/* =====================================================
   TECNIGAS - ESTILOS PRINCIPALES
   Página web profesional para servicios de gas natural
===================================================== */

:root {
  --blue: #071f55;
  --blue-2: #063250;
  --green: #168a22;
  --green-light: #e9faeb;
  --dark: #07183d;
  --muted: #667085;
  --soft: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(7, 31, 85, 0.14);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body{
    font-family:"Plus Jakarta Sans", Arial, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(1180px, 88%); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 20px; top: 20px; z-index: 100; background: #fff; padding: 10px; }

/* TOPBAR */
.topbar {
  min-height: 38px;
  background: var(--blue);
  color: #fff;
  display: flex;
  justify-content: center;
  gap: 34px;
  align-items: center;
  font-size: 14px;
}
.topbar i { color: #43d150; margin-right: 7px; }

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6%;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 62px; }
.brand strong { display: block; color: var(--blue); font-size: 28px; line-height: 1; font-weight: 900; }
.brand span { display: block; color: var(--green); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; color: var(--blue); font-weight: 900; text-transform: uppercase; font-size: 12px; }
.nav a:hover { color: var(--green); }
.nav-cta { background: var(--green); color: #fff !important; padding: 12px 18px; border-radius: 10px; box-shadow: 0 14px 25px rgba(22,138,34,0.28); }
.menu-toggle { display: none; border: 0; background: var(--green); color: #fff; border-radius: 10px; padding: 12px 14px; font-size: 18px; }

/* BOTONES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 900;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn.primary { background: var(--green); color: #fff; box-shadow: 0 16px 26px rgba(22,138,34,0.28); }
.btn.secondary { color: var(--blue); background: #fff; border-color: var(--blue); }
.btn.full { width: 100%; border: 0; }

/* HERO */
.hero {
  position: relative;
  min-height: 690px;
  overflow: hidden;
  background: linear-gradient(110deg, #fff 0%, #fff 57%, var(--blue) 57%, var(--blue-2) 100%);
}
.hero-bg-shape {
  position: absolute;
  right: -12%;
  top: -20%;
  width: 58%;
  height: 140%;
  background: radial-gradient(circle at 50% 35%, rgba(22,138,34,0.32), transparent 34%);
}
.hero-grid{
    position:relative;
    z-index:1;
    min-height:720px;
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:80px;
    align-items:center;
}
.eyebrow { display: inline-block; color: var(--green); font-weight: 900; text-transform: uppercase; font-size: 13px; letter-spacing: .7px; }
h1, h2, h3, p { margin-top: 0; }
h1{
    font-family: "Manrope", sans-serif;
    color: var(--blue);
    font-size: clamp(50px, 5.5vw, 66px);
    line-height: 1.22;
    letter-spacing: -1px;
    font-weight: 800;
    margin: 22px 0 36px;
    max-width: 720px;
}
h2{
    font-family: "Sora", sans-serif;
    font-weight: 700;
}
p { line-height: 1.65; color: inherit; }
.hero-copy p{
    font-size:21px;
    line-height:1.8;
    color:#53637d;
    max-width:620px;
}
.hero-checks { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0; }
.hero-checks span { background: var(--green-light); color: var(--blue); border-radius: 999px; padding: 9px 14px; font-weight: 800; }
.hero-checks i { color: var(--green); }
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 28px 0;
}

.hero-actions .btn {
    padding:20px 36px;
    font-size:17px;
    border-radius:14px;
}
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 570px; }
.hero-stats article{
    background:#fff;
    border-radius:18px;
    padding:22px;
    box-shadow:0 18px 35px rgba(7,31,85,.12);
}
.hero-stats strong { color: var(--green); display: block; font-size: 24px; }
.hero-stats span { font-size: 12px; font-weight: 800; }
.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.technician-card{
    position: relative;
    z-index: 2;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: 34px;
    padding: 46px;
    max-width: 460px;
    box-shadow: 0 35px 90px rgba(7,31,85,.18);
    overflow: hidden;

    transform: translateY(-12px);
}
.technician-card::before{
    content:"";
    position:absolute;
    top:-90px;
    right:-90px;
    width:180px;
    height:180px;
    border-radius:50%;
    background:rgba(22,138,34,.08);
}

