/* iWin Softwares — feuille de style principale */
:root {
  --navy: #0b1020;
  --navy-2: #121a36;
  --ink: #0f172a;
  --text: #22304a;
  --muted: #5f6b82;
  --line: #e4e8f0;
  --paper: #ffffff;
  --alt: #f5f7fb;
  --blue: #1f8fe5;
  --pink: #d5124f;
  --orange: #f4901e;
  --grad: linear-gradient(90deg, var(--blue) 0%, var(--pink) 55%, var(--orange) 100%);
  --radius: 18px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 30px 60px rgba(11, 16, 32, .25);
  --container: 1180px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.15; letter-spacing: -.02em; color: var(--ink); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 700; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; }
.section-alt { background: var(--alt); }
.section-dark { background: var(--navy); color: #c9d1e3; }
.section-dark .h2, .section-dark h3 { color: #fff; }
.section-dark .lead { color: #aeb8cf; }

.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--pink); margin: 0 0 14px;
}
.eyebrow-light { color: var(--orange); }
.h2 { font-size: clamp(30px, 4.2vw, 44px); font-weight: 800; max-width: 22ch; }
.lead { font-size: 19px; color: var(--muted); max-width: 62ch; margin-bottom: 44px; }
.grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tags { font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: .02em; margin: 0; }

.skip { position: absolute; left: -9999px; top: 8px; background: #fff; padding: 8px 12px; z-index: 999; }
.skip:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s;
  white-space: nowrap; font-family: inherit; line-height: 1.2;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  color: #fff; background: var(--pink);
  background-image: linear-gradient(90deg, #e0164f, #f0552f);
  box-shadow: 0 10px 24px rgba(213, 18, 79, .28);
}
.btn-primary:hover { box-shadow: 0 14px 30px rgba(213, 18, 79, .38); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.btn-outline { color: var(--ink); border-color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(11, 16, 32, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; }
.brand-mark { width: 44px; height: 44px; border-radius: 10px; background: #fff; padding: 4px; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.brand-name span { font-weight: 500; opacity: .8; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav > a:not(.btn) { color: #d6dcea; font-weight: 600; font-size: 15px; transition: color .15s; }
.nav > a:not(.btn):hover { color: #fff; }
.lang-switch { display: flex; gap: 2px; border: 1px solid rgba(255, 255, 255, .15); border-radius: 999px; padding: 3px; }
.lang-switch a { font-size: 12px; font-weight: 700; padding: 5px 9px; border-radius: 999px; color: #aeb8cf; }
.lang-switch a.is-active { background: #fff; color: var(--navy); }
.burger { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; align-items: center; }
.burger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; background: var(--navy); color: #c9d1e3;
  padding: 96px 0 110px; min-height: min(calc(100vh - var(--header-h)), 780px);
  display: flex; align-items: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; pointer-events: none; }
.hero-glow-a { width: 520px; height: 520px; left: -140px; top: -120px; background: radial-gradient(circle, #1f8fe5, transparent 65%); }
.hero-glow-b { width: 600px; height: 600px; right: -160px; bottom: -220px; background: radial-gradient(circle, #d5124f 0%, #f4901e 40%, transparent 70%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.6vw, 66px); font-weight: 800; color: #fff; margin-bottom: 22px; }
.hero-sub { font-size: 19px; max-width: 56ch; color: #b7c0d6; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: 14px; font-weight: 600; color: #aeb8cf; }
.hero-proof li { display: flex; align-items: center; gap: 8px; }
.hero-proof li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--grad); }

.hero-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius); padding: 22px 24px 20px; box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}
.hero-card-head { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-a { background: var(--pink); } .dot-b { background: var(--orange); } .dot-c { background: var(--blue); }
.hero-card-title { margin-left: 10px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #aeb8cf; }
.check-list li { position: relative; padding-left: 30px; margin-bottom: 12px; color: inherit; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--grad);
}
.check-list li::after {
  content: ""; position: absolute; left: 6px; top: 8px; width: 5px; height: 9px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.hero-card .check-list li { color: #e3e8f3; }
.hero-card-foot { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .1); }
.hero-card-foot img { border-radius: 8px; background: #fff; padding: 3px; }
.hero-card-foot strong { display: block; color: #fff; font-size: 15px; }
.hero-card-foot span { font-size: 13px; color: #aeb8cf; }

/* ---------- Logos ---------- */
.logos { padding: 40px 0; border-bottom: 1px solid var(--line); background: #fff; }
.logos-title { text-align: center; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 26px; }
.logos-track { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 26px 44px; }
.logos-track img { height: 34px; width: auto; max-width: 140px; object-fit: contain; filter: grayscale(1); opacity: .6; transition: filter .2s, opacity .2s; }
.logos-track img:hover { filter: none; opacity: 1; }

