/* ============================================================
   KYT44DELTA — Sistema de diseño
   Paleta RAL: 7024 Grafito · 1024 Ocre · 9003 Blanco
   Tipografía: Inter (texto) + Space Grotesk (display)
   ============================================================ */

:root {
  /* Paleta RAL */
  --grafito-900: #2A2D30;
  --grafito-800: #363A3D;
  --grafito-700: #474B4E;   /* RAL 7024 Grafito */
  --grafito-600: #5A5F62;
  --grafito-500: #6F7477;
  --grafito-400: #8A8F92;
  --grafito-300: #A8ACAE;
  --grafito-200: #C6C9CB;
  --grafito-100: #DCDEE0;
  --grafito-50:  #ECEDEF;

  --ocre-900: #7E6325;
  --ocre-700: #9C7D32;
  --ocre-500: #B89742;      /* RAL 1024 Amarillo Ocre */
  --ocre-400: #C9AD60;
  --ocre-300: #DAC282;
  --ocre-200: #ECD9A9;
  --ocre-100: #F8EED4;

  --blanco:    #F4F4F4;     /* RAL 9003 Blanco Señal */
  --blanco-puro: #FFFFFF;
  --negro:     #0E0F10;

  /* Semánticos */
  --bg:        var(--blanco);
  --bg-alt:    #FAFAFA;
  --surface:   var(--blanco-puro);
  --ink:       var(--grafito-900);
  --ink-soft:  var(--grafito-600);
  --line:      var(--grafito-200);
  --line-soft: var(--grafito-100);
  --brand:     var(--ocre-500);
  --brand-deep: var(--ocre-900);
  --brand-soft: var(--ocre-100);

  /* Tipografía */
  --f-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --f-text:    'Inter', system-ui, -apple-system, sans-serif;
  --f-mono:    'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Espaciado (8px) */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px;

  /* Layout */
  --container: 1240px;
  --container-narrow: 920px;
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Sombras (sutiles, industriales) */
  --shadow-sm: 0 1px 2px rgba(14,15,16,0.04), 0 1px 3px rgba(14,15,16,0.06);
  --shadow:    0 4px 12px rgba(14,15,16,0.06), 0 2px 4px rgba(14,15,16,0.04);
  --shadow-lg: 0 24px 48px rgba(14,15,16,0.10), 0 8px 16px rgba(14,15,16,0.06);

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 180ms;
  --t:      320ms;
  --t-slow: 520ms;
}

/* ====================== RESET ====================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-text);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; }
::selection { background: var(--brand); color: var(--negro); }

/* ====================== TIPOGRAFÍA ====================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4.4rem); letter-spacing: -0.035em; line-height: 1.02; font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.12em; }
p  { color: var(--ink-soft); }
strong, b { font-weight: 600; color: var(--ink); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-deep);
  margin-bottom: var(--s-4);
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--brand);
}
.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 60ch;
}

/* ====================== LAYOUT ====================== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--s-5); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--s-5); }
section { padding: clamp(64px, 10vw, 120px) 0; position: relative; }
section.tight { padding: clamp(48px, 6vw, 80px) 0; }
section.dark {
  background: var(--grafito-900);
  color: var(--blanco);
}
section.dark h1, section.dark h2, section.dark h3, section.dark h4 { color: var(--blanco); }
section.dark p, section.dark .lead { color: var(--grafito-300); }
section.dark .eyebrow { color: var(--brand); }
section.dark .eyebrow::before { background: var(--brand); }
section.alt { background: var(--bg-alt); }

/* ====================== NAV ====================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 244, 244, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow var(--t) var(--ease);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; gap: var(--s-5);
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--grafito-900);
}
.nav__brand-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--grafito-700), var(--grafito-900));
  display: grid; place-items: center;
  color: var(--brand);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.nav__brand-mark::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 50%, var(--brand) 50%);
  opacity: 0.18;
}
.nav__brand-text { display: flex; flex-direction: column; line-height: 1; }
.nav__brand-text small {
  font-size: 9px; letter-spacing: 0.32em; color: var(--ink-soft); font-weight: 500;
  text-transform: uppercase; margin-top: 3px;
}
.nav__links {
  display: flex; gap: var(--s-2); align-items: center;
}
.nav__link {
  position: relative;
  padding: 10px 14px;
  font-size: 14px; font-weight: 500;
  color: var(--grafito-700);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav__link:hover { color: var(--brand); }
.nav__link.active { color: var(--brand); }
.nav__link.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 2px; background: var(--brand); border-radius: 2px;
}
.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: var(--grafito-900);
  color: var(--blanco);
  font-size: 13px; font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.02em;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav__cta:hover { background: var(--brand); color: var(--negro); transform: translateY(-1px); }
.nav__toggle { display: none; }

