/* ============================================================
   NAYRAX — Monitoreo submarino inteligente
   Proyecto académico ficticio. Estilos principales.
   Paleta: deep #061A2E | ocean #0B4261 | teal #13B8A6
           sky #74D4E8 | white #F7FBFC | dark #15232D
   ============================================================ */

:root {
  --deep: #061a2e;
  --deep-2: #0a2a44;
  --ocean: #0b4261;
  --teal: #13b8a6;
  --teal-dark: #0e9a8a;
  --sky: #74d4e8;
  --white: #f7fbfc;
  --dark: #15232d;
  --muted: #49677f;
  --border: #dce9f0;
  --surface: #ffffff;
  --bg-soft: #eef6fa;
  --shadow: 0 12px 34px rgba(6, 26, 46, 0.10);
  --radius: 16px;
  --container: 1160px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .logo, .btn, .eyebrow {
  font-family: "Sora", "Inter", system-ui, sans-serif;
}

img, svg, video { max-width: 100%; display: block; }
a { color: var(--ocean); text-decoration: none; }
ul { list-style: none; }

.container { width: min(var(--container), 92%); margin-inline: auto; }

/* ---------- Accesibilidad ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--teal);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease,
              background 0.15s ease, color 0.15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 8px 22px rgba(19, 184, 166, 0.35);
}
.btn-primary:hover { background: var(--teal-dark); }

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--teal-dark);
  border-color: var(--teal);
}
.btn-outline:hover { background: rgba(19, 184, 166, 0.08); }

/* ---------- Encabezado (navbar) ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(6, 26, 46, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1;
}
.logo .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-block;
  margin-left: 6px;
  transform: translateY(-2px);
}
.logo .wave-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 2px;
}
.nav-links a:hover { color: var(--sky); }

.nav-cta { padding: 10px 20px; font-size: 0.85rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2.5px;
  background: #fff;
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 150px 0 120px;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 88% -12%, rgba(116, 212, 232, 0.22), transparent 62%),
    radial-gradient(700px 420px at -10% 110%, rgba(11, 66, 97, 0.7), transparent 55%),
    linear-gradient(168deg, var(--deep), var(--deep-2) 55%, var(--ocean));
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(700px 420px at 30% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(700px 420px at 30% 20%, #000, transparent 70%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--sky);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.hero h1 {
  font-size: clamp(2rem, 4.8vw, 3.3rem);
  line-height: 1.12;
  font-weight: 800;
  margin-bottom: 22px;
}
.hero h1 .underline {
  color: var(--sky);
  position: relative;
}
.hero .sub {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-trust {
  margin-top: 40px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }

/* ---------- Hero visual (composición CSS dinámica) ---------- */
.hero-visual { position: relative; }
.dashboard {
  background: linear-gradient(165deg, rgba(11, 66, 97, 0.85), rgba(6, 26, 46, 0.9));
  border: 1px solid rgba(116, 212, 232, 0.25);
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}
.dashboard::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  background: linear-gradient(120deg, rgba(116,212,232,0.10), transparent 45%);
  pointer-events: none;
}
.dash-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.dash-top .title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--sky);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.dash-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(19, 184, 166, 0.16);
  border: 1px solid rgba(19, 184, 166, 0.4);
  padding: 4px 10px;
  border-radius: 999px;
}
.dash-live .pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(19, 184, 166, 0.55); }
  100% { box-shadow: 0 0 0 8px rgba(19, 184, 166, 0); }
}

.glider-stage {
  position: relative;
  background:
    linear-gradient(180deg, rgba(116, 212, 232, 0.12), rgba(11, 66, 97, 0.1)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 34px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 30px 20px 34px;
  text-align: center;
  overflow: hidden;
}
.glider-stage .depth-lines {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}
.glider-stage .depth-lines span {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(116,212,232,0.25) 0 18px, transparent 18px 30px);
}
.glider-stage .depth-lines span:nth-child(1) { top: 22%; }
.glider-stage .depth-lines span:nth-child(2) { top: 47%; }
.glider-stage .depth-lines span:nth-child(3) { top: 72%; }

