/*
Theme Name: Nerthalis
Theme URI: https://nerthalis.cl
Author: Nerthalis SpA
Description: Tema corporativo personalizado para Nerthalis SpA — geociencias, recursos hídricos, riesgo, ingeniería y operaciones de terreno.
Version: 1.0.0
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 8.0
Text Domain: nerthalis
*/

:root{
  --n-ink:#0b1720;
  --n-navy:#123247;
  --n-deep:#0a2530;
  --n-teal:#0b7a7f;
  --n-water:#15657a;
  --n-forest:#3d604c;
  --n-earth:#a56a3a;
  --n-mist:#edf4f3;
  --n-cloud:#f7f9f8;
  --n-line:#d9e3e2;
  --n-text:#26353c;
  --n-muted:#68777d;
  --n-white:#ffffff;
  --n-radius:22px;
  --n-shadow:0 24px 70px rgba(9,32,42,.12);
  --n-max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--n-text);
  background:#fff;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.n-wrap{width:min(calc(100% - 40px),var(--n-max));margin-inline:auto}
.n-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--n-teal);
}
.n-eyebrow:before{content:"";width:34px;height:2px;background:var(--n-teal)}
.n-section{padding:104px 0}
.n-section--soft{background:var(--n-cloud)}
.n-section--dark{background:var(--n-ink);color:#fff}
.n-title{
  margin:12px 0 18px;
  max-width:820px;
  color:var(--n-ink);
  font-size:clamp(2rem,4vw,3.5rem);
  line-height:1.06;
  letter-spacing:-.045em;
}
.n-title--light{color:#fff}
.n-lead{
  max-width:760px;margin:0;
  color:var(--n-muted);
  font-size:clamp(1.03rem,1.7vw,1.22rem);
}
.n-lead--light{color:#c8d7dc}
.n-button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 22px;border-radius:999px;
  font-weight:800;font-size:.94rem;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.n-button:hover{transform:translateY(-2px)}
.n-button--primary{background:var(--n-teal);color:#fff;box-shadow:0 12px 30px rgba(11,122,127,.24)}
.n-button--primary:hover{background:#096b70}
.n-button--ghost{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.04)}
.n-button--ghost:hover{background:rgba(255,255,255,.09)}
.n-button--light{background:#fff;color:var(--n-ink)}
.n-arrow{font-size:1.1em}

/* Header */
.n-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.91);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(14,50,66,.08);
}
.n-header__inner{
  min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.n-brand{display:flex;align-items:center;gap:14px}
.n-brand img{width:148px;max-height:68px;object-fit:contain}
.n-nav{display:flex;align-items:center;gap:26px;font-size:.91rem;font-weight:700;color:#34464e}
.n-nav a:hover{color:var(--n-teal)}
.n-nav__cta{padding:10px 17px;border:1px solid var(--n-line);border-radius:999px}
.n-menu-toggle{
  display:none;border:0;background:transparent;padding:10px;cursor:pointer;
}
.n-menu-toggle span{display:block;width:24px;height:2px;background:var(--n-ink);margin:5px 0}

