/* ============================================================
   NELO.243 — PORTFOLIO V5 PREMIUM
   NelohimA · Nelo Lab — Engagement · Travail · Autonomie
   ============================================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- Design Tokens ---------- */
:root{
  /* Brand accents (constant across themes) */
  --red:#ff2b2b;
  --red-soft:#ff5c5c;
  --cyan:#4fc3f7;
  --cyan-soft:#7ed6ff;
  --gold:#d4af37;

  /* Dark theme (default) */
  --bg:#060608;
  --bg-elevated:#0d0d12;
  --surface:rgba(255,255,255,.045);
  --surface-strong:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.09);
  --text:#f4f4f7;
  --text-dim:#9a9aa6;
  --text-faint:#5f5f6b;
  --shadow:0 20px 60px rgba(0,0,0,.5);

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

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:26px;
  --ease:cubic-bezier(.22,.9,.32,1);
  --header-h:80px;
}

html[data-theme="light"]{
  --bg:#fbfbf9;
  --bg-elevated:#ffffff;
  --surface:rgba(10,10,20,.03);
  --surface-strong:rgba(10,10,20,.06);
  --border:rgba(10,10,20,.08);
  --text:#121218;
  --text-dim:#5a5a66;
  --text-faint:#9b9ba5;
  --shadow:0 20px 50px rgba(20,20,40,.08);
}

html[data-theme="sepia"]{
  --bg:#f1e6d2;
  --bg-elevated:#ece0c6;
  --surface:rgba(59,46,31,.04);
  --surface-strong:rgba(59,46,31,.09);
  --border:rgba(59,46,31,.16);
  --text:#3a2c1c;
  --text-dim:#6b5842;
  --text-faint:#9c8567;
  --shadow:0 20px 50px rgba(59,46,31,.15);
  --red:#c1443b;
  --red-soft:#d4665e;
  --cyan:#2f8fa1;
  --cyan-soft:#4aa8b9;
  --gold:#a9812f;
}

/* ---------- Reset ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  transition:background .5s var(--ease), color .5s var(--ease);
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
::selection{background:var(--red);color:#fff;}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar{width:9px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--red),var(--cyan));border-radius:10px;}

/* ---------- Utility ---------- */
.container{max-width:1280px;margin:0 auto;padding:0 6%;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  margin-bottom:1.1rem;
}
.eyebrow::before{
  content:'';
  width:26px;height:1px;
  background:linear-gradient(90deg,var(--red),var(--cyan));
}
.section-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2rem,4.5vw,3rem);
  letter-spacing:-.02em;
  margin-bottom:.9rem;
}
.section-desc{
  color:var(--text-dim);
  max-width:640px;
  font-size:1.02rem;
}
.section-head{margin-bottom:3.2rem;}

.grad-text{
  background:linear-gradient(120deg,var(--text) 10%,var(--cyan) 50%,var(--red) 90%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

section{position:relative;padding:130px 0 90px;}
section.compact{padding:90px 0;}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-delay-1.visible{transition-delay:.08s;}
.reveal-delay-2.visible{transition-delay:.16s;}
.reveal-delay-3.visible{transition-delay:.24s;}
.reveal-delay-4.visible{transition-delay:.32s;}

/* Signature divider — signal line motif */
.signal-divider{
  position:relative;
  height:1px;
  margin:0 auto;
  max-width:1280px;
  background:linear-gradient(90deg,transparent,var(--border) 15%,var(--border) 85%,transparent);
}
.signal-divider::after{
  content:'';
  position:absolute;
  top:-3px;left:0;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 14px 2px var(--cyan);
  animation:travel 7s linear infinite;
}
@keyframes travel{
  0%{left:0;background:var(--cyan);box-shadow:0 0 14px 2px var(--cyan);}
  50%{background:var(--red);box-shadow:0 0 14px 2px var(--red);}
  100%{left:calc(100% - 7px);background:var(--cyan);box-shadow:0 0 14px 2px var(--cyan);}
}

