/* ═══════════════════════════════════════════════════════════
   HEVIMI — styles.css?v=7
   Nuevo en v7: botones WhatsApp (hero, contacto, footer)
═══════════════════════════════════════════════════════════ */

:root {
  --bg:        #0A0A0B;
  --bg-2:      #111114;
  --bg-card:   rgba(255,255,255,0.028);
  --bg-glass:  rgba(255,255,255,0.05);
  --border:    rgba(255,255,255,0.08);
  --border-lg: rgba(200,169,110,0.30);
  --t1:        #F0EDE8;
  --t2:        rgba(240,237,232,0.52);
  --t3:        rgba(240,237,232,0.28);
  --gold:      #C8A96E;
  --gold-dim:  rgba(200,169,110,0.13);
  --gold-glow: rgba(200,169,110,0.38);
  --grad-gold: linear-gradient(135deg,#D4B97E 0%,#B8925A 100%);
  --wa:        #25D366;   /* Verde WhatsApp */
  --wa-dim:    rgba(37,211,102,0.12);
  --wa-glow:   rgba(37,211,102,0.35);
  --serif:     'Playfair Display', Georgia, serif;
  --sans:      'Manrope', system-ui, sans-serif;
  --max:       1180px;
  --pad-h:     40px;
  --sec-v:     110px;
  --ease:      cubic-bezier(0.25,0.46,0.45,0.94);
  --bounce:    cubic-bezier(0.34,1.56,0.64,1);
  --hdr-h:     74px;
}

*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; text-size-adjust:100%; }
body { background:var(--bg); color:var(--t1); font-family:var(--sans); font-weight:300; line-height:1.75; overflow-x:hidden; }
img    { display:block; max-width:100%; height:auto; }
a      { text-decoration:none; color:inherit; }
button { font-family:inherit; border:none; background:none; }

.container { max-width:var(--max); margin:0 auto; padding:0 var(--pad-h); }
.section   { padding:var(--sec-v) 0; position:relative; }

h1,h2,h3,h4 { font-family:var(--serif); line-height:1.12; }
em { font-style:italic; color:var(--gold); }

/* ─── Barra progreso ─── */
.scroll-bar { position:fixed; top:0; left:0; height:2px; width:0%; background:var(--grad-gold); z-index:9999; pointer-events:none; transition:width 0.1s linear; box-shadow:0 0 8px var(--gold-glow); }

/* ─── Loader ─── */
.loader { position:fixed; inset:0; background:var(--bg); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:24px; z-index:9998; transition:opacity 0.6s var(--ease),visibility 0.6s; }
.loader.hidden { opacity:0; visibility:hidden; pointer-events:none; }
.loader-word   { font-family:var(--serif); font-size:2.2rem; font-weight:900; letter-spacing:0.25em; color:var(--gold); }
.loader-track  { width:140px; height:1px; background:var(--border); overflow:hidden; }
.loader-fill   { height:100%; width:0%; background:var(--gold); transition:width 0.05s linear; }

/* ─── Header ─── */
.header { position:fixed; top:0; left:0; right:0; z-index:1000; transition:background 0.4s,border-color 0.4s,box-shadow 0.4s; border-bottom:1px solid transparent; }
.header.solid { background:rgba(10,10,11,0.92); -webkit-backdrop-filter:blur(18px); backdrop-filter:blur(18px); border-bottom-color:var(--border); box-shadow:0 1px 20px rgba(0,0,0,0.3); }
.header-inner { max-width:var(--max); margin:0 auto; padding:0 var(--pad-h); height:var(--hdr-h); display:flex; align-items:center; gap:20px; }
.logo-link { display:flex; align-items:center; flex-shrink:0; }
.logo-text { font-family:var(--serif); font-size:1.45rem; font-weight:900; letter-spacing:0.12em; color:var(--gold); text-transform:uppercase; line-height:1; transition:opacity 0.3s; }
.logo-link:hover .logo-text { opacity:0.8; }
.nav { display:flex; align-items:center; gap:4px; margin-left:auto; }
.nav-link { font-size:13.5px; font-weight:400; color:var(--t2); padding:8px 15px; border-radius:100px; white-space:nowrap; transition:color 0.3s,background 0.3s; }
.nav-link:hover  { color:var(--t1); }
.nav-link.active { color:var(--gold); background:var(--gold-dim); }
.header-cta { font-size:13px; font-weight:500; color:var(--gold); border:1px solid rgba(200,169,110,0.35); padding:10px 22px; border-radius:100px; flex-shrink:0; transition:background 0.3s,border-color 0.3s; }
.header-cta:hover { background:var(--gold-dim); border-color:var(--gold); }

