/* ═══════════════════════════════════════════════════════════════════════
   PLANELLES STUDIO · base
   Blanco y negro por tonos, con el azul del logo como único color.
   Todo en OKLCH. Ni #000 ni #fff.
   ═══════════════════════════════════════════════════════════════════════ */

@property --scroll { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --p      { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --lid    { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --zoom   { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --panel  { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --mx     { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --my     { syntax: "<number>";     inherits: true;  initial-value: 0; }
@property --tx     { syntax: "<length>";     inherits: false; initial-value: 0px; }
@property --ty     { syntax: "<length>";     inherits: false; initial-value: 0px; }

:root {
  /* ── Escala tonal ────────────────────────────────────────────────── */
  --t-00: oklch(98.4% 0.002 250);
  --t-05: oklch(96.4% 0.003 250);
  --t-10: oklch(93.4% 0.004 250);
  --t-20: oklch(88%   0.006 250);
  --t-30: oklch(77%   0.008 250);
  --t-40: oklch(63%   0.010 250);
  --t-50: oklch(50%   0.012 250);
  --t-60: oklch(38%   0.014 250);
  --t-70: oklch(27%   0.018 250);
  --t-80: oklch(19%   0.022 250);
  --t-90: oklch(13.5% 0.026 255);

  --paper:     var(--t-00);
  --paper-2:   var(--t-05);
  --line:      var(--t-20);
  --line-soft: var(--t-10);

  --ink:       var(--t-80);
  --ink-2:     var(--t-60);
  --ink-3:     var(--t-50);
  --ink-inv:   var(--t-00);

  --night:     var(--t-90);
  --night-2:   oklch(17% 0.035 258);

  /* ── El azul del logo: el único color de la web ─────────────────── */
  --blue:      oklch(56% 0.215 258);
  --blue-lift: oklch(68% 0.185 245);
  --blue-sky:  oklch(80% 0.130 230);
  --blue-deep: oklch(42% 0.190 262);
  --blue-wash: oklch(95% 0.035 250);

  --dots: radial-gradient(currentColor 0.5px, transparent 0.6px);

  /* ── Tipografía ─────────────────────────────────────────────────── */
  --sans:    "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  /* grotesca pesada y apretada: la voz de todas las secciones */
  --display: "Archivo", var(--sans);
  --fs-hero: clamp(2.15rem, 5.2vw, 4.4rem);
  --fs-h2:   clamp(2.1rem, 5vw, 4.1rem);
  --fs-h3:   clamp(1.05rem, 1.35vw, 1.2rem);
  --fs-lead: clamp(1rem, 1.2vw, 1.1rem);
  --fs-body: 1rem;
  --fs-sm:   0.89rem;
  --fs-xs:   0.76rem;

  --shell:   1200px;
  --pad-x:   clamp(1.25rem, 4.5vw, 3.25rem);
  --stack:   clamp(4rem, 7vw, 6.5rem);
  --r-sm: 6px;  --r: 12px;  --r-lg: 18px;  --r-xl: 26px;

  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-q:  cubic-bezier(0.25, 1, 0.5, 1);
  --t-fast: 140ms;  --t: 240ms;  --t-slow: 460ms;  --t-enter: 760ms;

  --scroll: 0;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  overflow-x: clip;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--blue); color: oklch(99% 0 0); }

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

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

.skip {
  position: fixed; top: 0; left: 50%; translate: -50% -140%;
  z-index: 200; padding: 0.7rem 1.2rem;
  background: var(--ink); color: var(--ink-inv);
  border-radius: 0 0 var(--r) var(--r);
  font-size: var(--fs-sm); font-weight: 600;
  transition: translate var(--t) var(--ease);
}
.skip:focus { translate: -50% 0; }

.shell {
  width: 100%; max-width: var(--shell);
  margin-inline: auto; padding-inline: var(--pad-x);
}

.sec { position: relative; padding-block: var(--stack); }

/* ═══ Tipografía ═══════════════════════════════════════════════════════ */

/* Grotesca pesada y muy apretada. Es la voz de la web. */
.h2 {
  font-family: var(--display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.042em;
  text-wrap: balance;
}
.h2--inv { color: var(--t-00); }
.soft { color: var(--t-40); }
.h2--inv .soft { color: oklch(60% 0.06 250); }

h3 {
  font-family: var(--display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.024em;
}

.kicker {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
/* segunda línea del arranque, más pequeña y sin caja alta */
.kicker--sub {
  margin-top: 0.35rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--ink-3);
}

/* ═══ Nav ══════════════════════════════════════════════════════════════ */

.nav {
  position: sticky; top: 0; z-index: 100;
  background: oklch(98.4% 0.002 250 / 0.72);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.nav.is-stuck {
  border-bottom-color: var(--line-soft);
  background: oklch(98.4% 0.002 250 / 0.93);
}

.nav__rail { position: absolute; inset: auto 0 0 0; height: 2px; }
.nav__rail-fill {
  display: block; height: 100%; width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(var(--scroll));
  background: linear-gradient(90deg, var(--blue-deep), var(--blue), var(--blue-sky));
}

