/* ==========================================================================
   PILOSTONE — Design system
   Brand: navy + blue gradient (from logo), Montserrat display / Lato text.
   Pattern (ui-ux-pro-max): Trust & Authority + Conversion, accessible-first.
   ========================================================================== */

:root {
  /* Brand */
  --blue-300: #7DB8EC;
  --blue-400: #4A90D9;          /* banner tagline blue */
  --blue-500: #0098DD;          /* logo gradient start */
  --blue-600: #0072BC;          /* CTA — white text 5.0:1 */
  --blue-700: #004C8C;          /* logo gradient end */
  --grad-brand: linear-gradient(135deg, var(--blue-500), var(--blue-700));

  /* Surfaces (dark dominant) */
  --navy-950: #0A1426;
  --navy-900: #0F1D33;          /* banner background */
  --navy-850: #132440;
  --navy-800: #182C4D;
  --navy-700: #22396150;
  --paper:    #EEF3F9;          /* light band */
  --paper-ink:#0F1D33;

  /* Text */
  --text:       #F4F7FB;
  --text-muted: #A3B5CE;        /* 8.1:1 on navy-900 */
  --text-dim:   #7C90AE;        /* 4.9:1 on navy-900 — labels only */

  /* Lines */
  --line:        rgba(125, 170, 230, 0.14);
  --line-strong: rgba(125, 170, 230, 0.28);

  /* Type */
  --font-display: "Montserrat", system-ui, sans-serif;
  --font-body: "Lato", system-ui, sans-serif;

  /* Spacing (spacious density) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;
  --space-8: 9rem;

  --container: 1320px;
  --gutter: clamp(1rem, 4vw, 3rem);
  --radius: 4px;
  --header-h: 84px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 220ms;

  /* Theme-dependent extras */
  --header-scrolled: rgba(10, 20, 38, 0.88);
  --card-bg: linear-gradient(180deg, rgba(24,44,77,0.55), rgba(15,29,51,0.3));
  --error: #FF9B9B;
  --error-line: #FF7A7A;
  color-scheme: dark;
}

/* ---------- Light theme (toggle in header, stored in localStorage) ----------
   Same token names: surfaces become pale blue-greys, text becomes navy,
   accent blue darkened so it keeps ≥ 4.5:1 contrast on the light surfaces. */
:root[data-theme="light"] {
  --blue-400: #0063A6;          /* 5.6:1 on #F5F8FC */
  --navy-950: #E8EEF6;          /* deep bands, footer */
  --navy-900: #F5F8FC;          /* page background */
  --navy-850: #FFFFFF;          /* inputs */
  --navy-800: #DCE6F2;
  --text:       #0F1D33;
  --text-muted: #3D4F69;        /* 8.3:1 */
  --text-dim:   #566881;        /* 5.3:1 */
  --line:        rgba(15, 45, 90, 0.12);
  --line-strong: rgba(15, 45, 90, 0.24);
  --header-scrolled: rgba(245, 248, 252, 0.9);
  --card-bg: linear-gradient(180deg, #FFFFFF, rgba(255,255,255,0.6));
  --error: #B42318;
  --error-line: #D92D20;
  color-scheme: light;
}
:root[data-theme="light"] .hero-mark { opacity: 0.1; }
:root[data-theme="light"] .hero-glow { background: radial-gradient(circle, rgba(0,152,221,0.14), transparent 62%); }
:root[data-theme="light"] .hero-plan { opacity: 0.4; }
:root[data-theme="light"] .media .media-mark { opacity: 0.16; }
:root[data-theme="light"] .footer-word { background-image: linear-gradient(180deg, rgba(0,99,166,0.18), rgba(0,99,166,0)); }

/* Simplified Chinese: CJK glyphs come from the system fonts every Chinese device has
   (PingFang SC on Apple, Microsoft YaHei on Windows, Noto/Source Han on Android/Linux); uppercase and
   wide tracking make no sense for Hanzi, and tight leading clips them. */
:lang(zh-Hans) { --font-display: "Montserrat", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif; --font-body: "Lato", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif; }
:lang(zh-Hans) .display, :lang(zh-Hans) .h-xl, :lang(zh-Hans) .h-lg { line-height: 1.2; letter-spacing: 0.02em; }
:lang(zh-Hans) .display { font-size: clamp(2.5rem, 7vw, 6.5rem); }
:lang(zh-Hans) body, :lang(zh-Hans) .lead { line-height: 1.8; }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy-900);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 800; line-height: 1; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 1000;
  background: var(--blue-600); color: #fff; padding: 0.75rem 1.25rem; font-weight: 700;
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--space-7); position: relative; }
.section--tight { padding-block: var(--space-6); }
.section--paper { background: var(--paper); color: var(--paper-ink); }
.section--deep { background: var(--navy-950); }
.section--line { border-top: 1px solid var(--line); }

