/* ============================================================
   DIGITAL POWER — Landing page one-page (vibe coding)
   Charte : --navy #0A1F44 · --blue #1F6FEB · --orange #FF7A18 · --ice #F3F7FD
   Typo   : Sora 800 (titres) · DM Sans 16-17px (texte), repli Arial
   ============================================================ */

:root {
  --navy: #0A1F44;
  --blue: #1F6FEB;
  --orange: #FF7A18;
  --ice: #F3F7FD;
  --white: #ffffff;
  --radius-card: 20px;
  --radius-btn: 999px;
  --shadow: 0 12px 32px rgba(10, 31, 68, 0.10);
  --shadow-hover: 0 16px 40px rgba(10, 31, 68, 0.16);
  --transition: 0.2s ease;
  --maxw: 1080px;
  --font-title: "Sora", Arial, sans-serif;
  --font-body: "DM Sans", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--navy);
  background: var(--ice);
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-title); font-weight: 800; line-height: 1.18; }
h1 { font-size: clamp(2rem, 5.2vw, 3.25rem); }   /* 52 px desktop */
h2 { font-size: clamp(1.6rem, 3.6vw, 2.25rem); } /* 36 px desktop */
h3 { font-size: 1.25rem; }                        /* 20 px */

a { color: var(--blue); transition: color var(--transition); }
a:hover { color: var(--orange); }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }

.container { width: min(var(--maxw), 92%); margin-inline: auto; }
section { padding: 64px 0; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

/* ---------- Barre de progression de lecture ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 4px; width: 0;
  background: var(--orange); z-index: 200;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-btn);
  font-family: var(--font-title); font-weight: 800; font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}
.btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.btn-orange { background: var(--orange); color: var(--navy); }
.btn-orange:hover { background: #ff8c3a; color: var(--navy); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.55); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.1); color: var(--white); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-small { padding: 10px 20px; font-size: 0.85rem; }

/* ---------- En-tête fixe ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 150;
  background: var(--navy);
  border-bottom: 2px solid rgba(255, 255, 255, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; }
.logo { font-family: var(--font-title); font-weight: 800; font-size: 1.2rem; color: var(--white); letter-spacing: 0.06em; white-space: nowrap; }
.logo .power { color: var(--orange); }
.main-nav ul { display: flex; gap: 26px; }
.main-nav a { color: #dbe7f8; font-size: 0.95rem; font-weight: 500; padding: 6px 2px; position: relative; }
.main-nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--orange); transition: width var(--transition); }
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.icon-btn {
  position: relative; width: 42px; height: 42px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%; cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.icon-btn:hover { background: rgba(255, 255, 255, 0.18); transform: translateY(-2px); }
.icon-btn svg { width: 19px; height: 19px; stroke: var(--white); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn .badge-count {
  position: absolute; top: -4px; right: -4px;
  min-width: 18px; height: 18px; padding: 0 4px;
  display: grid; place-items: center;
  background: var(--orange); color: var(--navy);
  font-size: 0.68rem; font-weight: 800; border-radius: 999px;
}
.burger { display: none; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(560px 320px at 88% 8%, rgba(31, 111, 235, 0.35), transparent 65%),
    radial-gradient(460px 300px at 6% 92%, rgba(255, 122, 24, 0.16), transparent 60%),
    var(--navy);
  color: var(--white);
  padding: 150px 0 84px;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
  position: relative;
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 52px; align-items: center; position: relative; z-index: 2; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-title); font-weight: 800; font-size: 0.75rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 18px;
}
.hero h1 { color: var(--white); margin-bottom: 18px; }
.hero h1 .hl { color: var(--orange); }
.hero .lede { color: #c9d8ef; margin-bottom: 30px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-slogan { font-size: 0.9rem; color: #93a9c9; }
.hero-slogan strong { color: var(--white); }

/* Formes flottantes */
.shape { position: absolute; border-radius: 50%; z-index: 1; opacity: 0.5; }
.shape.s1 { width: 190px; height: 190px; background: var(--blue); top: -60px; right: 12%; filter: blur(4px); animation: float 9s ease-in-out infinite; }
.shape.s2 { width: 90px; height: 90px; background: var(--orange); bottom: 12%; left: 4%; animation: float 7s ease-in-out infinite reverse; }
.shape.s3 { width: 26px; height: 26px; background: var(--white); top: 30%; left: 46%; opacity: 0.25; animation: float 5s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-22px); } }

