@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700;800&family=Open+Sans:wght@400;500;600&display=swap');

:root {
  --negro: #050508;
  --blanco: #f0f0f8;
  --gris-texto: #a0a0c0;
  --azul-acento: #2d63ff;
  --font-display: "Orbitron", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-body: "Open Sans", "Inter", "Segoe UI", system-ui, sans-serif;
  --max-w: 1100px;
  --pad-x: max(4vw, calc((100vw - var(--max-w)) / 2));
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: #060b16;
  color: var(--blanco);
  font-family: var(--font-body);
  line-height: 1.7;
  padding-top: 4.75rem;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--negro); }
::-webkit-scrollbar-thumb {
  background-color: #ffffff;
  border-radius: 80px;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.botones {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.85rem var(--pad-x);
  background: rgba(5, 8, 16, 0.88);
  border-bottom: 1px solid rgba(45, 99, 255, 0.18);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
}

.botones a,
.botones button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.4rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(45, 99, 255, 0.22);
  background: rgba(240, 240, 248, 0.06);
  color: var(--blanco);
  font: 700 0.75rem/1 var(--font-display);
  letter-spacing: 0.04em;
  cursor: pointer;
}

.botones a:hover,
.botones button:hover {
  background: rgba(45, 99, 255, 0.22);
  border-color: rgba(45, 99, 255, 0.5);
}

/* Botón "Volver Arriba": misma píldora que el resto, con flecha + texto */
#btnVolverArriba {
  width: auto;
  padding: 0.55rem 1rem;
}

#btnVolverArriba::before {
  content: "↑";
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1;
}

/* ─── TIPOGRAFÍA GENERAL ─────────────────────────────────────────── */

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 1rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

h3 {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  font-weight: 700;
  color: var(--azul-acento);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

p {
  color: rgba(223, 232, 250, 0.76);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

ol, ul {
  padding-left: 1.4rem;
  color: rgba(223, 232, 250, 0.76);
  font-size: 1rem;
  line-height: 1.8;
}

li { margin-bottom: 0.35rem; }

/* ─── HERO ───────────────────────────────────────────────────────── */

.presentacion {
  position: relative;
  width: 100%;
  padding: 6rem var(--pad-x) 3rem;
  text-align: center;
  background:
    radial-gradient(circle at 50% 40%, rgba(59, 121, 255, 0.52), rgba(17, 60, 156, 0.18) 34%, transparent 58%),
    linear-gradient(180deg, #08101f 0%, #0d1d43 45%, #050810 100%);
}

.presentacion h1 {
  font-size: clamp(4rem, 9vw, 7.2rem);
  line-height: 0.98;
  margin-bottom: 1.1rem;
  text-shadow: 0 18px 70px rgba(60, 125, 255, 0.38);
}

.presentacion h2 {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  font-family: var(--font-body);
  font-weight: 400;
  color: rgba(220, 230, 252, 0.72);
}

.pitch-y-comitente {
  width: 100%;
  margin: 0 auto;
  padding: 3rem var(--pad-x) 3.5rem;
  text-align: center;
  background: #050810;
}

.pitch-y-comitente h3 {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
}

.pitch-y-comitente p {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.pitch-y-comitente p:last-child {
  margin-bottom: 0;
}

/* ─── CONTENIDO DIRECTO EN BODY (elevator pitch, problemática, etc.) */

.problematica,
.objetivos {
  width: min(calc(100% - 2rem), var(--max-w));
  max-width: var(--max-w);
  margin: 0 auto 2.5rem;
  padding: 2rem 2.2rem;
  border-radius: 18px;
  border: 1px solid rgba(45, 99, 255, 0.14);
  background: rgba(10, 16, 36, 0.58);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.26);
}

.problematica {
  margin-top: 4rem;
}

.problematica h2,
.objetivos h2 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  text-align: left;
}

.problematica ol,
.objetivos ol {
  max-width: none;
  text-align: left;
}

.nuestra-propuesta {
  width: min(calc(100% - 2rem), 920px);
  max-width: 920px;
  margin: 3rem auto;
  padding: 3rem 2.4rem;
  text-align: center;
}

