/*
Theme Name: MEP-CI test
Description: Thème léger sur mesure pour MEP-CI, sans constructeur de pages.
Version: 1.2.0
Requires at least: 6.0
Text Domain: mepci
*/

/* MEP-CI — prototype stylesheet. No framework, no JS. */

:root {
  --bg: #f6f8fb;
  --bg-2: #ecf1f8;
  --panel: #ffffff;
  --line: rgba(11, 30, 60, 0.1);
  --line-strong: rgba(11, 30, 60, 0.2);
  --blue: #0b5cad;
  --blue-bright: #1268c4;
  --amber: #f7941d;
  --amber-bright: #ffad42;
  --amber-text: #d97a00;
  --text: #0b1e3c;
  --muted: #55647d;
  --light: #ffffff;
  --ink: #0b1e3c;
  --ink-muted: #55647d;
  --shadow: 0 18px 40px -28px rgba(11, 30, 60, 0.35);
  --radius: 14px;
  --wrap: 1180px;
  --display: "Exo 2", "Segoe UI", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.3rem, 5.6vw, 4.3rem); font-style: italic; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.2rem; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 0.75rem/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border: 2px solid var(--amber);
  border-radius: 50%;
}

.lead { font-size: clamp(1.02rem, 1.4vw, 1.18rem); color: var(--muted); max-width: 58ch; }
.section-head { max-width: 720px; margin-bottom: clamp(32px, 5vw, 56px); }
.blue { color: var(--blue-bright); }
.amber { color: var(--amber-text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font: 600 0.95rem/1 var(--display);
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--amber); color: #1a0f00; }
.btn-primary:hover { background: var(--amber-bright); box-shadow: 0 10px 34px -10px rgba(247, 148, 29, 0.7); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--blue-bright); box-shadow: 0 0 0 4px rgba(47, 140, 240, 0.12); }
.btn svg { width: 16px; height: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  --text: #e9eef5;
  --muted: #a3b1c6;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.2);
  background: #000;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.logo img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { font-size: 0.92rem; color: var(--muted); position: relative; padding: 6px 0; transition: color 0.2s; }
.nav a:not(.btn):hover,
.nav a[aria-current="page"] { color: #fff; }
.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}
.nav a:not(.btn):hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav .btn { padding: 11px 20px; font-size: 0.88rem; }
.nav-toggle, .burger { display: none; }

/* Hero */
.hero { padding: clamp(56px, 8vw, 110px) 0 clamp(64px, 8vw, 110px); overflow: hidden; }
.hero::before {
  /* blueprint grid */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 70% at 70% 40%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 70% 40%, #000 10%, transparent 75%);
  opacity: 0.7;
}
.hero::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  right: -120px;
  top: -80px;
  background: radial-gradient(circle, rgba(11, 92, 173, 0.16), transparent 65%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero h1 span { display: block; }
.hero .lead { margin: 22px 0 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 38px; padding: 0; list-style: none; }
.hero-tags li {
  font: 500 0.72rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.traces { width: 100%; height: auto; max-width: 520px; margin-inline: auto; }
.traces path, .traces circle { fill: none; stroke-width: 7; stroke-linecap: round; stroke-linejoin: round; }
.traces .t-blue { stroke: var(--blue-bright); }
/* white like the logo; the soft edge keeps it visible on the light background */
.traces .t-white { stroke: #fff; filter: drop-shadow(0 0 1px rgba(11, 30, 60, 0.55)) drop-shadow(0 2px 3px rgba(11, 30, 60, 0.18)); }
.traces .t-amber { stroke: var(--amber); }
.traces .thin { stroke-width: 1.5; stroke: var(--line-strong); stroke-dasharray: 4 6; }
.traces text { font: 500 11px var(--mono); letter-spacing: 0.14em; fill: var(--muted); }
.traces path.draw { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 2.2s cubic-bezier(0.6, 0, 0.2, 1) forwards; }
.traces path.draw.d2 { animation-delay: 0.35s; }
.traces path.draw.d3 { animation-delay: 0.7s; }
.traces .node { opacity: 0; animation: pop 0.5s ease-out forwards; animation-delay: 1.9s; }
.traces .pulse { stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center; animation: pulse 3s ease-out infinite 2.4s; }

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0% { opacity: 0.7; transform: scale(1); } 100% { opacity: 0; transform: scale(2.6); } }

/* Stats */
.stats { padding: 0; }
.stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.stat { padding: 30px 28px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font: 700 italic clamp(2rem, 4vw, 3rem)/1 var(--display); color: var(--text); }
.stat b i { color: var(--amber); font-style: inherit; }
.stat span { display: block; margin-top: 8px; font-size: 0.88rem; color: var(--muted); }

