/* =========================================
   ONE PERF — style.css
   Charte : #102452 (bleu) · #3dbebe (turquoise)
   Police : Sora (titres) · Inter (corps)
   ========================================= */

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

:root {
  --blue:    #102452;
  --blue-mid:#1a3570;
  --teal:    #3dbebe;
  --teal-lt: #64d0d0;
  --white:   #ffffff;
  --off-white: #f4f8fc;
  --gray-100: #eef2f8;
  --gray-400: #8a9ab5;
  --gray-700: #374a6b;
  --text:    #1e2d4e;
  --radius:  14px;
  --shadow:  0 4px 24px rgba(16,36,82,.10);
  --shadow-lg: 0 12px 48px rgba(16,36,82,.16);
  --transition: .25s ease;
  --header-h: 72px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3 {
  font-family: 'Sora', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--blue);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.15rem; }

.eyebrow {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .75rem;
}

/* ---- LAYOUT ---- */
.container {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}

.section { padding: clamp(4rem, 8vw, 7rem) 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.section-sub {
  margin-top: 1rem;
  color: var(--gray-400);
  font-size: 1.05rem;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: 100px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-mid); }

.btn-urgent {
  background: var(--teal);
  color: var(--white);
}
.btn-urgent:hover { background: var(--teal-lt); }

.btn-outline-white {
  border-color: rgba(255,255,255,.6);
  color: var(--white);
  background: transparent;
}
.btn-outline-white:hover { background: rgba(255,255,255,.1); }

.btn-lg { padding: .9rem 2rem; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* Pulse dot */
.pulse-dot {
  width: 9px; height: 9px;
  background: #fff;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.6);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%   { transform: scale(1);   opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16,36,82,.97);
  backdrop-filter: blur(10px);
  height: var(--header-h);
  box-shadow: 0 1px 0 rgba(255,255,255,.07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 2rem;
}
.main-nav a {
  color: rgba(255,255,255,.8);
  font-weight: 500;
  font-size: .93rem;
  transition: color var(--transition);
}
.main-nav a:hover { color: var(--teal); }

.nav-cta { display: none; }
@media (min-width: 768px) { .nav-cta { display: inline-flex; } }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: .5rem;
  padding: 1.25rem 1.5rem;
  background: var(--blue);
  border-top: 1px solid rgba(255,255,255,.08);
}
.mobile-menu.open { display: flex; }
.mob-link {
  color: rgba(255,255,255,.85);
  font-weight: 500;
  padding: .6rem 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.mob-link:last-child { border-bottom: none; }

@media (max-width: 767px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
}

/* ---- HERO ---- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
  padding: clamp(4rem, 10vw, 7rem) 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .18;
}
.blob-1 { width: 600px; height: 600px; background: var(--teal); top: -200px; right: -200px; }
.blob-2 { width: 400px; height: 400px; background: #1e5aad; bottom: -150px; left: -100px; }
.blob-3 { width: 300px; height: 300px; background: var(--teal-lt); top: 50%; left: 40%; opacity: .1; }

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
}

.hero-text { max-width: 600px; }

.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero h1 .highlight { color: var(--teal); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 480px;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.iv-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(12px);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  text-align: center;
  width: 260px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.iv-icon {
  margin: 0 auto 1.25rem;
  width: 80px; height: 120px;
}
.iv-label {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  color: var(--teal);
  font-size: .9rem;
  margin-bottom: 1.5rem;
  letter-spacing: .04em;
}
.iv-stats {
  display: flex;
  justify-content: space-around;
  gap: .5rem;
}
.stat { display: flex; flex-direction: column; }
.stat strong {
  font-family: 'Sora', sans-serif;
  font-size: 1.3rem;
  color: var(--white);
}
.stat span { font-size: .72rem; color: rgba(255,255,255,.5); }

/* ---- PRESTATIONS ---- */
.prestations { background: var(--off-white); }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .grid-4 { grid-template-columns: 1fr; } }

.prestation-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.prestation-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.bg-teal { background: var(--teal); }
.bg-blue { background: var(--blue); }

.prestation-card h3 { margin-bottom: .6rem; }
.prestation-card p  { font-size: .93rem; color: var(--gray-700); line-height: 1.6; }
.prestation-card small { font-size: .8em; font-weight: 400; color: var(--gray-400); }

/* ---- ENGAGEMENTS ---- */
.engagements { background: var(--white); }

.engagements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 768px) { .engagements-grid { grid-template-columns: 1fr; } }

.engagement-item {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  border-radius: var(--radius);
  border: 2px solid var(--gray-100);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.engagement-item:hover { border-color: var(--teal); box-shadow: var(--shadow); }

.engagement-highlight {
  border-color: var(--teal);
  background: var(--blue);
  color: var(--white);
  grid-column: 1 / -1;
}
.engagement-highlight h3,
.engagement-highlight p { color: var(--white); }
.engagement-highlight p { color: rgba(255,255,255,.8); }

.engage-num {
  font-family: 'Sora', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  flex-shrink: 0;
  width: 64px;
  text-align: center;
}
.urgent-num { font-size: 1.8rem; width: 72px; }

.engage-body h3 { margin-bottom: .5rem; }
.engage-body p  { font-size: .94rem; color: var(--gray-700); }
.engagement-highlight .engage-body p { color: rgba(255,255,255,.75); }

.engage-cta { margin-top: 1.25rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---- CTA BAND ---- */
.cta-band {
  background: linear-gradient(135deg, var(--blue), #1a4080);
  padding: clamp(3rem, 6vw, 5rem) 0;
  color: var(--white);
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-band-text h2 { color: var(--white); margin-bottom: .5rem; }
.cta-band-text p  { color: rgba(255,255,255,.7); }
.cta-band-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---- CONTACT ---- */
.contact { background: var(--off-white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { color: var(--gray-700); margin-bottom: 2rem; }

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  color: var(--gray-700);
  font-size: .97rem;
}
.contact-details li svg { flex-shrink: 0; color: var(--teal); margin-top: 2px; }
.contact-details a { color: var(--blue); font-weight: 600; }
.contact-details a:hover { color: var(--teal); }
.contact-details address { font-style: normal; }

/* Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .7rem 1rem;
  border: 2px solid var(--gray-100);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(61,190,190,.15);
}
.form-group textarea { resize: vertical; }
.form-group select { cursor: pointer; }

/* ---- FOOTER ---- */
.site-footer {
  background: var(--blue);
  color: rgba(255,255,255,.7);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.footer-brand p {
  margin-top: .75rem;
  font-size: .88rem;
  max-width: 260px;
}
.footer-logo { height: 44px; width: auto; }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: .7rem;
}
.footer-links a {
  font-size: .9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--teal); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  padding: 1.25rem 1rem;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}
.footer-bottom a { color: rgba(255,255,255,.5); }

/* ---- RESPONSIVE TWEAKS ---- */
@media (max-width: 480px) {
  .hero-cta-group { flex-direction: column; }
  .cta-band-inner { text-align: center; justify-content: center; }
  .cta-band-actions { justify-content: center; }
  .iv-card { width: 220px; padding: 1.75rem 1.25rem; }
}

/* ---- FOCUS / ACCESSIBILITY ---- */
:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}