/* ============================================================
   SCIENCIA EXPERT — Stylesheet
   Navy Oxford #1E2533 + Dorado #E2A72F
   Mismo lenguaje visual que Labs y Discovery
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --navy:      #1E2533;
  --navy-d:    #0d1119;
  --navy-mid:  #2d3749;
  --navy-l:    #3d4f72;
  --gold:      #E2A72F;
  --gold-l:    #f5cc60;
  --gold-d:    #c79020;
  --teal:      #397768;
  --teal-l:    #4a9980;

  --bg-light:  #f6f4ef;
  --bg-white:  #ffffff;
  --border-l:  #e5e0d8;
  --text-dark: #1b1917;
  --text-mid:  #3a3630;
  --text-muted:#6b6460;

  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --r-sm:.5rem; --r-md:1rem; --r-lg:1.5rem; --r-xl:2rem; --r-full:9999px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --shadow-sm: 0 4px 16px rgba(30,37,51,.08);
  --shadow:    0 12px 40px rgba(30,37,51,.13);
  --shadow-lg: 0 24px 64px rgba(30,37,51,.18);
  --max-w: 1280px;
  --px: clamp(20px,5vw,80px);
  --navbar-h: 68px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text-dark);background:var(--bg-white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;font-family:inherit}
ul{list-style:none}

.container{max-width:var(--max-w);margin-inline:auto;padding-inline:var(--px)}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:var(--r-full);font-size:.875rem;font-weight:700;transition:all var(--transition);white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-d));color:var(--navy)}
.btn-gold:hover{background:linear-gradient(135deg,var(--gold-l),var(--gold));transform:translateY(-2px);box-shadow:0 8px 24px rgba(226,167,47,.35)}
.btn-outline-white{background:transparent;border:2px solid rgba(255,255,255,.45);color:#fff}
.btn-outline-white:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-outline-navy{background:transparent;border:2px solid var(--navy);color:var(--navy)}
.btn-outline-navy:hover{background:var(--navy);color:#fff}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{background:#128C7E;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:.8rem}
.btn-lg{padding:15px 36px;font-size:1rem}

/* ── Animate on scroll ── */
.aos{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.aos.visible{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ── Section header ── */
.eyebrow{font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:.75rem}
.section-title{font-size:clamp(1.85rem,3.5vw,2.75rem);font-weight:800;line-height:1.15;letter-spacing:-.025em;color:var(--navy);margin-bottom:1rem}
.section-desc{font-size:1.0625rem;color:var(--text-muted);line-height:1.78;max-width:580px}
.center{text-align:center}
.center .section-desc{margin-inline:auto}

