:root {
  --color-black: #111111;
  --color-red: #C1121F;
  --color-white: #FFFFFF;
  --color-grey-900: #252525;
  --color-grey-700: #4A4A4A;
  --color-grey-190: #E1E1E1;
  --color-grey-300: #BDBDBD;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 32px;
  color: var(--color-white); background: var(--color-black);
  font: 15px/1.6 var(--font-body);
  background-image:
    linear-gradient(160deg, transparent 55%, rgba(0,0,0,.55)),
    repeating-linear-gradient(128deg, var(--color-grey-700) 0 1px, var(--color-black) 1px 15px);
}
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.carte { width: 100%; max-width: 460px; text-align: center; }
.marque { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 56px; font: 700 22px/1 var(--font-display); letter-spacing: -.05em; }
.alveole { width: 22px; height: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.alveole i { display: block; background: var(--color-white); }
.alveole i:nth-child(2), .alveole i:nth-child(5), .alveole i:nth-child(7) { background: var(--color-red); }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px; color: var(--color-red); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow svg { flex: none; }

h1 { margin: 0 0 16px; font: 700 clamp(30px, 5vw, 42px)/1.08 var(--font-display); letter-spacing: -.04em; }
p.intro { max-width: 380px; margin: 0 auto 40px; color: var(--color-grey-190); font-size: 15px; line-height: 1.7; }

form { display: flex; flex-direction: column; gap: 16px; align-items: center; }
input[name="code"] {
  width: 100%; max-width: 240px; padding: 15px; border: 1px solid var(--color-grey-700); border-radius: 7px;
  background: var(--color-grey-900); color: var(--color-white);
  font: 700 24px/1 var(--font-display); letter-spacing: .4em; text-align: center;
}
input[name="code"]::placeholder { color: var(--color-grey-700); letter-spacing: .4em; }
input[name="code"]:focus { outline: none; border-color: var(--color-red); }

button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 28px;
  border: 1px solid var(--color-red); border-radius: 7px; background: var(--color-red); color: var(--color-white);
  font: 800 13px var(--font-body); letter-spacing: .01em; cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}
button:hover { transform: translateY(-2px); background: var(--color-white); color: var(--color-black); border-color: var(--color-white); }

.erreur { margin: 0 0 4px; padding: 11px 16px; border: 1px solid rgba(193,18,31,.4); border-radius: 7px; background: rgba(193,18,31,.12); color: #FF6B6B; font-size: 13px; font-weight: 600; }

/* Ebook gratuit (groupe Facebook) — bloc secondaire sous le formulaire de code. */
.ebook { margin: 48px 0 0; padding: 26px 24px 22px; border: 1px solid var(--color-grey-700); border-radius: 12px; background: rgba(255,255,255,.04); text-align: left; }
.ebook-etiquette { display: inline-block; margin: 0 0 14px; padding: 5px 10px; border-radius: 99px; background: var(--color-red); color: var(--color-white); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.ebook h2 { margin: 0 0 10px; font: 700 21px/1.2 var(--font-display); letter-spacing: -.03em; }
.ebook-resume { margin: 0 0 16px; color: var(--color-grey-190); font-size: 14px; line-height: 1.65; }
.ebook-points { margin: 0 0 22px; padding: 0; list-style: none; display: grid; gap: 9px; }
.ebook-points li { position: relative; padding-left: 18px; color: var(--color-grey-190); font-size: 13px; line-height: 1.55; }
.ebook-points li::before { content: ''; position: absolute; left: 0; top: .5em; width: 7px; height: 7px; background: var(--color-red); }
.ebook-lien {
  display: flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px;
  border: 1px solid var(--color-red); border-radius: 7px; background: var(--color-red); color: var(--color-white);
  font: 800 13px var(--font-body); letter-spacing: .01em; text-align: center; text-decoration: none;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.ebook-lien:hover, .ebook-lien:focus-visible { transform: translateY(-2px); background: var(--color-white); color: var(--color-black); border-color: var(--color-white); }
.ebook-lien:focus-visible { outline: 2px solid var(--color-white); outline-offset: 3px; }
.ebook-note { margin: 12px 0 0; color: var(--color-grey-300); font-size: 12px; line-height: 1.5; text-align: center; }

footer { margin-top: 48px; color: var(--color-grey-300); font-size: 12px; }