/* ===========================================================
   BESELF — Studio digital, Chambéry
   ===========================================================
   TOKENS
   Couleur   : noir profond / blanc pur / gris pierre / argent /
               bleu glacier / lueur lever de soleil (accent rare)
   Type      : Fraunces (display) — Inter (texte) — JetBrains Mono
               (données, labels, altitude)
   Signature : le HUD d'altitude vertical, fixe, qui transforme le
               scroll en ascension réelle (0 → 4 808 m, Mont Blanc)
   =========================================================== */

:root{
  /* couleur */
  --noir:        #050505;
  --noir-2:      #0b0c0e;
  --noir-3:      #131417;
  --blanc:       #fafaf8;
  --blanc-pur:   #ffffff;
  --pierre:      #8b8d87;
  --pierre-d:    #5c5e59;
  --argent:      #c9cdd2;
  --glacier:     #9fc1d9;
  --lumiere:     #ffe3b8;

  /* type */
  --f-display: 'Fraunces', Georgia, serif;
  --f-body:    'Inter', -apple-system, sans-serif;
  --f-mono:    'JetBrains Mono', 'SF Mono', monospace;

  /* rythme */
  --section-pad: clamp(5rem, 12vw, 11rem);
  --edge-pad:    clamp(1.5rem, 5vw, 4.5rem);
  --hud-width:   84px;

  --ease-out:   cubic-bezier(.16,1,.3,1);
  --ease-inout: cubic-bezier(.65,0,.35,1);
}

/* ===========================================================
   RESET & BASE
   =========================================================== */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
html,body{ background:var(--noir); color:var(--blanc); }
body{
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
h1,h2,h3{ font-family:var(--f-display); font-weight:600; line-height:1.05; letter-spacing:-0.01em; }
.mono{ font-family:var(--f-mono); letter-spacing:0.03em; }

::selection{ background:var(--glacier); color:var(--noir); }

a:focus-visible,
button:focus-visible{
  outline:1px solid var(--glacier);
  outline-offset:4px;
  border-radius:2px;
}

section[id]{ scroll-margin-top:90px; }

.section-inner{
  max-width:780px;
  margin:0 auto;
  padding:0 var(--edge-pad);
}
.section-inner--wide{ max-width:1100px; }

.eyebrow{
  font-size:.72rem;
  text-transform:uppercase;
  color:var(--pierre);
  margin-bottom:1.4rem;
  display:block;
}
.section-title{
  font-size:clamp(2rem, 4.5vw, 3.4rem);
  margin-bottom:1.1rem;
}
.section-intro{
  color:var(--pierre);
  max-width:38em;
  font-size:1.05rem;
}

/* ===========================================================
   REVEAL ON SCROLL
   =========================================================== */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);
  transition-delay:var(--reveal-delay, 0s);
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ===========================================================
   PRELOADER
   =========================================================== */
#preloader{
  position:fixed; inset:0; z-index:200;
  background:var(--noir);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:1.1rem;
  transition:opacity .9s var(--ease-inout), visibility .9s;
}
#preloader.is-done{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader-mark{ width:160px; height:48px; opacity:.85; }
.preloader-mark path{
  stroke-dasharray:600;
  stroke-dashoffset:600;
  animation:drawPeaks 1.4s var(--ease-out) forwards .2s;
}
@keyframes drawPeaks{ to{ stroke-dashoffset:0; } }
.preloader-word{
  font-family:var(--f-display);
  font-weight:600;
  font-size:1.6rem;
  letter-spacing:.16em;
  opacity:0;
  animation:fadeUp .8s var(--ease-out) forwards 1s;
}
.preloader-alt{
  font-family:var(--f-mono);
  font-size:.75rem;
  color:var(--pierre);
  opacity:0;
  animation:fadeUp .8s var(--ease-out) forwards 1.2s;
}
@keyframes fadeUp{ from{ opacity:0; transform:translateY(8px);} to{ opacity:1; transform:translateY(0);} }

