@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Work+Sans:wght@400;500;600&family=Roboto+Mono:wght@500;700&display=swap');

:root{
    --charcoal: #1B1A17;
    --charcoal-soft: #262420;
    --concrete: #EAE5DA;
    --concrete-deep: #DCD5C6;
    --steel: #565149;
    --orange: #E8630A;
    --orange-dark: #C6520A;
    --yellow: #F2B705;
    --white: #FAF8F4;

    --font-display: 'Oswald', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
    margin: 0;
    font-family: var(--font-body);
    background: var(--concrete);
    color: var(--charcoal);
    line-height: 1.55;
}

.wrap{
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

a{ color: inherit; text-decoration: none; }

h1, h2, h3, .brand-name{
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin: 0;
}

/* ---------- Hazard stripe utility ---------- */
.hazard{
    background-image: repeating-linear-gradient(
        135deg,
        var(--yellow) 0px, var(--yellow) 18px,
        var(--charcoal) 18px, var(--charcoal) 36px
    );
}

/* ---------- Header ---------- */
.site-header{
    background: var(--charcoal);
    border-bottom: 6px solid var(--orange);
}
.header-inner{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    padding-bottom: 16px;
    gap: 24px;
}
.brand{
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand-mark{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background: var(--orange);
    color: var(--charcoal);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}
.brand-mark.small{
    width: 32px; height: 32px; font-size: 0.85rem;
    vertical-align: middle;
    margin-right: 10px;
}
.brand-text{ display: flex; flex-direction: column; line-height: 1.2; }
.brand-name{ color: var(--white); font-size: 1.05rem; font-weight: 600; }
.brand-sub{ color: #B9B3A4; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; }

.site-nav{ display: flex; align-items: center; gap: 28px; }
.site-nav a{
    color: #D9D4C8;
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}
.site-nav a:hover{ color: var(--orange); }
.site-nav .nav-cta{
    background: var(--orange);
    color: var(--charcoal);
    padding: 9px 18px;
    font-weight: 600;
}
.site-nav .nav-cta:hover{ background: var(--yellow); color: var(--charcoal); }

/* ---------- Hero ---------- */
.hero{
    position: relative;
    background: var(--charcoal);
    color: var(--white);
    overflow: hidden;
    padding: 90px 0 70px;
}
.hero::before{
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 18% 22%, rgba(232,99,10,0.18), transparent 40%),
        repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 26px),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 26px);
    pointer-events: none;
}
.hero-inner{ position: relative; max-width: 720px; }
.eyebrow{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--yellow);
    text-transform: uppercase;
    margin-bottom: 18px;
}
.eyebrow::before{
    content: "";
    width: 10px; height: 10px;
    background: var(--orange);
    display: inline-block;
}
.hero h1{
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    line-height: 1.05;
    margin-bottom: 22px;
}
.hero h1 span{ color: var(--orange); }
.hero p.lede{
    font-family: var(--font-body);
    font-size: 1.08rem;
    color: #D9D4C8;
    max-width: 560px;
    margin-bottom: 34px;
}
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }
.btn{
    display: inline-block;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.92rem;
    padding: 15px 28px;
    border: 2px solid transparent;
    transition: transform 0.15s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--orange); color: var(--charcoal); font-weight: 600; }
.btn-primary:hover{ background: var(--yellow); }
.btn-ghost{ border-color: #55503f; color: var(--white); }
.btn-ghost:hover{ border-color: var(--yellow); color: var(--yellow); }

/* ---------- Sections ---------- */
section{ padding: 84px 0; }
.section-head{ max-width: 620px; margin-bottom: 46px; }
.section-head .eyebrow{ color: var(--orange-dark); }
.section-head h2{ font-size: clamp(1.8rem, 3.2vw, 2.4rem); color: var(--charcoal); }
.section-head p{ color: var(--steel); margin-top: 14px; font-size: 1rem; }

/* ---------- Services grid ---------- */
.services-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2px;
    background: var(--charcoal);
    border: 2px solid var(--charcoal);
}
.service-card{
    background: var(--white);
    padding: 30px 26px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.service-num{
    font-family: var(--font-mono);
    color: var(--orange);
    font-size: 0.85rem;
    font-weight: 700;
}
.service-card h3{ font-size: 1.05rem; letter-spacing: 0.01em; }
.service-card p{ color: var(--steel); font-size: 0.94rem; margin: 0; }

