/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light: #EFF6FF;
  --navy: #0F172A;
  --slate: #334155;
  --muted: #64748B;
  --border: #E2E8F0;
  --bg: #FFFFFF;
  --bg2: #F8FAFC;
  --white: #FFFFFF;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--slate);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--navy); line-height: 1.2; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-lg { padding: 15px 36px; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-call {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
  padding: 10px 20px;
  font-size: 0.9rem;
}
.btn-call:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-1px);
}
#header.scrolled .btn-call {
  background: #F0FDF4;
  color: #15803D;
  border-color: #BBF7D0;
}
#header.scrolled .btn-call:hover {
  background: #DCFCE7;
  border-color: #86EFAC;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.35);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.35);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.08);
  color: #fff;
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-top: 10px;
}
.section-label {
  display: inline-block;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ===== HEADER ===== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
#header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}
.logo span { color: #60A5FA; }
#header.scrolled .logo { color: var(--navy); }
#header.scrolled .logo span { color: var(--blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--navy); background: var(--bg2); }

.nav-cta { padding: 10px 22px; font-size: 0.9rem; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 16px 24px 24px;
  background: #fff;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--slate);
  transition: var(--transition);
}
.mobile-menu a:hover { background: var(--bg2); color: var(--navy); }
.mobile-menu .btn { margin-top: 8px; justify-content: center; }

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(37,99,235,0.25) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 10% 80%, rgba(37,99,235,0.12) 0%, transparent 60%);
}
.hero-bg::before {
  content: '';
  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: 48px 48px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 24px 100px;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.4);
  color: #93C5FD;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 28px;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 22px;
  line-height: 1.1;
  letter-spacing: -1px;
}
h1 .accent { color: #60A5FA; }

.hero-sub {
  font-size: 1.1rem;
  color: #94A3B8;
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  width: fit-content;
}
.stat-item { text-align: center; }
.stat-item strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-item span { font-size: 0.78rem; color: #64748B; font-weight: 500; }
.stat-sep { width: 1px; height: 36px; background: rgba(255,255,255,0.1); }

/* ===== SERVICES ===== */
#services {
  padding: 100px 0;
  background: var(--bg2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  transition: var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.service-card:hover::after { background: var(--blue); }

.service-card--featured {
  border-color: rgba(37,99,235,0.3);
  background: linear-gradient(135deg, var(--blue-light) 0%, #fff 60%);
}
.service-card--featured::after { background: var(--blue); }

.featured-label {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--blue);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: 50px;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--blue-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue);
}
.service-icon svg { width: 24px; height: 24px; }

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-card > p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.7;
}
.service-list { display: flex; flex-direction: column; gap: 6px; }
.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--slate);
  font-weight: 500;
}
.service-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== POURQUOI ===== */
#pourquoi {
  padding: 100px 0;
  background: var(--white);
}
#pourquoi .section-header h2 { color: var(--navy); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  padding: 40px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg2);
  transition: var(--transition);
}
.why-card:hover {
  border-color: rgba(37,99,235,0.3);
  box-shadow: var(--shadow);
  background: var(--white);
}

.why-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -2px;
}
.why-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.why-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }

/* ===== CONTACT ===== */
#contact {
  padding: 100px 0;
  background: var(--bg2);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-left .section-label { margin-bottom: 10px; display: block; }
.contact-left h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.contact-sub { color: var(--muted); font-size: 0.95rem; margin-bottom: 40px; line-height: 1.7; }

.contact-details { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--blue-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--navy);
  margin-bottom: 2px;
}
.contact-item span {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ===== FORM ===== */
.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--navy);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
  cursor: pointer;
}
.form-group select option { background: #fff; color: var(--navy); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  background: #fff;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #CBD5E1; }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-feedback {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}
.form-feedback.visible { display: flex; }
.form-feedback svg { width: 18px; height: 18px; flex-shrink: 0; }
.form-success { background: #F0FDF4; border: 1px solid #BBF7D0; color: #15803D; }
.form-error { background: #FEF2F2; border: 1px solid #FECACA; color: #DC2626; }

