/* ============================================================
   Nestpro — style.css
   Stack : HTML/CSS/JS vanilla — mobile-first
   Brand : #000 bg | #9EE9FE accent | #FFF text | #A0A0A0 secondary
   Font  : Plus Jakarta Sans
   ============================================================ */

/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #000000;
  --bg-card:   #2B3C42;
  --bg-card-hover: #344A52;
  --accent:    #9EE9FE;
  --accent-hover: #7DD4E8;
  --text:      #FFFFFF;
  --secondary: #A0A0A0;
  --border:    rgba(255,255,255,0.08);
  --radius:    16px;
  --max-w:     1140px;
  --nav-h:     68px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.035;
}

/* S'assurer que tout le contenu passe au-dessus du grain */
nav, main, footer, section, .steps, .support-banner {
  position: relative;
  z-index: 1;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3 { font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.15; }
h1, h2 { font-weight: 800; }
h3 { font-weight: 700; }

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); margin-bottom: 0.5rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

p { color: var(--secondary); }

.accent { color: var(--accent); }

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo img { height: 52px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--secondary);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.btn-nav {
  padding: 10px 22px;
  background: var(--accent);
  color: #000000;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 999px;
  border: none;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-nav:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* Burger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  z-index: 110;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 1.25rem;
  color: var(--secondary);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--text); }
.nav-mobile .btn-nav { font-size: 1rem; padding: 14px 32px; }

/* ── Sections ─────────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-sm { padding: 80px 0; }

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  min-height: calc(100vh - var(--nav-h));
  padding-top: 32px;
  padding-bottom: 32px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(78,205,196,0.12);
  border: 1px solid rgba(78,205,196,0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-title { margin-bottom: 20px; }

.hero-sub {
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 36px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: var(--accent);
  color: #000000;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: none;
  position: relative;
  transition: background 0.2s, transform 0.2s, box-shadow 0.3s;
  animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 10px rgba(158,233,254,0.25); }
  50%       { box-shadow: 0 0 28px rgba(158,233,254,0.55); }
}

.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* Social proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.avatars {
  display: flex;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  margin-right: -8px;
}

.social-proof__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
}

.social-proof__text strong {
  font-size: 0.85rem;
  color: var(--text);
}

.social-proof__text span {
  font-size: 0.75rem;
  color: var(--secondary);
}

/* Hero visual — map card */
.hero-visual {
  display: flex;
  justify-content: center;
}

.map-card {
  width: 100%;
  aspect-ratio: 600 / 420;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(158,233,254,0.15);
  box-shadow: 0 0 40px rgba(158,233,254,0.08);
}

/* ── Features ─────────────────────────────────────────────── */
.features-header { text-align: center; margin-bottom: 56px; }
.features-header p { max-width: 520px; margin: 12px auto 0; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: none;
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: background 0.25s, transform 0.25s;
}
.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card p { font-size: 0.9rem; margin-top: 6px; }

/* ── Capacity card ────────────────────────────────────────── */
.capacity-card {
  background: var(--bg-card);
  border: 1px solid rgba(158,233,254,0.15);
  border-radius: var(--radius);
  padding: 32px 36px;
  max-width: 640px;
  margin: 0 auto;
}

.capacity-bar-wrap { margin-bottom: 16px; }

.capacity-bar-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.875rem;
}

.capacity-bar-label span { color: var(--secondary); }

.capacity-count {
  color: var(--accent) !important;
  font-weight: 700;
}

.capacity-bar {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}

.capacity-bar__fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.capacity-note {
  font-size: 0.825rem;
  margin: 0;
}

/* ── Steps ────────────────────────────────────────────────── */
.steps {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 24px;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(158,233,254,0.1);
  border: 1px solid rgba(158,233,254,0.3);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body h3 { margin-bottom: 4px; }
.step-body p { font-size: 0.875rem; }