.glider-svg { width: 240px; max-width: 78%; margin: 0 auto 8px; position: relative; }

.chips {
  display: flex;
  justify-content: space-around;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.chip {
  background: rgba(6, 26, 46, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  min-width: 96px;
}
.chip strong { display: block; font-family: "Sora", sans-serif; font-size: 0.95rem; color: var(--sky); }

.dash-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 14px;
  margin-top: 14px;
}
.mini-card {
  background: rgba(6, 26, 46, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 14px;
}
.mini-card .label { font-size: 0.72rem; color: var(--sky); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; font-weight: 700; }

.spark { display: flex; align-items: flex-end; gap: 4px; height: 46px; }
.spark i {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--teal), var(--ocean));
  opacity: 0.9;
  animation: grow 1.4s ease forwards;
  transform-origin: bottom;
}
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

.grid-mini { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.grid-mini span {
  aspect-ratio: 1;
  border-radius: 5px;
  background: rgba(116, 212, 232, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}
.grid-mini span:nth-child(1)::after,
.grid-mini span:nth-child(4)::after {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px rgba(19, 184, 166, 0.8);
}

.float-note {
  position: absolute;
  top: -18px;
  right: 14px;
  background: var(--white);
  color: var(--ocean);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: "Sora", sans-serif;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: floaty 5s ease-in-out infinite;
}
.float-note small { display: block; font-weight: 500; color: var(--muted); font-family: "Inter", sans-serif; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Olas decorativas */
.waves { position: relative; z-index: 1; margin-top: -2px; }
.waves svg { display: block; width: 100%; height: 90px; }

/* ---------- Secciones generales ---------- */
.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--deep {
  background: linear-gradient(170deg, var(--deep), var(--ocean));
  color: #fff;
}
.section--dark-graphic {
  background: radial-gradient(700px 400px at 90% 0%, rgba(116, 212, 232, 0.14), transparent 60%), var(--deep);
  color: #fff;
}

.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--deep);
}
.section--deep .section-head h2,
.section--dark-graphic .section-head h2 { color: #fff; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.section--deep .section-head p,
.section--dark-graphic .section-head p { color: rgba(255, 255, 255, 0.8); }

/* ---------- Problema ---------- */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(6, 26, 46, 0.14); }
.card .icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(19, 184, 166, 0.15), rgba(116, 212, 232, 0.15));
  color: var(--teal-dark);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.card .icon svg { width: 27px; height: 27px; }
.card h3 { font-size: 1.12rem; color: var(--deep); margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.96rem; }
.card .num {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: rgba(11, 66, 97, 0.14);
  position: absolute;
  top: 18px; right: 22px;
}
.card--relative { position: relative; }

.problem-quote {
  margin-top: 32px;
  text-align: center;
  font-size: 1.06rem;
  color: var(--ocean);
  font-weight: 500;
  max-width: 720px;
  margin-inline: auto;
}

/* ---------- Solución (3 tarjetas) ---------- */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 4px solid var(--teal);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
}
.solution-card .icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--sky));
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(19, 184, 166, 0.3);
}
.solution-card .icon svg { width: 27px; height: 27px; }
.solution-card h3 { font-size: 1.12rem; color: var(--deep); margin-bottom: 8px; }
.solution-card p { color: var(--muted); font-size: 0.96rem; }

/* ---------- Aplicaciones ---------- */
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.app-card .head {
  padding: 22px 22px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.app-card .head .mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--ocean), var(--teal));
  color: #fff;
  display: grid;
  place-items: center;
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.app-card .head h3 { font-size: 1.05rem; color: var(--deep); }
.app-card .body { padding: 16px 22px 24px; }
.app-card .body p { color: var(--muted); font-size: 0.93rem; }
.app-card .tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--teal-dark);
  background: rgba(19, 184, 166, 0.1);
  padding: 4px 10px;
  border-radius: 999px;
}

