:root {
  color-scheme: dark;
  --bg: #07060b;
  --surface: rgba(18, 15, 28, 0.68);
  --text-1: #f7f4ff;
  --text-2: #c7c2d0;
  --text-3: #837c90;
  --accent: #8b5cf6;
  --accent-light: #b69aff;
  --purple: #8b5cf6;
  --purple-light: #b69aff;
  --line: rgba(255, 255, 255, 0.09);
  --glass-bg: rgba(15, 12, 22, 0.72);
  --glass-border: rgba(255, 255, 255, 0.09);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-1);
  font-family: "Manrope", system-ui, sans-serif;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -4;
  content: "";
  background:
    radial-gradient(circle at 50% 44%, rgba(107, 50, 204, 0.14), transparent 30%),
    linear-gradient(180deg, #09070e 0%, #060509 100%);
}

/* Decorative fixed background grid — do NOT reuse ".grid" as a layout utility,
   it is reserved for this overlay. Use ".cards-grid" for layout grids. */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  opacity: 0.22;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 72%);
}

.ambient { position: fixed; z-index: -2; border-radius: 999px; filter: blur(90px); pointer-events: none; }
.ambient-one { width: 440px; height: 440px; top: 16%; left: -260px; background: rgba(111, 42, 216, 0.22); }
.ambient-two { width: 380px; height: 380px; right: -220px; bottom: -100px; background: rgba(113, 46, 218, 0.18); }

/* Effet de verre (Glassmorphism) */
.glass {
  background: rgba(15, 12, 22, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.2);
}

.glass-interactive {
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.glass-interactive:hover {
  transform: translateY(-3px);
  border-color: rgba(160, 119, 255, 0.35);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.38), 0 0 25px rgba(121, 70, 220, 0.12);
  background: rgba(25, 20, 38, 0.85);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--purple-light);
  outline-offset: 2px;
}

/* ============ HEADER ============ */

.site-header {
  position: relative;
  width: min(1200px, calc(100% - 48px));
  min-height: 88px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(24px, 3vw, 54px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 11px; color: var(--text-1); text-decoration: none; font-size: 20px; font-weight: 800; letter-spacing: -0.6px; }
.brand-mark { position: relative; width: 36px; height: 36px; padding: 2px; display: grid; place-items: center; overflow: hidden; border-radius: 12px; background: #6b32dc; box-shadow: 0 0 24px rgba(139, 92, 246, 0.3); }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }

.main-nav { display: flex; gap: clamp(14px, 2vw, 28px); margin-left: 20px; }
.main-nav a { color: var(--text-2); text-decoration: none; font-size: 14px; font-weight: 600; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.active { color: #fff; }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid transparent; border-radius: 12px; color: #fff; text-decoration: none; font-size: 13px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-ghost { padding: 11px 17px; border-color: var(--line); background: rgba(255,255,255,.025); color: var(--text-2); }
.button-ghost:hover { border-color: rgba(182,154,255,.4); background: rgba(139,92,246,.07); color: #fff; }
.button-primary { padding: 11px 18px; background: linear-gradient(135deg, #9b6cff, #6c38db); box-shadow: inset 0 1px 0 rgba(255,255,255,.28), 0 10px 30px rgba(109, 56, 219, .2); }
.button-large { min-width: 174px; padding: 14px 19px; font-size: 14px; }
.button-small { padding: 8px 14px; font-size: 12px; }
.button[aria-pressed="true"].button-ghost,
.button.active.button-ghost { border-color: rgba(182,154,255,.4); background: rgba(139,92,246,.1); color: #fff; }

/* ---- Language picker ---- */
.language-picker { position: relative; }
.language-picker-toggle {
  display: flex; align-items: center; gap: 6px;
  height: 40px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(255,255,255,.025); color: var(--text-2);
  cursor: pointer; font: 700 12px "Manrope", sans-serif; letter-spacing: .02em;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.language-picker-toggle:hover { border-color: rgba(182,154,255,.4); background: rgba(139,92,246,.07); color: #fff; }
.language-picker-toggle svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.language-picker-menu {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 60;
  min-width: 150px; display: none; flex-direction: column; gap: 2px;
  padding: 6px; border-radius: 12px;
  background: rgba(15, 12, 22, 0.96); border: 1px solid var(--line);
  box-shadow: 0 20px 45px rgba(0,0,0,.4); backdrop-filter: blur(16px);
}
.language-picker.open .language-picker-menu { display: flex; }
.language-picker-menu button {
  all: unset; box-sizing: border-box; width: 100%;
  padding: 9px 12px; border-radius: 8px;
  font: 600 13px "Manrope", sans-serif; color: var(--text-2); cursor: pointer;
}
.language-picker-menu button:hover { background: rgba(139,92,246,.12); color: #fff; }
.language-picker-menu button.active { background: rgba(139,92,246,.18); color: #fff; }