.technician-card::after{
    content:"";
    position:absolute;
    bottom:-70px;
    left:-70px;
    width:150px;
    height:150px;
    border-radius:50%;
    background:rgba(7,31,85,.05);
}
.technician-card h2{
    text-align:left;
    font-size:40px;
    line-height:1.1;
    margin-bottom:18px;
}
.technician-card strong{
    display:block;
    margin-top:20px;
    color:var(--green);
    font-size:42px;
    font-weight:800;
}
.technician-card p {
    font-size: 18px;
    line-height: 1.7;
    color: #55637d;
    margin-bottom: 24px;
}
.flame-icon{
    width:74px;
    height:74px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#eaf9ed;
    color:var(--green);
    border-radius:22px;
    font-size:34px;
    margin-bottom:24px;
}
.visual-panel { position: absolute; inset: 0; opacity: .34; }
.pipe { position: absolute; background: linear-gradient(90deg, #d98b3f, #ffcc6a, #b96d28); border-radius: 999px; }
.pipe-one { width: 78%; height: 26px; right: 0; top: 22%; transform: rotate(18deg); }
.pipe-two { width: 60%; height: 26px; right: 14%; bottom: 22%; transform: rotate(-22deg); }
.gauge, .burner { position: absolute; color: #fff; font-size: 92px; }
.gauge { right: 8%; top: 35%; }
.burner { left: 10%; bottom: 14%; color: #44d156; }

/* CONFIANZA */
.trust-strip { background: var(--soft); padding: 28px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust-grid article { background: #fff; padding: 26px 20px; border-radius: 18px; text-align: center; box-shadow: 0 12px 30px rgba(7,31,85,0.08); transition: .25s; }
.trust-grid article:hover { transform: translateY(-6px); }
.trust-grid i { display: block; color: var(--green); font-size: 30px; margin-bottom: 12px; }
.trust-grid span { color: var(--blue); text-transform: uppercase; font-size: 13px; font-weight: 900; }

/* SECCIONES */
.section { padding: 88px 0; }
.soft { background: var(--soft); }
.section-heading { text-align: center; max-width: 760px; margin: 0 auto 42px; }
.section-heading p { color: var(--muted); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  min-height: 240px;
  background: #fff;
  border: 1px solid #edf1f7;
  border-radius: 26px;
  padding: 38px;
  box-shadow: 0 14px 35px rgba(7,31,85,.08);
  transition: .3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 55px rgba(7,31,85,.14);
  border-color: rgba(22,138,34,.25);
}

.service-card i {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ecedec;
    border-radius: 20px;
    color: var(--green);
    font-size: 34px;
    margin-bottom: 24px;
}

.service-card h3 {
    color: var(--blue);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}

.service-card p {
    color: #5f6c87;
    font-size: 16px;
    line-height: 1.8;
}

/* NOSOTROS */
.about { padding: 84px 0; background: var(--soft); }
.about-grid { display: grid; grid-template-columns: 1fr 0.95fr; gap: 28px; align-items: stretch; }
.about-copy, .mission-card { border-radius: var(--radius); padding: 42px; box-shadow: var(--shadow); }
.about-copy { background: #fff; }
.mission-card { background: linear-gradient(140deg, var(--blue), var(--blue-2)); color: #fff; }
.mission-card h3 { color: #7ee287; }
.mission-card p { color: #fff; }

/* PROCESO */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.process-card { background: #fff; border-radius: var(--radius); padding: 32px 24px; text-align: center; box-shadow: 0 12px 34px rgba(7,31,85,0.07); }
.process-card b { width: 52px; height: 52px; display: grid; place-items: center; margin: 0 auto 20px; border-radius: 50%; background: var(--green); color: #fff; font-size: 22px; }
.process-card h3 { color: var(--blue); }
.process-card p { color: #39425f; }

/* COTIZADOR */
.quote-section { padding: 88px 0; background: linear-gradient(140deg, var(--blue), var(--blue-2)); color: #fff; }
.quote-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: center; }
.quote-copy h2 { color: #fff; }
.quote-copy p { color: rgba(255,255,255,0.84); font-size: 18px; }
.quote-form { background: #fff; color: var(--blue); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.quote-form label { display: block; font-weight: 900; margin: 16px 0 8px; }
.quote-form input, .quote-form select { width: 100%; border: 1px solid #d8e0ed; border-radius: 12px; padding: 15px 14px; font: inherit; color: var(--dark); outline: none; }
.quote-form input:focus, .quote-form select:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(22,138,34,0.12); }

