/* ============================================
   netfinitiva s.l. — Stylesheet
   Proporción áurea (φ ≈ 1.618)
   Fuentes: Inter (sans) + Source Serif 4 (serif) + JetBrains Mono (mono)
   ============================================ */

/* ─── CSS Custom Properties ─── */
:root {
  --phi: 1.618;
  --phi-inv: 0.618;

  /* Paleta de grises suaves */
  --c-bg:        #f7f6f4;
  --c-bg-2:      #eeede9;
  --c-bg-3:      #e5e4df;
  --c-surface:   #ffffff;
  --c-text:      #1c1c1a;
  --c-text-2:    #5c5b58;
  --c-text-3:    #8a8985;
  --c-text-4:    #b5b4b0;
  --c-border:    #dddcd7;
  --c-border-light: #eae9e5;

  /* Acento sobrio */
  --c-accent:    #2d2d2b;
  --c-accent-2:  #6b6a66;
  --c-whatsapp:  #25d366;

  /* Sombras suaves */
  --shadow-sm:   0 1px  3px  rgba(0,0,0,0.04);
  --shadow-md:   0 4px  12px rgba(0,0,0,0.06);
  --shadow-lg:   0 12px 32px rgba(0,0,0,0.08);

  /* Tipografía */
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:  'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-mono:   'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Espaciado basado en φ */
  --space-xs:    0.382rem;  /* 1/φ² */
  --space-sm:    0.618rem;  /* 1/φ */
  --space-md:    1rem;
  --space-lg:    1.618rem;
  --space-xl:    2.618rem;
  --space-2xl:   4.236rem;
  --space-3xl:   6.854rem;

  /* Transiciones */
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.618;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}

img, video, canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ─── Revelado on-scroll: composición/descomposición ─── */
.reveal {
  opacity: 0;
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out), filter 0.9s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
  filter: blur(0);
}

/* reveal-up: sube al entrar, baja al salir */
.reveal-up {
  transform: translateY(60px);
}

/* reveal-left: entra desde izquierda, sale a izquierda */
.reveal-left {
  transform: translateX(-80px);
}

/* reveal-right: entra desde derecha, sale a derecha */
.reveal-right {
  transform: translateX(80px);
}

/* reveal-scale: crece al entrar, encoge al salir */
.reveal-scale {
  transform: scale(0.88);
}

/* reveal-blur: enfoca al entrar, desenfoca al salir */
.reveal-blur {
  filter: blur(12px);
  transform: translateY(30px);
}

/* reveal-fade: solo opacidad */
.reveal-fade {
  transform: translateY(0);
}

/* Revelado escalonado para hijos */
.reveal.is-visible .pilar-card:nth-child(1),
.reveal.is-visible .servicio-card:nth-child(1),
.reveal.is-visible .caso-card:nth-child(1) { transition-delay: 0s; }
.reveal.is-visible .pilar-card:nth-child(2),
.reveal.is-visible .servicio-card:nth-child(2),
.reveal.is-visible .caso-card:nth-child(2) { transition-delay: 0.1s; }
.reveal.is-visible .pilar-card:nth-child(3),
.reveal.is-visible .servicio-card:nth-child(3) { transition-delay: 0.2s; }
.reveal.is-visible .servicio-card:nth-child(4) { transition-delay: 0.3s; }



.noview{display:none !important}
/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-md) var(--space-xl);
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.header.is-scrolled {
  background: rgba(247, 246, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
}
.logo-mono {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--c-text);
}
.logo-sans {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--c-text);
}
.logo-dot {
  font-family: var(--font-mono);
  color: var(--c-text-4);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-text-2);
  transition: color 0.3s var(--ease-out);
}
.contact-link:hover {
  color: var(--c-text);
}
.contact-link svg {
  flex-shrink: 0;
}

/* ─── Burger ─── */
.burger {
  width: 32px;
  height: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1100;
}
.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-text);
  border-radius: 1px;
  transition: transform 0.4s var(--ease-out), opacity 0.3s;
  transform-origin: center;
}
.burger.is-open span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}
.burger.is-open span:nth-child(2) {
  opacity: 0;
}
.burger.is-open span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* ─── Nav Panel ─── */
.nav-panel {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--c-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}
.nav-panel.is-open {
  opacity: 1;
  visibility: visible;
}
.nav-panel-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}
.nav-link {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  color: var(--c-text-2);
  transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.nav-link:hover {
  color: var(--c-text);
  transform: translateX(8px);
}
.nav-cta {
  color: var(--c-text);
  font-weight: 400;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 150vh; /* El scroll dura 150vh */
  display: flex;
  justify-content: center;
  padding: var(--space-3xl) var(--space-xl) var(--space-2xl);
  overflow: hidden;
  align-items: flex-start;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.hero-canvas-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}
.hero-video-container {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: grayscale(1);
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1540px;
  margin: 10vh auto 0;
}

