/* ============================================================
   JULIETA MARSAN – ESTUDIO CONTABLE
   style.css | Paleta extraída del logo Marsan Investments
   ============================================================

   PALETA DEL LOGO – Análisis visual:
   ┌──────────────────────────────────────────────────────┐
   │  Fondo círculo:    #0d1b2a  — Navy casi negro        │
   │  Turquesa vivo:    #1fb8cd  — Acento principal       │
   │  Teal profundo:    #167a8a  — Acento oscuro          │
   │  Azul interno:     #0a1628  — Dark base              │
   │  Blanco/anillo:    #ffffff  — Contraste limpio       │
   └──────────────────────────────────────────────────────┘
   ============================================================ */

/* ===================== VARIABLES DE COLOR ===================== */
:root {
  /* === Paleta principal – extraída del logo === */
  --color-primary:        #0d1b2a;   /* Navy casi negro – dominante, fondo oscuro */
  --color-secondary:      #1a3a52;   /* Navy medio – variante de primary */
  --color-accent:         #1fb8cd;   /* Turquesa vivo del logo – botones y detalles */
  --color-accent-dark:    #167a8a;   /* Teal profundo – hover de acento */
  --color-accent-light:   #4ecfdf;   /* Turquesa claro – highlights */
  --color-accent-glow:    rgba(31,184,205,.18); /* Turquesa translúcido – glows */
  --color-dark:           #0a1628;   /* Azul interior del logo – más oscuro */
  --color-light:          #f4f7f9;   /* Blanco frío con tinte azulado – fondo */
  --color-white:          #ffffff;
  --color-muted:          #5a7085;   /* Gris azulado – textos secundarios */
  --color-border:         #dde4ea;   /* Borde sutil con tinte frío */
  --color-surface:        #eef2f6;   /* Superficie de cards en secciones claras */

  /* === Tipografía === */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;

  /* === Espaciado === */
  --section-py: 5rem;
  --container:  1200px;
  --radius:     0.75rem;
  --radius-lg:  1.25rem;

  /* === Sombras con tinte de color === */
  --shadow-sm:    0 1px 3px rgba(13,27,42,.07), 0 1px 2px rgba(13,27,42,.05);
  --shadow-md:    0 4px 16px rgba(13,27,42,.10), 0 2px 6px rgba(13,27,42,.06);
  --shadow-lg:    0 12px 40px rgba(13,27,42,.13), 0 4px 12px rgba(13,27,42,.07);
  --shadow-xl:    0 24px 60px rgba(13,27,42,.18), 0 8px 20px rgba(13,27,42,.10);
  --shadow-accent: 0 6px 24px rgba(31,184,205,.35);

  /* === Transiciones === */
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-dark);
  background-color: var(--color-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ===================== CONTENEDOR ===================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===================== BOTONES ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.45);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.7);
}

.btn--whatsapp {
  background: #25d366;
  color: var(--color-white);
  border-color: #25d366;
  font-size: 0.95rem;
  padding: 0.9rem 1.8rem;
}
.btn--whatsapp svg { width: 1.25rem; height: 1.25rem; flex-shrink: 0; }
.btn--whatsapp:hover {
  background: #1ebe5d;
  border-color: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37,211,102,.4);
}

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

/* ===================== SECTION HEADERS ===================== */
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.section-tag--light { color: var(--color-accent-light); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.section-title--light { color: var(--color-white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 620px;
  line-height: 1.7;
}
.section-subtitle--light { color: rgba(255,255,255,.65); }

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header .section-subtitle { margin: 0 auto; }

/* ===================== ANIMACIONES ===================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.8s ease forwards;
}
.fade-in--delay { animation-delay: 0.2s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================== BOTÓN FLOTANTE WHATSAPP ===================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: #25d366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,.5);
  transition: all var(--transition);
}
.whatsapp-float svg { width: 1.75rem; height: 1.75rem; }
.whatsapp-float:hover {
  background: #1ebe5d;
  transform: scale(1.08);
  box-shadow: 0 6px 26px rgba(37,211,102,.6);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateY(-50%) translateX(-8px); }