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.navbar{position:fixed;inset:0 0 auto;height:var(--navbar-h);z-index:900;transition:background var(--transition),box-shadow var(--transition)}
.navbar.scrolled{background:rgba(13,17,25,.96);backdrop-filter:blur(16px);box-shadow:0 1px 0 rgba(226,167,47,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--navy),var(--navy-l));border:2px solid rgba(226,167,47,.5);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:14px;color:var(--gold);letter-spacing:-.02em}
.logo-text-wrap{display:flex;flex-direction:column;line-height:1}
.logo-name{font-weight:800;font-size:1.05rem;color:#fff}
.logo-sub{font-size:.58rem;font-weight:500;color:rgba(255,255,255,.4);letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.group-back{font-size:.7rem;font-weight:700;color:rgba(255,255,255,.45);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:4px 10px;border-radius:var(--r-full);transition:all var(--transition);white-space:nowrap}
.group-back:hover{color:#fff;background:rgba(255,255,255,.13)}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-size:.875rem;font-weight:500;color:rgba(255,255,255,.6);transition:color var(--transition)}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-reuniones{font-size:.72rem !important;font-weight:700 !important;color:var(--gold) !important;background:rgba(226,167,47,.1);border:1px solid rgba(226,167,47,.3);padding:4px 10px !important;border-radius:var(--r-full)}
.nav-reuniones:hover{background:rgba(226,167,47,.22) !important}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:28px;background:transparent}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:all var(--transition)}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:var(--navbar-h);
  background-image:
    linear-gradient(to bottom, rgba(13,17,25,0.88) 0%, rgba(13,17,25,0.96) 100%),
    url('https://images.unsplash.com/photo-1434030216411-0b793f4b4173?w=1920&q=80');
  background-size:cover; background-position:center; background-attachment:fixed;
}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 30%,rgba(226,167,47,.16) 0%,transparent 55%),radial-gradient(ellipse at 15% 75%,rgba(57,119,104,.12) 0%,transparent 50%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(226,167,47,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(226,167,47,.04) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%)}
.hero-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding-block:5.5rem}
.hero-text-col{display:flex;flex-direction:column;align-items:flex-start;text-align:left}
.hero-visual-col{display:flex;justify-content:center;align-items:center}
.hero-visual-col img{border-radius:24px;box-shadow:0 40px 80px rgba(0,0,0,0.5);width:100%;max-width:500px;aspect-ratio:4/3;object-fit:cover}
.hero-badge{display:inline-flex;align-items:center;gap:6px;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-l);background:rgba(226,167,47,.12);border:1px solid rgba(226,167,47,.35);padding:5px 14px;border-radius:var(--r-full);margin-bottom:1.75rem}
.hero-title{font-size:clamp(2.5rem,5.5vw,4.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;color:#fff;margin-bottom:1.5rem}
.hero-title .gold{color:var(--gold)}
.hero-title .gold-l{background:linear-gradient(90deg,var(--gold),var(--gold-l));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:clamp(1rem,1.7vw,1.1rem);color:rgba(255,255,255,.68);max-width:640px;line-height:1.8;margin-bottom:2.5rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:flex-start;margin-bottom:3.5rem}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);gap:0;border-top:1px solid rgba(255,255,255,.1);padding-top:2.5rem;width:100%;max-width:680px}
.h-stat{text-align:center;padding:0 2rem;position:relative}
.h-stat:not(:last-child)::after{content:'';position:absolute;right:0;top:20%;height:60%;width:1px;background:rgba(255,255,255,.1)}
.h-stat strong{display:block;font-size:2.2rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:.3rem}
.h-stat span{font-size:.75rem;color:rgba(255,255,255,.5);font-weight:500}

/* ══════════════════════════════════════════
   TRUST BAR
══════════════════════════════════════════ */
.trust-bar{background:rgba(13,17,25,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,167,47,.2);border-top:1px solid rgba(226,167,47,.1);padding:1.1rem 0;position:relative;z-index:2}
.trust-inner{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;justify-content:center}
.trust-item{display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:rgba(255,255,255,.8)}
.trust-check{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-l));color:var(--navy);display:flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:900;flex-shrink:0;box-shadow:0 0 8px rgba(226,167,47,.4)}

/* ══════════════════════════════════════════
   STATS BAR
══════════════════════════════════════════ */
.stats-bar{
  background-image:
    linear-gradient(to bottom, rgba(13,17,25,0.93) 0%, rgba(30,37,51,0.97) 100%),
    url('https://images.unsplash.com/photo-1434030216411-0b793f4b4173?w=1920&q=80');
  background-size:cover; background-position:center;
  border-bottom:1px solid rgba(226,167,47,.15); padding:3.5rem 0;
}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.stat-item{text-align:center;padding:1.5rem 1rem;background:rgba(255,255,255,0.04);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:1rem;border:1px solid rgba(255,255,255,0.08)}
.stat-num{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:800;color:var(--gold);line-height:1;margin-bottom:.4rem;text-shadow:0 0 20px rgba(226,167,47,.4)}
.stat-lbl{font-size:.8rem;font-weight:600;color:rgba(255,255,255,0.6)}

