/*
Theme Name: Les Trois Soeurs
Theme URI: https://lestroissoeurs.example
Author: Les Trois Sœurs
Description: Thème WordPress éditorial noir et blanc pour l'agence web Les Trois Sœurs. Bilingue FR/EN, mode clair/sombre, images aléatoires à l'encre, yeux animés, contenus entièrement modifiables via le Personnalisateur.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: lts
Tags: one-column, custom-colors, custom-logo, custom-menu, editor-style, translation-ready, full-width-template
*/

/* ---------------------------------------------
   Tokens — tout est modifiable dans Apparence > Personnaliser
   (les variables sont réécrites dynamiquement par functions.php)
--------------------------------------------- */
:root {
  --lts-font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --lts-font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --lts-radius: 18px;
  --lts-maxw: 1240px;
  --lts-ease: cubic-bezier(.22,.61,.36,1);
}

html[data-theme="dark"] {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --fg: #ffffff;
  --muted: #a1a1a1;
  --line: rgba(255,255,255,.14);
  --card: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  --invert-bg: #ffffff;
  --invert-fg: #000000;
}

html[data-theme="light"] {
  --bg: #f6f5f1;
  --bg-soft: #efeee8;
  --fg: #0b0b0b;
  --muted: #5c5c58;
  --line: rgba(0,0,0,.14);
  --card: linear-gradient(160deg, rgba(0,0,0,.035), rgba(0,0,0,.005));
  --invert-bg: #0b0b0b;
  --invert-fg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--lts-font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .4s var(--lts-ease), color .4s var(--lts-ease);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.lts-wrap { width: 100%; max-width: var(--lts-maxw); margin: 0 auto; padding: 0 28px; }

h1,h2,h3,h4 { font-family: var(--lts-font-display); font-weight: 800; letter-spacing: -.03em; line-height: 1.02; margin: 0; }
h2 { font-size: clamp(2.1rem, 5vw, 4rem); }
h3 { font-size: 1.4rem; letter-spacing: -.02em; }
p { margin: 0 0 1rem; }

.lts-eyebrow {
  font-size: .74rem; letter-spacing: .34em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 18px; font-weight: 500;
}
.lts-lead { color: var(--muted); font-size: 1.12rem; max-width: 62ch; }

/* ---------------- Header ---------------- */
.lts-header {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.lts-header-inner { display: flex; align-items: center; gap: 22px; height: 76px; }
.lts-brand { font-family: var(--lts-font-display); font-weight: 800; font-size: 1.18rem; letter-spacing: -.02em; }
.lts-nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.lts-nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.lts-nav a { color: var(--muted); font-size: .95rem; transition: color .25s; position: relative; }
.lts-nav a:hover { color: var(--fg); }
.lts-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: currentColor; transition: width .3s var(--lts-ease);
}
.lts-nav a:hover::after { width: 100%; }

.lts-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px; font-size: .95rem; font-weight: 500;
  border: 1px solid var(--line); background: transparent; color: var(--fg);
  cursor: pointer; transition: transform .3s var(--lts-ease), background .3s, color .3s, border-color .3s;
}
.lts-btn:hover { transform: translateY(-2px); border-color: var(--fg); }
.lts-btn--solid { background: var(--invert-bg); color: var(--invert-fg); border-color: transparent; }
.lts-btn--solid:hover { opacity: .88; }

.lts-icon-btn {
  width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center; background: transparent;
  color: var(--fg); cursor: pointer; font-size: .78rem; letter-spacing: .06em; transition: border-color .3s, transform .3s;
}
.lts-icon-btn:hover { border-color: var(--fg); transform: rotate(-6deg); }
.lts-lang { width: auto; padding: 0 14px; font-weight: 600; }

