/* ═══════════════════════════════════════════════════════════════
   4MAISELF — LANDING PAGE
   Custom properties → Reset → Layout → Nav → Hero → Sections
═══════════════════════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
  --c-night:   #1f324b;
  --c-navy:    #2e4a6f;
  --c-steel:   #3d6293;
  --c-ivory:   #fff3ea;
  --c-white:   #ffffff;
  --c-peach:   #ffd6b7;

  --c-text:    #1f324b;
  --c-muted:   #5a7399;
  --c-border:  rgba(46,74,111,.15);

  --ff-sans:   'Space Grotesk', system-ui, sans-serif;
  --ff-display:'Syne', 'Space Grotesk', sans-serif;
  --ff-mono:   'JetBrains Mono', monospace;
  --ff-wordmark: 'Syncopate', 'Space Grotesk', sans-serif;
  --ff-slogan: 'Quicksand', 'Space Grotesk', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.35s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.65s cubic-bezier(.4,0,.2,1);

  --max-w: 1200px;
  --px: clamp(1.25rem, 4vw, 3rem);

  --shadow-sm: 0 2px 12px rgba(31,50,75,.08);
  --shadow-md: 0 8px 40px rgba(31,50,75,.14);
  --shadow-lg: 0 20px 80px rgba(31,50,75,.2);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--ff-sans);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; }

/* ─── CONTAINER ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
}

/* ─── SECTION TYPOGRAPHY ─────────────────────────────────── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--ff-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-steel);
  padding: .35rem .85rem;
  border: 1px solid var(--c-border);
  border-radius: 100px;
  margin-bottom: 1.5rem;
  background: rgba(61,98,147,.04);
}
.section-tag--light {
  color: rgba(255,243,234,.7);
  border-color: rgba(255,243,234,.2);
  background: rgba(255,255,255,.05);
}

.section-headline {
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--c-night);
  margin-bottom: 1.5rem;
}
.section-headline--light { color: var(--c-white); }

.section-sub {
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  color: var(--c-muted);
  max-width: 620px;
  margin-bottom: 3rem;
}
.section-sub--light { color: rgba(255,243,234,.75); }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--ff-sans);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  padding: .8rem 1.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  background: rgba(255,255,255,.08);
  transition: opacity .2s;
}
.btn:hover::after { opacity: 1; }

.btn--primary {
  background: var(--c-navy);
  color: var(--c-white);
  box-shadow: 0 4px 24px rgba(46,74,111,.35);
}
.btn--primary:hover {
  background: var(--c-night);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(46,74,111,.45);
}

.btn--ghost {
  background: transparent;
  color: var(--c-navy);
  border: 1.5px solid var(--c-navy);
}
.btn--ghost:hover {
  background: var(--c-navy);
  color: var(--c-white);
}

.btn--outline {
  background: transparent;
  color: var(--c-white);
  border: 1.5px solid rgba(255,255,255,.4);
}
.btn--outline:hover {
  border-color: var(--c-white);
  background: rgba(255,255,255,.08);
}

.btn--outline-light {
  background: transparent;
  color: var(--c-white);
  border: 1.5px solid rgba(255,255,255,.3);
}
.btn--outline-light:hover {
  border-color: var(--c-peach);
  color: var(--c-peach);
}

.btn--nav {
  background: var(--c-navy);
  color: var(--c-white);
  padding: .55rem 1.25rem;
  font-size: .875rem;
  box-shadow: 0 2px 12px rgba(46,74,111,.25);
}
.btn--nav:hover {
  background: var(--c-night);
  transform: translateY(-1px);
}

.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn--sm { padding: .45rem 1rem; font-size: .82rem; }
.btn--full { width: 100%; justify-content: center; }

.btn__arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ─── REVEAL ANIMATIONS ──────────────────────────────────── */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}
.reveal-up--delay-1 { transition-delay: .1s; }
.reveal-up--delay-2 { transition-delay: .2s; }
.reveal-up--delay-3 { transition-delay: .3s; }
.reveal-up--delay-4 { transition-delay: .4s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}