/* Hero */
.n-hero{
  position:relative;overflow:hidden;
  min-height:760px;
  display:flex;align-items:center;
  background:
    radial-gradient(circle at 78% 22%, rgba(11,122,127,.16), transparent 32%),
    radial-gradient(circle at 88% 72%, rgba(165,106,58,.10), transparent 27%),
    linear-gradient(135deg,#f9fbfa 0%,#eef5f4 48%,#f7f5f1 100%);
}
.n-hero:after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:
    repeating-radial-gradient(ellipse at 85% 35%, transparent 0 18px, rgba(10,37,48,.05) 19px 20px, transparent 21px 38px);
  mask-image:linear-gradient(to left,#000,transparent 68%);
}
.n-hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:center;
  padding:84px 0;
}
.n-hero__kicker{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.72);
  border:1px solid rgba(11,122,127,.14);font-size:.78rem;font-weight:800;color:var(--n-teal);
  text-transform:uppercase;letter-spacing:.1em
}
.n-hero h1{
  margin:22px 0 24px;
  max-width:760px;
  color:var(--n-ink);
  font-size:clamp(3rem,6vw,5.8rem);
  line-height:.94;
  letter-spacing:-.065em;
}
.n-hero h1 span{color:var(--n-teal)}
.n-hero__text{
  max-width:690px;margin:0 0 34px;
  color:#50636b;font-size:clamp(1.08rem,1.8vw,1.3rem)
}
.n-hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.n-hero__secondary{color:var(--n-ink);border:1px solid #cbd8d6;background:rgba(255,255,255,.62)}
.n-hero__secondary:hover{background:#fff}
.n-hero__visual{
  position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;
}
.n-logo-stage{
  position:relative;z-index:2;
  width:min(100%,560px);padding:44px;
  background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.78);
  border-radius:36px;box-shadow:var(--n-shadow);backdrop-filter:blur(16px)
}
.n-logo-stage img{display:block;width:100%}
.n-orbit{
  position:absolute;border:1px solid rgba(11,122,127,.18);border-radius:50%;
}
.n-orbit--1{width:470px;height:470px}
.n-orbit--2{width:590px;height:590px;border-style:dashed;opacity:.55}

/* Proof strip */
.n-proof{background:var(--n-ink);color:#e8f0f1}
.n-proof__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.n-proof__item{
  min-height:102px;display:flex;align-items:center;gap:12px;
  padding:24px;border-right:1px solid rgba(255,255,255,.1)
}
.n-proof__item:last-child{border-right:0}
.n-proof__num{font-weight:900;color:#8ad1d3;font-size:1.2rem}
.n-proof__text{font-size:.9rem;color:#c6d5da}

/* Services */
.n-service-grid{
  margin-top:46px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px
}
.n-card{
  position:relative;overflow:hidden;
  min-height:300px;padding:30px;
  border:1px solid var(--n-line);border-radius:var(--n-radius);background:#fff;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease
}
.n-card:hover{transform:translateY(-6px);box-shadow:0 18px 42px rgba(16,49,61,.09);border-color:#bfd5d3}
.n-card__line{width:46px;height:4px;border-radius:999px;margin-bottom:32px;background:var(--n-teal)}
.n-card:nth-child(2) .n-card__line{background:var(--n-water)}
.n-card:nth-child(3) .n-card__line{background:var(--n-earth)}
.n-card:nth-child(4) .n-card__line{background:var(--n-navy)}
.n-card:nth-child(5) .n-card__line{background:var(--n-forest)}
.n-card:nth-child(6) .n-card__line{background:#6c768c}
.n-card h3{margin:0 0 12px;color:var(--n-ink);font-size:1.35rem;letter-spacing:-.025em}
.n-card p{margin:0 0 20px;color:var(--n-muted);font-size:.96rem}
.n-card ul{margin:0;padding-left:18px;color:#42535a;font-size:.88rem}
.n-card li+li{margin-top:5px}

/* Integrated model */
.n-model{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.n-model__panel{
  position:sticky;top:120px;padding:38px;border-radius:28px;
  background:linear-gradient(145deg,var(--n-navy),var(--n-ink));color:#fff
}
.n-model__panel h3{font-size:2rem;line-height:1.08;margin:12px 0 16px;letter-spacing:-.04em}
.n-model__panel p{color:#c7d5da;margin:0}
.n-model__steps{display:grid;gap:0}
.n-step{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid var(--n-line)}
.n-step:first-child{padding-top:0}.n-step:last-child{border-bottom:0}
.n-step__no{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--n-mist);color:var(--n-teal);font-weight:900
}
.n-step h4{margin:0 0 7px;color:var(--n-ink);font-size:1.14rem}
.n-step p{margin:0;color:var(--n-muted)}