/* ══════════════════════════════════════════
   SERVICIOS (tabs + cards)
══════════════════════════════════════════ */
.services-section{padding-block:5.5rem;background:var(--bg-white)}
.services-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:2.5rem;border-bottom:2px solid var(--border-l);padding-bottom:1rem}
.services-tab{padding:9px 22px;border-radius:var(--r-full);border:1.5px solid var(--border-l);font-size:.8rem;font-weight:600;cursor:pointer;background:#fff;color:var(--text-muted);transition:all .22s}
.services-tab:hover{border-color:var(--navy);color:var(--navy)}
.services-tab.active{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 4px 16px rgba(30,37,51,.2)}
.services-panel{display:none}
.services-panel.active{display:block}
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.svc-card{background:var(--bg-light);border-radius:var(--r-lg);padding:0;border:1.5px solid var(--border-l);transition:all var(--transition);overflow:hidden}
.svc-card:hover{border-color:var(--gold);box-shadow:0 12px 40px rgba(226,167,47,.15);transform:translateY(-4px)}
.svc-card-body{padding:1.6rem}
.svc-card h4{font-size:.9rem;font-weight:800;color:var(--navy);margin-bottom:.5rem;display:flex;align-items:center;gap:8px}
.svc-card p{font-size:.83rem;color:var(--text-muted);line-height:1.7}

/* Card image wrap for service cards */
.card-img-wrap{height:180px;overflow:hidden;border-radius:0;flex-shrink:0}
.card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;display:block}
.svc-card:hover .card-img-wrap img{transform:scale(1.05)}
.svc-check{list-style:none;display:flex;flex-direction:column;gap:6px;margin:.75rem 0 1rem}
.svc-check li{display:flex;align-items:flex-start;gap:8px;font-size:.82rem;color:var(--text-muted);line-height:1.5}
.svc-check li::before{content:'✓';color:var(--teal);font-weight:900;flex-shrink:0;margin-top:1px}
.tool-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:.75rem}
.tool-tag{font-size:.68rem;font-weight:700;padding:3px 10px;border-radius:var(--r-full);background:#ede9e1;color:var(--navy);letter-spacing:.02em}

/* ══════════════════════════════════════════
   ACTIVIDADES
══════════════════════════════════════════ */
.activities-section{padding-block:5.5rem;background:var(--bg-light)}
.activities-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.act-card{background:#fff;border-radius:var(--r-lg);padding:1.75rem 1.5rem;text-align:center;border:1.5px solid var(--border-l);border-top:4px solid var(--gold);transition:transform var(--transition),box-shadow var(--transition)}
.act-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.act-icon{font-size:2.2rem;margin-bottom:.875rem}
.act-card h3{font-size:.95rem;font-weight:800;color:var(--navy);margin-bottom:.5rem}
.act-card p{font-size:.82rem;color:var(--text-muted);line-height:1.65}

/* ══════════════════════════════════════════
   BIBLIOSCIENCIA
══════════════════════════════════════════ */
.biblio-section{padding-block:5.5rem;background:var(--bg-white)}
.biblio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.biblio-card{background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1.5px solid var(--border-l);box-shadow:var(--shadow-sm);transition:all var(--transition);display:flex;flex-direction:column}
.biblio-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--gold)}
.biblio-thumb{height:130px;display:flex;align-items:center;justify-content:center;font-size:3rem;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-l) 100%);position:relative}
.biblio-badge{position:absolute;top:8px;right:8px;font-size:9px;font-weight:800;background:var(--gold);color:var(--navy);padding:3px 9px;border-radius:var(--r-full)}
.biblio-body{padding:1.1rem;flex:1}
.biblio-body h4{font-size:.82rem;font-weight:700;color:var(--navy);margin-bottom:3px;line-height:1.4}
.biblio-body p{font-size:.72rem;color:var(--text-muted)}