.nav__inner { display: flex; align-items: center; gap: 1.5rem; height: 4.4rem; }

.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  text-decoration: none; color: var(--ink); flex: 0 0 auto;
}
.brand__mark {
  width: 40px; height: 40px;
  object-fit: contain;
  transition: transform var(--t-slow) var(--ease);
}
/* solo el logo arriba a la izquierda: sin wordmark */
.brand--mark-only { gap: 0; }
.brand__fallback { display: none; width: 36px; height: 36px; }
.brand.no-logo .brand__fallback { display: block; }
@media (hover: hover) { .brand:hover .brand__mark { transform: rotate(-8deg) scale(1.06); } }

.brand__text {
  font-family: var(--display);
  font-size: 1.02rem; font-weight: 800;
  letter-spacing: -0.04em; white-space: nowrap;
}
.brand__text i { font-style: normal; font-weight: 500; color: var(--blue); margin-left: 0.3em; }

.nav__links { display: flex; align-items: center; gap: 0.1rem; margin-left: auto; }
.nav__links a {
  position: relative; padding: 0.5rem 0.7rem;
  font-size: var(--fs-sm); color: var(--ink-2);
  text-decoration: none; border-radius: 99px;
  transition: color var(--t) var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute;
  left: 0.7rem; right: 0.7rem; bottom: 0.34rem; height: 1.5px;
  background: var(--blue);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform var(--t) var(--ease);
}
.nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active::after { transform: scaleX(1); }
@media (hover: hover) {
  .nav__links a:hover { color: var(--ink); }
  .nav__links a:hover::after { transform: scaleX(1); }
}

.nav__end { display: flex; align-items: center; gap: 0.55rem; flex: 0 0 auto; }

.burger {
  display: none; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 10px;
  background: transparent; cursor: pointer; position: relative;
}
.burger span {
  position: absolute; left: 11px; width: 18px; height: 1.5px;
  background: var(--ink); border-radius: 2px;
  transition: transform var(--t) var(--ease);
}
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 22px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

@media (max-width: 940px) {
  .burger { display: block; }
  .nav__links {
    position: fixed; inset: 4.4rem 0 auto 0;
    flex-direction: column; align-items: stretch;
    gap: 0; margin: 0; padding: 0.4rem var(--pad-x) 1.5rem;
    background: oklch(98.4% 0.002 250 / .98);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line-soft);
    clip-path: inset(0 0 100% 0);
    transition: clip-path var(--t-slow) var(--ease);
  }
  .nav__links.is-open { clip-path: inset(0 0 0 0); }
  .nav__links a {
    padding: 0.9rem 0.2rem; font-size: 1.3rem;
    font-family: var(--display); font-weight: 800; letter-spacing: -0.035em;
    color: var(--ink); border-bottom: 1px solid var(--line-soft); border-radius: 0;
    opacity: 0; translate: 0 8px;
    transition: opacity var(--t) var(--ease), translate var(--t-slow) var(--ease);
  }
  .nav__links.is-open a { opacity: 1; translate: 0 0; }
  .nav__links.is-open a:nth-child(1) { transition-delay: 60ms; }
  .nav__links.is-open a:nth-child(2) { transition-delay: 110ms; }
  .nav__links.is-open a:nth-child(3) { transition-delay: 160ms; }
  .nav__links.is-open a:nth-child(4) { transition-delay: 210ms; }
  .nav__links.is-open a:nth-child(5) { transition-delay: 260ms; }
  .nav__links a::after { display: none; }
}
@media (max-width: 460px) { .nav__end .btn { display: none; } }

/* ═══ Botones ══════════════════════════════════════════════════════════ */

.btn {
  --tx: 0px; --ty: 0px;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.78rem 1.5rem;
  border: 1px solid transparent; border-radius: 99px;
  font-family: var(--display);
  font-size: var(--fs-sm); font-weight: 600; letter-spacing: -0.015em;
  text-decoration: none; cursor: pointer; overflow: hidden; isolation: isolate;
  transform: translate3d(var(--tx), var(--ty), 0);
  transition: transform var(--t-slow) var(--ease), background var(--t) var(--ease),
              border-color var(--t) var(--ease), color var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}
.btn > span { position: relative; z-index: 2; }
.btn:active { transform: translate3d(var(--tx), var(--ty), 0) scale(0.975); }
.btn--sm { padding: 0.52rem 1.05rem; font-size: 0.83rem; }
.btn--full { width: 100%; }

.btn--blue { color: oklch(99% 0 0); box-shadow: 0 8px 24px -10px oklch(56% 0.215 258 / .6); }
.btn--blue::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(110deg, var(--blue-deep), var(--blue) 45%, var(--blue-lift));
  background-size: 190% 100%; background-position: 0% 50%;
  transition: background-position var(--t-slow) var(--ease);
}
@media (hover: hover) {
  .btn--blue:hover { box-shadow: 0 14px 34px -10px oklch(56% 0.215 258 / .7); }
  .btn--blue:hover::before { background-position: 100% 50%; }
}

