/* ============================================================
   XpertVisio — styles des pages additionnelles
   (charger APRÈS xpertvisio.css)
   eco, pipeline IA, ROI, à-propos, comparatif, cas d'usage
   ============================================================ */

/* ---------- Dropdown nav ---------- */
.nav-item { position: relative; }
.nav-item > a { display: inline-flex; align-items: center; gap: 6px; }
.nav-item > a .caret { font-size: 0.6rem; opacity: 0.7; transition: transform 0.2s ease; }
.nav-item:hover > a .caret { transform: rotate(180deg); }
.nav-item::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -18px;
  right: -18px;
  height: 18px;
}
.dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(16, 18, 24, 0.97);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px;
  width: 320px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  z-index: 90;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 12px 13px;
  border-radius: 11px;
  transition: background 0.18s ease;
}
.dropdown a:hover { background: rgba(255, 255, 255, 0.05); }
.dropdown .dd-ic {
  width: 34px; height: 34px;
  flex-shrink: 0;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--orange-dim);
  color: var(--orange);
}
.dropdown .dd-ic svg { width: 18px; height: 18px; }
.dropdown strong { display: block; font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.dropdown span { font-size: 0.8rem; color: var(--muted); line-height: 1.45; }
.nav-links a.active { color: var(--orange-soft); }
@media (max-width: 760px) {
  .nav-item::after { display: none; }
  .dropdown {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--line);
    padding: 8px;
    margin-top: 4px;
    border-radius: 14px;
    transform: none;
  }
  .nav-item:hover .dropdown,
  .nav-item:focus-within .dropdown {
    transform: none;
  }
  .dropdown a {
    min-height: 48px;
    color: var(--text);
  }
  .nav-item > a .caret { display: none; }
}

/* ---------- Sub-page hero ---------- */
.subhero {
  padding: 150px 0 70px;
  position: relative;
}
.subhero-inner { max-width: 760px; }
.subhero .product-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 26px;
}
.subhero .product-eyebrow .tag-chip {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--orange), #d94f05);
  color: #fff;
}
.subhero h1 { font-size: clamp(2.2rem, 4.8vw, 3.7rem); }
.subhero .lead { max-width: 600px; }

/* hero stats inline */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 38px;
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.hero-stats .hs-val {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero-stats .hs-lab { font-size: 0.84rem; color: var(--muted); margin-top: 8px; max-width: 150px; }

/* ---------- Écosystème (home) ---------- */
.eco-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  position: relative;
}
.eco-card {
  background: linear-gradient(165deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 38px 34px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.eco-card:hover { transform: translateY(-5px); border-color: rgba(248, 98, 14, 0.45); }
.eco-card .eco-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.eco-card h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.eco-card .eco-role { font-size: 0.9rem; color: var(--muted); font-weight: 600; margin-bottom: 18px; }
.eco-card p { color: var(--muted); font-size: 0.97rem; margin-bottom: 22px; flex: 1; }
.eco-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }
.eco-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 0.92rem; color: var(--text); }
.eco-list li svg { width: 17px; height: 17px; color: var(--orange); flex-shrink: 0; margin-top: 3px; }
.eco-card .btn { align-self: flex-start; }

.eco-flow {
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 26px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.015);
}
.eco-flow .fl-step {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}
.eco-flow .fl-step.accent { background: var(--orange-dim); border-color: rgba(248, 98, 14, 0.4); color: var(--orange-soft); }
.eco-flow .fl-arrow { color: var(--orange); font-size: 1.1rem; }

/* ---------- Pipeline IA (Studio) ---------- */
.pipeline { display: flex; flex-direction: column; gap: 0; }
.pl-step {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 26px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.pl-step:last-child { border-bottom: 1px solid var(--line); }
.pl-num {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--orange);
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--orange-dim);
  border: 1px solid rgba(248, 98, 14, 0.3);
}
.pl-body h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 8px; }
.pl-body p { color: var(--muted); font-size: 0.97rem; max-width: 620px; }
.pl-body .pl-tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-soft);
  background: var(--orange-dim);
  padding: 4px 11px;
  border-radius: 999px;
}

