/* ============================================================
   styles.css — Carlos Gil · Estudio de desarrollo web
   Premium agency redesign
   ============================================================

   0.  Variables y tokens
   1.  Reset y base
   2.  Tipografía
   3.  Layout y utilidades
   4.  Componentes globales (botones, tags, section-header)
   5.  Cabecera y navegación
   6.  Hero
   7.  Manifesto / Sobre mí
   8.  Servicios
   9.  Portfolio
   10. Proceso
   11. Stack
   12. Contacto
   13. Footer
   14. WhatsApp flotante
   15. Cookies
   16. Animaciones y reveal
   17. Case study pages
   18. Responsive
   ============================================================ */


/* ============================================================
   0. VARIABLES Y TOKENS
   ============================================================ */
:root {
  /* Paleta principal */
  --c-bg:          #F7F6F2;
  --c-surface:     #FFFFFF;
  --c-bg-alt:      #EEECE8;
  --c-dark:        #0D0D0B;
  --c-dark-2:      #1A1916;
  --c-dark-3:      #242420;

  /* Acento */
  --c-accent:      #2450E0;
  --c-accent-dark: #1A3DB8;
  --c-accent-light:#EBF0FD;

  /* Texto */
  --c-text:        #0D0D0B;
  --c-muted:       #6C6B67;
  --c-subtle:      #A8A7A3;
  --c-on-dark:     #F7F6F2;
  --c-muted-dark:  #8A8984;

  /* Bordes */
  --c-border:      #E2DFD8;
  --c-border-dark: #2A2926;

  /* Sombras */
  --shadow-xs: 0 1px 3px rgba(0,0,0,.06);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.05);
  --shadow-md: 0 8px 30px rgba(0,0,0,.09), 0 2px 8px rgba(0,0,0,.05);
  --shadow-lg: 0 24px 64px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.07);

  /* Tipografía */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body:    'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Escala tipográfica */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.375rem;
  --text-xl:   1.75rem;
  --text-2xl:  2.25rem;
  --text-3xl:  3rem;
  --text-4xl:  3.75rem;
  --text-5xl:  4.75rem;
  --text-6xl:  6rem;

  /* Espaciado */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* Radios */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Transiciones */
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:  cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:    0.15s;
  --t-base:    0.25s;
  --t-slow:    0.45s;
}


/* ============================================================
   1. RESET Y BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--c-text);
  background-color: var(--c-bg);
  overflow-x: hidden;
}

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


/* ============================================================
   2. TIPOGRAFÍA
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

h1 { font-size: clamp(2rem, 4.5vw, var(--text-4xl)); }
h2 { font-size: clamp(1.75rem, 3.5vw, var(--text-3xl)); }
h3 { font-size: clamp(1.125rem, 1.8vw, var(--text-lg)); }

p { line-height: 1.8; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.eyebrow--light {
  color: var(--c-muted-dark);
}

.text-accent { color: var(--c-accent); }
.text-muted  { color: var(--c-muted); }


/* ============================================================
   3. LAYOUT Y UTILIDADES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.container--narrow {
  max-width: 800px;
}

.section {
  padding-block: var(--sp-24);
}

.section--alt {
  background-color: var(--c-surface);
}

.section--dark {
  background-color: var(--c-dark);
  color: var(--c-on-dark);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--c-on-dark);
}

.section-header {
  margin-bottom: var(--sp-16);
}

.section-header .eyebrow {
  margin-bottom: var(--sp-4);
}

.section-header h2 {
  margin-bottom: var(--sp-6);
}

.section-header p {
  font-size: var(--text-md);
  color: var(--c-muted);
  max-width: 580px;
  line-height: 1.8;
}

.divider {
  height: 1px;
  background: var(--c-border);
}


/* ============================================================
   4. COMPONENTES GLOBALES
   ============================================================ */

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  transition: all var(--t-base) var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--c-accent);
  color: #fff;
  border: 1.5px solid var(--c-accent);
}
.btn--primary:hover {
  background: var(--c-accent-dark);
  border-color: var(--c-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(36,80,224,.32);
}

.btn--outline {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn--outline:hover {
  border-color: var(--c-text);
  transform: translateY(-1px);
}