.is-visible {
  opacity: 1 !important;
  transform: none !important;
}

/* staggered items via --i */
.reveal-up[style*="--i:"] { transition-delay: calc(var(--i) * 0.08s + 0.05s); }
.reveal-left[style*="--i:"] { transition-delay: calc(var(--i) * 0.08s + 0.05s); }

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  padding: .75rem 0;
}
.nav.is-scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
}
.nav.is-dark {
  background: rgba(31,50,75,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__logo { display: flex; align-items: center; flex-shrink: 0; }
.nav__logo-img { height: 36px; width: auto; object-fit: contain; }
.nav__logo-color { display: block; }
.nav__logo-white { display: none; }
.nav.is-dark .nav__logo-color { display: none; }
.nav.is-dark .nav__logo-white { display: block; }

.nav__links {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}
.nav__link {
  font-size: .88rem;
  font-weight: 500;
  color: var(--c-muted);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1.5px;
  background: var(--c-navy);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--c-navy); }
.nav__link:hover::after { width: 100%; }
.nav.is-dark .nav__link { color: rgba(255,243,234,.65); }
.nav.is-dark .nav__link:hover { color: var(--c-ivory); }
.nav.is-dark .nav__link::after { background: var(--c-peach); }

.nav__burger { display: none; flex-direction: column; gap: 5px; padding: .25rem; }
.nav__burger span { display: block; width: 24px; height: 2px; background: currentColor; border-radius: 2px; transition: var(--transition); }

.nav__mobile {
  display: none;
  padding: 1rem var(--px) 1.5rem;
  border-top: 1px solid var(--c-border);
  margin-top: .5rem;
}
.nav__mobile[hidden] { display: none !important; }
.nav__mobile.is-open { display: block; }
.nav__mobile ul { display: flex; flex-direction: column; gap: .75rem; }
.nav__mobile .nav__link { font-size: 1rem; color: var(--c-text); padding: .5rem 0; }

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
  background: var(--c-night);
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61,98,147,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,98,147,.12) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  pointer-events: none;
}

.hero__bg-pulse {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: min(700px, 65vw);
  height: min(700px, 65vw);
  pointer-events: none;
  opacity: .35;
}

.pulse-ring {
  transform-origin: center;
  animation: pulseRing 6s ease-in-out infinite;
}
.pulse-ring--1 { animation-delay: 0s; }
.pulse-ring--2 { animation-delay: 1.5s; }
.pulse-ring--3 { animation-delay: 3s; }

@keyframes pulseRing {
  0%, 100% { opacity: .4; r: auto; stroke-dashoffset: 0; }
  50% { opacity: .8; stroke-dashoffset: 20; }
}

.hero__nodes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: clamp(3rem, 8vh, 6rem);
  padding-bottom: clamp(3rem, 8vh, 6rem);
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--ff-slogan);
  font-weight: 600;
  font-size: .71rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-peach);
  opacity: .9;
  margin-bottom: 1.5rem;
}
.hero__tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-peach);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero__headline {
  font-family: var(--ff-display);
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.025em;
  color: var(--c-white);
  margin-bottom: 1.5rem;
}

.hero__headline-em {
  font-style: normal;
  color: var(--c-peach);
  display: block;
}

.hero__sub {
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  color: rgba(255,243,234,.7);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero__metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.hero__metric-val {
  display: block;
  font-family: var(--ff-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
}
.hero__metric-label {
  font-size: .78rem;
  color: rgba(255,243,234,.5);
  font-family: var(--ff-mono);
  letter-spacing: .06em;
  margin-top: .2rem;
}
.hero__metric-div {
  width: 1px;
  height: 40px;
  background: rgba(255,243,234,.15);
}

.hero__visual {
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: min(580px, 48vw);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
}

.hero__symbol-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__symbol {
  width: clamp(280px, 38vw, 480px);
  height: auto;
  opacity: .18;
  filter: brightness(10) saturate(0);
  animation: symbolFloat 8s ease-in-out infinite;
}
@keyframes symbolFloat {
  0%,100%{ transform: translateY(0) rotate(0deg); }
  50%{ transform: translateY(-16px) rotate(1.5deg); }
}