/* Fenêtre navigateur animée */
.browser {
  background: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  color: var(--navy);
}
.browser-bar { display: flex; align-items: center; gap: 10px; background: #e8eef8; padding: 12px 16px; border-bottom: 2px solid #d7e1f2; }
.browser-bar .dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.d1 { background: #ff5f57; } .dot.d2 { background: #febc2e; } .dot.d3 { background: #28c840; }
.browser-bar .url { flex: 1; background: var(--white); border-radius: 999px; font-size: 0.75rem; padding: 6px 14px; color: #5a6f8f; }
.browser-body { padding: 20px; min-height: 300px; position: relative; }
.prompt-line { font-size: 0.95rem; min-height: 3.2em; }
.prompt-line .typed::after {
  content: ""; display: inline-block; width: 9px; height: 1.15em;
  background: var(--orange); margin-left: 2px; vertical-align: text-bottom;
  animation: blink 0.9s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.prompt-tag { font-family: var(--font-title); font-weight: 800; font-size: 0.7rem; letter-spacing: 0.14em; color: var(--blue); text-transform: uppercase; margin-bottom: 8px; }
.generated-site { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; margin-top: 16px; }
.generated-site.show { opacity: 1; transform: none; }
.gs-hero { height: 74px; border-radius: 12px; background: linear-gradient(120deg, var(--blue), var(--navy)); display: grid; place-items: center; color: var(--white); font-family: var(--font-title); font-weight: 800; font-size: 0.85rem; }
.gs-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.gs-card { height: 52px; border-radius: 10px; background: var(--ice); border: 2px solid #dce7f7; }
.gs-card:nth-child(2) { border-color: var(--orange); }
.gs-btn { margin-top: 12px; display: inline-block; background: var(--orange); color: var(--navy); font-family: var(--font-title); font-weight: 800; font-size: 0.75rem; border-radius: 999px; padding: 8px 18px; }

/* ---------- Réassurance ---------- */
.reassure { padding: 44px 0; }
.reassure-row { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 34px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); border: 2px solid #dbe6f6;
  border-radius: var(--radius-btn); padding: 10px 20px;
  font-family: var(--font-title); font-weight: 800; font-size: 0.85rem;
}
.pill .star { color: var(--orange); }
.trust-logos { text-align: center; }
.trust-logos p { font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase; color: #6b7f9e; font-family: var(--font-title); font-weight: 800; margin-bottom: 18px; }
.logo-slots { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.logo-slot {
  width: 150px; height: 58px; border: 2px dashed #c3d3ea; border-radius: 14px;
  display: grid; place-items: center; color: #9fb2cd; font-size: 0.75rem;
}

/* ---------- Titrage ---------- */
.section-head { text-align: center; margin-bottom: 44px; }
.kicker { font-family: var(--font-title); font-weight: 800; font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--orange); margin-bottom: 10px; }
.section-head p.sub { color: #44587a; max-width: 640px; margin: 12px auto 0; }

/* ---------- Méthode ---------- */
.method { background: var(--white); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
  background: var(--ice); border: 2px solid #dbe6f6; border-radius: var(--radius-card);
  padding: 26px 22px; cursor: pointer; position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.step-card.selected, .step-card:focus-visible { border-color: var(--orange); }
.step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: var(--white);
  font-family: var(--font-title); font-weight: 800;
  display: grid; place-items: center; margin-bottom: 16px;
}
.step-card:nth-child(even) .step-num { background: var(--blue); }
.step-card h3 { margin-bottom: 8px; }
.step-card p { font-size: 0.92rem; color: #44587a; margin-bottom: 14px; }
.copy-hint { font-size: 0.78rem; font-weight: 700; color: var(--blue); }
.step-card.selected .copy-hint { color: var(--orange); }

/* ---------- Avantages ---------- */
.counters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 56px; }
.counter-card {
  background: var(--navy); color: var(--white);
  border-radius: var(--radius-card); border: 2px solid var(--navy);
  padding: 30px 20px; text-align: center;
}
.counter-card .num { font-family: var(--font-title); font-weight: 800; font-size: 2.6rem; color: var(--orange); }
.counter-card .unit { font-family: var(--font-title); font-weight: 800; font-size: 1.1rem; }
.counter-card .lbl { font-size: 0.9rem; color: #b9c9e2; margin-top: 6px; }
.why-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 56px; }
.why-item {
  background: var(--white); border: 2px solid #dbe6f6; border-radius: 16px;
  padding: 18px 14px; text-align: center;
  font-family: var(--font-title); font-weight: 800; font-size: 0.88rem;
  transition: transform var(--transition), border-color var(--transition);
}
.why-item:hover { transform: translateY(-3px); border-color: var(--blue); }
.why-item .tick { display: block; color: var(--orange); font-size: 1.2rem; margin-bottom: 6px; }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.benefit-card {
  background: var(--white); border: 2px solid #dbe6f6; border-radius: var(--radius-card);
  padding: 28px 24px; display: flex; flex-direction: column; gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.benefit-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--blue); }
.benefit-card img { width: 150px; margin-inline: auto; }
.benefit-card h3 { text-align: center; }
.benefit-card p { font-size: 0.93rem; color: #44587a; text-align: center; }

