/* base.css — dual theme
   Light mode by default · [data-theme="dark"] for dark
   Used by: a-propos · services · contact · portfolio · projets
   ─────────────────────────────────────────────────────────── */

/* ── LIGHT (default) ── */
:root {
  --accent:    #2558ff;
  --accent-bg: rgba(37,88,255,.08);
  --bg:        #f7f6f3;
  --surface:   rgba(0,0,0,.03);
  --surface-2: rgba(0,0,0,.055);
  --text:      #0c0c0b;
  --muted:     rgba(12,12,11,.44);
  --subtle:    rgba(12,12,11,.14);
  --border:    rgba(12,12,11,.08);
  --border-2:  rgba(12,12,11,.14);
  --blue:      #2558ff;
  --nav-bg:    rgba(247,246,243,.9);
  --input-bg:  rgba(0,0,0,.03);
  --logo-filter: invert(0);
}

/* ── DARK override ── */
[data-theme="dark"] {
  --bg:        #080808;
  --surface:   rgba(255,255,255,.03);
  --surface-2: rgba(255,255,255,.06);
  --text:      #eeecea;
  --muted:     rgba(238,236,234,.38);
  --subtle:    rgba(238,236,234,.14);
  --border:    rgba(238,236,234,.07);
  --border-2:  rgba(238,236,234,.13);
  --nav-bg:    rgba(8,8,8,.88);
  --input-bg:  rgba(255,255,255,.04);
  --logo-filter: invert(1);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'PPMori','DM Sans',-apple-system,sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .3s ease, color .3s ease;
}
html { font-size: 16px; }

/* ── CURSOR ── */
#cur      { mix-blend-mode: normal; background: var(--accent); }
#cur-ring { border-color: rgba(37,88,255,.28); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 1rem clamp(1.5rem,4vw,3.5rem);
  background: var(--nav-bg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1px solid var(--border);
  transition: background .3s ease, border-color .3s ease;
}
.nav-logo  { display: flex; align-items: center; color: var(--text); }
.logo-svg  { width: 44px; height: 44px; display: block; }
.nav-links {
  display: flex; justify-content: center; align-items: center;
  gap: 0; list-style: none;
}
.nav-links a {
  display: block;
  padding: .65rem 1.1rem;
  font-size: .78rem; letter-spacing: .04em;
  color: var(--muted);
  transition: color .2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: .3rem; left: 1.1rem; right: 1.1rem;
  width: auto !important; /* override main.css width:0 */
  height: 1px; background: var(--text);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s cubic-bezier(.16,1,.3,1);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1) !important; width: auto !important; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { transform: scaleX(1) !important; width: auto !important; background: var(--accent); }
.nav-right {
  display: flex; align-items: center; gap: .6rem;
}

/* ── LANG PILL ── */
.lang-pill {
  position: relative;
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border-2);
  border-radius: 20px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-pill-track {
  position: absolute;
  inset: 0 50% 0 0;       /* occupe exactement la moitié gauche */
  background: var(--text);
  transition: transform .32s cubic-bezier(.16,1,.3,1);
  pointer-events: none;
}
[data-lang="en"] .lang-pill-track {
  transform: translateX(100%);
}
.lang-pill-btn {
  position: relative;
  z-index: 1;
  flex: 1;
  background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: .58rem; letter-spacing: .13em;
  padding: .28rem .62rem; line-height: 1;
  color: var(--muted);
  transition: color .25s;
  -webkit-tap-highlight-color: transparent;
}
.lang-pill-btn[aria-pressed="true"] { color: var(--bg); }

/* ── THEME SWITCH ── */
.theme-switch {
  padding: 4px 0; border: none; background: transparent;
  cursor: pointer; flex-shrink: 0; display: flex; align-items: center;
}
.ts-track {
  width: 46px; height: 26px; border-radius: 13px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  position: relative;
  transition: background .28s, border-color .28s;
}
.theme-switch:hover .ts-track { border-color: var(--border-2); }
[data-theme="dark"] .ts-track {
  background: var(--accent);
  border-color: var(--accent);
}
.ts-thumb {
  position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  transition: transform .28s cubic-bezier(.16,1,.3,1);
  display: flex; align-items: center; justify-content: center;
  color: #555;
}
[data-theme="dark"] .ts-thumb { transform: translateX(20px); }
.ts-sun, .ts-moon {
  position: absolute; width: 10px; height: 10px;
  transition: opacity .18s, transform .18s;
}
.ts-sun  { opacity: 1; transform: scale(1)   rotate(0deg); }
.ts-moon { opacity: 0; transform: scale(.55) rotate(-30deg); }
[data-theme="dark"] .ts-sun  { opacity: 0; transform: scale(.55) rotate(30deg); }
[data-theme="dark"] .ts-moon { opacity: 1; transform: scale(1)   rotate(0deg); }

