/* ===================== TOKENS ===================== */
:root {
  --bg: #f6f7fc;
  --bg-soft: #eef1fb;
  --white: #ffffff;
  --ink: #161a2e;
  --ink-soft: #3a3f57;
  --muted: #6b7088;
  --line: #e7e9f3;

  --violet: #6d5cf6;
  --violet-600: #5b49ee;
  --blue: #4f7cf7;
  --accent-grad: linear-gradient(120deg, #6d5cf6 0%, #5b8def 100%);

  --halo: radial-gradient(closest-side, rgba(120,120,250,0.28), rgba(120,120,250,0) 70%);

  --radius: 18px;
  --radius-lg: 26px;
  --shadow-sm: 0 2px 10px rgba(40, 50, 110, 0.05);
  --shadow: 0 18px 50px rgba(40, 50, 120, 0.10);
  --shadow-lg: 0 30px 80px rgba(40, 50, 120, 0.14);

  --container: 1180px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ===================== BASE ===================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1100px 600px at 80% -5%, #e9ecfd 0%, rgba(233,236,253,0) 60%),
    radial-gradient(900px 500px at 0% 10%, #eef0fe 0%, rgba(238,240,254,0) 55%),
    var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 820px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; color: var(--ink); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h4 { font-family: var(--sans); font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.muted { color: var(--muted); }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem;
  padding: 12px 22px; border-radius: 12px; cursor: pointer;
  border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-primary { background: var(--accent-grad); color: #fff; box-shadow: 0 12px 26px rgba(109,92,246,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(109,92,246,0.45); }
.btn-ghost { background: rgba(255,255,255,0.7); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline { background: #fff; color: var(--violet-600); border-color: #dcdcf6; }
.btn-outline:hover { background: var(--bg-soft); transform: translateY(-2px); }
.arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ===================== HEADER ===================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(246,247,252,0.72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled { border-color: var(--line); background: rgba(246,247,252,0.9); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { font-family: var(--serif); font-size: 1.55rem; letter-spacing: 0.06em; color: var(--ink); display: inline-flex; align-items: baseline; }
.logo-mark { font-style: italic; }
.main-nav { display: flex; gap: 30px; }
.main-nav a { font-size: 0.93rem; color: var(--ink-soft); font-weight: 500; transition: color .2s ease; }
.main-nav a:hover { color: var(--violet-600); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* ===================== HERO ===================== */
.hero { padding: 60px 0 40px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--violet-600);
  background: rgba(109,92,246,0.08); border: 1px solid rgba(109,92,246,0.2);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(4.5rem, 11vw, 8.5rem); line-height: 0.9; letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.hero-headline { font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.2; color: var(--ink); margin-bottom: 22px; }
.hero-headline .accent {
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: 1.08rem; color: var(--muted); max-width: 460px; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- HERO VISUAL ---- */
.hero-visual { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.avatar-halo {
  position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: var(--halo); filter: blur(6px); z-index: 0;
  animation: pulse 7s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: .85; } 50% { transform: scale(1.06); opacity: 1; } }
.avatar-wrap {
  position: relative; z-index: 1; width: 440px; max-width: 100%;
  display: flex; align-items: flex-end; justify-content: center;
}
.avatar-img { width: 100%; height: auto; object-fit: contain; filter: drop-shadow(0 24px 40px rgba(40,50,120,0.18)); }
.avatar-placeholder {
  display: none; width: 100%; height: 100%; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(160deg, #dfe3fb, #eef0fe); color: var(--violet-600);
  border: 2px dashed #c5c9f0; text-align: center; padding: 20px;
}
.avatar-placeholder span { font-family: var(--serif); font-size: 1.4rem; }
.avatar-placeholder small { color: var(--muted); }
.avatar-placeholder code { background: rgba(109,92,246,0.12); padding: 2px 6px; border-radius: 6px; }

/* ---- FLOAT CARDS ---- */
.float-card {
  position: absolute; z-index: 2; background: var(--white);
  border-radius: 16px; box-shadow: var(--shadow); padding: 14px 16px;
  border: 1px solid rgba(255,255,255,0.8); animation: floaty 6s ease-in-out infinite;
}
.float-card[data-float="2"] { animation-delay: -1.5s; }
.float-card[data-float="3"] { animation-delay: -3s; }
.float-card[data-float="4"] { animation-delay: -4.5s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.card-greet { top: 12%; right: -10px; max-width: 220px; padding-bottom: 16px; }
.card-greet p { font-size: 0.9rem; color: var(--ink-soft); }