/* Blueprint grid background (from banner) */
.blueprint {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 124px, 20% 100%;
}

/* ---------- Typography ---------- */
.display {
  font-size: clamp(2.75rem, 8.2vw, 7.75rem);
  text-transform: uppercase;
  line-height: 0.92;
  text-wrap: balance;
}
.h-xl { font-size: clamp(2.25rem, 5.6vw, 5rem); text-transform: uppercase; line-height: 0.95; text-wrap: balance; }
.h-lg { font-size: clamp(1.75rem, 3.6vw, 3rem); text-transform: uppercase; line-height: 1; text-wrap: balance; }
.h-md { font-size: clamp(1.25rem, 2vw, 1.625rem); text-transform: uppercase; line-height: 1.1; }
.lead { font-size: clamp(1.125rem, 1.6vw, 1.375rem); color: var(--text-muted); max-width: 46ch; line-height: 1.55; }
.section--paper .lead { color: #3D4F69; }
.muted { color: var(--text-muted); }
.accent { color: var(--blue-400); }
.grad-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section--paper .accent { color: var(--blue-600); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-body); font-weight: 700; font-size: 0.8125rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--blue-400);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--grad-brand); }
.section--paper .eyebrow { color: var(--blue-600); }

.index-tag {
  font-family: var(--font-body); font-weight: 700; font-size: 0.8125rem;
  letter-spacing: 0.18em; color: var(--text-dim);
}

.rule { height: 3px; width: 100%; max-width: 520px; background: linear-gradient(90deg, #2B63E0, rgba(43,99,224,0)); border: 0; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--blue-600);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
  min-height: 52px; padding: 0.9rem 1.6rem;
  font-family: var(--font-display); font-weight: 700; font-size: 0.875rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--btn-bg); color: #fff; border: 1px solid transparent; border-radius: var(--radius);
  transition: background var(--dur) var(--ease-out), border-color var(--dur), transform var(--dur) var(--ease-out);
  cursor: pointer;
}
.btn:hover { --btn-bg: #0063A6; }
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; transition: transform var(--dur) var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn--ghost { background: transparent; border-color: var(--line-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--blue-400); background: rgba(74,144,217,0.08); }
.section--paper .btn--ghost { border-color: rgba(15,29,51,0.25); color: var(--paper-ink); }
.btn--light { background: #fff; color: var(--navy-900); }
.btn--light:hover { background: var(--paper); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-weight: 700; font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-400); padding-block: 0.5rem;
}
.link-arrow svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(4px); }
.section--paper .link-arrow { color: var(--blue-600); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  transition: background var(--dur), border-color var(--dur), height var(--dur);
  border-bottom: 1px solid transparent;
}
/* Background + blur live on a pseudo-element: a backdrop-filter on the header
   itself would become the containing block of the fixed mobile menu (.nav),
   squeezing the full-screen menu into the 72px header once the page is scrolled. */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: transparent; transition: background var(--dur);
}
.site-header.is-scrolled { border-bottom-color: var(--line); height: 72px; }
.site-header.is-scrolled::before {
  background: var(--header-scrolled); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
/* While the mobile menu is open the header bar stays opaque above it */
body.menu-open .site-header::before { background: var(--navy-950); backdrop-filter: none; -webkit-backdrop-filter: none; }
/* The header uses the full width (not the 1320px content column) so brand,
   nav, language switch, icons and CTA fit side by side on wide screens. */
.site-header .container { max-width: none; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: 0.8rem; flex-shrink: 0; }
.brand img { width: 34px; height: auto; }
.brand span { font-family: var(--font-display); font-weight: 800; font-size: 1.375rem; letter-spacing: 0.02em; }

.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav ul { display: flex; gap: var(--space-3); }
.nav a.nav-link {
  position: relative; font-family: var(--font-display); font-weight: 600; font-size: 0.8125rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); padding-block: 0.75rem;
  transition: color var(--dur);
}
.nav a.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.35rem; height: 2px;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease-out);
}
.nav a.nav-link:hover, .nav a.nav-link[aria-current="page"] { color: var(--text); }
.nav a.nav-link:hover::after, .nav a.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.lang-switch {
  display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden;
}
/* Language links (one URL per language: /, /en/, /zh/) */
.lang-switch a {
  min-width: 44px; min-height: 40px; display: inline-grid; place-items: center; padding: 0 0.5rem;
  font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.1em;
  color: var(--text-muted); transition: background var(--dur), color var(--dur);
}
.lang-switch a[aria-current="true"] { background: var(--blue-600); color: #fff; }
.lang-switch a:not([aria-current="true"]):hover { color: var(--text); }
/* "简中" in a system CJK font (same stack as the Chinese pages) */
.lang-switch a[lang="zh-Hans"] { letter-spacing: 0; font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif; }
.header-cta { min-height: 44px; padding: 0.65rem 1.1rem; font-size: 0.75rem; }

