/* ════════════════════════════════════════════════
   SUMA — Hoja de estilos principal
   Paleta: Verde Bosque + Dorado + Carbon
   Inspirada en la arquitectura de Parsema TL
   ════════════════════════════════════════════════ */

*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --green:#173B25;--green-dark:#0e2417;--green-light:#245436;--green-xdark:#0a1a10;
  --gold:#C9A24D;--gold-dark:#9a7833;--gold-light:#E1C16E;--gold-pale:#F2D588;
  --carbon:#111513;--carbon-deep:#0a0c0b;
  --white:#fff;--off-white:#F4F0E6;--gray-light:#eef0f3;--gray-mid:#dde1e7;
  --gray-text:#8a9185;--dark:#0f1923;
  --shadow-gold:0 8px 32px rgba(201,162,77,.25);
  --radius:2px;
}
html{scroll-behavior:smooth;}
body{font-family:'Montserrat',sans-serif;color:var(--white);background:var(--carbon-deep);overflow-x:hidden;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}

/* ══ SCROLL PROGRESS ══ */
#scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light));width:0%;z-index:9999;transition:width .1s linear;}

/* ══ BACK TO TOP ══ */
#back-to-top{position:fixed;bottom:100px;right:28px;z-index:800;width:46px;height:46px;border:none;border-radius:50%;background:var(--green);color:var(--gold);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(0,0,0,.4);opacity:0;pointer-events:none;transform:translateY(20px);transition:all .35s cubic-bezier(.22,.61,.36,1);}
#back-to-top.visible{opacity:1;pointer-events:all;transform:translateY(0);}
#back-to-top:hover{background:var(--gold);color:var(--carbon);transform:translateY(-3px);}

/* ══ PARTICLES ══ */
#particles-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;}

/* ══ TOPBAR ══ */
.topbar{background:linear-gradient(90deg,#0e1a12 0%,var(--green-dark) 60%,#0e1a12 100%);padding:0 56px;height:38px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(201,162,77,.15);position:relative;z-index:310;}
.topbar a{color:rgba(255,255,255,0.5);font-size:12px;text-decoration:none;letter-spacing:.5px;margin-right:16px;transition:all .2s;display:inline-flex;align-items:center;gap:6px;}
.topbar a:hover{color:var(--gold);}
.topbar-right{display:flex;gap:12px;}
.topbar-right a{margin:0;font-size:12px;padding:4px 10px;border:1px solid rgba(255,255,255,.08);transition:all .2s;}
.topbar-right a:hover{border-color:var(--gold);background:rgba(201,162,77,.1);}