.btn--outline-light {
  background: transparent;
  color: var(--c-on-dark);
  border: 1.5px solid var(--c-border-dark);
}
.btn--outline-light:hover {
  border-color: var(--c-on-dark);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: rgba(247,246,242,.8);
  border: 1.5px solid rgba(247,246,242,.22);
}
.btn--ghost:hover {
  color: var(--c-on-dark);
  border-color: rgba(247,246,242,.55);
  background: rgba(247,246,242,.06);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 0.5rem 1.125rem;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-base);
}

.btn--full { width: 100%; justify-content: center; }

.btn--whatsapp {
  background: #25D366;
  color: #fff;
  border: 1.5px solid #25D366;
}
.btn--whatsapp:hover {
  background: #1ebe5a;
  border-color: #1ebe5a;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37,211,102,.3);
}

/* Arrow link */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-accent);
  transition: gap var(--t-base) var(--ease);
}
.link-arrow:hover { gap: var(--sp-3); }
.link-arrow svg { transition: transform var(--t-base) var(--ease); }
.link-arrow:hover svg { transform: translateX(2px); }


/* ============================================================
   5. CABECERA Y NAVEGACIÓN
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--t-slow) var(--ease),
              border-color var(--t-slow) var(--ease),
              backdrop-filter var(--t-slow) var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(13,13,11,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--c-border-dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  height: 92px;
}

.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 80px;
  width: auto;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--sp-8);
  margin-left: auto;
  margin-right: var(--sp-4);
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(247,246,242,.7);
  transition: color var(--t-fast) var(--ease);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--c-on-dark);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease);
}
.nav__links a:hover,
.nav__links a.active { color: var(--c-on-dark); }
.nav__links a:hover::after,
.nav__links a.active::after { transform: scaleX(1); }

.nav__cta {
  display: none;
  margin-left: auto;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
  margin-left: auto;
}

.nav__toggle-bar {
  display: block;
  height: 1.5px;
  background: var(--c-on-dark);
  transition: all var(--t-base) var(--ease);
  transform-origin: center;
}

/* Hamburger → X animation */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Menú móvil */
.nav__mobile {
  position: fixed;
  inset: 0;
  background: var(--c-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--sp-8);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-slow) var(--ease),
              visibility var(--t-slow) var(--ease);
  z-index: 99;
}

.nav__mobile.is-open {
  opacity: 1;
  visibility: visible;
}

.nav__mobile ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}

.nav__mobile a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--c-on-dark);
  opacity: 0.85;
  transition: opacity var(--t-fast) var(--ease);
}
.nav__mobile a:hover { opacity: 1; }

.nav__mobile-cta {
  font-family: var(--font-body) !important;
  font-size: var(--text-base) !important;
}


/* ============================================================
   6. HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--c-dark);
  position: relative;
  overflow: hidden;
  padding-top: 92px;
}

/* Subtle noise/grain overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 15% 80%, rgba(36,80,224,.18) 0%, transparent 60%),
    radial-gradient(ellipse at 85% 20%, rgba(36,80,224,.08) 0%, transparent 55%);
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;
  padding-block: var(--sp-16);
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 14px;
  border: 1px solid var(--c-border-dark);
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.04);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--c-muted-dark);
  margin-bottom: var(--sp-8);
  letter-spacing: 0.04em;
}

.hero__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3DCD58;
  box-shadow: 0 0 0 2px rgba(61,205,88,.3);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 2px rgba(61,205,88,.3); }
  50%       { box-shadow: 0 0 0 5px rgba(61,205,88,.1); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--c-on-dark);
  max-width: 800px;
  margin-bottom: var(--sp-6);
}

.hero__title em {
  font-style: normal;
  color: var(--c-accent);
}

.hero__desc {
  font-size: clamp(0.9375rem, 1.6vw, var(--text-base));
  color: var(--c-muted-dark);
  max-width: 480px;
  margin-bottom: var(--sp-8);
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4);
}

.hero__bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--c-border-dark);
  margin-top: auto;
}

.hero__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  padding-block: var(--sp-6);
  flex-wrap: wrap;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
}

.hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__meta-label {
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__meta-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-on-dark);
}

.hero__scroll {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__scroll-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--c-border-dark);
}