/* ---------- About ---------- */
.about{ background: var(--white); }
.about-inner{
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 56px;
    align-items: start;
}
.about-card{
    background: var(--charcoal);
    color: var(--white);
    padding: 32px;
    border-top: 6px solid var(--orange);
}
.about-card .role{
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--yellow);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 8px;
}
.about-card h3{ font-size: 1.5rem; margin-bottom: 4px; }
.about-card .locality{ color: #B9B3A4; font-size: 0.9rem; }
.about-text p{ color: var(--steel); margin-bottom: 16px; }
.about-text ul{ padding-left: 20px; margin: 22px 0; color: var(--charcoal); }
.about-text li{ margin-bottom: 8px; }

/* ---------- Zone ---------- */
.zone{ background: var(--concrete-deep); }
.zone-inner{ display: flex; gap: 40px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.zone-copy{ max-width: 520px; }
.zone-copy p{ color: var(--steel); }
.zone-tags{ display: flex; flex-wrap: wrap; gap: 10px; }
.zone-tags span{
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: var(--charcoal);
    color: var(--white);
    padding: 8px 14px;
}

/* ---------- Contact / panneau de chantier ---------- */
.contact{ background: var(--charcoal); }
.contact .section-head h2{ color: var(--white); }
.contact .section-head p{ color: #B9B3A4; }
.contact .section-head .eyebrow{ color: var(--yellow); }

.contact-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Le panneau de chantier : signature visuelle du site */
.site-plaque{
    background: var(--white);
    border: 10px solid var(--charcoal);
    position: relative;
    padding: 4px;
}
.site-plaque::before{
    content: "";
    display: block;
    height: 14px;
    background-image: repeating-linear-gradient(
        135deg,
        var(--yellow) 0px, var(--yellow) 14px,
        var(--charcoal) 14px, var(--charcoal) 28px
    );
}
.plaque-body{ padding: 30px 28px 34px; }
.plaque-label{
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orange-dark);
    display: block;
    margin-bottom: 6px;
}
.plaque-name{
    font-family: var(--font-display);
    font-size: 1.6rem;
    text-transform: uppercase;
    margin-bottom: 2px;
}
.plaque-role{ color: var(--steel); font-size: 0.92rem; margin-bottom: 22px; display: block; }
.plaque-row{
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    border-top: 1px dashed #C8C1B0;
    font-size: 0.92rem;
}
.plaque-row:first-of-type{ border-top: 1px solid var(--charcoal); margin-top: 4px; }
.plaque-row dt{ color: var(--steel); font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.plaque-row dd{ margin: 0; font-weight: 600; text-align: right; }
.plaque-siret dd{ font-family: var(--font-mono); letter-spacing: 0.02em; }

/* Contact form */
.contact-form{ background: var(--charcoal-soft); padding: 34px; border: 1px solid #3a362d; }
.contact-form h3{ color: var(--white); font-size: 1.1rem; margin-bottom: 18px; }
.field{ margin-bottom: 18px; }
.field label{
    display: block;
    color: #D9D4C8;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}
.field input, .field textarea{
    width: 100%;
    background: var(--white);
    border: none;
    padding: 12px 14px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--charcoal);
}
.field textarea{ resize: vertical; min-height: 100px; }
.field input:focus, .field textarea:focus{
    outline: 3px solid var(--orange);
    outline-offset: 0;
}
.form-note{ font-size: 0.8rem; color: #8a8578; margin-top: 14px; }

.alert{
    padding: 14px 18px;
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.alert-success{ background: #2C3B22; color: #D7EFC0; border-left: 4px solid #7CB342; }
.alert-error{ background: #3B2222; color: #F2C0C0; border-left: 4px solid #C64545; }

/* ---------- Footer ---------- */
.site-footer{
    background: var(--charcoal);
    color: #8a8578;
    border-top: 6px solid var(--orange);
    padding: 30px 0;
}
.footer-inner{
    display: flex;
    flex-wrap: wrap;
    gap: 10px 30px;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
}
.footer-inner p{ margin: 0; }
.footer-legal{ font-family: var(--font-mono); font-size: 0.78rem; }

/* ---------- Responsive ---------- */
@media (max-width: 820px){
    .about-inner, .contact-grid{ grid-template-columns: 1fr; }
    .site-nav{ gap: 16px; }
    .site-nav a{ font-size: 0.78rem; }
}
@media (max-width: 560px){
    .header-inner{ flex-direction: column; align-items: flex-start; gap: 14px; }
    .site-nav{ flex-wrap: wrap; }
    .hero{ padding: 60px 0 50px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
    .btn{ transition: none; }
}

/* Keyboard focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
    outline: 3px solid var(--orange);
    outline-offset: 2px;
}