.app-matrix {
  margin-top: 40px;
  background: var(--deep);
  border-radius: var(--radius);
  padding: 26px 28px;
  color: #fff;
}
.app-matrix h3 { font-size: 1.05rem; margin-bottom: 14px; color: var(--sky); }
.app-matrix ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.app-matrix li { font-size: 0.92rem; color: rgba(255,255,255,0.85); display: flex; gap: 10px; align-items: baseline; }
.app-matrix li::before { content: "›"; color: var(--teal); font-weight: 800; }

/* ---------- Servicios ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.service-card:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-3px); }
.service-card .num {
  font-family: "Sora", sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--teal);
  margin-bottom: 12px;
  display: block;
}
.service-card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(19, 184, 166, 0.16);
  color: var(--sky);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.service-card .icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.05rem; color: #fff; margin-bottom: 8px; }
.service-card p { font-size: 0.92rem; color: rgba(255, 255, 255, 0.78); }

/* ---------- Cómo funciona ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 18px; right: 22px;
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 2rem;
  color: rgba(19, 184, 166, 0.16);
}
.step .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--teal), var(--ocean));
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.step .icon svg { width: 24px; height: 24px; }
.step h3 { font-size: 1.05rem; color: var(--deep); margin-bottom: 8px; }
.step p { font-size: 0.92rem; color: var(--muted); }

/* ---------- Caso de uso ---------- */
.use-case {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-width: 880px;
  margin: 0 auto;
}
.use-case .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(19, 184, 166, 0.12);
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.use-case .body { padding: 34px 36px; }
.use-case .body h3 { font-size: 1.3rem; color: var(--deep); margin-bottom: 12px; }
.use-case .body > p { color: var(--muted); margin-bottom: 24px; }
.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.flow .f-step {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  position: relative;
  font-size: 0.92rem;
  color: var(--dark);
}
.flow .f-step strong { display: block; color: var(--ocean); margin-bottom: 6px; font-size: 0.9rem; }
.flow .arrow { color: var(--teal); font-weight: 800; align-self: center; display: none; }
.use-case .note {
  background: #fff8ec;
  border: 1px dashed #e8c37a;
  color: #8a6420;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 0.86rem;
  margin-top: 20px;
}

/* ---------- Video ---------- */
.video-block {
  max-width: 860px;
  margin: 0 auto;
  background: linear-gradient(165deg, var(--deep-2), var(--ocean));
  border: 1px solid rgba(116, 212, 232, 0.25);
  border-radius: 22px;
  padding: 56px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.video-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(116,212,232,0.06) 0 2px, transparent 2px 120px),
                    repeating-linear-gradient(0deg, rgba(116,212,232,0.06) 0 2px, transparent 2px 120px);
}
.video-block h2 {
  position: relative;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: #fff;
  margin-bottom: 12px;
}
.video-block > p {
  position: relative;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  max-width: 560px;
  margin-inline: auto;
}
.play-btn {
  position: relative;
  width: 84px; height: 84px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--sky));
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px rgba(19, 184, 166, 0.45);
  transition: transform 0.2s ease;
}
.play-btn:hover { transform: scale(1.06); }
.play-btn svg { width: 30px; height: 30px; fill: #06203a; margin-left: 4px; }
.video-hint {
  position: relative;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}
.video-embed {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #000;
  display: none;
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-embed video { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Métricas ---------- */
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 980px; margin: 0 auto; }
.metric {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-align: center;
}
.metric .tag-metric {
  font-family: "Sora", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sky);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  display: inline-block;
  background: rgba(116, 212, 232, 0.12);
  padding: 5px 12px;
  border-radius: 999px;
}
.metric h3 { color: #fff; font-size: 1.12rem; margin-bottom: 8px; }
.metric p { color: rgba(255, 255, 255, 0.78); font-size: 0.92rem; }
.metric .code {
  margin-top: 14px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.74rem;
  color: var(--teal);
  background: rgba(6, 26, 46, 0.6);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px dashed rgba(116, 212, 232, 0.3);
  display: inline-block;
}

/* ---------- Formulario ---------- */
.lead-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.lead-copy h2 { color: #fff; }
.lead-copy > p { color: rgba(255, 255, 255, 0.8); margin-bottom: 24px; font-size: 1.03rem; }
.lead-list { display: grid; gap: 16px; }
.lead-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.98rem;
}
.lead-list .check {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--teal);
  color: #06203a;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.75rem;
  margin-top: 3px;
}

