/* ===================================================================
   Pro Phares — tokens
   =================================================================== */
:root{
  --black: #08090b;
  --charcoal: #131519;
  --charcoal-2: #1a1d22;
  --line: rgba(238,240,243,0.09);
  --line-strong: rgba(238,240,243,0.16);

  --chrome: #eef0f3;
  --chrome-dim: #9aa1ac;
  --chrome-faint: #5b616c;

  --blue: #3b74f0;
  --blue-bright: #6b9bff;
  --blue-dim: #1f3a72;

  --amber: #f3b673;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --ease: cubic-bezier(.22,.68,0,1);
}

*{ box-sizing: border-box; }
html{ background: var(--black); scroll-behavior: auto; }
html, body{ overflow-x: hidden; }

body{
  margin:0;
  background: var(--black);
  color: var(--chrome);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }
h1,h2,h3,p{ margin:0; }
button{ font-family: inherit; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

::selection{ background: var(--blue); color: var(--black); }

:focus-visible{
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
}

/* film grain overlay for texture */
.grain{
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================================================================
   Type helpers
   =================================================================== */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--chrome-dim);
  display: flex;
  align-items: center;
  gap: 0.55em;
  margin-bottom: 1.1rem;
}
.eyebrow .dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 10px 2px var(--blue-bright);
  flex: none;
}

.section-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--chrome);
}
.section-title .dim{ color: var(--chrome-faint); }
.section-sub{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--chrome-dim);
  margin-top: 0.9rem;
  letter-spacing: 0.02em;
}

.section-head{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 6vw 3.5rem;
}

em{ font-style: normal; color: var(--blue-bright); }

/* ===================================================================
   Buttons
   =================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.95em 1.7em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform 0.4s var(--ease), background 0.3s, border-color 0.3s, color 0.3s;
  white-space: nowrap;
}
.btn--primary{
  background: var(--blue);
  color: #fff;
}
.btn--primary:hover{ background: var(--blue-bright); transform: translateY(-2px); }

.btn--ghost{
  border-color: var(--line-strong);
  color: var(--chrome);
  background: transparent;
}
.btn--ghost:hover{ border-color: var(--blue-bright); color: var(--blue-bright); }

.btn--text{
  padding: 0.95em 0;
  color: var(--chrome-dim);
}
.btn--text .arrow{ display: inline-block; transition: transform 0.3s var(--ease); }
.btn--text:hover{ color: var(--chrome); }
.btn--text:hover .arrow{ transform: translateX(4px); }

.btn--lg{ font-size: 1rem; padding: 1.15em 2.4em; }

/* ===================================================================
   Nav
   =================================================================== */
.nav{
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.6rem 6vw;
  transition: padding 0.4s var(--ease), background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  padding: 1rem 6vw;
  background: rgba(8,9,11,0.72);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav__mark{ display:flex; align-items:center; }
.nav__mark img{ height: 28px; width: auto; display:block; }

.nav__links{ display: flex; gap: 2.6rem; }
.nav__links a{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--chrome-dim);
  position: relative;
  padding-bottom: 4px;
}
.nav__links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background: var(--blue-bright); transition: right 0.35s var(--ease);
}
.nav__links a:hover{ color: var(--chrome); }
.nav__links a:hover::after{ right: 0; }

.btn--nav{ padding: 0.7em 1.4em; }

.nav__right{ display: flex; align-items: center; gap: 1.4rem; }

.lang-switch{
  display: flex; align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.lang-switch__btn{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--chrome-faint);
  background: none;
  border: none;
  padding: 0.4em 0.75em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.lang-switch__btn:hover{ color: var(--chrome); }
.lang-switch__btn.is-active{
  background: var(--blue);
  color: #fff;
}
.lang-switch--mobile{ margin-bottom: 0.5rem; }

.nav__burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 40px; height: 40px; background:none; border:none; cursor:pointer;
}
.nav__burger span{ height:1px; width:22px; background: var(--chrome); transition: transform 0.3s, opacity 0.3s; }

.mobile-menu{
  position: fixed; inset: 0; z-index: 95;
  background: var(--black);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease);
}
.mobile-menu.is-open{ transform: translateY(0); }
.mobile-menu a{ font-family: var(--font-display); font-size: 1.6rem; color: var(--chrome); }