/* ─── Botones ─── */
.btn-gold {
  display:inline-flex; align-items:center; gap:10px;
  background:var(--gold); color:#0A0A0B;
  font-family:var(--sans); font-size:14.5px; font-weight:600;
  padding:15px 30px; border-radius:100px;
  position:relative; overflow:hidden; cursor:pointer;
  transition:transform 0.3s var(--bounce),box-shadow 0.3s;
}
.btn-gold::after { content:''; position:absolute; inset:0; background:rgba(255,255,255,0); transition:background 0.25s; }
.btn-gold:hover  { transform:translateY(-2px) scale(1.02); box-shadow:0 0 36px var(--gold-glow),0 8px 20px rgba(0,0,0,0.35); }
.btn-gold:hover::after { background:rgba(255,255,255,0.12); }
.btn-gold svg { flex-shrink:0; transition:transform 0.3s var(--ease); }
.btn-gold:hover svg { transform:translateX(4px); }

.btn-outline { display:inline-flex; align-items:center; gap:8px; color:var(--t2); font-size:14.5px; font-weight:400; padding:15px 30px; border-radius:100px; border:1px solid var(--border); transition:color 0.3s,border-color 0.3s,background 0.3s; }
.btn-outline:hover { color:var(--t1); border-color:rgba(255,255,255,0.22); background:rgba(255,255,255,0.04); }

/* ─────────────────────────────────────────────────────────
   ✅ BOTÓN WHATSAPP — HERO (inline con los otros botones)
───────────────────────────────────────────────────────── */
.btn-whatsapp {
  display:inline-flex; align-items:center; gap:10px;
  background:var(--wa); color:#fff;
  font-family:var(--sans); font-size:14.5px; font-weight:600;
  padding:15px 28px; border-radius:100px;
  cursor:pointer; position:relative; overflow:hidden;
  transition:transform 0.3s var(--bounce),box-shadow 0.3s;
}
.btn-whatsapp svg { width:20px; height:20px; flex-shrink:0; }
.btn-whatsapp::after { content:''; position:absolute; inset:0; background:rgba(255,255,255,0); transition:background 0.25s; }
.btn-whatsapp:hover { transform:translateY(-2px) scale(1.02); box-shadow:0 0 32px var(--wa-glow),0 8px 20px rgba(0,0,0,0.3); }
.btn-whatsapp:hover::after { background:rgba(255,255,255,0.12); }

/* ─────────────────────────────────────────────────────────
   ✅ BOTÓN WHATSAPP — CONTACTO (ancho completo, bajo el email)
───────────────────────────────────────────────────────── */
.btn-whatsapp--contact {
  display:flex;
  width:100%;
  justify-content:center;
  margin-top:16px;
  padding:14px 24px;
  font-size:14px;
}

/* ─── Reveal ─── */
[data-reveal] { opacity:0; transform:translateY(26px); transition:opacity 0.75s var(--ease),transform 0.75s var(--ease); }
[data-reveal].visible { opacity:1; transform:translateY(0); }

/* ─── Encabezados sección ─── */
.sec-head  { margin-bottom:72px; }
.sec-tag   { display:inline-block; font-size:11px; font-weight:500; letter-spacing:0.18em; text-transform:uppercase; color:var(--gold); margin-bottom:16px; }
.sec-title { font-family:var(--serif); font-size:clamp(2rem,3.8vw,2.9rem); font-weight:700; color:var(--t1); line-height:1.15; }