.lead-form {
  background: var(--surface);
  border-radius: 20px;
  padding: 32px 30px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.lead-form h3 { font-size: 1.25rem; color: var(--deep); margin-bottom: 6px; }
.lead-form > p { font-size: 0.92rem; color: var(--muted); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--deep);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--teal-dark); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-group textarea { resize: vertical; min-height: 84px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(19, 184, 166, 0.16);
}
.form-group .error-msg { color: #c5412c; font-size: 0.8rem; margin-top: 5px; display: none; }
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: #c5412c; }

.lead-form .btn { width: 100%; font-size: 1rem; margin-top: 6px; }
.form-note { text-align: center; font-size: 0.8rem; color: var(--muted); margin-top: 14px; }

.form-success { display: none; text-align: center; padding: 30px 10px; }
.form-success.show { display: block; }
.form-success .ok-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(19, 184, 166, 0.14);
  color: var(--teal-dark);
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  font-weight: 800;
}
.form-success h4 { font-size: 1.2rem; color: var(--deep); margin-bottom: 8px; }
.form-success p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--deep); color: rgba(255, 255, 255, 0.78); padding: 64px 0 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer .logo { margin-bottom: 16px; font-size: 1.15rem; }
.footer-tag { font-size: 0.95rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 0.92rem; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a, .footer-col li { color: rgba(255, 255, 255, 0.75); font-size: 0.92rem; }
.footer-col a:hover { color: var(--sky); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer-disclaimer { color: var(--sky); font-weight: 500; }

/* ---------- Animación de aparición ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-note, .dash-live .pulse { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .lead-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--deep);
    padding: 20px 4%;
    gap: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transform: none;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 4px; width: 100%; }
  .nav-cta { margin-top: 14px; width: 100%; }
  .nav-toggle { display: block; }

  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 120px 0 92px; }
  .hero-visual { max-width: 540px; margin-inline: auto; }

  .problem-grid, .solution-grid, .metrics { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 560px) {
  .section { padding: 72px 0; }
  .app-grid, .services-grid, .steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .app-matrix ul { grid-template-columns: 1fr; }
  .hero-trust { gap: 14px; }
  .dash-row { grid-template-columns: 1fr; }
}