/* Icon buttons (LinkedIn, theme) — same frame as the language switch */
.icon-btn {
  width: 42px; height: 42px; display: inline-grid; place-items: center; flex-shrink: 0;
  border: 1px solid var(--line-strong); border-radius: var(--radius); color: var(--text-muted);
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { color: var(--text); border-color: var(--blue-400); background: rgba(74,144,217,0.08); }
.header-linkedin:hover { color: #fff; background: #0A66C2; border-color: #0A66C2; }

.btn--linkedin svg { width: 18px; height: 18px; }
.btn--linkedin:hover { background: #0A66C2; border-color: #0A66C2; color: #fff; }
.btn--linkedin:hover svg { transform: none; }

/* Mobile menu extras (language + LinkedIn), only inside the burger menu */
.nav-mobile-extras { display: none; }

.nav a.nav-link, .header-cta { white-space: nowrap; }
/* Header gets crowded between the burger breakpoint and wide desktops:
   the CTA goes first (Contact stays in the nav). */
@media (max-width: 1679px) { .header-cta { display: none; } }

.menu-toggle { display: none; width: 48px; height: 48px; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 24px; height: 2px; background: var(--text); position: relative; transition: transform var(--dur), background var(--dur);
}
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -7px; }
.menu-toggle span::after { top: 7px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1120px) {
  .menu-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .nav {
    position: fixed; inset: 0; top: 0; z-index: -1; flex-direction: column; justify-content: center; align-items: flex-start;
    padding: calc(var(--header-h) + 1rem) var(--gutter) var(--space-5);
    background: var(--navy-950); opacity: 0; visibility: hidden; transition: opacity var(--dur), visibility var(--dur);
  }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav ul { flex-direction: column; gap: 0.25rem; }
  .nav a.nav-link { font-size: clamp(1.75rem, 7vw, 2.5rem); font-weight: 800; letter-spacing: 0; color: var(--text); }
  .nav a.nav-link::after { display: none; }
  .nav a.nav-link[aria-current="page"] { color: var(--blue-400); }
  .nav .nav-mobile-cta { display: inline-flex; margin-top: var(--space-4); }
}
@media (max-width: 600px) {
  .header-actions { gap: 0.5rem; }
  .header-lang, .header-linkedin { display: none; }
  .nav .nav-mobile-extras { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-3); }
}
.nav-mobile-cta { display: none; }
body.menu-open { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
  /* Height follows the content (no forced full screen), so the eyebrow sits
     just below the header instead of after a large empty band. */
  position: relative; display: flex; align-items: flex-end;
  padding-top: calc(var(--header-h) + var(--space-6)); padding-bottom: var(--space-6);
  overflow: hidden; isolation: isolate;
}
.hero::after { /* left accent bar, as in banner */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--blue-400); z-index: 2;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg .blueprint { position: absolute; inset: 0; }
.hero-mark {
  position: absolute; right: -6%; top: 8%; width: min(62vw, 860px); opacity: 0.09; filter: saturate(0.8);
}
.hero-plan { position: absolute; right: 4%; bottom: 12%; width: min(40vw, 580px); opacity: 0.32; }
.hero-plan path, .hero-plan rect, .hero-plan line { stroke: var(--blue-400); stroke-width: 1.5; fill: none; vector-effect: non-scaling-stroke; }
.hero-plan .draw { stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 3.2s var(--ease-out) forwards; }
.hero-plan .draw.d2 { animation-delay: 0.5s; }
.hero-plan .draw.d3 { animation-delay: 1s; }
.hero-plan .dim { stroke: var(--text-dim); stroke-dasharray: 4 6; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.hero-glow {
  position: absolute; width: 900px; height: 900px; right: -200px; top: -250px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,152,221,0.22), transparent 62%);
}
/* 3D monogram (assets/js/hero-3d.js) — desktop only; the flat .hero-mark
   stays visible until the model is ready, then the two cross-fade. */
.hero-3d {
  /* right side; `top` is set by hero-3d.js so the "P" lines up with the eyebrow */
  position: absolute; right: 1.5%; top: calc(var(--header-h) + 12vh);
  height: min(38vh, 400px); aspect-ratio: 1 / 1.1;
  opacity: 0; transition: opacity 1.2s var(--ease-out);
}
.hero-3d canvas { width: 100% !important; height: 100% !important; display: block; }
.hero-mark { transition: opacity 1.2s var(--ease-out); }
.hero.has-3d .hero-3d { opacity: 1; }
.hero.has-3d .hero-mark { opacity: 0; }
.hero.has-3d .hero-plan { opacity: 0.16; }
@media (max-width: 1200px) { .hero.has-3d .hero-3d { opacity: 0.45; } }
@media (max-width: 760px) { .hero-3d { display: none; } }
.hero-inner { position: relative; width: 100%; }
.hero h1 { margin-block: var(--space-3) var(--space-4); max-width: 13ch; }
.hero-bottom { display: grid; grid-template-columns: 1fr auto; gap: var(--space-4); align-items: end; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.hero-scroll {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim);
}
.hero-scroll i { display: block; width: 1px; height: 64px; background: linear-gradient(var(--blue-400), transparent); animation: scrollcue 2s ease-in-out infinite; transform-origin: top; }
@keyframes scrollcue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