.hero__symbol-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,243,234,.08);
  animation: ringExpand 5s ease-in-out infinite;
}
.hero__symbol-ring--1 {
  width: 110%; height: 110%;
  animation-delay: 0s;
}
.hero__symbol-ring--2 {
  width: 130%; height: 130%;
  animation-delay: 1s;
  border-style: dashed;
}
@keyframes ringExpand {
  0%,100%{ transform: scale(1); opacity: .4; }
  50%{ transform: scale(1.04); opacity: .7; }
}

.hero__scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  z-index: 3;
}
.hero__scroll-line {
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, rgba(255,243,234,.4));
  animation: scrollPulse 2s ease-in-out infinite;
}
.hero__scroll-txt {
  font-family: var(--ff-mono);
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,243,234,.35);
}
@keyframes scrollPulse {
  0%,100%{ transform: scaleY(1); opacity: .5; }
  50%{ transform: scaleY(1.15); opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════
   PROBLEMA
═══════════════════════════════════════════════════════════ */
.problema {
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--c-ivory);
}

.problema__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.problema__card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.problema__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--c-navy);
  transition: height var(--transition);
}
.problema__card:hover {
  border-color: rgba(46,74,111,.25);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.problema__card:hover::before { height: 100%; }

.problema__icon {
  width: 48px; height: 48px;
  background: var(--c-navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  padding: .7rem;
}
.problema__icon svg { width: 100%; height: 100%; }

.problema__card h3 {
  font-family: var(--ff-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-night);
  margin-bottom: .6rem;
}
.problema__card p {
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.problema__statement {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem 0;
  flex-wrap: wrap;
}
.problema__statement-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-border), transparent);
  min-width: 60px;
}
.problema__statement-txt {
  font-family: var(--ff-display);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  text-align: center;
  color: var(--c-night);
  line-height: 1.55;
  flex-shrink: 0;
  max-width: 620px;
}
.problema__statement-txt strong { color: var(--c-navy); }

/* ═══════════════════════════════════════════════════════════
   SISTEMA
═══════════════════════════════════════════════════════════ */
.sistema {
  position: relative;
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--c-night);
  overflow: hidden;
}

.sistema__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(46,74,111,.6) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(61,98,147,.3) 0%, transparent 60%);
  pointer-events: none;
}

.sistema__flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 3rem;
  margin-bottom: 4rem;
}

.sistema__flow-line {
  position: absolute;
  top: 56px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,214,183,.3) 20%, rgba(255,214,183,.3) 80%, transparent);
  pointer-events: none;
}

.sistema__step {
  position: relative;
  padding: 2.5rem 1.75rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-md);
  transition: var(--transition);
  text-align: center;
}
.sistema__step:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,214,183,.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.sistema__step-num {
  font-family: var(--ff-mono);
  font-size: .7rem;
  color: rgba(255,243,234,.25);
  letter-spacing: .12em;
  margin-bottom: 1rem;
  display: block;
}

.sistema__step-icon {
  width: 64px; height: 64px;
  margin: 0 auto 1.5rem;
}
.sistema__step-icon svg { width: 100%; height: 100%; }

.sistema__step-title {
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: .75rem;
}

.sistema__step-desc {
  font-size: .88rem;
  color: rgba(255,243,234,.6);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.sistema__step-tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--c-peach);
  background: rgba(255,214,183,.08);
  border: 1px solid rgba(255,214,183,.2);
  padding: .3rem .75rem;
  border-radius: 100px;
}

.sistema__cta-wrap {
  text-align: center;
}
.sistema__cta-txt {
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  color: rgba(255,243,234,.7);
  margin-bottom: 1.75rem;
  max-width: 520px;
  margin-inline: auto;
}
.sistema__cta-txt strong { color: var(--c-white); }

/* ═══════════════════════════════════════════════════════════
   SERVICIOS
═══════════════════════════════════════════════════════════ */
.servicios {
  padding: clamp(5rem, 10vw, 9rem) 0 0;
  background: var(--c-white);
}
.servicios > .container {
  padding-bottom: clamp(3rem, 5vw, 5rem);
}