@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__toggle {
    display: flex; flex-direction: column; gap: 5px;
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    background: var(--grafito-50);
    border-radius: 8px;
  }
  .nav__toggle span {
    display: block; width: 18px; height: 2px;
    background: var(--grafito-900);
    border-radius: 2px;
    transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
  }
  .nav__inner.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__inner.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav__inner.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav__inner.is-open .nav__links {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--line);
    padding: var(--s-4) var(--s-5);
    gap: var(--s-2);
    box-shadow: var(--shadow);
  }
  .nav__inner.is-open .nav__link { padding: 12px 16px; }
  .nav__inner.is-open .nav__cta { align-self: stretch; justify-content: center; margin-top: 4px; }
}

/* ====================== BOTONES ====================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  font-family: var(--f-display);
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  transition: all var(--t) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--t) var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary {
  background: var(--grafito-900);
  color: var(--blanco);
  box-shadow: 0 1px 0 var(--grafito-900), 0 0 0 0 var(--brand);
}
.btn--primary:hover {
  background: var(--brand);
  color: var(--negro);
  box-shadow: 0 8px 24px rgba(184, 151, 66, 0.35);
  transform: translateY(-2px);
}
.btn--ocre { background: var(--brand); color: var(--negro); }
.btn--ocre:hover { background: var(--ocre-700); color: var(--negro); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn--ghost:hover { border-color: var(--grafito-700); background: var(--blanco); }
.btn--light { background: var(--blanco); color: var(--grafito-900); }
.btn--light:hover { background: var(--brand); }
.btn--sm { padding: 10px 18px; font-size: 13px; }
.btn--lg { padding: 18px 32px; font-size: 15px; }

/* ====================== HERO ====================== */
.hero {
  position: relative;
  padding: clamp(80px, 12vw, 160px) 0 clamp(60px, 8vw, 120px);
  background: var(--blanco);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 80% 0%, rgba(184, 151, 66, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(71, 75, 78, 0.06), transparent 60%);
  z-index: -1;
}
.hero__grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 5vw, 80px); align-items: center;
}
.hero__content { max-width: 640px; }
.hero__title {
  font-size: clamp(2.6rem, 6.4vw, 5.2rem);
  margin-bottom: var(--s-5);
}
.hero__title em {
  font-style: normal; color: var(--brand-deep);
  position: relative; display: inline-block;
}
.hero__title em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.05em;
  height: 0.18em; background: var(--brand); opacity: 0.28;
  z-index: -1; border-radius: 4px;
}
.hero__sub {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--ink-soft);
  margin-bottom: var(--s-6);
  max-width: 56ch;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-bottom: var(--s-7); }
.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4); padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}
.hero__stat b {
  display: block; font-family: var(--f-display);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 700;
  color: var(--grafito-900); letter-spacing: -0.02em; line-height: 1;
}
.hero__stat b small { font-size: 0.5em; color: var(--brand-deep); margin-left: 2px; }
.hero__stat span {
  display: block; margin-top: 6px;
  font-size: 12px; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: 0.1em;
  font-weight: 500;
}
.hero__visual {
  position: relative; aspect-ratio: 1 / 1;
  background: var(--grafito-900);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid; place-items: center;
  box-shadow: var(--shadow-lg);
}
.hero__visual-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero__visual-glow {
  position: absolute; width: 60%; height: 60%;
  background: radial-gradient(circle, var(--brand), transparent 70%);
  opacity: 0.3; filter: blur(40px);
}
.hero__visual-orb {
  position: relative; z-index: 2;
  width: 55%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--brand), var(--ocre-900));
  box-shadow: 0 0 80px var(--brand);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.04); }
}
.hero__visual-label {
  position: absolute; bottom: 24px; left: 24px;
  font-family: var(--f-mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.7); z-index: 2;
}
.hero__visual-label b { color: var(--brand); }
.hero__visual-corner {
  position: absolute; width: 24px; height: 24px;
  border: 1.5px solid var(--brand);
}
.hero__visual-corner.tl { top: 16px; left: 16px; border-right: none; border-bottom: none; }
.hero__visual-corner.tr { top: 16px; right: 16px; border-left: none; border-bottom: none; }
.hero__visual-corner.bl { bottom: 16px; left: 16px; border-right: none; border-top: none; }
.hero__visual-corner.br { bottom: 16px; right: 16px; border-left: none; border-top: none; }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .hero__visual { max-width: 480px; margin: 0 auto; aspect-ratio: 1.4 / 1; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: var(--s-5); }
}
@media (max-width: 520px) {
  .hero__stats { grid-template-columns: 1fr 1fr; }
}