/* ===========================================================
   ALTITUDE HUD — signature element
   =========================================================== */
.altitude-hud{
  position:fixed;
  top:0; right:0;
  width:var(--hud-width);
  height:100vh;
  z-index:60;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:6.5rem 0 2.5rem;
  pointer-events:none;
  opacity:0;
  transition:opacity .8s var(--ease-out);
}
.altitude-hud.is-active{ opacity:1; }

.hud-track{
  position:relative;
  width:1px;
  flex:1;
  background:rgba(250,250,248,.12);
}
.hud-fill{
  position:absolute;
  bottom:0; left:0;
  width:100%;
  height:0%;
  background:linear-gradient(to top, var(--glacier), var(--argent));
  transition:height .05s linear;
}
.hud-dot{
  position:absolute;
  left:50%;
  bottom:0%;
  width:7px; height:7px;
  border-radius:50%;
  background:var(--blanc-pur);
  box-shadow:0 0 10px 2px rgba(159,193,217,.7);
  transform:translate(-50%, 50%);
  transition:bottom .05s linear;
}

.hud-ticks{
  position:absolute;
  top:6.5rem;
  bottom:2.5rem;
  right:18px;
  width:1px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.hud-ticks li{
  position:relative;
  height:1px;
}
.hud-tick-label{
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  font-family:var(--f-mono);
  font-size:.62rem;
  letter-spacing:.08em;
  color:var(--pierre-d);
  white-space:nowrap;
  transition:color .4s, opacity .4s;
  opacity:.6;
}
.hud-ticks li.is-current .hud-tick-label{ color:var(--blanc); opacity:1; }

.hud-readout{
  font-family:var(--f-mono);
  font-size:.78rem;
  color:var(--argent);
  letter-spacing:.02em;
  writing-mode:vertical-rl;
  margin-top:1rem;
}
.hud-unit{ color:var(--pierre); margin-left:2px; }

@media (max-width: 880px){
  .altitude-hud{
    width:100%;
    height:auto;
    top:0; left:0; right:0;
    flex-direction:row;
    padding:0;
    z-index:90;
  }
  .hud-track{ width:100%; height:2px; flex:none; }
  .hud-fill{ width:0%; height:100%; background:linear-gradient(to right, var(--glacier), var(--argent)); }
  .hud-dot{ top:50%; left:0%; bottom:auto; transform:translate(-50%,-50%); }
  .hud-ticks, .hud-readout{ display:none; }
}

/* ===========================================================
   HEADER / NAV
   =========================================================== */
.site-header{
  position:fixed;
  top:0; left:0; right:var(--hud-width);
  z-index:80;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.5rem var(--edge-pad);
  mix-blend-mode:difference;
}
@media (max-width:880px){ .site-header{ right:0; padding-top:1.3rem; } }

.logo{
  font-family:var(--f-display);
  font-weight:600;
  font-size:1.15rem;
  letter-spacing:.02em;
}
.main-nav{ display:flex; gap:2.4rem; font-size:.85rem; color:var(--argent); }
.main-nav a{ position:relative; padding-bottom:2px; }
.main-nav a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:currentColor;
  transition:width .35s var(--ease-out);
}
.main-nav a:hover::after{ width:100%; }

.nav-cta{
  font-size:.8rem;
  border:1px solid rgba(250,250,248,.4);
  padding:.6rem 1.2rem;
  border-radius:100px;
  transition:background .3s, color .3s;
}
.nav-cta:hover{ background:var(--blanc); color:var(--noir); }

.nav-burger{
  display:none;
  width:26px; height:18px;
  position:relative;
}
.nav-burger span{
  position:absolute; left:0; right:0; height:1px; background:var(--blanc);
  transition:transform .3s var(--ease-out), opacity .3s;
}
.nav-burger span:first-child{ top:0; }
.nav-burger span:last-child{ bottom:0; }
.nav-burger[aria-expanded="true"] span:first-child{ transform:translateY(8.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child{ transform:translateY(-8.5px) rotate(-45deg); }