/* ══ NAV ══ */
nav{position:fixed;top:38px;left:0;right:0;z-index:300;background:rgba(14,36,23,0.86);backdrop-filter:blur(20px) saturate(1.25);-webkit-backdrop-filter:blur(20px) saturate(1.25);border-bottom:1px solid rgba(255,255,255,.07);transition:background .45s cubic-bezier(.22,.61,.36,1),box-shadow .45s,border-color .45s;will-change:transform;}
nav::after{content:'';position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:linear-gradient(90deg,var(--gold) 0%,rgba(201,162,77,0) 55%);opacity:0;transition:opacity .45s;}
nav.scrolled{background:rgba(10,26,16,0.96);box-shadow:0 10px 34px rgba(0,0,0,.42);border-bottom-color:rgba(255,255,255,.06);}
nav.scrolled::after{opacity:1;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:0 36px;height:80px;gap:14px;transition:height .4s cubic-bezier(.22,.61,.36,1);}
nav.scrolled .nav-inner{height:64px;}
.nav-logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0;}
.nav-logo-img{height:140px;width:auto;display:block;margin-top:-30px;margin-bottom:-30px;transition:transform .3s ease,height .35s cubic-bezier(.22,.61,.36,1),margin .35s;}
nav.scrolled .nav-logo-img{height:100px;margin-top:-20px;margin-bottom:-20px;}
.nav-logo:hover .nav-logo-img{transform:scale(1.03);}
.nav-links{display:flex;align-items:center;list-style:none;gap:2px;margin-left:auto;}
.nav-links>li{position:relative;display:flex;align-items:center;}
.nav-links>li>a{position:relative;display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,0.80);text-decoration:none;font-size:12.5px;font-weight:600;letter-spacing:.9px;text-transform:uppercase;padding:9px 14px;border-radius:9px;white-space:nowrap;transition:color .25s ease,background .25s ease;cursor:pointer;}
.nav-links>li>a::after{content:'';position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--gold);transform:scaleX(0);transform-origin:center;transition:transform .3s cubic-bezier(.22,.61,.36,1);}
.nav-links>li>a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-links>li>a:hover::after{transform:scaleX(1);}
.nav-links>li>a.active{color:#fff;}
.nav-links>li>a.active::after{transform:scaleX(1);}
.nav-links>li.nav-drawer-extra{display:none;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--carbon);padding:11px 22px;font-size:12.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;text-decoration:none;border-radius:10px;white-space:nowrap;flex-shrink:0;margin-left:8px;box-shadow:0 4px 16px rgba(201,162,77,.32);transition:transform .2s,box-shadow .2s,background .25s;}
.nav-cta svg{width:14px;height:14px;transition:transform .25s;}
.nav-cta:hover{background:linear-gradient(135deg,var(--gold-light),var(--gold));transform:translateY(-2px);box-shadow:0 10px 26px rgba(201,162,77,.45);}
.nav-cta:hover svg{transform:translateX(3px);}

/* Burger */
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:none;background:transparent;cursor:pointer;padding:0;margin-left:6px;flex-shrink:0;}
.nav-burger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;margin:0 auto;transition:transform .3s ease,opacity .25s ease;}
.nav-backdrop{display:none;}

/* ══ HERO ══ */
.hero{margin-top:118px;min-height:92vh;position:relative;display:flex;align-items:center;overflow:hidden;background:var(--carbon-deep);}
.hero::before{content:'';position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?q=80&w=1920') no-repeat center center/cover;opacity:.18;}
.h-ov1{position:absolute;inset:0;background:linear-gradient(108deg,rgba(10,12,11,.96) 0%,rgba(10,12,11,.80) 45%,rgba(23,59,37,.35) 100%);z-index:1;}
.h-ov2{position:absolute;inset:0;background:radial-gradient(ellipse at 82% 38%,rgba(201,162,77,.18) 0%,transparent 62%);z-index:1;}
.h-bar{position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--gold) 0%,var(--gold) 65%,transparent 100%);z-index:4;}
.hero-content{position:relative;z-index:10;padding:0 80px;max-width:860px;}
.hero-brand{margin-bottom:32px;display:flex;flex-direction:column;align-items:flex-start;gap:10px;animation:heroLogoIn 1.2s cubic-bezier(.22,.61,.36,1) both;padding-bottom:28px;border-bottom:2px solid rgba(201,162,77,.2);}
.hero-brand-name{font-family:'Barlow Condensed',sans-serif;font-size:clamp(80px,14vw,140px);font-weight:900;text-transform:uppercase;letter-spacing:8px;line-height:.85;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 35%,var(--white) 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 40px rgba(201,162,77,.25)) drop-shadow(0 4px 12px rgba(201,162,77,.2));}
.hero-brand-tagline{font-size:15px;font-weight:600;letter-spacing:5px;text-transform:uppercase;color:rgba(255,255,255,.5);padding-left:6px;display:flex;align-items:center;gap:14px;}
.hero-brand-tagline::before,.hero-brand-tagline::after{content:'';width:28px;height:1px;background:linear-gradient(90deg,var(--gold),rgba(201,162,77,.2));}
.hero-brand-tagline::after{background:linear-gradient(90deg,rgba(201,162,77,.2),var(--gold));}
@keyframes heroLogoIn{0%{opacity:0;transform:translateY(20px);}100%{opacity:1;transform:translateY(0);}}
.hero-badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(201,162,77,.5);background:rgba(201,162,77,.12);color:var(--gold);font-size:11px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;padding:8px 20px;margin-bottom:28px;backdrop-filter:blur(8px);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:blink 1.5s infinite;}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}
.hero-h1{font-family:'Barlow Condensed',sans-serif;font-size:clamp(52px,8vw,100px);font-weight:900;color:white;line-height:.9;text-transform:uppercase;margin-bottom:30px;}
.hero-h1 .or,.or{color:var(--gold);}
.hero-desc{font-size:18px;color:rgba(255,255,255,.65);line-height:1.85;max-width:540px;margin-bottom:44px;font-weight:300;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:64px;}
.btn-fill{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--carbon);padding:17px 44px;font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase;text-decoration:none;border:none;cursor:pointer;transition:all .25s;position:relative;overflow:hidden;}
.btn-fill::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity .25s;}
.btn-fill:hover{transform:translateY(-2px);box-shadow:var(--shadow-gold);}
.btn-fill:hover::after{opacity:1;}
.btn-fill-lg{padding:20px 52px;font-size:15px;}
.btn-line{background:transparent;color:white;padding:17px 44px;font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase;text-decoration:none;border:2px solid rgba(255,255,255,.28);transition:all .25s;display:inline-block;}
.btn-line:hover{border-color:var(--gold);color:var(--gold);background:rgba(201,162,77,.06);}
.hero-kpis{display:flex;gap:52px;padding-top:44px;border-top:1px solid rgba(255,255,255,.12);flex-wrap:wrap;}
.kpi-num{font-family:'Barlow Condensed',sans-serif;font-size:54px;font-weight:900;color:var(--gold);line-height:1;}
.kpi-label{font-size:12px;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:1.5px;margin-top:5px;}