/* ====================== SECCIÓN HEADER ====================== */
.section-head { max-width: 720px; margin: 0 0 var(--s-8); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-bottom: var(--s-3); }
.section-head .lead { font-size: 1.05rem; }

/* ====================== GRIDS ====================== */
.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ====================== CARDS ====================== */
.card {
  position: relative;
  padding: var(--s-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  overflow: hidden;
  isolation: isolate;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(184, 151, 66, 0.04) 100%);
  opacity: 0; transition: opacity var(--t) var(--ease);
  z-index: -1;
}
.card:hover { border-color: var(--grafito-400); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card:hover::before { opacity: 1; }
.card--feature {
  padding: var(--s-7);
  background: var(--grafito-900);
  color: var(--blanco);
  border-color: var(--grafito-800);
}
.card--feature h3, .card--feature h4 { color: var(--blanco); }
.card--feature p, .card--feature .card__meta { color: var(--grafito-300); }
.card--feature:hover { border-color: var(--brand); }
.card__num {
  font-family: var(--f-mono);
  font-size: 12px; color: var(--brand-deep);
  letter-spacing: 0.18em; font-weight: 600;
  margin-bottom: var(--s-3);
}
.card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--grafito-50);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: var(--s-4);
  color: var(--grafito-700);
}
.card__icon svg { width: 22px; height: 22px; }
.card--feature .card__icon {
  background: rgba(184, 151, 66, 0.12); border-color: var(--brand);
  color: var(--brand);
}
.card h3, .card h4 { margin-bottom: var(--s-3); }
.card p { color: var(--ink-soft); font-size: 15px; }
.card__meta {
  font-size: 12px; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: 0.1em;
  font-weight: 500; margin-top: var(--s-4);
}

/* ====================== DIVISION CARDS (home) ====================== */
.division {
  position: relative;
  display: flex; flex-direction: column;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--t) var(--ease);
}
.division:hover { border-color: var(--grafito-700); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.division__visual {
  aspect-ratio: 16 / 9;
  background: var(--grafito-900);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
}
.division__visual svg { width: 100%; height: 100%; }
.division__body { padding: var(--s-5) var(--s-6) var(--s-6); flex: 1; display: flex; flex-direction: column; }
.division__num {
  font-family: var(--f-mono);
  font-size: 11px; color: var(--brand-deep);
  letter-spacing: 0.2em; font-weight: 600;
  margin-bottom: var(--s-3);
}
.division h3 { font-size: 1.4rem; margin-bottom: var(--s-3); }
.division p { color: var(--ink-soft); font-size: 14.5px; flex: 1; }
.division__cta {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: var(--s-4);
  font-size: 13px; font-weight: 600;
  color: var(--brand-deep);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.division__cta svg { width: 14px; height: 14px; transition: transform var(--t) var(--ease); }
.division:hover .division__cta svg { transform: translateX(4px); }