@media (max-width:880px){
  .main-nav, .nav-cta{ display:none; }
  .nav-burger{ display:block; }
}

.mobile-nav{
  position:fixed; inset:0;
  background:var(--noir);
  z-index:75;
  display:flex; flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  gap:1.6rem;
  padding:0 var(--edge-pad);
  transform:translateY(-100%);
  transition:transform .5s var(--ease-inout);
}
.mobile-nav.is-open{ transform:translateY(0); }
.mobile-nav a{ font-family:var(--f-display); font-size:2.1rem; }

/* ===========================================================
   1. HERO
   =========================================================== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
  padding:0 var(--hud-width) 0 0;
}
@media (max-width:880px){ .hero{ padding-right:0; } }

.hero-sky{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 28%, #15191d 0%, var(--noir) 62%);
}
.hero-sun{
  position:absolute;
  left:50%; top:34%;
  width:340px; height:340px;
  border-radius:50%;
  background:radial-gradient(circle, var(--lumiere) 0%, rgba(255,227,184,.25) 38%, transparent 70%);
  filter:blur(2px);
  transform:translate(-50%,-50%);
  opacity:.55;
  will-change:transform;
}
.hero-particles{ position:absolute; inset:0; pointer-events:none; }
.hero-particle{
  position:absolute;
  width:2px; height:2px;
  border-radius:50%;
  background:var(--blanc);
  opacity:0;
  animation:driftParticle linear infinite;
}
@keyframes driftParticle{
  0%{ opacity:0; transform:translateY(0) translateX(0);}
  10%{ opacity:.7;}
  90%{ opacity:.4;}
  100%{ opacity:0; transform:translateY(-120px) translateX(20px);}
}

.hero-mountains{
  position:absolute;
  bottom:0; left:0;
  width:100%;
  height:62%;
  will-change:transform;
}
.ridge{ transition:transform .1s linear; }
.ridge-far{  will-change:transform; }
.ridge-mid{  will-change:transform; }
.ridge-near{ will-change:transform; }

.hero-fog{
  position:absolute;
  left:0; right:0; bottom:8%;
  height:30%;
  background:linear-gradient(to top, rgba(250,250,248,.06), transparent);
  filter:blur(6px);
  pointer-events:none;
}

.hero-content{
  position:relative;
  z-index:2;
  padding:0 var(--edge-pad);
  margin-top:7.5rem;
}
.hero-word{
  position:relative;
  margin:.6rem 0 1.6rem;
  width:fit-content;
}
.hero-word-letters{
  font-family:var(--f-display);
  font-weight:900;
  font-size:clamp(3.4rem, 13vw, 9.5rem);
  letter-spacing:-.015em;
  color:var(--blanc-pur);
  display:block;
  line-height:.92;
}
.hero-word-peaks{
  position:absolute;
  left:0; right:0; bottom:-6px;
  height:14%;
  width:100%;
}
.hero-word-peaks path{ fill:var(--noir); }

.hero-claim{
  font-family:var(--f-display);
  font-style:italic;
  font-weight:400;
  font-size:clamp(1.2rem, 2.4vw, 1.7rem);
  color:var(--argent);
  margin-bottom:1.3rem;
  max-width:20em;
}
.hero-body{
  color:var(--pierre);
  max-width:34em;
  font-size:1.02rem;
}

.hero-scroll-cue{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:.9rem;
  padding:0 var(--edge-pad) 3rem;
  margin-top:auto;
  font-size:.74rem;
  color:var(--pierre);
}
.scroll-line{
  width:90px; height:1px;
  background:rgba(250,250,248,.18);
  position:relative;
  overflow:hidden;
}
.scroll-line-fill{
  position:absolute; left:0; top:0; bottom:0;
  width:30%;
  background:var(--blanc);
  animation:scrollFill 2.2s var(--ease-inout) infinite;
}
@keyframes scrollFill{
  0%{ transform:translateX(-100%); }
  100%{ transform:translateX(330%); }
}