/* ---------- Preloader ---------- */
#preloader{
  position:fixed;inset:0;z-index:9999;
  background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.pre-mark{
  font-family:var(--font-display);
  font-weight:700;font-size:1.6rem;letter-spacing:.08em;
  color:var(--text);
}
.pre-mark span{color:var(--red);}
.pre-bar{width:180px;height:2px;background:var(--surface-strong);border-radius:2px;overflow:hidden;}
.pre-bar::after{
  content:'';display:block;height:100%;width:40%;
  background:linear-gradient(90deg,var(--cyan),var(--red));
  animation:preload 1.1s ease-in-out infinite;
}
@keyframes preload{0%{transform:translateX(-100%);}100%{transform:translateX(350%);}}

/* ---------- Cursor (desktop) ---------- */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:9998;
  border-radius:50%;
  transform:translate(-50%,-50%);
  transition:opacity .3s ease;
}
.cursor-dot{width:6px;height:6px;background:var(--red);}
.cursor-ring{width:34px;height:34px;border:1px solid var(--cyan);transition:width .2s,height .2s,border-color .2s, opacity .3s;}
.cursor-ring.grow{width:56px;height:56px;border-color:var(--red);}
@media (hover:none), (pointer:coarse){
  .cursor-dot,.cursor-ring{display:none;}
}

/* ---------- Scroll progress ---------- */
#scroll-progress{
  position:fixed;top:0;left:0;height:3px;
  background:linear-gradient(90deg,var(--red),var(--cyan));
  z-index:1100;width:0%;
  transition:width .1s linear;
}

/* ---------- Navigation ---------- */
header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  padding:1.15rem 0;
  transition:padding .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
header.scrolled{
  padding:.7rem 0;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--border);
}
nav{display:flex;align-items:center;justify-content:space-between;}
.logo{
  font-family:var(--font-display);
  font-size:1.4rem;font-weight:700;letter-spacing:.03em;
  display:flex;align-items:center;gap:.55rem;
}
.logo .mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--red),var(--cyan));
  color:#fff;font-size:1rem;
}
.logo .word{background:linear-gradient(135deg,var(--text),var(--cyan) 60%,var(--red));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}

.nav-links{display:flex;gap:2.1rem;align-items:center;}
.nav-links a{
  font-size:.92rem;font-weight:500;color:var(--text-dim);
  position:relative;padding:.3rem 0;transition:color .3s ease;
  display:flex;align-items:center;gap:.45rem;
}
.nav-links a i{font-size:.78rem;opacity:.7;}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--red),var(--cyan));
  transition:width .3s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}

.nav-controls{display:flex;align-items:center;gap:.9rem;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;color:var(--text);
  transition:all .35s var(--ease);
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 8px 20px -8px var(--cyan);}
.nav-cta{
  padding:.7rem 1.4rem;border-radius:50px;
  background:linear-gradient(135deg,var(--red),var(--cyan));
  color:#fff;font-weight:600;font-size:.88rem;
  display:flex;align-items:center;gap:.5rem;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px -10px var(--red);}

.burger{
  display:none;flex-direction:column;gap:5px;
  width:42px;height:42px;border-radius:50%;
  align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);
}
.burger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:.35s var(--ease);}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.active span:nth-child(2){opacity:0;}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
#home{
  min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;
  padding-top:var(--header-h);
  position:relative;
  overflow:hidden;
}
#particles-canvas{position:absolute;inset:0;z-index:0;opacity:.55;pointer-events:none;}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:920px;margin:0 auto;}
.hero-badge{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.5rem 1.1rem;border-radius:50px;
  background:var(--surface);border:1px solid var(--border);
  font-family:var(--font-mono);font-size:.78rem;color:var(--text-dim);
  margin-bottom:1.8rem;
}
.hero-badge i{color:var(--gold);}
.hero-title{
  font-family:var(--font-display);
  font-size:clamp(2.8rem,9vw,5.6rem);
  font-weight:700;letter-spacing:-.03em;line-height:1.02;
  margin-bottom:1rem;
}
.hero-role{
  font-family:var(--font-mono);
  font-size:clamp(1.05rem,2.4vw,1.4rem);
  color:var(--cyan);min-height:2rem;margin-bottom:1.6rem;
}
.hero-role .cursor-char{opacity:.7;animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}
.hero-desc{
  color:var(--text-dim);font-size:1.08rem;max-width:640px;margin:0 auto 2.4rem;
}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:3.5rem;}
.btn{
  padding:.95rem 1.9rem;border-radius:50px;font-weight:600;font-size:.95rem;
  display:inline-flex;align-items:center;gap:.6rem;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--red),var(--cyan));color:#fff;}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 30px -12px var(--red);}
.btn-outline{border:1px solid var(--border);background:var(--surface);color:var(--text);}
.btn-outline:hover{transform:translateY(-3px);border-color:var(--cyan);}