/* ─── Hero ─── */
.hero { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:calc(var(--hdr-h) + 80px) var(--pad-h) 100px; position:relative; overflow:hidden; }
.hero-orb { position:absolute; width:700px; height:700px; border-radius:50%; background:radial-gradient(circle,rgba(200,169,110,0.08) 0%,transparent 68%); top:50%; left:50%; transform:translate(-50%,-50%); filter:blur(50px); pointer-events:none; animation:orbPulse 9s ease-in-out infinite; }
@keyframes orbPulse { 0%,100%{transform:translate(-50%,-50%) scale(1);opacity:1} 50%{transform:translate(-50%,-50%) scale(1.12);opacity:0.7} }
.hero-grid-bg { position:absolute; inset:0; background-image:linear-gradient(rgba(200,169,110,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(200,169,110,0.03) 1px,transparent 1px); background-size:64px 64px; -webkit-mask-image:radial-gradient(ellipse 65% 70% at 50% 50%,black,transparent); mask-image:radial-gradient(ellipse 65% 70% at 50% 50%,black,transparent); pointer-events:none; }
.hero-content { max-width:820px; width:100%; position:relative; z-index:2; text-align:center; display:flex; flex-direction:column; align-items:center; }
.eyebrow { font-size:11px; font-weight:500; letter-spacing:0.18em; text-transform:uppercase; color:var(--gold); margin-bottom:28px; }
.hero-title { font-size:clamp(3rem,7vw,6rem); font-weight:900; letter-spacing:-0.02em; line-height:1.04; margin-bottom:28px; display:flex; flex-direction:column; align-items:center; }
.tl  { display:block; text-align:center; }
.gold { font-style:italic; color:var(--gold); background:var(--grad-gold); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
@supports not (-webkit-background-clip:text) { .gold { background:none; -webkit-text-fill-color:unset; color:var(--gold); } }
.hero-sub  { font-size:17px; color:var(--t2); max-width:520px; margin-bottom:48px; line-height:1.75; text-align:center; }
.hero-btns { display:flex; align-items:center; justify-content:center; gap:14px; flex-wrap:wrap; }
.hero-rings { position:absolute; right:-80px; top:50%; transform:translateY(-50%); pointer-events:none; z-index:1; }
.ring { position:absolute; border-radius:50%; border:1px solid rgba(200,169,110,0.15); top:50%; left:50%; transform:translate(-50%,-50%); animation:ringRotate 25s linear infinite; }
.r1 { width:340px; height:340px; animation-duration:30s; }
.r2 { width:480px; height:480px; border-color:rgba(200,169,110,0.08); animation-duration:40s; animation-direction:reverse; }
.r3 { width:620px; height:620px; border-color:rgba(200,169,110,0.05); animation-duration:55s; }
@keyframes ringRotate { to { transform:translate(-50%,-50%) rotate(360deg); } }
.scroll-hint { position:absolute; bottom:40px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; align-items:center; gap:8px; color:var(--t3); font-size:10px; letter-spacing:0.15em; text-transform:uppercase; z-index:2; animation:fadeIn 1s ease 1.2s both; }
.sh-dot { width:5px; height:5px; border-radius:50%; background:var(--gold); animation:shDot 2.2s ease-in-out infinite; box-shadow:0 0 10px var(--gold-glow); }
@keyframes shDot { 0%,100%{transform:translateY(0);opacity:1} 50%{transform:translateY(10px);opacity:0.3} }

