/* =============================================
   DEBANETIK – Feuille de style principale
   ============================================= */

/* ---------- Variables ---------- */
:root {
  --bg-dark:     #0f172a;
  --bg-medium:   #1e293b;
  --bg-card:     #263248;
  --accent:      #3b82f6;
  --accent-dark: #2563eb;
  --accent-glow: rgba(59,130,246,.15);
  --text:        #f8fafc;
  --text-muted:  #94a3b8;
  --border:      rgba(255,255,255,.08);
  --radius:      12px;
  --radius-sm:   6px;
  --shadow:      0 4px 24px rgba(0,0,0,.4);
  --trans:       .2s ease;
  --font:        'Inter', system-ui, -apple-system, sans-serif;
  --header-h:    72px;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--trans); }
a:hover { color: #60a5fa; }
ul { list-style: none; }

/* ---------- Layout ---------- */
.container {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.container--narrow { max-width: 720px; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(15,23,42,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo { display: flex; align-items: center; gap: .5rem; }
.logo img { height: 48px; width: auto; }
.logo__text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
  background: linear-gradient(135deg, #fff 30%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav desktop */
.nav__list { display: flex; align-items: center; gap: 2rem; }
.nav__link {
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .02em;
  transition: color var(--trans);
}
.nav__link:hover { color: var(--text); }
.nav__link--cta {
  color: var(--text);
  background: var(--accent-dark);
  padding: .45rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.nav__link--cta:hover { background: #1d4ed8; color: #fff; }

/* Burger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.nav__toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: all var(--trans);
  cursor: pointer;
  border: none;
}
.btn--primary {
  background: var(--accent-dark);
  color: #fff;
}
.btn--primary:hover {
  background: #1d4ed8;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,130,246,.4);
}
.btn--full { width: 100%; justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  background: url('../img/hero-bg.jpg') center/cover no-repeat;
  background-color: var(--bg-dark);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.92) 0%, rgba(15,23,42,.7) 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding-block: 6rem;
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}
.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 500px;
}

/* ---------- Sections ---------- */
.section { padding-block: 5rem; }
.section--alt { background: var(--bg-medium); }

.eyebrow {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: .75rem;
}
h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}
.section__intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 3rem;
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}
.about__text p + p { margin-top: 1rem; }
.about__text p { color: var(--text-muted); }
.about__text strong { color: var(--text); }
.about__visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  text-align: center;
  min-width: 140px;
}
.about__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.about__label {
  font-size: .8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ---------- Cards (Services) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform var(--trans), border-color var(--trans), box-shadow var(--trans);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.card__icon {
  width: 56px; height: 56px;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .6rem;
}
.card p { color: var(--text-muted); font-size: .95rem; }

/* ---------- Features (Pourquoi nous) ---------- */
.features { display: flex; flex-direction: column; gap: 2rem; }
.feature {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--trans);
}
.feature:hover { border-color: var(--accent); }
.feature__num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  opacity: .4;
  line-height: 1;
  flex-shrink: 0;
  min-width: 3rem;
}
.feature h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .4rem; }
.feature p { color: var(--text-muted); font-size: .95rem; }

/* ---------- Form ---------- */
.form { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form__group { display: flex; flex-direction: column; gap: .4rem; }
.form__label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .02em;
}
.form__label span { color: var(--accent); }
.form__input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: .95rem;
  padding: .7rem 1rem;
  transition: border-color var(--trans), box-shadow var(--trans);
  -webkit-appearance: none;
  appearance: none;
}
.form__input::placeholder { color: var(--text-muted); opacity: .6; }
.form__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form__input:invalid:not(:placeholder-shown) { border-color: #ef4444; }
.form__textarea { resize: vertical; min-height: 130px; }
select.form__input { cursor: pointer; }
select.form__input option { background: var(--bg-medium); color: var(--text); }

/* RGPD checkbox */
.form__group--check {
  flex-direction: row;
  align-items: flex-start;
  gap: .75rem;
}
.form__group--check input[type="checkbox"] {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: .1rem;
  accent-color: var(--accent);
  cursor: pointer;
}
.form__group--check label {
  font-size: .85rem;
  color: var(--text-muted);
  cursor: pointer;
}
.form__group--check label a { text-decoration: underline; color: #60a5fa; }

/* Form status */
.form__status {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  display: none;
}
.form__status.success {
  display: block;
  background: rgba(34,197,94,.15);
  border: 1px solid rgba(34,197,94,.3);
  color: #86efac;
}
.form__status.error {
  display: block;
  background: rgba(239,68,68,.15);
  border: 1px solid rgba(239,68,68,.3);
  color: #fca5a5;
}

/* ---------- Footer ---------- */
.footer {
  background: #080f1e;
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer__brand {
  font-weight: 800;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #fff 30%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer__copy { color: var(--text-muted); font-size: .85rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer__nav a { color: var(--text-muted); font-size: .85rem; }
.footer__nav a:hover { color: var(--text); }

/* ---------- Bannière consentement cookies ---------- */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--bg-medium);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
  box-shadow: 0 -4px 24px rgba(0,0,0,.4);
}
#cookie-banner[aria-hidden="true"] { display: none; }
.cookie-banner__inner {
  max-width: 1140px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner__text {
  flex: 1;
  font-size: .9rem;
  color: var(--text-muted);
  margin: 0;
}
.cookie-banner__text a { color: var(--accent); }
.cookie-banner__actions { display: flex; gap: .75rem; flex-shrink: 0; }
.cookie-banner__btn { padding: .5rem 1.25rem; font-size: .875rem; }
.cookie-banner__btn--decline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.cookie-banner__btn--decline:hover {
  border-color: var(--text-muted);
  color: var(--text);
  background: transparent;
}
@media (max-width: 600px) {
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
  .cookie-banner__actions { width: 100%; }
  .cookie-banner__btn { flex: 1; text-align: center; }
}

/* ---------- Header scrolled ---------- */
.header--scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.5); }

/* ---------- Animations fade-in ---------- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  /* Nav mobile */
  .nav__toggle { display: flex; }
  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--bg-medium);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem 1.5rem;
    display: none;
  }
  .nav.open { display: block; }
  .nav__list { flex-direction: column; align-items: flex-start; gap: .25rem; }
  .nav__link { display: block; padding: .6rem 0; font-size: 1rem; }
  .nav__link--cta { margin-top: .5rem; padding: .6rem 1.2rem; }

  /* About grid */
  .about__grid { grid-template-columns: 1fr; }
  .about__visual { flex-direction: row; }
  .about__card { flex: 1; }

  /* Form row */
  .form__row { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__nav { justify-content: center; }
}

@media (max-width: 480px) {
  .hero__content { padding-block: 4rem; }
  .section { padding-block: 3.5rem; }
  .cards { grid-template-columns: 1fr; }
}