html, div, span, iframe,
h1, h2, h3, p, blockquote, pre,
a, em, img, small, strong,
b, u, i,
dl, dt, dd, ol, ul, li,
form, label,
article, aside, canvas, details, embed,
footer, header,
menu, nav, output, section {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  font: inherit;
  line-height: 1.4em; }

html {
  box-sizing: border-box; }

*, *:before, *:after {
  box-sizing: inherit; }

:root {
  --accent: #e3342f;
  --accent-dark: #c62828;
  --ink: #283039;
  --muted: #6b7280;
  --border: #e5e7eb;
  --surface: #f9fafb; }

body {
  margin: 0;
  font-family: "Open Sans", "Helvetica", "Arial", sans-serif;
  font-weight: 300;
  color: var(--ink);
  line-height: 1; }

a {
  text-decoration: none;
  color: var(--accent); }

a:hover {
  color: var(--accent-dark); }

ol, ul {
  list-style: none; }

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block; }

img {
  max-width: 100%; }

strong, b {
  font-weight: 600; }

.container {
  width: 100%;
  max-width: 960px;
  padding: 0 20px;
  margin: 0 auto; }

/* ---- En-tête ---- */

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  font-size: 17px; }

.brand:hover {
  color: var(--ink); }

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%; }

.header-cta {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: 6px;
  padding: 10px 18px; }

.header-cta:hover {
  color: #fff;
  background: var(--accent-dark); }

/* ---- Héros ---- */

.hero {
  text-align: center;
  padding: 70px 0 60px; }

.hero h1 {
  font-size: 44px;
  font-weight: 600;
  line-height: 1.15em;
  margin: 0 auto 18px;
  max-width: 720px; }

.hero .tagline {
  font-size: 22px;
  font-weight: 300;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto; }

.hero .badge {
  display: inline-block;
  margin-top: 36px; }

.hero .badge img {
  height: 64px; }

.hero .note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted); }

/* ---- Fonctionnalités ---- */

.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0; }

.features h2,
.screens h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 40px; }

.features ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px; }

.features li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px; }

.features li h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent); }

.features li p {
  font-size: 14px;
  color: var(--muted); }

/* ---- Captures d'écran ---- */

.screens {
  padding: 60px 0; }

.screens .shots {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 24px; }

.screens img {
  width: 210px;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(40, 48, 57, 0.12); }

/* ---- Appel final ---- */

.cta-final {
  text-align: center;
  background: var(--accent);
  color: #fff;
  padding: 56px 20px; }

.cta-final h2 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 24px; }

.cta-final img {
  height: 58px; }

/* ---- Pied de page ---- */

footer {
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  padding: 28px 0;
  text-align: center; }

footer ul li {
  display: inline-block;
  padding: 0 12px; }

/* ---- Responsive ---- */

@media (max-width: 760px) {
  .hero {
    padding: 48px 0 44px; }

  .hero h1 {
    font-size: 30px; }

  .hero .tagline {
    font-size: 17px; }

  .features ul {
    grid-template-columns: 1fr; }

  .screens .shots {
    flex-wrap: wrap; }

  .screens img {
    width: 200px; } }