/* ─── Servicios ─── */
.svc-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.svc-card { background:var(--bg-card); border:1px solid var(--border); border-radius:18px; padding:32px 26px 36px; position:relative; overflow:hidden; transition:border-color 0.4s,transform 0.4s var(--ease),box-shadow 0.4s; }
.svc-card::before { content:''; position:absolute; top:0; left:20px; right:20px; height:1px; background:var(--gold); transform:scaleX(0); transform-origin:left; transition:transform 0.4s var(--ease); }
.svc-card:hover { transform:translateY(-5px); border-color:var(--border-lg); box-shadow:0 0 32px rgba(200,169,110,0.07),0 16px 40px rgba(0,0,0,0.35); }
.svc-card:hover::before { transform:scaleX(1); }
.svc-n { position:absolute; bottom:16px; right:20px; font-family:var(--serif); font-size:3.5rem; font-weight:900; color:rgba(200,169,110,0.05); line-height:1; pointer-events:none; transition:color 0.4s; }
.svc-card:hover .svc-n { color:rgba(200,169,110,0.10); }
.svc-ico { width:46px; height:46px; color:var(--gold); margin-bottom:22px; }
.svc-ico svg { width:100%; height:100%; }
.svc-title { font-size:17px; font-weight:700; margin-bottom:10px; color:var(--t1); }
.svc-desc  { font-size:13.5px; color:var(--t2); line-height:1.7; }

/* ─── ¿Por qué HEVIMI? ─── */
.why-section { background:linear-gradient(180deg,transparent 0%,rgba(200,169,110,0.03) 50%,transparent 100%); }
.why-layout  { display:grid; grid-template-columns:1fr 1.2fr; gap:80px; align-items:center; }
.why-left .sec-title { font-size:clamp(1.9rem,3.5vw,2.7rem); margin:14px 0 22px; }
.why-body  { font-size:15.5px; color:var(--t2); line-height:1.8; margin-bottom:36px; }
.why-right { display:flex; flex-direction:column; gap:16px; }
.benefit   { display:flex; gap:18px; align-items:flex-start; padding:22px; background:var(--bg-card); border:1px solid var(--border); border-radius:14px; transition:border-color 0.3s,background 0.3s; }
.benefit:hover { border-color:var(--border-lg); background:var(--gold-dim); }
.b-ico  { width:34px; height:34px; min-width:34px; color:var(--gold); margin-top:2px; }
.b-ico svg { width:100%; height:100%; }
.b-title { font-family:var(--sans); font-size:14.5px; font-weight:600; color:var(--t1); margin-bottom:5px; }
.b-desc  { font-size:13px; color:var(--t2); line-height:1.65; }

/* ─── Carrusel ─── */
.carousel-wrapper { position:relative; display:flex; align-items:center; gap:16px; }
.proj-track { overflow:hidden; flex:1; border-radius:20px; }
.proj-grid  { display:flex; gap:24px; transition:transform 0.5s var(--ease); will-change:transform; }
.proj-card  { flex:0 0 calc(33.333% - 16px); border-radius:20px; overflow:hidden; border:1px solid var(--border); background:var(--bg-2); transition:transform 0.4s var(--ease),box-shadow 0.4s,border-color 0.4s; }
.proj-card:hover { transform:translateY(-8px); box-shadow:0 0 40px rgba(200,169,110,0.09),0 24px 50px rgba(0,0,0,0.45); border-color:var(--border-lg); }