/* ===========================================================
   2. MANIFESTO — Acte I
   =========================================================== */
.manifesto{ padding:var(--section-pad) 0; padding-right:var(--hud-width); }
@media (max-width:880px){ .manifesto{ padding-right:0; } }

.manifesto-title{
  font-size:clamp(1.9rem, 4.2vw, 3rem);
  margin-bottom:1.6rem;
}
.manifesto-body{
  color:var(--pierre);
  font-size:1.08rem;
  max-width:40em;
  margin-bottom:3.6rem;
}
.manifesto-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:2.4rem;
}
.manifesto-item{ border-top:1px solid rgba(250,250,248,.14); padding-top:1.3rem; }
.manifesto-num{ color:var(--pierre-d); font-size:.78rem; }
.manifesto-item h3{ font-size:1.15rem; margin:.7rem 0 .5rem; font-weight:500; }
.manifesto-item p{ color:var(--pierre); font-size:.92rem; }

@media (max-width:720px){
  .manifesto-grid{ grid-template-columns:1fr; gap:1.8rem; }
}

/* ===========================================================
   3. SERVICES — Acte II — "voies" (routes)
   =========================================================== */
.services{ padding:var(--section-pad) 0; padding-right:var(--hud-width); background:var(--noir-2); }
@media (max-width:880px){ .services{ padding-right:0; } }

.section-intro{ margin-bottom:3rem; }

.route-list{ border-top:1px solid rgba(250,250,248,.16); }
.route{ border-bottom:1px solid rgba(250,250,248,.16); }
.route-head{
  width:100%;
  display:flex;
  align-items:center;
  gap:1.6rem;
  padding:1.5rem 0;
  text-align:left;
}
.route-grade{
  font-size:.85rem;
  color:var(--glacier);
  width:2.6rem;
  flex:none;
}
.route-name{
  font-family:var(--f-display);
  font-size:clamp(1.15rem, 2.3vw, 1.55rem);
  font-weight:500;
  flex:1;
  transition:transform .4s var(--ease-out);
}
.route-head:hover .route-name{ transform:translateX(8px); }
.route-toggle{
  font-size:1.3rem;
  color:var(--pierre);
  transition:transform .4s var(--ease-out);
  flex:none;
}
.route[data-open="true"] .route-toggle{ transform:rotate(45deg); }

.route-body{
  display:grid;
  grid-template-rows:0fr;
  overflow:hidden;
  transition:grid-template-rows .5s var(--ease-out);
}
.route-body p{
  grid-row:1;
  grid-column:1;
  overflow:hidden;
  min-height:0;
  color:var(--pierre);
  max-width:42em;
  font-size:1rem;
  padding-bottom:0;
  transition:padding-bottom .5s var(--ease-out);
}
.route[data-open="true"] .route-body{ grid-template-rows:1fr; }
.route[data-open="true"] .route-body p{ padding-bottom:1.6rem; }

.route-legend{ margin-top:1.6rem; font-size:.72rem; color:var(--pierre-d); }

/* ===========================================================
   4. PORTFOLIO — Acte III
   =========================================================== */
.portfolio{ padding:var(--section-pad) 0; padding-right:0; }
.portfolio .section-inner{ padding-right:var(--hud-width); }
@media (max-width:880px){ .portfolio .section-inner{ padding-right:var(--edge-pad); } }

.portfolio-track{
  display:flex;
  gap:1.6rem;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-padding-left:var(--edge-pad);
  padding:3rem var(--edge-pad) 1rem;
  margin-right:var(--hud-width);
  scrollbar-width:thin;
  scrollbar-color:rgba(250,250,248,.3) transparent;
  cursor:grab;
}
.portfolio-track.is-dragging{ cursor:grabbing; scroll-snap-type:none; user-select:none; }
@media (max-width:880px){ .portfolio-track{ margin-right:0; } }
.portfolio-track::-webkit-scrollbar{ height:4px; }
.portfolio-track::-webkit-scrollbar-thumb{ background:rgba(250,250,248,.25); }