@media (max-width: 760px) {
  .hero-bottom { grid-template-columns: 1fr; }
  .hero-scroll { display: none; }
  .hero-plan { width: 90vw; right: -20%; bottom: auto; top: 16%; opacity: 0.3; }
}

/* Page hero (inner pages) */
.page-hero { position: relative; padding-top: calc(var(--header-h) + var(--space-7)); padding-bottom: var(--space-6); overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line); }
.page-hero .blueprint { position: absolute; inset: 0; z-index: -1; }
.page-hero .hero-mark { top: -10%; width: min(48vw, 620px); }
.page-hero h1 { margin-top: var(--space-3); }
.page-hero .lead { margin-top: var(--space-3); }

/* ---------- Statement ---------- */
.statement { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-5); align-items: end; }
@media (max-width: 900px) { .statement { grid-template-columns: 1fr; } }

/* ---------- Client marquee ---------- */
.clients { padding-block: var(--space-5); border-block: 1px solid var(--line); }
.clients-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: var(--space-4); flex-wrap: wrap; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: var(--space-6); width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track, .marquee.is-paused .marquee-track, .marquee:focus-within .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.client-logo {
  display: flex; align-items: center; gap: 0.6rem; height: 56px; white-space: nowrap;
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.12em; color: var(--text-dim);
}
.client-logo svg { width: 28px; height: 28px; opacity: 0.7; }
.marquee-toggle {
  min-height: 44px; padding: 0 1rem; border: 1px solid var(--line-strong); border-radius: var(--radius);
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted);
}
.marquee-toggle:hover { color: var(--text); border-color: var(--blue-400); }

/* ---------- Pillars (Planning / Execution …) ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin-top: var(--space-5); }
.pillar { padding: var(--space-4) var(--space-3) var(--space-4) 0; border-right: 1px solid var(--line); }
.pillar + .pillar { padding-left: var(--space-3); }
.pillar:last-child { border-right: 0; }
.pillar-icon { width: 44px; height: 44px; color: var(--blue-400); margin-bottom: var(--space-3); }
.pillar h3 { font-size: 1.25rem; text-transform: uppercase; margin-bottom: 0.75rem; }
.pillar p { color: var(--text-muted); font-size: 1rem; }
@media (max-width: 900px) {
  .pillars { grid-template-columns: 1fr 1fr; }
  .pillar:nth-child(2) { border-right: 0; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pillar:nth-child(3) { padding-left: 0; }
}
@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { border-right: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .pillar:first-child { border-top: 0; }
}

/* ---------- Services list (numbered) ---------- */
.services-head { display: flex; justify-content: space-between; align-items: end; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-5); }
.service-row {
  display: grid; grid-template-columns: 160px 1.1fr 1.4fr 56px; gap: var(--space-4); align-items: center;
  padding-block: var(--space-4); border-top: 1px solid var(--line); position: relative;
  transition: background var(--dur);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-row::before {
  content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 100%;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform 500ms var(--ease-out);
}
.service-row:hover::before, .service-row:focus-within::before { transform: scaleX(1); }
.service-row h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); text-transform: uppercase; }
.service-row p { color: var(--text-muted); }
.service-row .arrow {
  width: 56px; height: 56px; border: 1px solid var(--line-strong); border-radius: 50%;
  display: grid; place-items: center; color: var(--blue-400); transition: background var(--dur), color var(--dur), border-color var(--dur);
}
.service-row .arrow svg { width: 20px; height: 20px; }
.service-row:hover .arrow { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.service-row a.stretched::after { content: ""; position: absolute; inset: 0; }
@media (max-width: 900px) {
  .service-row { grid-template-columns: 1fr 56px; gap: var(--space-2); }
  .service-row .index-tag { grid-column: 1 / -1; }
  .service-row p { grid-column: 1 / -1; grid-row: 3; }
}