.hero-text {
  max-width: 760px;
}

.hero-h1 {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: var(--space-lg);
}
.h1-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--c-text-2);
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text-3);
  margin-bottom: var(--space-xl);
  max-width: 580px;
}

.hero-trust {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.trust-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 400;
  color: var(--c-text);
}
.trust-label {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--c-text-3);
  line-height: 1.4;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ─── Botones ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1;
  border-radius: 8px;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), transform 0.2s var(--ease-out), box-shadow 0.3s var(--ease-out);
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--c-accent);
  color: var(--c-bg);
}
.btn-primary:hover {
  background: var(--c-text);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: transparent;
  color: var(--c-text-2);
  border: 1px solid var(--c-border);
}
.btn-secondary:hover {
  background: var(--c-bg-2);
  color: var(--c-text);
  border-color: var(--c-text-4);
}
.btn-full {
  width: 100%;
}

/* ─── Scroll indicator ─── */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}
.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--c-text-4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ─── Sections ─── */
.section {
  position: relative;
  padding: var(--space-3xl) var(--space-xl);
}

.section-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.04;
  pointer-events: none;
}

.section-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-2xl);
}
.section-header.centered {
  text-align: center;
}

.section-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-text-4);
  margin-bottom: var(--space-md);
}

.section-h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-text);
  max-width: 700px;
}
.section-header.centered .section-h2 {
  margin: 0 auto;
}

/* Palabras clave en h2 con fuente contraria (serif) */
.h2-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--c-text-2);
}

/* ─── Diagnóstico ─── */
.diagnostico-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.diagnostico-narrativa {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--c-text-2);
}
.diagnostico-narrativa p {
  margin-bottom: var(--space-lg);
}
.diagnostico-list {
  list-style: none;
  margin-bottom: var(--space-lg);
}
.diagnostico-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--c-text-2);
}
.diagnostico-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--c-text-4);
}
.diagnostico-list li strong {
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-xs);
}
.diagnostico-cierre {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--c-text);
}
.diagnostico-visual img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

/* ─── Pilares ─── */
.pilares-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
.pilar-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 12px;
  padding: var(--space-xl);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.reveal.is-visible .pilar-card {
  opacity: 1;
  transform: translateY(0);
}
.pilar-card:hover {
  border-color: var(--c-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.pilar-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--c-bg-2);
  color: var(--c-text-2);
  margin-bottom: var(--space-lg);
}
.pilar-title {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-sm);
}
.pilar-text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text-2);
}

/* ─── Servicios ─── */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}
.servicio-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 12px;
  padding: var(--space-xl);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.reveal.is-visible .servicio-card {
  opacity: 1;
  transform: translateY(0);
}
.servicio-card:hover {
  border-color: var(--c-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.servicio-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--c-text-4);
  margin-bottom: var(--space-md);
}
.servicio-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-md);
}
.servicio-text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text-2);
  margin-bottom: var(--space-lg);
}
.servicio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.tag {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--c-text-3);
  background: var(--c-bg-2);
  border-radius: 4px;
}

/* ─── Casos ─── */
.casos-intro {
  margin-bottom: var(--space-2xl);
}
.casos-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--c-text-2);
  max-width: 700px;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--c-border);
}
.casos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}
.caso-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 12px;
  padding: var(--space-xl);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.reveal.is-visible .caso-card {
  opacity: 1;
  transform: translateY(0);
}
.caso-card:hover {
  border-color: var(--c-border);
  box-shadow: var(--shadow-md);
}
.caso-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-4);
  margin-bottom: var(--space-sm);
}
.caso-title {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-lg);
}
.caso-body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text-2);
}
.caso-body p {
  margin-bottom: var(--space-md);
}
.caso-body strong {
  font-weight: 400;
  color: var(--c-text);
}

.cta-waas {
  display: block;
  display:none;
  max-width: fit-content;
  
  align-items: center;
  justify-content: center;
  margin: var(--space-sm) auto;
  padding: 0.58rem 1rem;
  border-radius: 999px;
  border: 1px solid #f08b2e;
  background: linear-gradient(135deg, #ffb25f 0%, #f08b2e 100%);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1;
  text-align:center;
  text-transform: uppercase;
  box-shadow: 0 6px 14px rgba(240, 139, 46, 0.28);
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out), filter 0.28s var(--ease-out), background-position 0.45s ease;
  background-size: 160% 160%;
}