/* ============================================================
   7. MANIFESTO / SOBRE MÍ
   ============================================================ */
.manifesto {
  padding-block: var(--sp-24);
}

.manifesto__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-16);
}

.manifesto__statement {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.75vw, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.manifesto__statement em {
  font-style: normal;
  color: var(--c-accent);
}

.manifesto__content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.manifesto__content p {
  color: var(--c-muted);
  font-size: var(--text-md);
  line-height: 1.85;
}

.manifesto__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-8);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--c-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--c-muted);
  line-height: 1.4;
}


/* ============================================================
   8. SERVICIOS
   ============================================================ */
.servicios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

.servicio-card {
  padding: var(--sp-10);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-surface);
  transition: border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              transform var(--t-base) var(--ease);
}

.servicio-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.servicio-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-accent-light);
  border-radius: var(--radius);
  margin-bottom: var(--sp-6);
  color: var(--c-accent);
}

.servicio-card__icon svg {
  width: 22px;
  height: 22px;
}

.servicio-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--sp-3);
  color: var(--c-text);
}

.servicio-card p {
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.8;
}


/* ============================================================
   9. PORTFOLIO
   ============================================================ */
.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}

.proyecto-card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-surface);
  transition: border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              transform var(--t-base) var(--ease);
}

.proyecto-card:hover {
  border-color: rgba(36,80,224,.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.proyecto-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--c-bg-alt);
}

.proyecto-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}

.proyecto-card:hover .proyecto-card__image img {
  transform: scale(1.04);
}

.proyecto-card__image::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, rgba(0,0,0,.5) 0%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

.proyecto-card__badge {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  padding: 4px 12px;
  background: var(--c-dark);
  color: var(--c-on-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  z-index: 2;
}

.proyecto-tipo {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-2);
}

.proyecto-card__body {
  padding: var(--sp-8);
}

.proyecto-card__body h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--sp-3);
  color: var(--c-text);
}

.proyecto-card__body p {
  font-size: var(--text-sm);
  color: var(--c-muted);
  margin-bottom: var(--sp-6);
  line-height: 1.8;
}

.proyecto-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--c-border);
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.proyecto-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--c-muted);
}


/* ============================================================
   10. PROCESO
   ============================================================ */
.proceso__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: step;
}

.paso {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--sp-6);
  padding-block: var(--sp-8);
  border-bottom: 1px solid var(--c-border-dark);
  align-items: start;
  transition: background var(--t-base) var(--ease);
}

.paso:first-child { border-top: 1px solid var(--c-border-dark); }

.paso__num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--c-muted-dark);
  letter-spacing: 0.1em;
  padding-top: 6px;
}

.paso__content h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--sp-2);
  color: var(--c-on-dark);
  transition: color var(--t-base) var(--ease);
}

.paso:hover .paso__content h3 { color: var(--c-accent); }

.paso__content p {
  font-size: var(--text-sm);
  color: var(--c-muted-dark);
  line-height: 1.8;
}


/* ============================================================
   11. STACK
   ============================================================ */
.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.tech-pill {
  padding: 8px 18px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-muted);
  background: var(--c-surface);
  transition: all var(--t-fast) var(--ease);
}

.tech-pill:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--c-accent-light);
}


/* ============================================================
   12. CONTACTO
   ============================================================ */
.contacto__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-16);
}

.contacto__info .eyebrow {
  margin-bottom: var(--sp-4);
}

.contacto__info h2 {
  margin-bottom: var(--sp-5);
  line-height: 1.2;
  font-size: clamp(1.625rem, 3vw, var(--text-3xl));
}

.contacto__info p {
  color: var(--c-muted);
  font-size: var(--text-md);
  margin-bottom: var(--sp-8);
}

.contacto__datos {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}

.contacto__datos li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--c-muted);
}

.contacto__datos a:hover { color: var(--c-accent); }

/* Formulario */
.contacto__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-10);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-text);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 1rem; /* mínimo 16px — evita zoom automático en iOS Safari */
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  outline: none;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(36,80,224,.12);
  background: var(--c-surface);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-subtle);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--c-accent);
  flex-shrink: 0;
  cursor: pointer;
}