.peak-card{
  flex:none;
  display:block;
  width:min(74vw, 380px);
  scroll-snap-align:start;
  cursor:pointer;
  color:inherit;
  text-decoration:none;
}
.peak-card-media{
  position:relative;
  height:480px;
  background:
    linear-gradient(155deg, var(--tint) 0%, #08090a 75%);
  overflow:hidden;
  display:flex;
  align-items:flex-end;
  padding:1.4rem;
  transition:transform .6s var(--ease-out);
}
.peak-card-media::before{
  content:'';
  position:absolute; inset:0;
  background:
    linear-gradient(0deg, rgba(0,0,0,.35), transparent 45%),
    repeating-linear-gradient(115deg, transparent 0 26px, rgba(255,255,255,.025) 26px 27px);
}
.peak-card:hover .peak-card-media{ transform:scale(1.035); }
.peak-elev{
  position:relative;
  z-index:1;
  font-size:.75rem;
  color:var(--argent);
  border:1px solid rgba(250,250,248,.3);
  padding:.35rem .7rem;
  border-radius:100px;
  backdrop-filter:blur(4px);
}
.peak-card-info{ padding-top:1.2rem; }
.peak-card-info h3{ font-size:1.3rem; margin-bottom:.3rem; font-weight:500; }
.peak-meta{ color:var(--pierre); font-size:.88rem; margin-bottom:.5rem; }
.peak-result{ font-size:.78rem; color:var(--glacier); }

/* --- variante photo : vraies captures d'écran des réalisations --- */
.peak-card-media--photo{
  background-size:cover;
  background-position:top center;
  background-color:var(--tint);
}
.peak-card-media--photo::before{
  background:
    linear-gradient(180deg, rgba(5,5,6,.05) 0%, rgba(5,5,6,.15) 45%, rgba(5,5,6,.88) 100%),
    repeating-linear-gradient(115deg, transparent 0 26px, rgba(255,255,255,.02) 26px 27px);
}
.peak-card:hover .peak-result{ color:var(--blanc); }
.peak-card-media--photo .peak-elev{ background:rgba(5,5,6,.35); }

/* --- carte "Et si c'était votre projet ?" : halo qui respire, invite à cliquer --- */
.peak-card--cta .peak-card-media--cta{
  background:linear-gradient(155deg, #16232b 0%, #08090a 75%);
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px dashed rgba(159,193,217,.35);
}
.peak-card--cta .peak-card-media--cta::before{ content:none; }
.peak-card--cta .peak-elev{
  position:absolute;
  left:1.4rem;
  bottom:1.4rem;
  background:rgba(5,5,6,.35);
}
.cta-ring{
  position:absolute;
  width:120px;
  height:120px;
  border-radius:50%;
  border:1px solid rgba(159,193,217,.4);
  animation:ctaPulseRing 2.8s var(--ease-out) infinite;
}
.cta-ring::before,
.cta-ring::after{
  content:'';
  position:absolute;
  inset:-24px;
  border-radius:50%;
  border:1px solid rgba(159,193,217,.22);
  animation:ctaPulseRing 2.8s var(--ease-out) infinite;
  animation-delay:.5s;
}
.cta-ring::after{ inset:-48px; animation-delay:1s; }
.cta-plus{
  position:relative;
  z-index:1;
  font-size:2.4rem;
  font-weight:300;
  color:var(--glacier);
  transition:transform .5s var(--ease-out), color .3s;
}
.peak-card--cta:hover .cta-plus{ transform:rotate(90deg) scale(1.15); color:var(--blanc); }
.peak-card--cta:hover .peak-card-media--cta{ border-color:rgba(159,193,217,.7); }
.peak-card--cta .peak-card-info h3{ color:var(--glacier); }

