/* ===================================================================
   ESEK — Hoja de estilos principal
   Marca: Teal #0A9A90 · Gris #4C4C4C · Tipografía Montserrat
   =================================================================== */

:root{
  --teal:#0A9A90;
  --teal-dark:#077c74;
  --teal-light:#13b7ab;
  --gray:#4C4C4C;
  --gray-dark:#2f2f2f;
  --ink:#22312f;
  --muted:#6b7470;
  --bg:#ffffff;
  --bg-soft:#f4f7f6;
  --bg-soft2:#eef3f2;
  --line:#e3e9e7;
  --white:#ffffff;
  --grad: linear-gradient(135deg, var(--gray) 0%, var(--teal) 100%);
  --grad-soft: linear-gradient(135deg, #3a3a3a 0%, var(--teal-dark) 100%);
  --shadow-sm: 0 2px 10px rgba(20,40,38,.06);
  --shadow: 0 12px 34px rgba(16,40,38,.10);
  --shadow-lg: 0 24px 60px rgba(16,40,38,.16);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --ease: cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset / base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Montserrat',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4,h5{line-height:1.2;font-weight:700;color:var(--gray-dark)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Utilidades ---------- */
.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.9);margin-bottom:14px;
}
.eyebrow-dark{color:var(--teal)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-weight:600;font-size:.98rem;
  padding:14px 28px;border-radius:50px;border:2px solid transparent;
  cursor:pointer;transition:.25s var(--ease);white-space:nowrap;
}
.btn-sm{padding:9px 20px;font-size:.9rem}
.btn-block{width:100%}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(10,154,144,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(10,154,144,.42)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--gray-dark);border-color:#fff}
.btn-light{background:#fff;color:var(--gray-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}

/* ===================== HEADER ===================== */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:.3s var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand-logo{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav-link{font-weight:500;font-size:.96rem;color:var(--gray);position:relative;transition:.2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:.25s var(--ease)}
.nav-link:hover,.nav-link.active{color:var(--teal)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-cta{color:#fff!important}
.nav-cta::after{display:none}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2.6px;background:var(--gray-dark);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* ===================== HERO ===================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;padding-top:72px}
.hero-bg{position:absolute;inset:0;background:var(--grad);z-index:0}
.hero-bg::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:radial-gradient(circle at 1px 1px,#fff 1.4px,transparent 0);
  background-size:34px 34px;
}
.hero-bg::after{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  right:-140px;top:-120px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);
}
.hero-inner{position:relative;z-index:2;padding:60px 24px 120px}
.hero-content{max-width:760px}
.hero-title{font-size:clamp(2.3rem,5.4vw,4rem);font-weight:800;color:#fff;letter-spacing:-.5px}
.hero-title .grad{
  background:linear-gradient(120deg,#fff,#bff3ee);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{font-size:clamp(1.05rem,2vw,1.25rem);margin:22px 0 32px;color:rgba(255,255,255,.92);font-weight:300;max-width:640px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-badges{display:flex;gap:24px;flex-wrap:wrap;margin-top:38px;font-size:.92rem;font-weight:500;color:rgba(255,255,255,.92)}
.hero-wave{position:absolute;left:0;bottom:-1px;width:100%;line-height:0;z-index:2}
.hero-wave svg{width:100%;height:80px}
.hero-wave path{fill:var(--bg)}

/* ===================== STATS ===================== */
.stats{background:var(--bg);padding:10px 0 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-30px;position:relative;z-index:5}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center}
.stat-num{font-size:2.1rem;font-weight:800;color:var(--teal);line-height:1}
.stat-suffix{font-size:1.1rem;font-weight:800;color:var(--teal);margin-top:-6px}
.stat-label{font-size:.86rem;color:var(--muted);margin-top:8px;font-weight:500}

/* ===================== SECCIONES ===================== */
.section{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 54px}
.section-title{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800}
.section-lead{color:var(--muted);font-size:1.06rem;margin-top:14px;font-weight:400}

/* ---------- Tarjetas servicios ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;transition:.3s var(--ease);position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.35s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-icon{width:58px;height:58px;border-radius:14px;background:var(--bg-soft2);display:flex;align-items:center;justify-content:center;color:var(--teal);margin-bottom:20px;transition:.3s}
.card-icon svg{width:30px;height:30px}
.card:hover .card-icon{background:var(--grad);color:#fff}
.card h3{font-size:1.18rem;margin-bottom:12px}
.card p{color:var(--muted);font-size:.96rem;margin-bottom:16px}
.card-list li{position:relative;padding-left:22px;font-size:.9rem;color:var(--gray);margin-bottom:7px}
.card-list li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--teal)}
.card-feature{background:linear-gradient(180deg,#fff, #f7fbfa);border-color:#d7ece9}
.card-sap-mini{display:flex;flex-direction:column}
.card-more{margin-top:auto;color:var(--teal);font-weight:600;font-size:.92rem}
.card-more:hover{text-decoration:underline}