.servicio {
  padding: clamp(4rem, 7vw, 7rem) 0;
}
.servicio--alt-bg {
  background: var(--c-ivory);
}

.servicio__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 6rem);
  align-items: center;
}
.servicio__inner--reverse .servicio__content { order: 2; }
.servicio__inner--reverse .servicio__visual { order: 1; }

.servicio__number {
  display: block;
  font-family: var(--ff-mono);
  font-size: .68rem;
  letter-spacing: .15em;
  color: var(--c-muted);
  margin-bottom: .75rem;
  opacity: .6;
}
.servicio__tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-steel);
  background: rgba(61,98,147,.08);
  border: 1px solid rgba(61,98,147,.15);
  padding: .3rem .75rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}
.servicio__title {
  font-family: var(--ff-display);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--c-night);
  margin-bottom: 1.25rem;
}
.servicio__desc {
  font-size: 1rem;
  color: var(--c-muted);
  line-height: 1.75;
  margin-bottom: 1.75rem;
  max-width: 480px;
}

.servicio__benefits {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  margin-bottom: 2rem;
}
.servicio__benefits li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .9rem;
  color: var(--c-text);
  line-height: 1.5;
}
.check {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background: var(--c-navy);
  border-radius: 50%;
  position: relative;
  margin-top: .1rem;
}
.check::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(45deg) translate(-1px, -1px);
  width: 5px;
  height: 8px;
  border-right: 1.5px solid white;
  border-bottom: 1.5px solid white;
}

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

/* Diagrams */
.servicio__diagram {
  width: 100%;
  max-width: 380px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* IKA — layers */
.servicio__diagram--ika { flex-direction: column; gap: 1rem; }
.sdiag__layers {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  width: 100%;
  max-width: 320px;
}
.sdiag__layer {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  border-radius: var(--radius-sm);
  font-family: var(--ff-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: var(--transition);
}
.sdiag__layer--3 { background: var(--c-navy); color: var(--c-white); }
.sdiag__layer--2 { background: var(--c-steel); color: var(--c-white); margin-inline: .5rem; }
.sdiag__layer--1 { background: var(--c-night); color: var(--c-ivory); margin-inline: 1rem; }
.servicio__visual:hover .sdiag__layer { transform: translateX(6px); }

.sdiag__connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--c-steel), var(--c-peach));
}
.sdiag__output {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--c-navy);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  width: 100%;
  max-width: 320px;
}
.sdiag__output-icon { width: 40px; height: 40px; flex-shrink: 0; }
.sdiag__output span {
  font-family: var(--ff-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-white);
}

/* CIIL — sectors ring */
.servicio__diagram--ciil {
  position: relative;
  width: 320px;
  height: 320px;
}
.sdiag__sectors {
  position: absolute;
  inset: 0;
}
.sdiag__sector {
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: var(--radius-md);
  background: var(--c-navy);
  border: 1px solid rgba(61,98,147,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  left: 50%;
  top: 50%;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translateY(-120px)
    rotate(calc(-1 * var(--angle)));
  transition: var(--transition);
}
.sdiag__sector span {
  font-family: var(--ff-mono);
  font-size: .7rem;
  letter-spacing: .07em;
  color: var(--c-ivory);
  text-transform: uppercase;
}
.servicio__visual:hover .sdiag__sector {
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translateY(-130px)
    rotate(calc(-1 * var(--angle)));
}
.sdiag__center {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 72px; height: 72px;
  background: var(--c-night);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,214,183,.2);
  padding: 12px;
}

