/* =========================
   RESET & BASE
   ========================= */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  background-color: #0b0c0f;
  color: #e6e6e6;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* =========================
   HEADER & NAV
   ========================= */

header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(11, 12, 15, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

nav ul {
  display: flex;
  gap: 22px;
}

nav ul li a {
  font-size: 0.9rem;
  color: rgba(230, 230, 230, 0.8);
}

nav ul li a:hover {
  color: #ffffff;
}

.mobile-menu {
  display: none;
  font-size: 1.4rem;
  cursor: pointer;
}

/* =========================
   HERO – BRASERO
   ========================= */

.hero.hero-feu {
  position: relative;
  min-height: 85vh;
  padding: 120px 20px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("images/brasero.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #0b0c0f;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.8) 70%, rgba(0,0,0,0.9) 100%),
    linear-gradient(to bottom, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.55) 40%, rgba(0,0,0,0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  text-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.hero-content p {
  max-width: 720px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  color: rgba(230, 230, 230, 0.85);
  text-shadow: 0 8px 22px rgba(0,0,0,0.5);
}

.cta {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  backdrop-filter: blur(6px);
  transition: all 0.15s ease;
}

.cta:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

/* =========================
   SECTIONS GÉNÉRALES
   ========================= */

section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 90px 20px;
}

.section-alt {
  background-color: #111216;
}

h2 {
  font-size: 1.9rem;
  margin-bottom: 30px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.2rem;
  margin: 32px 0 12px;
}

p {
  margin-bottom: 18px;
  color: rgba(230, 230, 230, 0.85);
}

/* =========================
   QUOTES
   ========================= */

.quote {
  margin: 40px 0;
  padding-left: 20px;
  border-left: 2px solid rgba(255, 255, 255, 0.2);
  font-style: italic;
  color: rgba(230, 230, 230, 0.75);
}

/* =========================
   PRINCIPES
   ========================= */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.principle-title {
  font-weight: 600;
  margin-bottom: 8px;
}

/* =========================
   LISTES
   ========================= */

.not-for ul,
.for-list {
  margin-top: 18px;
  padding-left: 18px;
}

.not-for ul li,
.for-list li {
  margin-bottom: 10px;
  list-style: disc;
  color: rgba(230, 230, 230, 0.8);
}

/* =========================
   CONTACT
   ========================= */

.contact-container {
  max-width: 600px;
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: rgba(230, 230, 230, 0.7);
}

input,
textarea {
  width: 100%;
  padding: 10px 12px;
  background: #0f1014;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-radius: 4px;
}

textarea {
  min-height: 120px;
}

button {
  margin-top: 12px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  cursor: pointer;
  border-radius: 999px;
}

button:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* =========================
   FOOTER
   ========================= */

footer {
  padding: 30px 20px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(230, 230, 230, 0.5);
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  section {
    padding: 70px 18px;
  }

  .hero.hero-feu {
    min-height: 78vh;
    padding: 110px 18px 70px;
  }
}


/* =========================
   HERO EN PLEINE LARGEUR
   ========================= */

section.hero {
  max-width: none;
  width: 100%;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
}

.hero-content {
  margin: 0 auto;
  padding: 0 20px;
}