/* ---------- Split / feature ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: center; }
.split--rev > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: var(--space-4); } .split--rev > :first-child { order: 0; } }

.stack > * + * { margin-top: var(--space-3); }

/* Image placeholders — replace with <img> when real photos are available */
.media {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 40px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 40px 100%,
    linear-gradient(160deg, var(--navy-800), var(--navy-950));
  border: 1px solid var(--line);
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.project-card[hidden] { display: none; }
.media--tall { aspect-ratio: 3 / 4; }
.media--wide { aspect-ratio: 16 / 9; }
.media-label {
  position: absolute; left: 1rem; bottom: 1rem; font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-dim); display: flex; align-items: center; gap: 0.5rem;
}
.media-label::before { content: ""; width: 8px; height: 8px; border: 1px solid var(--blue-400); }
.media .media-mark { position: absolute; right: -8%; top: 10%; width: 60%; opacity: 0.12; }
.media .media-plan { position: absolute; inset: 14% 12%; opacity: 0.5; }
.media .media-plan * { stroke: var(--blue-400); fill: none; stroke-width: 1.2; vector-effect: non-scaling-stroke; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.stat { padding: var(--space-5) var(--space-3) var(--space-4) 0; border-right: 1px solid var(--line); }
.stat + .stat { padding-left: var(--space-3); }
.stat:last-child { border-right: 0; }
.stat-value {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem, 6.5vw, 5.75rem); line-height: 1;
  display: flex; align-items: flex-start; gap: 0.1em; font-variant-numeric: tabular-nums;
}
.stat-value sup { font-size: 0.42em; color: var(--blue-400); margin-top: 0.15em; }
.stat-label { margin-top: var(--space-2); color: var(--text-muted); font-size: 0.9375rem; letter-spacing: 0.08em; text-transform: uppercase; }
@media (max-width: 900px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3) { padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- Projects ---------- */
.projects-head { display: flex; justify-content: space-between; align-items: end; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-5); }
.project-list { display: grid; gap: var(--space-5); }
.project-card {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-5); align-items: center; position: relative;
  padding-bottom: var(--space-5); border-bottom: 1px solid var(--line);
}
.project-card:nth-child(even) .media { order: 2; }
.project-card .media { transition: transform 600ms var(--ease-out); }
.project-card:hover .media { transform: scale(1.015); }
.project-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-size: 0.8125rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); }
.project-meta .sector { color: var(--blue-400); font-weight: 700; }
.project-card h3 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); text-transform: uppercase; margin-block: var(--space-2); }
.project-card p { color: var(--text-muted); max-width: 52ch; }
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block: var(--space-3); }
.tag {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.45rem 0.75rem; border: 1px solid var(--line-strong); border-radius: 2px; color: var(--text-muted);
}
.project-card a.stretched::after { content: ""; position: absolute; inset: 0; }
@media (max-width: 900px) {
  .project-card { grid-template-columns: 1fr; gap: var(--space-3); }
  .project-card:nth-child(even) .media { order: 0; }
}

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-5); }
.filter-btn {
  min-height: 44px; padding: 0 1.1rem; border: 1px solid var(--line-strong); border-radius: 2px;
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted);
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}
.filter-btn:hover { color: var(--text); border-color: var(--blue-400); }
.filter-btn[aria-pressed="true"] { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

/* Project detail */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.fact { padding: var(--space-3) var(--space-3) var(--space-3) 0; border-right: 1px solid var(--line); }
.fact + .fact { padding-left: var(--space-3); }
.fact:last-child { border-right: 0; }
.fact dt { font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); }
.fact dd { margin: 0.5rem 0 0; font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; }
@media (max-width: 760px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3) { padding-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.1em; }
.prose p { color: var(--text-muted); }
.check-list li { position: relative; padding-left: 2rem; color: var(--text-muted); }
.check-list li + li { margin-top: 0.75rem; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 0.45em; width: 14px; height: 8px;
  border-left: 2px solid var(--blue-400); border-bottom: 2px solid var(--blue-400); transform: rotate(-45deg);
}
.gallery { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-2); }
.gallery .media:first-child { grid-row: span 2; aspect-ratio: auto; min-height: 100%; }
.gallery--1 { grid-template-columns: 1fr; }
.gallery--1 .media:first-child { grid-row: auto; aspect-ratio: 16 / 9; min-height: 0; }
.gallery--2 .media:first-child { grid-row: auto; aspect-ratio: 4 / 3; min-height: 0; }
.gallery--4 .media:first-child { grid-row: span 3; }
@media (max-width: 760px) { .gallery { grid-template-columns: 1fr; } .gallery .media:first-child { grid-row: auto; aspect-ratio: 4/3; } }