.hero-stats{
  display:flex;justify-content:center;gap:clamp(1.6rem,5vw,4rem);
  margin-bottom:2.6rem;flex-wrap:wrap;
}
.stat h3{
  font-family:var(--font-display);font-size:2.2rem;font-weight:700;
  background:linear-gradient(135deg,var(--cyan),var(--red));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat p{font-size:.82rem;color:var(--text-faint);margin-top:.2rem;letter-spacing:.02em;}

.social-grid{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center;}
.social-btn{
  width:46px;height:46px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;color:var(--text-dim);
  transition:all .35s var(--ease);
}
.social-btn:hover{
  color:#fff;transform:translateY(-4px) scale(1.06);
  background:linear-gradient(135deg,var(--red),var(--cyan));
  border-color:transparent;
  box-shadow:0 10px 24px -10px var(--red);
}

.scroll-cue{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.5rem;
  color:var(--text-faint);font-size:.75rem;font-family:var(--font-mono);
  animation:bob 2.4s ease-in-out infinite;
  z-index:2;
}
@keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}

/* ---------- About ---------- */
.about-grid{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:4rem;align-items:start;
}
.about-visual{position:relative;}
.about-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  aspect-ratio:4/5;
}
.about-frame img{width:100%;height:100%;object-fit:cover;}
.about-frame::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,color-mix(in srgb, var(--bg) 70%, transparent),transparent 50%);
}
.about-badge-float{
  position:absolute;bottom:-22px;left:-22px;
  background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:1rem 1.3rem;
  box-shadow:var(--shadow);
  display:flex;align-items:center;gap:.8rem;
}
.about-badge-float i{font-size:1.4rem;color:var(--gold);}
.about-badge-float strong{display:block;font-family:var(--font-display);font-size:1.1rem;}
.about-badge-float span{font-size:.78rem;color:var(--text-faint);}

.about-content p{color:var(--text-dim);margin-bottom:1.1rem;font-size:1.02rem;}
.about-content strong{color:var(--text);}

.vm-row{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin:2.2rem 0;}
.vm-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:1.6rem;
  transition:transform .35s var(--ease), border-color .35s ease;
}
.vm-card:hover{transform:translateY(-5px);border-color:var(--cyan);}
.vm-card i{font-size:1.4rem;color:var(--cyan);margin-bottom:.8rem;}
.vm-card h3{font-family:var(--font-display);font-size:1.15rem;margin-bottom:.5rem;}
.vm-card p{font-size:.92rem;color:var(--text-dim);}

.timeline{margin-top:1.5rem;}
.timeline-item{
  display:flex;gap:1.3rem;padding:1.1rem 0;
  border-top:1px solid var(--border);
  align-items:baseline;
}
.timeline-item:first-child{border-top:none;}
.timeline-item .year{
  font-family:var(--font-mono);color:var(--red);font-weight:600;
  min-width:60px;font-size:.95rem;
}
.timeline-item p{color:var(--text-dim);font-size:.95rem;}

/* ---------- Services ---------- */
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:1.5rem;
}
.service-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:2.1rem 1.8rem;
  position:relative;overflow:hidden;
  transition:transform .4s var(--ease), border-color .4s ease, background .4s ease;
}
.service-card:hover{transform:translateY(-8px);border-color:var(--cyan);background:var(--surface-strong);}
.service-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--red),var(--cyan));
  color:#fff;font-size:1.35rem;margin-bottom:1.4rem;
}
.service-card h3{font-family:var(--font-display);font-size:1.2rem;margin-bottom:.7rem;}
.service-card p{color:var(--text-dim);font-size:.92rem;margin-bottom:1.1rem;}
.service-card .tag-list{display:flex;flex-wrap:wrap;gap:.4rem;}
.service-card .tag-list span{
  font-family:var(--font-mono);font-size:.72rem;color:var(--text-faint);
  border:1px solid var(--border);border-radius:6px;padding:.2rem .5rem;
}