/* ===================================================================
   Hero
   =================================================================== */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 6vw;
  background:
    radial-gradient(ellipse 90% 60% at 78% 45%, rgba(59,116,240,0.16), transparent 60%),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(59,116,240,0.08), transparent 70%),
    var(--black);
}

.hero__rays{ position:absolute; inset:0; z-index:1; opacity:0.9; }

.hero__lens{
  position: absolute;
  right: -6vw;
  top: 50%;
  transform: translateY(-50%);
  width: min(56vw, 780px);
  aspect-ratio: 1.5/1;
  z-index: 1;
  opacity: 0.9;
}

.lens{ position:relative; width:100%; height:100%; }
.lens__ring{
  position:absolute; inset:8% 30% 8% 4%;
  border-radius: 50% / 55%;
  border: 1px solid var(--line-strong);
}
.lens__glass{
  position:absolute; inset:14% 36% 14% 10%;
  border-radius: 50% / 55%;
  background: linear-gradient(135deg, rgba(238,240,243,0.06), rgba(59,116,240,0.05) 60%, transparent);
  border: 1px solid var(--line);
  backdrop-filter: blur(1px);
}
.lens__reflector{
  position:absolute; left: 16%; top: 30%; width: 34%; height: 40%;
  background: repeating-linear-gradient(100deg, rgba(238,240,243,0.10) 0 2px, transparent 2px 10px);
  border-radius: 40%;
  mask-image: radial-gradient(circle, black 40%, transparent 75%);
}
.lens__core{
  position:absolute; left: 30%; top: 38%; width: 16%; height: 24%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff, var(--blue-bright) 45%, var(--blue-dim) 100%);
  box-shadow: 0 0 60px 18px rgba(107,155,255,0.55), 0 0 140px 60px rgba(59,116,240,0.25);
}
.lens__beam{
  position:absolute; left: 42%; top: 50%; width: 62%; height: 26%;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(255,255,255,0.55), rgba(107,155,255,0.22) 40%, transparent 90%);
  clip-path: polygon(0% 30%, 0% 70%, 100% 100%, 100% 0%);
  filter: blur(2px);
  mix-blend-mode: screen;
}

.hero__content{ position: relative; z-index: 2; max-width: 720px; }

.hero__eyebrow{ opacity: 0; }

.hero__title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6.6vw, 5.2rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin-bottom: 1.6rem;
}
.hero__title .line{ display:block; overflow: hidden; }
.hero__title .line span{ display:inline-block; transform: translateY(110%); }

.hero__sub{
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--chrome-dim);
  max-width: 46ch;
  margin-bottom: 2.4rem;
  opacity: 0;
}

.hero__cta{ display:flex; align-items:center; gap: 2rem; flex-wrap: wrap; opacity: 0; }

.hero__scroll{
  position:absolute; bottom: 2.6rem; left: 6vw; z-index: 2;
  display:flex; align-items:center; gap: 0.8rem;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--chrome-faint);
  opacity: 0;
}
.scroll-line{ width:1px; height: 46px; background: var(--line-strong); position: relative; overflow:hidden; }
.scroll-line i{ position:absolute; top:-100%; left:0; width:100%; height:100%; background: var(--blue-bright); animation: scrollDrip 2.2s ease-in-out infinite; }
@keyframes scrollDrip{ 0%{ top:-100%; } 60%{ top:100%; } 100%{ top:100%; } }

/* ===================================================================
   Beam divider (signature motif)
   =================================================================== */
.beam-divider{
  position: relative;
  height: 1px;
  margin: 0 6vw;
  background: var(--line);
  overflow: visible;
}
.beam-divider__glow{
  position:absolute; top:50%; left:0;
  width: 90px; height: 3px; margin-left: -45px;
  transform: translateY(-50%);
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--blue-bright), transparent);
  box-shadow: 0 0 16px 3px rgba(107,155,255,0.7);
  opacity: 0;
  pointer-events: none;
}

/* ===================================================================
   Generic section rhythm
   =================================================================== */
.reveal, .services, .pricing, .about, .testimonials, .cta{
  padding: 7rem 0;
}