.btn--ink { background: var(--ink); color: var(--ink-inv); }
@media (hover: hover) { .btn--ink:hover { background: var(--t-90); } }

.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
@media (hover: hover) { .btn--ghost:hover { border-color: var(--blue); color: var(--blue); } }

/* ═══ Reveals · aparecer y subir, nada más ════════════════════════════ */

.js [data-reveal] {
  opacity: 0; translate: 0 14px;
  transition:
    opacity var(--t-enter) var(--ease) var(--rd, 0ms),
    translate var(--t-enter) var(--ease) var(--rd, 0ms);
}
.js [data-reveal].is-in { opacity: 1; translate: 0 0; }

.line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.js .line > span {
  display: block; opacity: 0; translate: 0 100%;
  transition:
    opacity var(--t-enter) var(--ease) var(--rd, 0ms),
    translate 880ms var(--ease) var(--rd, 0ms);
}
.js .line > span.is-in { opacity: 1; translate: 0 0; }

/* ═══ Piezas de maqueta reutilizadas en toda la web ═══════════════════ */

.win {
  border-radius: 9px; overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  box-shadow: 0 18px 40px -22px oklch(19% 0.022 250 / .5);
}
.win--dark { background: var(--night-2); border-color: oklch(100% 0 0 / .1); }

.win__bar {
  display: flex; align-items: center; gap: 3px;
  height: 15px; padding: 0 6px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-soft);
}
.win--dark .win__bar { background: oklch(100% 0 0 / .06); border-bottom-color: oklch(100% 0 0 / .08); }
.win__bar i { width: 4px; height: 4px; border-radius: 50%; background: var(--t-30); }
.win--dark .win__bar i { background: oklch(100% 0 0 / .3); }
.win__bar--wide { height: 26px; padding: 0 11px; gap: 5px; }
.win__bar--wide i { width: 7px; height: 7px; }
.win__bar em {
  margin-left: 10px; padding: 2px 10px;
  border-radius: 99px; background: var(--paper);
  border: 1px solid var(--line-soft);
  font-style: normal; font-size: 9px; color: var(--ink-3);
}

.w { display: block; height: 7px; border-radius: 3px; background: var(--t-20); }
.w-80 { width: 80%; } .w-70 { width: 70%; } .w-65 { width: 65%; }
.w-60 { width: 60%; } .w-55 { width: 55%; } .w-50 { width: 50%; }
.w-45 { width: 45%; } .w-40 { width: 40%; } .w-35 { width: 35%; } .w-30 { width: 30%; }
.w-light { background: oklch(100% 0 0 / .22); }

.cta-pill {
  display: block; width: 48px; height: 14px;
  border-radius: 99px; background: var(--ink);
}
.cta-pill--blue { background: var(--blue); }

/* ═══ Footer ═══════════════════════════════════════════════════════════ */

.foot {
  background: var(--night);
  color: oklch(72% 0.012 250);
  padding-block: clamp(2.8rem, 5vw, 4.5rem) 1.6rem;
}
.foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.2rem, 4vw, 3.2rem);
}
.foot__brand .brand { margin-bottom: 1.2rem; }
.foot__brand p {
  max-width: 30ch;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: oklch(70% 0.012 250);
}
.foot__social { display: flex; gap: 0.55rem; margin-top: 1.4rem; }
.foot__social a {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 9px;
  background: oklch(100% 0 0 / .07);
  transition: background var(--t) var(--ease);
}
.foot__social svg { width: 16px; height: 16px; fill: oklch(82% 0.01 250); }
@media (hover: hover) { .foot__social a:hover { background: var(--blue); } }
@media (hover: hover) { .foot__social a:hover svg { fill: #fff; } }

.foot__col { display: flex; flex-direction: column; align-items: flex-start; }
.foot__col h3 {
  font-family: var(--display);
  font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--t-00);
  margin-bottom: 1.1rem;
}
.foot__col a {
  padding: 0.36rem 0;
  font-size: var(--fs-sm);
  color: oklch(72% 0.012 250);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}
@media (hover: hover) { .foot__col a:hover { color: var(--t-00); } }

.foot__end {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between;
  gap: 0.8rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid oklch(100% 0 0 / .1);
  font-size: var(--fs-xs);
  color: oklch(64% 0.012 250);
}
.foot__mini { display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; }
.foot__mini a {
  font-size: var(--fs-xs);
  color: oklch(64% 0.012 250);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}
@media (hover: hover) { .foot__mini a:hover { color: var(--t-00); } }

@media (max-width: 860px) {
  .foot__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .foot__brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .foot__grid { grid-template-columns: 1fr; text-align: center; }
  .foot__brand p { max-width: none; margin-inline: auto; }
  .foot__brand .brand, .foot__social { justify-content: center; }
  .foot__col { align-items: center; }
  .foot__end { justify-content: center; text-align: center; }
  .foot__mini { justify-content: center; }
}

/* ═══ Movimiento reducido ══════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .js [data-reveal] { opacity: 1 !important; translate: 0 0 !important; }
  .js .line > span { opacity: 1 !important; translate: 0 0 !important; }
}