/* STEDRE — site V1
   Palette:
   S / bleu nuit : #122638
   T / bleu      : #203A56
   E / ocre      : #B99045
*/

:root {
  --ink: #122638;
  --blue: #203A56;
  --gold: #B99045;
  --paper: #F6F5F1;
  --white: #FFFFFF;
  --muted: #5F6E79;
  --line: #D8DEE2;
  --soft: #EEF1F2;
  --deep: #0F2232;
  --shell: 1180px;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(18, 38, 56, 0.09);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family:
    ui-sans-serif, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

p,
li,
h1,
h2,
h3 {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  line-height: 1.08;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(18, 38, 56, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo {
  width: 54px;
  height: auto;
  flex: 0 0 auto;
}

.logo-letter {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 24px;
  font-weight: 700;
  dominant-baseline: middle;
}

.logo-letter-light {
  fill: #FFFFFF;
}

.logo-letter-dark {
  fill: #122638;
}

.brand-text {
  display: grid;
  line-height: 1.14;
}

.brand-text strong {
  font-size: 1.06rem;
  letter-spacing: 0.12em;
}

.brand-text span {
  margin-top: 5px;
  color: #415462;
  font-size: 0.73rem;
  letter-spacing: 0.055em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--gold);
}

.hero {
  background:
    radial-gradient(circle at 88% 12%, rgba(185, 144, 69, 0.17), transparent 28rem),
    linear-gradient(180deg, #F7F8F8 0%, #FFFFFF 100%);
}

.hero-grid {
  min-height: 580px;
  padding-block: 82px 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.68fr);
  gap: 76px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: #71808A;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.035em;
  text-transform: none;
}

.eyebrow-light {
  color: #71808A;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.15rem, 3.6vw, 3.25rem);
  letter-spacing: -0.047em;
}

.lead {
  max-width: 790px;
  margin: 24px 0 0;
  color: #415462;
  font-size: 1rem;
  line-height: 1.65;
}

.hero-detail {
  max-width: 800px;
  margin: 22px 0 0;
  color: #415462;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--blue);
}

.button-secondary {
  border: 1px solid #BAC4CB;
  background: rgba(255, 255, 255, 0.72);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--gold);
}

.hero-path {
  max-width: 420px;
}

.path-step {
  padding: 0;
}

.path-step + .path-step {
  margin-top: 24px;
}

.path-step strong {
  display: block;
  margin-bottom: 5px;
  font-size: 1.14rem;
}

.path-step p {
  margin: 0;
  color: #415462;
  font-size: 0.94rem;
}

.section {
  padding-block: 88px;
}

.section-tint {
  background: var(--white);
}

.section-deep {
  background: var(--white);
  color: var(--ink);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.35fr);
  gap: 78px;
  align-items: start;
}

.section-heading {
  max-width: 760px;
}

.sticky-heading {
  position: sticky;
  top: 122px;
}

.section-heading h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.9rem);
  letter-spacing: -0.038em;
}

.wide-heading {
  max-width: 860px;
  margin-bottom: 38px;
}

.wide-heading > p:not(.eyebrow) {
  max-width: 760px;
  margin: 20px 0 0;
  color: #415462;
}

.section-copy {
  max-width: 790px;
}

.section-copy > p:first-child {
  margin-top: 0;
}

.section-copy p {
  color: #415462;
  font-size: 1rem;
  line-height: 1.65;
}

.section-copy .intro {
  color: #415462;
  font-size: 1rem;
  line-height: 1.65;
}

.list-intro {
  margin-top: 32px;
  color: var(--ink) !important;
  font-weight: 750;
}

.feature-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.feature-list li {
  position: relative;
  padding: 0 0 0 24px;
  color: #415462;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.closing {
  margin-top: 30px !important;
  padding: 0;
  color: #415462 !important;
  font-weight: 400;
}

.process {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.process-step {
  display: block;
  padding: 0;
}