/* ---- Mobile menu toggle ---- */
.menu-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: transparent; cursor: pointer; flex-shrink: 0; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 5px auto; background: white; transition: transform .25s ease, opacity .25s ease; }
.site-header.menu-open .menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
.site-header.menu-open .menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }

@media (max-width: 800px) {
  .main-nav, .header-actions { display: none; width: 100%; }
  .menu-toggle { display: block; }

  .site-header { padding: 18px 0; min-height: 0; }
  .site-header.menu-open { padding-bottom: 22px; }

  .site-header.menu-open .main-nav {
    display: flex; flex-direction: column; align-items: flex-start; gap: 16px;
    margin: 20px 0 0; padding-top: 20px; border-top: 1px solid var(--line);
  }
  .site-header .main-nav { margin-left: 0; }
  .site-header.menu-open .header-actions {
    display: flex; margin: 18px 0 0;
  }
  .site-header.menu-open .header-actions .button { width: 100%; justify-content: center; }
}

/* ============ HERO (accueil) ============ */

.hero { width: min(1040px, calc(100% - 48px)); margin: 0 auto; padding: 80px 0; display: flex; align-items: center; flex-direction: column; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 7px 12px; border: 1px solid rgba(162,123,255,.18); border-radius: 999px; background: rgba(116,65,214,.08); color: #bca5ed; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow > span:first-child { width: 5px; height: 5px; border-radius: 50%; background: var(--purple-light); box-shadow: 0 0 12px var(--purple-light); }

h1 { max-width: 900px; margin: 25px 0 20px; font-size: clamp(40px, 5.5vw, 72px); line-height: 1.05; letter-spacing: -0.04em; font-weight: 800; }
h1 em { color: transparent; font-style: normal; background: linear-gradient(95deg, #fff 4%, #c6aaff 55%, #8553eb); background-clip: text; -webkit-background-clip: text; }
.hero-copy { max-width: 650px; margin: 0 auto; color: var(--text-2); font-size: 15px; line-height: 1.7; }

.hero-actions { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 32px; flex-wrap: wrap; }
.text-link { color: #bbb5c5; text-decoration: none; font-size: 13px; font-weight: 600; }
.text-link span { margin-left: 5px; color: #a77cf9; }

.stats { width: min(760px, 100%); margin-top: 60px; display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); border-radius: 18px; background: rgba(14, 12, 20, .58); backdrop-filter: blur(18px); }
.stat-card { padding: 25px 30px; display: flex; align-items: center; justify-content: center; gap: 18px; border-radius: 18px; }
.stat-card + .stat-card { border-left: 1px solid var(--line); }
.stat-icon { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(168,128,255,.18); border-radius: 12px; background: rgba(128,76,230,.08); color: #a782f5; }
.stat-icon svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.stat-card div:last-child { display: flex; flex-direction: column; text-align: left; }
.stat-card strong { font-size: 24px; letter-spacing: -.04em; color: #fff; }
.stat-card span { margin-top: 3px; color: var(--text-3); font-size: 11px; }

@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
  .stat-card + .stat-card { border-left: none; border-top: 1px solid var(--line); }
}

/* ============ INNER PAGES (projets / réalisations / veille) ============ */

.page-shell { width: min(1200px, calc(100% - 48px)); margin: 0 auto; padding: 48px 0 90px; }

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-3); margin-bottom: 32px; }
.breadcrumb a { color: var(--text-3); text-decoration: none; transition: color .2s ease; }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .current { color: var(--accent-light); }