/* GALERÍA */

.gallery-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:28px;
    margin-top:40px;
}

.gallery-item{
    overflow:hidden;
    border-radius:24px;
    background:#fff;
    box-shadow:0 18px 45px rgba(7,31,85,.12);
    transition:.35s ease;
    cursor:pointer;
}

.gallery-item img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    display:block;
    transition:.5s;
}

.gallery-item:hover{
    transform:translateY(-10px);
    box-shadow:0 28px 60px rgba(7,31,85,.18);
}

.gallery-item:hover img{
    transform:scale(1.08);
}

/* FAQ */
.narrow { max-width: 850px; }
.faq-list button { width: 100%; border: 0; background: #fff; margin-top: 12px; padding: 20px 22px; border-radius: 14px; box-shadow: 0 10px 25px rgba(7,31,85,0.08); font-weight: 900; color: var(--blue); display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.faq-list p { display: none; margin: 0; padding: 18px 22px; color: var(--muted); }
.faq-list p.open { display: block; }

/* CONTACTO */
.contact { padding: 86px 0; background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.contact-card { background: var(--soft); color: var(--blue); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.contact-card p { font-weight: 800; }
.contact-card i { color: var(--green); margin-right: 8px; }

/* FOOTER */

.footer{
    background: linear-gradient(140deg, var(--blue), var(--blue-2));
    color: #fff;
    padding: 70px 0 0;
}

.footer-grid{
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 42px;
}

.footer-brand img{
    width: 76px;
    margin-bottom: 16px;
}

.footer-brand strong{
    display: block;
    font-size: 28px;
    font-weight: 800;
}

.footer-brand span{
    display: block;
    color: #7ee287;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.footer h3{
    color: #fff;
    font-size: 20px;
    margin-bottom: 18px;
}

.footer a,
.footer p{
    display: block;
    color: rgba(255,255,255,.78);
    text-decoration: none;
    margin: 10px 0;
    line-height: 1.6;
}

.footer a:hover{
    color: #fff;
}

.footer i{
    color: #42d663;
    margin-right: 8px;
}

.footer-whatsapp{
    margin-top: 18px !important;
    background: var(--green);
    color: #fff !important;
    padding: 14px 18px;
    border-radius: 14px;
    font-weight: 800;
    text-align: center;
    box-shadow: 0 14px 30px rgba(22,138,34,.28);
}

.footer-bottom{
    margin-top: 50px;
    padding: 20px 7%;
    text-align: center;
    background: rgba(0,0,0,.18);
    color: rgba(255,255,255,.75);
    font-size: 14px;
}

@media(max-width:900px){
    .footer-grid{
        grid-template-columns: 1fr;
    }
}

/* WHATSAPP */
.whatsapp-float { position: fixed; right: 28px; bottom: 26px; width: 66px; height: 66px; border-radius: 50%; background: #19a51f; color: #fff; display: grid; place-items: center; font-size: 36px; text-decoration: none; box-shadow: 0 14px 28px rgba(0,0,0,0.25); z-index: 60; animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.06); } 100% { transform: scale(1); } }

/* ANIMACIONES */
.reveal { opacity: 0; transform: translateY(24px); transition: .75s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 980px) {
  .topbar { display: none; }
  .header { padding: 0 5%; }
  .menu-toggle { display: inline-flex; }
  .nav { position: absolute; top: 86px; left: 0; right: 0; background: #fff; padding: 24px 5%; flex-direction: column; align-items: flex-start; box-shadow: var(--shadow); display: none; }
  .nav.open { display: flex; }
  .hero { background: #fff; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 55px 0; }
  .hero-visual { min-height: auto; }
  .visual-panel { display: none; }
  .hero-stats, .trust-grid, .services-grid, .process-grid, .about-grid, .quote-grid, .gallery-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .container { width: 90%; }
  .brand img { width: 54px; }
  .brand strong { font-size: 22px; }
  .brand span { font-size: 10px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .hero-stats { grid-template-columns: 1fr; }
  .technician-card, .about-copy, .mission-card, .quote-form, .contact-card { padding: 26px; }
  .whatsapp-float { width: 58px; height: 58px; font-size: 31px; right: 18px; bottom: 18px; }
}