/* ── BURGER ── */
.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.burger span { display: block; width: 22px; height: 1px; background: var(--text); transition: .3s; }
.burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── FOOTER ── */
footer {
  padding: 2.5rem clamp(1.5rem,4vw,3.5rem) 2rem;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 1.8rem; margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap; gap: 1.5rem;
}
.footer-logo            { display: flex; align-items: center; color: var(--text); }
.footer-logo .logo-svg  { width: 28px; height: 28px; }
.footer-nav             { display: flex; flex-wrap: wrap; }
.footer-nav a           { padding: .25rem .85rem; font-size: .78rem; letter-spacing: .04em; color: var(--muted); transition: color .2s; }
.footer-nav a:hover     { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer-copy            { font-size: .72rem; color: var(--muted); }
.footer-legal           { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal a         { font-size: .72rem; color: var(--muted); transition: color .2s; }
.footer-legal a:hover   { color: var(--text); }
.footer-social          { display: flex; gap: 1.5rem; }
.footer-social a        { font-size: .72rem; color: var(--muted); transition: color .2s; }
.footer-social a:hover  { color: var(--text); }

/* ── BUTTONS ── */
.btn-blue {
  font-size: .74rem; letter-spacing: .07em;
  background: var(--accent); color: #fff;
  padding: .88rem 2.4rem; display: inline-block;
  transition: opacity .2s, transform .28s cubic-bezier(.16,1,.3,1);
}
.btn-blue:hover { opacity: .82; transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--border-2); padding: .88rem 2.4rem;
  color: var(--text); font-size: .74rem; letter-spacing: .07em;
  display: inline-block;
  transition: background .2s, color .2s, border-color .2s, transform .28s cubic-bezier(.16,1,.3,1);
}
.btn-outline:hover { background: var(--text); color: var(--bg); border-color: var(--text); transform: translateY(-2px); }

/* ── TYPOGRAPHY ── */
main { padding-top: 6rem; max-width: 1520px; margin: 0 auto; overflow-x: clip; }
h1 {
  font-family: 'PPTelegraf',sans-serif; font-weight: 900;
  font-size: clamp(3.2rem,7.5vw,8rem);
  line-height: .89; letter-spacing: -.038em; color: var(--text);
}
h1 em { font-style: normal; color: var(--accent); }
.page-label {
  font-size: .64rem; letter-spacing: .2em; color: var(--muted);
  text-transform: uppercase; display: flex; align-items: center;
  gap: .7rem; margin-bottom: 1.4rem;
}

/* ── PAGE HERO ── */
.page-hero {
  padding: 5.5rem clamp(1.5rem,4vw,3.5rem) 4.5rem;
  display: flex; justify-content: space-between;
  align-items: flex-end; gap: 2rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.hero-count { font-size: .82rem; color: var(--muted); }
.hero-sub   { max-width: 400px; color: var(--muted); font-size: .96rem; line-height: 1.78; }

/* ── REVEAL smooth ── */
.rv { transition-duration: .72s; transition-timing-function: cubic-bezier(.16,1,.3,1); }

/* ── CLIENT LOGO FILTER ── */
/* Logos are white SVGs/PNGs → invert to dark on light bg */
.clients-logos-track img { filter: var(--logo-filter) opacity(.2); }

/* ── MOBILE ── */
@media (max-width: 768px) {
  nav { display: flex; align-items: center; padding: 1rem 1.5rem; }
  .nav-logo  { order: 1; flex-shrink: 0; }
  .nav-right { order: 2; flex-shrink: 0; margin-left: .6rem; }
  .burger    { order: 3; display: flex; flex-shrink: 0; margin-left: auto; }
  .nav-links { display: none; }
  .page-hero { padding: 4rem 1.5rem 3rem; }
  footer                { padding: 2rem 1.5rem 1.5rem; }
  .footer-top           { flex-direction: column; align-items: flex-start; gap: 1.2rem; padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
  .footer-nav           { margin-left: -.85rem; }
  .footer-bottom        { flex-direction: column; align-items: flex-start; gap: .9rem; }
  .footer-legal         { gap: 1.2rem; }
}

/* ── PAGE CONTENT BLOCKS ── */
.page-content-blocks {
  padding: 4rem clamp(1.5rem,4vw,3.5rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  border-top: 1px solid var(--border);
}
.pcb-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  max-width: 72ch;
}
.pcb-heading {
  font-size: clamp(1.3rem,3vw,2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}
.pcb-heading-h2 { font-size: clamp(1.3rem,3vw,2rem); }
.pcb-heading-h3 { font-size: clamp(1.1rem,2.5vw,1.5rem); font-weight: 600; }
.pcb-heading-h4 { font-size: clamp(1rem,2vw,1.25rem); font-weight: 600; }
.pcb-heading-h5 { font-size: clamp(.9rem,1.8vw,1.05rem); font-weight: 600; letter-spacing: .01em; }
.pcb-heading-h6 { font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.pcb-list {
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  max-width: 72ch;
}
.pcb-list li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
}
.pcb-divider {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
}
.pcb-divider::before,
.pcb-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.pcb-divider:not(:has(.pcb-divider-label))::after { display: none; }
.pcb-divider:not(:has(.pcb-divider-label))::before { display: block; }
.pcb-divider-label {
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* reuse img-grid helpers from main.css if not already defined */
.page-content-blocks .img-full img { width: 100%; display: block; }
.page-content-blocks .img-grid-2,
.page-content-blocks .img-grid-3 {
  display: grid;
  gap: 1rem;
}
.page-content-blocks .img-grid-2 { grid-template-columns: 1fr 1fr; }
.page-content-blocks .img-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.page-content-blocks .img-grid-2 img,
.page-content-blocks .img-grid-3 img { width: 100%; display: block; }

@media (max-width: 768px) {
  .page-content-blocks .img-grid-2,
  .page-content-blocks .img-grid-3 { grid-template-columns: 1fr; }
}