/* ============================================================
   PALETTE & VARIABLES
   Inspiration : markdown rendu, Obsidian/Typora, sobre & pro
   Violet pastel + vert doux + fond crème
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Lora:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg:           #f3ede3;
  --bg-alt:       #ebe3d5;
  --bg-card:      #f7f1e8;
  --bg-sidebar:   #e8e1f0;

  --text:         #2d2b35;
  --text-muted:   #7a7587;
  --text-light:   #b0aab8;

  --violet:       #7c5cbf;
  --violet-light: #c4b3e8;
  --violet-pale:  #ede9f7;

  --green:        #4a8c6f;
  --green-light:  #a8d4be;
  --green-pale:   #e8f4ee;

  --border:       #d4c9b8;
  --border-md:    #c0b8d0;

  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'Lora', Georgia, serif;

  --nav-h:   80px;
  --radius:  4px;
  --radius-lg: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--nav-h);
}

a { color: var(--violet); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--green); }

/* ============================================================ NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border-md);
  display: flex;
  align-items: stretch;
  transition: height 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  height: 54px;
  box-shadow: 0 2px 12px rgba(124,92,191,0.08);
}

.navbar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet) 0%, var(--green) 100%);
}

.navbar-menu {
  display: flex;
  align-items: stretch;
  flex: 1;
  list-style: none;
  padding-left: 0.5rem;
}

.navbar-menu > li {
  position: relative;
  display: flex;
  align-items: stretch;
}

.navbar-menu > li > a,
.navbar-menu > li > span {
  display: flex;
  align-items: center;
  padding: 0 1.2rem;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  user-select: none;
}

.navbar-menu > li > a:hover,
.navbar-menu > li:hover > a {
  color: var(--violet);
  background: var(--violet-pale);
  text-decoration: none;
}

.navbar-menu > li > a.active {
  color: var(--violet);
  font-weight: 600;
  border-bottom: 2px solid var(--violet);
}

.has-dropdown > a::after {
  content: ' ▾';
  font-size: 0.7rem;
  margin-left: 0.25rem;
  opacity: 0.45;
}

/* ============================================================ DROPDOWN */
.dropdown {
  display: none;
  position: absolute;
  top: 100%; left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-top: 2px solid var(--violet);
  min-width: 210px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 6px 20px rgba(124,92,191,0.08);
  z-index: 999;
}

.navbar-menu > li:hover > .dropdown { display: block; }

.dropdown a {
  display: block;
  padding: 0.55rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--bg-alt);
  transition: color 0.12s, background 0.12s;
}

.dropdown a:last-child { border-bottom: none; }
.dropdown a:hover { background: var(--violet-pale); color: var(--violet); text-decoration: none; }

/* Sous-menu 3e niveau */
.has-subdropdown { position: relative; }

.dropdown-label-arrow {
  display: block;
  padding: 0.55rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--bg-alt);
  cursor: default;
  background: var(--bg-alt);
  transition: color 0.12s, background 0.12s;
}

.has-subdropdown:hover > .dropdown-label-arrow {
  background: var(--violet-pale);
  color: var(--violet);
}

.subdropdown {
  display: none;
  position: absolute;
  top: 0; left: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-top: 2px solid var(--green);
  min-width: 210px;
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
  box-shadow: 4px 6px 20px rgba(74,140,111,0.08);
  z-index: 998;
}

.has-subdropdown:hover > .subdropdown { display: block; }

.subdropdown a {
  display: block;
  padding: 0.55rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--bg-alt);
  transition: color 0.12s, background 0.12s;
}

.subdropdown a:last-child { border-bottom: none; }
.subdropdown a:hover { background: var(--green-pale); color: var(--green); text-decoration: none; }

.navbar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.25rem;
  border-left: 1px solid var(--border);
}

.logo-placeholder {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-light);
  border: 1px dashed var(--border-md);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
  transition: opacity 0.15s;
}

.logo-img:hover { opacity: 0.85; }

/* ============================================================ MAIN */
main {
  flex: 1;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.75rem 4rem;
}

/* ============================================================ TYPO STYLE MD */
h1 {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--violet-light);
}

h1::before {
  content: '# ';
  color: var(--violet);
  opacity: 0.45;
  font-size: 1.1rem;
}

h2 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 2rem 0 0.6rem;
}

h2::before {
  content: '## ';
  color: var(--green);
  opacity: 0.5;
  font-size: 0.85rem;
}

p { margin-bottom: 1rem; }
strong { font-weight: 600; }

/* ============================================================ BREADCRUMB */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.77rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--violet); }
.breadcrumb a:hover { color: var(--green); }