/* reformulation before/after */
.reformul {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  margin-top: 14px;
}
.reformul .rf-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  font-size: 0.93rem;
  line-height: 1.55;
}
.reformul .rf-before { background: rgba(255, 255, 255, 0.02); color: var(--muted); font-style: italic; }
.reformul .rf-after { background: var(--orange-dim); border-color: rgba(248, 98, 14, 0.35); color: var(--text); }
.reformul .rf-lab { display: block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px; }
.reformul .rf-before .rf-lab { color: var(--muted); }
.reformul .rf-after .rf-lab { color: var(--orange); }
.reformul .rf-arrow { color: var(--orange); font-size: 1.4rem; }
@media (max-width: 760px) {
  .reformul { grid-template-columns: 1fr; }
  .reformul .rf-arrow { transform: rotate(90deg); justify-self: center; }
}

/* offline AI highlight band */
.ai-band {
  background: linear-gradient(135deg, rgba(248, 98, 14, 0.12), rgba(248, 98, 14, 0.03));
  border: 1px solid rgba(248, 98, 14, 0.3);
  border-radius: calc(var(--radius) + 6px);
  padding: 50px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 44px;
  align-items: center;
}
.ai-band h2 { margin-bottom: 16px; }
.ai-band p { color: var(--muted); }
.ai-band .ai-points { display: flex; flex-direction: column; gap: 16px; }
.ai-band .ai-pt { display: flex; gap: 14px; align-items: flex-start; }
.ai-band .ai-pt svg { width: 22px; height: 22px; color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.ai-band .ai-pt strong { display: block; font-family: var(--font-display); font-weight: 600; margin-bottom: 2px; }
.ai-band .ai-pt span { font-size: 0.9rem; color: var(--muted); }
@media (max-width: 900px) { .ai-band { grid-template-columns: 1fr; gap: 30px; padding: 34px 26px; } }

/* ---------- Split feature rows ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 90px;
}
.split:last-child { margin-bottom: 0; }
.split.reverse .split-visual { order: 2; }
.split h3 { font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
.split p { color: var(--muted); margin-bottom: 18px; }
.split .split-list { display: flex; flex-direction: column; gap: 11px; }
.split .split-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 0.94rem; }
.split .split-list svg { width: 17px; height: 17px; color: var(--orange); flex-shrink: 0; margin-top: 3px; }
.split-visual {
  aspect-ratio: 4 / 3;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 70% 20%, rgba(248, 98, 14, 0.16), transparent 55%),
    linear-gradient(160deg, var(--panel-2), var(--bg-2));
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.split-visual .sv-icon { width: 78px; height: 78px; color: var(--orange); opacity: 0.85; }
.split-visual .sv-icon svg { width: 100%; height: 100%; }
.split-visual .sv-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.35;
  mask-image: radial-gradient(circle at center, black, transparent 75%);
}
.split-visual .sv-cap {
  position: absolute;
  bottom: 18px; left: 18px; right: 18px;
  font-size: 0.78rem;
  color: var(--muted);
  background: rgba(11, 12, 15, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  padding: 9px 13px;
  border-radius: 10px;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 30px; margin-bottom: 56px; }
  .split.reverse .split-visual { order: 0; }
}

/* ---------- Comparatif Studio vs Visio ---------- */
.compare {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
}
.compare-row > div { padding: 22px 26px; border-top: 1px solid var(--line); }
.compare-row:first-child > div { border-top: none; }
.compare-row > div:not(:first-child) { border-left: 1px solid var(--line); }
.compare-head > div { background: rgba(255, 255, 255, 0.02); }
.compare-head .ch-prod { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.compare-head .ch-prod .ch-sub { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.8rem; color: var(--muted); margin-top: 3px; }
.compare-row .cr-key { font-weight: 600; color: var(--muted); font-size: 0.9rem; }
.compare-row .cr-val { font-size: 0.93rem; }
.compare-row .cr-val.on { color: var(--text); }
@media (max-width: 760px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-row > div:not(:first-child) { border-left: none; }
  .compare-row .cr-key { background: rgba(248,98,14,0.06); }
}