/* IEL — pipeline */
.servicio__diagram--iel { flex-direction: column; }
.sdiag__pipeline {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 2rem;
  background: var(--c-night);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
  justify-content: center;
}
.sdiag__pipe-step {
  background: rgba(61,98,147,.3);
  border: 1px solid rgba(61,98,147,.5);
  border-radius: var(--radius-sm);
  padding: .85rem 1.25rem;
  font-family: var(--ff-mono);
  font-size: .75rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--c-ivory);
  transition: var(--transition);
}
.sdiag__pipe-step--active {
  background: var(--c-steel);
  border-color: var(--c-steel);
}
.sdiag__pipe-step--output {
  background: var(--c-navy);
  border-color: var(--c-peach);
  color: var(--c-peach);
}
.sdiag__pipe-arrow {
  width: 20px; height: 2px;
  background: rgba(61,98,147,.5);
  position: relative; flex-shrink: 0;
}
.sdiag__pipe-arrow::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid rgba(61,98,147,.6);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}
.servicio__visual:hover .sdiag__pipe-step { transform: scale(1.03); }

/* ELB2B — network */
.servicio__diagram--elb2b {
  position: relative;
  width: 300px;
  height: 300px;
}
.sdiag__network { position: relative; width: 100%; height: 100%; }
.sdiag__node {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-navy);
  border: 1px solid rgba(255,214,183,.2);
  transition: var(--transition);
  font-family: var(--ff-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-ivory);
}
.sdiag__node--center {
  width: 80px; height: 80px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: var(--c-night);
  border: 2px solid rgba(255,214,183,.35);
  z-index: 2;
  padding: 1rem;
}
.sdiag__node--1 { width: 64px; height: 64px; top: 5%; left: 50%; transform: translateX(-50%); }
.sdiag__node--2 { width: 64px; height: 64px; top: 30%; right: 4%; }
.sdiag__node--3 { width: 64px; height: 64px; bottom: 10%; right: 16%; }
.sdiag__node--4 { width: 64px; height: 64px; bottom: 10%; left: 16%; }
.sdiag__node--5 { width: 64px; height: 64px; top: 30%; left: 4%; }
.sdiag__node:not(.sdiag__node--center):hover { background: var(--c-steel); transform: scale(1.1) !important; }

/* ═══════════════════════════════════════════════════════════
   DIFERENCIADORES
═══════════════════════════════════════════════════════════ */
.diferenciadores {
  position: relative;
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--c-navy);
  overflow: hidden;
}

.diferenciadores__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61,98,147,.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,98,147,.2) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .5;
  pointer-events: none;
}

.dif__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.dif__card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: var(--transition);
}
.dif__card:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,214,183,.25);
  transform: translateY(-4px);
}

.dif__icon {
  width: 48px; height: 48px;
  margin-bottom: 1.25rem;
}
.dif__icon svg { width: 100%; height: 100%; }

.dif__card h3 {
  font-family: var(--ff-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.3;
  margin-bottom: .75rem;
}
.dif__card p {
  font-size: .88rem;
  color: rgba(255,243,234,.6);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   IMPACTO
═══════════════════════════════════════════════════════════ */
.impacto {
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--c-white);
}

.impacto__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.impacto__item {
  background: var(--c-ivory);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
}
.impacto__item:hover {
  border-color: rgba(46,74,111,.2);
  box-shadow: var(--shadow-sm);
}

.impacto__before-after {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
}

.impacto__before, .impacto__after {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  flex: 1;
}
.impacto__before { background: rgba(31,50,75,.05); border-left: 3px solid rgba(31,50,75,.2); }
.impacto__after { background: rgba(46,74,111,.08); border-left: 3px solid var(--c-navy); }

.impacto__label {
  font-family: var(--ff-mono);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-muted);
  display: block;
  margin-bottom: .5rem;
}
.impacto__label--after { color: var(--c-navy); font-weight: 600; }

.impacto__before p, .impacto__after p {
  font-size: .88rem;
  color: var(--c-text);
  line-height: 1.6;
}

.impacto__arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: .25rem 0;
}
.impacto__arrow svg { width: 40px; height: 20px; }

.impacto__quote {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--c-night);
  border-radius: var(--radius-lg);
}

.impacto__blockquote p {
  font-family: var(--ff-display);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  font-weight: 600;
  color: var(--c-white);
  line-height: 1.55;
  margin-bottom: 1rem;
  max-width: 680px;
  margin-inline: auto;
  quotes: "\201C" "\201D";
}
.impacto__blockquote p::before { content: open-quote; color: var(--c-peach); }
.impacto__blockquote p::after { content: close-quote; color: var(--c-peach); }