.section-head { margin-bottom: 44px; }
.section-head + .section-head { margin-top: 8px; }
.section-tag {
  display: inline-block; margin-bottom: 12px; padding: 6px 13px;
  border: 1px solid rgba(139,92,246,.2); border-radius: 999px;
  background: rgba(139,92,246,.06);
  font: 700 11px "Manrope", sans-serif; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-light);
}
.section-head h2 { margin: 0; color: #fff; font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -0.02em; }
.gradient-text {
  background: linear-gradient(to right, #b69aff, #8b5cf6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; margin-bottom: 64px; }

.card { border-radius: 18px; padding: 24px; }

.badge {
  display: inline-flex; align-items: center; padding: 5px 11px; border-radius: 8px;
  font: 600 11px "Manrope", sans-serif; border: 1px solid transparent;
}
.badge-done { background: rgba(139,92,246,.1); color: var(--accent-light); border-color: rgba(139,92,246,.25); }
.badge-progress { background: rgba(182,154,255,.1); color: var(--purple-light); border-color: rgba(182,154,255,.25); }
.badge-category {
  background: rgba(139,92,246,.12); color: var(--purple-light);
  font-size: 10px; font-weight: 700; letter-spacing: .04em;
}

/* Skills, diploma & project cards */
.skill-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.skill-card-head .icon {
  display: grid; place-items: center; flex-shrink: 0;
  width: 34px; height: 34px; border-radius: 10px;
  border: 1px solid rgba(139,92,246,.18); background: rgba(139,92,246,.08); color: var(--purple-light);
}
.skill-card-head .icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.skill-card-head h3 { margin: 0; color: #fff; font-weight: 700; font-size: 1.05rem; }
.skill-list { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; font-size: 13px; color: var(--text-2); }
.skill-list li { display: flex; align-items: baseline; gap: 8px; }
.skill-list li::before { content: "▹"; color: var(--accent-light); font-size: 11px; }

.diploma-card .badge { margin-bottom: 12px; }
.diploma-card h3 { margin: 0 0 4px; color: #fff; font-weight: 700; font-size: 1.05rem; }
.diploma-card p { margin: 0; color: var(--text-2); font-size: 13px; }
.diploma-card .meta { color: var(--text-3); font-size: 12px; margin-top: 6px; }

.experience-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 20px; }
.experience-card .period { font: 700 12px "Manrope", sans-serif; color: var(--accent-light); }
.experience-card h3 { margin: 4px 0 2px; color: #fff; font-weight: 700; font-size: 1.05rem; }
.experience-card .org { margin: 0; color: var(--text-2); font-size: 13px; }
.experience-card .desc { margin: 8px 0 0; color: var(--text-3); font-size: 13px; line-height: 1.55; }

.project-card { display: flex; flex-direction: column; gap: 12px; }
.project-card .badges-row { display: flex; flex-wrap: wrap; gap: 6px; }
.project-card h3 { margin: 0; color: #fff; font-weight: 700; font-size: 1.1rem; }
.project-card p { margin: 0; color: var(--text-2); font-size: 13px; line-height: 1.55; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.tag { padding: 4px 10px; border-radius: 8px; background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--text-2); font-size: 11px; font-weight: 600; }

/* ---- Veille toolbar ---- */
.veille-info { padding: 24px; margin-bottom: 28px; }
.veille-info h3 { margin: 0 0 8px; color: #fff; font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; gap: 10px; }
.veille-info h3 svg { width: 18px; height: 18px; fill: none; stroke: var(--purple-light); stroke-width: 1.7; flex-shrink: 0; }
.icon-inline { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2; vertical-align: -2px; margin-right: 4px; }
.veille-info p { margin: 0 0 16px; color: var(--text-2); font-size: 13px; line-height: 1.6; }
.veille-sources-label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); margin-bottom: 8px; }
.source-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.source-tag { padding: 5px 11px; border-radius: 10px; font-size: 11px; background: rgba(139,92,246,.1); color: var(--accent-light); border: 1px solid rgba(139,92,246,.2); }

.veille-toolbar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; align-items: center; }
.veille-search { flex: 1; min-width: 220px; max-width: 400px; }
.veille-search input {
  width: 100%; padding: 12px 16px; border-radius: 14px;
  background: rgba(15,12,22,.78); border: 1px solid var(--line); color: #fff;
  font: 500 13px "Manrope", sans-serif; outline: none;
}
.veille-filters { display: flex; flex-wrap: wrap; gap: 8px; }

