/* ===========================================================
   NextPC.fr - styles
   Mobile-first, gros boutons, animations douces, contraste élevé.
   =========================================================== */

:root {
  --color-primary: #0f5fbf;
  --color-primary-dark: #0c4a94;
  --color-accent: #1fa87a;
  --color-text: #1c2530;
  --color-text-light: #4a5a6a;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-border: #e1e8f0;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 95, 191, 0.08);
  --transition: 240ms ease;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 17px;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); }
h3 { font-size: 1.2rem; }

a { color: var(--color-primary); }

/* Respecte les préférences d'accessibilité des utilisateurs */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ==================== EN-TÊTE ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.logo {
  font-weight: 700;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--color-text);
}
.logo span { color: var(--color-primary); }

.phone-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 999px;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.phone-pill:hover,
.phone-pill:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ==================== BOUTONS (gros, cliquables au doigt) ==================== */
.btn {
  display: inline-block;
  padding: 16px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
  min-height: 52px;
}
.btn:hover, .btn:focus-visible { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(31, 168, 122, 0.3);
}
.btn-primary:hover, .btn-primary:focus-visible { background: #178a63; }

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--color-primary);
  color: #fff;
}

.btn-block { width: 100%; }

/* ==================== HERO ==================== */
.hero {
  padding: 64px 0 56px;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  text-align: center;
}

.hero-subtitle {
  max-width: 620px;
  margin: 0 auto 32px;
  color: var(--color-text-light);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

@media (min-width: 560px) {
  .hero-actions { flex-direction: row; justify-content: center; }
}

/* ==================== SECTIONS GÉNÉRIQUES ==================== */
section { padding: 56px 0; }

.section-title { text-align: center; }
.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-top: -0.4em;
  margin-bottom: 2.2em;
}

.services { background: var(--color-bg); }

/* ==================== CARTES SERVICES ==================== */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(15, 95, 191, 0.14);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

/* ==================== ÉTAPES ==================== */
.steps { background: var(--color-bg-alt); }

.steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 800px) {
  .steps-list { grid-template-columns: repeat(3, 1fr); }
}

.step {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 28px 22px;
  border: 1px solid var(--color-border);
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

/* ==================== CONTACT ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 1.1rem;
}

.contact-list a {
  text-decoration: none;
  font-weight: 700;
  color: var(--color-text);
}
.contact-list a:hover, .contact-list a:focus-visible { color: var(--color-primary); }

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-weight: 600;
  font-size: 0.95rem;
}

.form-row input,
.form-row textarea {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  font-size: 1rem;
  font-family: inherit;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: 3px solid rgba(15, 95, 191, 0.35);
  border-color: var(--color-primary);
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 0;
}

.form-status {
  font-weight: 600;
  margin: 0;
  min-height: 1.2em;
}
.form-status.success { color: var(--color-accent); }
.form-status.error { color: #c0392b; }

/* ==================== PIED DE PAGE ==================== */
.site-footer {
  background: var(--color-text);
  color: #fff;
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}
.footer-inner a { color: #fff; }

/* ==================== ANIMATIONS AU SCROLL / A L'ARRIVEE (douces) ==================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Apparition échelonnée du hero au chargement de la page : un temps de
   pause avant que le titre n'apparaisse, puis le reste (sous-titre +
   boutons) une fois que son animation (600ms) est bien avancée. */
.reveal-delay-1 { transition-delay: 300ms; }
.reveal-delay-2 { transition-delay: 850ms; }

/* Apparition échelonnée des cartes de services, une par une */
.cards-grid .card:nth-child(1) { transition-delay: 0ms; }
.cards-grid .card:nth-child(2) { transition-delay: 90ms; }
.cards-grid .card:nth-child(3) { transition-delay: 180ms; }
.cards-grid .card:nth-child(4) { transition-delay: 270ms; }
.cards-grid .card:nth-child(5) { transition-delay: 360ms; }
.cards-grid .card:nth-child(6) { transition-delay: 450ms; }

/* Apparition échelonnée des 3 étapes */
.steps-list .step:nth-child(1) { transition-delay: 0ms; }
.steps-list .step:nth-child(2) { transition-delay: 150ms; }
.steps-list .step:nth-child(3) { transition-delay: 300ms; }