/* Cards */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative;
  padding: 30px 28px 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.card::before {
  /* corner trace */
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 64px;
  height: 64px;
  border-top: 2px solid var(--blue-bright);
  border-right: 2px solid var(--blue-bright);
  border-top-right-radius: var(--radius);
  opacity: 0.35;
  transition: opacity 0.25s, width 0.25s, height 0.25s, border-color 0.25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(18, 104, 196, 0.5); box-shadow: 0 26px 50px -26px rgba(11, 92, 173, 0.5); }
.card:hover::before { opacity: 1; width: 96px; height: 96px; border-color: var(--amber); }
.card .icon { width: 44px; height: 44px; margin-bottom: 20px; stroke: var(--blue-bright); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card p { color: var(--muted); font-size: 0.95rem; margin: 0; }
.card .more { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font: 600 0.85rem var(--display); color: var(--amber-text); }
.card .more::after { content: "→"; transition: transform 0.2s; }
.card:hover .more::after { transform: translateX(4px); }
.card .num { position: absolute; left: 28px; bottom: 22px; font: 500 0.7rem var(--mono); letter-spacing: 0.14em; color: rgba(255, 255, 255, 0.22); }

/* Process */
.process { background: var(--bg-2); border-block: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; counter-reset: step; }
.steps::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 14px;
  right: 14px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-bright), var(--ink) 50%, var(--amber));
  border-radius: 3px;
}
.step { padding: 0 28px 0 0; position: relative; counter-increment: step; }
.step::before {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 4px solid var(--blue-bright);
  background: var(--bg-2);
  position: relative;
  margin-bottom: 26px;
}
.step:nth-child(2)::before { border-color: var(--ink); }
.step:nth-child(3)::before { border-color: var(--amber); }
.step h3::before { content: "0" counter(step) " — "; font: 500 0.8rem var(--mono); color: var(--muted); letter-spacing: 0.1em; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* Light band */
.light { background: var(--light); color: var(--ink); }
.light .lead, .light p { color: var(--ink-muted); }
.light .eyebrow { color: var(--blue); }
.why { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.why-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.why-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 22px 24px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.why-list li:hover { border-color: var(--blue); box-shadow: 0 18px 40px -26px rgba(11, 92, 173, 0.5); }
.why-list b { display: block; font: 700 1.05rem var(--display); color: var(--ink); margin-bottom: 4px; }
.why-list p { margin: 0; font-size: 0.94rem; }
.why-list .ring { width: 44px; height: 44px; border-radius: 50%; border: 3px solid var(--blue); display: grid; place-items: center; font: 600 0.8rem var(--mono); color: var(--blue); }
.why-list li:nth-child(even) .ring { border-color: var(--amber); color: #b86200; }

/* Projects */
.project {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(180deg, transparent 40%, rgba(5, 7, 11, 0.92)),
    repeating-linear-gradient(135deg, rgba(120, 180, 255, 0.14) 0 2px, transparent 2px 22px),
    #12325c;
  color: #fff;
  display: flex;
  align-items: flex-end;
  padding: 22px;
  transition: border-color 0.25s, transform 0.25s;
}
.project:hover { border-color: var(--amber); transform: translateY(-4px); }
.project small { display: block; font: 500 0.7rem var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber-bright); margin-bottom: 6px; }
.project b { font: 700 1.1rem var(--display); }
.project img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project.has-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(5, 7, 11, 0.9)); }
.project > div { position: relative; z-index: 1; }
.project .ph { position: absolute; top: 18px; right: 18px; font: 500 0.66rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: #dbe6f5; border: 1px dashed rgba(255, 255, 255, 0.4); padding: 6px 10px; border-radius: 999px; }

/* Contact */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 6vw, 72px); }
.contact-list { list-style: none; padding: 0; margin: 30px 0; display: grid; gap: 16px; }
.contact-list li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.contact-list span { font: 500 0.72rem var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding-top: 4px; }
.contact-list a:hover { color: var(--blue); }
.btn-wa { background: #1faa53; color: #fff; }
.btn-wa:hover { background: #25c460; }

form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: clamp(22px, 3vw, 36px); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
form .full { grid-column: 1 / -1; }
label { display: grid; gap: 8px; font-size: 0.82rem; color: var(--muted); }
input, select, textarea {
  width: 100%;
  padding: 13px 14px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue-bright); box-shadow: 0 0 0 4px rgba(47, 140, 240, 0.15); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* Footer */
.site-footer {
  --text: #e9eef5;
  --muted: #a3b1c6;
  --line: rgba(255, 255, 255, 0.1);
  padding: 56px 0 28px;
  background: #000;
  color: var(--text);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer img { height: 54px; width: auto; margin-bottom: 16px; }
.site-footer p, .site-footer li { color: var(--muted); font-size: 0.9rem; }
.site-footer h3 { font: 500 0.72rem var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a:hover { color: var(--amber); }
.copyright { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.8rem; color: var(--muted); }