.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  transform: translateY(-50%) translateX(0);
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 0.4rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition);
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--color-dark);
}

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(244,247,249,.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition), background var(--transition);
}
.header.is-scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 1rem;
}

/* Logo con imagen */
.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.header__logo-img {
  width: 2.4rem;
  height: 2.4rem;
  object-fit: contain;
  border-radius: 50%;
}
.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
.logo-sub {
  font-size: 0.65rem;
  color: var(--color-muted);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 400;
}

.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav__list {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin-right: 1rem;
}
.nav__link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-primary);
  padding: 0.45rem 0.7rem;
  border-radius: 0.4rem;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0.7rem; right: 0.7rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 1px;
}
.nav__link:hover { color: var(--color-accent); }
.nav__link:hover::after,
.nav__link--active::after { transform: scaleX(1); }
.nav__link--active { color: var(--color-accent); }

.nav__cta { font-size: 0.85rem; padding: 0.6rem 1.2rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: 0.4rem;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 8rem 0 5rem;
  overflow: hidden;
  background: var(--color-primary);
}

/* Fondo con gradientes del logo */
.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 65% at 90% 30%, rgba(31,184,205,.12) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(22,122,138,.08) 0%, transparent 60%),
    linear-gradient(160deg, #0d1b2a 0%, #0a1628 60%, #071220 100%);
  pointer-events: none;
}

/* Grid de puntos decorativo */
.hero__bg-pattern::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(31,184,205,.08) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  min-height: calc(100vh - 8rem);
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}
.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  margin-bottom: 0.85rem;
  max-width: 520px;
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-accent-light);
  margin-bottom: 2rem;
  opacity: .85;
}

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Cards flotantes */
.hero__visual {
  position: relative;
  height: 480px;
}

.hero-card {
  position: absolute;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(31,184,205,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 4px 20px rgba(0,0,0,.3), 0 0 0 1px rgba(31,184,205,.1);
  min-width: 190px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-card:hover {
  transform: translateY(-4px);
  border-color: rgba(31,184,205,.5);
  box-shadow: 0 8px 30px rgba(0,0,0,.35), 0 0 20px rgba(31,184,205,.15);
}

.hero-card__icon {
  width: 2.25rem;
  height: 2.25rem;
  background: rgba(31,184,205,.15);
  border: 1px solid rgba(31,184,205,.3);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}
.hero-card__icon svg { width: 1.2rem; height: 1.2rem; }

.hero-card > div:last-child {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.hero-card strong { font-size: 0.9rem; font-weight: 600; color: var(--color-white); }
.hero-card span   { font-size: 0.75rem; color: rgba(255,255,255,.55); }

.hero-card--1 { top: 15%;  left: 0;    animation: float1 5s ease-in-out infinite; }
.hero-card--2 { top: 0%;   right: 5%;  animation: float2 6s ease-in-out infinite; }
.hero-card--3 { bottom: 22%; left: 5%; animation: float1 7s ease-in-out infinite 1s; }
.hero-card--4 { bottom: 5%; right: 0;  animation: float2 5.5s ease-in-out infinite 0.5s; }

@keyframes float1 {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes float2 {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(8px); }
}

/* Badge central con el logo */
.hero__central-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: rgba(31,184,205,.1);
  border: 1px solid rgba(31,184,205,.35);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 12px rgba(31,184,205,.05),
    0 0 40px rgba(31,184,205,.15),
    inset 0 0 30px rgba(31,184,205,.05);
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%,100% { box-shadow: 0 0 0 12px rgba(31,184,205,.05), 0 0 40px rgba(31,184,205,.15), inset 0 0 30px rgba(31,184,205,.05); }
  50%      { box-shadow: 0 0 0 18px rgba(31,184,205,.08), 0 0 60px rgba(31,184,205,.22), inset 0 0 40px rgba(31,184,205,.08); }
}