/* ---------- Consignes (À faire / À éviter + checklist) ---------- */
.guides { background: var(--white); }
.guides-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 44px; }
.guide-card { border: 2px solid #dbe6f6; border-radius: var(--radius-card); padding: 28px; background: var(--ice); }
.guide-card.do { border-color: var(--blue); }
.guide-card.dont { border-color: var(--orange); }
.guide-card h3 { margin-bottom: 16px; }
.guide-card li { padding-left: 28px; position: relative; margin-bottom: 10px; font-size: 0.95rem; }
.guide-card.do li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }
.guide-card.dont li::before { content: "✕"; position: absolute; left: 0; color: var(--orange); font-weight: 800; }
.checklist-box {
  background: var(--navy); color: var(--white);
  border-radius: var(--radius-card); padding: 34px 32px;
}
.checklist-box h3 { color: var(--white); margin-bottom: 6px; }
.checklist-box .sub { color: #b9c9e2; font-size: 0.9rem; margin-bottom: 22px; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 26px; }
.check-list label {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.92rem; cursor: pointer; color: #dbe7f8;
}
.check-list input { width: 20px; height: 20px; accent-color: var(--orange); margin-top: 2px; flex-shrink: 0; }
.check-list label.checked { color: var(--white); }
.score-wrap { margin-top: 26px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.score-bar { flex: 1; min-width: 200px; height: 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.15); overflow: hidden; }
.score-fill { height: 100%; width: 0; background: var(--orange); border-radius: 999px; transition: width 0.4s ease; }
.score-txt { font-family: var(--font-title); font-weight: 800; color: var(--orange); white-space: nowrap; }

/* ---------- Témoignages ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testi-card {
  background: var(--white); border: 2px dashed #c3d3ea; border-radius: var(--radius-card);
  padding: 34px 26px; text-align: center; color: #6b7f9e;
  transition: transform var(--transition), border-color var(--transition);
}
.testi-card:hover { transform: translateY(-3px); border-color: var(--blue); }
.testi-card .quote { font-size: 2rem; color: var(--blue); font-family: var(--font-title); font-weight: 800; }
.testi-card p { font-size: 0.92rem; margin-top: 8px; }
.testi-link { text-align: center; margin-top: 26px; }