.cta-waas:hover,
.cta-waas:focus-visible {
  transform: translateY(-2px);
  filter: saturate(1.06);
  box-shadow: 0 10px 20px rgba(240, 139, 46, 0.34);
  background-position: 100% 0;
}

.cta-waas:focus-visible {
  outline: 2px solid rgba(240, 139, 46, 0.45);
  outline-offset: 2px;
}


.other-links a{
    display: block;
    width:fit-content;
    padding: 0.375rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--c-text-3);
    background: var(--c-bg-2);
    border-radius: 4px;
    margin:0.31rem auto
}
.section-casos .other-links a{
    display: inline-block;}

/* ─── Modelos ─── */
.modelos-comparativa {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.modelo-col {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 12px;
  overflow: hidden;
}
.modelo-header {
  padding: var(--space-xl);
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-border-light);
}
.modelo-header-alt {
  background: var(--c-text);
}
.modelo-header-alt .modelo-title,
.modelo-header-alt .modelo-subtitle {
  color: var(--c-bg);
}
.modelo-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-xs);
}
.modelo-subtitle {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--c-text-3);
}
.modelo-body {
  padding: var(--space-xl);
}
.modelo-item {
  margin-bottom: var(--space-lg);
}
.modelo-item:last-child {
  margin-bottom: 0;
}
.modelo-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-4);
  margin-bottom: var(--space-xs);
}
.modelo-value {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--c-text-2);
}
.modelo-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--space-2xl);
}
.divider-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--c-text-4);
}

/* ─── Contacto ─── */
.contacto-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: start;
}
.contacto-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}
.contacto-h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-sm);
}
.contacto-direccion {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--c-text-3);
}
.contacto-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  color: var(--c-text-2);
  margin-bottom: var(--space-md);
  transition: color 0.3s var(--ease-out);
}
.contacto-link:hover {
  color: var(--c-text);
}
.contacto-whatsapp {
  color: var(--c-whatsapp);
}
.contacto-whatsapp:hover {
  color: #1da851;
}

/* ─── Formulario ─── */
.contacto-form {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 12px;
  padding: var(--space-xl);
}
.form-group {
  margin-bottom: var(--space-lg);
}
.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--c-text-3);
  margin-bottom: var(--space-sm);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-text-4);
  box-shadow: 0 0 0 3px rgba(45,45,43,0.06);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}
.form-privacy {
  margin-bottom: var(--space-lg);
}
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
}
.checkbox-label input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.checkmark {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  background: var(--c-bg);
  margin-top: 2px;
  transition: background 0.2s, border-color 0.2s;
}
.checkbox-label input:checked + .checkmark {
  background: var(--c-accent);
  border-color: var(--c-accent);
}
.checkmark::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: solid var(--c-bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(5px, 1px);
  opacity: 0;
  transition: opacity 0.2s;
}
.checkbox-label input:checked + .checkmark::after {
  opacity: 1;
}
.checkbox-text {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--c-text-3);
}
.checkbox-text a {
  color: var(--c-text-2);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form-feedback {
  margin-top: var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  min-height: 1.5em;
}
.form-feedback.success {
  color: #2e7d32;
}
.form-feedback.error {
  color: #c62828;
}

/* ─── Footer ─── */
.footer {
  background: var(--c-text);
  color: var(--c-bg);
  padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
}
.footer-brand .logo-mono {
  color: var(--c-bg);
  font-weight: 400;
}
.footer-brand .logo-sans {
  color: var(--c-bg);
  font-weight: 500;
}
.footer-brand .logo-dot {
  color: var(--c-text-3);
}
.footer-tagline {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-text-3);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-links a {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--c-text-3);
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--c-bg);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-contact a,
.footer-contact span {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--c-text-3);
  transition: color 0.3s;
}
.footer-contact a:hover {
  color: var(--c-bg);
}
.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-bottom p {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--c-text-3);
}
.footer-update {
  font-family: var(--font-mono);
}