/* ===================== SAP ===================== */
.sap-section{background:var(--bg-soft)}
.sap-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.sap-cols{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:26px 0 30px}
.sap-cols h4{color:var(--teal);margin-bottom:12px;font-size:1.02rem}
.sap-card{background:var(--grad);color:#fff;border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow)}
.sap-card h4{color:#fff;font-size:1.25rem;margin-bottom:18px}
.check-list li{position:relative;padding-left:30px;margin-bottom:14px;font-weight:500}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}

/* ===================== SEGURIDAD ===================== */
.seguridad{background:var(--bg)}
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sec-item{padding:30px 26px;border-radius:var(--radius);background:var(--bg-soft);border:1px solid var(--line);transition:.3s var(--ease)}
.sec-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);background:#fff}
.sec-num{font-size:2rem;font-weight:800;color:var(--teal);opacity:.5}
.sec-item h4{margin:8px 0 8px;font-size:1.1rem}
.sec-item p{color:var(--muted);font-size:.92rem}

/* ===================== NOSOTROS ===================== */
.nosotros{background:var(--bg-soft)}
.nos-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:center}
.nos-text p{color:var(--muted);margin-bottom:24px}
.values{display:grid;gap:18px}
.value{padding-left:18px;border-left:3px solid var(--teal)}
.value h4{font-size:1.05rem;margin-bottom:4px}
.value p{font-size:.92rem;margin:0}
.nos-aside{text-align:center}
.iso-mark{width:200px;height:200px;margin:0 auto 24px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);border:1px solid var(--line)}
.iso-mark img{width:120px}
.nos-aside blockquote{font-size:1.15rem;font-style:italic;color:var(--gray);font-weight:500;max-width:340px;margin:0 auto}

/* ===================== PROCESO ===================== */
.proceso{background:var(--bg)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{text-align:center;padding:20px}
.step-num{width:62px;height:62px;margin:0 auto 18px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;box-shadow:0 10px 24px rgba(10,154,144,.3)}
.step h4{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.92rem}

/* ===================== CTA ===================== */
.cta-band{background:var(--grad);color:#fff;text-align:center;padding:70px 0}
.cta-inner h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem)}
.cta-inner p{margin:12px 0 28px;font-size:1.1rem;color:rgba(255,255,255,.9)}

/* ===================== CONTACTO ===================== */
.contacto{background:var(--bg-soft)}
.cont-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:start}
.cont-list{margin:26px 0}
.cont-list li{display:flex;align-items:center;gap:14px;margin-bottom:16px;color:var(--gray);font-weight:500}
.cont-list svg{width:24px;height:24px;color:var(--teal);flex-shrink:0}
.cont-list a:hover{color:var(--teal)}
.socials{display:flex;gap:12px;margin-top:8px}
.socials a{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--gray);transition:.25s}
.socials a:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-3px)}

.cont-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-size:.86rem;font-weight:600;color:var(--gray);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.6px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.96rem;color:var(--ink);background:#fcfdfd;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(10,154,144,.12);background:#fff}
.field textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{margin-top:14px;font-size:.92rem;font-weight:500;text-align:center;min-height:20px}
.form-msg.ok{color:var(--teal)}
.form-msg.err{color:#c0392b}

/* ===================== FOOTER ===================== */
.site-footer{background:var(--gray-dark);color:rgba(255,255,255,.78)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:60px 24px 40px}
.foot-iso{height:46px;margin-bottom:12px}
.foot-word{font-size:1.4rem;font-weight:800;color:#fff;letter-spacing:3px}
.foot-tag{color:var(--teal-light);font-size:.82rem;font-weight:600;letter-spacing:.08em;margin:6px 0 12px;text-transform:uppercase}
.foot-desc{font-size:.9rem;max-width:280px}
.foot-col h5{color:#fff;font-size:1rem;margin-bottom:16px}
.foot-col a,.foot-col span{display:block;font-size:.9rem;margin-bottom:10px;color:rgba(255,255,255,.72);transition:.2s}
.foot-col a:hover{color:var(--teal-light);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem;color:rgba(255,255,255,.6)}

/* ===================== TO TOP ===================== */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.3s var(--ease);z-index:90;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* ===================== REVEAL ANIM ===================== */
.reveal{opacity:0;transform:translateY(28px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===================== RESPONSIVE ===================== */
@media (max-width:980px){
  .cards,.stats-grid,.sec-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .sap-grid,.nos-grid,.cont-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav{
    position:fixed;top:72px;right:0;width:min(78%,320px);height:calc(100vh - 72px);
    background:#fff;flex-direction:column;align-items:flex-start;gap:6px;padding:26px;
    box-shadow:-10px 0 40px rgba(0,0,0,.12);transform:translateX(110%);transition:.35s var(--ease);
  }
  .nav.open{transform:translateX(0)}
  .nav-link{width:100%;padding:10px 0;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-cta{width:100%;margin-top:10px}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .sap-cols{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer-bottom .container{justify-content:center;text-align:center}
}
@media (max-width:480px){
  .cards,.stats-grid,.sec-grid,.steps,.footer-grid{grid-template-columns:1fr}
  .hero-badges{gap:14px}
  .cont-form{padding:24px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ===================================================================
   COMPONENTES ADICIONALES (multipágina)
   =================================================================== */

