/* ---------- Reset & variables ---------- */
:root {
  --c-navy: #0f2338;
  --c-blue: #1f5fa8;
  --c-blue-dark: #123a63;
  --c-text: #16283d;
  --c-text-soft: #45596d;
  --c-muted: #55697d;
  --c-border: #dbe4ee;
  --c-border-light: #eef2f6;
  --c-bg: #f5f8fb;
  --c-topbar-text: #cfe0f2;
  --c-footer-text: #9db2c9;
  --c-footer-border: #1c3a56;
  --c-welders-text: #d7e4f2;
  --c-success-bg: #e8f4ec;
  --c-success: #1f8a4c;
  --c-error-bg: #fdecec;
  --c-error-border: #f3b4b4;
  --c-error-text: #a3262b;
}

body { margin: 0; background: var(--c-bg); }
* { box-sizing: border-box; }
a { color: var(--c-blue); text-decoration: none; }
a:hover { color: var(--c-blue-dark); }

/* ---------- Page wrapper ---------- */
.page {
  font-family: 'IBM Plex Sans', sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  min-height: 100vh;
  width: 100%;
  padding: 0;
}
.page--sticky-pad { padding: 0 0 64px; }

/* ---------- Top contact bar ---------- */
.topbar {
  background: var(--c-navy);
  color: var(--c-topbar-text);
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: clamp(10px, 4vw, 28px);
  padding: 8px 12px;
  font-size: clamp(11px, 3vw, 13px);
  overflow: hidden;
}
.topbar__link {
  color: var(--c-topbar-text);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.topbar__link--email {
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.topbar__link svg { flex-shrink: 0; }

/* ---------- Header / navigation ---------- */
.header { position: sticky; top: 0; z-index: 20; background: #ffffff; }
.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 14px clamp(16px, 5vw, 64px);
  background: #ffffff;
  border-bottom: 1px solid var(--c-border);
}
.header__brand { display: flex; align-items: center; gap: 12px; }
.header__logo { height: 68px; width: auto; object-fit: contain; display: block; }
.header__brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.header__name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 20px; color: var(--c-navy); }
.header__tagline { font-size: 12px; color: var(--c-muted); }

.nav { display: flex; flex-wrap: wrap; gap: clamp(14px, 3vw, 32px); }
.nav__link {
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--c-muted);
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
}
.nav__link--active { font-weight: 700; color: var(--c-navy); border-bottom-color: var(--c-blue); }

.menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--c-navy);
}

.mobile-menu {
  background: #ffffff;
  border-bottom: 1px solid var(--c-border);
  padding: 4px clamp(16px, 5vw, 64px) 8px;
  display: flex;
  flex-direction: column;
}
.mobile-menu__link {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text);
  padding: 14px 4px;
  border-bottom: 1px solid var(--c-border-light);
}
.mobile-menu__link--active { font-weight: 700; color: var(--c-blue); }

/* ---------- Sticky mobile call bar ---------- */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 30;
  background: #ffffff;
  border-top: 1px solid var(--c-border);
  display: flex;
  box-shadow: 0 -4px 14px rgba(15, 35, 56, 0.08);
}
.sticky-bar__link {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  font-weight: 600;
  font-size: 15px;
}
.sticky-bar__link--call { background: var(--c-blue); color: #fff; }
.sticky-bar__link--email { background: #ffffff; color: var(--c-blue); border-left: 1px solid var(--c-border); }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-navy); color: var(--c-footer-text); padding: 32px clamp(16px, 5vw, 64px); margin-top: 24px; }
.site-footer__inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.site-footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.site-footer__brand { font-family: 'Space Grotesk', sans-serif; color: #ffffff; font-weight: 700; font-size: 17px; }
.site-footer__contact { font-size: 13.5px; }
.site-footer__copyright { font-size: 13px; }
.site-footer__legal {
  border-top: 1px solid var(--c-footer-border);
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  font-size: 12.5px;
}
.site-footer__legal a { color: var(--c-footer-text); }

/* ---------- Shared main content wrapper ---------- */
.page-main { padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); max-width: 1200px; margin: 0 auto; }
.page-main--narrow { max-width: 900px; }

/* ---------- Buttons ---------- */
.btn-primary, .btn-outline {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 8px;
  font-weight: 600;
}
.btn-primary { background: var(--c-blue); color: #fff; }
.btn-outline { background: #ffffff; color: var(--c-blue); border: 1.5px solid var(--c-blue); }

/* ==================================================
   Home page
   ================================================== */
.hero { display: flex; flex-wrap: wrap; align-items: center; gap: 40px; padding: clamp(32px, 6vw, 72px) clamp(16px, 5vw, 64px); max-width: 1280px; margin: 0 auto; }
.hero__copy { flex: 1 1 420px; min-width: 280px; }
.hero__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(30px, 4.4vw, 46px); line-height: 1.15; color: var(--c-navy); margin: 0 0 18px; }
.hero__text { font-size: clamp(16px, 2vw, 18px); color: var(--c-text-soft); line-height: 1.6; margin: 0 0 28px; max-width: 52ch; }
.hero__media { flex: 1 1 380px; min-width: 260px; height: 320px; }

