/* Page IA & Agents — complément de /style.css */

.ai-page {
  overflow-x: hidden;
}

.ai-page .logo img {
  height: 72px;
  display: block;
}

.ai-page .main-nav a:last-child {
  color: var(--text);
}

.ai-page .main-nav a:last-child::after {
  width: 100%;
}

.ai-hero {
  position: relative;
  padding: 86px 0 82px;
  overflow: hidden;
}

.ai-hero::before {
  content: "";
  position: absolute;
  width: 640px;
  height: 640px;
  right: -190px;
  top: -210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(105,167,255,.2), rgba(123,231,196,.08) 43%, transparent 72%);
  filter: blur(8px);
  pointer-events: none;
}

.ai-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
  gap: 64px;
  align-items: center;
}

.ai-hero-copy h1 {
  margin: 0 0 24px;
  max-width: 760px;
  font-size: clamp(2.9rem, 5.8vw, 5.35rem);
  line-height: .98;
  letter-spacing: -.045em;
}

.ai-hero-copy h1 span {
  color: transparent;
  background: linear-gradient(100deg, var(--primary), var(--accent));
  background-clip: text;
  -webkit-background-clip: text;
}

.ai-lead {
  max-width: 730px;
  margin: 0;
  color: #becbe2;
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.72;
}

.ai-hero .hero-actions {
  margin: 32px 0 25px;
}

.ai-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-hero-points li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: .93rem;
}

.ai-hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(123,231,196,.65);
}

.ai-hero-visual {
  position: relative;
  min-height: 510px;
  isolation: isolate;
}

.ai-hero-visual::before {
  content: "";
  position: absolute;
  inset: 11% 8%;
  z-index: -3;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(105,167,255,.17), transparent 68%);
  filter: blur(18px);
}

.orbit {
  position: absolute;
  z-index: -1;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  border: 1px solid rgba(105,167,255,.2);
  border-radius: 50%;
}

.orbit-one {
  width: 360px;
  height: 360px;
}

.orbit-two {
  width: 480px;
  height: 480px;
  border-style: dashed;
  border-color: rgba(123,231,196,.17);
}

.hero-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 17px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(16,26,45,.92);
  box-shadow: 0 16px 38px rgba(0,0,0,.28);
  backdrop-filter: blur(12px);
}

.hero-node > span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: #081120;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 800;
}

.hero-node-main {
  left: 50%;
  top: 50%;
  width: 230px;
  min-height: 176px;
  translate: -50% -50%;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  border-color: rgba(123,231,196,.34);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(105,167,255,.16), rgba(123,231,196,.1)), rgba(16,26,45,.94);
  box-shadow: 0 25px 65px rgba(0,0,0,.35), 0 0 60px rgba(105,167,255,.1);
}

.hero-node-main svg {
  width: 56px;
  height: 56px;
  padding: 12px;
  border-radius: 17px;
  fill: none;
  stroke: #9dc2ff;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  background: rgba(105,167,255,.1);
}

.hero-node-main strong {
  font-size: 1.4rem;
}

.hero-node-main span {
  width: auto;
  height: auto;
  color: var(--muted);
  background: none;
  font-size: .85rem;
  font-weight: 500;
}

.hero-node-mail { left: 0; top: 17%; }
.hero-node-doc { right: 0; top: 20%; }
.hero-node-crm { left: 1%; bottom: 16%; }
.hero-node-data { right: 0; bottom: 15%; }

.ai-trust-strip {
  border-block: 1px solid var(--border);
  background: rgba(255,255,255,.018);
}

.ai-trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-block: 19px;
}

.ai-trust-items span {
  position: relative;
  text-align: center;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
}

.ai-trust-items span + span::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 20%;
  width: 1px;
  height: 60%;
  background: var(--border);
}

.ai-intro-section {
  padding-block: 96px;
}

.ai-intro-grid {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  gap: 90px;
  align-items: start;
}

.ai-intro-grid h2,
.ai-control-card h2 {
  margin: 9px 0 0;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.08;
  letter-spacing: -.025em;
}

.ai-intro-copy > p:first-child {
  margin: 7px 0 22px;
  color: #d1dbee;
  font-size: 1.14rem;
  line-height: 1.82;
}

.ai-callout {
  margin: 0;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  border-radius: 0 14px 14px 0;
  color: var(--muted);
  background: rgba(123,231,196,.055);
}

.ai-centered-heading {
  max-width: 850px;
  margin-inline: auto;
  text-align: center;
}