[data-reveal]{ opacity: 0; transform: translateY(36px); }

/* ===================================================================
   Avant / Après compare slider
   =================================================================== */
.compare{
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 6vw;
}
.compare__panel{
  position: relative;
  height: min(52vw, 560px);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--charcoal);
}
.compare__panel--before{
  position: absolute; top:0; left: 6vw; right: 6vw;
  clip-path: inset(0 50% 0 0);
}
.compare__tag{
  position:absolute; top: 1.4rem; font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase; padding: 0.5em 0.9em;
  border-radius: 2px; backdrop-filter: blur(6px);
}
.compare__tag--after{ right: 1.4rem; background: rgba(59,116,240,0.18); color: var(--blue-bright); border: 1px solid rgba(107,155,255,0.35); }
.compare__tag--before{ left: 1.4rem; background: rgba(238,240,243,0.08); color: var(--chrome-dim); border: 1px solid var(--line-strong); }

.compare__handle{
  position:absolute; top:0; bottom:0; left: 50%;
  width: 2px; background: var(--chrome);
  cursor: ew-resize;
  transform: translateX(-50%);
}
.compare__handle-line{ position:absolute; inset:0; box-shadow: 0 0 14px 2px rgba(238,240,243,0.5); }
.compare__handle-grip{
  position:absolute; top:50%; left:50%; transform: translate(-50%,-50%);
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--chrome); color: var(--black);
  display:flex; align-items:center; justify-content:center; gap: 4px;
  font-size: 0.7rem;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}

.compare__photo{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit: cover;
}

.compare__hint{
  text-align:center; margin-top: 1.4rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--chrome-faint);
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ===================================================================
   Services
   =================================================================== */
.services__grid{
  max-width: 1180px; margin: 0 auto; padding: 0 6vw;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card{
  background: var(--black);
  padding: 2.6rem 2.2rem;
  transition: background 0.4s;
}
.service-card:hover{ background: var(--charcoal); }
.service-card__index{
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--blue-bright);
  display:block; margin-bottom: 1.6rem;
}
.service-card h3{
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 600;
  margin-bottom: 0.8rem;
}
.service-card p{ color: var(--chrome-dim); font-size: 0.95rem; }

/* ===================================================================
   Pricing
   =================================================================== */
.pricing__grid{
  max-width: 1180px; margin: 0 auto; padding: 0 6vw;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem;
  align-items: start;
}
.price-card{
  position: relative;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2.6rem 2rem 2.4rem;
  background: var(--charcoal);
  display: flex; flex-direction: column;
}
.price-card--featured{
  background: linear-gradient(180deg, var(--charcoal-2), var(--charcoal));
  border-color: rgba(107,155,255,0.4);
  box-shadow: 0 30px 60px -20px rgba(59,116,240,0.35);
  transform: translateY(-14px);
}
.price-card__badge{
  position:absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color:#fff;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.5em 1em; border-radius: 999px; white-space: nowrap;
}
.price-card__name{
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--chrome-dim); margin-bottom: 1.4rem;
}
.price-card--featured .price-card__name{ color: var(--blue-bright); }
.price-card__amount{
  font-family: var(--font-display); font-weight: 700; font-size: 2.8rem; color: var(--chrome);
  line-height: 1;
}
.price-card__amount span{ font-size: 1.2rem; color: var(--chrome-dim); margin-left: 2px; }
.price-card__tax{ font-family: var(--font-mono); font-size: 0.75rem; color: var(--chrome-faint); margin-bottom: 1.8rem; }
.price-card__list{ flex: 1; margin-bottom: 1.6rem; }
.price-card__list li{
  font-size: 0.92rem; color: var(--chrome-dim);
  padding: 0.6rem 0; border-top: 1px solid var(--line);
}
.price-card__list li:first-child{ border-top: none; }
.price-card__note{ font-size: 0.82rem; color: var(--chrome-faint); font-style: normal; margin-bottom: 1.4rem; }
.price-card__cta{ width: 100%; justify-content: center; }

.pricing__footnote{
  text-align:center; max-width: 1180px; margin: 3rem auto 0; padding: 0 6vw;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--chrome-faint);
}

/* ===================================================================
   About
   =================================================================== */
.about{
  max-width: 1180px; margin: 0 auto; padding-left: 6vw; padding-right: 6vw;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 5rem; align-items: center;
}
.about__p{ color: var(--chrome-dim); margin: 1.4rem 0; max-width: 52ch; }
.about__stats{ display:flex; gap: 2.6rem; margin-top: 2.2rem; }
.about__stats strong{ display:block; font-family: var(--font-display); font-size: 1.6rem; color: var(--blue-bright); }
.about__stats span{ font-family: var(--font-mono); font-size: 0.7rem; color: var(--chrome-faint); text-transform: uppercase; letter-spacing: 0.06em; }