.hero__central-badge-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
}
.hero__logo-badge {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 50%;
  filter: brightness(1.05);
}
.badge-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===================== AUTORIDAD PROFESIONAL ===================== */
.authority {
  padding: var(--section-py) 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.authority__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.authority-card {
  padding: 1.75rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}
.authority-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.authority-card:hover::before { transform: scaleX(1); }
.authority-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(31,184,205,.3);
}

.authority-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.authority-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(31,184,205,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  color: var(--color-accent);
}
.authority-card__icon svg { width: 1.3rem; height: 1.3rem; }

.authority-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.authority-card__text { font-size: 0.82rem; color: var(--color-muted); line-height: 1.6; }

/* ===================== SERVICIOS ===================== */
.services {
  padding: var(--section-py) 0;
  background: var(--color-light);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(31,184,205,.2); }
.service-card:hover::after { transform: scaleX(1); }

/* Card destacada con estética del logo */
.service-card--featured {
  background: linear-gradient(145deg, var(--color-primary) 0%, #0a1f35 100%);
  border-color: rgba(31,184,205,.35);
  color: var(--color-white);
  box-shadow: 0 4px 24px rgba(13,27,42,.25);
}
.service-card--featured::before {
  content: '';
  position: absolute;
  top: -30%; right: -20%;
  width: 60%; height: 120%;
  background: radial-gradient(ellipse, rgba(31,184,205,.12) 0%, transparent 70%);
  pointer-events: none;
}
.service-card--featured .service-card__title { color: var(--color-white); }
.service-card--featured .service-card__text  { color: rgba(255,255,255,.68); }
.service-card--featured .service-card__icon  {
  background: rgba(31,184,205,.15);
  border: 1px solid rgba(31,184,205,.3);
  color: var(--color-accent);
}
.service-card--featured:hover {
  border-color: rgba(31,184,205,.6);
  box-shadow: 0 8px 40px rgba(13,27,42,.35), 0 0 30px rgba(31,184,205,.15);
}
.service-card--featured::after { display: none; }

.service-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  background: rgba(31,184,205,.08);
  border-radius: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-accent);
  transition: all var(--transition);
}
.service-card:hover .service-card__icon {
  background: rgba(31,184,205,.14);
}
.service-card__icon svg { width: 1.35rem; height: 1.35rem; }

.service-card__badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(31,184,205,.12);
  border: 1px solid rgba(31,184,205,.35);
  border-radius: 0.25rem;
  padding: 0.2rem 0.55rem;
  margin-bottom: 0.5rem;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.service-card__text { font-size: 0.875rem; color: var(--color-muted); line-height: 1.65; }

/* ===================== SEO BLOCK ===================== */
.seo-block {
  padding: 3.5rem 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.seo-block__inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.seo-block__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.seo-block__text { font-size: 0.97rem; color: var(--color-muted); line-height: 1.8; }

/* ===================== ONLINE ===================== */
.online {
  padding: var(--section-py) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}
.online::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(31,184,205,.1) 0%, transparent 65%),
    radial-gradient(ellipse 40% 60% at 15% 80%, rgba(31,184,205,.07) 0%, transparent 60%);
  pointer-events: none;
}
.online::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(31,184,205,.05) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.online__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.online-col {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(31,184,205,.15);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
}
.online-col:hover {
  background: rgba(31,184,205,.06);
  border-color: rgba(31,184,205,.35);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,.2), 0 0 20px rgba(31,184,205,.1);
}

.online-col--featured {
  background: rgba(31,184,205,.07);
  border-color: rgba(31,184,205,.4);
  position: relative;
}
.online-col--featured::before {
  content: 'Más frecuente';
  position: absolute;
  top: -0.6rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.75rem;
  border-radius: 1rem;
  white-space: nowrap;
}

.online-col__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(31,184,205,.2);
}

.online-col__list li {
  padding: 0.45rem 0;
  font-size: 0.875rem;
  color: rgba(255,255,255,.72);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.online-col__list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ===================== DIFERENCIAL ===================== */
.differential {
  padding: var(--section-py) 0;
  background: var(--color-light);
}

.differential__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: center;
}

.differential__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.differential__body { font-size: 1rem; color: var(--color-muted); line-height: 1.75; }

