:root {
  --navy: #082543;
  --amber: #e39739;
  --amber2: #f3b15a;
  --text: #17243a;
  --muted: #657284;
  --line: #dce4ea;
  --soft: #f3f6f8;
  --shadow: 0 22px 50px rgba(6, 35, 60, .14);
  --radius: 18px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  line-height: 1.65;
}

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

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

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
}

.skip-link:focus {
  left: 10px;
  top: 10px;
  background: white;
  color: #000;
  z-index: 99;
  padding: 8px;
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: 78px;
  z-index: 50;
  color: #fff;
  background: linear-gradient(to bottom, rgba(4, 22, 38, .76), transparent);
  transition: .25s;
}

.site-header.is-scrolled,
.site-header.menu-open {
  background: rgba(8, 37, 67, .96);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
}

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

.brand {
  font-family: Georgia, serif;
  font-size: 2.15rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: #fff;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: .92rem;
  font-weight: 700;
}

.main-nav > a:not(.btn) {
  position: relative;
}

.main-nav > a:not(.btn):after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: .2s;
}

.main-nav > a:hover:after,
.home .main-nav a[href="index.html"]:after,
.solutions-page .main-nav a[href="solutions.html"]:after,
.cee-page .main-nav a[href="cee.html"]:after,
.about-page .main-nav a[href="a-propos.html"]:after,
.cases-page .main-nav a[href="realisations.html"]:after,
.contact-page .main-nav a[href="contact.html"]:after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  flex-direction: column;
  gap: 6px;
}

.nav-toggle span {
  height: 2px;
  background: white;
  display: block;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: .88rem 1.25rem;
  font-weight: 800;
  border: 1px solid transparent;
  transition: .22s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--amber), var(--amber2));
  color: #1b2634;
  box-shadow: 0 14px 24px rgba(227, 151, 57, .24);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, .65);
  color: #fff;
  background: rgba(7, 25, 43, .25);
}

.btn-outline {
  border-color: var(--amber);
  color: #975c17;
  background: #fff;
}

.btn-small {
  padding: .72rem 1rem;
  font-size: .85rem;
}

/* Hero */

.hero {
  position: relative;
  min-height: 760px;
  padding: 160px 0 190px;
  display: grid;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}

.hero-overlay {
  background: linear-gradient(
    90deg,
    rgba(4, 20, 36, .9),
    rgba(7, 26, 46, .58),
    rgba(5, 16, 30, .18)
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-top: 80px;
}

.eyebrow {
  font-size: .78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #c46f1c;
  margin: 0 0 .65rem;
}

.eyebrow.light {
  color: #ffbd68;
}

h1,
h2 {
  font-family: Georgia, serif;
  line-height: .98;
  letter-spacing: -.04em;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5.85rem);
  max-width: 720px;
  margin: 0 0 1.1rem;
}

.hero-lead {
  font-size: 1.1rem;
  max-width: 620px;
  color: rgba(255, 255, 255, .88);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Overlap cards */

.overlap-cards {
  position: relative;
  z-index: 5;
  margin-top: -95px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.feature-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1.45rem;
  display: flex;
  gap: 1.2rem;
  border: 1px solid var(--line);
}

.icon,
.badge-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  font-size: 1.4rem;
}

.feature-card h2,
.feature-card h3 {
  font-size: 1.25rem;
  margin: .1rem 0 .25rem;
}

.feature-card p,
.solution-card p,
.case-card p,
.step p,
.dark-card p,
.legal p {
  color: var(--muted);
  margin: 0;
}

/* Sections */

.section {
  padding: 84px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 2rem;
}

.center {
  text-align: center;
  margin-inline: auto;
}

.section h2,
.contact-band h2 {
  font-size: clamp(2rem, 3.4vw, 3.35rem);
  color: var(--navy);
  margin: 0 0 1rem;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
}

.four {
  grid-template-columns: repeat(4, 1fr);
}

/* Cards */

.solution-card,
.case-card,
.panel-card,
.process-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 36px rgba(7, 37, 67, .08);
  overflow: hidden;
}

.solution-card {
  position: relative;
}

.solution-card img {
  height: 170px;
  width: 100%;
  object-fit: cover;
}

.solution-card .badge-icon {
  position: absolute;
  left: 1.2rem;
  top: 135px;
  width: 52px;
  height: 52px;
}

.solution-card div {
  padding: 2.2rem 1.25rem 1.35rem;
}

.solution-card h3,
.case-card h3,
.step h3,
.dark-card h3 {
  font-family: Georgia, serif;
  color: var(--navy);
  line-height: 1.1;
  margin: 0 0 .7rem;
}

.solution-card a {
  color: #b86618;
  font-weight: 900;
}

/* Trust strip */

.trust-strip {
  background: linear-gradient(90deg, var(--navy), #0d355f);
  color: #fff;
  padding: 1.2rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: .75rem;
}

.trust-grid div {
  border-left: 1px solid rgba(255, 255, 255, .18);
  padding-left: 1rem;
}

.trust-grid strong {
  display: block;
  font-family: Georgia, serif;
  font-size: 1.2rem;
}

.trust-grid span {
  font-size: .8rem;
  color: rgba(255, 255, 255, .75);
}

/* Timeline */

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  position: relative;
}

.timeline:before {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  top: 21px;
  border-top: 2px dashed rgba(227, 151, 57, .55);
}