/* Inner pages */
.page-hero { padding: clamp(56px, 7vw, 96px) 0 clamp(40px, 5vw, 64px); overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent 30%, #000);
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000);
  opacity: 0.6;
}
.page-hero .wrap { position: relative; }
.crumbs { font: 500 0.72rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 22px; }
.crumbs a:hover { color: var(--blue); }
.service-list { display: grid; gap: 0; }
.service-row { display: grid; grid-template-columns: 90px 0.8fr 1.2fr; gap: 28px; padding: 34px 0; border-bottom: 1px solid var(--line); align-items: start; transition: background 0.2s; }
.service-row .idx { font: 700 italic 2rem/1 var(--display); color: var(--blue-bright); }
.service-row:nth-child(3n) .idx { color: var(--amber-text); }
.service-row h2 { font-size: 1.45rem; margin: 0; }
.service-row p { color: var(--muted); margin: 0; }
.cta-band { text-align: center; background: radial-gradient(ellipse 60% 100% at 50% 100%, rgba(11, 92, 173, 0.16), transparent 70%), var(--bg-2); border-top: 1px solid var(--line); }
.cta-band .lead { margin: 0 auto 30px; }

/* Scroll reveal — progressive enhancement, no JS */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 38%; }
    @keyframes rise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .traces path.draw { stroke-dashoffset: 0; }
  .traces .node { opacity: 1; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero .wrap, .why, .contact { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .traces { max-width: 300px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 60px 1fr; }
  .service-row p { grid-column: 2; }

  .burger { display: grid; gap: 5px; padding: 12px; cursor: pointer; }
  .burger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 20px;
    background: #000;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 16px; justify-content: center; }
  .nav-toggle:checked ~ .nav { display: flex; }
  .nav-toggle:checked + .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked + .burger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked + .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 620px) {
  .grid-3, .grid-2, .steps, .footer-grid, form { grid-template-columns: 1fr; }
  .steps { gap: 28px; }
  .steps::before { top: 14px; bottom: 60px; left: 12px; right: auto; width: 3px; height: auto; background: linear-gradient(180deg, var(--blue-bright), var(--ink) 50%, var(--amber)); }
  .step { padding: 0 0 0 48px; }
  .step::before { position: absolute; left: 0; top: 0; margin: 0; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .logo img { height: 38px; }
  .stat { padding: 22px 18px; }
}

/* Numbered cards and long text on inner pages */
.card .k { display: block; font: 500 0.72rem var(--mono); letter-spacing: 0.14em; color: var(--amber-text); margin-bottom: 14px; }
.card h3 { margin-bottom: 0.4em; }
.prose { font-size: 1.08rem; max-width: 62ch; }
.prose p { color: var(--muted); }
.stats-top { padding-top: clamp(40px, 6vw, 72px); }

/* WordPress-only rules */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
.hp { position: absolute; left: -9999px; }
.form-note { grid-column: 1 / -1; padding: 14px 18px; border-radius: 10px; margin: 0 0 16px; font-weight: 600; }
.form-note.ok { background: #e7f6ec; color: #14622f; }
.form-note.err { background: #fdecea; color: #a12a1e; }

/* Language switcher */
.nav { gap: 22px; }
.lang { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line-strong); border-radius: 999px; }
.nav .lang a { font: 500 0.72rem/1 var(--mono); letter-spacing: 0.04em; padding: 7px 10px; border-radius: 999px; color: var(--muted); }
.nav .lang a::after { display: none; }
.nav .lang a:hover { color: #fff; }
.nav .lang a[aria-current] { background: #fff; color: #000; }
@media (min-width: 961px) and (max-width: 1180px) {
  .nav { gap: 14px; }
  .nav a:not(.btn) { font-size: 0.85rem; }
  .nav .btn { padding: 10px 14px; }
}
@media (max-width: 960px) {
  .lang { align-self: flex-start; margin-top: 16px; }
  .nav .lang a { padding: 9px 14px; border-bottom: 0; font-size: 0.8rem; }
}

/* Chinese: system CJK fonts, and no slanted headings (CJK has no true italic) */
html[lang^="zh"] body { font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; }
html[lang^="zh"] h1, html[lang^="zh"] h2, html[lang^="zh"] h3, html[lang^="zh"] .btn { font-family: "Exo 2", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; }
html[lang^="zh"] h1 { font-style: normal; }
html[lang^="zh"] .eyebrow, html[lang^="zh"] .hero-tags li, html[lang^="zh"] .crumbs { letter-spacing: 0.08em; }