/* ══ PILARES RIBBON (Identidad SUMA) ══ */
.ribbon{position:relative;z-index:5;background:var(--green-dark);border-top:3px solid var(--gold);border-bottom:1px solid rgba(201,162,77,.15);}
.ribbon-inner{display:flex;align-items:center;justify-content:center;max-width:1100px;margin:0 auto;padding:0 20px;}
.ribbon-pill{display:flex;flex-direction:column;align-items:center;text-align:center;text-decoration:none;padding:32px 36px;position:relative;transition:all .35s cubic-bezier(.22,.61,.36,1);flex:1;cursor:pointer;}
.ribbon-pill:hover{background:rgba(201,162,77,.08);}
.ribbon-circle{width:56px;height:56px;border-radius:50%;border:2px solid rgba(201,162,77,.35);background:rgba(201,162,77,.08);color:var(--gold-light);display:flex;align-items:center;justify-content:center;margin-bottom:14px;transition:all .4s cubic-bezier(.22,.61,.36,1);}
.ribbon-pill:hover .ribbon-circle{border-color:var(--gold);background:var(--gold);color:var(--carbon);transform:scale(1.12) rotate(8deg);box-shadow:0 8px 24px rgba(201,162,77,.35);}
.ribbon-label{font-family:'Barlow Condensed',sans-serif;font-size:18px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--white);transition:color .3s;}
.ribbon-pill:hover .ribbon-label{color:var(--gold);}
.ribbon-sub{font-size:11px;color:rgba(255,255,255,.4);margin-top:4px;letter-spacing:.5px;transition:color .3s;}
.ribbon-pill:hover .ribbon-sub{color:rgba(255,255,255,.7);}
.ribbon-line{position:absolute;bottom:0;left:20%;right:20%;height:3px;background:linear-gradient(90deg,transparent,var(--gold),transparent);transform:scaleX(0);transition:transform .4s cubic-bezier(.22,.61,.36,1);}
.ribbon-pill:hover .ribbon-line{transform:scaleX(1);}
.ribbon-divider{width:1px;height:60px;background:linear-gradient(180deg,transparent,rgba(201,162,77,.3),transparent);flex-shrink:0;}