/* Nayrax v2 — tecnología oceánica, superficies claras y controles explorables. */
[hidden]{display:none!important}
.btn{border-radius:12px;color:var(--deep)}
.btn-outline-light{color:#e2f6fa}
.btn-outline{color:var(--teal-dark)}
.btn-primary{box-shadow:0 6px 20px #13b8a620;background:#39d4bf}
.btn-primary:hover{background:#72ebd9}
.nav-links .btn-primary{color:#061a2e}
.hero h1{font-size:clamp(2.6rem,5.3vw,4.15rem);letter-spacing:-.065em;font-weight:600;max-width:640px}
.hero .sub{color:#adcbdc;font-size:1.04rem;line-height:1.8}
.hero h1 .underline{color:#64e7d6}
.hero-grid{grid-template-columns:1.04fr 1fr;gap:44px}
.hero-trust{font-size:.78rem;gap:16px;color:#7fa9c1}
.hero{background:radial-gradient(ellipse at 85% 30%,#175f7177,transparent 60%),linear-gradient(120deg,#061a2e,#082f4b);padding-bottom:85px}
.dashboard{padding:23px;border-radius:26px;box-shadow:0 25px 70px #00142650}
.glider-product{position:relative;z-index:2;width:100%;height:260px;object-fit:contain;animation:product-float 7s ease-in-out infinite;filter:drop-shadow(0 15px 20px #00132233)}
.glider-stage{padding:12px 8px 20px;border:0;background:radial-gradient(ellipse,#44dec519,transparent 70%)}
.chips{flex-wrap:nowrap;gap:7px}
.chip{min-width:0;flex:1;padding:10px 8px;font-size:.65rem}
.chip strong{font-size:.85rem;color:#94e2e8}
.float-note{top:-24px;right:4px;font-size:.7rem;background:#eefcfa}
.dash-row{display:none}
.section-head h2{font-weight:600;letter-spacing:-.05em;font-size:clamp(2rem,3.5vw,2.85rem)}
.section-head p{font-size:1rem}
.card,.solution-card,.app-card,.service-card{border-radius:20px;transition:transform .25s,box-shadow .25s,border-color .25s}
.app-card.selected{border-color:#13b8a6;box-shadow:0 12px 40px #13b8a61a}
.application-select{display:block;color:#0b8e83;background:#13b8a60e;border:1px solid #13b8a624;padding:10px 12px;border-radius:9px;font:inherit;font-size:.78rem;font-weight:600;margin-top:18px;width:100%;cursor:pointer;text-align:left}
.service-more{color:#76e4db;background:transparent;border:0;font:inherit;font-size:.82rem;padding:12px 0 0;cursor:pointer}
.service-extra{padding-top:15px;border-top:1px solid #ffffff20;margin-top:16px;font-size:.86rem!important}
.product-gallery{padding:25px 35px;background:linear-gradient(130deg,#e6f4f5,#daeaf1);border:1px solid #d2e6ec;border-radius:24px;margin-bottom:38px}
.gallery-head{display:flex;align-items:center;justify-content:space-between;gap:20px}
.gallery-head>div{display:flex;gap:5px}
.gallery-choice{border:0;background:transparent;color:#5b7c90;font:inherit;font-size:.77rem;padding:11px 14px;border-radius:10px;cursor:pointer}
.gallery-choice.active{background:white;color:#0b4261;box-shadow:0 3px 15px #061a2e09}
#gallery-image{height:330px;object-fit:contain;width:100%;margin:12px 0}
#gallery-description{text-align:center;color:#5e7f92;font-size:.84rem}
.demo-pill{font-size:.66rem;letter-spacing:.08em;color:#108779;background:#13b8a60d;border:1px solid #13b8a624;padding:5px 9px;border-radius:50px;display:inline-block}
.explorer{display:grid;grid-template-columns:320px 1fr;border:1px solid #d6e6ed;border-radius:25px;overflow:hidden;box-shadow:0 12px 40px #061a2e06}
.explorer-controls{background:white;padding:30px}
.explorer-controls h3{font-size:1.2rem;margin:22px 0 27px;letter-spacing:-.035em}
.explorer-controls label,.explorer-controls legend{display:block;color:#496b80;font-size:.8rem;margin-bottom:9px;font-weight:500}
.explorer-controls select{font:inherit;font-size:.86rem;width:100%;padding:12px;background:#f5f9fb;border:1px solid #d8e7ee;border-radius:10px;color:var(--dark);margin-bottom:26px}
.explorer-controls fieldset{border:0;margin:0;padding:0}
.variable-buttons{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:27px}
.variable-choice{background:#f2f7f9;border:1px solid transparent;color:#507589;font:inherit;font-size:.69rem;padding:9px 8px;border-radius:8px;cursor:pointer}
.variable-choice.active{background:#13b8a615;color:#087c73;border-color:#13b8a642}
.explorer-controls output{float:right;color:#0b9d8f}
.explorer-controls input[type=range]{width:100%;accent-color:#13b8a6;cursor:pointer;padding:0}
.range-labels{display:flex;justify-content:space-between;font-size:.68rem;color:#89a2b0;margin-top:3px}
.demo-note{font-size:.73rem;color:#829ba9;border-top:1px solid #dce9f0;padding-top:20px;margin-top:24px}
