/* ===================================================
   RR-INSTALACIONES | styles.css
   Paleta: Azul marino, Acero, Blanco, Naranja acento
   =================================================== */

/* ---------- TOKENS & RESET ---------- */
:root {
  --c-navy:      #0d1b2a;
  --c-navy-mid:  #162035;
  --c-steel:     #1e3a5f;
  --c-steel-lt:  #2a4f7c;
  --c-accent:    #f97316;
  --c-accent-dk: #ea6200;
  --c-white:     #f4f6f8;
  --c-grey:      #b0bec5;
  --c-grey-dk:   #546e7a;
  --c-surface:   #111a27;
  --font-main: 'Montserrat', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,.25);
  --shadow-md: 0 8px 32px rgba(0,0,0,.40);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.55);
  --transition: .35s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-main);background:var(--c-navy);color:var(--c-white);line-height:1.7;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}


/* --- CUSTOM SCROLLBAR --- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--c-navy); }
::-webkit-scrollbar-thumb { background: var(--c-steel); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-grey-dk); }

/* --- REVEAL --- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* --- LAYOUT --- */
.section-inner{max-width:1200px;margin:0 auto;padding:0 1.5rem}
section{padding:100px 0}
.section-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--c-accent);margin-bottom:.75rem}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.15;color:var(--c-white)}
.section-subtitle{font-size:1.05rem;color:var(--c-grey);margin-top:.75rem;max-width:620px}

/* ===== HEADER ===== */
#header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:72px;transition:background var(--transition),box-shadow var(--transition)}
#header.scrolled{background:rgba(13,27,42,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 2px 24px rgba(0,0,0,.5)}
.nav-logo{display:flex;align-items:center;gap:.6rem}
.logo-mark{width:40px;height:40px;background:var(--c-accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1rem;color:#fff;letter-spacing:-.5px;flex-shrink:0}
.nav-logo span{font-size:1.05rem;font-weight:800;letter-spacing:.04em;line-height:1.1}
.nav-logo small{display:block;font-size:.65rem;font-weight:500;letter-spacing:.12em;color:var(--c-grey);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav-links a{font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--c-grey);transition:color var(--transition);position:relative;padding-bottom:4px}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--c-accent);transition:width var(--transition)}
.nav-links a:hover{color:var(--c-white)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;gap:.4rem;background:var(--c-accent);color:#fff!important;padding:.55rem 1.25rem;border-radius:var(--radius-sm);font-size:.82rem!important;font-weight:700!important;transition:background var(--transition),transform var(--transition)!important}
.nav-cta:hover{background:var(--c-accent-dk)!important;transform:translateY(-1px)}
.nav-cta::after{display:none!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--c-white);border-radius:2px;transition:var(--transition)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== HERO ===== */
#hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('assets/img/hero.jpg') center/cover no-repeat;transform:scale(1.06);transition:transform 8s ease-out}
.hero-bg.loaded{transform:scale(1)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,27,42,.92) 0%,rgba(13,27,42,.75) 60%,rgba(30,58,95,.45) 100%)}
.hero-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 1.5rem;padding-top:72px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(249,115,22,.15);border:1px solid rgba(249,115,22,.4);color:var(--c-accent);font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;padding:.45rem 1rem;border-radius:100px;margin-bottom:1.5rem;animation:fadeSlideDown .8s ease both}
.hero-badge::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(249,115,22,.6)}50%{box-shadow:0 0 0 8px rgba(249,115,22,0)}}
.hero-title{font-size:clamp(2.4rem,6.5vw,5rem);font-weight:900;line-height:1.05;letter-spacing:-.02em;max-width:780px;animation:fadeSlideUp .9s .2s ease both}
.hero-title em{font-style:normal;color:var(--c-accent)}
.hero-sub{margin-top:1.5rem;font-size:clamp(1rem,2vw,1.2rem);color:var(--c-grey);max-width:560px;line-height:1.75;animation:fadeSlideUp .9s .4s ease both}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.5rem;animation:fadeSlideUp .9s .6s ease both}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.5rem;margin-top:4rem;padding-top:2.5rem;border-top:1px solid rgba(255,255,255,.1);animation:fadeSlideUp .9s .8s ease both}
.stat-num{font-size:2.2rem;font-weight:900;color:var(--c-accent);line-height:1}
.stat-lbl{font-size:.78rem;color:var(--c-grey);font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-top:.2rem}
.hero-scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.4rem;font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--c-grey);animation:fadeSlideUp .9s 1s ease both}
.hero-scroll-mouse{width:22px;height:36px;border:2px solid rgba(255,255,255,.3);border-radius:100px;position:relative}
.hero-scroll-mouse::after{content:'';position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:6px;background:var(--c-accent);border-radius:2px;animation:scrollBob 1.5s ease-in-out infinite}
@keyframes scrollBob{0%,100%{top:6px;opacity:1}to{top:18px;opacity:0}}