/* ---------- Projects ---------- */
.filters{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2.6rem;}
.filter-btn{
  padding:.6rem 1.3rem;border-radius:50px;
  border:1px solid var(--border);background:var(--surface);
  font-size:.85rem;font-weight:500;color:var(--text-dim);
  transition:all .3s var(--ease);
}
.filter-btn.active,.filter-btn:hover{
  color:#fff;background:linear-gradient(135deg,var(--red),var(--cyan));border-color:transparent;
}
.projects-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;
}
.project-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .45s var(--ease), border-color .45s ease, box-shadow .45s ease;
}
.project-card:hover{transform:translateY(-8px);border-color:var(--cyan);box-shadow:var(--shadow);}
.project-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.project-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.project-card:hover .project-media img{transform:scale(1.08);}
.project-media .project-num{
  position:absolute;top:1rem;right:1rem;
  font-family:var(--font-mono);font-size:.75rem;
  background:rgba(0,0,0,.55);color:#fff;
  padding:.3rem .6rem;border-radius:6px;backdrop-filter:blur(6px);
}
.project-body{padding:1.7rem;}
.project-body .tag-list{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.9rem;}
.project-body .tag-list span{
  font-family:var(--font-mono);font-size:.7rem;color:var(--cyan);
  border:1px solid var(--border);border-radius:6px;padding:.2rem .5rem;
}
.project-body h3{font-family:var(--font-display);font-size:1.3rem;margin-bottom:.6rem;}
.project-body p{color:var(--text-dim);font-size:.92rem;margin-bottom:1.3rem;}
.project-link{
  display:inline-flex;align-items:center;gap:.5rem;
  font-weight:600;font-size:.9rem;color:var(--text);
  transition:gap .3s ease, color .3s ease;
}
.project-link i{transition:transform .3s var(--ease);}
.project-link:hover{color:var(--cyan);gap:.8rem;}
.project-link:hover i{transform:translateX(3px);}

/* ---------- Skills ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2.3rem;}
.skill-group h3{
  font-family:var(--font-display);font-size:1.05rem;margin-bottom:1.3rem;
  display:flex;align-items:center;gap:.6rem;color:var(--text);
}
.skill-group h3 i{color:var(--gold);}
.skill-item{margin-bottom:1.15rem;}
.skill-item .skill-top{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:.45rem;color:var(--text-dim);}
.skill-item .skill-top strong{color:var(--text);font-weight:600;}
.skill-bar{height:6px;border-radius:6px;background:var(--surface-strong);overflow:hidden;}
.skill-bar span{
  display:block;height:100%;border-radius:6px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--red));
  transition:width 1.4s var(--ease);
}

/* ---------- Gallery ---------- */
.gallery-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.4rem;
}
.gallery-item{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  border:1px solid var(--border);cursor:pointer;aspect-ratio:16/10;
  transition:transform .4s var(--ease);
}
.gallery-item:hover{transform:translateY(-6px);}
.gallery-item img,.gallery-item iframe{width:100%;height:100%;object-fit:cover;border:none;}
.gallery-overlay{
  position:absolute;inset:auto 0 0 0;padding:1rem;
  background:linear-gradient(to top,rgba(0,0,0,.8),transparent);
  color:#fff;font-size:.85rem;font-weight:600;
  opacity:0;transition:opacity .35s ease;
  display:flex;align-items:center;gap:.5rem;
  pointer-events:none;
}
.gallery-item:hover .gallery-overlay{opacity:1;}