.proj-card--link .proj-card-anchor { display:block; text-decoration:none; color:inherit; }
.proj-visual { position:relative; aspect-ratio:4/3; overflow:hidden; display:flex; align-items:center; justify-content:center; }
@supports not (aspect-ratio:4/3) { .proj-visual { padding-top:75%; height:0; } .pv-glyph,.pv-overlay { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); } }
.v-stampa { background:radial-gradient(ellipse 70% 70% at 70% 30%,rgba(200,169,110,0.18) 0%,transparent 70%),linear-gradient(145deg,#141008 0%,#1c1508 60%,#0d0c08 100%); }
.v-chofo  { background:radial-gradient(ellipse 70% 70% at 30% 70%,rgba(212,131,106,0.18) 0%,transparent 70%),linear-gradient(145deg,#160c08 0%,#1e1008 60%,#0d0905 100%); }
.v-clyn   { background:radial-gradient(ellipse 70% 70% at 70% 70%,rgba(106,155,184,0.18) 0%,transparent 70%),linear-gradient(145deg,#060c12 0%,#081018 60%,#050a10 100%); }
.pv-glyph { font-family:var(--serif); font-size:6rem; font-weight:900; font-style:italic; color:var(--acc,var(--gold)); opacity:0.18; user-select:none; transition:opacity 0.4s,transform 0.4s var(--ease); letter-spacing:-0.04em; }
.proj-card:hover .pv-glyph { opacity:0.08; transform:scale(1.15); }
.pv-overlay { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; background:rgba(10,10,11,0.78); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); opacity:0; transition:opacity 0.4s var(--ease); }
.proj-card:hover .pv-overlay { opacity:1; }
.pv-overlay span { font-size:14px; font-weight:500; color:var(--acc,var(--gold)); border:1px solid currentColor; padding:10px 22px; border-radius:100px; letter-spacing:0.03em; }
.proj-foot { padding:18px 20px 20px; background:var(--bg-2); display:flex; flex-direction:column; gap:8px; }
.proj-tags { display:flex; gap:6px; flex-wrap:wrap; }
.proj-tags span { font-size:10.5px; font-weight:500; color:var(--t3); background:rgba(255,255,255,0.05); border:1px solid var(--border); padding:3px 10px; border-radius:100px; letter-spacing:0.04em; }
.proj-name { font-family:var(--sans); font-size:17px; font-weight:600; color:var(--t1); }
.carousel-btn { flex-shrink:0; width:44px; height:44px; border-radius:50%; background:var(--bg-card); border:1px solid var(--border); color:var(--t2); cursor:pointer; display:flex; align-items:center; justify-content:center; transition:background 0.3s,border-color 0.3s,color 0.3s,transform 0.2s var(--bounce); z-index:2; }
.carousel-btn svg { width:20px; height:20px; }
.carousel-btn:hover { background:var(--gold-dim); border-color:var(--border-lg); color:var(--gold); transform:scale(1.08); }
.carousel-btn:disabled { opacity:0.3; pointer-events:none; }
.carousel-dots { display:flex; justify-content:center; gap:8px; margin-top:28px; }
.cdot { width:8px; height:8px; border-radius:50%; background:var(--border); border:none; cursor:pointer; transition:background 0.3s,transform 0.3s; padding:0; }
.cdot.active { background:var(--gold); transform:scale(1.3); }