.values-section { background: #ffffff; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); }
.values-section__inner { max-width: 1200px; margin: 0 auto; }
.section-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(22px, 3vw, 30px); color: var(--c-navy); margin: 0 0 8px; text-align: center; }
.section-subtitle { text-align: center; color: var(--c-muted); margin: 0 0 36px; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.value-card { background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 12px; padding: 28px 24px; }
.value-card__icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; color: var(--c-blue); margin-bottom: 16px; }
.value-card__title { font-family: 'Space Grotesk', sans-serif; font-size: 19px; color: var(--c-navy); margin: 0 0 10px; }
.value-card__text { font-size: 15px; color: var(--c-muted); line-height: 1.55; margin: 0; }

.intro-section { padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); max-width: 1200px; margin: 0 auto; }
.intro-section p { font-size: 15.5px; color: var(--c-text-soft); line-height: 1.7; text-align: justify; margin: 0 0 18px; }
.intro-section p:last-child { margin-bottom: 0; }

.sectors-section { background: #ffffff; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); }
.sectors-section__inner { max-width: 1200px; margin: 0 auto; }
.sectors-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.sector-pill { background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 999px; padding: 10px 20px; font-size: 14.5px; font-weight: 500; color: var(--c-blue-dark); }

.gallery-section { padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); max-width: 1200px; margin: 0 auto; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.gallery-tile { height: 220px; }
.gallery-cta { text-align: center; margin-top: 20px; }
.gallery-cta a { color: var(--c-blue); font-weight: 600; font-size: 14.5px; }

.welders-section { background: var(--c-navy); color: var(--c-welders-text); padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); }
.welders-section__inner { max-width: 1100px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 32px; align-items: center; }
.welders-section__copy { flex: 1 1 320px; }
.welders-section__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(21px, 2.8vw, 26px); color: #ffffff; margin: 0 0 14px; }
.welders-section__text { line-height: 1.6; margin: 0 0 10px; font-size: 15.5px; }
.welders-section__text:last-of-type { margin-bottom: 18px; }
.welders-section__text strong { color: #fff; }
.welders-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.welders-tags span { border: 1px solid #2c4a68; border-radius: 8px; padding: 8px 16px; font-size: 13.5px; }
.welders-section__media { flex: 1 1 260px; min-width: 220px; height: 240px; }

.cta-section { padding: clamp(36px, 6vw, 64px) clamp(16px, 5vw, 64px); text-align: center; }
.cta-section__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(22px, 3vw, 28px); color: var(--c-navy); margin: 0 0 10px; }
.cta-section__text { color: var(--c-muted); margin: 0 0 24px; }
.cta-section__actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ==================================================
   Contact page
   ================================================== */
.contact-main { padding: clamp(32px, 5vw, 56px) clamp(16px, 5vw, 64px); max-width: 100%; min-height: calc(100vh - 260px); }
.contact-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(26px, 3.4vw, 34px); color: var(--c-navy); margin: 0 0 10px; text-align: center; }
.contact-subtitle { text-align: center; color: var(--c-muted); margin: 0 0 36px; }
.contact-layout { display: flex; flex-wrap: wrap; gap: 32px; max-width: 1100px; margin: 0 auto; }
.contact-info { flex: 1 1 220px; min-width: 200px; display: flex; flex-direction: column; gap: 16px; }

.info-card { background: #ffffff; border: 1px solid var(--c-border); border-radius: 12px; padding: 24px; }
.info-card__label { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--c-muted); margin-bottom: 6px; }
.info-card__value { font-size: 19px; font-weight: 600; color: var(--c-navy); }
.info-card__value--email { font-size: 17px; word-break: break-all; }
.info-card__text { font-size: 15px; color: var(--c-text-soft); line-height: 1.5; }

.contact-form-card { flex: 2.2 1 340px; min-width: 260px; background: #ffffff; border: 1px solid var(--c-border); border-radius: 12px; padding: clamp(24px, 4vw, 36px); }

.form-success { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 10px; gap: 14px; }
.form-success__icon { width: 52px; height: 52px; border-radius: 50%; background: var(--c-success-bg); display: flex; align-items: center; justify-content: center; color: var(--c-success); }
.form-success__title { font-family: 'Space Grotesk', sans-serif; color: var(--c-navy); margin: 0; }
.form-success__text { color: var(--c-muted); margin: 0; max-width: 40ch; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-error { background: var(--c-error-bg); border: 1px solid var(--c-error-border); color: var(--c-error-text); border-radius: 8px; padding: 12px 14px; font-size: 14px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; font-size: 13.5px; color: var(--c-text-soft); font-weight: 500; }
.form-input { padding: 11px 12px; border: 1px solid var(--c-border); border-radius: 8px; font-size: 15px; font-family: inherit; }
.form-input--textarea { resize: vertical; }
.btn-submit {
  background: var(--c-blue);
  color: #fff;
  border: none;
  padding: 14px 22px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
  opacity: 1;
}
.btn-submit--sending { cursor: default; opacity: .7; }