.lts-burger { display: none; }

/* ---------------- Hero ---------------- */
.lts-hero { padding: 90px 0 110px; position: relative; overflow: hidden; }
.lts-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.lts-hero-title {
  font-family: var(--lts-font-display);
  font-weight: 800; letter-spacing: -.05em; line-height: .86;
  font-size: clamp(3.4rem, 10vw, 8rem); text-transform: uppercase;
}
.lts-hero-title span { display: block; }
.lts-hero-sub { font-size: clamp(1.3rem, 2.4vw, 2rem); font-weight: 700; margin-top: 34px; font-family: var(--lts-font-display); letter-spacing: -.02em; }
.lts-hero-text { color: var(--muted); margin-top: 14px; max-width: 46ch; }
.lts-hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.lts-hero-note { color: var(--muted); font-size: .9rem; margin-top: 16px; }
.lts-hero-visual { display: flex; justify-content: center; }
.lts-hero-visual img { filter: drop-shadow(0 20px 40px rgba(0,0,0,.4)); }
html[data-theme="light"] .lts-hero-visual img.lts-inkimg { filter: invert(1) drop-shadow(0 12px 24px rgba(0,0,0,.15)); }

/* Animation encre */
.lts-ink { opacity: 0; transform: translateY(18px) scale(.985); filter: blur(6px); }
.lts-ink.is-in { animation: lts-ink-in 1.1s var(--lts-ease) forwards; }
@keyframes lts-ink-in {
  to { opacity: 1; transform: none; filter: blur(0); }
}

/* Yeux animés (SVG) */
.lts-eyes { width: 100%; max-width: 520px; }
.lts-eyes .lid { transform-box: fill-box; transform-origin: center; animation: lts-blink 6s infinite; }
.lts-eyes .stem { stroke-dasharray: 900; stroke-dashoffset: 900; animation: lts-draw 2.2s var(--lts-ease) forwards; }
.lts-eyes g:nth-child(2n) .lid { animation-delay: 1.4s; }
.lts-eyes g:nth-child(3n) .lid { animation-delay: 2.9s; }
.lts-eyes g { animation: lts-sway 7s ease-in-out infinite; transform-origin: bottom center; }
.lts-eyes g:nth-child(2n) { animation-delay: -2.3s; }
.lts-eyes g:nth-child(3n) { animation-delay: -4.1s; }
@keyframes lts-blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(.06); }
}
@keyframes lts-sway {
  0%,100% { transform: rotate(-1.1deg); }
  50% { transform: rotate(1.1deg); }
}
@keyframes lts-draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .lts-eyes .lid, .lts-eyes g, .lts-ink { animation: none !important; opacity: 1; filter: none; transform: none; }
}

/* ---------------- Sections ---------------- */
.lts-section { padding: 110px 0; border-top: 1px solid var(--line); }
.lts-section-head { max-width: 780px; margin-bottom: 64px; }

.lts-grid { display: grid; gap: 22px; }
.lts-grid--3 { grid-template-columns: repeat(3, 1fr); }
.lts-grid--2 { grid-template-columns: repeat(2, 1fr); }
.lts-grid--4 { grid-template-columns: repeat(4, 1fr); }

.lts-card {
  border: 1px solid var(--line); border-radius: var(--lts-radius);
  background-image: var(--card); padding: 34px;
  transition: transform .4s var(--lts-ease), border-color .4s;
}
.lts-card:hover { transform: translateY(-6px); border-color: color-mix(in oklab, var(--fg) 45%, transparent); }
.lts-card h3 { margin-bottom: 6px; }
.lts-card .role { font-style: italic; color: var(--muted); margin-bottom: 16px; }
.lts-card p { color: var(--muted); margin: 0; }
.lts-card .emoji { font-size: 1.9rem; margin-bottom: 18px; }

.lts-chip {
  width: 46px; height: 46px; border-radius: 999px; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.lts-chip svg { width: 20px; height: 20px; }

.lts-service { display: flex; align-items: center; gap: 18px; min-height: 118px; }
.lts-service .lts-chip { margin: 0; flex: none; }
.lts-service h3 { font-size: 1.25rem; }