/* ─── Proceso ─── */
.process-section { background:var(--bg-2); }
.steps { max-width:700px; display:flex; flex-direction:column; }
.step  { display:flex; gap:28px; align-items:flex-start; }
.step-left { display:flex; flex-direction:column; align-items:center; flex-shrink:0; padding-top:4px; }
.step-num  { font-family:var(--serif); font-size:13px; font-weight:700; color:var(--gold); width:38px; height:38px; border:1px solid var(--border-lg); border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; background:var(--gold-dim); letter-spacing:0.02em; }
.step-connector { width:1px; flex:1; min-height:50px; background:linear-gradient(to bottom,var(--border-lg),transparent); margin:8px auto; }
.step-right { padding-bottom:44px; }
.step-title { font-family:var(--sans); font-size:17px; font-weight:600; color:var(--t1); margin-bottom:8px; margin-top:6px; }
.step-desc  { font-size:14px; color:var(--t2); line-height:1.75; }

/* ─── Contacto ─── */
.contact-section { background:linear-gradient(180deg,transparent 0%,rgba(200,169,110,0.04) 40%,transparent 100%); }
.contact-layout  { display:grid; grid-template-columns:1fr 1.1fr; gap:80px; align-items:start; }
.contact-info .sec-tag { margin-bottom:14px; }
.ct-title { font-size:clamp(1.9rem,3.5vw,2.7rem); margin:0 0 22px; }
.ct-body  { font-size:15px; color:var(--t2); line-height:1.8; margin-bottom:20px; }
.ct-email { display:inline-flex; align-items:center; gap:10px; font-size:14px; color:var(--gold); border-bottom:1px solid rgba(200,169,110,0.3); padding-bottom:4px; transition:border-color 0.3s,opacity 0.3s; }
.ct-email:hover { border-color:var(--gold); opacity:0.8; }
.ct-email svg { width:18px; height:18px; flex-shrink:0; }
.ct-form { background:var(--bg-glass); border:1px solid var(--border); border-radius:22px; padding:38px 36px; -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px); display:flex; flex-direction:column; gap:20px; }
.f-group { display:flex; flex-direction:column; gap:7px; }
.f-label { font-size:12px; font-weight:500; color:var(--t2); letter-spacing:0.04em; text-transform:uppercase; }
.f-input { background:rgba(255,255,255,0.04); border:1px solid var(--border); border-radius:11px; color:var(--t1); font-family:var(--sans); font-size:14.5px; font-weight:300; padding:13px 16px; outline:none; width:100%; transition:border-color 0.3s,background 0.3s,box-shadow 0.3s; -webkit-appearance:none; appearance:none; }
.f-input::placeholder { color:var(--t3); }
.f-input:focus { border-color:rgba(200,169,110,0.45); background:rgba(200,169,110,0.04); box-shadow:0 0 0 3px rgba(200,169,110,0.08); }
.f-textarea { resize:none; min-height:130px; font-family:var(--sans); }
.f-submit   { width:100%; justify-content:center; }
.f-success,.f-error { display:none; font-size:13.5px; border-radius:10px; padding:14px 16px; line-height:1.5; }
.f-success { color:var(--gold); background:var(--gold-dim); border:1px solid rgba(200,169,110,0.25); }
.f-error   { color:#e07070; background:rgba(220,100,80,0.1); border:1px solid rgba(220,100,80,0.25); }
.f-success.show,.f-error.show { display:block; }

/* ─── Footer ─── */
.footer      { background:var(--bg-2); border-top:1px solid var(--border); padding:72px 0 30px; }
.footer-top  { display:grid; grid-template-columns:2fr 1fr 1fr; gap:48px; margin-bottom:52px; }
.f-logo-text { display:inline-block; font-family:var(--serif); font-size:1.5rem; font-weight:900; letter-spacing:0.12em; color:var(--gold); text-transform:uppercase; margin-bottom:16px; transition:opacity 0.3s; }
.f-logo-text:hover { opacity:0.8; }
.f-tagline { font-size:14px; color:var(--t2); line-height:1.7; }
.f-nav     { display:flex; flex-direction:column; gap:10px; }
.f-nav-title { font-family:var(--sans); font-size:11px; font-weight:600; letter-spacing:0.14em; text-transform:uppercase; color:var(--t1); margin-bottom:4px; }
.f-nav a   { font-size:14px; color:var(--t2); transition:color 0.3s; }
.f-nav a:hover { color:var(--gold); }
.f-social  { display:flex; flex-direction:column; gap:14px; }
.social-row { display:flex; flex-direction:column; gap:10px; }

/* ─── Botón social estándar (Instagram, Facebook) ─── */
.soc-btn { display:flex; align-items:center; gap:12px; width:100%; font-size:13.5px; color:var(--t2); padding:11px 16px; border-radius:12px; border:1px solid var(--border); cursor:pointer; transition:color 0.3s,border-color 0.3s,background 0.3s,transform 0.3s var(--bounce); }
.soc-btn svg  { width:20px; height:20px; flex-shrink:0; pointer-events:none; }
.soc-btn span { pointer-events:none; }
.soc-btn:hover { color:var(--gold); border-color:var(--border-lg); background:var(--gold-dim); transform:translateX(4px); }

/* ─────────────────────────────────────────────────────────
   ✅ WHATSAPP EN FOOTER — igual que soc-btn pero con color WA al hover
───────────────────────────────────────────────────────── */
.soc-btn--wa svg { fill:var(--t2); stroke:none; transition:fill 0.3s; }
.soc-btn--wa:hover { color:var(--wa); border-color:rgba(37,211,102,0.4); background:var(--wa-dim); }
.soc-btn--wa:hover svg { fill:var(--wa); }

.footer-divider { height:1px; background:var(--border); margin-bottom:26px; }
.footer-bottom  { display:flex; justify-content:space-between; align-items:center; font-size:12.5px; color:var(--t3); }

