/* ===== N3 Oil Well Technologies — brand system ===== */
:root{
  --navy:#0E2A47;
  --navy-2:#123A63;
  --blue:#1E6C8C;
  --green:#2FA65C;
  --green-2:#37B36A;
  --grad:linear-gradient(120deg,#0E2A47 0%,#134B72 52%,#2FA65C 100%);
  --grad-soft:linear-gradient(120deg,#123A63 0%,#2FA65C 100%);
  --ink:#0F1E2E;
  --body:#47586A;
  --muted:#7A8896;
  --line:#E4EBF1;
  --bg:#FFFFFF;
  --bg-alt:#F4F8FB;
  --shadow:0 10px 30px rgba(14,42,71,.08);
  --shadow-lg:0 20px 50px rgba(14,42,71,.14);
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Manrope',-apple-system,'Segoe UI',sans-serif;color:var(--ink);line-height:1.2;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Manrope',sans-serif;font-weight:700;font-size:15px;padding:13px 24px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn--primary{background:var(--grad-soft);color:#fff;box-shadow:0 8px 20px rgba(47,166,92,.25)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(47,166,92,.35)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--sm{padding:10px 20px;font-size:14px;background:var(--navy-2);color:#fff}
.btn--sm:hover{background:var(--green)}
.btn--full{width:100%}

/* ===== Topbar ===== */
.topbar{background:var(--navy);color:rgba(255,255,255,.82);font-size:13.5px}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:40px}
.topbar__right{display:flex;gap:22px}
.topbar__item{color:rgba(255,255,255,.82);transition:.2s}
.topbar__item:hover{color:#fff}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:.25s}
.header.scrolled{box-shadow:0 6px 20px rgba(14,42,71,.08)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:46px;height:46px}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__text strong{font-family:'Manrope',sans-serif;font-weight:800;font-size:19px;color:var(--navy-2);letter-spacing:.2px;line-height:1.05}
.brand__text small{font-size:10.5px;letter-spacing:2px;color:var(--muted);font-weight:600;margin-top:2px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-family:'Manrope',sans-serif;font-weight:600;font-size:15px;color:var(--ink);transition:.2s}
.nav a:not(.btn):hover{color:var(--green)}
.nav a.btn--sm{color:#fff}
.nav a.btn--sm:hover{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:2.5px;background:var(--navy-2);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--grad)}
.hero__bg{position:absolute;inset:0;opacity:.5;
  background-image:
    radial-gradient(circle at 82% 18%,rgba(55,179,106,.5),transparent 42%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='104' viewBox='0 0 120 104'%3E%3Cpath fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='.16' d='M30 2 90 2 120 54 90 106 30 106 0 54Z'/%3E%3C/svg%3E");
  background-size:auto,140px 121px}
.hero__inner{position:relative;padding:96px 24px 40px;max-width:900px}
.hero__eyebrow{font-family:'Manrope',sans-serif;font-weight:700;font-size:14px;letter-spacing:2px;text-transform:uppercase;color:#8ff0bd;margin-bottom:20px}
.hero__title{font-size:clamp(34px,5.2vw,58px);font-weight:800;color:#fff;max-width:16ch}
.hero__lead{font-size:clamp(17px,2vw,20px);color:rgba(255,255,255,.9);margin-top:22px;max-width:60ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16);border-top:1px solid rgba(255,255,255,.16);margin-top:56px}
.mini{background:transparent;padding:26px 24px;display:flex;flex-direction:column;gap:6px}
.mini__k{font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase;color:#8ff0bd;font-weight:700;font-family:'Manrope',sans-serif}
.mini__v{font-size:15.5px;color:#fff;font-weight:500}

/* ===== Sections ===== */
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--navy);color:rgba(255,255,255,.86)}
.section__head{max-width:720px;margin-bottom:52px}
.section__head--light .h2{color:#fff}
.eyebrow{font-family:'Manrope',sans-serif;font-weight:700;font-size:13.5px;letter-spacing:2px;text-transform:uppercase;color:var(--green);margin-bottom:14px}
.eyebrow--light{color:#8ff0bd}
.h2{font-size:clamp(27px,3.4vw,40px);font-weight:800}
.h2--light{color:#fff}
.section__sub{font-size:18px;margin-top:14px;color:var(--body)}
.section--dark .section__sub{color:rgba(255,255,255,.75)}
.lead{font-size:18.5px;color:var(--ink);font-weight:500;margin-bottom:16px}

/* ===== Grid-2 / Nosotros ===== */
.grid-2{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.mission{margin-top:28px;padding:24px 26px;background:var(--bg-alt);border-left:4px solid var(--green);border-radius:0 var(--r) var(--r) 0}
.mission h3{font-size:16px;color:var(--navy-2);margin-bottom:6px}
.panel-figure{display:flex;justify-content:center}
.hex-figure{width:100%;max-width:380px;aspect-ratio:1;display:grid;place-items:center;background:var(--grad);border-radius:28px;box-shadow:var(--shadow-lg);padding:40px}
.hex-figure img{background:#fff;border-radius:22px;padding:26px;box-shadow:0 12px 30px rgba(10,32,56,.25);width:100%;height:100%;object-fit:contain}