/* ---------- À propos ---------- */
.about-lead-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: start; }
.about-facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.about-facts .af-row { display: flex; justify-content: space-between; gap: 18px; padding: 15px 22px; border-top: 1px solid var(--line); font-size: 0.9rem; }
.about-facts .af-row:first-child { border-top: none; }
.about-facts .af-row .af-k { color: var(--muted); }
.about-facts .af-row .af-v { color: var(--text); font-weight: 600; text-align: right; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; background: var(--panel); }
.value-card .vc-ic { width: 46px; height: 46px; border-radius: 12px; background: var(--orange-dim); color: var(--orange); display: grid; place-items: center; margin-bottom: 20px; }
.value-card .vc-ic svg { width: 22px; height: 22px; }
.value-card h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 9px; }
.value-card p { color: var(--muted); font-size: 0.92rem; }
@media (max-width: 900px) { .about-lead-grid { grid-template-columns: 1fr; gap: 34px; } .values-grid { grid-template-columns: 1fr; } }

/* ---------- Cas d'usage détaillés ---------- */
.uc-detail {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.uc-detail:last-child { border-bottom: 1px solid var(--line); }
.uc-detail .ucd-ic { width: 52px; height: 52px; border-radius: 14px; background: var(--orange-dim); color: var(--orange); display: grid; place-items: center; }
.uc-detail .ucd-ic svg { width: 25px; height: 25px; }
.uc-detail h3 { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 10px; }
.uc-detail .ucd-prob { color: var(--muted); margin-bottom: 14px; }
.uc-detail .ucd-sol { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.uc-detail .ucd-box { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: var(--panel); }
.uc-detail .ucd-box .ucd-lab { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); margin-bottom: 7px; }
.uc-detail .ucd-box p { font-size: 0.9rem; color: var(--text); }
.uc-detail .ucd-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.uc-detail .ucd-tags span { font-size: 0.74rem; font-weight: 600; color: var(--muted); border: 1px solid var(--line); padding: 4px 11px; border-radius: 999px; }
@media (max-width: 700px) { .uc-detail { grid-template-columns: 1fr; gap: 16px; } .uc-detail .ucd-sol { grid-template-columns: 1fr; } }

/* ============================================================
   CALCULATEUR ROI
   ============================================================ */
.roi-layout { display: grid; grid-template-columns: 1.25fr 0.95fr; gap: 40px; align-items: start; }
.roi-controls { display: flex; flex-direction: column; gap: 26px; }

.roi-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px 28px;
}
.roi-block > h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.roi-block > .roi-hint { font-size: 0.85rem; color: var(--muted); margin-bottom: 22px; }

/* segmented */
.seg { display: flex; gap: 6px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 5px; }
.seg button {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 11px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.seg button.on { background: linear-gradient(135deg, var(--orange), #e05405); color: #fff; }

.roi-field { margin-bottom: 18px; }
.roi-field:last-child { margin-bottom: 0; }
.roi-field label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 0.88rem; font-weight: 600; margin-bottom: 9px; }
.roi-field label .rf-out { font-family: var(--font-display); color: var(--orange); font-weight: 700; }
.roi-field input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 5px; border-radius: 4px;
  background: var(--line-strong); outline: none; cursor: pointer;
}
.roi-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--orange); border: 3px solid #1b1207;
  box-shadow: 0 0 0 1px var(--orange); cursor: pointer;
}
.roi-field input[type="range"]::-moz-range-thumb {
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--orange); border: 3px solid #1b1207; cursor: pointer;
}
.roi-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* lever toggle cards */
.lever {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-2);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.lever + .lever { margin-top: 12px; }
.lever.on { border-color: rgba(248, 98, 14, 0.4); }
.lever-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
}
.lever-head .lv-ic { width: 36px; height: 36px; border-radius: 9px; background: var(--orange-dim); color: var(--orange); display: grid; place-items: center; flex-shrink: 0; }
.lever-head .lv-ic svg { width: 18px; height: 18px; }
.lever-head .lv-txt { flex: 1; }
.lever-head .lv-txt strong { display: block; font-family: var(--font-display); font-size: 0.97rem; font-weight: 600; }
.lever-head .lv-txt span { font-size: 0.8rem; color: var(--muted); }
.lever-head .lv-gain { font-family: var(--font-display); font-weight: 700; color: var(--orange); font-size: 0.95rem; white-space: nowrap; }