/* ---- Indicateur vocal (waveform) ---- */
.waveform { display: inline-flex; align-items: center; gap: 3px; height: 14px; margin-top: 10px; }
.waveform span {
  width: 3px; height: 100%; border-radius: 3px;
  background: linear-gradient(180deg, #6d5cf6, #4f7cf7 55%, #3fc8e4);
  transform-origin: center; transform: scaleY(0.3);
  animation: wave 1.2s ease-in-out infinite;
}
.waveform span:nth-child(1) { animation-delay: -1.0s; }
.waveform span:nth-child(2) { animation-delay: -0.7s; }
.waveform span:nth-child(3) { animation-delay: -0.4s; }
.waveform span:nth-child(4) { animation-delay: -0.9s; }
.waveform span:nth-child(5) { animation-delay: -0.5s; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.3); opacity: 0.55; }
  50%      { transform: scaleY(1);   opacity: 1; }
}

.card-product { top: 40%; right: -30px; max-width: 210px; }
.card-product strong { font-size: 0.9rem; }
.card-product p { font-size: 0.8rem; color: var(--muted); margin: 2px 0 8px; }
.card-video { height: 84px; border-radius: 10px; background: linear-gradient(135deg, #c9d2f5, #b6c2ef); display: flex; align-items: center; justify-content: center; }
.card-video .play { width: 34px; height: 34px; border-radius: 50%; background: #fff; color: var(--violet-600); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; box-shadow: var(--shadow-sm); }

.card-lead { bottom: 14%; right: 0; max-width: 230px; display: flex; gap: 12px; align-items: flex-start; }
.card-lead .lead-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-soft); color: var(--violet); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.card-lead strong { font-size: 0.9rem; }
.card-lead p { font-size: 0.78rem; color: var(--muted); }

.card-lang { bottom: 6%; left: 12%; display: flex; gap: 4px; padding: 6px; border-radius: 999px; }
.card-lang .lang { border: none; background: none; font-family: var(--sans); font-size: 0.8rem; font-weight: 600; color: var(--muted); padding: 7px 13px; border-radius: 999px; cursor: pointer; }
.card-lang .lang.active { background: var(--violet); color: #fff; }

/* ===================== CLIENTS ===================== */
.clients { padding: 26px 0 4px; }
.clients-card { background: rgba(255,255,255,0.7); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 40px; box-shadow: var(--shadow-sm); }
.clients-title { text-align: center; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 22px; }
.logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.logo-client { font-weight: 700; font-size: 1.1rem; color: #9498ad; letter-spacing: 0.04em; opacity: 0.85; transition: opacity .2s, color .2s; display: inline-flex; flex-direction: column; align-items: center; line-height: 1; }
.logo-client small { font-size: 0.5rem; letter-spacing: 0.1em; font-weight: 600; }
.logo-client:hover { opacity: 1; color: #6b7088; }

/* ===================== SECTION SHELL ===================== */
.section { padding: 44px 0; }
/* "Le défi" et "La solution" : encore plus resserrés pour limiter les blancs */
.problem, .solution { padding-top: 30px; padding-bottom: 30px; }
.eyebrow, .center-eyebrow { display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--violet-600); background: rgba(109,92,246,0.08); padding: 6px 12px; border-radius: 8px; margin-bottom: 14px; }
.center-eyebrow { display: block; width: fit-content; margin: 0 auto 24px; }
.center-title { text-align: center; max-width: 760px; margin: 0 auto 28px; }

/* Layout compact texte (40%) + cards (60%), verticalement centré */
.split-head { display: grid; grid-template-columns: 2fr 3fr; gap: 36px; align-items: center; }
.split-left h2 { margin-bottom: 16px; }
.split-left .muted { font-size: 1rem; max-width: 380px; }

/* ===================== GRIDS ===================== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2x2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 22px; }

/* problem mini cards */
.mini-card { text-align: left; }
.mini-icon, .feature-icon { width: 52px; height: 52px; border-radius: 16px; background: #fff; box-shadow: var(--shadow-sm); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 16px; border: 1px solid var(--line); }
.mini-card p { font-size: 0.88rem; color: var(--muted); }

/* solution feature cards */
.solution .split-head { grid-template-columns: 0.8fr 1.5fr; }
.feature-card { background: rgba(255,255,255,0.6); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); background: #fff; }
.feature-card p { font-size: 0.88rem; color: var(--muted); }