.ai-centered-heading .section-intro {
  margin-inline: auto;
}

.ai-levels-section {
  position: relative;
}

.ai-level-list {
  display: grid;
  gap: 26px;
  margin-top: 44px;
}

.ai-level-card {
  display: grid;
  grid-template-columns: minmax(330px, .8fr) minmax(520px, 1.2fr);
  gap: 42px;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
}

.ai-level-card-featured {
  border-color: rgba(105,167,255,.34);
  background: linear-gradient(145deg, rgba(105,167,255,.09), rgba(123,231,196,.04));
}

.ai-level-title {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.ai-level-number {
  flex: 0 0 48px;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 2.5;
}

.ai-level-kicker {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.ai-level-copy h3 {
  margin: 0;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.15;
}

.ai-level-copy > p:not(.ai-level-fit) {
  margin: 20px 0 15px;
  color: var(--muted);
}

.ai-use-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-use-list li {
  position: relative;
  margin: 8px 0;
  padding-left: 21px;
  color: #d4def0;
}

.ai-use-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.ai-level-fit {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}

.ai-level-fit strong {
  color: var(--text);
}

.flow-panel {
  min-width: 0;
  padding: 28px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  background: rgba(4,11,24,.44);
}

.flow-row,
.flow-split {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.flow-node {
  display: flex;
  min-width: 115px;
  min-height: 92px;
  padding: 13px 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  background: rgba(255,255,255,.045);
}

.flow-node-accent {
  border-color: rgba(123,231,196,.35);
  background: linear-gradient(145deg, rgba(105,167,255,.13), rgba(123,231,196,.08));
}

.flow-node-wide {
  min-width: 170px;
}

.flow-node-result {
  border-color: rgba(123,231,196,.35);
}

.flow-icon {
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  margin-bottom: 7px;
  border-radius: 9px;
  color: #07111e;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: .82rem;
  font-weight: 900;
}

.flow-node strong {
  font-size: .91rem;
  line-height: 1.2;
}

.flow-node small {
  margin-top: 5px;
  color: var(--muted);
  font-size: .7rem;
  line-height: 1.25;
}

.flow-arrow,
.flow-down {
  color: var(--primary);
  font-size: 1.45rem;
  font-weight: 300;
}

.flow-down {
  display: block;
  margin: 5px auto;
  text-align: center;
  line-height: 1;
}

.flow-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.flow-actions span {
  padding: 10px 7px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 10px;
  color: #dfe7f5;
  background: rgba(255,255,255,.035);
  text-align: center;
  font-size: .74rem;
}

.flow-split .flow-node {
  flex: 1 1 0;
}

.flow-or {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
}

.flow-row-bottom .flow-node {
  min-height: 70px;
}

.flow-caption {
  margin-top: 17px;
  color: #7f8da8;
  text-align: center;
  font-size: .74rem;
}

.ai-use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 38px;
}

.ai-use-card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
  transition: translate .2s ease, border-color .2s ease;
}

.ai-use-card:hover {
  translate: 0 -4px;
  border-color: rgba(105,167,255,.3);
}

.ai-card-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 19px;
  border-radius: 13px;
  color: var(--accent);
  background: rgba(123,231,196,.08);
  border: 1px solid rgba(123,231,196,.16);
  font-size: 1.15rem;
}

.ai-use-card h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
}

.ai-use-card p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}

.ai-control-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.23fr) minmax(330px, .77fr);
  gap: 26px;
}

.ai-control-card,
.ai-guardrails {
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.ai-control-card > p:not(.section-kicker) {
  max-width: 760px;
  margin: 20px 0 28px;
  color: var(--muted);
}

.ai-choice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.ai-choice-grid div {
  padding: 18px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 15px;
  background: rgba(255,255,255,.03);
}

.ai-choice-grid strong,
.ai-choice-grid span {
  display: block;
}

.ai-choice-grid strong {
  margin-bottom: 6px;
  color: var(--primary);
}

.ai-choice-grid span {
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.5;
}

.ai-guardrails {
  border-color: rgba(123,231,196,.2);
  background: linear-gradient(145deg, rgba(123,231,196,.065), rgba(255,255,255,.025));
}

.ai-guardrails h3 {
  margin: 8px 0 22px;
  font-size: 1.55rem;
}

.ai-guardrails ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-guardrails li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 11px;
  padding: 13px 0;
  border-top: 1px solid var(--border);
  color: #d5deee;
  font-size: .9rem;
}

.ai-guardrails li span {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
}

.ai-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 42px;
}

.ai-step {
  position: relative;
  padding: 31px 24px 24px;
  border-top: 1px solid rgba(105,167,255,.36);
  background: linear-gradient(180deg, rgba(105,167,255,.055), transparent 72%);
}