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-header { text-align: center; margin-bottom: 48px; }
.faq-header p { max-width: 480px; margin: 12px auto 0; }

.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--bg-card);
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question[aria-expanded="true"] { color: var(--accent); }

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.2rem;
  transition: transform 0.3s;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
}
.faq-answer.open { max-height: 400px; padding-bottom: 20px; }

.faq-answer p {
  padding: 0 24px;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── Waitlist form ────────────────────────────────────────── */
.waitlist {
  background: linear-gradient(180deg, var(--bg) 0%, #0d0d0d 100%);
}

.waitlist-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.waitlist-inner h2 { margin-bottom: 8px; }
.waitlist-inner .sub { margin-bottom: 36px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  text-align: left;
  margin-bottom: 14px;
}

.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }

.form-field label {
  font-size: 0.8rem;
  color: var(--secondary);
  font-weight: 500;
}

.form-field input,
.form-field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(160,160,160,0.4);
}
.form-field textarea { resize: vertical; min-height: 110px; }

/* Telephone prefix */
.tel-input {
  display: flex;
  align-items: stretch;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.tel-input:focus-within { border-color: var(--accent); }

.tel-prefix {
  padding: 12px 12px 12px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  border-right: 1px solid var(--border);
  background: rgba(158,233,254,0.05);
  white-space: nowrap;
}

.tel-input input {
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  flex: 1;
}

.btn-submit {
  width: 100%;
  padding: 15px;
  background: var(--accent);
  color: #000000;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: none;
  margin-top: 4px;
  transition: background 0.2s, transform 0.15s;
}
.btn-submit:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.form-feedback {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  display: none;
}
.form-feedback.success {
  display: block;
  background: rgba(78,205,196,0.1);
  border: 1px solid rgba(78,205,196,0.3);
  color: var(--accent);
}
.form-feedback.error {
  display: block;
  background: rgba(239,83,80,0.1);
  border: 1px solid rgba(239,83,80,0.3);
  color: #ef5350;
}

/* ── Support banner ───────────────────────────────────────── */
.support-banner {
  padding: 80px 24px;
  text-align: center;
}

.support-banner__inner {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.support-banner h2 { margin-bottom: 8px; }

/* ── Footer ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 36px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.footer-brand img { height: 48px; margin-bottom: 10px; }
.footer-tagline { font-size: 0.85rem; color: var(--secondary); }

.footer-links { display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.footer-links a { font-size: 0.85rem; color: var(--secondary); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-copy { font-size: 0.8rem; color: var(--secondary); }

/* ── Static pages (privacy, support) ─────────────────────── */
.static-page { padding: 80px 0 96px; }
.static-page h1 { margin-bottom: 12px; }
.static-page .lead { font-size: 1rem; margin-bottom: 48px; max-width: 680px; }

.prose { max-width: 720px; }
.prose h2 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 36px;
  margin-bottom: 10px;
}
.prose p { margin-bottom: 12px; font-size: 0.9rem; }
.prose ul { padding-left: 20px; margin-bottom: 12px; }
.prose li { font-size: 0.9rem; color: var(--secondary); margin-bottom: 5px; }
.prose a { color: var(--accent); text-decoration: underline; }

.support-email-block {
  background: var(--bg-card);
  border: 1px solid rgba(78,205,196,0.25);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 32px 0;
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 480px;
}
.support-email-block .email-icon { font-size: 1.6rem; }
.support-email-block a { color: var(--accent); font-weight: 600; font-size: 1rem; }
.support-email-block p { margin: 0; font-size: 0.85rem; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .nav-burger { display: flex; }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .social-proof { justify-content: center; }
  .hero-visual { display: flex; margin-top: 32px; }

  .features-grid { grid-template-columns: 1fr; }

  .form-grid { grid-template-columns: 1fr; }

  .footer-top { flex-direction: column; }
  .footer-links { align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 480px) {
  .section { padding: 80px 0; }
}