.about__visual{ position: relative; height: 380px; }
.beam-graphic{ position: relative; width:100%; height:100%; }
.beam-graphic__source{
  position:absolute; left: 10%; top: 50%; transform: translateY(-50%);
  width: 90px; height: 90px; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff, var(--blue-bright) 45%, var(--blue-dim) 100%);
  box-shadow: 0 0 70px 20px rgba(107,155,255,0.55);
}
.beam-graphic__ray{
  position:absolute; left: 22%; top: 50%; width: 78%; height: 40%;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(255,255,255,0.5), rgba(107,155,255,0.1) 60%, transparent);
  clip-path: polygon(0 35%, 0 65%, 100% 100%, 100% 0%);
  filter: blur(3px);
  mix-blend-mode: screen;
}

/* ===================================================================
   Testimonials
   =================================================================== */
.testimonials__grid{
  max-width: 1180px; margin: 0 auto; padding: 0 6vw;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem;
}
.testimonial{
  border-left: 2px solid var(--blue-dim);
  padding-left: 1.6rem; margin: 0;
}
.testimonial p{ color: var(--chrome-dim); font-size: 0.98rem; margin-bottom: 1.2rem; }
.testimonial cite{ font-family: var(--font-mono); font-size: 0.75rem; color: var(--chrome-faint); font-style: normal; }
.testimonials__note{
  text-align:center; max-width: 1180px; margin: 2.6rem auto 0; padding: 0 6vw;
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--chrome-faint); opacity: 0.7;
}

/* ===================================================================
   CTA
   =================================================================== */
.cta{
  position: relative;
  text-align: center;
  overflow: hidden;
  padding-top: 8rem; padding-bottom: 9rem;
}
.cta__lens{
  position: absolute; left: 50%; top: 0; transform: translateX(-50%);
  width: min(70vw, 900px); aspect-ratio: 2/1; opacity: 0.5; pointer-events: none;
}
.lens--small{ transform: scale(0.9); }
.cta__eyebrow{ justify-content: center; }
.cta__title{
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08;
  margin-bottom: 1.6rem; position: relative; z-index: 2;
}
.cta__sub{ color: var(--chrome-dim); max-width: 46ch; margin: 0 auto 2.4rem; position: relative; z-index: 2; }
.cta__contacts{
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  gap: 1.4rem; flex-wrap: wrap;
}
.cta__or{
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--chrome-faint); text-transform: uppercase; letter-spacing: 0.08em;
}

/* ===================================================================
   Footer
   =================================================================== */
.footer{
  border-top: 1px solid var(--line);
  padding: 3.4rem 6vw 2.4rem;
  text-align: center;
}
.footer__mark{ width: min(90%, 380px); height: auto; display: inline-block; margin-bottom: 1rem; }
.footer__tagline{ color: var(--chrome-faint); font-size: 0.9rem; margin-bottom: 1.8rem; }
.footer__meta{
  display:flex; justify-content:center; gap: 2rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--chrome-dim);
  margin-bottom: 2rem;
}
.footer__meta a{ transition: color 0.3s; }
.footer__meta a:hover{ color: var(--blue-bright); }
.footer__copy{ font-family: var(--font-mono); font-size: 0.7rem; color: var(--chrome-faint); }

/* ===================================================================
   Responsive
   =================================================================== */
@media (max-width: 900px){
  .nav__links{ display:none; }
  .nav__right{ display:none; }
  .nav__burger{ display:flex; }

  .hero__lens{ opacity: 0.35; width: 90vw; right: -20vw; }

  .about{ grid-template-columns: 1fr; }
  .about__visual{ height: 240px; order: -1; }

  .services__grid{ grid-template-columns: 1fr; }
  .pricing__grid{ grid-template-columns: 1fr; }
  .price-card--featured{ transform: none; order: -1; }
  .testimonials__grid{ grid-template-columns: 1fr; gap: 2.4rem; }

  .compare__panel--before, .compare__panel{ left: 4vw; right: 4vw; }
}

@media (max-width: 560px){
  .hero{ padding: 0 5vw; }
  .hero__cta{ gap: 1.2rem; }
}