.impacto__blockquote footer {
  font-family: var(--ff-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: rgba(255,243,234,.4);
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════════════
   PARA QUIÉN
═══════════════════════════════════════════════════════════ */
.para-quien {
  position: relative;
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--c-night);
  overflow: hidden;
}

.para-quien__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(61,98,147,.25) 0%, transparent 70%);
  pointer-events: none;
}

.pq__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pq__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: var(--transition);
}
.pq__card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,214,183,.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}

.pq__role-icon {
  width: 48px; height: 48px;
  background: rgba(61,98,147,.3);
  border-radius: var(--radius-sm);
  padding: 10px;
  margin-bottom: 1.25rem;
}
.pq__role-icon svg { width: 100%; height: 100%; }

.pq__card h3 {
  font-family: var(--ff-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: .75rem;
}
.pq__card p {
  font-size: .88rem;
  color: rgba(255,243,234,.6);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.pq__card ul {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.pq__card li {
  font-family: var(--ff-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--c-peach);
  opacity: .8;
}
.pq__card li::before { content: '→ '; }

/* ═══════════════════════════════════════════════════════════
   FAQs
═══════════════════════════════════════════════════════════ */
.faqs {
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--c-ivory);
}

.faqs__list {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.faq__item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq__item:hover { border-color: rgba(46,74,111,.25); }

.faq__q {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.35rem 1.75rem;
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-night);
  gap: 1rem;
  transition: color var(--transition);
}
.faq__q:hover { color: var(--c-navy); }
.faq__q[aria-expanded="true"] { color: var(--c-navy); }

.faq__icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  background: var(--c-border);
  border-radius: 50%;
  position: relative;
  transition: var(--transition);
}
.faq__icon::before, .faq__icon::after {
  content: '';
  position: absolute;
  background: var(--c-navy);
  border-radius: 2px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq__icon::before { width: 10px; height: 2px; }
.faq__icon::after { width: 2px; height: 10px; transition: transform var(--transition); }
.faq__q[aria-expanded="true"] .faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__q[aria-expanded="true"] .faq__icon {
  background: rgba(46,74,111,.12);
}

.faq__a {
  padding: 0 1.75rem 1.5rem;
  animation: slideDown .3s ease;
}
.faq__a[hidden] { display: none; }
.faq__a p {
  font-size: .95rem;
  color: var(--c-muted);
  line-height: 1.75;
  border-top: 1px solid var(--c-border);
  padding-top: 1.25rem;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
   CTA FINAL
═══════════════════════════════════════════════════════════ */
.cta-final {
  position: relative;
  padding: clamp(6rem, 12vw, 10rem) 0;
  background: var(--c-night);
  overflow: hidden;
  text-align: center;
}

.cta-final__bg { position: absolute; inset: 0; pointer-events: none; }
.cta-final__glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse at center, rgba(46,74,111,.7) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-final__lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61,98,147,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,98,147,.08) 1px, transparent 1px);
  background-size: 72px 72px;
}

.cta-final__content { position: relative; z-index: 2; }

.cta-final__logo { margin: 0 auto 2.5rem; opacity: .9; }

.cta-final__headline {
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--c-white);
  margin-bottom: 1.75rem;
}
.cta-final__headline em { font-style: normal; color: var(--c-peach); }

.cta-final__sub {
  font-size: clamp(.9rem, 1.2vw, 1rem);
  color: rgba(255,243,234,.65);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.75;
  margin-bottom: 1rem;
}
.cta-final__sub strong { color: var(--c-ivory); }
.cta-final__sub:last-of-type { margin-bottom: 3.5rem; }

.cta-final__options {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.cta-final__option {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 320px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}
.cta-final__option:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,214,183,.3);
  transform: translateY(-6px);
}

.cta-final__option-icon {
  width: 56px; height: 56px;
  background: rgba(61,98,147,.3);
  border-radius: var(--radius-md);
  padding: 12px;
}
.cta-final__option-icon svg { width: 100%; height: 100%; }