.form-check label {
  font-size: var(--text-xs);
  color: var(--c-muted);
  line-height: 1.5;
  cursor: pointer;
}

.form-check a {
  color: var(--c-accent);
  text-decoration: underline;
}


/* ============================================================
   13. FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-dark);
  border-top: 1px solid var(--c-border-dark);
  padding-block: var(--sp-16);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--c-border-dark);
  margin-bottom: var(--sp-8);
}

.footer__brand-logo {
  height: 72px;
  width: auto;
  margin-bottom: var(--sp-4);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--c-muted-dark);
  max-width: 300px;
  line-height: 1.65;
}

.footer__nav-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted-dark);
  margin-bottom: var(--sp-4);
}

.footer__nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__nav-links a {
  font-size: var(--text-sm);
  color: var(--c-muted-dark);
  transition: color var(--t-fast) var(--ease);
}
.footer__nav-links a:hover { color: var(--c-on-dark); }

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.site-footer__copy {
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
}

.site-footer__legal {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.site-footer__legal a {
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
  transition: color var(--t-fast) var(--ease);
}
.site-footer__legal a:hover { color: var(--c-on-dark); }


/* ============================================================
   14. WHATSAPP FLOTANTE
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: 90;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform var(--t-base) var(--ease-spring),
              box-shadow var(--t-base) var(--ease);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37,211,102,.5);
}

.whatsapp-float svg { width: 26px; height: 26px; }


/* ============================================================
   15. COOKIES — GDPR Banner
   ============================================================ */

/* Contenedor principal */
.cookie-panel {
  position: fixed;
  bottom: var(--sp-6);
  left: var(--sp-6);
  right: var(--sp-6);
  max-width: 520px;
  background: var(--c-dark-2);
  border: 1px solid var(--c-border-dark);
  border-radius: var(--radius-lg);
  z-index: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity var(--t-slow) var(--ease),
              transform var(--t-slow) var(--ease);
  overflow: hidden;
}

.cookie-panel.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* Panel principal */
.cookie-main { padding: var(--sp-6); }

.cookie-main__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-on-dark);
  margin-bottom: var(--sp-2);
}

.cookie-main__text {
  font-size: var(--text-sm);
  color: var(--c-muted-dark);
  line-height: 1.65;
  margin-bottom: var(--sp-5);
}

.cookie-main__text a {
  color: var(--c-accent);
  text-decoration: underline;
}

.cookie-main__actions {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* Panel de configuración */
.cookie-config {
  display: none;
  padding: var(--sp-5) var(--sp-6);
  border-top: 1px solid var(--c-border-dark);
}

.cookie-config.is-open { display: block; }

/* Fila de categoría */
.cookie-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.cookie-row:last-of-type { border-bottom: none; }

.cookie-row__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-on-dark);
}

.cookie-row__desc {
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
  margin-top: 2px;
}

/* Toggle switch */
.cookie-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.cookie-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.cookie-toggle__track {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease);
}

.cookie-toggle__track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--t-fast) var(--ease);
}

.cookie-toggle input:checked + .cookie-toggle__track {
  background: var(--c-accent);
}

.cookie-toggle input:checked + .cookie-toggle__track::after {
  transform: translateX(20px);
}

.cookie-toggle input:disabled + .cookie-toggle__track {
  opacity: 0.55;
  cursor: not-allowed;
}

.cookie-config__actions {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-top: var(--sp-5);
}

/* Botones del banner */
.cookie-btn {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease);
}

.cookie-btn--primary {
  background: var(--c-accent);
  color: #fff;
}
.cookie-btn--primary:hover { background: var(--c-accent-dark); }

.cookie-btn--secondary {
  border: 1px solid var(--c-border-dark);
  color: var(--c-muted-dark);
}
.cookie-btn--secondary:hover {
  border-color: var(--c-on-dark);
  color: var(--c-on-dark);
}

.cookie-btn--outline {
  border: 1px solid rgba(36,80,224,.6);
  color: var(--c-accent);
}
.cookie-btn--outline:hover {
  background: var(--c-accent);
  color: #fff;
}


