/* ============================================================
   ARANDA JRA — style.css
   Gasista matriculado + servicio técnico. Paleta azul marino +
   naranja llama. Gas destacado. Mobile-first.
   ============================================================ */

:root{
  --bg:#08152e;
  --bg-2:#0a1f44;
  --surface:#0e2650;
  --surface-2:#12305f;
  --line:rgba(120,170,230,.16);
  --navy:#0a1f44;
  --flame:#f26a1b;
  --flame-2:#f9a11b;
  --amber:#f6a821;
  --ice:#4aa3e0;
  --ice-2:#7fc4f0;
  --text:#eef4fb;
  --muted:#a9bcd6;
  --muted-2:#7d92b4;
  --radius:16px;
  --wrap:1180px;
  --head:'Montserrat',system-ui,sans-serif;
  --sans:'Inter',system-ui,sans-serif;
  --shadow:0 24px 55px -24px rgba(0,0,0,.7);
  --flame-grad:linear-gradient(135deg,var(--flame-2),var(--flame));
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html.fx{scroll-behavior:auto}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(18px,4vw,40px)}

body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 560px at 12% -5%,rgba(242,106,27,.18),transparent 60%),
    radial-gradient(900px 700px at 100% 8%,rgba(74,163,224,.14),transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
}

/* =================== LOGO SVG =================== */
.brand-logo{display:block}
.brand-logo svg{width:100%;height:100%;display:block}
.bl-ring{fill:#fff;stroke:var(--navy);stroke-width:3}
.bl-sun{fill:var(--amber)}
.bl-rays path{stroke:var(--amber);stroke-width:3.4;stroke-linecap:round}
.bl-wave path{stroke:var(--ice);stroke-width:5;fill:none;stroke-linecap:round}
.bl-wave path:last-child{stroke:#2f74b5}

/* =================== BOTONES =================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--head);font-weight:700;font-size:.95rem;padding:.85em 1.5em;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s,color .25s;line-height:1;letter-spacing:.01em}
.btn-lg{padding:1.05em 1.9em;font-size:1rem}
.btn-flame{background:var(--flame-grad);color:#2a1402;box-shadow:0 12px 30px -10px rgba(242,106,27,.6)}
.btn-flame:hover{transform:translateY(-3px);box-shadow:0 18px 42px -12px rgba(242,106,27,.75)}
.btn-outline{background:rgba(238,244,251,.04);color:var(--text);border-color:rgba(127,196,240,.35)}
.btn-outline:hover{border-color:var(--flame-2);color:var(--flame-2);transform:translateY(-3px)}

/* =================== NAV =================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,backdrop-filter .3s,box-shadow .3s;padding:.6rem 0}
.nav.scrolled{background:rgba(8,21,46,.85);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand .brand-logo{width:44px;height:44px;flex:0 0 auto}
.brand-name{font-family:var(--head);font-weight:800;font-size:1.25rem;line-height:1;letter-spacing:.01em}
.brand-sub{display:block;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--flame-2);margin-top:.3rem;font-weight:600}
.nav-links{display:none;gap:1.7rem}
.nav-links a{font-family:var(--head);font-size:.9rem;font-weight:600;color:var(--muted);position:relative;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--flame-grad);transition:width .25s;border-radius:2px}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:none}
.burger{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--text);transition:.3s;border-radius:2px}
.nav-mobile{position:fixed;top:0;right:0;height:100dvh;width:min(82vw,330px);z-index:99;background:var(--bg-2);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;gap:.3rem;padding:5.5rem 1.6rem 2rem}
.nav-mobile.open{transform:translateX(0)}
.nav-mobile a{font-family:var(--head);padding:.85rem .4rem;color:var(--muted);font-size:1.02rem;font-weight:600;border-bottom:1px solid rgba(127,196,240,.08)}
.nav-mobile a:hover{color:var(--text)}
.nav-mobile .m-cta{margin-top:1.2rem;justify-content:center;border-bottom:0;color:#2a1402}