/* ====================== BENTO / FEATURE BLOCKS ====================== */
.bento { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 1fr 1fr; gap: var(--s-4); }
.bento__item {
  position: relative;
  padding: var(--s-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 220px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: border-color var(--t) var(--ease);
}
.bento__item:hover { border-color: var(--grafito-700); }
.bento__item--lg { grid-row: span 2; background: var(--grafito-900); color: var(--blanco); border-color: var(--grafito-800); }
.bento__item--lg h3, .bento__item--lg h4 { color: var(--blanco); }
.bento__item--lg p { color: var(--grafito-300); }
.bento__item--lg::after {
  content: ""; position: absolute; bottom: -40%; right: -20%;
  width: 60%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 151, 66, 0.25), transparent 70%);
}
.bento__item h4 { font-size: 1.1rem; margin-bottom: var(--s-2); }
.bento__item p { font-size: 14px; color: var(--ink-soft); }
.bento__icon { color: var(--brand); margin-bottom: var(--s-3); }
.bento__icon svg { width: 28px; height: 28px; }
@media (max-width: 960px) {
  .bento { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .bento__item--lg { grid-row: auto; grid-column: span 2; }
}
@media (max-width: 640px) {
  .bento { grid-template-columns: 1fr; }
  .bento__item--lg { grid-column: auto; }
}

/* ====================== TABLA / SPECS ====================== */
.spec {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  transition: padding-left var(--t-fast) var(--ease);
}
.spec:hover { padding-left: 8px; }
.spec:last-child { border-bottom: none; }
.spec b { color: var(--brand-deep); font-weight: 600; font-family: var(--f-mono); font-size: 13px; letter-spacing: 0.06em; }
.spec span { color: var(--ink-soft); text-align: right; }
.spec span strong { color: var(--ink); font-weight: 600; }

/* ====================== STAT STRIP ====================== */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; padding: var(--s-6) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-strip__item {
  padding: 0 var(--s-5);
  border-left: 1px solid var(--line);
}
.stat-strip__item:first-child { border-left: none; padding-left: 0; }
.stat-strip__item b {
  display: block; font-family: var(--f-display);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem); font-weight: 700;
  color: var(--grafito-900); line-height: 1;
  margin-bottom: 6px;
}
.stat-strip__item b small { font-size: 0.45em; color: var(--brand-deep); margin-left: 2px; }
.stat-strip__item span {
  font-size: 12px; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500;
}
@media (max-width: 720px) { .stat-strip { grid-template-columns: 1fr 1fr; gap: var(--s-5) 0; } .stat-strip__item { border-left: none; padding-left: 0; } }

/* ====================== PROCESO / STEPS ====================== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.step {
  position: relative; padding: var(--s-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--t) var(--ease);
}
.step:hover { border-color: var(--brand); }
.step__num {
  font-family: var(--f-display);
  font-size: 2.4rem; font-weight: 700;
  color: var(--brand-deep);
  line-height: 1; margin-bottom: var(--s-3);
}
.step h4 { font-size: 1.1rem; margin-bottom: var(--s-2); }
.step p { font-size: 14px; color: var(--ink-soft); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ====================== PRODUCT MODELS ====================== */
.models {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--s-7);
  align-items: center;
}
.models__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--s-5); }
.model-tab {
  padding: 10px 18px;
  font-family: var(--f-display);
  font-size: 13px; font-weight: 500;
  background: transparent;
  color: var(--grafito-600);
  border: 1px solid var(--line);
  border-radius: 100px;
  letter-spacing: 0.04em;
  transition: all var(--t-fast) var(--ease);
}
.model-tab:hover { color: var(--brand); border-color: var(--brand); }
.model-tab.active {
  background: var(--grafito-900); color: var(--blanco); border-color: var(--grafito-900);
}
.model-tab.active::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--brand); border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.model-view {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--grafito-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid; place-items: center;
  color: var(--blanco);
}
.model-view[hidden] {
  display: none !important;
}
.model-view__bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.model-view__glow {
  position: absolute; width: 50%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, var(--brand) 0%, transparent 70%);
  filter: blur(40px); opacity: 0.4;
}
.model-view__icon {
  position: relative; z-index: 2;
  color: var(--blanco);
}
.model-view__icon svg { width: 140px; height: 140px; }
.model-view__label {
  position: absolute; bottom: 20px; left: 20px;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.model-view__label b { color: var(--brand); }
.model-info h3 { font-size: 2rem; margin-bottom: var(--s-3); }
.model-info h3 em { color: var(--brand-deep); font-style: normal; }
.model-info__note {
  margin-top: var(--s-4); padding: var(--s-3) var(--s-4);
  background: var(--brand-soft);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px; color: var(--grafito-800);
}
@media (max-width: 960px) { .models { grid-template-columns: 1fr; } }

