/* ==========================================================================
   Daco Technologies — sitio web (tema oscuro)
   Basado en "Daco Technologies - Website v3 Dark"
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Superficies */
  --bg:               oklch(0.17 0.012 70);
  --bg-translucent:   oklch(0.17 0.012 70 / 0.82);
  --surface:          oklch(0.215 0.013 70 / 0.72);
  --surface-cta:      oklch(0.24 0.035 265);

  /* Bordes */
  --border:           oklch(0.95 0.008 78 / 0.11);
  --border-strong:    oklch(0.95 0.008 78 / 0.22);
  --border-ghost:     oklch(0.95 0.008 78 / 0.24);
  --border-ghost-hi:  oklch(0.95 0.008 78 / 0.45);

  /* Texto */
  --text:             oklch(0.94 0.008 78);
  --text-soft:        oklch(0.76 0.012 78);
  --text-muted:       oklch(0.74 0.012 78);
  --text-dim:         oklch(0.71 0.012 78);
  --text-faint:       oklch(0.69 0.012 78);
  --text-fainter:     oklch(0.65 0.012 78);
  --text-ghost:       oklch(0.63 0.012 78);
  --text-on-accent:   oklch(0.15 0.012 70);
  --text-on-paper:    oklch(0.18 0.012 70);
  --text-on-cta:      oklch(0.8 0.012 78);

  /* Marca */
  --accent:           oklch(0.7 0.15 205);
  --accent-hi:        oklch(0.78 0.14 205);
  --accent-link-hi:   oklch(0.84 0.1 205);
  --violet:           oklch(0.6 0.15 285);
  --steel:            oklch(0.55 0.12 250);
  --paper:            oklch(0.95 0.008 78);
  --chalk:            oklch(0.99 0.004 78);

  --iso-circle: linear-gradient(160deg, oklch(0.5 0.09 190), oklch(0.42 0.08 195));
  --iso-square: linear-gradient(150deg, oklch(0.55 0.13 285 / 0.9), oklch(0.4 0.12 290 / 0.94));

  /* Sombras */
  --shadow-card:      0 14px 34px oklch(0 0 0 / 0.45);
  --shadow-lift:      0 12px 30px oklch(0 0 0 / 0.3);

  /* Tipografía */
  --font-sans:  'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono:  'IBM Plex Mono', ui-monospace, 'SFMono-Regular', 'Consolas', monospace;
  --font-brand: 'Poppins', var(--font-sans);

  /* Ritmo */
  --gutter:     clamp(16px, 4vw, 40px);
  --measure:    1080px;
  --section-gap: clamp(60px, 10vw, 110px);
  --ease:       cubic-bezier(0.22, 0.8, 0.3, 1);

  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, figure, blockquote { margin: 0; }

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--accent-link-hi);
  text-decoration: none;
}

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

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

.skip-link {
  position: absolute;
  left: 50%;
  top: 8px;
  z-index: 100;
  transform: translate(-50%, -160%);
  background: var(--accent);
  color: var(--text-on-accent);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 8px;
  transition: transform 0.2s var(--ease);
}

.skip-link:focus-visible { transform: translate(-50%, 0); }

/* --------------------------------------------------------------------------
   3. Fondo animado
   -------------------------------------------------------------------------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg__blob {
  position: absolute;
  border-radius: 50%;
  will-change: transform, opacity;
}

.bg__blob--1 {
  top: -14%;
  left: 4%;
  width: 42vw;
  height: 42vw;
  background: oklch(0.6 0.15 210);
  opacity: 0.5;
  filter: blur(130px);
  animation: daco-breathe 18s ease-in-out infinite;
}

.bg__blob--2 {
  top: 8%;
  right: 0;
  width: 36vw;
  height: 36vw;
  background: oklch(0.5 0.15 290);
  opacity: 0.5;
  filter: blur(140px);
  animation: daco-breathe-2 24s ease-in-out infinite;
}

.bg__blob--3 {
  bottom: -18%;
  left: 28%;
  width: 40vw;
  height: 40vw;
  background: oklch(0.52 0.13 250);
  opacity: 0.38;
  filter: blur(150px);
  animation: daco-breathe 30s ease-in-out infinite;
}