/* switch */
.switch { width: 42px; height: 24px; border-radius: 999px; background: var(--line-strong); position: relative; flex-shrink: 0; transition: background 0.2s ease; }
.switch::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform 0.2s ease; }
.lever.on .switch { background: var(--orange); }
.lever.on .switch::after { transform: translateX(18px); }

.lever-body { display: none; padding: 4px 18px 20px; border-top: 1px solid var(--line); }
.lever.on .lever-body { display: block; }
.lever-body .roi-field { margin-top: 16px; margin-bottom: 0; }

/* results panel */
.roi-results { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 18px; }
.roi-hero-result {
  border: 1px solid rgba(248, 98, 14, 0.4);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(160deg, rgba(248, 98, 14, 0.16), rgba(248, 98, 14, 0.04));
  padding: 30px 30px 26px;
}
.roi-hero-result .rhr-lab { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange-soft); margin-bottom: 12px; }
.roi-hero-result .rhr-val {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--orange);
}
.roi-hero-result .rhr-sub { font-size: 0.86rem; color: var(--muted); margin-top: 10px; }
.roi-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.roi-metric { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); padding: 18px 20px; }
.roi-metric .rm-lab { font-size: 0.78rem; color: var(--muted); margin-bottom: 8px; }
.roi-metric .rm-val { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.roi-metric .rm-val.pos { color: var(--orange); }

/* breakdown bars */
.roi-breakdown { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 22px 24px; }
.roi-breakdown h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; }
.bd-row { margin-bottom: 13px; }
.bd-row:last-child { margin-bottom: 0; }
.bd-row .bd-top { display: flex; justify-content: space-between; font-size: 0.82rem; margin-bottom: 5px; }
.bd-row .bd-top .bd-k { color: var(--muted); }
.bd-row .bd-top .bd-v { font-weight: 600; color: var(--text); }
.bd-bar { height: 7px; border-radius: 4px; background: var(--line-strong); overflow: hidden; }
.bd-bar i { display: block; height: 100%; background: linear-gradient(90deg, #e05405, var(--orange-soft)); border-radius: 4px; transition: width 0.5s cubic-bezier(0.22,1,0.36,1); }

.roi-note { font-size: 0.78rem; color: var(--muted); line-height: 1.6; }
.roi-co2 { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 20px 24px; display: flex; align-items: center; gap: 16px; }
.roi-co2 .co2-ic { width: 40px; height: 40px; border-radius: 10px; background: rgba(50, 215, 166, 0.14); color: #32D7A6; display: grid; place-items: center; flex-shrink: 0; }
.roi-co2 .co2-ic svg { width: 20px; height: 20px; }
.roi-co2 .co2-val { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: #32D7A6; }
.roi-co2 .co2-lab { font-size: 0.8rem; color: var(--muted); }

@media (max-width: 980px) {
  .roi-layout { grid-template-columns: 1fr; }
  .roi-results { position: static; }
}

/* generic CTA band reused */
.cta-band {
  border: 1px solid rgba(248, 98, 14, 0.35);
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(150deg, rgba(248, 98, 14, 0.14), rgba(248, 98, 14, 0.03));
  padding: 60px;
  text-align: center;
}
.cta-band h2 { max-width: 640px; margin: 0 auto 16px; }
.cta-band p { color: var(--muted); max-width: 540px; margin: 0 auto 30px; }
.cta-band .hero-cta { justify-content: center; }
@media (max-width: 700px) { .cta-band { padding: 40px 24px; } }

