@font-face {
  font-family: "Urbanist";
  src: url("fonts/Urbanist-Variable.woff") format("woff");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --cream: #f5f5f0;
  --green: #117300;
  --green-dark: #0c5200;
  --green-soft: #e4eedf;
  --ink: #1f2a1c;
  --muted: #5d6a58;
  --line: #d9dfd3;
  --white: #ffffff;
  --error: #b42318;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 300 17px/1.55 "Urbanist", system-ui, -apple-system, "Segoe UI", sans-serif;
}
img { max-width: 100%; display: block; }
h1, h2 { font-family: inherit; font-weight: 300; line-height: 1.12; margin: 0; letter-spacing: -0.02em; }
strong, b { font-weight: 500; }
.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--green) url("hero.jpg") center / cover no-repeat;
  color: var(--cream);
  text-align: center;
  padding: 44px 0 96px;
}
.hero-video {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.9);
}
.hero-tint {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(17,115,0,.50) 0%, rgba(17,115,0,.62) 60%, rgba(12,82,0,.78) 100%);
}
.hero-inner { position: relative; z-index: 1; text-shadow: 0 1px 18px rgba(8,50,0,.35); }
.logo {
  margin: 0 auto 20px;
  width: 200px;
  height: auto;
  filter: drop-shadow(0 4px 14px rgba(8,50,0,.35));
}
.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 14px;
  border: 1px solid rgba(245,245,240,.45);
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero h1 { font-size: clamp(34px, 6.8vw, 56px); font-weight: 300; }
.lead { max-width: 540px; margin: 16px auto 0; font-size: 18px; opacity: .9; }

/* flocons discrets */
.snow, .snow::before, .snow::after {
  position: absolute; inset: 0; pointer-events: none; opacity: .55;
  background-image:
    radial-gradient(circle, rgba(245,245,240,.55) 1.5px, transparent 2px),
    radial-gradient(circle, rgba(245,245,240,.35) 1px, transparent 1.5px);
  background-size: 90px 90px, 55px 55px;
  background-position: 0 0, 25px 35px;
}
.snow::before, .snow::after { content: ""; }
.snow::before { background-size: 130px 130px, 70px 70px; background-position: 40px 20px, 10px 60px; opacity: .6; }
@media (prefers-reduced-motion: no-preference) {
  .snow { animation: fall 18s linear infinite; }
  .snow::before { animation: fall 28s linear infinite; }
}
@keyframes fall { to { background-position: 0 900px, 25px 935px; } }

/* ---------- Étapes ---------- */
.steps {
  list-style: none; margin: -58px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  position: relative; z-index: 2;
}
.steps li {
  background: var(--white);
  border-radius: 14px;
  padding: 16px 14px;
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15px; line-height: 1.35;
  box-shadow: 0 6px 20px rgba(17,115,0,.08);
}
.steps span {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--green); color: var(--cream);
  font-weight: 500; font-size: 15px;
}
.steps strong { color: var(--green); }

/* ---------- Carte formulaire ---------- */
.card {
  margin: 22px 0 0;
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 32px 30px;
  box-shadow: 0 12px 40px rgba(17,115,0,.08);
  scroll-margin-top: 20px;
}
.card h2 { font-size: 30px; color: var(--green); }
.muted { color: var(--muted); margin: 6px 0 22px; font-size: 15px; }

.alert {
  background: #fdecea; color: var(--error);
  border-radius: 12px; padding: 12px 16px; margin-bottom: 20px;
  font-weight: 500; font-size: 15px;
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 16px; }
.full { grid-column: 1 / -1; }
.field label, .field .label { display: block; font-weight: 500; font-size: 15px; margin-bottom: 7px; }
.field small { display: block; color: var(--error); margin-top: 6px; font-size: 14px; font-weight: 400; }

input[type=text], input[type=email], input[type=tel], select {
  width: 100%;
  font: inherit; color: var(--ink);
  background: var(--cream);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 13px 15px;
  transition: border-color .15s, box-shadow .15s, background .15s;
  -webkit-appearance: none; appearance: none;
}
input::placeholder { color: #9aa494; }
input:focus, select:focus {
  outline: none; background: var(--white);
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(17,115,0,.14);
}
.has-error input, .has-error select, .has-error .drop { border-color: var(--error); }

.select { position: relative; }
.select::after {
  content: ""; position: absolute; right: 17px; top: 50%;
  width: 9px; height: 9px; margin-top: -7px;
  border-right: 2px solid var(--green); border-bottom: 2px solid var(--green);
  transform: rotate(45deg); pointer-events: none;
}
select { padding-right: 44px; cursor: pointer; }

/* Zone fichier */
.field .drop {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; text-align: center;
  min-height: 150px; padding: 22px;
  border: 2px dashed #b9c9b1; border-radius: 14px;
  background: var(--cream);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.drag { border-color: var(--green); background: var(--green-soft); }
.drop:focus-within { border-color: var(--green); box-shadow: 0 0 0 4px rgba(17,115,0,.14); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-icon { color: var(--green); }
.drop-text { font-size: 16px; word-break: break-word; }
.drop-text strong { color: var(--green); }
.drop-hint { font-size: 13px; color: var(--muted); }
.drop.has-file { border-style: solid; border-color: var(--green); background: var(--green-soft); }
.drop.has-file .drop-icon { display: none; }
#preview { max-height: 180px; width: auto; border-radius: 8px; margin-bottom: 6px; box-shadow: 0 4px 14px rgba(0,0,0,.12); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Boutons */
.btn {
  display: block; width: 100%;
  margin-top: 26px;
  font: 500 18px/1 "Urbanist", system-ui, sans-serif;
  letter-spacing: .01em;
  color: var(--cream); background: var(--green);
  border: 0; border-radius: 999px;
  padding: 19px 28px;
  cursor: pointer; text-decoration: none; text-align: center;
  box-shadow: 0 8px 22px rgba(17,115,0,.28);
  transition: background .15s, transform .15s, box-shadow .15s;
}
.btn:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
.btn:disabled { opacity: .7; cursor: wait; transform: none; }
.btn-ghost {
  display: inline-block; width: auto; margin-top: 18px;
  background: transparent; color: var(--green);
  border: 2px solid var(--green); box-shadow: none; font-size: 16px; padding: 14px 24px;
}
.btn-ghost:hover { background: var(--green); color: var(--cream); }
.legal { margin: 14px 0 0; text-align: center; font-size: 13px; color: var(--muted); }

/* Merci */
.thanks { text-align: center; padding: 18px 0 8px; }
.thanks p { color: var(--muted); max-width: 440px; margin: 12px auto 0; }
.check {
  width: 68px; height: 68px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--green); color: var(--cream);
}

/* Footer */
.footer { margin-top: 56px; padding: 28px 0 36px; border-top: 1px solid var(--line); }
.footer .wrap { display: flex; align-items: center; gap: 14px; justify-content: center; }
.footer img { width: 70px; height: auto; }
.footer p { margin: 0; font-size: 14px; color: var(--muted); }

/* Mobile */
@media (max-width: 640px) {
  .hero { padding: 32px 0 84px; }
  .logo { width: 160px; }
  .steps { grid-template-columns: 1fr; gap: 8px; }
  .steps li { padding: 12px 14px; align-items: center; }
  .card { padding: 26px 18px 22px; }
  .grid { grid-template-columns: 1fr; }
  .card h2 { font-size: 26px; }
}