/* ===========================================================
   Service Blindex S.A. — estilos
   Paleta derivada del logo (negro grafito + naranja + plata)
   =========================================================== */

:root {
  --ink:        #0E0F11;   /* fondo página */
  --ink-2:      #131519;   /* secciones alternas */
  --panel:      #181B20;   /* tarjetas */
  --panel-2:    #1E2228;
  --steel:      #2A2F37;   /* bordes / divisores */
  --orange:     #E58227;   /* acento (BLINDEX) */
  --orange-deep:#C96A12;
  --orange-soft:#F0A14E;
  --silver:     #D7DBDF;   /* metal claro */
  --text:       #E7E9EB;
  --muted:      #9AA1A8;
  --white:      #F6F7F8;

  --maxw: 1140px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 18px 45px rgba(0,0,0,.45);

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  line-height: 1.08;
  color: var(--white);
}

.accent { color: var(--orange); }

.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--orange);
  margin-bottom: 12px;
}

a { color: inherit; text-decoration: none; }

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  font-size: .92rem;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-wa {
  background: var(--orange);
  color: #1a1205;
  box-shadow: 0 8px 22px rgba(229,130,39,.28);
}
.btn-wa:hover { background: var(--orange-soft); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  border-color: var(--steel);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--white); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14,15,17,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--steel);
}
.nav-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 72px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 42px; width: auto; }
.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav-links a {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-size: .9rem;
  font-weight: 400;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav-links a:hover { color: var(--white); border-color: var(--orange); }
.nav-cta { margin-left: 4px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  margin-left: auto;
  padding: 6px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: var(--silver);
  transition: .25s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--ink-2);
  border-bottom: 1px solid var(--steel);
}
.mobile-menu a {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1.4px;
  padding: 15px 22px;
  border-top: 1px solid var(--steel);
  color: var(--text);
}
.mobile-menu .mobile-wa { color: var(--orange); }
.mobile-menu.open { display: flex; }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 80% -10%, rgba(229,130,39,.14), transparent 60%),
    linear-gradient(180deg, #0B0C0E 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--steel);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
  padding: 84px 22px 88px;
}
.hero-copy h1 {
  font-size: clamp(2.5rem, 6vw, 4.1rem);
  font-weight: 700;
  margin: 6px 0 18px;
}
.hero-lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  list-style: none;
}
.hero-badges li {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: .82rem;
  color: var(--silver);
  padding-left: 22px;
  position: relative;
}
.hero-badges li::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  width: 11px; height: 11px;
  transform: translateY(-50%) rotate(45deg);
  border: 2px solid var(--orange);
}

/* Panel "puerta blindex" — elemento de marca */
.hero-panel { display: flex; justify-content: center; }
.glass-door {
  position: relative;
  width: 230px;
  height: 380px;
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(120,140,160,.12), rgba(30,40,52,.35));
  border: 6px solid;
  border-image: linear-gradient(160deg, #c7ccd2, #6c727a 45%, #c7ccd2) 1;
  box-shadow: var(--shadow), inset 0 0 60px rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
}
.glass-door .handle {
  position: absolute;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  width: 12px; height: 150px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--orange-soft), var(--orange-deep));
  box-shadow: 0 0 18px rgba(229,130,39,.5);
}
.glass-door .glint {
  position: absolute;
  top: 30px; right: 36px;
  width: 3px; height: 120px;
  background: linear-gradient(180deg, rgba(255,255,255,.5), transparent);
  transform: rotate(22deg);
  filter: blur(.4px);
}

/* ===== Secciones genéricas ===== */
.section { padding: 78px 0; }
.section-alt { background: var(--ink-2); border-top: 1px solid var(--steel); border-bottom: 1px solid var(--steel); }
.section-head { max-width: 640px; margin: 0 auto 46px; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.section-head h2::after {
  content: ""; display: block;
  width: 64px; height: 3px;
  background: var(--orange);
  margin: 16px auto 0;
}
.section-sub { color: var(--muted); margin-top: 14px; }

/* ===== Tarjetas servicios ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--orange); }
.card-ico {
  display: inline-flex;
  width: 52px; height: 52px;
  align-items: center; justify-content: center;
  border: 1px solid var(--steel);
  border-radius: 12px;
  margin-bottom: 18px;
  background: rgba(229,130,39,.08);
}
.card-ico svg {
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card h3 { font-size: 1.25rem; margin-bottom: 8px; color: var(--silver); }
.card p { color: var(--muted); font-size: .98rem; }