.differential__blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.diff-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: all var(--transition);
}
.diff-block:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(31,184,205,.3);
}

.diff-block__icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(31,184,205,.1);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.diff-block__icon svg { width: 1.3rem; height: 1.3rem; }
.diff-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.diff-block p { font-size: 0.85rem; color: var(--color-muted); line-height: 1.65; }

/* ===================== SOBRE MÍ ===================== */
.about {
  padding: var(--section-py) 0;
  background: var(--color-white);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}

.about__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.1;
}
.about__lead {
  font-size: 1.1rem;
  color: var(--color-accent-dark);
  font-style: italic;
  font-family: var(--font-display);
  margin-bottom: 1.5rem;
}
.about__body {
  font-size: 0.975rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about__content .btn { margin-top: 1.5rem; }

.about__card {
  background: var(--color-primary);
  border: 1px solid rgba(31,184,205,.25);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: sticky;
  top: 6rem;
  overflow: hidden;
}
.about__card::before {
  content: '';
  position: absolute;
  top: -40%; right: -30%;
  width: 80%; height: 80%;
  background: radial-gradient(ellipse, rgba(31,184,205,.1) 0%, transparent 70%);
  pointer-events: none;
}

.about__card-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(31,184,205,.2);
  position: relative;
  z-index: 1;
}

/* Avatar con logo */
.about__avatar-wrap {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: rgba(31,184,205,.1);
  border: 1.5px solid rgba(31,184,205,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.about__avatar-logo {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}
/* fallback si no hay img */
.about__avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  flex-shrink: 0;
}

.about__card-header strong {
  display: block;
  font-weight: 600;
  color: var(--color-white);
  font-size: 0.95rem;
}
.about__card-header span {
  font-size: 0.73rem;
  color: rgba(255,255,255,.55);
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.about__tags li {
  background: rgba(31,184,205,.1);
  border: 1px solid rgba(31,184,205,.25);
  color: var(--color-accent-light);
  font-size: 0.73rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: 2rem;
  transition: all var(--transition);
}
.about__tags li:hover {
  background: rgba(31,184,205,.2);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.about__card-footer { position: relative; z-index: 1; }

/* ===================== FINANZAS ===================== */
.finanzas {
  padding: var(--section-py) 0;
  background: var(--color-light);
  border-top: 1px solid var(--color-border);
}

.finanzas__inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: center;
}

.finanzas__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}
.finanzas__text {
  font-size: 0.975rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.finanzas__content .btn { margin-top: 1rem; }

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

/* Logo grande como elemento visual */
.finanzas-badge {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 1px solid rgba(31,184,205,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    var(--shadow-xl),
    0 0 50px rgba(31,184,205,.12);
  animation: float1 6s ease-in-out infinite;
  overflow: hidden;
}
.finanzas-badge__logo {
  width: 150px;
  height: 150px;
  object-fit: contain;
}

/* ===================== RECURSOS / BLOG ===================== */
.recursos {
  padding: var(--section-py) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.recursos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.recurso-card {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.recurso-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(31,184,205,.3);
}

.recurso-card__tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}
.recurso-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
  line-height: 1.35;
  flex: 1;
}
.recurso-card__text {
  font-size: 0.83rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.recurso-card__link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap var(--transition);
}
.recurso-card__link:hover { color: var(--color-accent-dark); }
.recurso-card__link:hover span { transform: translateX(3px); }
.recurso-card__link span { transition: transform var(--transition); display: inline-block; }

/* ===================== FAQ ===================== */
.faq {
  padding: var(--section-py) 0;
  background: var(--color-light);
  border-top: 1px solid var(--color-border);
}

.faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item.is-open {
  border-color: rgba(31,184,205,.35);
  box-shadow: 0 2px 12px rgba(31,184,205,.08);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: background var(--transition);
}
.faq-item__question:hover { background: rgba(31,184,205,.04); }
.faq-item.is-open .faq-item__question { color: var(--color-accent-dark); }