.step {
  text-align: center;
  position: relative;
}

.step span {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  position: relative;
  z-index: 2;
}

.step i {
  font-style: normal;
  font-size: 2.1rem;
  color: var(--amber);
  display: block;
}

/* CEE feature */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.copy h2 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0;
}

.check-list li {
  margin: .45rem 0;
  font-weight: 650;
}

.check-list li:before {
  content: "✓";
  color: #c56d15;
  margin-right: .55rem;
  font-weight: 900;
}

.image-stack {
  position: relative;
  padding-right: 70px;
}

.image-stack > img {
  border-radius: 18px;
  box-shadow: var(--shadow);
  height: 330px;
  width: 100%;
  object-fit: cover;
}

.dark-card {
  position: absolute;
  right: 0;
  bottom: 28px;
  width: 300px;
  background: var(--navy);
  color: #fff;
  border-radius: 18px;
  padding: 1.6rem;
}

.dark-card h3 {
  color: #fff;
}

/* Cases / testimonial */

.case-testimonial-grid {
  display: grid;
  grid-template-columns: 2fr .8fr;
  gap: 2rem;
}

.case-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.case-card img {
  height: 145px;
  width: 100%;
  object-fit: cover;
}

.case-card div {
  padding: 1rem;
}

.case-card span {
  color: #b86618;
  text-transform: uppercase;
  font-size: .7rem;
  font-weight: 900;
}

.testimonial {
  margin: 0;
  background: #fffaf4;
  border-left: 5px solid var(--amber);
  border-radius: 18px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.testimonial p {
  font-family: Georgia, serif;
  font-size: 1.25rem;
  color: var(--navy);
}

/* FAQ */

.faq-section {
  background: var(--soft);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.faq-grid details {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.faq-grid summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--navy);
}

/* Contact */

.contact-band {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
  padding: 70px 0;
}

.contact-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center bottom;
  opacity: .18;
}

.contact-grid {
  position: relative;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 3rem;
}

.contact-band h2 {
  color: #fff;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.contact-form {
  display: grid;
  gap: .85rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-radius: 10px;
  padding: .95rem;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, .7);
}

.contact-form button {
  justify-self: end;
}

.form-note {
  font-size: .85rem;
  color: #ffcf92;
}

/* Page hero */

.page-hero {
  min-height: 470px;
  color: #fff;
  display: grid;
  align-items: end;
  padding: 150px 0 70px;
  background: linear-gradient(90deg, rgba(5, 23, 41, .88), rgba(8, 37, 67, .6)), var(--bg);
  background-size: cover;
  background-position: center;
}

.page-hero h1 {
  font-size: clamp(2.6rem, 5vw, 5rem);
  max-width: 850px;
  margin: 0 0 1rem;
}

.page-hero p:not(.eyebrow) {
  max-width: 700px;
  color: rgba(255, 255, 255, .82);
}

.page-hero.plain {
  background: #f6f8fa;
  color: var(--navy);
  min-height: 330px;
}

.page-hero.plain p:not(.eyebrow) {
  color: var(--muted);
}

/* Values / process */

.values-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.values-grid article,
.process-grid article,
.panel-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
}

.values-grid span,
.process-grid span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 900;
}

/* Legal */

.legal .narrow {
  max-width: 860px;
}

.legal h2 {
  font-family: Georgia, serif;
  color: var(--navy);
  font-size: 1.65rem;
  margin-top: 2rem;
}

.legal a {
  color: #b86618;
  font-weight: 800;
}

/* Footer */

.site-footer {
  background: #061d33;
  color: #fff;
  padding: 48px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .9fr 1fr;
  gap: 2rem;
}

.footer-grid p,
.footer-grid span,
.footer-grid a {
  display: block;
  color: rgba(255, 255, 255, .72);
  margin: .3rem 0;
}

.footer-grid h3 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #ffbd68;
}

/* Reveal animation */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: .6s;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */

@media (max-width: 1050px) {
  .four {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .case-testimonial-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    gap: 1rem;
  }

  .main-nav .btn {
    display: none;
  }
}

@media (max-width: 900px) {
  .hero-content {
    transform: translateX(35px);
  }
	
  .hero {
    min-height: auto;
    padding: 140px 0 150px;
  }

  .overlap-cards {
    margin-top: -70px;
  }
}

@media (max-width: 820px) {
  .site-header,
  .nav-wrap {
    height: 68px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    left: 20px;
    right: 20px;
    display: grid;
    background: rgba(8, 37, 67, .98);
    padding: 1rem;
    border-radius: 16px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
  }

  .main-nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav .btn {
    display: inline-flex;
  }

  .overlap-cards,
  .split,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .timeline,
  .case-row,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .timeline:before {
    display: none;
  }

  .image-stack {
    padding-right: 0;
  }

  .dark-card {
    position: relative;
    width: auto;
    margin: -50px 20px 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form button {
    justify-self: stretch;
  }
}

@media (max-width: 640px) {
  .hero-content {
    transform: none;
  }
	
	
  .hero {
    padding: 120px 0 90px;
  }

  .overlap-cards {
    margin-top: 0;
    padding-top: 32px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .four,
  .trust-grid,
  .values-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: 60px 0;
  }
}