/* ====================== COMPARATIVA / BARRAS ====================== */
.bars { display: flex; flex-direction: column; gap: var(--s-5); }
.bar-row {}
.bar-row__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.bar-row__head b { font-family: var(--f-display); font-size: 1.05rem; font-weight: 600; }
.bar-row__head span { color: var(--brand-deep); font-family: var(--f-mono); font-weight: 600; font-size: 14px; }
.bar-track { height: 12px; background: var(--grafito-100); border-radius: 100px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--grafito-300); border-radius: 100px; transition: width 1.4s var(--ease); }
.bar-fill.gold { background: linear-gradient(90deg, var(--ocre-700), var(--brand)); }
.bar-note { font-size: 13px; color: var(--ink-soft); margin-top: 8px; }

/* ====================== APPS / TAGS ====================== */
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  padding: 10px 18px;
  font-family: var(--f-display); font-size: 13px;
  color: var(--grafito-700);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 100px;
  transition: all var(--t-fast) var(--ease);
}
.tag:hover { color: var(--brand-deep); border-color: var(--brand); transform: translateY(-2px); }

/* ====================== CTA ====================== */
.cta {
  position: relative;
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--grafito-900);
  color: var(--blanco);
  overflow: hidden;
  isolation: isolate;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(184, 151, 66, 0.18), transparent 60%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(184, 151, 66, 0.08), transparent 60%);
  z-index: -1;
}
.cta h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); margin-bottom: var(--s-4); color: #fff; }
.cta h2 em { font-style: normal; color: var(--brand); }
.cta p { font-size: 1.05rem; color: rgba(255,255,255,0.88); max-width: 56ch; margin-bottom: var(--s-5); }
.cta .eyebrow { color: var(--brand); }
.cta__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--s-7); align-items: center; }
.cta__form {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--grafito-700);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  backdrop-filter: blur(8px);
}
.cta__form h4 { color: var(--blanco); margin-bottom: var(--s-3); font-size: 1.1rem; }
.cta__form .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--s-3); }
.cta__form label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--grafito-300); font-weight: 500; }
.cta__form input, .cta__form select, .cta__form textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--grafito-700);
  color: var(--blanco);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.cta__form input::placeholder, .cta__form textarea::placeholder { color: var(--grafito-400); }
.cta__form input:focus, .cta__form select:focus, .cta__form textarea:focus {
  outline: none; border-color: var(--brand);
  background: rgba(184, 151, 66, 0.05);
}
.cta__form textarea { resize: vertical; min-height: 80px; }
.cta__form .btn { width: 100%; justify-content: center; margin-top: var(--s-2); }
@media (max-width: 860px) { .cta__inner { grid-template-columns: 1fr; } }

/* ====================== FOOTER ====================== */
.footer {
  background: var(--grafito-900);
  color: var(--grafito-300);
  padding: var(--s-8) 0 var(--s-5);
  border-top: 1px solid var(--grafito-800);
}
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s-7);
  margin-bottom: var(--s-7);
}
.footer h5 { color: var(--blanco); font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--s-4); font-weight: 600; }
.footer__brand { display: flex; align-items: center; gap: 10px; margin-bottom: var(--s-3); }
.footer__brand b { color: var(--blanco); font-family: var(--f-display); font-size: 1.1rem; letter-spacing: 0.04em; }
.footer__brand span { color: var(--brand); }
.footer p { color: var(--grafito-400); font-size: 14px; line-height: 1.7; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { color: var(--grafito-400); font-size: 14px; transition: color var(--t-fast) var(--ease); }
.footer__links a:hover { color: var(--brand); }
.footer__contact-item { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 14px; }
.footer__contact-item svg { width: 16px; height: 16px; color: var(--brand); flex-shrink: 0; margin-top: 2px; }
.footer__contact-item a { color: var(--grafito-300); transition: color var(--t-fast) var(--ease); }
.footer__contact-item a:hover { color: var(--brand); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--s-3);
  padding-top: var(--s-5);
  border-top: 1px solid var(--grafito-800);
  font-size: 12px; color: var(--grafito-300);
}
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer__grid { grid-template-columns: 1fr; } }

