:root {
  --bg: #171615;
  --bg-alt: #1e1c1b;
  --surface: #2f2c2a;
  --surface-light: #423e3b;
  --surface-border: rgba(255, 255, 255, 0.09);
  --accent: #FFC000;
  --accent-dark: #D9A400;
  --ok: #34d399;
  --text: #F5F3F1;
  --text-secondary: #9C9793;
  --font-heading: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --container: 1180px;
  --radius: 10px;
  --radius-sm: 6px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(255,192,0,0.05), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(255,255,255,0.03), transparent 60%),
    var(--bg);
  color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.15rem; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
p { color: var(--text-secondary); }
a { color: inherit; text-decoration: none; }
.text-accent { color: var(--accent); }
.highlight { color: var(--accent); background: rgba(255,192,0,0.12); padding: 2px 8px; border-radius: 6px; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section__head { max-width: 680px; margin-bottom: 48px; }
.section__head h2 { margin-top: 10px; color: var(--text); }
.section__lead { margin-top: 16px; font-size: 1.05rem; }
.eyebrow { display: inline-block; color: var(--accent); font-family: var(--font-mono); font-weight: 500; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }

.grain { position: fixed; inset: 0; z-index: 2; pointer-events: none; opacity: 0.05; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.cursor-glow { position: fixed; top: 0; left: 0; width: 340px; height: 340px; border-radius: 50%; z-index: 1; background: radial-gradient(circle, rgba(255,192,0,0.08), transparent 70%); pointer-events: none; transform: translate(-50%, -50%); opacity: 0; transition: opacity .3s ease; }
.progress-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0%; background: var(--accent); z-index: 200; box-shadow: 0 0 12px rgba(255,192,0,0.6); }

.icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon--sm { width: 16px; height: 16px; }
.logo-icon { width: 20px; height: 20px; flex-shrink: 0; }
.logo-icon--sm { width: 16px; height: 16px; flex-shrink: 0; }
.icon--lg { width: 30px; height: 30px; color: var(--accent); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font-heading); font-weight: 700; letter-spacing: -0.01em; border-radius: var(--radius); padding: 14px 26px; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: transform .25s var(--spring), box-shadow .25s var(--ease), border-color .2s ease; }
.btn--primary { background: var(--accent); color: #201d0a; box-shadow: 0 8px 24px -8px rgba(255,192,0,0.55); animation: btn-breathe 3.4s ease-in-out infinite; }
@keyframes btn-breathe { 0%,100% { box-shadow: 0 8px 24px -8px rgba(255,192,0,0.55); } 50% { box-shadow: 0 8px 34px -4px rgba(255,192,0,0.8); } }
.btn--primary:hover { transform: translateY(-2px) scale(1.02); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--surface-border); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--sm { padding: 9px 18px; font-size: 0.85rem; }
.btn--lg { padding: 16px 30px; font-size: 1rem; }
.btn--block { width: 100%; white-space: normal; }
.btn .icon { width: 18px; height: 18px; }

.nav { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(14px); background: rgba(23,22,21,0.72); border-bottom: 1px solid transparent; transition: border-color .2s ease, background .2s ease; }
.nav.is-scrolled { border-color: var(--surface-border); background: rgba(23,22,21,0.92); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav__logo { height: 34px; width: auto; display: block; }
.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a:not(.btn) { color: var(--text-secondary); font-weight: 600; font-size: 0.92rem; transition: color .15s ease; }
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__toggle { display: none; background: none; border: 1px solid var(--surface-border); color: var(--text); border-radius: var(--radius-sm); padding: 8px; cursor: pointer; }

/* ===================== HERO ===================== */
.hero { position: relative; padding: 64px 0 90px; overflow: hidden; }
.hero__bg { position: absolute; inset: -20% -10% auto -10%; height: 700px; background: radial-gradient(600px 400px at 15% 20%, rgba(255,192,0,0.12), transparent 60%), radial-gradient(700px 500px at 85% 10%, rgba(255,255,255,0.04), transparent 60%); pointer-events: none; z-index: 0; }
.hero__copy { position: relative; z-index: 1; max-width: 700px; margin: 0 auto 56px; text-align: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--surface-border); padding: 8px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 22px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; animation: live-ping 1.8s ease-out infinite; }
@keyframes live-ping { 0% { box-shadow: 0 0 0 0 rgba(255,192,0,0.5); } 70% { box-shadow: 0 0 0 8px rgba(255,192,0,0); } 100% { box-shadow: 0 0 0 0 rgba(255,192,0,0); } }
.hero__lead { font-size: 1.1rem; margin: 20px auto 32px; max-width: 560px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; justify-content: center; }
.hero__trust { list-style: none; display: flex; flex-wrap: wrap; gap: 22px; justify-content: center; }
.hero__trust li { display: flex; align-items: center; gap: 8px; font-size: 0.86rem; color: var(--text-secondary); font-weight: 600; }
.hero__trust .icon { color: var(--accent); }