@keyframes ctaPulseRing{
  0%{ transform:scale(.85); opacity:.9; }
  70%{ opacity:0; }
  100%{ transform:scale(1.15); opacity:0; }
}
@media (prefers-reduced-motion: reduce){
  .cta-ring, .cta-ring::before, .cta-ring::after{ animation:none; opacity:.6; }
}

/* ===========================================================
   5. NUMBERS — profil d'élévation
   =========================================================== */
.numbers{ padding:var(--section-pad) 0; padding-right:var(--hud-width); background:var(--noir-2); }
@media (max-width:880px){ .numbers{ padding-right:0; } }

.profile-wrap{
  position:relative;
  max-width:1100px;
  margin:3.5rem auto 0;
  padding:0 var(--edge-pad);
}
.profile-svg{ width:100%; height:auto; display:block; }
.profile-grid{ stroke:rgba(250,250,248,.07); stroke-width:1; }
.profile-path{
  fill:none;
  stroke:var(--glacier);
  stroke-width:2;
  stroke-linecap:round;
  stroke-dasharray:1700;
  stroke-dashoffset:1700;
  transition:stroke-dashoffset 2.2s var(--ease-out);
}
.profile-wrap.is-drawn .profile-path{ stroke-dashoffset:0; }
.profile-point{
  fill:var(--noir-2);
  stroke:var(--blanc);
  stroke-width:2;
  opacity:0;
  transition:opacity .6s var(--ease-out) 1.6s;
}
.profile-wrap.is-drawn .profile-point{ opacity:1; }

.profile-stats{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:2.5rem 2rem;
  margin-top:2.5rem;
}
.profile-stat{
  display:flex;
  flex-direction:column;
  min-width:0;
}
.stat-num{
  font-size:clamp(2.2rem, 5vw, 3.2rem);
  font-weight:500;
  color:var(--blanc-pur);
  display:inline-block;
}
.stat-unit{ font-size:1rem; color:var(--pierre); }
.stat-label{ color:var(--pierre); font-size:.86rem; margin-top:.3rem; max-width:16em; }

/* ===========================================================
   6. TESTIMONIALS — carnet de cordée
   =========================================================== */
.testimonials{ padding:var(--section-pad) 0; padding-right:var(--hud-width); }
@media (max-width:880px){ .testimonials{ padding-right:0; } }

.logbook{
  max-width:780px;
  margin:3rem auto 0;
  padding:0 var(--edge-pad);
}
.logbook-deck{
  position:relative;
  min-height:240px;
}
.logbook-entry{
  position:absolute;
  inset:0;
  opacity:0;
  transform:translateY(16px);
  transition:opacity .7s var(--ease-out), transform .7s var(--ease-out);
  pointer-events:none;
  border-left:2px solid rgba(250,250,248,.18);
  padding-left:1.8rem;
}
.logbook-entry.is-active{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.logbook-entry p{
  font-family:var(--f-display);
  font-style:italic;
  font-size:clamp(1.25rem, 2.6vw, 1.7rem);
  line-height:1.4;
  color:var(--blanc);
  margin-bottom:1.6rem;
}
.logbook-entry footer{ display:flex; gap:.9rem; align-items:baseline; }
.entry-name{ font-weight:500; }
.entry-role{ font-size:.72rem; color:var(--pierre); }

.logbook-nav{
  display:flex;
  align-items:center;
  gap:1.4rem;
  margin-top:2.4rem;
}
.logbook-nav button{
  width:38px; height:38px;
  border:1px solid rgba(250,250,248,.25);
  border-radius:50%;
  transition:background .3s, border-color .3s;
}
.logbook-nav button:hover{ background:var(--blanc); color:var(--noir); border-color:var(--blanc); }
.logbook-dots{ display:flex; gap:.5rem; }
.logbook-dots span{
  width:6px; height:6px;
  border-radius:50%;
  background:rgba(250,250,248,.25);
  transition:background .3s, transform .3s;
}
.logbook-dots span.is-active{ background:var(--blanc); transform:scale(1.3); }