#lightbox{
  position:fixed;inset:0;z-index:2000;
  background:rgba(0,0,0,.9);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:.4s var(--ease);
  padding:5%;
}
#lightbox.active{opacity:1;visibility:visible;}
#lightbox img{max-width:100%;max-height:85vh;border-radius:var(--radius-md);}
#lightbox .close-lightbox{
  position:absolute;top:26px;right:26px;
  width:46px;height:46px;border-radius:50%;
  background:var(--surface-strong);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;
}

/* ---------- Ecosystem / Vision ---------- */
.vision-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.6rem;}
.vision-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);min-height:340px;
  display:flex;align-items:flex-end;
}
.vision-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.vision-card:hover img{transform:scale(1.08);}
.vision-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top, rgba(0,0,0,.88), rgba(0,0,0,.25) 55%, rgba(0,0,0,.1));
}
.vision-content{position:relative;z-index:2;padding:1.8rem;color:#fff;}
.vision-number{
  font-family:var(--font-mono);color:var(--cyan);font-size:.85rem;
  border:1px solid rgba(255,255,255,.3);border-radius:6px;
  padding:.2rem .6rem;display:inline-block;margin-bottom:.8rem;
}
.vision-content h3{font-family:var(--font-display);font-size:1.35rem;margin-bottom:.6rem;}
.vision-content p{font-size:.9rem;color:rgba(255,255,255,.82);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.95fr 1.15fr;gap:3.5rem;}
.contact-title{font-family:var(--font-display);font-size:2rem;margin-bottom:1rem;}
.contact-text{color:var(--text-dim);margin-bottom:2rem;}
.contact-highlights{display:flex;flex-direction:column;gap:1rem;margin-bottom:2.2rem;}
.contact-item{display:flex;align-items:center;gap:.9rem;font-size:.92rem;color:var(--text-dim);}
.contact-item i{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);
}
.contact-links{display:flex;flex-direction:column;gap:.9rem;}
.contact-link{
  display:flex;align-items:center;gap:.9rem;
  padding:.9rem 1.2rem;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border);
  font-weight:500;font-size:.92rem;
  transition:all .3s var(--ease);
}
.contact-link i{font-size:1.1rem;color:var(--cyan);}
.contact-link:hover{border-color:var(--cyan);transform:translateX(4px);}

.contact-form{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:2.3rem;
}
.form-group{margin-bottom:1.3rem;}
.form-group label{display:block;font-size:.82rem;color:var(--text-dim);margin-bottom:.5rem;font-weight:500;}
.form-group input,.form-group textarea{
  width:100%;padding:.9rem 1rem;border-radius:var(--radius-sm);
  background:var(--bg-elevated);border:1px solid var(--border);
  color:var(--text);font-size:.95rem;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px color-mix(in srgb, var(--cyan) 20%, transparent);
}
.submit-btn{
  width:100%;padding:1rem;border-radius:50px;
  background:linear-gradient(135deg,var(--red),var(--cyan));
  color:#fff;font-weight:600;font-size:.95rem;
  display:flex;align-items:center;justify-content:center;gap:.6rem;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.submit-btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px -12px var(--red);}
.submit-btn:disabled{opacity:.7;cursor:default;transform:none;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);padding:4.5rem 0 2rem;}
.footer-grid{
  display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:3rem;margin-bottom:3rem;
}
.footer-brand p{color:var(--text-dim);font-size:.92rem;margin:1rem 0 1.4rem;max-width:340px;}
.footer-social{display:flex;gap:.7rem;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:.9rem;
  transition:all .3s ease;
}
.footer-social a:hover{background:linear-gradient(135deg,var(--red),var(--cyan));color:#fff;border-color:transparent;}
.footer-col h4{font-family:var(--font-display);font-size:1rem;margin-bottom:1.2rem;}
.footer-col ul li{margin-bottom:.8rem;}
.footer-col ul li a{color:var(--text-dim);font-size:.9rem;transition:color .3s ease, padding-left .3s ease;}
.footer-col ul li a:hover{color:var(--cyan);padding-left:5px;}
.footer-bottom{
  padding-top:2rem;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;
  font-size:.82rem;color:var(--text-faint);
}
.footer-bottom .made-with i{color:var(--red);}