/* ══ SECTIONS COMMON ══ */
.section{padding:96px 56px;position:relative;z-index:2;}
.section-dark{background:var(--green-dark);}
.section-narrow{max-width:1280px;margin:0 auto;}
.section-head{margin-bottom:56px;}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--gold);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.eyebrow::before{content:'';width:20px;height:2px;background:var(--gold);}
.sec-title{font-family:'Barlow Condensed',sans-serif;font-size:clamp(38px,5vw,62px);font-weight:900;text-transform:uppercase;line-height:.95;}
.sec-title.white{color:white;}
.sec-sub{font-size:17px;color:var(--gray-text);line-height:1.75;margin-top:18px;max-width:600px;font-weight:300;}

/* ══ SERVICES GRID ══ */
.serv-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.serv-card{position:relative;background:rgba(23,59,37,.35);border:1px solid rgba(255,255,255,.07);padding:40px 28px 32px;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start;gap:16px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.serv-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.serv-card:hover{transform:translateY(-8px);box-shadow:0 22px 54px rgba(0,0,0,.35);border-color:rgba(201,162,77,.25);}
.serv-card:hover::before{transform:scaleX(1);}
.serv-card-glow{position:absolute;inset:0;pointer-events:none;transition:background .3s;}
.serv-num{position:absolute;top:20px;right:22px;font-family:'Barlow Condensed',sans-serif;font-size:52px;font-weight:900;line-height:1;letter-spacing:-1.5px;color:rgba(255,255,255,.05);pointer-events:none;transition:color .35s;}
.serv-card:hover .serv-num{color:rgba(201,162,77,.12);}
.serv-icon{width:56px;height:56px;color:var(--gold);transition:transform .3s;}
.serv-icon svg{width:100%;height:100%;}
.serv-card:hover .serv-icon{transform:scale(1.12) rotate(3deg);}
.serv-card h3{font-family:'Barlow Condensed',sans-serif;font-size:22px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:white;}
.serv-card p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;flex-grow:1;}
.serv-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--gold);text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;transition:all .25s;margin-top:auto;}
.serv-arrow svg{width:16px;height:16px;transition:transform .25s;}
.serv-arrow:hover{color:white;}
.serv-arrow:hover svg{transform:translateX(5px);}

/* ══ VENTAJAS ══ */
.val-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px;}
.val-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:40px 32px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;}
.val-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.val-card:hover{transform:translateY(-6px);box-shadow:0 22px 54px rgba(0,0,0,.25);border-color:rgba(201,162,77,.25);}
.val-card:hover::before{transform:scaleX(1);}
.val-icon{width:52px;height:52px;color:var(--gold);margin-bottom:20px;}
.val-icon svg{width:100%;height:100%;}
.val-card h4{font-family:'Barlow Condensed',sans-serif;font-size:22px;font-weight:800;text-transform:uppercase;margin-bottom:12px;}
.val-card p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;}

/* ══ CTA FINAL ══ */
.section-cta{padding:100px 56px;background:var(--green);position:relative;z-index:2;overflow:hidden;}
.cta-pattern{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(201,162,77,.12) 0%,transparent 60%);z-index:0;}

/* ══ FOOTER ══ */
.footer{background:var(--carbon);border-top:1px solid rgba(255,255,255,.07);position:relative;z-index:2;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding:56px;max-width:1280px;margin:0 auto;}
.f-logo{height:120px;width:auto;display:block;margin-top:-25px;margin-bottom:-5px;filter:brightness(1.1);transition:transform .3s;}
.f-logo:hover{transform:scale(1.03);}
.f-desc{font-size:13px;color:rgba(255,255,255,.5);line-height:1.75;max-width:360px;}
.f-col-t{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:18px;}
.f-links{list-style:none;}
.f-links li{margin-bottom:10px;}
.f-links a{color:rgba(255,255,255,.55);text-decoration:none;font-size:13px;transition:color .2s;}
.f-links a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 56px;display:flex;justify-content:center;}
.f-copy{font-size:12px;color:rgba(255,255,255,.35);letter-spacing:.5px;}