/* ══════════════════════════════════════════
   PORTAFOLIO
══════════════════════════════════════════ */
.portfolio-section{padding-block:5.5rem;background:var(--bg-light)}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.port-card{background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1.5px solid var(--border-l);box-shadow:var(--shadow-sm);transition:all var(--transition);display:flex;flex-direction:column}
.port-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--gold)}
.port-thumb{height:150px;display:flex;align-items:center;justify-content:center;font-size:2.8rem;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-l) 100%)}
.port-cat{font-size:.65rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:5px}
.port-body{padding:1.25rem;flex:1;display:flex;flex-direction:column}
.port-body h4{font-size:.9rem;font-weight:700;color:var(--navy);margin-bottom:7px;line-height:1.35}
.port-body p{font-size:.82rem;color:var(--text-muted);line-height:1.65;flex:1}
.port-tools{display:flex;flex-wrap:wrap;gap:5px;margin-top:.875rem}
.port-tool{font-size:.65rem;font-weight:700;padding:3px 9px;border-radius:var(--r-full);background:#ede9e1;color:var(--navy)}

/* ══════════════════════════════════════════
   ABOUT/NOSOTROS 2-COL
══════════════════════════════════════════ */
.about-2col{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;margin-top:2rem}
.about-visual-col img{width:100%;border-radius:var(--r-xl);box-shadow:0 40px 80px rgba(0,0,0,0.2);aspect-ratio:4/3;object-fit:cover}

/* ══════════════════════════════════════════
   POR QUÉ ELEGIRNOS
══════════════════════════════════════════ */
.why-section{padding-block:5.5rem;background:var(--bg-white)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.why-card{background:var(--bg-light);border-radius:var(--r-lg);padding:1.6rem;border:1.5px solid var(--border-l);display:flex;gap:1rem;align-items:flex-start;transition:all var(--transition)}
.why-card:hover{border-color:var(--navy);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.why-icon{font-size:1.6rem;flex-shrink:0}
.why-card h4{font-size:.9rem;font-weight:800;color:var(--navy);margin-bottom:4px}
.why-card p{font-size:.82rem;color:var(--text-muted);line-height:1.65}

/* ══════════════════════════════════════════
   CÓMO TRABAJAMOS
══════════════════════════════════════════ */
.steps-section{padding-block:5.5rem;background:var(--bg-light)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;position:relative}
.steps-grid::before{content:'';position:absolute;top:26px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--gold),rgba(226,167,47,.2));z-index:0}
.step-card{text-align:center;padding:1.5rem 1rem;position:relative;z-index:1}
.step-num{width:52px;height:52px;border-radius:50%;margin:0 auto 1rem;background:linear-gradient(135deg,var(--navy),var(--navy-l));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;box-shadow:0 4px 16px rgba(30,37,51,.25);border:3px solid var(--gold)}
.step-card h4{font-size:.875rem;font-weight:800;color:var(--navy);margin-bottom:6px}
.step-card p{font-size:.8rem;color:var(--text-muted);line-height:1.6}

/* ══════════════════════════════════════════
   CTA BANNER
══════════════════════════════════════════ */
.cta-section{background:linear-gradient(135deg,var(--navy-d) 0%,var(--navy) 100%);padding-block:5rem;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(226,167,47,.18) 0%,transparent 65%)}
.cta-box{position:relative;z-index:1;text-align:center;max-width:700px;margin-inline:auto}
.cta-box h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;color:#fff;margin-bottom:1rem}
.cta-box p{color:rgba(255,255,255,.65);max-width:520px;margin-inline:auto;margin-bottom:2rem;line-height:1.75}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ══════════════════════════════════════════
   COTIZACIÓN FORM
══════════════════════════════════════════ */
.cotizacion-section{padding-block:5.5rem;background:var(--bg-light)}
.cotizacion-box{background:#fff;border-radius:var(--r-xl);padding:2.75rem;max-width:820px;margin-inline:auto;border:1.5px solid var(--border-l);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:.8rem;font-weight:700;color:var(--navy);letter-spacing:.01em}
.form-group input,.form-group select,.form-group textarea{padding:11px 14px;border-radius:var(--r-md);background:var(--bg-light);border:1.5px solid var(--border-l);color:var(--text-dark);font-family:var(--font);font-size:.875rem;transition:border-color var(--transition),box-shadow var(--transition);width:100%}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(226,167,47,.15)}
.form-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6460' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;background-size:12px;padding-right:36px;background-color:var(--bg-light)}
.form-group textarea{resize:vertical;min-height:110px}
.span-2{grid-column:1/-1}