.veille-list { display: flex; flex-direction: column; gap: 14px; }
.veille-item {
  display: flex; gap: 16px; padding: 20px; border-radius: 16px;
  text-decoration: none; align-items: flex-start;
}
.veille-item .badge { flex-shrink: 0; }
.veille-item .body { flex: 1; min-width: 0; }
.veille-item h4 { margin: 0 0 6px; color: #fff; font-size: 1rem; font-weight: 700; }
.veille-item p { margin: 0 0 12px; color: var(--text-2); font-size: 13px; line-height: 1.55; }
.veille-item .meta { display: flex; flex-wrap: wrap; gap: 16px; color: var(--text-3); font-size: 11px; }
.veille-empty { padding: 40px; text-align: center; color: var(--text-2); border-radius: 16px; }

/* ============ CONTACT ============ */

.contact-grid { display: grid; grid-template-columns: minmax(320px, .9fr) minmax(400px, 1.1fr); align-items: start; gap: 32px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-links { display: grid; gap: 15px; }
.contact-link { justify-content: flex-start; padding: 15px 20px; }
.contact-link svg { width: 20px; flex-shrink: 0; }
.contact-static { justify-content: flex-start; padding: 15px 20px; cursor: default; opacity: .8; }
.contact-static svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; flex-shrink: 0; }

.contact-form-card { padding: 35px; background: rgba(15,12,22,.85); }
.contact-form-card h3 { margin: 0 0 25px; font-size: 20px; color: #fff; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.field-label { display: block; font-size: 11px; font-weight: 700; color: var(--text-3); margin-bottom: 6px; text-transform: uppercase; }
.field-wrap {
  display: flex; align-items: center; margin: 0; min-height: 52px;
  border-radius: 16px; padding: 0 18px;
  background: rgba(255,255,255,.03); border: 1px solid var(--line);
  transition: border-color .2s ease;
}
.field-wrap:focus-within { border-color: rgba(182,154,255,.4); }
.field-wrap input, .field-wrap textarea {
  width: 100%; border: 0; outline: 0; background: transparent; color: #fff;
  font: 500 13px "Manrope", sans-serif;
}
.field-wrap.textarea { align-items: flex-start; min-height: 130px; padding: 12px 18px; }
.field-wrap textarea { resize: none; min-height: 100px; }
.form-status { display: none; font-size: 12px; margin-top: 5px; text-align: center; font-weight: 600; }

/* ============ FOOTER ============ */

.site-footer { width: min(1200px, calc(100% - 48px)); margin: 60px auto 0; padding: 30px 0; border-top: 1px solid var(--line); text-align: center; color: var(--text-3); font-size: 11px; }

/* ============ ADMIN ============ */

.admin-login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.admin-login-card { width: min(420px, 100%); padding: 32px; text-align: left; }

.admin-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.admin-tabs .badge { margin-left: 6px; }

.admin-panel { display: flex; flex-direction: column; gap: 28px; }

.admin-form { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.admin-form h3 { margin: 0 0 4px; color: #fff; font-size: 1rem; }
.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .admin-form-grid { grid-template-columns: 1fr; } }
.admin-form .field-wrap select { width: 100%; border: 0; outline: 0; background: transparent; color: #fff; font: 500 13px "Manrope", sans-serif; }
.admin-form .field-wrap select option { background: #15111f; }

.admin-checkboxes { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 13px; color: var(--text-2); }
.admin-checkboxes label { display: flex; align-items: center; gap: 6px; }

.admin-list { display: flex; flex-direction: column; gap: 10px; }
.admin-row { padding: 16px 20px; display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.admin-row strong { color: #fff; font-size: 14px; }
.admin-row-meta { margin: 4px 0 0; color: var(--text-3); font-size: 12px; }
.admin-empty { color: var(--text-3); font-size: 13px; padding: 12px 4px; }

.admin-message-unread { border-color: rgba(139,92,246,.4); }
.admin-message-body { margin: 10px 0 0; color: var(--text-2); font-size: 13px; line-height: 1.5; max-width: 60ch; }