/* =================== HERO =================== */
.hero{position:relative;min-height:100dvh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-video{width:100%;height:100%;object-fit:cover}
.hero-embers{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.mode-lite .hero-embers{display:none}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(8,21,46,.62) 0%,rgba(8,21,46,.42) 40%,rgba(8,21,46,.88) 100%),
  linear-gradient(90deg,rgba(8,21,46,.88) 0%,rgba(8,21,46,.4) 55%,transparent 100%),
  radial-gradient(120% 90% at 82% 30%,rgba(242,106,27,.22),transparent 55%)}
.hero-in{position:relative;z-index:2;padding-top:6rem;padding-bottom:5rem;max-width:780px}
.hero-seal{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;color:var(--navy);background:var(--flame-grad);padding:.5em .9em;border-radius:8px;margin-bottom:1.4rem;box-shadow:0 8px 24px -10px rgba(242,106,27,.6)}
.hero-seal svg{width:16px;height:16px;fill:var(--navy)}
.hero-title{font-family:var(--head);font-weight:900;line-height:.98;letter-spacing:-.01em;font-size:clamp(2.7rem,8.5vw,5.4rem);margin-bottom:.6rem;text-transform:uppercase}
.flame-text{background:linear-gradient(120deg,#ffd27a,var(--flame-2) 45%,var(--flame));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-tagline{font-family:var(--head);font-size:clamp(1.2rem,3.6vw,2rem);color:var(--text);font-weight:700;margin-bottom:1.1rem}
.hero-sub{font-size:clamp(1rem,2.4vw,1.13rem);color:var(--muted);max-width:60ch;margin-bottom:2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:2rem}
.hero-chips{list-style:none;display:flex;flex-wrap:wrap;gap:.7rem}
.hero-chips li{font-family:var(--head);font-size:.82rem;font-weight:600;color:var(--ice-2);background:rgba(74,163,224,.1);border:1px solid var(--line);padding:.5em .9em;border-radius:999px}
.hero-scroll{position:absolute;bottom:1.8rem;left:50%;transform:translateX(-50%);z-index:2;width:26px;height:42px;border:1.5px solid rgba(238,244,251,.4);border-radius:14px;display:grid;justify-items:center}
.hero-scroll span{width:3px;height:8px;border-radius:2px;background:var(--flame-2);margin-top:7px;animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(-4px)}40%{opacity:1}80%{opacity:0;transform:translateY(10px)}}

/* =================== SECCIONES GENÉRICAS =================== */
.section{padding:clamp(4rem,8vw,6.5rem) 0;position:relative}
.eyebrow{font-family:var(--head);text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;font-weight:700;color:var(--flame-2);margin-bottom:.8rem}
.eyebrow.center{text-align:center}
.sec-head{max-width:640px;margin-bottom:2.6rem}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{font-family:var(--head);font-weight:800;line-height:1.05;font-size:clamp(1.9rem,5vw,3rem);letter-spacing:-.01em}
.sec-title.center{text-align:center}
.sec-desc{color:var(--muted);font-size:1.04rem;margin-top:.9rem;max-width:62ch}
.sec-desc.center{margin-left:auto;margin-right:auto;text-align:center}

/* =================== GAS (DESTACADO) =================== */
.gas{position:relative;padding:clamp(4.5rem,9vw,7.5rem) 0;
  background:
    radial-gradient(90% 120% at 100% 0%,rgba(242,106,27,.16),transparent 55%),
    linear-gradient(180deg,rgba(242,106,27,.05),rgba(10,31,68,.5))}
.gas::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--flame-grad)}
.gas-head{max-width:720px;margin-bottom:2.8rem}
.gas-badge{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--head);font-weight:800;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;color:var(--navy);background:var(--flame-grad);padding:.5em 1em;border-radius:999px;margin-bottom:1.1rem;box-shadow:0 10px 26px -10px rgba(242,106,27,.6)}
.gas-badge svg{width:16px;height:16px;fill:var(--navy)}
.gas-title{font-family:var(--head);font-weight:900;text-transform:uppercase;line-height:1;font-size:clamp(2.2rem,6vw,3.8rem);letter-spacing:-.01em}
.gas-title span{display:block;-webkit-text-fill-color:transparent;background:linear-gradient(120deg,#ffd27a,var(--flame-2),var(--flame));-webkit-background-clip:text;background-clip:text}
.gas-desc{color:var(--muted);font-size:1.08rem;margin-top:1rem;max-width:60ch}

.gas-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:2.4rem}
.gcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.55rem;transition:transform .3s,border-color .3s,box-shadow .3s;position:relative;overflow:hidden}
.gcard::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--flame-grad);transform:scaleY(0);transform-origin:top;transition:transform .3s}
.gcard:hover{transform:translateY(-5px);border-color:rgba(242,106,27,.4);box-shadow:var(--shadow)}
.gcard:hover::after{transform:scaleY(1)}
.gicon{font-size:1.7rem;line-height:1}
.gcard h3{font-family:var(--head);font-size:1.2rem;font-weight:700}
.gcard p{color:var(--muted);font-size:.95rem}

.gas-cta{display:grid;grid-template-columns:1fr;gap:0;background:var(--navy);border:1px solid rgba(242,106,27,.28);border-radius:20px;overflow:hidden}
.gas-cta-img{aspect-ratio:16/10;overflow:hidden}
.gas-cta-img img{width:100%;height:100%;object-fit:cover}
.gas-cta-in{padding:clamp(1.8rem,4vw,2.6rem);display:flex;flex-direction:column;gap:.7rem;justify-content:center}
.gas-cta-in h3{font-family:var(--head);font-size:clamp(1.4rem,3.5vw,1.9rem);font-weight:800}
.gas-cta-in p{color:var(--muted)}
.gas-cta-in .btn{align-self:flex-start;margin-top:.5rem}