/* ---------- Pain ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 36px 0 34px; }
.pain-card {
  margin: 0; padding: 26px 28px; border-radius: var(--radius); background: var(--alt);
  border-left: 4px solid; border-image: var(--grad) 1; font-size: 19px; font-weight: 600; color: var(--ink); line-height: 1.45;
}
.pain-answer { font-size: 22px; font-weight: 700; color: var(--ink); max-width: 40ch; }

/* ---------- Cards / grids ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px;
  transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon { width: 40px; height: 40px; color: var(--pink); margin-bottom: 16px; }
.card h3 { font-size: 20px; }
.card p { color: var(--muted); font-size: 15.5px; }
.card .tags { margin-top: auto; padding-top: 10px; }

/* ---------- Case studies ---------- */
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.case:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-visual { padding: 28px 28px 0; height: 210px; overflow: hidden; }
.case-visual-1 { background: linear-gradient(135deg, #1f8fe5, #6d4ed8); }
.case-visual-2 { background: linear-gradient(135deg, #d5124f, #f4901e); }
.case-visual-3 { background: linear-gradient(135deg, #f4901e, #ffb84d); }
.case-visual-4 { background: linear-gradient(135deg, #0f2a5f, #1f8fe5); }
.mock { background: #fff; border-radius: 12px 12px 0 0; height: 100%; box-shadow: 0 -10px 40px rgba(0,0,0,.2); overflow: hidden; }
.mock-bar { height: 26px; background: #f1f4f9; display: flex; gap: 6px; align-items: center; padding: 0 12px; }
.mock-bar i { width: 8px; height: 8px; border-radius: 50%; background: #d4d9e3; }
.mock-body { display: grid; grid-template-columns: 70px 1fr; gap: 14px; padding: 14px; }
.mock-side b { display: block; height: 8px; border-radius: 4px; background: #e6e9f0; margin-bottom: 10px; }
.mock-side b:first-child { background: var(--pink); width: 80%; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.mock-kpis span { height: 42px; border-radius: 8px; background: #f1f4f9; }
.mock-kpis span:first-child { background: linear-gradient(90deg, #1f8fe5, #d5124f); opacity: .85; }
.mock-rows span { display: block; height: 9px; border-radius: 4px; background: #eef1f6; margin-bottom: 9px; }
.mock-rows span:nth-child(2) { width: 85%; } .mock-rows span:nth-child(3) { width: 92%; } .mock-rows span:nth-child(4) { width: 70%; }
.case-body { padding: 26px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.case-sector { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--pink); margin-bottom: 8px; }
.case h3 { font-size: 22px; }
.case-body > p:not(.tags):not(.case-sector) { color: var(--muted); font-size: 15.5px; }
.case .tags { margin-top: auto; padding-top: 8px; }
.work-more { margin-top: 30px; font-size: 16px; color: var(--muted); max-width: 80ch; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 28px 24px 26px; border-radius: var(--radius); background: var(--navy-2); border: 1px solid rgba(255,255,255,.08); }
.step-n { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .1em; padding: 4px 10px; border-radius: 999px; background: var(--grad); color: #fff; margin-bottom: 16px; }
.step h3 { font-size: 20px; }
.step p { font-size: 15.5px; color: #aeb8cf; }
.step-meta { display: inline-block; font-size: 13px; font-weight: 700; color: var(--orange); }

/* ---------- Pricing ---------- */
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px 28px; display: flex; flex-direction: column; }
.plan-featured { border: 2px solid transparent; background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box; box-shadow: var(--shadow); }
.plan-badge { position: absolute; top: -14px; left: 28px; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; background: var(--grad); color: #fff; padding: 6px 12px; border-radius: 999px; }
.plan h3 { font-size: 18px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.plan-price { font-size: 30px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; margin-bottom: 6px; }
.plan-desc { color: var(--muted); font-weight: 600; margin-bottom: 20px; }
.plan .check-list { margin-bottom: 26px; flex: 1; }
.plan .check-list li { font-size: 15.5px; }
.pricing-run { margin-top: 28px; padding: 26px 30px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); display: grid; grid-template-columns: auto 1fr; gap: 10px 40px; align-items: center; }
.pricing-run h3 { font-size: 17px; margin: 0; }
.pricing-run ul { display: flex; flex-wrap: wrap; gap: 8px 32px; font-size: 15.5px; color: var(--muted); }