/* ══ WHATSAPP FLOAT ══ */
.wa-float{position:fixed;bottom:28px;right:28px;z-index:900;width:60px;height:60px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:transform .3s,box-shadow .3s;}
.wa-float svg{width:28px;height:28px;fill:#fff;position:relative;z-index:2;}
.wa-float:hover{transform:scale(1.1);box-shadow:0 8px 30px rgba(37,211,102,.55);}
.wa-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:#25D366;animation:waPulse 2s infinite;}
@keyframes waPulse{0%{transform:scale(1);opacity:.6;}100%{transform:scale(1.6);opacity:0;}}

/* ══ FADE-IN ANIMATION ══ */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);}
.fade-in.visible{opacity:1;transform:translateY(0);}

@media(max-width:1250px){
  .serv-grid{grid-template-columns:repeat(3,1fr);}
}

/* ════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════ */
@media(max-width:1100px){
  .serv-grid{grid-template-columns:repeat(2,1fr);}
  .val-grid{grid-template-columns:repeat(2,1fr);}
}

@media(max-width:960px){
  .topbar{display:none;}
  nav{top:0;}
  .hero{margin-top:80px;}
  .nav-links{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:var(--green-dark);flex-direction:column;align-items:stretch;padding:100px 28px 40px;gap:4px;overflow-y:auto;transition:right .35s cubic-bezier(.22,.61,.36,1);z-index:500;box-shadow:-12px 0 48px rgba(0,0,0,.55);}
  body.nav-open .nav-links{right:0;}
  .nav-links>li>a{padding:14px 18px;font-size:14px;border-radius:10px;letter-spacing:.6px;}
  .nav-links>li>a::after{display:none;}
  .nav-links>li>a:hover,.nav-links>li>a.active{background:rgba(255,255,255,.08);}
  .nav-links>li.nav-drawer-extra{display:flex;flex-direction:column;gap:10px;margin-top:12px;}
  .nav-drawer-wa{display:flex;align-items:center;justify-content:center;gap:8px;background:#25D366;color:#fff;text-decoration:none;padding:13px;border-radius:10px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;}
  .nav-burger{display:flex;}
  .nav-cta{display:none;}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(5,7,9,.55);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .35s;z-index:400;}
  body.nav-open .nav-backdrop{opacity:1;pointer-events:auto;}
  body.nav-open{overflow:hidden;}
  /* Burger animation */
  body.nav-open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  body.nav-open .nav-burger span:nth-child(2){opacity:0;}
  body.nav-open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .hero-content{padding:0 32px;}
  .hero-brand-name{font-size:clamp(56px,10vw,80px);}
  .hero-kpis{gap:32px;}
  .kpi-num{font-size:42px;}
  .ribbon-inner{flex-wrap:wrap;}
  .ribbon-pill{flex:1 1 45%;padding:24px 20px;}
  .ribbon-divider{display:none;}
  .section{padding:64px 28px;}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:40px 28px;}
  .footer-bottom{padding:16px 28px;}
}

@media(max-width:600px){
  .hero-brand-name{font-size:clamp(44px,10vw,60px);letter-spacing:3px;}
  .hero-h1{font-size:clamp(38px,10vw,52px);}
  .hero-desc{font-size:16px;}
  .hero-kpis{gap:24px;}
  .kpi-num{font-size:36px;}
  .serv-grid{grid-template-columns:1fr;}
  .val-grid{grid-template-columns:1fr;}
  .ribbon-pill{flex:1 1 100%;}
  .ribbon-circle{width:48px;height:48px;}
  .btn-fill,.btn-line{width:100%;justify-content:center;text-align:center;}
}