.lts-step .num {
  font-family: var(--lts-font-display); font-size: 4.4rem; font-weight: 800;
  color: color-mix(in oklab, var(--fg) 16%, transparent); line-height: 1; margin-bottom: 18px;
}

.lts-verbs { display: flex; flex-wrap: wrap; gap: 12px; }
.lts-verb {
  border: 1px solid var(--line); border-radius: 999px; padding: 12px 22px;
  cursor: default; transition: background .3s, color .3s;
}
.lts-verb b { font-family: var(--lts-font-display); margin-right: 10px; }
.lts-verb span { color: var(--lts-accent, #7ee787); font-size: .88rem; }
.lts-verb:hover { background: var(--invert-bg); color: var(--invert-fg); }

.lts-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.lts-pill-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lts-pill {
  border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px;
  display: flex; align-items: center; gap: 14px; background-image: var(--card);
  transition: border-color .3s, transform .3s var(--lts-ease);
}
.lts-pill:hover { border-color: var(--fg); transform: translateX(4px); }

.lts-quote {
  border: 1px solid var(--line); border-radius: var(--lts-radius);
  padding: 56px; margin-top: 56px; background-image: var(--card);
}
.lts-quote h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 26px; }

.lts-center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------------- Contact ---------------- */
.lts-mail { margin: 22px 0 14px; }
.lts-mailto { display: inline-flex; align-items: center; gap: 10px; }
.lts-note { color: var(--muted); font-size: .95rem; max-width: 46ch; }


/* ---------------- Footer ---------------- */
.lts-footer { padding: 120px 0 60px; border-top: 1px solid var(--line); }
.lts-footer-title { font-size: clamp(2.4rem, 7vw, 5.4rem); font-weight: 800; letter-spacing: -.04em; line-height: .95; font-family: var(--lts-font-display); }
.lts-footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 80px; padding-top: 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.lts-footer-bottom strong { color: var(--fg); font-family: var(--lts-font-display); }

/* ---------------- Pages internes ---------------- */
.lts-page { padding: 80px 0 100px; }
.lts-page h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 24px; }
.lts-entry { max-width: 760px; }
.lts-entry a { text-decoration: underline; }

/* ---------------- Reveal ---------------- */
.lts-reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--lts-ease), transform .8s var(--lts-ease); }
.lts-reveal.is-in { opacity: 1; transform: none; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1024px) {
  .lts-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .lts-hero-grid { grid-template-columns: 1fr; }
  .lts-split { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 780px) {
  .lts-nav ul { display: none; }
  .lts-nav.is-open ul {
    display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 26px; gap: 18px;
  }
  .lts-burger { display: inline-flex; }
  .lts-grid--3, .lts-grid--2, .lts-grid--4, .lts-pill-grid { grid-template-columns: 1fr; }
  .lts-section { padding: 76px 0; }
  .lts-quote { padding: 32px; }
  .lts-footer-bottom { flex-direction: column; }
}

/* Fallback si JavaScript est désactivé */
html:not([data-theme]) {
  --bg:#000; --bg-soft:#0a0a0a; --fg:#fff; --muted:#a1a1a1;
  --line:rgba(255,255,255,.14);
  --card:linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  --invert-bg:#fff; --invert-fg:#000;
}
.screen-reader-text {
  position:absolute !important; width:1px; height:1px; overflow:hidden;
  clip:rect(1px,1px,1px,1px); white-space:nowrap;
}
.lts-nav ul li { list-style:none; }

/* Les boutons dans la navigation gardent leurs propres couleurs */
.lts-nav a.lts-btn { color: var(--fg); }
.lts-nav a.lts-btn--solid { color: var(--invert-fg); }
.lts-nav a.lts-btn::after, .lts-nav a.lts-icon-btn::after { display: none; }
.lts-nav a.lts-icon-btn { color: var(--fg); }