/* --- BUTTONS --- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-main);font-weight:700;font-size:.9rem;letter-spacing:.04em;border-radius:var(--radius-sm);padding:.85rem 1.9rem;cursor:pointer;border:none;transition:background var(--transition),transform var(--transition),box-shadow var(--transition)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 4px 24px rgba(249,115,22,.35)}
.btn-primary:hover{background:var(--c-accent-dk);transform:translateY(-2px);box-shadow:0 8px 32px rgba(249,115,22,.5)}
.btn-outline{background:transparent;color:var(--c-white);border:2px solid rgba(255,255,255,.35)}
.btn-outline:hover{border-color:var(--c-white);background:rgba(255,255,255,.08);transform:translateY(-2px)}

@keyframes fadeSlideDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:none}}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}

/* ===== SOBRE NOSOTROS ===== */
#sobre-nosotros{background:var(--c-surface);position:relative;overflow:hidden}
#sobre-nosotros::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(30,58,95,.6) 0%,transparent 70%);pointer-events:none}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.about-img-wrap{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.about-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.about-img-wrap:hover img{transform:scale(1.04)}
.about-badge{position:absolute;bottom:-1.5rem;right:-1.5rem;background:var(--c-accent);color:#fff;padding:1.2rem 1.6rem;border-radius:var(--radius-md);box-shadow:var(--shadow-md);text-align:center}
.about-badge strong{display:block;font-size:2rem;font-weight:900;line-height:1}
.about-badge span{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.about-visual{position:relative}
.about-features{margin-top:2rem;display:flex;flex-direction:column;gap:1rem}
.feat-item{display:flex;align-items:flex-start;gap:1rem;padding:1.1rem 1.3rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-sm);transition:border-color var(--transition),background var(--transition)}
.feat-item:hover{border-color:rgba(249,115,22,.4);background:rgba(249,115,22,.06)}
.feat-icon{width:40px;height:40px;flex-shrink:0;background:rgba(249,115,22,.15);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.feat-text strong{display:block;font-size:.9rem;font-weight:700}
.feat-text p{font-size:.8rem;color:var(--c-grey);margin-top:.15rem}

/* ===== SERVICIOS ===== */
#servicios{background:var(--c-navy)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:3rem}
.service-card{background:var(--c-navy-mid);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-md);padding:2.2rem;transition:border-color var(--transition),transform var(--transition),box-shadow var(--transition);position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--transition)}
.service-card:hover{border-color:rgba(249,115,22,.3);transform:translateY(-6px);box-shadow:var(--shadow-md)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:60px;height:60px;background:rgba(249,115,22,.1);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:1.5rem;transition:background var(--transition),transform var(--transition)}
.service-card:hover .service-icon{background:rgba(249,115,22,.2);transform:scale(1.1) rotate(-5deg)}
.service-card h3{font-size:1.15rem;font-weight:800;margin-bottom:.6rem}
.service-card p{font-size:.875rem;color:var(--c-grey);line-height:1.7}
.service-list{list-style:none;margin-top:1rem;display:flex;flex-direction:column;gap:.35rem}
.service-list li{font-size:.8rem;color:var(--c-grey);padding-left:1rem;position:relative}
.service-list li::before{content:'›';position:absolute;left:0;color:var(--c-accent);font-weight:700}

/* ===== OBRAS ===== */
#obras{background:var(--c-surface)}
.portfolio-header{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:1.5rem;margin-bottom:3rem}
.portfolio-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}
.portfolio-item{position:relative;border-radius:var(--radius-md);overflow:hidden;cursor:pointer}
.portfolio-item:nth-child(1){grid-column:span 8;grid-row:span 2}
.portfolio-item:nth-child(2){grid-column:span 4}
.portfolio-item:nth-child(3){grid-column:span 4}
.portfolio-item:nth-child(4){grid-column:span 4}
.portfolio-item:nth-child(5){grid-column:span 4}
.portfolio-item:nth-child(6){grid-column:span 4}
.portfolio-item img{width:100%;height:100%;min-height:240px;object-fit:cover;transition:transform .6s ease;display:block}
.portfolio-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(13,27,42,.95) 0%,rgba(13,27,42,.4) 50%,transparent 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:1.5rem;opacity:0;transition:opacity var(--transition)}
.portfolio-item:hover img{transform:scale(1.07)}
.portfolio-item:hover .portfolio-overlay{opacity:1}
.portfolio-tag{font-size:.68rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--c-accent);margin-bottom:.3rem}
.portfolio-title{font-size:1rem;font-weight:800;color:#fff}