/* 360° tour (Pannellum) */
.pano {
  position: relative; margin-top: var(--space-4); aspect-ratio: 16 / 9; max-height: 75vh; width: 100%;
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--navy-950);
}
.pano-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.55); }
.pano-start { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.pano-start:active { transform: translate(-50%, calc(-50% + 1px)); }
.pano.is-loading .pano-start { opacity: 0.6; pointer-events: none; }
.pano-error { position: absolute; left: 1rem; bottom: 1rem; color: var(--error); }
@media (max-width: 760px) { .pano { aspect-ratio: 4 / 3; } }

/* Anchored sections (#visite-360, #fondateur…) land below the fixed header */
section[id] { scroll-margin-top: calc(var(--header-h) - 1rem); }

/* Link to a 360° tour: photo + round "360°" badge */
.media--360 { display: block; }
.media--360 img { transition: transform 600ms var(--ease-out); }
.media--360:hover img { transform: scale(1.03); }
.badge-360 {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 96px; height: 96px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1.375rem; color: #fff;
  background: rgba(0, 114, 188, 0.85); border: 2px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 10px rgba(0, 114, 188, 0.25);
}

/* Chinese brand name 磐石 next to PILOSTONE, only in the Simplified Chinese version */
.brand-zh { display: none; }
html:lang(zh-Hans) .brand-zh {
  display: inline; font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif; font-weight: 700; font-size: 1.375rem;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
html:lang(zh-Hans) .brand { gap: 0.5rem; }

/* ---------- Process timeline ---------- */
.timeline { position: relative; margin-top: var(--space-5); }
.timeline .steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; }
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 2px; background: var(--line-strong);
}
.timeline .progress {
  position: absolute; left: 0; top: 23px; height: 2px; width: 100%; background: var(--grad-brand);
  transform: scaleX(0); transform-origin: left; transition: transform 1.6s var(--ease-out);
}
.timeline.is-visible .progress { transform: scaleX(1); }
.step { position: relative; padding-right: var(--space-3); }
.step-dot {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; position: relative; z-index: 1;
  background: var(--navy-900); border: 2px solid var(--blue-400);
  font-family: var(--font-display); font-weight: 800; font-size: 0.875rem; color: var(--blue-400);
}
.section--deep .step-dot { background: var(--navy-950); }
.step h3 { font-size: 1.0625rem; text-transform: uppercase; margin: var(--space-3) 0 0.6rem; line-height: 1.2; }
.step p { font-size: 0.9375rem; color: var(--text-muted); }
.step .deliverable { margin-top: 0.75rem; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }
@media (max-width: 1080px) {
  .timeline .steps { grid-template-columns: 1fr; gap: var(--space-4); }
  .timeline::before, .timeline .progress { left: 23px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .timeline .progress { transform: scaleY(0); transform-origin: top; }
  .timeline.is-visible .progress { transform: scaleY(1); }
  .step { display: grid; grid-template-columns: 48px 1fr; column-gap: var(--space-3); padding-right: 0; }
  .step h3 { margin-top: 0.6rem; }
  .step > :not(.step-dot) { grid-column: 2; }
  .step-dot { grid-row: span 3; }
}

