format du cadre */
    object-position: center;
    border-radius: var(--radius-lg);
    display: block;
}
.hero-illu .sun {
    font-size: 8rem;
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.2));
}

/* ─── Cards / Services ────────────────────────────────────── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap);
}
.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all 0.2s;
}
.card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    display: grid;
    place-items: center;
    font-size: 1.75rem;
    margin-bottom: 20px;
}
.card h3 { color: var(--color-text); }
.card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}
.card .card-cta {
    display: inline-block;
    margin-top: 16px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ─── Section alt background ──────────────────────────────── */
.section-alt {
    background: var(--color-bg-alt);
}

/* ─── Stats band ──────────────────────────────────────────── */
.stats-band {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 60px 0;
}
.stats-band .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
    text-align: center;
}
.stats-band .num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
}
.stats-band .lbl {
    font-size: 0.95rem;
    opacity: 0.85;
}

/* ─── CTA band ────────────────────────────────────────────── */
.cta-band {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 70px 0;
    text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p {
    max-width: 600px;
    margin: 12px auto 28px;
    opacity: 0.95;
    font-size: 1.1rem;
}

/* ─── Testimonials ────────────────────────────────────────── */
.testimonial {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
}
.testimonial blockquote {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 16px;
    font-style: italic;
}
.testimonial blockquote::before {
    content: '"';
    color: var(--color-accent);
    font-size: 2rem;
    line-height: 0.5;
    margin-right: 6px;
    vertical-align: -0.2em;
}
.testimonial cite {
    font-style: normal;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ─── Forms ───────────────────────────────────────────────── */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
    font-size: 0.9rem;
    font-weight: 500;
}
.form-field input,
.form-field textarea,
.form-field select {
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    background: #fff;
    transition: border 0.15s, box-shadow 0.15s;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-disclaimer {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 12px;
}

/* ─── Legal pages ─────────────────────────────────────────── */
.legal-content {
    max-width: 820px;
    margin: 0 auto;
    padding: 60px 24px;
}
.legal-content h1 { margin-bottom: 12px; }
.legal-content .legal-updated {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 40px;
}
.legal-content h2 {
    margin-top: 40px;
    font-size: 1.4rem;
}
.legal-content p,
.legal-content ul,
.legal-content table {
    margin-top: 12px;
    color: var(--color-text);
}
.legal-content ul {
    padding-left: 24px;
}
.legal-content ul li { margin: 6px 0; }
.legal-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.legal-content table th,
.legal-content table td {
    text-align: left;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
}
.legal-content table th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 24px;
}
.site-footer .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.site-footer h4 {
    color: #fff;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}
.site-footer .logo { color: #fff; }
.site-footer .logo:hover { color: #fff; }
.site-footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.site-footer a {
    color: #cbd5e1;
    font-size: 0.9rem;
}
.site-footer a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #94a3b8;
    flex-wrap: wrap;
    gap: 12px;
}

/* ─── Cookie banner ───────────────────────────────────────── */
.cookie-banner {
    position: fixed;
    bottom: 16px;
    left: 16px;
    right: 16px;
    max-width: 540px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: 24px;
    z-index: 200;
    transform: translateY(150%);
    transition: transform 0.3s ease;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}
.cookie-banner .actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.cookie-banner .btn { padding: 10px 16px; font-size: 0.9rem; }

/* ─── Page hero (smaller, used on inner pages) ────────────── */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #fef9c3 100%);
    padding: 70px 0 50px;
    text-align: center;
}
.page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
.page-hero p {
    max-width: 640px;
    margin: 12px auto 0;
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

/* ─── Service detail block (services.html) ───────────────── */
.service-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 60px;
}
.service-block.reverse { grid-template-columns: 1fr 1fr; }
.service-block.reverse .service-illu { order: -1; }
.service-block ul { padding-left: 20px; color: var(--color-text-muted); }
.service-block ul li { margin: 6px 0; }
.service-illu {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    border-radius: var(--radius-lg);
    display: grid;
    place-items: center;
    font-size: 5rem;
    color: var(--color-primary-dark);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
}
.service-illu .service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-lg);
    display: block;
}
.service-illu .emoji-fallback {
    width: 100%;
    height: 100%;
    place-items: center;
    font-size: 5rem;
}

/* ─── FAQ ─────────────────────────────────────────────────── */
.faq details {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    margin-bottom: 10px;
    cursor: pointer;
}
.faq details[open] {
    border-color: var(--color-primary);
}
.faq summary {
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq summary::after {
    content: '+';
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1;
    transition: transform 0.2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
    margin-top: 14px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ─── Contact layout ──────────────────────────────────────── */
.contact-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
}
.contact-info ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}
.contact-info li {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}
.contact-info .ico {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.contact-info strong { display: block; font-size: 0.95rem; }
.contact-info span { font-size: 0.9rem; color: var(--color-text-muted); }
.map-embed {
    width: 100%;
    aspect-ratio: 16 / 11;
    border-radius: var(--radius);
    border: 0;
    margin-top: 24px;
    background: var(--color-primary-light);
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
    .hero { padding: 60px 0 50px; }
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-illu { max-width: 360px; margin: 0 auto; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    .service-block,
    .service-block.reverse { grid-template-columns: 1fr; gap: 24px; }
    .service-block.reverse .service-illu { order: 0; }
    .contact-layout { grid-template-columns: 1fr; }
    .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    section { padding: 50px 0; }
    .nav-main {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 16px 24px;
        gap: 14px;
        align-items: stretch;
    }
    .nav-main.open { display: flex; }
    .nav-main .btn { width: 100%; }
    .nav-toggle { display: block; }
    .form-grid { grid-template-columns: 1fr; }
    .hero-stats { grid-template-columns: 1fr; gap: 16px; }
    .site-footer .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}