/* ===================== AGENT DEMO (3 colonnes) ===================== */
.agent-demo { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 36px 1.4fr 36px 1fr; gap: 12px; align-items: center; background: var(--bg-alt); border: 1px solid var(--surface-border); border-radius: 16px; padding: 20px; box-shadow: 0 40px 80px -40px rgba(0,0,0,0.7); }

.hero-link { position: relative; height: 2px; background: var(--surface-border); border-radius: 2px; overflow: hidden; }
.hero-link__shimmer { position: absolute; top: 0; left: -60%; width: 60%; height: 100%; background: linear-gradient(90deg, transparent, var(--accent), transparent); animation: shimmer-slide 2.6s linear infinite; }
@keyframes shimmer-slide { from { left: -60%; } to { left: 140%; } }

.hero-drop { position: relative; width: 2px; height: 36px; margin: 0 auto; background: var(--surface-border); overflow: hidden; }
.hero-drop__shimmer { position: absolute; left: 0; top: -60%; width: 100%; height: 60%; background: linear-gradient(180deg, transparent, var(--accent), transparent); animation: shimmer-slide-v 2s linear infinite; }
@keyframes shimmer-slide-v { from { top: -60%; } to { top: 140%; } }

.llm-strip { text-align: center; background: var(--bg-alt); border: 1px solid var(--surface-border); border-radius: 16px; padding: 26px; }
.llm-strip__lead { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 18px; }
.llm-strip__row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.llm-strip__row span { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--surface-border); border-radius: 999px; padding: 8px 16px; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); transition: box-shadow .5s ease, border-color .5s ease, transform .5s ease; }
.llm-strip__row span.is-spotlight { border-color: var(--accent); box-shadow: 0 0 16px rgba(255,192,0,0.35); transform: scale(1.05); color: var(--text); }
.agent-demo__col { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.agent-demo__label { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.conn-row { display: flex; align-items: center; gap: 8px; background: var(--surface); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 0.82rem; font-weight: 600; }
.conn-row .icon { color: var(--accent); }
.conn-status { margin-left: auto; display: flex; align-items: center; gap: 5px; font-size: 0.7rem; color: var(--ok); font-weight: 600; }
.dot-ok { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }

.agent-demo__col--chat { background: var(--surface); border-radius: var(--radius); padding: 16px; }
.agent-demo__chat-head { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-secondary); margin-bottom: 6px; }
.agent-demo__bubble { background: var(--bg-alt); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.86rem; color: var(--text); align-self: flex-start; }
.agent-demo__steps { display: flex; flex-direction: column; gap: 8px; flex: 1; min-height: 90px; padding: 4px 2px; }
.agent-demo__step { font-size: 0.82rem; color: var(--text-secondary); opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
.agent-demo__step.is-visible { opacity: 1; transform: translateY(0); }
.agent-demo__step--result { color: var(--text); font-weight: 700; }
.agent-demo__inputbar { display: flex; align-items: center; justify-content: space-between; background: var(--bg-alt); border: 1px dashed var(--surface-border); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 0.8rem; color: var(--text-secondary); }
.agent-demo__tag { font-family: var(--font-mono); font-size: 0.66rem; color: var(--accent); }

.exec-progress { width: 100%; height: 4px; background: var(--surface); border-radius: 999px; overflow: hidden; margin-bottom: 2px; }
.exec-progress__fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent-dark), var(--accent)); border-radius: 999px; }

.exec-card { background: var(--surface); border-radius: var(--radius-sm); padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.exec-row { display: flex; justify-content: space-between; font-size: 0.8rem; }
.exec-row span { color: var(--text-secondary); }
.exec-row em { font-style: normal; font-weight: 600; color: var(--text); }
.exec-row em.ok { color: var(--ok); }

/* ===================== TOOLS STRIP ===================== */
.tools-strip { padding: 46px 0; border-top: 1px solid var(--surface-border); border-bottom: 1px solid var(--surface-border); }
.tools-strip__lead { text-align: center; color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }

.marquee { overflow: hidden; width: 100%; margin-top: 14px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; width: max-content; gap: 14px; animation: marquee-left 46s linear infinite; }
.marquee__track--reverse { animation-name: marquee-right; transform: translateX(-50%); }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--surface-border); border-radius: 999px; padding: 8px 16px; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); flex-shrink: 0; }
@keyframes marquee-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marquee-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }

/* ===================== CATALOGUE ===================== */
.catalogue__grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.uc-card { position: relative; z-index: 1; background: var(--surface); border: 1px solid var(--surface-border); border-radius: var(--radius); padding: 28px; transition: transform .3s var(--spring), border-color .3s ease; }
.uc-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.uc-card .icon--lg { margin-bottom: 16px; }
.uc-card__tag { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.uc-card h3 { font-size: 1.15rem; color: var(--text); line-height: 1.25; }
.uc-card p { font-size: 0.9rem; margin-top: 10px; }
.uc-card__tools { display: flex; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--surface-border); }
.uc-card__tools .icon { color: var(--accent); opacity: 0.8; }
.uc-card--accent { border-color: var(--accent); background: linear-gradient(155deg, var(--surface), rgba(255,192,0,0.05)); }

/* ===================== MANIFESTO ===================== */
.manifesto__line { margin-top: 40px; text-align: center; font-family: var(--font-heading); font-weight: 600; font-size: 0.92rem; max-width: 520px; margin-left: auto; margin-right: auto; color: var(--text-secondary); }

/* ===================== METHOD (3 steps) ===================== */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.step3 { background: linear-gradient(155deg, var(--surface-light), var(--surface) 55%); border: 1px solid var(--surface-border); border-radius: var(--radius); padding: 28px; }
.step3__num { font-family: var(--font-mono); color: var(--accent); font-size: 0.9rem; margin-bottom: 14px; }

/* ===================== SOVEREIGNTY ===================== */
.glass-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.glass-panel { background: rgba(47,44,42,0.5); backdrop-filter: blur(12px); border: 1px solid var(--surface-border); border-radius: var(--radius); padding: 28px; }
.glass-panel__tag { display: inline-block; font-family: var(--font-mono); font-weight: 500; font-size: 0.78rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.glass-panel ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.glass-panel li { color: var(--text-secondary); font-size: 0.92rem; display: flex; align-items: flex-start; gap: 8px; }
.glass-panel--accent { background: rgba(255,192,0,0.06); border-color: var(--accent); }
.glass-panel--accent .glass-panel__tag { color: var(--accent); }
.glass-panel--accent li { color: var(--text); font-weight: 600; }
.glass-panel--accent .icon { color: var(--accent); margin-top: 2px; }
.check-list { list-style: none; margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text); font-weight: 600; font-size: 0.92rem; }
.check-list .icon { color: var(--accent); margin-top: 2px; }

/* ===================== COMPANY BRAIN ===================== */
.brain-capstone { position: relative; overflow: hidden; margin-top: 36px; background: linear-gradient(160deg, var(--surface), var(--bg-alt)); border: 1px solid var(--accent); border-radius: 20px; padding: 48px 32px; }
.brain-capstone--compact { padding: 28px 24px; }
.brain__network { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.25; }
.brain__network circle { fill: var(--accent); opacity: 0.6; }
.brain__network line { stroke: var(--accent); stroke-width: 1; opacity: 0.18; }
.brain-capstone__inner { position: relative; z-index: 1; text-align: center; max-width: 700px; margin: 0 auto; }
.brain-capstone__inner h3 { margin-top: 8px; font-size: clamp(1.2rem, 2.2vw, 1.6rem); color: var(--text); }
.brain-capstone__inner > p { margin-top: 10px; font-size: 0.92rem; }
.brain-capstone__chips { margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.brain-capstone__chip { display: inline-flex; align-items: center; gap: 7px; background: var(--bg-alt); border: 1px solid var(--surface-border); border-radius: 999px; padding: 8px 14px; font-size: 0.8rem; font-weight: 600; color: var(--text); }
.brain-capstone__chip .icon { color: var(--accent); }

