/* =============================================================
   OPSVALUE — Cabinet de management de transition IT & cybersécurité
   CSS principal — Site vitrine
   Tokens et conventions repris de julien-rousseau.fr pour cohérence
   visuelle entre les deux sites.
   ============================================================= */

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

/* === DESIGN TOKENS (identiques à julien-rousseau.fr) === */
:root {
  --color-navy:       #0d1b2a;
  --color-navy-mid:   #132030;
  --color-accent:     #c0883a;
  --color-accent-h:   #d09848;
  --color-white:      #ffffff;
  --color-off-white:  #f6f7f9;
  --color-gray-100:   #f0f2f5;
  --color-gray-200:   #e3e7ed;
  --color-gray-400:   #9aa3b2;
  --color-text:       #1b2333;
  --color-text-mid:   #47546a;
  --color-text-light: #6b7a94;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-tracking-tight: -0.03em;
  --font-tracking-wide:  0.06em;

  --container:     1120px;
  --container-pad: clamp(1.25rem, 5vw, 2.5rem);
  --section-pad:   clamp(4rem, 8vw, 6rem);

  --r-sm: 3px;
  --r:    6px;

  --shadow:    0 3px 16px rgba(13, 27, 42, 0.1);

  --t: 0.2s ease;
}

/* === ACCESSIBILITY === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 var(--r) 0;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-white);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* === LAYOUT === */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex-shrink: 0;
}

.logo-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.01em;
}

.logo-title {
  font-size: 0.6875rem;
  color: var(--color-accent);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
}

.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.01em;
  transition: color var(--t);
  padding: 0.375rem 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--t);
}

.main-nav a:hover {
  color: var(--color-white);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  color: var(--color-accent) !important;
  background: rgba(192, 136, 58, 0.08);
  border: 1px solid rgba(192, 136, 58, 0.35);
  padding: 0.5rem 1.25rem !important;
  border-radius: 2px;
  font-weight: 600 !important;
  transition: background var(--t), border-color var(--t), color var(--t) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
  color: var(--color-white) !important;
}

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 0.875rem 1.875rem;
  border-radius: var(--r-sm);
  letter-spacing: 0.01em;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: 0 2px 10px rgba(192, 136, 58, 0.32);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--color-accent-h);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(192, 136, 58, 0.42);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.875rem 1.375rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--r-sm);
  transition: color var(--t), border-color var(--t), background var(--t);
  letter-spacing: 0.01em;
}

.btn-ghost:hover {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.06);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--r-sm);
  transition: color var(--t), border-color var(--t);
}

.btn-outline:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* === HERO === */
.hero {
  background: var(--color-navy);
  padding: clamp(4.5rem, 10vw, 7rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 72% 40%, rgba(192, 136, 58, 0.06) 0%, transparent 55%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  max-width: 46rem;
}

.hero-name {
  font-size: clamp(2.5rem, 5.5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 0.875rem;
}

.hero-domains {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-weight: 600;
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.hero-tagline {
  font-size: clamp(1rem, 1.8vw, 1.1875rem);
  color: rgba(255, 255, 255, 0.72);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 2.25rem;
}

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

/* === SECTION HEADER === */
.section-header {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.section-header--left {
  margin-left: 0;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: var(--font-tracking-tight);
  margin-bottom: 0.75rem;
}

.section-lead {
  font-size: 1rem;
  color: var(--color-text-mid);
  line-height: 1.65;
}

/* === APPROCHE === */
.section-approche {
  padding: var(--section-pad) 0;
  background: var(--color-white);
}

.approche-text p {
  font-size: 0.9375rem;
  color: var(--color-text-mid);
  line-height: 1.75;
  max-width: 46rem;
}

.approche-text p + p {
  margin-top: 1.25rem;
}

/* === FONDATEUR === */
.section-fondateur {
  padding: var(--section-pad) 0;
  background: var(--color-off-white);
}

.fondateur-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.75rem;
  align-items: start;
}

.fondateur-photo img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--r);
  box-shadow: var(--shadow);
}

.fondateur-name {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: var(--font-tracking-tight);
  margin-bottom: 0.25rem;
}

.fondateur-role {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--font-tracking-wide);
  margin-bottom: 1.25rem;
}

.fondateur-bio p {
  font-size: 0.9375rem;
  color: var(--color-text-mid);
  line-height: 1.75;
  max-width: 42rem;
}

.fondateur-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 1.5rem;
}

/* === DOMAINES === */
.section-domaines {
  padding: var(--section-pad) 0;
  background: var(--color-white);
}

.domaines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card-domaine {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--r);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--t), box-shadow var(--t);
}

.card-domaine:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
}

.card-domaine h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: var(--font-tracking-tight);
  margin-bottom: 0.625rem;
}

.card-domaine p {
  font-size: 0.875rem;
  color: var(--color-text-mid);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-domaine a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}

.card-domaine a:hover {
  gap: 0.625rem;
}

/* === IDENTITÉ (mentions-legales.html aussi) === */
.section-identite {
  padding: var(--section-pad) 0;
  background: var(--color-off-white);
}

.legal-list {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  max-width: 42rem;
}

.legal-row {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: 0.5rem 1.5rem;
  padding-bottom: 1.125rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.legal-row dt {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--font-tracking-wide);
  color: var(--color-accent);
}

.legal-row dd {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 640px) {
  .legal-row {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }
}

/* === CONTACT === */
.section-contact {
  padding: var(--section-pad) 0;
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-gray-200);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--r);
  overflow: hidden;
}

.contact-card {
  background: var(--color-white);
  padding: 2rem 1.75rem;
}

.contact-card-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--font-tracking-wide);
  color: var(--color-text-light);
  margin-bottom: 0.875rem;
}

.contact-card-value {
  display: block;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.contact-card-value--btn {
  cursor: pointer;
}

a.contact-card-value:hover,
.contact-card-value--btn:hover {
  color: var(--color-accent);
}

.contact-card-note {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* === PROSE (mentions légales) === */
.pp-text p {
  font-size: 0.9375rem;
  color: var(--color-text-mid);
  line-height: 1.75;
}

.pp-text p + p {
  margin-top: 1rem;
}

/* === PAGE HERO COMPACT (mentions légales) === */
.page-hero {
  background: var(--color-navy);
  padding: clamp(3rem, 6vw, 4rem) 0 clamp(2.5rem, 5vw, 3rem);
}

.page-hero .back-link {
  display: inline-block;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1.25rem;
}

.page-hero .back-link:hover {
  color: var(--color-white);
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: var(--font-tracking-tight);
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 36rem;
}

/* === FOOTER === */
.site-footer {
  background: var(--color-navy);
  padding: 2.75rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-role {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
}

.footer-email {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
  margin-top: 0.25rem;
  transition: color var(--t);
}

.footer-email:hover {
  color: var(--color-accent);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.footer-nav a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--t);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: 1.5rem;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .domaines-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .fondateur-layout {
    grid-template-columns: 1fr;
  }

  .fondateur-photo img {
    width: 140px;
    height: 140px;
  }
}

@media (max-width: 560px) {
  .domaines-grid {
    grid-template-columns: 1fr;
  }

  .site-header .container {
    justify-content: center;
    text-align: center;
  }

  .main-nav ul {
    justify-content: center;
  }
}