/* ===========================================================
   NEXITY - estilos principales
   Paleta tomada del logotipo: naranja #F37E1E + navy #262E39
   =========================================================== */

:root {
  --orange: #f37e1e;
  --orange-2: #ff9a47;
  --orange-deep: #d96a0f;
  --ink: #12151d;
  --ink-2: #1a1e29;
  --ink-3: #222736;
  --slate: #262e39;
  --text: #edeff4;
  --muted: #98a1b3;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --glow: rgba(243, 126, 30, 0.55);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 26px 60px -28px rgba(0, 0, 0, 0.85);
  --maxw: 1200px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Sora", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--text);
  background: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* fondo con textura sutil y aura naranja */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 78% -8%, rgba(243, 126, 30, 0.16), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, rgba(38, 46, 57, 0.65), transparent 55%),
    var(--ink);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.4;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}

h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--orange); color: #1a1209; }

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

.section { padding: clamp(70px, 9vw, 130px) 0; position: relative; }

/* eyebrow / etiqueta de sección */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  padding: 7px 14px;
  border: 1px solid rgba(243, 126, 30, 0.3);
  border-radius: 999px;
  background: rgba(243, 126, 30, 0.06);
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px var(--glow);
}

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  margin-top: 18px;
}
.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 16px;
}
.grad-text {
  background: linear-gradient(100deg, var(--orange) 10%, var(--orange-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- botones ---------- */
.btn-nx {
  --b: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.3s ease, background 0.3s ease;
  white-space: nowrap;
}
.btn-primary-nx {
  background: linear-gradient(100deg, var(--orange), var(--orange-deep));
  color: #fff;
  box-shadow: 0 14px 34px -12px var(--glow);
}
.btn-primary-nx:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 44px -12px var(--glow);
  color: #fff;
}
.btn-ghost-nx {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost-nx:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
  color: #fff;
}
.btn-nx i { font-size: 1.15rem; }

/* =================== NAVBAR =================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.35s ease, border-color 0.35s ease, padding 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
  padding: 16px 0;
}
.nav.scrolled {
  background: rgba(18, 21, 29, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
  padding: 10px 0;
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand img { height: 36px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--muted);
  position: relative;
  transition: color 0.25s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  width: 44px; height: 44px;
  border-radius: 12px;
  font-size: 1.3rem;
  cursor: pointer;
}

/* =================== HERO =================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 110px;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.95;
}
.hero .wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.hero-copy { max-width: 640px; }
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  font-weight: 700;
  margin: 24px 0 22px;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero p.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-meta {
  margin-top: 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.hero-meta .k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--text);
}
.hero-meta .l { font-size: 0.82rem; color: var(--muted); }
.hero-visual { position: relative; height: 100%; min-height: 360px; }

/* franja API WhatsApp dentro del hero */
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.28);
  color: #b8f3cf;
  padding: 9px 16px 9px 12px;
  border-radius: 999px;
  font-size: 0.86rem;
}
.hero-pill .wa {
  display: grid; place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: #25d366;
  color: #0a3d1f;
  font-size: 0.95rem;
}
.hero-pill b { color: #eafff2; font-weight: 600; }

/* =================== MARQUEE confianza =================== */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
  overflow: hidden;
  padding: 22px 0;
}
.strip-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: slide 32s linear infinite;
}
.strip:hover .strip-track { animation-play-state: paused; }
.strip-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 1rem;
  white-space: nowrap;
}
.strip-item i { color: var(--orange); font-size: 1.2rem; }
@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =================== SERVICIOS =================== */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.svc-card {
  position: relative;
  background: linear-gradient(180deg, rgba(34, 39, 54, 0.7), rgba(26, 30, 41, 0.55));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.svc-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(243, 126, 30, 0.16), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.svc-card:hover {
  border-color: rgba(243, 126, 30, 0.4);
  box-shadow: var(--shadow);
}
.svc-card:hover::before { opacity: 1; }
.svc-ic {
  display: grid;
  place-items: center;
  width: 60px; height: 60px;
  border-radius: 16px;
  background: linear-gradient(150deg, rgba(243, 126, 30, 0.2), rgba(243, 126, 30, 0.05));
  border: 1px solid rgba(243, 126, 30, 0.28);
  color: var(--orange);
  font-size: 1.7rem;
  margin-bottom: 22px;
  transition: transform 0.3s ease;
}
.svc-card:hover .svc-ic { transform: translateZ(30px) scale(1.05); }
.svc-card h3 { font-size: 1.28rem; margin-bottom: 12px; }
.svc-card p { color: var(--muted); font-size: 0.97rem; margin: 0; }
.svc-tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 7px; }
.svc-tags span {
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
}