/* ─── Chat flotante ─── */
.chat-widget  { position:fixed; bottom:28px; right:28px; z-index:2000; width:56px; height:56px; display:flex; flex-direction:column-reverse; align-items:flex-end; gap:12px; overflow:visible; pointer-events:none; }
.chat-toggle  { pointer-events:auto; width:56px; height:56px; flex-shrink:0; border-radius:50%; background:var(--gold); color:#0A0A0B; display:flex; align-items:center; justify-content:center; cursor:pointer; border:none; box-shadow:0 4px 20px rgba(200,169,110,0.45),0 2px 8px rgba(0,0,0,0.4); transition:transform 0.3s var(--bounce),box-shadow 0.3s; position:relative; }
.chat-toggle:hover { transform:scale(1.1); box-shadow:0 6px 28px rgba(200,169,110,0.55),0 4px 12px rgba(0,0,0,0.5); }
.chat-ico { width:24px; height:24px; position:absolute; transition:opacity 0.25s,transform 0.25s; }
.chat-ico-open  { opacity:1; transform:scale(1); }
.chat-ico-close { opacity:0; transform:scale(0.5) rotate(-90deg); }
.chat-widget.open .chat-ico-open  { opacity:0; transform:scale(0.5) rotate(90deg); }
.chat-widget.open .chat-ico-close { opacity:1; transform:scale(1) rotate(0deg); }
.chat-widget.open { width:320px; height:auto; pointer-events:auto; }
.chat-box { width:320px; background:var(--bg-2); border:1px solid var(--border-lg); border-radius:20px; overflow:hidden; box-shadow:0 16px 48px rgba(0,0,0,0.6),0 0 0 1px rgba(200,169,110,0.08); opacity:0; visibility:hidden; pointer-events:none; transform:translateY(12px) scale(0.96); transform-origin:bottom right; transition:opacity 0.3s var(--ease),visibility 0.3s,transform 0.3s var(--ease); }
.chat-widget.open .chat-box { opacity:1; visibility:visible; pointer-events:auto; transform:translateY(0) scale(1); }
.chat-header { padding:16px 18px; background:rgba(200,169,110,0.08); border-bottom:1px solid var(--border); display:flex; align-items:center; }
.chat-header-info { display:flex; align-items:center; gap:12px; }
.chat-avatar { width:36px; height:36px; border-radius:50%; background:var(--gold); color:#0A0A0B; font-family:var(--serif); font-weight:900; font-size:1rem; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.chat-name   { font-size:14px; font-weight:600; color:var(--t1); }
.chat-status { font-size:11px; color:#6ee66e; margin-top:1px; }
.chat-messages { padding:16px; max-height:280px; overflow-y:auto; display:flex; flex-direction:column; gap:10px; scrollbar-width:thin; scrollbar-color:var(--border) transparent; }
.chat-messages::-webkit-scrollbar { width:4px; }
.chat-messages::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }
.chat-msg { max-width:88%; padding:10px 14px; border-radius:14px; font-size:13.5px; line-height:1.55; animation:msgIn 0.25s var(--ease) both; }
@keyframes msgIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.chat-msg--bot  { background:rgba(255,255,255,0.05); border:1px solid var(--border); color:var(--t1); align-self:flex-start; border-bottom-left-radius:4px; }
.chat-msg--user { background:var(--gold); color:#0A0A0B; align-self:flex-end; border-bottom-right-radius:4px; font-weight:500; }
.chat-questions { display:flex; flex-direction:column; gap:7px; width:100%; }
.chat-q { background:rgba(200,169,110,0.08); border:1px solid var(--border-lg); border-radius:10px; color:var(--gold); font-size:12.5px; font-family:var(--sans); padding:9px 14px; text-align:left; cursor:pointer; transition:background 0.25s,transform 0.2s var(--bounce); }
.chat-q:hover { background:rgba(200,169,110,0.16); transform:translateX(4px); }
.chat-footer   { padding:12px 18px; border-top:1px solid var(--border); text-align:center; }
.chat-cta-link { font-size:12.5px; color:var(--gold); font-weight:500; transition:opacity 0.3s; }
.chat-cta-link:hover { opacity:0.75; }