/* ==================================================
   HSE page
   ================================================== */
.hse-hero { display: flex; flex-wrap: wrap; gap: 36px; align-items: center; margin-bottom: 40px; }
.hse-hero__copy { flex: 1 1 320px; min-width: 260px; }
.hse-hero__title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(26px, 3.4vw, 34px); color: var(--c-navy); margin: 0 0 14px; }
.hse-hero__text { color: var(--c-muted); margin: 0; }
.hse-hero__media { flex: 1 1 380px; min-width: 280px; }
.hse-hero__media img { width: 100%; height: auto; display: block; border-radius: 12px; border: 1px solid var(--c-border); }

.panel-card { background: #ffffff; border: 1px solid var(--c-border); border-radius: 12px; padding: 28px clamp(20px, 4vw, 36px); margin-bottom: 24px; }
.panel-card:last-child { margin-bottom: 0; }

.hse-card__head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.hse-card__icon { width: 84px; height: 84px; flex: 0 0 auto; border-radius: 10px; border: 1px solid var(--c-border); display: flex; align-items: center; justify-content: center; padding: 8px; }
.hse-card__icon img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.hse-card__title { font-family: 'Space Grotesk', sans-serif; font-size: 21px; color: var(--c-blue); margin: 0; }
.hse-card__text { font-size: 15px; line-height: 1.7; color: var(--c-text-soft); margin: 0 0 14px; }

.mase-banner { background: var(--c-navy); border-radius: 12px; padding: 28px clamp(20px, 4vw, 36px); display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.mase-banner__logo { width: 200px; height: 130px; flex: 0 0 auto; background: #ffffff; border-radius: 10px; padding: 10px; display: flex; align-items: center; justify-content: center; }
.mase-banner__logo img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.mase-banner__text { color: var(--c-welders-text); font-size: 15px; line-height: 1.6; margin: 0; flex: 1 1 260px; }
.mase-banner__text strong { color: #fff; }

/* ==================================================
   Portfolio page
   ================================================== */
.portfolio-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(26px, 3.4vw, 34px); color: var(--c-navy); margin: 0 0 10px; text-align: center; }
.portfolio-subtitle { text-align: center; color: var(--c-muted); margin: 0 0 44px; }
.portfolio-project { margin-bottom: 48px; }
.portfolio-project__title { font-family: 'Space Grotesk', sans-serif; font-size: 18px; color: var(--c-navy); margin: 0 0 16px; letter-spacing: .01em; }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(var(--card-min, 220px), 1fr)); gap: 20px; }
.portfolio-tile { background: #ffffff; border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden; cursor: pointer; position: relative; height: var(--tile-h, 350px); }
.portfolio-tile__media { width: 100%; height: var(--tile-h, 350px); object-fit: cover; display: block; background: var(--c-navy); }
.tile-expand-badge { position: absolute; top: 8px; right: 8px; width: 32px; height: 32px; border-radius: 50%; background: rgba(15, 35, 56, 0.7); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.portfolio-cta { text-align: center; margin-top: 20px; }

.lightbox-overlay { position: fixed; inset: 0; background: rgba(10, 20, 32, 0.9); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 24px; }
.lightbox-close { position: absolute; top: 20px; right: 24px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.12); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.lightbox-media { max-width: 92vw; max-height: 88vh; }
.lightbox-media--img { object-fit: contain; border-radius: 6px; }

/* ==================================================
   Legal pages (mentions légales / politique de confidentialité)
   ================================================== */
.legal-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(26px, 3.4vw, 34px); color: var(--c-navy); margin: 0 0 10px; text-align: center; }
.legal-subtitle { text-align: center; color: var(--c-muted); margin: 0 0 40px; }
.legal-card__title { font-family: 'Space Grotesk', sans-serif; font-size: 20px; color: var(--c-blue); margin: 0 0 16px; }
.legal-card__text { font-size: 15px; line-height: 1.7; color: var(--c-text-soft); margin: 0 0 14px; }
.legal-card__text:last-child { margin-bottom: 0; }
.legal-list { font-size: 15px; line-height: 1.7; color: var(--c-text-soft); margin: 0 0 14px; padding-left: 20px; }
.legal-list:last-child { margin-bottom: 0; }
.legal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px 24px; font-size: 15px; color: var(--c-text-soft); line-height: 1.7; }
.legal-grid strong { color: var(--c-navy); }