/* ===== Nosotros ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 50px;
  align-items: center;
}
.about-media { position: relative; }
.about-media img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--steel);
  box-shadow: var(--shadow);
  object-fit: cover;
}
.media-tag {
  position: absolute;
  left: 16px; bottom: 16px;
  background: var(--orange);
  color: #1a1205;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: .8rem;
  padding: 7px 14px;
  border-radius: 6px;
}
.about-copy h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 16px; }
.about-copy > p { color: var(--muted); margin-bottom: 24px; }
.about-copy strong { color: var(--text); }
.feature-list { list-style: none; margin-bottom: 28px; }
.feature-list li {
  position: relative;
  padding: 12px 0 12px 34px;
  border-top: 1px solid var(--steel);
  color: var(--muted);
}
.feature-list li:last-child { border-bottom: 1px solid var(--steel); }
.feature-list li span {
  display: block;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--silver);
  font-size: .95rem;
}
.feature-list li::before {
  content: "";
  position: absolute; left: 4px; top: 18px;
  width: 14px; height: 14px;
  transform: rotate(45deg);
  border: 2px solid var(--orange);
}

/* ===== Cobertura ===== */
.coverage {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.coverage li {
  background: var(--panel);
  border: 1px solid var(--steel);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: .9rem;
  color: var(--silver);
}

/* ===== CTA band ===== */
.cta-band {
  background:
    linear-gradient(120deg, rgba(229,130,39,.16), transparent 55%),
    var(--ink-2);
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
  padding: 56px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-inner h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
.cta-inner p { color: var(--muted); margin-top: 8px; }

/* ===== Footer ===== */
.site-footer { background: #0A0B0D; border-top: 1px solid var(--steel); padding-top: 56px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-logo { height: 54px; width: auto; margin-bottom: 16px; }
.footer-brand p { color: var(--muted); font-size: .95rem; max-width: 320px; }
.footer-col h4 {
  font-size: 1rem;
  color: var(--orange);
  margin-bottom: 16px;
  letter-spacing: 1.5px;
}
.footer-col ul { list-style: none; }
.footer-col li { color: var(--muted); padding: 5px 0; font-size: .95rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--steel);
  padding: 22px 22px;
  font-size: .85rem;
  color: var(--muted);
}
.footer-tag {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--orange);
}

/* ===== Botón flotante WhatsApp ===== */
.wa-float {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 60;
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: #25D366;
  color: #0a3d20;
  box-shadow: 0 10px 28px rgba(37,211,102,.4);
  transition: transform .18s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float::after {
  content: "";
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { transform: scale(.9); opacity: .8; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { opacity: 0; }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; padding: 60px 22px 64px; }
  .hero-panel { order: -1; }
  .glass-door { width: 180px; height: 300px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .section { padding: 58px 0; }
}

/* Accesibilidad: foco visible y motion reducido */
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 3px solid var(--orange-soft);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; transition: none !important; }
}
/* ============================================================
   HERO — animaciones sobrias (reflejo + sombras + entrada)
   ============================================================ */

/* Profundidad y glow en el título */
.hero-copy h1 {
  text-shadow: 0 2px 4px rgba(0,0,0,.55), 0 14px 34px rgba(0,0,0,.5);
}
.hero-copy h1 .accent {
  text-shadow: 0 0 26px rgba(229,130,39,.38), 0 2px 4px rgba(0,0,0,.5);
}

/* La puerta recorta el reflejo */
.glass-door { overflow: hidden; }
.glass-door .handle { z-index: 3; }
.glass-door .glint  { z-index: 2; }

/* Reflejo que barre el vidrio */
.glass-door::before {
  content: "";
  position: absolute;
  top: -20%;
  left: -65%;
  width: 45%;
  height: 140%;
  z-index: 1;
  transform: skewX(-12deg);
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(255,255,255,.05) 30%,
    rgba(255,255,255,.22) 50%,
    rgba(255,255,255,.05) 70%,
    transparent 100%
  );
  animation: doorSheen 7s ease-in-out infinite;
}
@keyframes doorSheen {
  0%   { left: -65%; }
  55%  { left: 155%; }
  100% { left: 155%; }
}

/* Destello fijo del vidrio, brilla al pasar el reflejo */
.glass-door .glint { animation: glintPulse 7s ease-in-out infinite; }
@keyframes glintPulse {
  0%, 45%, 100% { opacity: .35; }
  55%           { opacity: .9; }
}

/* Entrada suave del contenido del hero (sin depender de JS) */
.hero-copy > *            { animation: heroIn .7s ease-out both; }
.hero-copy h1             { animation-delay: .05s; }
.hero-copy .hero-lead     { animation-delay: .15s; }
.hero-copy .hero-actions  { animation-delay: .25s; }
.hero-copy .hero-badges   { animation-delay: .35s; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}