/* ---------- Testimonials ---------- */
.testimonials { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-6); align-items: start; }
.quote-slider { position: relative; }
.quote { display: none; }
.quote.is-active { display: block; animation: fadeUp 500ms var(--ease-out); }
.quote blockquote {
  margin: 0; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.375rem, 2.4vw, 2rem); line-height: 1.35; color: var(--paper-ink);
}
.quote blockquote::before { content: "“"; display: block; font-size: 4.5rem; line-height: 0.6; color: var(--blue-600); margin-bottom: 1rem; }
.quote figcaption { margin-top: var(--space-4); display: flex; flex-direction: column; gap: 0.2rem; }
.quote figcaption strong { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.08em; }
.quote figcaption span { color: #4A5B74; }
.slider-controls { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-5); }
.slider-btn {
  width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(15,29,51,0.25); display: grid; place-items: center; color: var(--paper-ink);
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}
.slider-btn:hover { background: var(--paper-ink); color: #fff; border-color: var(--paper-ink); }
.slider-btn svg { width: 20px; height: 20px; }
.slider-count { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.14em; color: #4A5B74; margin-left: var(--space-2); }
@media (max-width: 900px) { .testimonials { grid-template-columns: 1fr; gap: var(--space-4); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- Cards (team, jobs, values) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  position: relative; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card-bg);
  transition: border-color var(--dur), transform var(--dur) var(--ease-out);
}
.card:hover { border-color: var(--line-strong); }
.card h3 { font-size: 1.25rem; text-transform: uppercase; margin-block: var(--space-2) 0.75rem; line-height: 1.15; }
.card p { color: var(--text-muted); font-size: 1rem; }

.team-card .media { aspect-ratio: 4 / 5; margin-bottom: var(--space-3); }
.team-card h3 { font-size: 1.25rem; text-transform: uppercase; }
.team-card .role { color: var(--blue-400); font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; margin-top: 0.4rem; }
.team-card p { color: var(--text-muted); font-size: 0.9375rem; margin-top: 0.75rem; }

.job {
  display: grid; grid-template-columns: 1fr auto auto; gap: var(--space-3); align-items: center;
  padding-block: var(--space-4); border-top: 1px solid var(--line); position: relative;
}
.job:last-child { border-bottom: 1px solid var(--line); }
.job h3 { font-size: clamp(1.25rem, 2.2vw, 1.75rem); text-transform: uppercase; }
.job .job-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.job:hover h3 { color: var(--blue-400); }
@media (max-width: 760px) { .job { grid-template-columns: 1fr; gap: var(--space-2); } }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; isolation: isolate; padding-block: var(--space-8); background: var(--navy-950); }
.cta-band .blueprint { position: absolute; inset: 0; z-index: -1; }
.cta-band .hero-mark { top: -20%; right: -10%; opacity: 0.08; }
.cta-band .cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }
.cta-band .lead { margin-top: var(--space-3); }

/* ---------- Forms ---------- */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.field label .req { color: var(--blue-400); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 52px; padding: 0.85rem 1rem; font: inherit; font-size: 1rem; color: var(--text);
  background: var(--navy-850); border: 1px solid var(--line-strong); border-radius: var(--radius);
  transition: border-color var(--dur), background var(--dur);
}
.field textarea { min-height: 160px; resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--blue-400) 50%), linear-gradient(135deg, var(--blue-400) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: rgba(125,170,230,0.45); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-400); background: var(--navy-800); box-shadow: 0 0 0 3px rgba(74,144,217,0.25); }
.field .hint { font-size: 0.875rem; color: var(--text-dim); }
.field .error { font-size: 0.875rem; color: var(--error); display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--error-line); }
.field.has-error .error { display: block; }
.checkbox { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.9375rem; color: var(--text-muted); }
.checkbox input { width: 22px; height: 22px; margin-top: 0.1rem; accent-color: var(--blue-600); flex-shrink: 0; }
.form-status { grid-column: 1 / -1; padding: 1rem 1.25rem; border-radius: var(--radius); display: none; }
.form-status.is-success { display: block; background: rgba(46,160,110,0.15); border: 1px solid rgba(46,160,110,0.5); }
.form-status.is-error { display: block; background: rgba(255,122,122,0.12); border: 1px solid rgba(255,122,122,0.5); }
@media (max-width: 700px) { .form { grid-template-columns: 1fr; } }

.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-6); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-item { padding-block: var(--space-3); border-top: 1px solid var(--line); }
.contact-item dt { font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); }
.contact-item dd { margin: 0.4rem 0 0; font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; }
.contact-item a:hover { color: var(--blue-400); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); border-top: 1px solid var(--line); padding-top: var(--space-7); overflow: hidden; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-5); padding-bottom: var(--space-6); }
.footer-top h2 { font-size: 0.8125rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); font-family: var(--font-body); font-weight: 700; margin-bottom: var(--space-3); }
.footer-top li + li { margin-top: 0.6rem; }
.footer-top li a, .footer-top li span { color: var(--text-muted); transition: color var(--dur); display: inline-block; padding-block: 0.15rem; }
.footer-top li a:hover { color: var(--text); }
.footer-brand p { color: var(--text-muted); margin-top: var(--space-3); max-width: 34ch; }
.footer-tagline { margin-top: var(--space-3); font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blue-400); font-weight: 700; }
.footer-word {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase; line-height: 0.8;
  font-size: clamp(3rem, 13.5vw, 14rem); letter-spacing: -0.02em; text-align: center; white-space: nowrap; overflow: hidden;
  background: linear-gradient(180deg, rgba(74,144,217,0.22), rgba(74,144,217,0)); -webkit-background-clip: text; background-clip: text; color: transparent;
  user-select: none; margin-bottom: -0.1em;
}
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-2); flex-wrap: wrap; padding-block: var(--space-3); border-top: 1px solid var(--line); font-size: 0.875rem; color: var(--text-dim); }
.footer-bottom a:hover { color: var(--text); }
.socials { display: flex; gap: 0.5rem; margin-top: var(--space-3); }
.socials a { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--text-muted); }
.socials a:hover { color: #fff; background: var(--blue-600); border-color: var(--blue-600); }
.socials svg { width: 18px; height: 18px; }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer-top { grid-template-columns: 1fr; } }