/* ─── Modales ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(28,28,26,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s;
}
.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.modal-container {
  background: var(--c-surface);
  width: 100%;
  max-width: 800px;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(30px) scale(0.97);
  transition: transform 0.5s var(--ease-out);
}
.modal-overlay.is-open .modal-container {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-bg);
  color: var(--c-text-2);
  z-index: 10;
  transition: background 0.3s, color 0.3s;
}
.modal-close:hover {
  background: var(--c-bg-2);
  color: var(--c-text);
}
.modal-content {
  padding: var(--space-2xl);
  overflow-y: auto;
  line-height: 1.7;
  color: var(--c-text-2);
}
.modal-content h2 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: var(--space-lg);
}
.modal-content h3 {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--c-text);
  margin: var(--space-xl) 0 var(--space-sm);
}
.modal-content p {
  margin-bottom: var(--space-md);
  font-weight: 300;
}
.modal-content ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}
.modal-content li {
  margin-bottom: var(--space-xs);
  font-weight: 300;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--c-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--c-border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-text-4);
}

/* ─── Selection ─── */
::selection {
  background: rgba(45,45,43,0.12);
  color: var(--c-text);
}

/* ─── FAQs ─── */
.section-faqs {
  background: var(--c-bg-2);
}

.faqs-intro {
  margin-bottom: var(--space-2xl);
  display: flex;
  justify-content: center;
}
.faqs-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.0625rem, 2.2vw, 1.35rem);
  font-weight: 400;
  line-height: 1.65;
  color: var(--c-text-2);
  max-width: 720px;
  text-align: center;
  padding: 0 var(--space-lg);
}

/* Tabs */
.faqs-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.faq-tab {
  padding: 0.625rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--c-text-3);
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.faq-tab:hover {
  color: var(--c-text);
  border-color: var(--c-border);
}
.faq-tab.is-active {
  background: var(--c-text);
  color: var(--c-bg);
  border-color: var(--c-text);
  box-shadow: var(--shadow-sm);
}

/* Panels */
.faq-panel {
  display: none;
  animation: fadeInPanel 0.4s var(--ease-out);
}
.faq-panel.is-active {
  display: block;
}
@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Acordeón */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border-light);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.faq-item:hover {
  border-color: var(--c-border);
}
.faq-item[open] {
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--c-text);
  line-height: 1.4;
  transition: background 0.2s var(--ease-out);
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-question:hover {
  background: var(--c-bg);
}
.faq-q-text {
  flex: 1;
}
.faq-chevron {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-3);
  transition: transform 0.35s var(--ease-out), color 0.3s;
}
.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--c-text);
}

.faq-answer {
  padding: 0 var(--space-xl) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--c-text-2);
  animation: slideDown 0.35s var(--ease-out);
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.faq-answer p {
  margin-bottom: var(--space-md);
}
.faq-answer p:last-child {
  margin-bottom: 0;
}
.faq-answer strong {
  font-weight: 400;
  color: var(--c-text);
}
.faq-answer code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--c-bg-2);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  color: var(--c-accent);
}
.faq-ol,
.faq-ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}
.faq-ol li,
.faq-ul li {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
}
.faq-ol li:last-child,
.faq-ul li:last-child {
  margin-bottom: 0;
}

/* CTA */
.faqs-cta {
  text-align: center;
  margin-top: var(--space-2xl);
}
.faqs-cta p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--c-text-2);
  margin-bottom: var(--space-lg);
}

/* ─── Cookie Banner ─── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 950;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg) var(--space-xl);
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.5s var(--ease-out), opacity 0.4s var(--ease-out);
  pointer-events: none;
}
.cookie-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.cookie-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.cookie-text {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--c-text-2);
  flex: 1;
  min-width: 260px;
}

.cookie-link {
  color: var(--c-text);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 400;
  transition: color 0.3s;
}
.cookie-link:hover {
  color: var(--c-accent-2);
}

.cookie-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .cookie-banner {
    padding: var(--space-md);
  }
  .cookie-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .cookie-actions {
    justify-content: center;
  }
  .cookie-btn {
    flex: 1;
  }
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .section-inner {
    max-width: 100%;
  }
  .diagnostico-content {
    grid-template-columns: 1fr;
  }
  .diagnostico-visual {
    order: -1;
  }
  .pilares-grid {
    grid-template-columns: 1fr;
  }
  .servicios-grid {
    grid-template-columns: 1fr;
  }
  .casos-grid {
    grid-template-columns: 1fr;
  }
  .modelos-comparativa {
    grid-template-columns: 1fr;
  }
  .modelo-divider {
    padding: var(--space-md) 0;
  }
  .contacto-layout {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .header {
    padding: var(--space-md);
  }
  .section {
    padding: var(--space-2xl) var(--space-md);
  }
  .hero {
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
  }
  .hero-cta {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}