.nuestra-propuesta h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.nuestra-propuesta p {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

body > p,
body > ol,
body > ul {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

body > h1:not(:first-child) {
  width: min(calc(100% - 2rem), var(--max-w));
  max-width: none;
  margin-left: auto;
  margin-right: auto;
  padding: 4rem 0 0.5rem;
  text-align: center;
}

body > h2:not(:first-child) {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding: 2rem var(--pad-x) 0.25rem;
  text-align: center;
}

body > h3:not(:first-of-type) {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding: 0.5rem var(--pad-x) 0;
  text-align: center;
}

body > p {
  text-align: center;
}

body > ol,
body > ul {
  text-align: left;
  max-width: var(--max-w);
}

body > ol {
  padding-top: 0.5rem;
  padding-bottom: 1.5rem;
}

/* ─── PERSONA CARDS ──────────────────────────────────────────────── */

.persona-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(160px, 0.45fr) 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
  width: min(calc(100% - 2rem), var(--max-w));
  max-width: var(--max-w);
  margin: 3rem auto;
  padding: 2.5rem 2.5rem;
  border-radius: 20px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 40%, rgba(45, 99, 255, 0.18), transparent 55%),
    linear-gradient(180deg, #0a1226 0%, #060b18 100%);
  border: 1px solid rgba(45, 99, 255, 0.14);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.38);
}

.persona-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(114, 161, 255, 0.08) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.22;
  pointer-events: none;
}

.persona-card__foto {
  position: relative;
  z-index: 1;
}

.persona-card__foto img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: 50% 20%;
  border-radius: 14px;
  border: 1px solid rgba(45, 99, 255, 0.2);
  filter: brightness(0.82) saturate(0.85) contrast(1.06);
}

.persona-card__info {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.persona-card__title h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.2rem;
  text-align: left;
}

.persona-card__title p {
  color: var(--gris-texto);
  font-size: 0.88rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0;
  text-align: left;
}

.persona-card__bloque h3 {
  text-align: left;
  margin-bottom: 0.5rem;
}

.persona-card__bloque p,
.persona-card__bloque ul {
  color: rgba(223, 232, 250, 0.76);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 0;
  text-align: left;
}

.persona-card__bloque ul { padding-left: 1.25rem; }
.persona-card__bloque li { margin-bottom: 0.3rem; }

/* ─── BENCHMARK ──────────────────────────────────────────────────── */

.benchmark {
  position: relative;
  padding: 5rem var(--pad-x);
  background:
    radial-gradient(ellipse at 60% 30%, rgba(45, 99, 255, 0.22), transparent 52%),
    linear-gradient(180deg, #020409 0%, #050914 55%, #020309 100%);
  overflow: hidden;
}

.benchmark::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(80, 137, 255, 0.1) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.2;
  mask-image: linear-gradient(90deg, transparent, #000 16%, #000 88%, transparent);
  pointer-events: none;
}

.benchmark__titulo {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto 3rem;
  text-align: center;
}

.benchmark__titulo h1 {
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  margin-bottom: 0.75rem;
}

.benchmark__titulo p {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(223, 232, 250, 0.72);
}

/* Card de cada app */
.blablacar,
.uber {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto 2.5rem;
  padding: 2rem 2.2rem;
  border-radius: 18px;
  border: 1px solid rgba(45, 99, 255, 0.14);
  background: rgba(10, 16, 36, 0.7);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.blablacar h2,
.uber h2 {
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  margin-bottom: 0.5rem;
}

.blablacar img,
.uber img {
  border-radius: 10px;
  margin-bottom: 1rem;
}

.blablacar > p,
.uber > p {
  color: rgba(223, 232, 250, 0.72);
  font-size: 0.97rem;
  margin-bottom: 1.5rem;
  max-width: 720px;
}

.benchmark-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.benchmark-col h3 {
  text-align: left;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.benchmark-col ul {
  font-size: 0.94rem;
  color: rgba(223, 232, 250, 0.72);
  padding-left: 1.2rem;
  line-height: 1.7;
}

.blablacar > h3,
.uber > h3 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  text-align: left;
}

.blablacar > ul,
.uber > ul {
  font-size: 0.94rem;
  color: rgba(223, 232, 250, 0.72);
  padding-left: 1.4rem;
  margin-bottom: 1rem;
}

/* ─── WIREFRAME ──────────────────────────────────────────────────── */

.wireframe {
  padding: 5rem var(--pad-x);
  background:
    radial-gradient(ellipse at 50% 20%, rgba(45, 99, 255, 0.2), transparent 55%),
    linear-gradient(180deg, #06080f 0%, #0b1528 50%, #04070d 100%);
}