/* not card */
.not-card { background: rgba(255,255,255,0.55); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 50px 44px; box-shadow: var(--shadow-sm); }
.not-item { display: flex; gap: 16px; }
.not-icon { width: 54px; height: 54px; border-radius: 16px; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.not-item p { font-size: 0.88rem; color: var(--muted); }

/* ===================== CADRAGE & CONTRÔLE ===================== */
.framing-title { margin-bottom: 18px; }
.framing-lead { text-align: center; max-width: 680px; margin: 0 auto 40px; color: var(--muted); font-size: 1.05rem; }
.role-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 880px; margin: 0 auto 52px; }
.role-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.88rem; font-weight: 500; color: var(--ink-soft);
  background: rgba(255,255,255,0.7); border: 1px solid var(--line);
  padding: 9px 16px; border-radius: 999px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.role-chip::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-grad); flex-shrink: 0;
}
.role-chip:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #dcdcf6; }

/* ===================== SUPPORTS ===================== */
.supports-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.support-tile { position: relative; aspect-ratio: 3 / 4; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); cursor: pointer; }
.support-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .4s ease; }
.support-tile:hover .support-bg { transform: scale(1.06); }
.support-tile span { position: absolute; left: 16px; bottom: 14px; color: #fff; font-weight: 600; font-size: 1rem; z-index: 2; text-shadow: 0 1px 8px rgba(0,0,0,0.5); }
.support-tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,20,40,0) 45%, rgba(20,20,40,0.6) 100%); z-index: 1; }

/* ===================== USECASES ===================== */
.usecase-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.usecase { background: rgba(255,255,255,0.6); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 12px; text-align: center; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.usecase:hover { transform: translateY(-4px); box-shadow: var(--shadow); background: #fff; }
.uc-icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 14px; background: var(--bg-soft); font-size: 1.3rem; margin-bottom: 12px; }
.usecase p { font-size: 0.82rem; font-weight: 500; color: var(--ink-soft); line-height: 1.3; }

/* ===================== FEATURES ===================== */
.func-card { background: rgba(255,255,255,0.6); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.func-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); background: #fff; }
.func-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 14px; background: var(--bg-soft); font-size: 1.25rem; margin-bottom: 14px; }
.func-card p { font-size: 0.88rem; color: var(--muted); }

/* ===================== OFFERS ===================== */
.offers-grid { align-items: stretch; }
.offer-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 26px; display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease; }
.offer-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.offer-card.featured { border-color: var(--violet); box-shadow: var(--shadow); }
.offer-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent-grad); color: #fff; font-size: 0.7rem; font-weight: 600; padding: 5px 14px; border-radius: 999px; }
.offer-card h3 { font-size: 1.4rem; margin-bottom: 8px; }
.offer-desc { font-size: 0.88rem; color: var(--muted); margin-bottom: 18px; }
.offer-card ul { list-style: none; margin-bottom: 22px; flex: 1; }
.offer-card li { font-size: 0.88rem; color: var(--ink-soft); padding: 7px 0 7px 24px; position: relative; border-bottom: 1px solid var(--line); }
.offer-card li::before { content: '✓'; position: absolute; left: 0; color: var(--violet); font-weight: 700; }

/* ===================== FAQ ===================== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; transition: box-shadow .2s ease; }
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; font-weight: 600; font-size: 1.02rem; padding: 18px 0; display: flex; justify-content: space-between; align-items: center; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--violet); font-weight: 400; transition: transform .25s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); padding-bottom: 18px; font-size: 0.95rem; }

/* ===================== FINAL CTA ===================== */
.final-cta { padding: 80px 0 100px; }
.final-card { text-align: center; background: linear-gradient(135deg, #4a3fb0 0%, #5b8def 100%); color: #fff; border-radius: 32px; padding: 70px 40px; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.final-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(600px 300px at 80% 0%, rgba(255,255,255,0.18), transparent 60%); }
.final-card h2 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; position: relative; }
.final-card p { color: rgba(255,255,255,0.9); max-width: 520px; margin: 0 auto 30px; position: relative; }
.final-card .btn-primary { background: #fff; color: var(--violet-600); position: relative; box-shadow: 0 12px 30px rgba(0,0,0,0.2); }

/* ---- Bloc contact ---- */
.contact-block { text-align: center; max-width: 760px; margin: 32px auto 0; }
.contact-intro { color: var(--muted); font-size: 1.02rem; max-width: 560px; margin: 0 auto 24px; }
.contact-rows { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-bottom: 24px; }
.contact-row { display: inline-flex; align-items: center; gap: 14px; text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 22px; box-shadow: var(--shadow-sm); color: var(--ink); transition: transform .2s ease, box-shadow .2s ease; }
.contact-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.contact-row strong { font-weight: 600; font-size: 0.82rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-ico { width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); display: inline-flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }

/* ===================== CONSENTEMENT COOKIES ===================== */
.cookie-manage { background: none; border: none; color: var(--muted); font: inherit; font-size: 0.82rem; cursor: pointer; text-decoration: underline; padding: 4px; margin-top: 4px; }
.cookie-manage:hover { color: var(--violet-600); }

.cookie-banner { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.cookie-banner[hidden] { display: none; }
.cookie-banner-inner { display: flex; align-items: center; gap: 22px; padding: 18px 24px; max-width: var(--container); margin: 0 auto; flex-wrap: wrap; }
.cookie-text { font-size: 0.9rem; color: var(--ink-soft); flex: 1; min-width: 260px; margin: 0; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-actions .btn, .cookie-panel-actions .btn { padding: 10px 18px; font-size: 0.9rem; }

.cookie-panel { position: fixed; inset: 0; z-index: 210; background: rgba(20,22,40,0.45); display: flex; align-items: center; justify-content: center; padding: 20px; }
.cookie-panel[hidden] { display: none; }
.cookie-panel-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); max-width: 520px; width: 100%; padding: 32px; max-height: 90vh; overflow: auto; }
.cookie-panel-card h2 { font-size: 1.5rem; margin-bottom: 8px; }
.cookie-panel-intro { color: var(--muted); font-size: 0.92rem; margin-bottom: 18px; }
.cookie-option { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.cookie-option div p { font-size: 0.84rem; color: var(--muted); margin: 2px 0 0; }
.cookie-option strong { font-size: 0.95rem; }
.cookie-always { font-size: 0.78rem; font-weight: 600; color: var(--violet-600); white-space: nowrap; }
.cookie-option input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--violet); cursor: pointer; flex-shrink: 0; }
label.cookie-option { cursor: pointer; }
.cookie-panel-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.cookie-panel-actions .btn { flex: 1; justify-content: center; min-width: 140px; }

/* Focus visible (accessibilité clavier) */
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible, .role-chip:focus-visible {
  outline: 2px solid var(--violet); outline-offset: 2px; border-radius: 6px;
}

/* ===================== FOOTER ===================== */
.site-footer { border-top: 1px solid var(--line); padding: 44px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.footer-tag { color: var(--muted); font-size: 0.95rem; }
.footer-copy { color: #9498ad; font-size: 0.82rem; }

/* ===================== REVEAL ===================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .float-card, .avatar-halo, .waveform span { animation: none; }
  .waveform span { transform: scaleY(0.6); opacity: 0.8; }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .usecase-grid { grid-template-columns: repeat(4, 1fr); }
  .supports-grid { grid-template-columns: repeat(2, 1fr); }
  .split-head { grid-template-columns: 1fr; gap: 24px; }
  .offers-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open { display: flex; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; padding: 10px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; gap: 10px; }
  .hero-visual { min-height: 460px; margin-top: 20px; }
  .hero-lead { max-width: none; }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 36px 0; }
  .problem, .solution { padding-top: 28px; padding-bottom: 28px; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-2x2 { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .supports-grid { grid-template-columns: repeat(2, 1fr); }
  .offers-grid { grid-template-columns: 1fr; }
  .clients-card { padding: 24px 20px; }
  .logos { justify-content: center; gap: 18px 28px; }
  .avatar-wrap { width: 300px; }
  .avatar-halo { width: 380px; height: 380px; }
  .card-product { right: -10px; }
  .card-greet { right: 0; }
  .not-card, .final-card { padding: 40px 24px; }
  .cookie-banner { left: 10px; right: 10px; bottom: 10px; }
  .cookie-banner-inner { padding: 16px; gap: 14px; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; justify-content: center; }
  .cookie-panel-card { padding: 24px; }
  .cookie-panel-actions .btn { flex: 1 1 100%; }
.hero-visual {
  min-height: 500px;
  margin-top: 10px;
}

.avatar-wrap {
  width: 300px;
  z-index: 1;
}

.card-product {
  display: none;
}

.card-greet {
  top: 6%;
  right: 4%;
  max-width: 260px;
}

.card-lead {
  bottom: 18%;
  right: 4%;
  max-width: 240px;
}

.card-lang {
  bottom: 8%;
  left: 6%;
}}