.explorer-display{padding:30px 35px;background:radial-gradient(ellipse at top right,#154f6266,transparent 70%),#061a2e;color:white;min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.explorer-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.65rem;letter-spacing:.08em;color:#7faec4}
.explorer-top .demo-pill{color:#aad7dd;background:#ffffff08;border-color:#ffffff16;font-size:.6rem;letter-spacing:0}
.reading-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:27px}
.reading-row>div>span{font-size:.66rem;letter-spacing:.1em;color:#72a2bb}
.reading-row strong{display:block;font-family:Sora,sans-serif;font-size:3.8rem;font-weight:500;letter-spacing:-.07em;color:#d5f7f7;line-height:1.25;margin-top:8px}
.reading-row strong small{font-size:1.1rem;letter-spacing:0;color:#75a6bb}
.zone-label{text-align:right}
.zone-label>span{font-size:.83rem!important;color:#bad9e7!important;letter-spacing:0!important}
.zone-label small{display:block;color:#6d9aaf;font-size:.68rem;margin-top:6px}
.ocean-chart{width:100%;margin-top:20px}
.chart-grid path{stroke:#a2d0e214;fill:none}
.chart-axis{display:flex;justify-content:space-between;color:#678da3;font-size:.64rem}
.explorer-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:20px;margin-top:23px;border-top:1px solid #ffffff13;color:#7aa2b7;font-size:.69rem}
.explorer-bottom button{border:0;background:none;color:#64e7d6;font:inherit;font-size:.76rem;cursor:pointer}
.video-shell{display:flex;flex-direction:column;gap:20px;cursor:default;min-height:260px}
.video-model{width:min(850px,100%);height:180px;object-fit:contain;pointer-events:none}
.lead-form .form-note{font-size:.76rem}
.contact-whatsapp{margin-top:28px}
.contact-number{font-size:.9rem!important;margin-top:12px!important;color:#a6c9d9!important}
.request-preview{font:inherit;font-size:.88rem;text-align:left;white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f6f8;padding:18px;border:1px solid #d7e6ed;border-radius:12px;color:#17415b;margin:22px 0}
.consent-label,.analytics-choice{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;line-height:1.6;margin:22px 0;color:#6e8d9f}
.consent-label input,.analytics-choice input{width:18px;height:18px;flex-shrink:0;accent-color:#13b8a6;margin-top:3px;padding:0}
.consent-label a{color:#087c73;text-decoration:underline}
.server-error{background:#fff0f0;color:#982f37;padding:13px;border-radius:10px;font-size:.9rem;margin-bottom:15px}
.honeypot{position:absolute;left:-9999px;opacity:0;pointer-events:none}
button:disabled{opacity:.6;cursor:wait}
.privacy-details{border-top:1px solid #ffffff20;margin-top:24px;padding:22px 0;color:#95b5c8;font-size:.9rem;line-height:1.8}
.privacy-details summary{cursor:pointer;color:#d5eaf4;list-style-position:inside}
.privacy-details p{margin-top:15px;max-width:850px}
.analytics-choice{color:#95b5c8;margin:0 0 25px;max-width:850px}
.form-success .btn{display:inline-flex;justify-content:center;width:100%}
.form-success .btn{margin-top:20px}
.metric .code{font-size:.78rem;white-space:normal}
.metrics{align-items:stretch}
.motion-enter{animation:enter .6s ease both}
@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes product-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(max-width:1000px){.hero-grid{gap:28px}.nav-links{gap:17px}.explorer{grid-template-columns:290px 1fr}.explorer-controls{padding:25px}.explorer-display{padding:28px}}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero h1{max-width:660px}.hero-visual{width:100%;max-width:600px}.explorer{grid-template-columns:1fr}.reading-row{margin-top:35px}.glider-product{height:300px}.hero{padding-bottom:55px}}
@media(max-width:560px){.hero{padding-top:120px}.hero h1{font-size:2.6rem}.hero .sub{font-size:.95rem}.float-note{font-size:.66rem}.glider-product{height:225px}.dashboard{padding:18px}.hero-trust{font-size:.73rem}.gallery-head{flex-direction:column;align-items:start}.product-gallery{padding:22px}#gallery-image{height:230px}.gallery-choice{font-size:.73rem;padding:9px 10px}.reading-row strong{font-size:3rem}.reading-row strong small{font-size:.85rem}.zone-label>span{font-size:.74rem!important}.zone-label small{font-size:.6rem}.explorer-display{padding:24px 20px}.explorer-controls{padding:25px}.explorer-bottom{font-size:.6rem}.explorer-bottom button{font-size:.66rem}.video-model{height:120px}.video-shell .btn{font-size:.8rem;width:100%}.gallery-head .demo-pill{font-size:.62rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}