.cta-final__option h3 {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-white);
  text-align: center;
}
.cta-final__option p {
  font-size: .88rem;
  color: rgba(255,243,234,.6);
  line-height: 1.65;
  text-align: center;
  flex: 1;
}

.cta-final__divider {
  display: flex;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: .8rem;
  color: rgba(255,243,234,.3);
  letter-spacing: .1em;
}

.cta-final__contact {
  font-size: .9rem;
  color: rgba(255,243,234,.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.cta-final__email {
  color: var(--c-peach);
  font-family: var(--ff-mono);
  font-size: .9rem;
  transition: opacity var(--transition);
}
.cta-final__email:hover { opacity: .75; text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.footer {
  background: #141f2e;
  padding-top: 3.5rem;
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.footer__brand { flex: 1; min-width: 180px; }
.footer__logo { margin-bottom: .75rem; opacity: .85; }
.footer__wordmark {
  font-family: var(--ff-wordmark);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-ivory);
  margin-bottom: .45rem;
}
.footer__slogan {
  font-family: var(--ff-slogan);
  font-weight: 500;
  font-size: .86rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,243,234,.3);
}

.footer__nav { flex: 2; min-width: 200px; }
.footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 2rem;
}
.footer__nav a {
  font-size: .88rem;
  color: rgba(255,243,234,.45);
  transition: color var(--transition);
}
.footer__nav a:hover { color: rgba(255,243,234,.9); }

.footer__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  min-width: 180px;
}
.footer__contact-link {
  font-family: var(--ff-mono);
  font-size: .82rem;
  color: var(--c-peach);
  opacity: .8;
  transition: opacity var(--transition);
}
.footer__contact-link:hover { opacity: 1; text-decoration: underline; }

.footer__bottom {
  padding: 1.25rem 0;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__bottom span {
  font-size: .78rem;
  color: rgba(255,243,234,.25);
}
.footer__symbol-watermark img { opacity: .2; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .sistema__flow { grid-template-columns: repeat(2, 1fr); }
  .sistema__flow-line { display: none; }
  .dif__grid { grid-template-columns: repeat(2, 1fr); }
  .pq__cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav__links, .btn--nav { display: none; }
  .nav__burger { display: flex; margin-left: auto; }

  .hero__visual { display: none; }
  .hero__content { max-width: 100%; }

  .servicio__inner, .servicio__inner--reverse {
    grid-template-columns: 1fr;
  }
  .servicio__inner--reverse .servicio__content { order: unset; }
  .servicio__inner--reverse .servicio__visual { order: unset; }
  .servicio__visual { min-height: 240px; }

  .impacto__grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .problema__grid { grid-template-columns: 1fr; }
  .sistema__flow { grid-template-columns: 1fr; }
  .dif__grid { grid-template-columns: 1fr; }
  .pq__cards { grid-template-columns: 1fr; }

  .hero__ctas { flex-direction: column; }
  .btn--lg { width: 100%; justify-content: center; }

  .cta-final__options { flex-direction: column; align-items: center; }
  .cta-final__divider { display: none; }

  .footer__inner { flex-direction: column; gap: 2rem; }
  .footer__nav ul { flex-direction: column; }

  .problema__statement { flex-direction: column; }
  .problema__statement-line { width: 80px; height: 1px; min-width: unset; flex: unset; }

  .hero__metrics { gap: 1.25rem; }
  .hero__metric-div { width: 1px; height: 30px; }
}

@media (max-width: 480px) {
  .hero__headline { font-size: clamp(2rem, 8vw, 2.8rem); }
  .servicio__diagram--ciil { width: 260px; height: 260px; }
  .sdiag__sector { width: 70px; height: 70px; }
  .sdiag__sector { transform: translate(-50%,-50%) rotate(var(--angle)) translateY(-95px) rotate(calc(-1 * var(--angle))); }
}

/* ─── FOCUS STYLES (ACCESSIBILITY) ──────────────────────── */
:focus-visible {
  outline: 2px solid var(--c-peach);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ─── REDUCED MOTION ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1 !important;
    transform: none !important;
  }
}