/* ============================================================
   16. ANIMACIONES Y REVEAL
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.hero-anim {
  opacity: 0;
  animation: fadeUp var(--t-slow) var(--ease-out) forwards;
  animation-delay: var(--delay, 0s);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
  transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { --delay: 0.1s; }
.reveal-delay-2 { --delay: 0.2s; }
.reveal-delay-3 { --delay: 0.3s; }
.reveal-delay-4 { --delay: 0.4s; }


/* ============================================================
   17. CASE STUDY PAGES
   ============================================================ */
.case-header {
  background: var(--c-dark);
  padding-top: calc(92px + var(--sp-20));
  padding-bottom: var(--sp-20);
  position: relative;
  overflow: hidden;
}

.case-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 10% 90%, rgba(36,80,224,.2) 0%, transparent 55%);
  pointer-events: none;
}

.case-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-muted-dark);
  margin-bottom: var(--sp-8);
  transition: color var(--t-fast) var(--ease);
}
.case-header__back:hover { color: var(--c-on-dark); }
.case-header__back svg { transition: transform var(--t-fast) var(--ease); }
.case-header__back:hover svg { transform: translateX(-3px); }

.case-header__tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(36,80,224,.2);
  border: 1px solid rgba(36,80,224,.4);
  color: #7EA8FF;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}

.case-header__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--c-on-dark);
  margin-bottom: var(--sp-6);
  max-width: 700px;
}

.case-header__desc {
  font-size: var(--text-md);
  color: var(--c-muted-dark);
  max-width: 600px;
  margin-bottom: var(--sp-10);
  line-height: 1.75;
}

.case-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--c-border-dark);
}

.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-meta-label {
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-meta-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-on-dark);
}

/* Imagen hero del case study */
.case-hero-image {
  background: var(--c-bg-alt);
  overflow: hidden;
}

.case-hero-image img {
  width: 100%;
  max-height: 600px;
  object-fit: cover;
}

/* Secciones del case study */
.case-section {
  padding-block: var(--sp-20);
}

.case-section + .case-section {
  padding-top: 0;
}

.case-section--alt {
  background: var(--c-surface);
  padding-block: var(--sp-20);
}

.case-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
}

.case-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-4);
}

.case-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--sp-6);
}

.case-body {
  font-size: var(--text-md);
  color: var(--c-muted);
  line-height: 1.75;
}

.case-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.case-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.case-feature__icon {
  width: 36px;
  height: 36px;
  background: var(--c-accent-light);
  color: var(--c-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.case-feature__icon svg { width: 18px; height: 18px; }

.case-feature__text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.case-feature__text span {
  font-size: var(--text-xs);
  color: var(--c-muted);
}

/* CTA section del case study */
.case-cta {
  background: var(--c-dark);
  padding-block: var(--sp-20);
  text-align: center;
}

.case-cta h2 {
  color: var(--c-on-dark);
  margin-bottom: var(--sp-4);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
}

.case-cta p {
  color: var(--c-muted-dark);
  margin-bottom: var(--sp-8);
  font-size: var(--text-md);
}

.case-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-4);
}

/* Navegación entre proyectos */
.case-nav {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding-block: var(--sp-10);
}

.case-nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.case-nav__link {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.case-nav__link-label {
  font-size: var(--text-xs);
  color: var(--c-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-nav__link-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--c-text);
  transition: color var(--t-fast) var(--ease);
}
.case-nav__link:hover .case-nav__link-title { color: var(--c-accent); }

/* Header minimal para case study pages */
.case-page-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13,13,11,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border-dark);
}

.case-page-header .nav {
  height: 92px;
}


/* ============================================================
   18. RESPONSIVE
   ============================================================ */

/* ---- Móvil: reducir padding de secciones ---- */
@media (max-width: 639px) {
  .section {
    padding-block: var(--sp-16);
  }

  .manifesto {
    padding-block: var(--sp-16);
  }

  .hero__bottom-inner {
    gap: var(--sp-4);
  }

  .hero__meta {
    gap: var(--sp-5);
  }

  .hero__meta-item {
    min-width: 80px;
  }

  .hero__scroll {
    display: none;
  }

  .servicio-card {
    padding: var(--sp-8);
  }

  .contacto__form {
    padding: var(--sp-8);
  }

}

/* ---- Tablet: ≥ 640px ---- */
@media (min-width: 640px) {
  .servicios__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .manifesto__stats {
    gap: var(--sp-8);
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Desktop: ≥ 900px ---- */
@media (min-width: 900px) {
  .nav__links { display: flex; }
  .nav__cta   { display: inline-flex; }
  .nav__toggle { display: none; }
  .nav__mobile { display: none; }