/* Sectors */
.n-sector-grid{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px}
.n-sector{
  padding:13px 17px;border:1px solid var(--n-line);border-radius:999px;
  color:#415158;background:#fff;font-weight:700;font-size:.9rem
}

/* Why */
.n-why-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.n-quote{
  padding:40px;border-left:4px solid #67b9bb;border-radius:0 24px 24px 0;
  background:rgba(255,255,255,.06)
}
.n-quote p{margin:0;color:#eaf2f4;font-size:clamp(1.25rem,2.2vw,1.8rem);line-height:1.45;letter-spacing:-.02em}
.n-points{display:grid;gap:16px}
.n-point{display:grid;grid-template-columns:28px 1fr;gap:14px}
.n-check{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(103,185,187,.15);color:#8bd8da;font-weight:900
}
.n-point h4{margin:0 0 4px;color:#fff}.n-point p{margin:0;color:#b8cbd1;font-size:.92rem}

/* CTA */
.n-cta{
  position:relative;overflow:hidden;padding:64px;border-radius:32px;
  background:linear-gradient(130deg,#0a313b 0%,#0b7378 70%,#3f6250 120%);
  color:#fff;box-shadow:var(--n-shadow)
}
.n-cta:after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  right:-100px;top:-170px;border:1px solid rgba(255,255,255,.17);
  box-shadow:0 0 0 55px rgba(255,255,255,.035),0 0 0 110px rgba(255,255,255,.025)
}
.n-cta__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center}
.n-cta h2{margin:0 0 10px;font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;letter-spacing:-.045em}
.n-cta p{margin:0;color:#d6e6e8;max-width:680px}

/* Footer */
.n-footer{background:#071116;color:#b9c7cc;padding:58px 0 26px}
.n-footer__top{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:50px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.09)}
.n-footer__logo{width:155px;filter:brightness(0) invert(1);opacity:.92}
.n-footer h4{margin:0 0 14px;color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:.1em}
.n-footer p,.n-footer a{font-size:.9rem}
.n-footer a:hover{color:#fff}
.n-footer__bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;font-size:.8rem;color:#788b92}

/* Standard content */
.n-content{width:min(calc(100% - 40px),900px);margin:70px auto 110px}
.n-content h1,.n-content h2,.n-content h3{color:var(--n-ink)}
.n-content a{color:var(--n-teal);text-decoration:underline}

@media (max-width:980px){
  .n-nav{
    display:none;position:absolute;left:20px;right:20px;top:76px;flex-direction:column;align-items:stretch;
    background:#fff;padding:20px;border:1px solid var(--n-line);border-radius:18px;box-shadow:var(--n-shadow)
  }
  .n-nav.is-open{display:flex}
  .n-menu-toggle{display:block}
  .n-hero{min-height:auto}
  .n-hero__grid,.n-model,.n-why-grid,.n-cta__inner{grid-template-columns:1fr}
  .n-hero__visual{min-height:420px}
  .n-service-grid{grid-template-columns:repeat(2,1fr)}
  .n-proof__grid{grid-template-columns:repeat(2,1fr)}
  .n-model__panel{position:relative;top:auto}
  .n-footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .n-wrap{width:min(calc(100% - 28px),var(--n-max))}
  .n-section{padding:74px 0}
  .n-header__inner{min-height:72px}
  .n-brand img{width:118px}
  .n-hero__grid{padding:58px 0;gap:28px}
  .n-hero h1{font-size:clamp(2.6rem,14vw,4rem)}
  .n-hero__visual{min-height:300px}
  .n-logo-stage{padding:24px;border-radius:24px}
  .n-orbit--1{width:300px;height:300px}.n-orbit--2{width:390px;height:390px}
  .n-proof__grid,.n-service-grid{grid-template-columns:1fr}
  .n-proof__item{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
  .n-proof__item:last-child{border-bottom:0}
  .n-cta{padding:38px 28px}
  .n-footer__top{grid-template-columns:1fr}
  .n-footer__bottom{flex-direction:column}
}