/* ============================================================ PAGE HEADER */
.page-header { margin-bottom: 1.5rem; }
.page-header h1 { margin-bottom: 0.5rem; }

.cross-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  background: var(--green-pale);
  border: 1px solid var(--green-light);
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  transition: background 0.15s;
}

.cross-link:hover {
  background: var(--green-light);
  color: var(--text);
  text-decoration: none;
}

.page-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.page-tags a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--violet);
  background: var(--violet-pale);
  border: 1px solid var(--violet-light);
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  transition: background 0.15s;
}

.page-tags a:hover {
  background: var(--violet-light);
  color: var(--text);
  text-decoration: none;
}

/* ============================================================ PLACEHOLDERS */
.placeholder-img {
  background: var(--bg-alt);
  border: 2px dashed var(--border-md);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-family: var(--font-mono);
  font-size: 0.77rem;
  text-align: center;
  padding: 1rem;
}

.placeholder-img.large { width: 100%; height: 220px; margin-bottom: 1.75rem; }
.placeholder-img.small { width: 100%; height: 110px; }

.placeholder-text {
  background: var(--violet-pale);
  border-left: 3px solid var(--violet-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.8rem 1rem;
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.92rem;
  margin-bottom: 1rem;
  min-height: 55px;
}

/* ============================================================ LANDING */
.landing {
  text-align: center;
  padding-top: 2rem;
}

.landing h1 {
  font-size: 2rem;
  border: none;
  padding-bottom: 0;
  margin-bottom: 0.35rem;
}

.landing h1::before { content: none; }

.subtitle {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

.cta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  max-width: 420px;
  margin: 0 auto;
}

.cta-card {
  display: block;
  padding: 1rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-lg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.83rem;
  text-align: left;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--violet), var(--green));
  opacity: 0;
  transition: opacity 0.15s;
}

.cta-card:hover {
  border-color: var(--violet-light);
  background: var(--violet-pale);
  text-decoration: none;
  transform: translateY(-2px);
}

.cta-card:hover::before { opacity: 1; }

/* ============================================================ SOMMAIRE CARDS */
.summary-section-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin: 2.25rem 0 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.summary-section-title::before { content: none; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.8rem;
}

.summary-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
}

.summary-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--green));
  opacity: 0;
  transition: opacity 0.15s;
}

.summary-card:hover {
  border-color: var(--violet-light);
  background: var(--violet-pale);
  text-decoration: none;
  transform: translateY(-2px);
}

.summary-card:hover::after { opacity: 1; }

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.summary-card h3 {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.summary-card p {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ============================================================ LAYOUT RÉALISATION */
.realisation-layout {
  display: grid;
  grid-template-columns: 1fr 196px;
  gap: 2rem;
  align-items: start;
}

.realisation-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-sidebar);
}

.sidebar-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.sidebar-header span {
  padding: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-md);
}

.sidebar-header span:first-child {
  border-right: 1px solid var(--border-md);
  color: var(--violet);
}

.sidebar-header span:last-child { color: var(--green); }

.sidebar-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.sidebar-row:last-child { border-bottom: none; }

.sidebar-row a {
  padding: 0.4rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border-right: 1px solid var(--border);
  transition: background 0.12s, color 0.12s;
  line-height: 1.4;
}

.sidebar-row a:last-child { border-right: none; }

.sidebar-row a:first-child:hover { background: var(--violet-pale); color: var(--violet); text-decoration: none; }
.sidebar-row a:last-child:hover { background: var(--green-pale); color: var(--green); text-decoration: none; }

/* ============================================================ TIMELINE */
.timeline {
  border-left: 2px solid var(--violet-light);
  padding-left: 1.75rem;
  margin-left: 0.5rem;
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.15rem;
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--violet);
  box-shadow: 0 0 0 3px var(--violet-pale);
}

.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-light);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  margin-bottom: 0.4rem;
}

.timeline-content h2 { font-size: 0.98rem; margin: 0 0 0.2rem; }
.timeline-content h2::before { content: none; }
.timeline-content p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0.35rem; }

/* ============================================================ CONTACT */
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; margin-top: 0.75rem; }
.contact-list li { font-size: 0.95rem; }

/* ============================================================ FOOTER */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-md);
  padding: 0.8rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-light);
  position: relative;
}

footer::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--violet));
}

footer a { color: var(--violet); }
footer a:hover { color: var(--green); }