/* ---------- Contact / CTA final ---------- */
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 26px; align-items: stretch; }
.contact-card { background: var(--navy); color: var(--white); border-radius: var(--radius-card); padding: 38px 34px; }
.contact-card h3 { color: var(--white); margin-bottom: 12px; }
.contact-card p { color: #b9c9e2; font-size: 0.95rem; margin-bottom: 22px; }
.newsletter-card { background: var(--ice); border: 2px solid #dbe6f6; border-radius: var(--radius-card); padding: 38px 34px; }
.newsletter-card h3 { margin-bottom: 12px; }
.newsletter-card p { font-size: 0.92rem; color: #44587a; margin-bottom: 20px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-family: var(--font-title); font-weight: 800; font-size: 0.8rem; margin-bottom: 6px; }
.field input {
  width: 100%; padding: 13px 16px; font-family: var(--font-body); font-size: 0.95rem;
  border: 2px solid #c3d3ea; border-radius: 12px; background: var(--white); color: var(--navy);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.15); }
.form-msg { display: none; margin-top: 12px; font-size: 0.88rem; font-weight: 700; }
.form-msg.ok { display: block; color: #0d7a3f; }
.form-msg.err { display: block; color: #c2310c; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--navy); color: #b9c9e2; padding: 56px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; padding-bottom: 36px; }
.footer-brand .logo { margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 0.9rem; max-width: 300px; }
.footer-col h4 { font-family: var(--font-title); color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #b9c9e2; font-size: 0.9rem; }
.footer-col a:hover { color: var(--orange); }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.2); border-radius: 50%;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.socials a:hover { background: var(--orange); border-color: var(--orange); transform: translateY(-3px); }
.socials svg { width: 15px; height: 15px; fill: #dbe7f8; }
.socials a:hover svg { fill: var(--navy); }
.footer-bottom { border-top: 2px solid rgba(255, 255, 255, 0.1); padding-top: 22px; font-size: 0.82rem; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* ---------- Widgets flottants ---------- */
.chat-bubble {
  position: fixed; right: 22px; bottom: 22px; z-index: 160;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--orange); color: var(--navy);
  border: none; border-radius: var(--radius-btn); padding: 14px 22px;
  font-family: var(--font-title); font-weight: 800; font-size: 0.88rem;
  cursor: pointer; box-shadow: 0 14px 30px rgba(255, 122, 24, 0.4);
  transition: transform var(--transition);
}
.chat-bubble:hover { transform: translateY(-3px); }
.chat-panel {
  position: fixed; right: 22px; bottom: 84px; z-index: 160;
  width: min(320px, calc(100vw - 44px));
  background: var(--white); border: 2px solid #dbe6f6; border-radius: 18px;
  box-shadow: var(--shadow-hover); padding: 22px;
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.chat-panel.open { opacity: 1; visibility: visible; transform: none; }
.chat-panel h4 { font-family: var(--font-title); font-weight: 800; margin-bottom: 6px; }
.chat-panel p { font-size: 0.88rem; color: #44587a; margin-bottom: 14px; }
.chat-panel .chat-msg { background: var(--ice); border-radius: 12px; padding: 12px 14px; font-size: 0.85rem; margin-bottom: 12px; }

.back-top {
  position: fixed; left: 22px; bottom: 22px; z-index: 160;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy); color: var(--white); border: 2px solid var(--blue);
  font-size: 1.1rem; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s, background var(--transition);
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--blue); }

/* ---------- Bandeau cookies ---------- */
.cookie-banner {
  position: fixed; left: 50%; transform: translateX(-50%) translateY(140%);
  bottom: 22px; z-index: 170;
  width: min(720px, calc(100vw - 44px));
  background: var(--navy); color: #dbe7f8;
  border: 2px solid var(--blue); border-radius: 18px; padding: 22px 26px;
  box-shadow: 0 20px 50px rgba(10, 31, 68, 0.45);
  transition: transform 0.4s ease;
}
.cookie-banner.show { transform: translateX(-50%) translateY(0); }
.cookie-banner h4 { font-family: var(--font-title); color: var(--white); margin-bottom: 6px; }
.cookie-banner p { font-size: 0.85rem; margin-bottom: 14px; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-prefs { display: none; margin-top: 12px; font-size: 0.85rem; }
.cookie-prefs.open { display: block; }
.cookie-prefs label { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.cookie-prefs input { accent-color: var(--orange); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; top: 92px; left: 50%; transform: translateX(-50%) translateY(-16px);
  background: var(--navy); color: var(--white); border: 2px solid var(--orange);
  border-radius: 999px; padding: 12px 24px; z-index: 180;
  font-family: var(--font-title); font-weight: 800; font-size: 0.85rem;
  opacity: 0; visibility: hidden; transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- Animations au scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.12s; }
.reveal.d2 { transition-delay: 0.24s; }
.reveal.d3 { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .shape, .prompt-line .typed::after { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .why-list { grid-template-columns: repeat(3, 1fr); }
  .benefits-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .browser { max-width: 560px; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed; top: 70px; left: 0; right: 0;
    background: var(--navy); border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-130%); transition: transform 0.3s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }
  .main-nav.open { transform: none; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 10px 5%; }
  .main-nav li { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
  .main-nav a { display: block; padding: 14px 0; }
  .burger {
    display: grid; place-items: center;
    width: 42px; height: 42px; border-radius: 10px;
    background: rgba(255, 255, 255, 0.08); border: 2px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
  }
  .burger span { display: block; width: 20px; height: 2px; background: var(--white); margin: 3px 0; transition: var(--transition); }
  .burger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
  .header-cta { display: none; }
  .contact-grid, .guides-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 44px 0; }
  .hero { padding: 120px 0 60px; }
  .steps-grid, .benefits-grid, .testi-grid { grid-template-columns: 1fr; }
  .why-list { grid-template-columns: repeat(2, 1fr); }
  .counters { grid-template-columns: 1fr; }
  .chat-bubble span.txt { display: none; }
  .chat-bubble { padding: 16px; }
}