/* ============================================================
   AJUSTEMENTS MOBILE
   ============================================================ */
@media (max-width: 600px) {
  /* sous-héros plus compacts */
  .subhero { padding: 118px 0 50px; }
  .subhero .product-eyebrow { margin-bottom: 20px; }

  /* stats héros : moins d'espace, sur 2 lignes propres */
  .hero-stats { gap: 24px 30px; margin-top: 34px; padding-top: 26px; }
  .hero-stats > div { flex: 1 1 40%; }

  /* écosystème */
  .eco-cards { grid-template-columns: 1fr; }
  .eco-card { padding: 30px 24px; }
  .eco-flow { padding: 20px; gap: 9px; }
  .eco-flow .fl-step { font-size: 0.82rem; padding: 8px 13px; }

  /* pipeline IA : colonne numéro plus étroite */
  .pl-step { grid-template-columns: 52px 1fr; gap: 16px; padding: 24px 0; }
  .pl-num { width: 46px; height: 46px; font-size: 0.95rem; border-radius: 12px; }
  .pl-body h3 { font-size: 1.15rem; }

  /* bande IA offline */
  .ai-band { padding: 28px 22px; }

  /* comparatif déjà en 1 col à 760 */

  /* à propos : table de faits lisible */
  .about-facts .af-row { flex-direction: column; gap: 3px; padding: 13px 18px; }
  .about-facts .af-row .af-v { text-align: left; }

  /* cas d'usage */
  .uc-detail { padding: 28px 0; }
  .uc-detail h3 { font-size: 1.2rem; }

  /* ---- CALCULATEUR ROI ---- */
  .roi-block { padding: 22px 20px; }
  /* mode d'acquisition : empilé pour ne pas tronquer les libellés */
  .seg[data-seg="mode"] { flex-direction: column; }
  .seg[data-seg="mode"] button { padding: 12px; }
  .roi-grid2 { grid-template-columns: 1fr; gap: 0; }
  .roi-grid2 .roi-field { margin-bottom: 18px; }
  .roi-grid2 .roi-field:last-child { margin-bottom: 0; }
  /* leviers : libellé + gain qui respirent */
  .lever-head { gap: 11px; padding: 14px 15px; flex-wrap: wrap; }
  .lever-head .lv-txt { flex: 1 1 calc(100% - 100px); }
  .lever-head .lv-txt span { font-size: 0.76rem; }
  .lever-head .lv-gain { font-size: 0.85rem; order: 3; }
  .roi-metrics { grid-template-columns: 1fr 1fr; }
  .roi-hero-result { padding: 26px 24px 22px; }
  .roi-results { gap: 14px; }
}

@media (max-width: 380px) {
  .roi-metrics { grid-template-columns: 1fr; }
  .hero-stats > div { flex: 1 1 100%; }
}

/* ============================================================
   PAGES LÉGALES (mentions, confidentialité, CGU)
   ============================================================ */
.legal { padding: 8px 0 110px; }
.legal-inner { max-width: 820px; }
.legal section { margin-top: 36px; }
.legal section:first-of-type { margin-top: 8px; }
.legal h2 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  line-height: 1.3;
}
.legal p { color: var(--muted); margin-bottom: 12px; }
.legal ul { margin: 0 0 14px; padding: 0; }
.legal li {
  color: var(--muted);
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
}
.legal li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}
.legal a { color: var(--cyan); }
.legal a:hover { text-decoration: underline; }
.legal .legal-updated {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--muted);
  opacity: 0.85;
}

/* ============ FAQ (accueil) ============ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq-item[open] { border-color: rgba(248, 98, 14, 0.4); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--orange);
  font-size: 1.6rem;
  line-height: 1;
  flex: none;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
}
.faq-answer p { margin: 0; }
.faq-answer a { color: var(--orange-soft); font-weight: 600; }