:root {
  --black: #070707;
  --ink: #1e2024;
  --muted: #636a73;
  --subtext: #636a73;
  --subtext-on-dark: rgba(255, 255, 255, 0.78);
  --line: #d9dde3;
  --soft: #f4f6f8;
  --white: #ffffff;
  --red: #e50909;
  --red-dark: #b80606;
  --orange: #f28c18;
  --blue: #1d5fbf;
  --steel: #2f3a45;
  --olive: #6f765e;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(15, 18, 22, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  display: grid;
  gap: 6px;
  align-items: start;
  flex: 0 0 auto;
}

.brand img {
  width: clamp(180px, 25vw, 300px);
  height: auto;
}


.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--steel);
  font-size: 0.95rem;
  font-weight: 700;
}

.nav a {
  padding: 8px 0;
}
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 32px;
  border-radius: 6px;
  color: var(--steel);
  font-size: 0.8rem;
  font-weight: 900;
}

.language-switch a.active,
.language-switch a:hover {
  color: var(--white);
  background: var(--black);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.1;
  cursor: pointer;
}

.header-cta,
.button.primary {
  color: var(--white);
  background: var(--red);
}

.header-cta:hover,
.button.primary:hover {
  background: var(--red-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.1);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  min-height: calc(100vh - 82px);
  padding: clamp(56px, 8vw, 120px) clamp(18px, 5vw, 82px) clamp(42px, 7vw, 86px);
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(0, 0, 0, 0.95) 0%, rgba(12, 12, 12, 0.9) 44%, rgba(117, 5, 5, 0.82) 100%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 18px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 9px;
  background: linear-gradient(90deg, var(--red) 0 42%, var(--olive) 42% 68%, var(--steel) 68% 100%);
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffdddd;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 880px;
  font-size: clamp(2.75rem, 6vw, 5.8rem);
}

h2 {
  color: var(--black);
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  color: var(--black);
  font-size: 1.25rem;
}

.lead {
  max-width: 740px;
  margin: 24px 0 0;
  color: var(--subtext-on-dark);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.hero-panel span {
  display: block;
  margin-bottom: 12px;
  color: #ffdddd;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  font-size: 1.8rem;
  line-height: 1.05;
}

.hero-panel p {
  margin: 18px 0 0;
  color: var(--subtext-on-dark);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.trust-strip div {
  min-height: 110px;
  padding: 24px clamp(18px, 4vw, 48px);
  border-right: 1px solid var(--line);
  background: var(--soft);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong {
  display: block;
  color: var(--black);
  font-size: 1.35rem;
}

.trust-strip span {
  color: var(--subtext);
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(18px, 5vw, 82px);
}

#services,
#innovation,
#secteurs,
#contact {
  scroll-margin-top: 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
}

.intro > p,
.sector-copy p,
.contact-copy p {
  margin: 0;
  color: var(--subtext);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.service-card:hover {
  border-color: rgba(229, 9, 9, 0.35);
  box-shadow: 0 16px 48px rgba(20, 24, 28, 0.08);
}

.card-number {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--red);
  font-weight: 900;
}

.service-card p {
  margin: 16px 0 0;
  color: var(--subtext);
}

.service-logo-label {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 12px;
  color: var(--white);
  background: var(--red);
  font-style: italic;
  line-height: 1;
}

.service-title-red {
  color: var(--red);
}



.innovation {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(340px, 1fr);
  gap: clamp(30px, 6vw, 82px);
  align-items: start;
  background:
    linear-gradient(180deg, rgba(244, 246, 248, 0.96), rgba(255, 255, 255, 1)),
    repeating-linear-gradient(90deg, rgba(47, 58, 69, 0.08) 0 1px, transparent 1px 34px);
}

.innovation-copy {
  position: sticky;
  top: 120px;
}

.innovation-copy p {
  margin: 22px 0 0;
  color: var(--subtext);
  font-size: 1.08rem;
}

.innovation-copy p + p {
  margin-top: 18px;
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 36px rgba(20, 24, 28, 0.06);
}

.project-card span {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 10px;
  color: var(--white);
  border-radius: 999px;
  background: var(--steel);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.project-card:nth-child(1) span {
  background: #16833a;
}

.project-card:nth-child(2) span {
  background: var(--orange);
}

.project-card:nth-child(3) span {
  background: var(--blue);
}

.project-card p {
  margin: 14px 0 0;
  color: var(--subtext);
}

.sectors {
  color: var(--white);
  background: var(--black);
}

.sectors h2 {
  color: var(--white);
}

.sector-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.75fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.sector-copy p {
  color: var(--subtext-on-dark);
}

.sector-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sector-list li {
  padding: 16px 18px;
  border-left: 4px solid var(--red);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 520px);
  gap: clamp(30px, 6vw, 82px);
  background: var(--soft);
}

.contact-copy p {
  margin-top: 20px;
}

.contact-card {
  display: grid;
  gap: 6px;
  width: min(100%, 360px);
  min-height: 150px;
  margin-top: 34px;
  padding: 24px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font-style: normal;
  box-shadow: 0 16px 42px rgba(20, 24, 28, 0.08);
}

.contact-card strong {
  color: var(--black);
  font-size: 1.15rem;
  line-height: 1.1;
}

.contact-card a {
  color: var(--red);
  font-weight: 900;
}

.contact-card span {
  color: var(--subtext);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

label {
  display: grid;
  gap: 8px;
  color: var(--steel);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cbd1d8;
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(229, 9, 9, 0.15);
  border-color: var(--red);
}

.contact-form .button {
  width: 100%;
  margin-top: 4px;
  font-size: 1rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 5vw, 82px);
  color: var(--subtext-on-dark);
  background: var(--black);
}

.site-footer span:first-child {
  color: var(--white);
  font-weight: 900;
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 140px;
  }

  #services,
  #innovation,
  #secteurs,
  #contact {
    scroll-margin-top: 0;
  }

  .site-header {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .header-cta {
    min-height: 42px;
    padding: 0 14px;
    font-size: 0.88rem;
  }

  .hero,
  .intro,
  .innovation,
  .sector-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .innovation-copy {
    position: static;
  }

  .hero {
    min-height: auto;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 768px) {
  .trust-strip,
  .service-grid,
  .project-list,
  .sector-layout {
    grid-template-columns: 1fr;
  }

  .service-card,
  .project-card,
  .sector-list,
  .sector-list li {
    width: 100%;
  }

  .service-card h3 {
    text-align: center;
  }

  .service-logo-label {
    justify-content: center;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 0;
  }

  #services,
  #innovation,
  #secteurs,
  #contact {
    scroll-margin-top: 0;
  }

  .site-header {
    position: static;
    gap: 14px;
  }

  .brand img {
    width: 210px;
  }

  .header-cta,
  .hero-actions .button {
    width: 100%;
  }

  h1 {
    font-size: 2.45rem;
  }

  .hero-panel,
  .contact-form,
  .service-card {
    padding: 20px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .language-switch {
    order: 4;
  }
}

@media (max-width: 768px) {
  .trust-strip {
    grid-template-columns: 1fr !important;
  }

  .trust-strip div {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip div:last-child {
    border-bottom: 0;
  }
}