/* ===========================================================
   7. SUMMIT CTA
   =========================================================== */
.summit{
  position:relative;
  min-height:90vh;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  text-align:center;
  background:var(--noir);
}
.summit-glow{
  position:absolute;
  left:50%; bottom:0;
  width:900px; height:900px;
  background:radial-gradient(circle, rgba(255,227,184,.18) 0%, rgba(159,193,217,.08) 38%, transparent 70%);
  transform:translate(-50%, 35%);
  opacity:0;
  transition:opacity 1.6s var(--ease-out);
}
.summit.is-visible .summit-glow{ opacity:1; }

.summit-peak{
  position:absolute;
  left:0; right:0; bottom:0;
  width:100%;
  height:55%;
  opacity:.9;
}

.summit-particles{ position:absolute; inset:0; pointer-events:none; }
.summit-particle{
  position:absolute;
  width:2px; height:2px;
  border-radius:50%;
  background:var(--blanc);
  opacity:0;
  animation:driftParticle linear infinite;
}

.summit-content{ position:relative; z-index:2; padding:0 var(--edge-pad); }
.summit-alt{
  font-size:.85rem;
  color:var(--lumiere);
  margin-bottom:1.6rem;
  letter-spacing:.06em;
}
.summit-title{
  font-size:clamp(2.1rem, 5.5vw, 4.2rem);
  margin-bottom:1.4rem;
}
.summit-body{ color:var(--pierre); font-size:1.1rem; margin-bottom:2.6rem; }
.summit-cta{
  display:inline-flex;
  align-items:center;
  gap:.8rem;
  font-size:1rem;
  border:1px solid var(--blanc);
  padding:1rem 2rem;
  border-radius:100px;
  transition:background .35s var(--ease-out), color .35s var(--ease-out), gap .35s;
}
.summit-cta:hover{ background:var(--blanc); color:var(--noir); gap:1.2rem; }
.summit-cta-arrow{ transition:transform .35s var(--ease-out); }
.summit-cta:hover .summit-cta-arrow{ transform:translateY(-3px); }

/* ===========================================================
   FOOTER
   =========================================================== */
.site-footer{
  padding:3.2rem var(--edge-pad) 2.4rem;
  padding-right:calc(var(--hud-width) + var(--edge-pad));
  border-top:1px solid rgba(250,250,248,.12);
}
@media (max-width:880px){ .site-footer{ padding-right:var(--edge-pad); } }

.footer-top{
  display:flex;
  flex-wrap:wrap;
  gap:1.6rem;
  align-items:center;
  justify-content:space-between;
  margin-bottom:2.2rem;
}
.footer-logo{ font-family:var(--f-display); font-weight:600; font-size:1.05rem; }
.footer-nav{ display:flex; gap:1.8rem; font-size:.85rem; color:var(--argent); }
.footer-social{ display:flex; gap:1.4rem; font-size:.85rem; color:var(--pierre); }
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem 1.6rem;
  justify-content:space-between;
  font-size:.7rem;
  color:var(--pierre-d);
}

/* ===========================================================
   RESPONSIVE — fine tuning
   =========================================================== */
@media (max-width:640px){
  .section-inner, .section-inner--wide{ padding:0 var(--edge-pad); }
  .route-head{ gap:1rem; }
  .route-name{ font-size:1.05rem; }
  .peak-card{ width:80vw; }
}

@media (max-width:720px){
  .profile-stats{ grid-template-columns:repeat(2, minmax(0,1fr)); gap:2.2rem 1.4rem; }
}

/* ===========================================================
   ACCESSIBILITY — reduced motion
   =========================================================== */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .reveal{ opacity:1; transform:none; }
}