/* ============================================
   AX LINE — Site portail Anthony
   Stylesheet commune
   ============================================ */

/* --- Imports polices --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&display=swap');

/* --- Reset & base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

/* --- Variables --- */
:root {
  --paper: #FAFAFA;          /* fond blanc presque pur, très légèrement gris */
  --paper-dark: #F2F3F5;     /* gris très clair pour sections alternées */
  --ink: #1A1D21;            /* gris très foncé, presque noir */
  --ink-soft: #6C7480;       /* gris moyen pour textes secondaires */
  --line: #D5D9DE;           /* lignes gris clair */
  --line-soft: #E8EAED;      /* lignes très claires */
  --accent: #D9501A;         /* orange chantier conservé */
  --accent-dark: #B23E0E;
  
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-serif: 'Fraunces', Georgia, serif;
  
  --max-width: 1400px;
  --gutter: clamp(1.5rem, 4vw, 4rem);
}

/* --- Typographie --- */
h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  letter-spacing: -0.04em;
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 400;
  color: var(--ink-soft);
}

p {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  color: var(--ink-soft);
  max-width: 65ch;
}

p strong {
  color: var(--ink);
  font-weight: 600;
}

ul, ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--ink-soft);
}

li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

li::marker {
  color: var(--accent);
}

/* --- Mono accents (numérotation, cotes) --- */
.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--accent);
  margin-bottom: 1rem;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 0.5rem;
}

/* --- Layout principal --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

/* Croix de centrage (référence aux marques de plan technique) */
.tech-mark {
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
}

.tech-mark::before,
.tech-mark::after {
  content: '';
  position: absolute;
  background: var(--line);
}

.tech-mark::before {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.tech-mark::after {
  width: 1px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.tech-mark.tl { top: 30px; left: 30px; }
.tech-mark.tr { top: 30px; right: 30px; }
.tech-mark.bl { bottom: 30px; left: 30px; }
.tech-mark.br { bottom: 30px; right: 30px; }

/* --- Header & navigation --- */
.site-header {
  padding: 2rem var(--gutter);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 100;
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(8px);
  background: rgba(250, 250, 250, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  background-image: url('logo.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.brand-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--ink-soft);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  transition: color 0.2s;
  position: relative;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav a.active {
  color: var(--accent);
}

.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
}

@media (max-width: 720px) {
  .site-nav {
    gap: 1rem;
  }
  .site-nav a {
    font-size: 0.7rem;
  }
}

/* --- Hero pages services --- */
.page-hero {
  padding: clamp(4rem, 10vw, 8rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

@media (max-width: 900px) {
  .page-hero-inner {
    grid-template-columns: 1fr;
  }
}

.page-hero-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-hero-meta strong {
  display: block;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.page-hero h1 {
  font-size: clamp(1.5rem, 3vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.page-hero p {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  color: var(--ink);
  max-width: 50ch;
}

/* --- Sections de contenu --- */
.section {
  padding: clamp(3rem, 6vw, 6rem) var(--gutter);
  position: relative;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section.alt {
  background: var(--paper-dark);
}

.section-header {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: baseline;
}

@media (max-width: 720px) {
  .section-header {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* --- Grille de services (page d'accueil) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (max-width: 720px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: var(--paper);
  padding: clamp(2rem, 3.5vw, 3rem);
  display: flex;
  flex-direction: column;
  min-height: 320px;
  position: relative;
  transition: background 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.service-card:hover {
  background: var(--paper-dark);
}

.service-card:hover .service-arrow {
  transform: translateX(8px);
  color: var(--accent);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}

.service-title {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
}

.service-description {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-arrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  margin-top: auto;
}

/* --- Bloc de niveau (formations) --- */
.level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .level-grid {
    grid-template-columns: 1fr;
  }
}

.level-block {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 2rem;
  position: relative;
}

.level-block .mono {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent);
}

.level-block h3 {
  font-size: 1.2rem;
  text-transform: none;
  letter-spacing: -0.01em;
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

.level-block ul {
  margin-left: 1rem;
}

.level-block li {
  font-size: 0.95rem;
  font-family: var(--font-serif);
}

/* --- Liste de prestations (avec puces "+") --- */
.prestations-list {
  list-style: none;
  margin-left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem 2.5rem;
  margin-top: 2rem;
}

@media (max-width: 720px) {
  .prestations-list {
    grid-template-columns: 1fr;
  }
}

.prestations-list li {
  font-family: var(--font-serif);
  padding-left: 1.5rem;
  position: relative;
  color: var(--ink);
}

.prestations-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 700;
}

/* --- CTA Contact --- */
.cta-block {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  margin-top: 0;
}

.cta-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 720px) {
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.cta-block h2 {
  font-family: var(--font-mono);
  color: var(--paper);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  margin-bottom: 0.5rem;
}

.cta-block p {
  color: var(--line);
  margin: 0;
  font-size: 1rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 1.75rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--paper);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-block;
}

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

.btn.btn-outline {
  background: transparent;
  border-color: var(--paper);
  color: var(--paper);
}

.btn.btn-outline:hover {
  background: var(--paper);
  color: var(--ink);
}

/* --- Footer --- */
.site-footer {
  background: var(--paper);
  padding: clamp(2rem, 4vw, 3rem) var(--gutter);
  border-top: 1px solid var(--line-soft);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

.footer-block h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.footer-block a,
.footer-block p {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  display: block;
  margin-bottom: 0.4rem;
  transition: color 0.2s;
}

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

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* --- Page index spécifique --- */
.home-hero {
  padding: clamp(4rem, 8vw, 7rem) var(--gutter) clamp(3rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}

.home-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
}

@media (max-width: 900px) {
  .home-hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.home-hero h1 {
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.home-hero h1 span {
  color: var(--accent);
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 300;
}

.home-hero-intro {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  color: var(--ink);
}

.home-hero-intro p {
  color: var(--ink);
  max-width: 45ch;
  margin-bottom: 1rem;
}

.coordinates {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  text-transform: uppercase;
  position: absolute;
  top: 1rem;
  right: var(--gutter);
}

@media (max-width: 720px) {
  .coordinates {
    display: none;
  }
}

/* --- Animations subtiles --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.home-hero h1,
.home-hero-intro,
.page-hero h1,
.page-hero p {
  animation: fadeUp 0.8s ease-out both;
}

.home-hero-intro {
  animation-delay: 0.2s;
}

.service-card {
  animation: fadeUp 0.6s ease-out both;
}

.service-card:nth-child(1) { animation-delay: 0.3s; }
.service-card:nth-child(2) { animation-delay: 0.4s; }
.service-card:nth-child(3) { animation-delay: 0.5s; }
.service-card:nth-child(4) { animation-delay: 0.6s; }

/* --- Lien de retour (sous-pages) --- */
.back-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--accent);
}

.back-link::before {
  content: '←';
}

/* --- Accessibilité --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* --- Print --- */
@media print {
  .site-header, .cta-block, .site-footer {
    display: none;
  }
}