/* ===== Cards ===== */
.cards{display:grid;gap:24px}
.cards-2{grid-template-columns:repeat(2,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.card__ico{width:52px;height:52px;border-radius:12px;display:grid;place-items:center;background:var(--grad-soft);color:#fff;margin-bottom:18px}
.card__ico svg{width:26px;height:26px}
.card h3{font-size:18.5px;margin-bottom:9px}
.card p{font-size:15px}
.card--svc{border-top:3px solid transparent;background-clip:padding-box}
.card--svc:hover{border-top-color:var(--green)}
.section--alt .card{background:#fff}

/* ===== Feature (capacidades) ===== */
.feature{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:start;padding:44px 0;border-top:1px solid rgba(255,255,255,.12)}
.feature--rev{grid-template-columns:1fr}
.feature:first-of-type{border-top:0}
.feature__body h3{color:#fff;font-size:24px;margin-bottom:14px}
.feature__body p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:18px}
.ticks{list-style:none;display:grid;gap:11px}
.ticks li{position:relative;padding-left:30px;color:rgba(255,255,255,.86);font-size:15.5px}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--green);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/13px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/13px no-repeat;background-color:var(--green-2)}
.ticks--2col{grid-template-columns:1fr 1fr;gap:16px 30px}
.ticks--2col li strong{color:#fff}
.tech{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:24px}
.tech__tag{display:inline-block;font-family:'Manrope',sans-serif;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:#8ff0bd;font-weight:700;margin-bottom:16px}
.tech__item{padding:14px 0;border-top:1px solid rgba(255,255,255,.1)}
.tech__item strong{display:block;color:#fff;font-size:15.5px}
.tech__item span{font-size:13.5px;color:rgba(255,255,255,.65)}
.triple{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:8px}
.triple h4{color:#8ff0bd;font-size:16px;margin-bottom:8px}
.triple p{font-size:14.5px;color:rgba(255,255,255,.75);margin:0}
.flowline{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px;padding:18px 22px;background:rgba(47,166,92,.12);border:1px solid rgba(47,166,92,.35);border-radius:12px}
.flowline span{font-family:'Manrope',sans-serif;font-weight:600;color:#fff;font-size:14.5px}
.flowline i{color:var(--green-2);font-style:normal;font-weight:800}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px}
.step__n{font-family:'Manrope',sans-serif;font-weight:800;font-size:34px;background:var(--grad-soft);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:block;margin-bottom:10px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px}

/* ===== Projects ===== */
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 30px;position:relative;overflow:hidden;transition:.25s}
.proj::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-soft)}
.proj:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.proj h3{font-size:19px;margin-bottom:10px;padding-left:8px}
.proj p{font-size:15px;padding-left:8px}
.track__cols .track__col h3{font-size:19px;color:var(--navy-2);margin-bottom:16px}
.section .track .ticks li{color:var(--body)}
.section .track .ticks li::before{background-color:var(--green)}

/* ===== CTA ===== */
.cta{background:var(--grad);color:#fff;padding:80px 0}
.cta__inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta__lead{color:rgba(255,255,255,.88);font-size:17px;margin:16px 0 26px;max-width:48ch}
.contact-list{list-style:none;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:12px;color:#fff;font-size:15.5px}
.contact-list li a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35)}
.contact-list svg{width:20px;height:20px;flex:none;color:#8ff0bd}
.cta__form{background:#fff;border-radius:18px;padding:32px;box-shadow:var(--shadow-lg)}
.field{margin-bottom:16px}
.field label{display:block;font-family:'Manrope',sans-serif;font-weight:600;font-size:13.5px;color:var(--ink);margin-bottom:6px}
.field input,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:15px;color:var(--ink);transition:.2s;background:#fff}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(47,166,92,.14)}
.field textarea{resize:vertical}

/* ===== Footer ===== */
.footer{background:#0A2038;color:rgba(255,255,255,.7)}
.footer__inner{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:44px 24px;flex-wrap:wrap}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__mark{width:52px;height:52px;background:#fff;border-radius:12px;padding:6px}
.footer__brand strong{color:#fff;font-family:'Manrope',sans-serif;font-size:17px}
.footer__brand p{font-size:13.5px;margin-top:2px}
.footer__nav{display:flex;gap:26px;flex-wrap:wrap}
.footer__nav a{font-size:15px;transition:.2s}
.footer__nav a:hover{color:#8ff0bd}
.footer__bar{border-top:1px solid rgba(255,255,255,.1)}
.footer__barin{display:flex;justify-content:space-between;gap:16px;padding:18px 24px;font-size:13px;flex-wrap:wrap}

/* ===== Responsive ===== */
@media(max-width:900px){
  .nav{position:fixed;inset:116px 0 auto 0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 0;transform:translateY(-140%);transition:.3s;box-shadow:var(--shadow)}
  .nav.open{transform:translateY(0)}
  .nav a{width:100%;padding:14px 24px}
  .nav .btn--sm{margin:10px 24px;width:calc(100% - 48px)}
  .nav-toggle{display:flex}
  .topbar{display:none}
  .grid-2,.cta__inner{grid-template-columns:1fr;gap:36px}
  .cards-3,.cards-4,.steps,.hero__stats{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr;gap:28px}
  .triple{grid-template-columns:1fr}
  .ticks--2col{grid-template-columns:1fr}
  .panel-figure{order:-1}
  .section{padding:64px 0}
}
@media(max-width:560px){
  .cards-2,.cards-3,.cards-4,.steps,.hero__stats{grid-template-columns:1fr}
  .hero__inner{padding-top:64px}
  .footer__inner{flex-direction:column;align-items:flex-start}
}