/* ===== EMPLEO ===== */
#empleo{background:var(--c-navy);position:relative;overflow:hidden}
#empleo::after{content:'';position:absolute;bottom:-150px;left:-150px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(249,115,22,.08) 0%,transparent 70%);pointer-events:none}
.empleo-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:start}
.empleo-perks{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}
.perk{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-sm);padding:1rem 1.1rem;font-size:.82rem;display:flex;align-items:center;gap:.6rem;transition:border-color var(--transition)}
.perk:hover{border-color:rgba(249,115,22,.4)}
.perk span{font-size:1.2rem}
.cv-form{background:var(--c-navy-mid);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:2.5rem}
.cv-form h3{font-size:1.3rem;font-weight:800;margin-bottom:1.5rem}

/* --- FORMS --- */
.form-group{margin-bottom:1.1rem}
.form-group label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--c-grey);margin-bottom:.4rem}
.form-group input,.form-group select,.form-group textarea{width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);color:var(--c-white);font-family:var(--font-main);font-size:.9rem;padding:.75rem 1rem;transition:border-color var(--transition),background var(--transition);outline:none;appearance:none}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--c-grey-dk)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--c-accent);background:rgba(255,255,255,.08)}
.form-group select option{background:var(--c-navy-mid)}
.file-upload{border:2px dashed rgba(255,255,255,.15);border-radius:var(--radius-sm);padding:1.8rem;text-align:center;cursor:pointer;transition:border-color var(--transition),background var(--transition);position:relative}
.file-upload:hover{border-color:var(--c-accent);background:rgba(249,115,22,.04)}
.file-upload input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-upload-icon{font-size:2rem;margin-bottom:.5rem}
.file-upload p{font-size:.82rem;color:var(--c-grey)}
.file-upload strong{color:var(--c-accent)}

/* ===== CONTACTO ===== */
#contacto{background:var(--c-surface)}
.contacto-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:5rem;align-items:start}
.contact-detail{display:flex;gap:1.1rem;align-items:flex-start;margin-bottom:1.5rem}
.contact-detail-icon{width:48px;height:48px;background:rgba(249,115,22,.12);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.contact-detail-body strong{display:block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--c-grey)}
.contact-detail-body p{font-size:.95rem;font-weight:600;margin-top:.15rem}
.contact-form{background:var(--c-navy-mid);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:2.5rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* ===== FOOTER ===== */
#footer{background:var(--c-navy);border-top:1px solid rgba(255,255,255,.06);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand p{font-size:.85rem;color:var(--c-grey);margin-top:1rem;line-height:1.8;max-width:260px}
.footer-heading{font-size:.78rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--c-accent);margin-bottom:1.2rem}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:.6rem}
.footer-links a{font-size:.85rem;color:var(--c-grey);transition:color var(--transition),padding-left var(--transition)}
.footer-links a:hover{color:var(--c-white);padding-left:.4rem}
.footer-socials{display:flex;gap:.75rem;margin-top:1.5rem}
.social-btn{width:38px;height:38px;border-radius:var(--radius-sm);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:background var(--transition),border-color var(--transition),transform var(--transition)}
.social-btn:hover{background:var(--c-accent);border-color:transparent;transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:2rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.8rem;color:var(--c-grey-dk)}
.footer-legal{display:flex;gap:1.5rem;flex-wrap:wrap}
.footer-legal a{color:var(--c-grey-dk);transition:color var(--transition)}
.footer-legal a:hover{color:var(--c-white)}

/* ===== LIGHTBOX ===== */
#lightbox{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;pointer-events:none;transition:opacity .3s ease}
#lightbox.active{opacity:1;pointer-events:all}
#lightbox img{max-width:90vw;max-height:85vh;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);object-fit:contain}
#lightbox-close{position:absolute;top:1.5rem;right:1.5rem;background:rgba(255,255,255,.1);border:none;color:#fff;width:44px;height:44px;border-radius:50%;font-size:1.3rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition)}
#lightbox-close:hover{background:var(--c-accent)}
#lightbox-caption{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);font-size:.85rem;font-weight:600;color:#fff;background:rgba(0,0,0,.5);padding:.5rem 1.2rem;border-radius:100px;white-space:nowrap}