/* ====================== PAGE HEADER (interior pages) ====================== */
.page-header {
  padding: clamp(80px, 10vw, 140px) 0 clamp(40px, 6vw, 80px);
  background: var(--grafito-900);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-header::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 80% 0%, rgba(184, 151, 66, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(184, 151, 66, 0.06), transparent 60%);
  z-index: -1;
}
.page-header::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: -1;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--f-mono); font-size: 12px;
  color: var(--grafito-400); letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: var(--s-4);
}
.breadcrumb a { color: var(--grafito-400); transition: color var(--t-fast) var(--ease); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb svg { width: 12px; height: 12px; opacity: 0.5; }
.page-header h1 { color: var(--blanco); margin-bottom: var(--s-4); max-width: 18ch; }
.page-header h1 em { color: var(--brand); font-style: normal; }
.page-header .lead { color: var(--grafito-300); max-width: 60ch; }
.page-header__meta {
  display: flex; flex-wrap: wrap; gap: var(--s-5);
  margin-top: var(--s-6); padding-top: var(--s-5);
  border-top: 1px solid var(--grafito-800);
}
.page-header__meta-item { display: flex; flex-direction: column; gap: 2px; }
.page-header__meta-item b { color: var(--blanco); font-family: var(--f-display); font-size: 1.4rem; font-weight: 700; }
.page-header__meta-item b small { color: var(--brand); font-size: 0.5em; margin-left: 2px; }
.page-header__meta-item span { color: var(--grafito-400); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; }

/* ====================== UTILIDADES ====================== */
.text-center { text-align: center; }
.muted { color: var(--ink-soft); }
.mt-4 { margin-top: var(--s-4); } .mt-5 { margin-top: var(--s-5); } .mt-6 { margin-top: var(--s-6); } .mt-7 { margin-top: var(--s-7); } .mt-8 { margin-top: var(--s-8); }
.mb-4 { margin-bottom: var(--s-4); } .mb-5 { margin-bottom: var(--s-5); } .mb-6 { margin-bottom: var(--s-6); } .mb-7 { margin-bottom: var(--s-7); } .mb-8 { margin-bottom: var(--s-8); }
.gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); } .gap-5 { gap: var(--s-5); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* ====================== ANIMACIÓN REVEAL ====================== */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 800ms var(--ease), transform 800ms var(--ease); }
.rv.on { opacity: 1; transform: none; }
.rv.d1 { transition-delay: 100ms; }
.rv.d2 { transition-delay: 200ms; }
.rv.d3 { transition-delay: 300ms; }
.rv.d4 { transition-delay: 400ms; }
.rv.d5 { transition-delay: 500ms; }

/* ====================== FOCUS VISIBLE ====================== */
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ====================== LOGO STRIP ====================== */
.logo-strip {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--s-6);
  padding: var(--s-5) 0;
  opacity: 0.6;
  filter: grayscale(100%);
}
.logo-strip span {
  font-family: var(--f-display);
  font-size: 1.2rem; font-weight: 700;
  color: var(--grafito-600);
  letter-spacing: 0.04em;
}

/* ====================== CASOS DE USO ====================== */
.usecases { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
.usecase {
  padding: var(--s-4) var(--s-3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  font-size: 13px; font-weight: 500;
  color: var(--grafito-700);
  transition: all var(--t-fast) var(--ease);
}
.usecase:hover { border-color: var(--brand); color: var(--brand-deep); transform: translateY(-2px); background: var(--brand-soft); }
@media (max-width: 860px) { .usecases { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .usecases { grid-template-columns: 1fr; } }

/* ====================== TABS PARA PRODUCTOS ====================== */
.product-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: var(--s-6); flex-wrap: wrap; }
.product-tab {
  padding: 14px 20px;
  font-family: var(--f-display); font-size: 14px; font-weight: 500;
  color: var(--grafito-600);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--t-fast) var(--ease);
}
.product-tab:hover { color: var(--brand); }
.product-tab.active { color: var(--grafito-900); border-bottom-color: var(--brand); }