/* =================== TECNOLOGIAS =================== */
.tech-wrap { position: relative; }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.tech-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  aspect-ratio: 1 / 1;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.tech-chip:hover {
  transform: translateY(-6px);
  border-color: rgba(243, 126, 30, 0.45);
  background: rgba(243, 126, 30, 0.06);
}
.tech-ic {
  display: grid;
  place-items: center;
  width: 64px; height: 64px;
  border-radius: 15px;
  background: linear-gradient(160deg, #ffffff, #eef1f6);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5), 0 8px 18px -10px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s ease;
}
.tech-chip:hover .tech-ic { transform: scale(1.06); }
.tech-ic img {
  width: 40px; height: 40px;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.tech-chip:hover .tech-ic img { transform: scale(1.06); }
.tech-chip span {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

/* =================== POR QUE NEXITY (stats + texto) =================== */
.why {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.why-copy h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
.why-copy p { color: var(--muted); margin-top: 18px; }
.why-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.why-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--text); font-size: 0.98rem; }
.why-list i { color: var(--orange); margin-top: 3px; font-size: 1.1rem; }
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat {
  background: linear-gradient(180deg, rgba(34, 39, 54, 0.6), rgba(26, 30, 41, 0.4));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.stat .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: var(--text);
  line-height: 1;
}
.stat .num .grad-text { display: inline; }
.stat .lab { color: var(--muted); font-size: 0.9rem; margin-top: 10px; }

/* =================== CTA band =================== */
.cta-band {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  padding: clamp(40px, 6vw, 70px);
  background: linear-gradient(120deg, var(--ink-3), var(--slate));
  border: 1px solid var(--line-strong);
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 50% -20%, rgba(243, 126, 30, 0.28), transparent 60%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.9rem); }
.cta-band p { color: var(--muted); max-width: 560px; margin: 16px auto 30px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* =================== FOOTER =================== */
.footer {
  border-top: 1px solid var(--line);
  background: rgba(18, 21, 29, 0.6);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
}
.footer .brand img { height: 38px; margin-bottom: 18px; }
.footer p.f-about { color: var(--muted); font-size: 0.95rem; max-width: 320px; }
.footer h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 18px;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer ul a, .footer .f-contact li { color: var(--muted); font-size: 0.95rem; transition: color 0.25s ease; }
.footer ul a:hover { color: var(--text); }
.f-contact li { display: flex; align-items: center; gap: 12px; }
.f-contact i { color: var(--orange); width: 20px; text-align: center; }
.footer-bottom {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.88rem;
}
.f-social { display: flex; gap: 12px; }
.f-social a {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: all 0.25s ease;
}
.f-social a:hover { color: #fff; border-color: var(--orange); background: rgba(243, 126, 30, 0.1); transform: translateY(-3px); }

/* =================== WhatsApp FAB + back to top =================== */
.wa-fab {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 0;
  background: #25d366;
  color: #08321a;
  border-radius: 999px;
  padding: 0;
  height: 60px;
  width: 60px;
  overflow: hidden;
  box-shadow: 0 16px 36px -10px rgba(37, 211, 102, 0.6);
  transition: width 0.35s ease, transform 0.25s ease;
}
.wa-fab i { font-size: 1.9rem; min-width: 60px; text-align: center; }
.wa-fab .wa-label { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; white-space: nowrap; opacity: 0; transition: opacity 0.3s ease; padding-right: 6px; }
.wa-fab:hover { width: 200px; transform: translateY(-3px); color: #08321a; }
.wa-fab:hover .wa-label { opacity: 1; }
.wa-fab::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border: 2px solid #25d366;
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.7; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { opacity: 0; }
}
.to-top {
  position: fixed;
  right: 26px; bottom: 96px;
  z-index: 899;
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: rgba(34, 39, 54, 0.9);
  border: 1px solid var(--line-strong);
  color: var(--text);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.3s ease;
}
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { border-color: var(--orange); color: var(--orange); }

/* =================== reveal animaciones =================== */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }
.reveal[data-d="5"] { transition-delay: 0.4s; }

/* =================== responsive =================== */
@media (max-width: 992px) {
  .hero { min-height: auto; padding-top: 130px; padding-bottom: 60px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  #hero-canvas { opacity: 0.55; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .why { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta .btn-nx { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 70px; left: 14px; right: 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    background: rgba(18, 21, 29, 0.97);
    backdrop-filter: blur(16px);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
  }
  .svc-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-meta { gap: 22px; }
}
@media (max-width: 420px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

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