  .manifesto__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: var(--sp-20);
  }

  .manifesto__grid > div:first-child {
    position: sticky;
    top: calc(92px + var(--sp-8));
  }

  .servicios__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Tres proyectos en una sola fila desde 900px */
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contacto__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: var(--sp-16);
  }

  .site-footer__top {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .case-2col {
    grid-template-columns: 1fr 1fr;
  }

  .hero__bottom-inner {
    flex-wrap: nowrap;
  }
}

/* ---- Large desktop: ≥ 1200px ---- */
@media (min-width: 1200px) {
  .servicios__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Móvil pequeño: ≤ 480px ---- */
@media (max-width: 480px) {
  .hero__status {
    font-size: 0.7rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    justify-content: center;
  }

  .hero__meta {
    gap: var(--sp-5);
    flex-wrap: wrap;
  }

  .manifesto__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
  }

  .stat-num {
    font-size: var(--text-lg);
  }

  .contacto__form {
    padding: var(--sp-6);
  }

  .whatsapp-float {
    bottom: var(--sp-4);
    right: var(--sp-4);
    width: 48px;
    height: 48px;
  }

  /* Evitar desbordamientos en textos largos */
  .hero__title {
    font-size: clamp(1.875rem, 9vw, 2.5rem);
  }

  .manifesto__statement {
    font-size: clamp(1.25rem, 6vw, 1.75rem);
  }

  .case-header__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .nav__mobile a {
    font-size: var(--text-xl);
  }

  .cookie-panel {
    left: var(--sp-3);
    right: var(--sp-3);
    bottom: var(--sp-3);
  }

  .cookie-main__actions {
    flex-direction: column;
  }

  .cookie-btn {
    text-align: center;
  }

  .case-page-header .nav {
    gap: var(--sp-3);
  }
  .case-page-header .btn {
    font-size: 0.7rem;
    padding: 0.5rem 1rem;
  }
}

/* ---- Móvil muy pequeño: ≤ 360px ---- */
@media (max-width: 360px) {
  .container {
    padding-inline: var(--sp-4);
  }

  .hero__title {
    font-size: clamp(1.75rem, 8.5vw, 2.25rem);
  }

  .btn--lg {
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
  }

  .manifesto__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-3);
  }

  .stat-num {
    font-size: 1.25rem;
  }
}

/* ---- Touch targets — todos los elementos interactivos ≥ 44px ---- */
.nav__toggle {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Reduce motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}


/* ============================================================
   19. TRUST SECTION
   ============================================================ */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
  margin-top: var(--sp-12);
}

.trust-card {
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
  padding: var(--sp-6);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-bg);
  transition: border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease);
}

.trust-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-sm);
}

.trust-card__icon {
  width: 44px;
  height: 44px;
  background: var(--c-accent-light);
  color: var(--c-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-card__icon svg { width: 22px; height: 22px; }

.trust-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--sp-1);
}

.trust-card p {
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.65;
}

@media (min-width: 640px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}


/* ============================================================
   20. FAQ SECTION
   ============================================================ */
.faq-list {
  border-top: 1px solid var(--c-border);
  margin-top: var(--sp-12);
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  width: 100%;
  padding: var(--sp-5) 0;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--t-fast) var(--ease);
}

.faq-question:hover { color: var(--c-accent); }

.faq-question__icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--c-border);
  color: var(--c-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              background var(--t-base) var(--ease),
              color var(--t-base) var(--ease);
}

.faq-question__icon svg {
  width: 12px;
  height: 12px;
  transition: transform var(--t-base) var(--ease);
}

.faq-item.is-open .faq-question { color: var(--c-accent); }

.faq-item.is-open .faq-question__icon {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.faq-item.is-open .faq-question__icon svg {
  transform: rotate(45deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 600px;
}

