/* ============================================================
   Devis+ — Landing Page CSS
   ============================================================ */

/* ---- Navbar ---- */
.landing-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 24px; transition: all 0.3s ease;
}
.landing-nav.scrolled {
  background: rgba(255,255,255,0.96); backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav-inner { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 4px; transition: color 0.3s; }
.landing-nav.scrolled .nav-logo { color: var(--gray-900); }
.nav-logo .plus { color: #93C5FD; font-size: 30px; }
.landing-nav.scrolled .nav-logo .plus { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.8); transition: color var(--transition); }
.landing-nav.scrolled .nav-links a { color: var(--gray-600); }
.nav-links a:hover { color: #fff; }
.landing-nav.scrolled .nav-links a:hover { color: var(--gray-900); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.landing-nav .btn-ghost { border-color: rgba(255,255,255,0.3); color: #fff; }
.landing-nav.scrolled .btn-ghost { border-color: var(--gray-200); color: var(--gray-600); }

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #0F172A 0%, #1E3A6E 40%, #1D4ED8 70%, #2563EB 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 120px 24px 80px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37,99,235,0.4) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 30%, rgba(99,102,241,0.3) 0%, transparent 60%),
    radial-gradient(ellipse 30% 30% at 20% 70%, rgba(14,165,233,0.2) 0%, transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 860px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px); border-radius: var(--radius-full);
  padding: 8px 18px; font-size: 13px; font-weight: 600; color: #93C5FD;
  margin-bottom: 32px; animation: fadeInDown 0.6s ease forwards;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; box-shadow: 0 0 8px #4ADE80; animation: pulse 2s ease infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.7;transform:scale(1.3)} }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(36px, 6vw, 68px); font-weight: 800;
  color: #fff; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 28px;
  animation: fadeInUp 0.7s 0.1s ease forwards; opacity: 0;
}
.hero h1 .highlight {
  background: linear-gradient(90deg, #A5F3FC, #38BDF8, #E0F2FE, #7DD3FC);
  background-size: 300% 100%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: freezeSweep 4s ease-in-out infinite alternate;
  position: relative;
  display: inline-block;
}
.hero h1 .highlight::after {
  content: '❄';
  position: absolute;
  top: -15px;
  right: -20px;
  font-size: 24px;
  color: #BAE6FD;
  -webkit-text-fill-color: #BAE6FD;
  opacity: 0;
  animation: snowFlakeFade 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes freezeSweep {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}
@keyframes snowFlakeFade {
  0% { opacity: 0; transform: translateY(-10px) rotate(0deg); }
  30% { opacity: 0.8; transform: translateY(5px) rotate(45deg); }
  70% { opacity: 0.8; transform: translateY(15px) rotate(90deg); }
  100% { opacity: 0; transform: translateY(25px) rotate(135deg); }
}
.hero-sub {
  font-size: clamp(16px, 2.5vw, 20px); color: rgba(255,255,255,0.75); line-height: 1.7;
  max-width: 640px; margin: 0 auto 44px;
  animation: fadeInUp 0.7s 0.2s ease forwards; opacity: 0;
}
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; animation: fadeInUp 0.7s 0.3s ease forwards; opacity: 0; }
.btn-hero-primary {
  background: #fff; color: var(--primary-dark); font-size: 16px; font-weight: 700;
  padding: 16px 32px; border-radius: var(--radius-lg); box-shadow: 0 8px 32px rgba(255,255,255,0.2);
  transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(255,255,255,0.3); background: #F0F9FF; }
.btn-hero-secondary {
  color: rgba(255,255,255,0.9); font-size: 16px; font-weight: 600;
  padding: 16px 28px; border-radius: var(--radius-lg); border: 2px solid rgba(255,255,255,0.25);
  transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-hero-secondary:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.1); }
.hero-social-proof {
  display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap;
  color: rgba(255,255,255,0.6); font-size: 13px;
  margin-top: 48px; animation: fadeInUp 0.7s 0.4s ease forwards; opacity: 0;
}
.hero-social-proof .sep { opacity: 0.3; }
.hero-social-proof strong { color: rgba(255,255,255,0.9); }

@keyframes fadeInUp  { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInDown{ from{opacity:0;transform:translateY(-10px)} to{opacity:1;transform:translateY(0)} }

/* ---- Sections communes ---- */
.section { padding: 100px 24px; }
.section-inner { max-width: 1180px; margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; padding: 6px 14px;
  border-radius: var(--radius-full); margin-bottom: 16px;
}
.section-title { font-family: var(--font-display); font-size: clamp(28px,4vw,44px); font-weight: 800; color: var(--gray-900); line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 20px; }
.section-desc  { font-size: 18px; color: var(--gray-500); line-height: 1.7; max-width: 580px; }
.section-center { text-align: center; }
.section-center .section-desc { margin: 0 auto; }