/* Grids de tarjetas con N columnas */
.cards-2{grid-template-columns:repeat(2,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card-step{display:inline-block;font-size:1.4rem;font-weight:800;color:var(--teal);opacity:.45;margin-bottom:6px}

/* Banner superior de páginas internas */
.page-banner{
  background:var(--grad);color:#fff;padding:130px 0 56px;position:relative;overflow:hidden;text-align:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(circle at 1px 1px,#fff 1.3px,transparent 0);background-size:32px 32px;
}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800}
.page-banner p{color:rgba(255,255,255,.92);margin-top:10px;font-size:1.08rem;font-weight:300}

/* Experiencia / cifras */
.exp-section{background:var(--bg)}
.exp-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.exp-item{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:38px 34px;text-align:center}
.exp-num{display:block;font-size:3.2rem;font-weight:800;color:var(--teal);line-height:1}
.exp-item h3{margin:8px 0 10px;font-size:1.25rem}
.exp-item p{color:var(--muted);font-size:.96rem}

/* Aliados */
.aliados{background:var(--bg-soft)}
.aliados-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;align-items:center}
.aliado{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 16px;display:flex;align-items:center;justify-content:center;transition:.3s var(--ease)}
.aliado:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.aliado img{max-height:54px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.7;transition:.3s}
.aliado:hover img{filter:none;opacity:1}

/* Normas (seguridad) */
.norm-strip{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;text-align:center;margin-bottom:40px;box-shadow:var(--shadow-sm)}
.norm-strip h4{margin-bottom:16px;color:var(--gray-dark)}
.norm-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tag{background:var(--bg-soft2);color:var(--teal-dark);font-weight:600;font-size:.9rem;padding:8px 18px;border-radius:50px;border:1px solid #d7ece9}

/* Caso destacado (SAP) */
.case-feature{display:grid;grid-template-columns:1fr 1.3fr;gap:36px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.case-feature img{border-radius:var(--radius-sm);width:100%;height:100%;object-fit:cover;max-height:280px}
.case-feature h3{font-size:1.4rem;margin:10px 0 12px}
.case-feature p{color:var(--muted)}

/* Nosotros */
.lead-text{font-size:1.1rem;color:var(--gray);margin-bottom:26px}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mv-item{padding-left:18px;border-left:3px solid var(--teal)}
.mv-item h4{font-size:1.15rem;margin-bottom:6px}
.mv-item p{color:var(--muted);font-size:.96rem}
.valores-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.valor-chip{background:var(--grad);color:#fff;font-weight:700;padding:16px 34px;border-radius:50px;font-size:1.05rem;box-shadow:0 8px 20px rgba(10,154,144,.28)}
.team-card{text-align:center}
.team-avatar{width:72px;height:72px;margin:0 auto 16px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:800}
.team-role{display:block;color:var(--teal);font-weight:600;font-size:.92rem;margin-bottom:10px}

/* Casos de éxito */
.caso-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.caso-card img{width:100%;height:180px;object-fit:cover}
.caso-card .caso-tag{display:inline-block;margin:20px 26px 0;background:var(--bg-soft2);color:var(--teal-dark);font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 14px;border-radius:50px;align-self:flex-start}
.caso-card h3{margin:12px 26px 8px;font-size:1.15rem}
.caso-card p{margin:0 26px 26px;color:var(--muted);font-size:.94rem}

/* Botón WhatsApp flotante */
.wa-float{
  position:fixed;left:24px;bottom:24px;width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;z-index:95;
  box-shadow:0 10px 26px rgba(37,211,102,.45);transition:.3s var(--ease);
}
.wa-float svg{width:32px;height:32px}
.wa-float:hover{transform:scale(1.08)}

/* Form title */
.form-title{margin-bottom:20px;font-size:1.3rem}

/* ===== Responsive adicional ===== */
@media (max-width:980px){
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .aliados-grid{grid-template-columns:repeat(3,1fr)}
  .exp-grid,.mv-grid,.case-feature{grid-template-columns:1fr}
  .case-feature img{max-height:220px}
}
@media (max-width:760px){
  .page-banner{padding:110px 0 44px}
  .cards-2,.cards-3{grid-template-columns:1fr}
  .valor-chip{padding:13px 26px;font-size:.98rem}
}
@media (max-width:480px){
  .aliados-grid{grid-template-columns:repeat(2,1fr)}
  .wa-float{width:50px;height:50px;left:16px;bottom:16px}
  .wa-float svg{width:28px;height:28px}
  .to-top{right:16px;bottom:80px}
  .exp-num{font-size:2.6rem}
}