.faq-answer__inner { }

.faq-answer p {
  padding-bottom: var(--sp-6);
  font-size: var(--text-md);
  color: var(--c-muted);
  line-height: 1.75;
}


/* ============================================================
   21. CTA STRIP
   ============================================================ */
.cta-strip {
  background: var(--c-accent);
  padding-block: var(--sp-16);
  text-align: center;
}

.cta-strip h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--sp-3);
}

.cta-strip p {
  color: rgba(255,255,255,.82);
  font-size: var(--text-md);
  margin-bottom: var(--sp-8);
  max-width: 560px;
  margin-inline: auto;
}

.cta-strip .btn--primary {
  background: #fff;
  color: var(--c-accent);
  border-color: #fff;
}

.cta-strip .btn--primary:hover {
  background: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.9);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.cta-strip .btn--ghost {
  color: rgba(255,255,255,.85);
  border-color: rgba(255,255,255,.35);
}

.cta-strip .btn--ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.1);
}

.cta-strip__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-4);
}


/* ============================================================
   22. LANDING PAGE HERO
   ============================================================ */
.lp-hero {
  background-color: var(--c-dark);
  padding-top: calc(92px + var(--sp-20));
  padding-bottom: var(--sp-20);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.lp-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 80%, rgba(36,80,224,.2) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(36,80,224,.1) 0%, transparent 50%);
  pointer-events: none;
}

.lp-hero .container { position: relative; z-index: 1; }

.lp-hero .eyebrow {
  color: var(--c-muted-dark);
  margin-bottom: var(--sp-5);
}

.lp-hero h1 {
  color: var(--c-on-dark);
  font-size: clamp(2rem, 4.5vw, 4rem);
  margin-bottom: var(--sp-6);
  max-width: 820px;
  margin-inline: auto;
}

.lp-hero h1 em { font-style: italic; color: rgba(247,246,242,.75); }

.lp-hero__desc {
  font-size: var(--text-md);
  color: var(--c-muted-dark);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: var(--sp-10);
  line-height: 1.75;
}

.lp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-4);
}

.lp-hero__trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-6);
  margin-top: var(--sp-12);
  padding-top: var(--sp-10);
  border-top: 1px solid var(--c-border-dark);
}

.lp-hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--c-muted-dark);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.lp-hero__trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3DCD58;
  flex-shrink: 0;
}


/* ============================================================
   23. LANDING PAGE CONTENT
   ============================================================ */
.lp-intro {
  max-width: 720px;
}

.lp-intro p {
  font-size: var(--text-md);
  color: var(--c-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
}

.lp-intro p:last-child { margin-bottom: 0; }

.price-box {
  background: var(--c-accent-light);
  border: 1px solid rgba(36,80,224,.2);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  text-align: center;
  margin-top: var(--sp-8);
}

.price-box__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}

.price-box__amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--c-text);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.price-box__note {
  font-size: var(--text-sm);
  color: var(--c-muted);
  margin-bottom: var(--sp-6);
}

.price-box .btn {
  width: 100%;
  justify-content: center;
}


/* ============================================================
   24. FOOTER CON 4 COLUMNAS (landing pages)
   ============================================================ */
@media (min-width: 900px) {
  .site-footer__top--4col {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}


/* ============================================================
   25. BLOG
   ============================================================ */

/* Hero del índice de blog */
.blog-hero {
  background: var(--c-dark);
  padding-top: calc(92px + var(--sp-20));
  padding-bottom: var(--sp-20);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 15% 80%, rgba(36,80,224,.2) 0%, transparent 55%),
              radial-gradient(ellipse at 85% 20%, rgba(36,80,224,.1) 0%, transparent 50%);
  pointer-events: none;
}

.blog-hero .container { position: relative; z-index: 1; }

.blog-hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-4);
}

.blog-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  color: var(--c-on-dark);
  margin-bottom: var(--sp-6);
  max-width: 700px;
}

.blog-hero__desc {
  font-size: var(--text-md);
  color: var(--c-muted-dark);
  max-width: 560px;
  line-height: 1.75;
}

/* Grid de artículos en el índice */
.blog-section {
  padding-block: var(--sp-24);
  background: var(--c-bg);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  margin-top: var(--sp-4);
}