/* ===== TOAST ===== */
.toast{position:fixed;bottom:2rem;right:2rem;background:var(--c-navy-mid);border:1px solid rgba(249,115,22,.4);color:#fff;padding:1rem 1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-md);font-size:.9rem;font-weight:600;display:flex;align-items:center;gap:.6rem;z-index:3000;transform:translateY(100px);opacity:0;transition:transform .4s cubic-bezier(.34,1.56,.64,1),opacity .4s ease}
.toast.show{transform:none;opacity:1}
.toast-icon{font-size:1.2rem}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .about-grid,.empleo-grid,.contacto-grid{gap:3rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .portfolio-item:nth-child(1){grid-column:span 12;grid-row:span 1}
  .portfolio-item:nth-child(2){grid-column:span 6}
  .portfolio-item:nth-child(3){grid-column:span 6}
  .portfolio-item:nth-child(4){grid-column:span 4}
  .portfolio-item:nth-child(5){grid-column:span 4}
  .portfolio-item:nth-child(6){grid-column:span 4}
}
@media(max-width:768px){
  section{padding:70px 0}
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(320px,85vw);background:var(--c-navy-mid);flex-direction:column;align-items:flex-start;padding:7rem 2rem 2rem;gap:1.5rem;transform:translateX(100%);transition:transform var(--transition);box-shadow:-8px 0 40px rgba(0,0,0,.5)}
  .nav-links.open{transform:none}
  .nav-links a{font-size:1rem}
  .nav-toggle{display:flex;z-index:1001}
  .about-grid{grid-template-columns:1fr}
  .about-badge{right:0}
  .portfolio-item{grid-column:span 12!important;grid-row:span 1!important}
  .portfolio-overlay{opacity:1}
  .empleo-grid,.contacto-grid{grid-template-columns:1fr;gap:2.5rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .form-row{grid-template-columns:1fr}
  .hero-stats{gap:1.5rem}
  .empleo-perks{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .btn{justify-content:center}
  .portfolio-header{flex-direction:column;align-items:flex-start}
}


/* ================================================
   PRELOADER
   ================================================ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--c-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}
.preloader-logo .logo-mark {
  width: 60px;
  height: 60px;
  font-size: 1.5rem;
  animation: pulse-preloader 1.5s infinite ease-in-out;
}
@keyframes pulse-preloader {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* ================================================
   CLIENTES (MARQUEE)
   ================================================ */
#clientes {
  background: var(--c-surface);
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.clientes-title {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-grey-dk);
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}
.marquee-wrapper {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}
.marquee-wrapper::before,
.marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
}
.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--c-surface), transparent);
}
.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--c-surface), transparent);
}
.marquee {
  display: inline-flex;
  gap: 4rem;
  animation: scroll-marquee 25s linear infinite;
}
.client-logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--c-grey-dk);
  opacity: 0.4;
  letter-spacing: -0.02em;
}
@keyframes scroll-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 2rem)); }
}

/* ================================================
   FINAL CTA
   ================================================ */
#cta-final {
  background: var(--c-navy);
  padding: 4rem 0 6rem 0;
}
.cta-box {
  background: linear-gradient(135deg, var(--c-navy-mid), var(--c-steel));
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.1);
}
.cta-box h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.cta-box p {
  color: var(--c-grey);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  font-size: 1.1rem;
}

/* ================================================
   BACK TO TOP
   ================================================ */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--c-accent);
  color: white;
  border: none;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
}
#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#back-to-top:hover {
  background: var(--c-accent-dk);
  transform: translateY(-4px);
}
@media (max-width: 768px) {
  #back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

/* ================================================
   COOKIE BANNER
   ================================================ */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--c-surface);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem;
  z-index: 5000;
  display: flex;
  justify-content: center;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
#cookie-banner.show {
  transform: translateY(0);
}
.cookie-content {
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
}
.cookie-content p {
  font-size: 0.85rem;
  color: var(--c-grey);
  margin: 0;
  line-height: 1.6;
}
.cookie-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.cookie-link {
  font-size: 0.85rem;
  color: var(--c-grey-dk);
  text-decoration: underline;
}
.cookie-link:hover {
  color: var(--c-white);
}
@media (max-width: 768px) {
  .cookie-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}