.ai-step span {
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  margin-bottom: 20px;
  border-radius: 50%;
  color: #07111e;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 800;
}

.ai-step h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.ai-step p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.ai-faq-layout {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 70px;
  align-items: start;
}

.ai-faq-layout .section-heading {
  position: sticky;
  top: 115px;
}

.ai-faq-list {
  display: grid;
  gap: 12px;
}

.ai-faq-list details {
  border: 1px solid var(--border);
  border-radius: 17px;
  background: rgba(255,255,255,.035);
}

.ai-faq-list summary {
  position: relative;
  padding: 20px 54px 20px 21px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.ai-faq-list summary::-webkit-details-marker {
  display: none;
}

.ai-faq-list summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  translate: 0 -50%;
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 400;
}

.ai-faq-list details[open] summary::after {
  content: "-";
}

.ai-faq-list details[open] summary {
  color: var(--accent);
}

.ai-faq-list details p {
  margin: 0;
  padding: 0 21px 20px;
  color: var(--muted);
}

.ai-cta-section {
  padding-block: 70px 90px;
}

.ai-cta {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 42px;
  overflow: hidden;
  border: 1px solid rgba(105,167,255,.3);
  border-radius: 28px;
  background: linear-gradient(125deg, rgba(105,167,255,.12), rgba(123,231,196,.07));
  box-shadow: var(--shadow);
}

.ai-cta::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123,231,196,.17), transparent 70%);
  pointer-events: none;
}

.ai-cta h2 {
  margin: 7px 0 12px;
  font-size: clamp(1.9rem, 3vw, 2.7rem);
}

.ai-cta p:not(.section-kicker) {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

.ai-cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.ai-cta-actions span {
  color: var(--muted);
  font-size: .8rem;
}

@media (max-width: 1080px) {
  .ai-page .main-nav {
    gap: 14px;
  }

  .ai-hero-grid {
    grid-template-columns: 1fr;
  }

  .ai-hero-copy {
    max-width: 800px;
  }

  .ai-hero-visual {
    width: min(580px, 100%);
    margin-inline: auto;
  }

  .ai-level-card {
    grid-template-columns: 1fr;
  }

  .flow-panel {
    width: 100%;
  }
}

@media (max-width: 880px) {
  .ai-page .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-bottom: 14px;
  }

  .ai-page .logo img {
    height: 62px;
  }

  .ai-intro-grid,
  .ai-control-grid,
  .ai-faq-layout,
  .ai-cta {
    grid-template-columns: 1fr;
  }

  .ai-intro-grid,
  .ai-faq-layout {
    gap: 32px;
  }

  .ai-use-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-faq-layout .section-heading {
    position: static;
  }

  .ai-cta-actions {
    align-items: flex-start;
  }
}

@media (max-width: 680px) {
  .ai-page .main-nav {
    width: 100%;
    gap: 8px 14px;
    font-size: .88rem;
  }

  .ai-page .main-nav a:nth-child(3),
  .ai-page .main-nav a:nth-child(4),
  .ai-page .main-nav a:nth-child(5) {
    display: none;
  }

  .ai-hero {
    padding: 58px 0 52px;
  }

  .ai-hero-copy h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .ai-hero-visual {
    min-height: 430px;
  }

  .orbit-one { width: 280px; height: 280px; }
  .orbit-two { width: 390px; height: 390px; }
  .hero-node-main { width: 190px; min-height: 150px; }
  .hero-node-mail { left: 0; top: 9%; }
  .hero-node-doc { right: 0; top: 13%; }
  .hero-node-crm { left: 0; bottom: 9%; }
  .hero-node-data { right: 0; bottom: 11%; }
  .hero-node:not(.hero-node-main) { padding: 10px 11px; font-size: .78rem; }

  .ai-trust-items {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-trust-items span + span::before {
    display: none;
  }

  .ai-intro-section {
    padding-block: 65px;
  }

  .ai-level-card,
  .ai-control-card,
  .ai-guardrails,
  .ai-cta {
    padding: 24px;
  }

  .flow-panel {
    padding: 21px 16px;
  }

  .flow-row {
    flex-direction: column;
  }

  .flow-arrow {
    rotate: 90deg;
  }

  .flow-node {
    width: 100%;
    min-height: 78px;
  }

  .flow-split {
    align-items: stretch;
  }

  .flow-actions {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-use-grid,
  .ai-choice-grid,
  .ai-steps {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-use-card,
  .ai-page .btn {
    transition: none;
  }
}