.brain-connectors { max-width: 600px; margin: 0 auto; padding: 4px 0; }
.brain-connectors__bar { position: relative; height: 2px; background: var(--surface-border); border-radius: 2px; overflow: hidden; }
.brain-connectors__shimmer { position: absolute; top: 0; left: -30%; width: 30%; height: 100%; background: linear-gradient(90deg, transparent, var(--accent), transparent); animation: shimmer-slide-h2 2.4s linear infinite; }
@keyframes shimmer-slide-h2 { from { left: -30%; } to { left: 130%; } }
.brain-connectors__ticks { display: flex; justify-content: space-around; }
.brain-connectors__tick { position: relative; width: 2px; height: 28px; background: var(--surface-border); overflow: hidden; display: block; }
.brain-connectors__tick i { position: absolute; left: 0; top: -60%; width: 100%; height: 60%; background: linear-gradient(180deg, transparent, var(--accent), transparent); animation: shimmer-slide-v 2s linear infinite; font-style: normal; display: block; }
.brain-connectors__tick:nth-child(2) i { animation-delay: .3s; }
.brain-connectors__tick:nth-child(3) i { animation-delay: .6s; }

.flow-line { position: absolute; top: -30px; bottom: 0; width: 2px; background: var(--surface-border); overflow: hidden; z-index: 0; }
.flow-line--1 { left: 16.66%; }
.flow-line--2 { left: 50%; }
.flow-line--3 { left: 83.33%; }
.flow-line i { position: absolute; left: 0; top: -20%; width: 100%; height: 20%; background: linear-gradient(180deg, transparent, var(--accent), transparent); animation: shimmer-slide-v 2.4s linear infinite; display: block; }
.flow-line--2 i { animation-delay: .4s; }
.flow-line--3 i { animation-delay: .8s; }

/* ===================== CTA FINAL ===================== */
.cta-final { background: var(--bg-alt); }
.cta-final__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.cta-final__inner > * { min-width: 0; }
.lead-form { background: var(--surface); border: 1px solid var(--surface-border); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; gap: 16px; }
.lead-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lead-form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.83rem; font-weight: 700; color: var(--text-secondary); }
.lead-form label > span { display: block; min-height: 2.2em; line-height: 1.3; }
.lead-form input, .lead-form select, .lead-form textarea { background: var(--bg-alt); border: 1px solid var(--surface-border); color: var(--text); border-radius: var(--radius-sm); padding: 12px 14px; font-family: var(--font-body); font-size: 0.94rem; transition: border-color .15s ease, box-shadow .15s ease; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,192,0,0.15); }
.lead-form textarea { resize: vertical; }
.lead-form__note { font-size: 0.76rem; color: var(--text-secondary); text-align: center; }
.lead-form__note a { color: var(--accent); font-weight: 600; }

/* ===================== FLOATING CTA ===================== */
.floating-cta { position: fixed; bottom: 26px; right: 26px; z-index: 120; display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #201d0a; font-family: var(--font-heading); font-weight: 700; padding: 14px 22px; border-radius: var(--radius); box-shadow: 0 12px 30px -8px rgba(255,192,0,0.6); transform: translateY(120%); opacity: 0; transition: transform .4s var(--spring), opacity .4s var(--ease); }
.floating-cta.is-visible { transform: translateY(0); opacity: 1; }

/* ===================== FOOTER ===================== */
.footer { border-top: 1px solid var(--surface-border); padding: 44px 0; }
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.footer__logo { height: 28px; opacity: 0.85; }
.footer__tagline { font-family: var(--font-heading); color: var(--text); }
.footer__contact { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; font-size: 0.88rem; color: var(--text-secondary); }
.footer__contact a { display: flex; align-items: center; gap: 6px; }
.footer__contact .icon { color: var(--accent); }
.footer__legal { font-size: 0.78rem; color: var(--text-secondary); opacity: 0.7; }

/* ===================== REVEAL ===================== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--spring), transform .6s var(--spring); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1180px) {
  .agent-demo { grid-template-columns: 1fr; }
  .catalogue__grid { grid-template-columns: repeat(2, 1fr); }
  .flow-line { display: none; }
}

@media (max-width: 980px) {
  .grid--3 { grid-template-columns: 1fr; }
  .glass-compare { grid-template-columns: 1fr; }
  .cta-final__inner { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__links { display: flex; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; background: var(--bg-alt); padding: 24px; border-bottom: 1px solid var(--surface-border); gap: 18px; }
  .cursor-glow { display: none; }
}

@media (max-width: 680px) {
  .section { padding: 64px 0; }
  .catalogue__grid { grid-template-columns: 1fr; }
  .lead-form__row { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 60px; }
  .floating-cta span { display: none; }
  .agent-demo { padding: 14px; }
}