.bg__glow {
  position: absolute;
  left: 0;
  top: 0;
  width: 520px;
  height: 520px;
  margin-left: -260px;
  margin-top: -260px;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.5s ease;
  background: radial-gradient(circle, oklch(0.7 0.11 205 / 0.3), oklch(0.7 0.11 205 / 0.1) 45%, transparent 70%);
  filter: blur(30px);
  will-change: transform;
}

.bg__ripples {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid oklch(0.55 0.12 210 / 0.5);
  animation: daco-ripple var(--ripple-duration, 1.6s) cubic-bezier(0.16, 0.7, 0.3, 1) forwards;
  will-change: transform, opacity;
}

@keyframes daco-breathe {
  0%, 100% { transform: translate(0, 0) scale(1);       opacity: 0.5; }
  50%      { transform: translate(4%, -3%) scale(1.1);  opacity: 0.75; }
}

@keyframes daco-breathe-2 {
  0%, 100% { transform: translate(0, 0) scale(1);       opacity: 0.45; }
  50%      { transform: translate(-5%, 4%) scale(1.08); opacity: 0.65; }
}

@keyframes daco-ripple {
  0%   { transform: translate(-50%, -50%) scale(0.15); opacity: 0.55; }
  100% { transform: translate(-50%, -50%) scale(1);    opacity: 0; }
}

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */

.page {
  position: relative;
  z-index: 1;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
}

.section {
  padding: clamp(64px, 12vw, 120px) var(--gutter) clamp(56px, 9vw, 96px);
  scroll-margin-top: 84px;
}

.section--flush {
  padding-top: 0;
  padding-bottom: var(--section-gap);
}

.section--cta { padding-bottom: clamp(52px, 8vw, 90px); }

/* En pantallas angostas la barra se parte en dos filas y crece de alto. */
@media (max-width: 640px) {
  .section { scroll-margin-top: 120px; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: clamp(28px, 5vw, 56px) clamp(22px, 4.4vw, 48px);
}

/* --------------------------------------------------------------------------
   5. Tipografía compartida
   -------------------------------------------------------------------------- */

.eyebrow {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.eyebrow--tight {
  color: var(--text-fainter);
  margin-bottom: 14px;
}

.h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 12px;
}

.h2--sm {
  font-size: clamp(24px, 4vw, 34px);
  margin-bottom: 40px;
}

.section__lead {
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 44px;
  max-width: 520px;
}

/* --------------------------------------------------------------------------
   6. Isotipo
   -------------------------------------------------------------------------- */

.isotype {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.isotype__circle,
.isotype__square {
  width: var(--iso-size);
  aspect-ratio: 1;
  flex: none;
  box-shadow: 0 0 0 var(--iso-ring) var(--chalk);
}

.isotype__circle {
  border-radius: 50%;
  background: var(--iso-circle);
}

.isotype__square {
  position: relative;
  border-radius: var(--iso-radius);
  background: var(--iso-square);
  margin-left: var(--iso-overlap);
}

.isotype--nav {
  --iso-size: 20px;
  --iso-ring: 1.5px;
  --iso-radius: 5px;
  --iso-overlap: -11px;
}

.isotype--hero {
  --iso-size: clamp(136px, 17.7vw, 197px);
  --iso-ring: 7px;
  --iso-radius: 15%;
  --iso-overlap: calc(var(--iso-size) * -0.53);
}

.isotype--story {
  --iso-size: clamp(92px, 24vw, 132px);
  --iso-ring: 6px;
  --iso-radius: 21%;
  --iso-overlap: calc(var(--iso-size) * -0.53);
}

/* --------------------------------------------------------------------------
   7. Botones
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.18s, box-shadow 0.25s;
}

.btn--sm {
  font-size: 13px;
  padding: 9px 18px;
  border-radius: 7px;
}

.btn--primary {
  background: var(--accent);
  color: var(--text-on-accent);
}

.btn--primary:hover {
  background: var(--accent-hi);
  color: var(--text-on-accent);
}

.btn--primary:active { transform: scale(0.97); }

.btn--ghost {
  border-color: var(--border-ghost);
  color: var(--text);
}

.btn--ghost:hover {
  background: oklch(0.95 0.008 78 / 0.08);
  border-color: var(--border-ghost-hi);
  color: var(--text);
}