@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* ═══════════════════════════
   RESPONSIVE — TABLET (≤1024px)
═══════════════════════════ */
@media (max-width:1024px) {
  :root { --sec-v:80px; --pad-h:28px; }
  .svc-grid       { grid-template-columns:repeat(2,1fr); }
  .proj-card      { flex:0 0 calc(50% - 12px); }
  .why-layout     { gap:48px; }
  .contact-layout { grid-template-columns:1fr; gap:48px; }
  .footer-top     { grid-template-columns:1fr 1fr; gap:36px; }
  .hero-rings     { display:none; }
  .btn-whatsapp--contact { width:auto; }
}

/* ═══════════════════════════
   RESPONSIVE — MÓVIL (≤768px)
═══════════════════════════ */
@media (max-width:768px) {
  :root { --sec-v:60px; --pad-h:16px; --hdr-h:auto; }

  .header { flex-direction:column; align-items:stretch; }
  .header-inner { padding:12px 16px; height:auto; gap:10px; flex-wrap:wrap; align-items:center; }
  .logo-link { flex:1; min-width:0; }
  .logo-text { font-size:1.15rem; letter-spacing:0.08em; }
  .header-cta { font-size:11.5px; padding:7px 12px; flex-shrink:0; }

  .nav { position:static !important; top:auto !important; right:auto !important; bottom:auto !important; width:100% !important; height:auto !important; background:rgba(10,10,11,0.96); -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px); border-top:1px solid var(--border); border-left:none !important; display:flex !important; flex-direction:row !important; justify-content:flex-start; align-items:center; gap:0; margin-left:0 !important; padding:0 8px; overflow-x:auto; overflow-y:hidden; -webkit-overflow-scrolling:touch; scrollbar-width:none; transform:none !important; opacity:1 !important; visibility:visible !important; pointer-events:auto !important; transition:none !important; }
  .nav::-webkit-scrollbar { display:none; }
  .nav-link { font-family:var(--sans); font-size:12px; font-weight:500; padding:11px 12px; border-radius:0; border-bottom:2px solid transparent; width:auto; white-space:nowrap; flex-shrink:0; color:var(--t2); letter-spacing:0; }
  .nav-link:hover  { color:var(--t1); background:transparent; }
  .nav-link.active { color:var(--gold); background:transparent; border-bottom-color:var(--gold); }

  .hero        { padding:130px 16px 80px; }
  .hero-title  { font-size:clamp(2.2rem,8vw,3.2rem); }
  .hero-sub    { font-size:15px; }
  .hero-btns   { flex-direction:column; align-items:center; gap:12px; }
  .btn-whatsapp { padding:13px 24px; font-size:14px; }
  .scroll-hint { display:none; }

  /* Proyectos en columna */
  .carousel-wrapper { flex-direction:column; gap:0; }
  .carousel-btn { display:none; }
  .proj-track { border-radius:0; }
  .proj-grid  { flex-direction:column; gap:20px; transform:none !important; transition:none; }
  .proj-card  { flex:0 0 auto; width:100%; }
  .carousel-dots { display:none; }

  .svc-grid       { grid-template-columns:1fr; }
  .why-layout     { grid-template-columns:1fr; gap:40px; }
  .contact-layout { grid-template-columns:1fr; gap:36px; }
  .footer-top     { grid-template-columns:1fr; gap:28px; }
  .btn-whatsapp--contact { font-size:13.5px; }

  .sec-head      { margin-bottom:44px; }
  .ct-form       { padding:24px 16px; }
  .footer-bottom { flex-direction:column; gap:8px; text-align:center; }

  .chat-widget      { bottom:20px; right:14px; }
  .chat-widget.open { width:calc(100vw - 28px); max-width:320px; }
  .chat-box         { width:100%; }
}

@media (max-width:400px) {
  .hero-title { font-size:2rem; }
  .btn-gold,.btn-outline,.btn-whatsapp { padding:13px 20px; font-size:13.5px; }
  .logo-text  { font-size:1.05rem; }
  .nav-link   { font-size:11px; padding:11px 10px; }
  .header-cta { display:none; }
}