/* ---------- Estimator ---------- */
.estimator-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.estimator { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-lg); }
.estimator fieldset { border: 0; padding: 0; margin: 0 0 24px; }
.estimator legend { font-weight: 700; font-size: 15px; margin-bottom: 12px; color: #fff; padding: 0; }
.chip { display: inline-block; margin: 0 8px 8px 0; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip span { display: inline-block; padding: 9px 15px; border-radius: 999px; border: 1px solid rgba(255,255,255,.2); font-size: 14px; font-weight: 600; color: #d6dcea; transition: background .15s, border-color .15s, color .15s; }
.chip input:checked + span { background: #fff; color: var(--navy); border-color: #fff; }
.chip input:focus-visible + span { outline: 3px solid var(--blue); outline-offset: 2px; }
.est-result { display: grid; grid-template-columns: 1fr 1fr auto; gap: 20px; align-items: center; padding: 22px 24px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.est-label { display: block; font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #aeb8cf; margin-bottom: 4px; }
.est-price { font-size: 26px; font-weight: 800; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.est-time { font-size: 20px; font-weight: 700; }
.est-note { font-size: 13px; color: #aeb8cf; margin: 16px 0 0; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.about-visual { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.about-visual img { margin: 0 auto 28px; width: 200px; height: auto; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-stats div { padding: 16px; border-radius: 12px; background: var(--alt); }
.about-stats strong { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.about-stats span { font-size: 13.5px; color: var(--muted); font-weight: 600; }
.about-role { font-weight: 700; color: var(--pink); margin-bottom: 18px; }
.about-copy p:not(.eyebrow):not(.about-role):not(.tags) { color: var(--muted); }
.about-copy .tags { margin-top: 12px; }

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.faq-item { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq-item summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; font-weight: 700; font-size: 18px; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 26px; font-weight: 400; color: var(--pink); transition: transform .2s; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); margin: 0 0 20px; max-width: 70ch; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-direct { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #aeb8cf; margin: 26px 0 8px; }
.contact-line { display: block; font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.contact-line:hover { text-decoration: underline; text-decoration-color: var(--orange); }
.contact-city { color: #aeb8cf; margin-top: 12px; font-size: 15px; }
.contact-form { background: #fff; color: var(--text); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-lg); }
.contact-form label { display: block; margin-bottom: 16px; }
.contact-form label span { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid #cfd6e2; border-radius: 10px; background: #fff; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31, 143, 229, .15); }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; }
.contact-form .btn { width: 100%; }
.f-consent { font-size: 13px; color: var(--muted); margin: 14px 0 0; text-align: center; }
.f-feedback { display: none; margin-top: 18px; padding: 16px 18px; border-radius: 12px; font-size: 15px; }
.f-feedback.ok { display: block; background: #ecfdf3; color: #14532d; border: 1px solid #b7ebc6; }
.f-feedback.err { display: block; background: #fef2f2; color: #7f1d1d; border: 1px solid #fecaca; }
.f-feedback strong { display: block; font-size: 17px; margin-bottom: 4px; }
.contact-form.is-sent > *:not(.f-feedback) { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: #070b18; color: #aeb8cf; padding: 56px 0 26px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-tagline { margin-top: 16px; max-width: 40ch; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; padding-top: 22px; font-size: 13px; color: #7d889f; }

/* ---------- Legal page ---------- */
.legal { max-width: 760px; padding: 72px 20px; }
.legal h1 { font-size: 36px; margin-bottom: 30px; }
.legal h2 { font-size: 20px; margin-top: 32px; }
.legal p { color: var(--muted); }
.legal a { color: var(--pink); font-weight: 600; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .card:hover, .case:hover { transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 520px; }
  .estimator-wrap, .about-grid, .faq-wrap, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .pricing-run { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    flex-direction: column; align-items: stretch; gap: 6px; padding: 20px;
    background: var(--navy); border-top: 1px solid rgba(255,255,255,.08);
    transform: translateX(100%); visibility: hidden; transition: transform .25s ease, visibility 0s .25s; overflow-y: auto;
  }
  .nav.is-open { transform: none; visibility: visible; transition: transform .25s ease, visibility 0s; }
  .nav > a:not(.btn) { padding: 14px 8px; font-size: 18px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .lang-switch { align-self: flex-start; margin: 14px 8px; }
  .nav .btn { margin: 8px; }
  .burger { display: flex; }
  .brand-name span { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 72px; min-height: 0; }
  .hero h1 { font-size: clamp(34px, 9vw, 44px); }
  .hero-sub { font-size: 17px; }
  .hero-actions .btn { width: 100%; }
  .grid-4, .grid-3, .grid-2, .steps, .pain-grid { grid-template-columns: 1fr; }
  .pain-card { font-size: 17px; }
  .pain-answer { font-size: 19px; }
  .f-row { grid-template-columns: 1fr; gap: 0; }
  .est-result { grid-template-columns: 1fr; }
  .est-result .btn { width: 100%; }
  .estimator, .contact-form { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .logos-track { gap: 18px 28px; }
  .logos-track img { height: 26px; max-width: 110px; }
  .contact-line { font-size: 19px; word-break: break-all; }
}