/* =================== SERVICIO TÉCNICO =================== */
.serv-grid{display:grid;grid-template-columns:1fr;gap:1.2rem}
.scard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;display:flex;flex-direction:column}
.scard:hover{transform:translateY(-5px);border-color:rgba(74,163,224,.4);box-shadow:var(--shadow)}
.scard-img{aspect-ratio:16/10;overflow:hidden}
.scard-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.scard:hover .scard-img img{transform:scale(1.06)}
.scard-in{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.5rem}
.scard-in h3{font-family:var(--head);font-size:1.18rem;font-weight:700}
.scard-in p{color:var(--muted);font-size:.94rem}
.scard-cta{justify-content:center;background:linear-gradient(140deg,var(--surface-2),var(--surface));border-style:dashed;border-color:rgba(74,163,224,.35)}
.scard-cta .btn{align-self:flex-start;margin-top:.6rem}

/* =================== POR QUÉ =================== */
.porque{background:linear-gradient(180deg,transparent,rgba(74,163,224,.07),transparent)}
.why-grid{display:grid;grid-template-columns:1fr;gap:1.1rem}
.why{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.4rem;transition:transform .3s,border-color .3s}
.why:hover{transform:translateY(-5px);border-color:rgba(242,106,27,.4)}
.why-ic{font-size:2rem;display:block;margin-bottom:.7rem}
.why h3{font-family:var(--head);font-size:1.15rem;font-weight:700;margin-bottom:.4rem}
.why p{color:var(--muted);font-size:.93rem}

/* =================== CONTACTO =================== */
.contacto-in{display:grid;grid-template-columns:1fr;gap:2.4rem}
.phone-cta{display:inline-flex;align-items:center;gap:1rem;background:var(--flame-grad);color:var(--navy);padding:1rem 1.4rem;border-radius:14px;margin-top:1.8rem;box-shadow:0 14px 34px -12px rgba(242,106,27,.6);transition:transform .25s}
.phone-cta:hover{transform:translateY(-3px)}
.phone-ic{width:44px;height:44px;flex:0 0 auto;background:rgba(255,255,255,.25);border-radius:50%;display:grid;place-items:center}
.phone-ic svg{width:26px;height:26px;fill:var(--navy)}
.phone-cta small{display:block;font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.68rem;opacity:.8}
.phone-cta strong{font-family:var(--head);font-size:1.55rem;font-weight:900;line-height:1}
.fb-link{display:inline-flex;align-items:center;gap:.6rem;margin-top:1.3rem;color:var(--ice-2);font-weight:600;font-size:.95rem;transition:color .2s}
.fb-link svg{width:22px;height:22px;fill:var(--ice)}
.fb-link:hover{color:var(--text)}
.contacto-facts{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.contacto-facts li{background:var(--surface);padding:1.3rem;display:flex;flex-direction:column;gap:.3rem}
.contacto-facts span{font-family:var(--head);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--flame-2);font-weight:700}
.contacto-facts strong{font-size:1.02rem;font-weight:600}

/* =================== FOOTER =================== */
.footer{border-top:1px solid var(--line);padding:3rem 0 2rem;margin-top:1rem;background:var(--bg-2)}
.foot-in{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:flex-start;padding-bottom:2rem;border-bottom:1px solid var(--line)}
.foot-brand{display:flex;gap:.9rem;align-items:center;max-width:380px}
.foot-brand .brand-logo{width:48px;height:48px;flex:0 0 auto}
.foot-brand strong{font-family:var(--head);font-size:1.2rem;font-weight:800}
.foot-brand p{color:var(--muted);font-size:.9rem;margin-top:.25rem}
.foot-links{display:flex;flex-wrap:wrap;gap:1.2rem}
.foot-links a{font-family:var(--head);color:var(--muted);font-size:.9rem;font-weight:600;transition:color .2s}
.foot-links a:hover{color:var(--flame-2)}
.foot-bot{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;padding-top:1.5rem;font-size:.82rem;color:var(--muted-2)}
.foot-by a{color:var(--flame-2);font-weight:600}

/* =================== WHATSAPP FLOAT =================== */
.wa-float{position:fixed;bottom:1.3rem;right:1.3rem;z-index:90;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 30px -6px rgba(37,211,102,.6);transition:transform .25s}
.wa-float svg{width:32px;height:32px;fill:#fff}
.wa-float:hover{transform:scale(1.08)}

/* =================== REVEAL =================== */
.anim [data-reveal]{opacity:0;transform:translateY(28px)}

/* =================== BREAKPOINTS =================== */
@media(min-width:640px){
  .gas-grid{grid-template-columns:1fr 1fr}
  .serv-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:768px){
  .gas-cta{grid-template-columns:1fr 1fr}
  .gas-cta-img{aspect-ratio:auto}
  .contacto-in{grid-template-columns:1.05fr .95fr;align-items:center}
}
@media(min-width:900px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
  .gas-grid{grid-template-columns:repeat(3,1fr)}
  .serv-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:repeat(4,1fr)}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .anim [data-reveal]{opacity:1!important;transform:none!important}
}