/* ---------- Reveal motion ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(16px); transition: opacity 450ms var(--ease-out), transform 450ms var(--ease-out); }
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 60ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 120ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 180ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 300ms; }
.no-js .reveal, .no-js .reveal-stagger > * { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
  .hero-plan .draw { stroke-dashoffset: 0; }
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .marquee-track [aria-hidden="true"] { display: none; }
}

/* Utilities */
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); } .mt-5 { margin-top: var(--space-5); } .mt-6 { margin-top: var(--space-6); }
.center { text-align: center; }
.max-60 { max-width: 60ch; }

/* Parcours du fondateur (stats) + bloc fondateur */
.mb-stats { display: flex; margin-bottom: var(--space-3); }
.founder .role { color: var(--blue-400); font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; }
.founder .media { aspect-ratio: 4 / 5; }

/* FAQ (page Déploiement multisite) */
.faq { border-top: 1px solid var(--line); max-width: 920px; }
.faq-item { border-bottom: 1px solid var(--line); padding: var(--space-3) 0; }
.faq-q { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: var(--space-3); font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; }
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after { content: "+"; color: var(--blue-400); font-size: 1.5rem; line-height: 1; flex: none; }
.faq-item[open] .faq-q::after { content: "−"; }
.faq-a { color: var(--text-muted); margin-top: 0.75rem; max-width: 70ch; }


/* Parcours du fondateur (À propos) */
.career { list-style: none; margin: var(--space-5) 0 0; padding: 0; border-top: 1px solid var(--line); }
.career-step { display: grid; grid-template-columns: 9rem minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--space-5); padding: var(--space-5) 0; border-bottom: 1px solid var(--line); align-items: start; }
.career-year { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; color: var(--blue-400); white-space: nowrap; }
.career-body h3 { font-size: clamp(1.5rem, 2.6vw, 2.25rem); text-transform: uppercase; }
.career-body .role { color: var(--blue-400); font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; margin-top: 0.4rem; }
.career-body > p.mt-3 { color: var(--text-muted); }
.career-photos { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.career-photos--single { grid-template-columns: 1fr; }
.career-photos figure { margin: 0; }
.career-photos figcaption { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.5rem; }
.career-note { font-size: 0.875rem; }
@media (max-width: 1000px) {
  .career-step { grid-template-columns: 1fr; gap: var(--space-3); }
}

/* Parcours (bandeau court, accueil) */
.career-strip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); }
.career-strip li { padding: var(--space-3) var(--space-3) var(--space-3) 0; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 0.35rem; }
.career-strip li + li { padding-left: var(--space-3); }
.career-strip li:last-child { border-right: 0; }
.cs-year { color: var(--blue-400); font-weight: 700; font-size: 0.8125rem; letter-spacing: 0.08em; }
.cs-name { font-family: var(--font-display); font-weight: 800; font-size: 1.125rem; text-transform: uppercase; }
.cs-role { color: var(--text-muted); font-size: 0.8125rem; }
@media (max-width: 1000px) {
  .career-strip { grid-template-columns: repeat(3, 1fr); }
  .career-strip li { border-bottom: 1px solid var(--line); }
  .career-strip li:nth-child(3n) { border-right: 0; }
  .career-strip li:nth-child(3n + 1) { padding-left: 0; }
}
@media (max-width: 560px) {
  .career-strip { grid-template-columns: repeat(2, 1fr); }
  .career-strip li:nth-child(3n) { border-right: 1px solid var(--line); }
  .career-strip li:nth-child(3n + 1) { padding-left: var(--space-3); }
  .career-strip li:nth-child(2n) { border-right: 0; }
  .career-strip li:nth-child(2n + 1) { padding-left: 0; }
}