/* ---------- Back to top ---------- */
#back-to-top{
  position:fixed;bottom:28px;left:28px;z-index:900;
  width:48px;height:48px;border-radius:50%;
  background:var(--bg-elevated);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text);font-size:1.1rem;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.4s var(--ease);
}
#back-to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
#back-to-top:hover{background:linear-gradient(135deg,var(--red),var(--cyan));color:#fff;}

/* ---------- Toasts ---------- */
#toast-container{
  position:fixed;bottom:28px;right:28px;z-index:3000;
  display:flex;flex-direction:column;gap:.7rem;
}
.toast{
  display:flex;align-items:center;gap:.8rem;
  background:var(--bg-elevated);border:1px solid var(--border);
  padding:1rem 1.3rem;border-radius:var(--radius-sm);
  box-shadow:var(--shadow);font-size:.88rem;
  transform:translateX(120%);transition:transform .45s var(--ease);
  max-width:320px;
}
.toast.show{transform:translateX(0);}
.toast i{font-size:1.1rem;}
.toast.success i{color:#3ddc84;}
.toast.error i{color:var(--red);}

/* ---------- WhatsApp widget ---------- */
#whatsapp-widget{position:fixed;bottom:28px;right:28px;z-index:1500;font-family:var(--font-body);}
#whatsapp-btn{
  width:60px;height:60px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.6rem;box-shadow:0 10px 26px -8px rgba(37,211,102,.6);
  animation:pulse-wa 2.6s ease-in-out infinite;
}
@keyframes pulse-wa{0%,100%{box-shadow:0 10px 26px -8px rgba(37,211,102,.6);}50%{box-shadow:0 10px 34px -4px rgba(37,211,102,.85);}}
#whatsapp-chat{
  display:none;flex-direction:column;
  width:310px;max-width:88vw;
  position:absolute;bottom:76px;right:0;
  background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);
}
.chat-header{background:#25D366;color:#fff;padding:.9rem 1.1rem;display:flex;justify-content:space-between;align-items:center;}
.chat-header h4{font-size:.95rem;font-weight:600;}
#close-chat{cursor:pointer;font-size:1.1rem;}
.chat-body{padding:1rem;max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:.7rem;}
.chat-bubble{padding:.6rem .9rem;border-radius:16px;font-size:.85rem;max-width:85%;}
.chat-bubble.bot{background:var(--surface-strong);align-self:flex-start;}
.chat-bubble.user{background:#dcf8c6;color:#12121a;align-self:flex-end;}
.chat-footer{padding:1rem;display:flex;flex-direction:column;gap:.6rem;border-top:1px solid var(--border);}
.chat-footer input,.chat-footer textarea{
  padding:.6rem .8rem;border-radius:10px;border:1px solid var(--border);
  background:var(--bg);color:var(--text);font-size:.85rem;
}
#send-whatsapp{background:#25D366;color:#fff;padding:.7rem;border-radius:10px;font-weight:600;font-size:.88rem;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .about-grid,.contact-grid{grid-template-columns:1fr;}
  .about-visual{max-width:420px;margin:0 auto 2rem;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:860px){
  .nav-links{
    position:fixed;top:0;right:-100%;width:min(320px,80%);height:100vh;
    background:var(--bg-elevated);border-left:1px solid var(--border);
    flex-direction:column;justify-content:center;align-items:flex-start;
    padding:2rem 2.4rem;gap:1.8rem;transition:right .45s var(--ease);
  }
  .nav-links.active{right:0;}
  .nav-links a{font-size:1.05rem;}
  .nav-cta{display:none;}
  .burger{display:flex;}
  .vm-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:2.2rem;}
}

@media (max-width:600px){
  section{padding:100px 0 60px;}
  .hero-stats{gap:1.6rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .about-badge-float{left:0;bottom:-18px;padding:.8rem 1rem;}
  .contact-form{padding:1.5rem;}
  #whatsapp-widget,#back-to-top{bottom:18px;}
  #back-to-top{left:18px;width:42px;height:42px;}
  #whatsapp-widget{right:18px;}
  #whatsapp-btn{width:52px;height:52px;font-size:1.4rem;}
}