.btn--ghost:active { transform: scale(0.97); }

.btn--paper {
  background: var(--paper);
  color: var(--text-on-paper);
  font-weight: 600;
  padding: 15px 30px;
}

.btn--paper:hover {
  color: var(--text-on-paper);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.btn--paper:active { transform: translateY(0) scale(0.97); }

/* --------------------------------------------------------------------------
   8. Navegación
   -------------------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px var(--gutter);
  background: var(--bg-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(0.95 0.008 78 / 0.1);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.nav__brand:hover { color: var(--text); }

.nav__wordmark {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 32px);
  font-size: 14px;
}

.nav__links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--text); }

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */

.hero { position: relative; }

.hero__inner {
  position: relative;
  max-width: var(--measure);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(40px, 7vw, 80px);
  align-items: center;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 26px;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  text-wrap: pretty;
}

.hero__lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-soft);
  max-width: 460px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.hero__mark {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* --------------------------------------------------------------------------
   10. Clientes
   -------------------------------------------------------------------------- */

.trust__inner {
  max-width: var(--measure);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 56px);
}

.trust__label {
  font-size: 12px;
  color: var(--text-fainter);
}

.trust__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(20px, 4vw, 56px);
}

.trust__list li {
  font-size: 15px;
  font-weight: 500;
  color: oklch(0.67 0.012 78);
}

/* --------------------------------------------------------------------------
   11. Servicios
   -------------------------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}

.card__glyph {
  width: 30px;
  height: 30px;
  flex: none;
}

.card__glyph--circle {
  border-radius: 50%;
  background: var(--accent);
}

.card__glyph--square {
  border-radius: 8px;
  background: var(--violet);
}

.card__title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   12. Proceso
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
  border-top: 2px solid var(--accent);
}

.step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-ghost);
  letter-spacing: 0.08em;
}

.step__title {
  font-size: 17px;
  font-weight: 600;
}

.step__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   13. Historia del isotipo
   -------------------------------------------------------------------------- */

.story {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}

.story__figure {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.story__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 28px;
  max-width: 520px;
}

.traits {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 520px;
}

.trait {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 16px;
  align-items: start;
}

.trait p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-soft);
}

.trait strong {
  color: var(--text);
  font-weight: 600;
}

.trait__bullet {
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.trait__bullet--circle { border-radius: 50%; background: var(--accent); }
.trait__bullet--square { border-radius: 4px;  background: var(--violet); }

.trait__bullet--blend {
  border-radius: 50% 4px 4px 50%;
  background: linear-gradient(90deg, var(--accent), var(--violet));
}

.trait__bullet--cross {
  border-radius: 50% 4px 4px 50%;
  background: var(--steel);
}

/* --------------------------------------------------------------------------
   14. Testimonio
   -------------------------------------------------------------------------- */

.quote__inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.quote__text {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(21px, 3.6vw, 32px);
  line-height: 1.4;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
  text-wrap: pretty;
}

.quote__author {
  font-size: 14px;
  color: var(--text-faint);
}

/* --------------------------------------------------------------------------
   15. CTA
   -------------------------------------------------------------------------- */

.cta {
  max-width: var(--measure);
  margin: 0 auto;
  background: var(--surface-cta);
  color: var(--paper);
  border-radius: 18px;
  padding: clamp(36px, 6vw, 72px) clamp(24px, 5vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}

.cta__copy { max-width: 520px; }

.cta__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(26px, 4.6vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 14px;
}

.cta__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-on-cta);
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */

.footer {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 32px var(--gutter) 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
}

.footer__brand {
  font-size: 14px;
  color: var(--text-dim);
}

.footer__legal {
  font-size: 13px;
  color: var(--text-ghost);
}

/* --------------------------------------------------------------------------
   17. Reveal al hacer scroll
   -------------------------------------------------------------------------- */

.js .reveal { opacity: 0; }

.js .reveal.is-visible {
  animation: daco-reveal 0.65s var(--ease) var(--reveal-delay, 0ms) both;
}

/* Al terminar, se libera el transform para no bloquear los estados :hover. */
.js .reveal.is-revealed {
  opacity: 1;
  animation: none;
}

@keyframes daco-reveal {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   18. Preferencias de movimiento
   -------------------------------------------------------------------------- */

@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;
  }

  .js .reveal { opacity: 1; }
  .bg__blob { animation: none; }
}