@media (min-width: 640px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tarjeta de artículo */
.blog-card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-surface);
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              transform var(--t-base) var(--ease);
}

.blog-card:hover {
  border-color: rgba(36,80,224,.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.blog-card__body {
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}

.blog-card__title {
  font-size: var(--text-lg);
  line-height: 1.3;
  margin-bottom: var(--sp-3);
  color: var(--c-text);
  transition: color var(--t-fast) var(--ease);
}

.blog-card:hover .blog-card__title { color: var(--c-accent); }

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: var(--sp-6);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-size: var(--text-xs);
  color: var(--c-subtle);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-border);
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-accent);
  transition: gap var(--t-base) var(--ease);
}

.blog-card__link:hover { gap: var(--sp-3); }

/* Cabecera de artículo individual */
.article-header {
  background: var(--c-dark);
  padding-top: calc(92px + var(--sp-20));
  padding-bottom: var(--sp-20);
  position: relative;
  overflow: hidden;
}

.article-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 10% 90%, rgba(36,80,224,.2) 0%, transparent 55%);
  pointer-events: none;
}

.article-header .container { position: relative; z-index: 1; }

.article-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-muted-dark);
  margin-bottom: var(--sp-8);
  transition: color var(--t-fast) var(--ease);
}
.article-header__back:hover { color: var(--c-on-dark); }
.article-header__back svg { transition: transform var(--t-fast) var(--ease); }
.article-header__back:hover svg { transform: translateX(-3px); }

.article-header__tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(36,80,224,.2);
  border: 1px solid rgba(36,80,224,.4);
  color: #7EA8FF;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}

.article-header__title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  color: var(--c-on-dark);
  margin-bottom: var(--sp-6);
  max-width: 800px;
  line-height: 1.15;
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-6);
  color: var(--c-muted-dark);
  font-size: var(--text-sm);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--c-border-dark);
}

.article-header__meta span {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Cuerpo del artículo */
.article-body {
  padding-block: var(--sp-20);
  background: var(--c-bg);
}

.article-body .container--narrow {
  max-width: 760px;
}

.article-content {
  font-size: var(--text-md);
  color: var(--c-muted);
  line-height: 1.85;
}

.article-content h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--c-text);
  margin-top: var(--sp-16);
  margin-bottom: var(--sp-5);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--c-border);
}

.article-content h2:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.article-content h3 {
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  color: var(--c-text);
  margin-top: var(--sp-10);
  margin-bottom: var(--sp-4);
}

.article-content p {
  margin-bottom: var(--sp-6);
}

.article-content ul,
.article-content ol {
  list-style: none;
  margin-bottom: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.article-content ul li,
.article-content ol li {
  padding-left: var(--sp-6);
  position: relative;
  color: var(--c-muted);
  line-height: 1.75;
}

.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
}

.article-content ol {
  counter-reset: article-ol;
}

.article-content ol li {
  counter-increment: article-ol;
}

.article-content ol li::before {
  content: counter(article-ol) '.';
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--c-accent);
  font-size: var(--text-sm);
}

.article-content strong { color: var(--c-text); font-weight: 700; }

.article-content a {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-color: rgba(36,80,224,.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--t-fast) var(--ease);
}
.article-content a:hover { text-decoration-color: var(--c-accent); }

/* Bloque destacado dentro del artículo */
.article-highlight {
  background: var(--c-accent-light);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--sp-6) var(--sp-8);
  margin-block: var(--sp-8);
}

.article-highlight p {
  margin-bottom: 0;
  color: var(--c-text);
  font-size: var(--text-base);
}

/* CTA al final del artículo */
.article-cta {
  background: var(--c-dark);
  padding-block: var(--sp-20);
  text-align: center;
}

.article-cta h2 {
  color: var(--c-on-dark);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--sp-4);
}

.article-cta p {
  color: var(--c-muted-dark);
  font-size: var(--text-md);
  margin-bottom: var(--sp-8);
  max-width: 520px;
  margin-inline: auto;
}

.article-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-4);
}

/* Sección blog en la landing principal */
.blog-landing {
  background: var(--c-bg);
}

.blog-landing .blog-grid {
  margin-top: 0;
}

.blog-landing__cta {
  text-align: center;
  margin-top: var(--sp-12);
}