.wireframe__titulo {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.wireframe__titulo h1 {
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  margin-bottom: 0.6rem;
}

.wireframe__titulo p {
  max-width: 620px;
  margin: 0 auto 2rem;
  color: rgba(223, 232, 250, 0.72);
}

.wireframe__titulo iframe {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid rgba(45, 99, 255, 0.22) !important;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

/* ─── DISEÑO ─────────────────────────────────────────────────────── */

.Diseño {
  padding: 5rem var(--pad-x);
  background: linear-gradient(180deg, #04070d 0%, #060b18 100%);
}

.Diseño__titulo {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.Diseño__titulo h1 {
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  margin-bottom: 0.6rem;
}

.Diseño__titulo p {
  max-width: 620px;
  margin: 0 auto 3rem;
  color: rgba(223, 232, 250, 0.72);
}

/* Iframe del UI Kit (paleta y tipografía): mismo centrado y espaciado que el iframe del wireframe */
.ui-kit {
  max-width: var(--max-w);
  margin: 0 auto 3rem;
  text-align: center;
}

.ui-kit iframe {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid rgba(45, 99, 255, 0.22) !important;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

/* Bloques internos de la sección Diseño (recursos y voz, lenguaje UX, componentes, etc.) */
.Diseño > div:not(.Diseño__titulo):not(.ui-kit) {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto 3rem;
  padding: 2.2rem 2.4rem;
  border-radius: 18px;
  border: 1px solid rgba(45, 99, 255, 0.14);
  background: rgba(10, 16, 36, 0.55);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

.Diseño > div:not(.Diseño__titulo):not(.ui-kit):last-child {
  margin-bottom: 0;
}

.Diseño > div:not(.Diseño__titulo):not(.ui-kit) > h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  margin-bottom: 1.1rem;
  text-align: left;
}

.Diseño > div:not(.Diseño__titulo):not(.ui-kit) h3 {
  text-align: left;
  margin-top: 1.1rem;
}

.Diseño > div:not(.Diseño__titulo):not(.ui-kit) h3:first-of-type {
  margin-top: 0;
}

.Diseño > div:not(.Diseño__titulo):not(.ui-kit) p {
  text-align: left;
  margin-bottom: 0.5rem;
  max-width: none;
}

.Diseño > div:not(.Diseño__titulo):not(.ui-kit) ul {
  text-align: left;
  max-width: none;
  padding-left: 1.3rem;
  margin-bottom: 0.5rem;
}

.componentes-visuales__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.componente-visual {
  min-width: 0;
  padding: 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(45, 99, 255, 0.14);
  background: rgba(240, 240, 248, 0.04);
}

.componente-visual h3 {
  margin-top: 0;
}

.componente-visual p,
.componente-visual ul {
  margin-bottom: 0;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .persona-card {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
    margin: 2rem 1rem;
  }

  .persona-card__foto img {
    aspect-ratio: 4/3;
    max-height: 280px;
  }

  .benchmark-cols {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .componentes-visuales__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  body {
    padding-top: 7.8rem;
  }

  .botones {
    gap: 0.45rem;
    padding: 0.7rem 1rem;
  }

  .botones a,
  .botones button {
    min-height: 2.2rem;
    padding: 0.45rem 0.7rem;
    font-size: 0.68rem;
  }

  .presentacion {
    padding-top: 4.5rem;
  }

  .pitch-y-comitente {
    padding: 2.5rem 1rem 3rem;
  }

  .problematica,
  .objetivos {
    margin-right: 1rem;
    margin-left: 1rem;
    padding: 1.5rem 1.25rem;
  }

  .nuestra-propuesta {
    padding: 2.5rem 1rem;
  }

  .persona-card {
    margin: 1.5rem 0.75rem;
    padding: 1.5rem 1rem;
  }

  .blablacar,
  .uber {
    padding: 1.5rem 1rem;
  }

  .benchmark,
  .wireframe,
  .Diseño {
    padding: 3.5rem 1rem;
  }

  .Diseño > div:not(.Diseño__titulo):not(.ui-kit) {
    padding: 1.5rem 1.25rem;
    margin-bottom: 1.5rem;
  }

  h1 { font-size: clamp(2.2rem, 12vw, 3.2rem); }
  h2 { font-size: clamp(1.3rem, 7vw, 2rem); }
}