.process-step p {
  margin: 0;
  color: #455865;
}

.outputs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 16px 0 0;
  color: #415462;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
}

.outputs-list span {
  display: inline-flex;
  align-items: center;
}

.outputs-list span:not(:last-child)::after {
  content: "·";
  margin: 0 0.65em;
  color: var(--gold);
  font-weight: 900;
}

.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 48px;
  margin-top: 32px;
}

.principles article {
  padding: 0;
}

.principles article:last-child {
  grid-column: auto;
}

.principles h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.principles p {
  margin: 0;
  color: #415462;
  font-size: 1rem;
  line-height: 1.65;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px 64px;
}

.expertise-card {
  padding: 0;
}

.expertise-card h3 {
  margin: 0 0 14px;
  font-size: 1.42rem;
  letter-spacing: -0.015em;
}

.expertise-card > p {
  margin: 0;
  color: #415462;
}

.expertise-card ul {
  margin: 18px 0 0;
  padding-left: 1.2em;
  color: #415462;
}

.expertise-card li + li {
  margin-top: 7px;
}

.contact-section {
  padding-block: 100px;
  background: var(--ink);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.82fr);
  gap: 78px;
  align-items: start;
}

.contact-lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: #D5DDE2;
  font-size: 1rem;
  line-height: 1.65;
}

.contact-grid > div:first-child > p:last-child {
  max-width: 650px;
  color: #C8D2D8;
}

.contact-card {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.contact-card h3 {
  margin: 0 0 14px;
  font-size: 1.5rem;
}

.contact-card > p {
  margin: 0;
  color: #D5DDE2;
}

.contact-details {
  display: grid;
  gap: 0;
  margin-top: 28px;
  font-style: normal;
}

.contact-details a {
  display: grid;
  gap: 3px;
  padding-block: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.contact-details a:hover strong,
.contact-details a:focus-visible strong {
  color: #E2C78C;
}

.contact-details span {
  color: #AEBCC5;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-details strong {
  overflow-wrap: anywhere;
  color: var(--white);
  font-size: 1.02rem;
  transition: color 160ms ease;
}

.site-footer {
  padding-block: 28px;
  background: #091823;
  color: #BECAD1;
  font-size: 0.84rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner strong {
  color: var(--white);
  letter-spacing: 0.08em;
}

:focus-visible {
  outline: 3px solid #D4A95A;
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .nav {
    gap: 16px;
    font-size: 0.84rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 72px 64px;
    gap: 46px;
  }

  .hero-path {
    max-width: 680px;
  }

  .split-layout,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .sticky-heading {
    position: static;
  }

  .section-heading {
    max-width: 820px;
  }
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 74px;
  }

  .nav {
    display: none;
  }

  .section {
    padding-block: 70px;
  }

  .expertise-grid,
  .principles {
    grid-template-columns: 1fr;
  }

  .contact-section {
    padding-block: 70px;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .brand-text span {
    display: none;
  }

  .hero-grid {
    padding-block: 54px 50px;
  }

  h1 {
    font-size: clamp(1.95rem, 8.5vw, 2.65rem);
  }

  .section-heading h2,
  .contact-section h2 {
    font-size: clamp(1.7rem, 8vw, 2.45rem);
  }

  .path-step {
    padding: 20px 22px;
  }

  .expertise-card {
    padding: 0;
  }

  .contact-card {
    padding: 24px;
  }


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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}


/* Mentions légales */
.legal-content {
  max-width: 820px;
}

.legal-title {
  margin-bottom: 42px;
}

.legal-content section + section {
  margin-top: 42px;
}

.legal-content h2 {
  margin: 0 0 14px;
  font-size: 1.35rem;
  letter-spacing: -0.015em;
}

.legal-content p {
  color: #415462;
}

.legal-content a,
.site-footer a {
  text-underline-offset: 0.16em;
}

.legal-back {
  margin-top: 48px;
}