/* ---- Problème ---- */
.problem-section { background: var(--gray-50); }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin-top: 60px; }
.problem-before, .problem-after { background: #fff; border-radius: var(--radius-xl); padding: 32px; border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm); }
.problem-before { border-left: 4px solid var(--danger); }
.problem-after  { border-left: 4px solid var(--success); }
.problem-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.problem-icon { width: 44px; height: 44px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.problem-before .problem-icon { background: var(--danger-light); }
.problem-after  .problem-icon { background: var(--success-light); }
.problem-list { display: flex; flex-direction: column; gap: 12px; }
.problem-item { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--gray-700); }
.problem-item .check { color: var(--success); font-size: 18px; flex-shrink: 0; }
.problem-item .cross { color: var(--danger); font-size: 18px; flex-shrink: 0; }

/* ---- Steps ---- */
.how-section { background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 28px; margin-top: 60px; }
.step-card { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 28px; border-radius: var(--radius-xl); background: var(--gray-50); border: 1px solid var(--gray-200); transition: all var(--transition); }
.step-card:hover { background: var(--primary-light); border-color: var(--primary-mid); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-number { width: 48px; height: 48px; border-radius: var(--radius); background: var(--primary); color: #fff; font-family: var(--font-display); font-size: 20px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-primary); }
.step-title { font-size: 17px; font-weight: 700; color: var(--gray-900); }
.step-desc  { font-size: 14px; color: var(--gray-600); line-height: 1.6; }

/* ---- Benefits ---- */
.benefits-section { background: var(--gray-50); }
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 20px; margin-top: 60px; }
.benefit-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-xl); padding: 28px; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.benefit-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--primary-mid); }
.benefit-icon { width: 52px; height: 52px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; font-size: 24px; background: var(--primary-light); margin-bottom: 16px; }
.benefit-title { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.benefit-desc  { font-size: 14px; color: var(--gray-600); line-height: 1.6; }

/* ---- Pricing ---- */
.pricing-section { background: linear-gradient(160deg, #0F172A, #1E3A6E); padding: 100px 24px; }
.pricing-section .section-title { color: #fff; }
.pricing-section .section-desc  { color: rgba(255,255,255,0.6); }
.pricing-section .section-label { background: rgba(255,255,255,0.1); color: #93C5FD; }
.pricing-card { max-width: 500px; margin: 60px auto 0; background: #fff; border-radius: var(--radius-xl); box-shadow: 0 30px 80px rgba(0,0,0,0.3); overflow: hidden; }
.pricing-header { background: linear-gradient(135deg, var(--primary), var(--primary-darker)); padding: 36px 40px; text-align: center; color: #fff; }
.pricing-name   { font-family: var(--font-display); font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.pricing-price  { display: flex; align-items: flex-start; justify-content: center; gap: 4px; }
.pricing-currency { font-size: 22px; font-weight: 700; margin-top: 8px; opacity: 0.8; }
.pricing-amount   { font-family: var(--font-display); font-size: 72px; font-weight: 800; line-height: 1; }
.pricing-period   { font-size: 16px; opacity: 0.7; align-self: flex-end; margin-bottom: 6px; }
.pricing-ht       { font-size: 13px; opacity: 0.6; margin-top: 6px; }
.pricing-body { padding: 32px 40px 36px; }
.pricing-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.pricing-feature { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--gray-700); }
.pricing-feature .check { color: var(--success); font-size: 18px; flex-shrink: 0; }
.pricing-note { text-align: center; font-size: 13px; color: var(--gray-500); margin-top: 14px; font-style: italic; }

/* ---- Objections ---- */
.objections-section { background: #fff; }
.objections-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 20px; margin-top: 60px; }
.objection-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-xl); padding: 24px; transition: all var(--transition); }
.objection-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.objection-q { font-size: 15px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; display: flex; align-items: flex-start; gap: 8px; }
.objection-q::before { content: '❓'; font-size: 16px; flex-shrink: 0; }
.objection-a  { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ---- CTA Final ---- */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-darker)); padding: 100px 24px; text-align: center; }
.cta-section h2 { font-family: var(--font-display); font-size: clamp(28px,4vw,48px); font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-section p { font-size: 18px; color: rgba(255,255,255,0.75); margin-bottom: 40px; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---- Footer ---- */
footer { background: var(--gray-900); padding: 60px 24px 32px; color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-inner { max-width: 1180px; margin: 0 auto; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; margin-bottom: 48px; flex-wrap: wrap; }
.footer-logo { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: #fff; }
.footer-logo .plus { color: #60A5FA; }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.5); margin-top: 8px; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h4 { font-weight: 700; color: #fff; margin-bottom: 16px; font-size: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,0.5); font-size: 14px; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .problem-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-top { flex-direction: column; }
  .footer-links { flex-direction: column; gap: 24px; }
}
@media (max-width: 600px) {
  .section { padding: 60px 20px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .pricing-body, .pricing-header { padding: 24px; }
}