/* ===== FOOTER ===== */
footer {
  background: var(--navy);
  padding-top: 56px;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 40px;
  flex-wrap: wrap;
}
.footer-brand .logo { color: #fff; }
.footer-brand .logo span { color: #60A5FA; }
.footer-brand p { margin-top: 10px; font-size: 0.85rem; color: #475569; max-width: 260px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 0.9rem; color: #475569; transition: var(--transition); }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 18px 0;
  text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: #334155; }
.footer-bottom a { color: #475569; transition: var(--transition); }
.footer-bottom a:hover { color: #fff; }

/* ===== TARIFS ===== */
#tarifs {
  padding: 100px 0;
  background: var(--navy);
}
#tarifs .section-label { color: #60A5FA; }
#tarifs .section-header h2 { color: #fff; }

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

.tarif-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 36px 30px;
  position: relative;
  transition: var(--transition);
}
.tarif-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-4px);
}
.tarif-card--featured {
  background: var(--blue);
  border-color: var(--blue);
  transform: scale(1.04);
}
.tarif-card--featured:hover {
  background: var(--blue-dark);
  transform: scale(1.04) translateY(-4px);
}

.tarif-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: #FBBF24;
  color: #78350F;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}

.tarif-header { margin-bottom: 24px; }
.tarif-header h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.tarif-price { margin-bottom: 8px; }
.price-from { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.5); margin-bottom: 2px; }
.price-amount { font-size: 2.4rem; font-weight: 800; color: #fff; line-height: 1; }
.tarif-header > p { font-size: 0.85rem; color: rgba(255,255,255,0.6); }
.tarif-card--featured .tarif-header > p { color: rgba(255,255,255,0.8); }

.tarif-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.tarif-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.85);
}
.tarif-list li svg { width: 16px; height: 16px; flex-shrink: 0; color: #4ADE80; }
.tarif-list li.tarif-no { color: rgba(255,255,255,0.35); }
.tarif-list li.tarif-no svg { color: rgba(255,255,255,0.25); }
.tarif-card--featured .tarif-list li { color: rgba(255,255,255,0.95); }
.tarif-card--featured .tarif-list li.tarif-no { color: rgba(255,255,255,0.4); }

.btn-outline-blue {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 50px;
}
.btn-outline-blue:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.btn-full { width: 100%; justify-content: center; }

.tarifs-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ===== FAQ ===== */
#faq {
  padding: 100px 0;
  background: var(--bg2);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Inter', sans-serif;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--navy);
  transition: background var(--transition), color var(--transition);
}
.faq-question:hover { background: var(--bg2); }
.faq-question[aria-expanded="true"] { color: var(--blue); background: var(--blue-light); }

.faq-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--muted);
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
  color: var(--blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
}
.faq-answer.open {
  max-height: 300px;
  padding: 0 28px 22px;
}
.faq-answer p { font-size: 0.9rem; color: var(--muted); line-height: 1.75; }
.faq-answer strong { color: var(--navy); }

/* ===== WHATSAPP ===== */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 58px;
  height: 58px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.65);
}
.whatsapp-btn svg { width: 30px; height: 30px; }

/* ===== SCROLL REVEAL ===== */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].revealed {
  opacity: 1 !important;
  transform: none !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { gap: 48px; }
  .tarifs-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .tarif-card--featured { transform: scale(1); }
  .tarif-card--featured:hover { transform: translateY(-4px); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .btn-call-nav { display: inline-flex; }
  .btn-call-nav span { display: none; }
  .burger { display: flex; }

  h1 { font-size: 2.4rem; letter-spacing: -0.5px; }
  .hero-content { padding: 120px 24px 80px; }
  .hero-actions { flex-direction: column; }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
    width: 100%;
  }
  .stat-sep { width: 100%; height: 1px; }

  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .hero-stats { display: none; }
  .service-card { padding: 28px 24px; }
  .why-card { padding: 28px 24px; }
}