/* ══════════════════════════════════════════
   CONTACTO
══════════════════════════════════════════ */
.contact-section{padding-block:5.5rem;background:var(--bg-white)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.contact-card{background:var(--bg-light);border-radius:var(--r-lg);padding:1.6rem;border:1.5px solid var(--border-l);display:flex;gap:1rem;align-items:flex-start;transition:all var(--transition)}
.contact-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.contact-icon{width:44px;height:44px;border-radius:var(--r-md);background:linear-gradient(135deg,var(--navy),var(--navy-l));color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.contact-card h4{font-size:.78rem;font-weight:800;color:var(--navy);text-transform:uppercase;letter-spacing:.04em;margin-bottom:3px}
.contact-card p{font-size:.85rem;color:var(--text-muted);line-height:1.65}
.contact-card a{color:var(--teal);font-weight:600}
.contact-card a:hover{color:var(--navy)}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer{background:var(--navy-d);padding-block:3.5rem 2rem}
.footer-inner{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:3rem;margin-bottom:2.5rem}
.footer-brand p{font-size:.85rem;color:rgba(255,255,255,.45);margin-top:.75rem;line-height:1.7;max-width:280px}
.footer-col h4{font-size:.64rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.28);margin-bottom:.875rem}
.footer-col ul{display:flex;flex-direction:column;gap:.6rem}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.5);transition:color var(--transition)}
.footer-col a:hover{color:#fff}
.footer-col li span{font-size:.875rem;color:rgba(255,255,255,.4)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.07);padding-top:1.5rem;font-size:.78rem;color:rgba(255,255,255,.28)}

/* ── Floating sidebar ── */
.floating-sidebar{position:fixed;right:1.25rem;bottom:1.75rem;display:flex;flex-direction:column;gap:.625rem;z-index:800}
.float-btn{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 16px rgba(0,0,0,.25);transition:all var(--transition);position:relative;overflow:hidden}
.float-btn:hover{transform:translateX(-6px) scale(1.08)}
.float-btn .float-label{position:absolute;right:calc(100% + 8px);background:var(--navy);color:#fff;font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:var(--r-full);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--transition);box-shadow:var(--shadow-sm)}
.float-btn:hover .float-label{opacity:1}
.float-wa{background:#25D366}
.float-fb{background:#1877F2}
.float-ig{background:linear-gradient(135deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.float-ti{background:#000}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media(max-width:1100px){
  .services-grid{grid-template-columns:1fr}
  .biblio-grid,.portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .activities-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:2rem}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .h-stat{padding:0 1.25rem}
  .steps-grid::before{display:none}
  .hero-content{grid-template-columns:1fr !important;gap:2rem !important}
  .hero-visual-col{display:none}
  .hero-text-col{align-items:center;text-align:center}
  .hero-actions{justify-content:center}
  .about-2col{grid-template-columns:1fr}
  .about-visual-col{display:none}
}
@media(max-width:768px){
  :root{--px:20px}
  .nav-links{display:none;flex-direction:column;position:fixed;inset:var(--navbar-h) 0 0;background:var(--navy-d);padding:2rem;gap:.5rem;z-index:850;overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:1rem}
  .nav-toggle{display:flex}
  .hero-content{grid-template-columns:1fr !important;gap:2rem !important}
  .hero-visual-col{display:none}
  .hero-text-col{align-items:center;text-align:center}
  .hero-actions{justify-content:center}
  .why-grid,.contact-grid,.form-grid{grid-template-columns:1fr}
  .h-stat{padding:0 .75rem}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:1.25rem}
  .h-stat::after{display:none}
  .footer-inner{grid-template-columns:1fr;gap:2rem}
  .footer-bottom{flex-direction:column;gap:.5rem;text-align:center}
  .about-2col{grid-template-columns:1fr !important}
  .about-visual-col{display:none}
}
@media(max-width:600px){
  .biblio-grid,.portfolio-grid,.activities-grid,.steps-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
}