.faq-item__icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--color-muted);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.faq-item.is-open .faq-item__icon { transform: rotate(180deg); color: var(--color-accent); }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.faq-item__answer p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.75;
}
.faq-item.is-open .faq-item__answer { max-height: 300px; }

/* ===================== CONTACTO ===================== */
.contact {
  padding: var(--section-py) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 5% 50%, rgba(31,184,205,.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(31,184,205,.06) 0%, transparent 60%);
  pointer-events: none;
}
.contact::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(31,184,205,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.contact__subtitle {
  font-size: 0.97rem;
  color: rgba(255,255,255,.62);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}
.contact__detail-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,.8);
  font-size: 0.92rem;
}
.contact__detail-item svg { width: 1.1rem; height: 1.1rem; flex-shrink: 0; color: var(--color-accent); }
.contact__detail-item a { color: rgba(255,255,255,.8); transition: color var(--transition); }
.contact__detail-item a:hover { color: var(--color-accent-light); }

/* Formulario */
.contact__form-wrap {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
}
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-dark);
  background: var(--color-light);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(31,184,205,.15);
  background: var(--color-white);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229,62,62,.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%235a7085' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='m19 9-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

.form-error { font-size: 0.75rem; color: #e53e3e; min-height: 1rem; display: block; }

.form-success {
  display: none;
  background: #f0fff4;
  border: 1px solid #9ae6b4;
  color: #276749;
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  text-align: center;
  margin-top: 0.5rem;
}
.form-success.is-visible { display: block; }

/* ===================== FOOTER ===================== */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.65);
  padding: 4rem 0 0;
  border-top: 1px solid rgba(31,184,205,.15);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.75rem;
}
.footer__logo-img {
  width: 2.2rem;
  height: 2.2rem;
  object-fit: contain;
  border-radius: 50%;
}
.footer__brand .logo-name {
  display: block;
  font-size: 1.3rem;
  color: var(--color-white);
}

.footer__tagline  { display: block; font-size: 0.78rem; color: var(--color-accent); margin-bottom: 0.2rem; }
.footer__speciality { display: block; font-size: 0.75rem; color: rgba(255,255,255,.42); margin-bottom: 1rem; font-style: italic; }
.footer__description { font-size: 0.85rem; line-height: 1.7; max-width: 300px; }

.footer__nav-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 1rem;
}

.footer__nav ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__nav a { font-size: 0.87rem; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer__nav a:hover { color: var(--color-accent); }

.footer__contact { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__contact p { font-size: 0.87rem; }
.footer__contact a { font-size: 0.87rem; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer__contact a:hover { color: var(--color-accent); }

.footer__bottom {
  padding: 1.5rem 0;
  text-align: center;
}
.footer__bottom p { font-size: 0.75rem; color: rgba(255,255,255,.28); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .authority__grid { grid-template-columns: repeat(3, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .differential__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__inner { grid-template-columns: 1fr; }
  .about__card { position: static; }
  .finanzas__inner { grid-template-columns: 1fr; }
  .finanzas__visual { display: none; }
  .recursos__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 3.5rem; }

  /* Menú mobile */
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    top: 4.5rem;
    left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.25rem;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1), opacity 0.35s ease, visibility 0.35s;
    box-shadow: var(--shadow-lg);
    z-index: 99;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; align-items: stretch; margin-right: 0; gap: 0; }
  .nav__link { padding: 0.7rem 0.5rem; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .nav__link::after { display: none; }
  .nav__cta { margin-top: 1rem; justify-content: center; }

  /* Hero */
  .hero { padding: 7rem 0 4rem; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__visual { height: 280px; }
  .hero-card { min-width: 150px; }
  .hero-card--1 { top: 0; left: 0; }
  .hero-card--2 { top: 0; right: 0; }
  .hero-card--3 { bottom: 0; left: 0; }
  .hero-card--4 { bottom: 0; right: 0; }
  .hero__central-badge { width: 100px; height: 100px; }
  .hero__logo-badge { width: 62px; height: 62px; }

  /* Authority */
  .authority__grid { grid-template-columns: repeat(2, 1fr); }
  .authority__grid > *:first-child { grid-column: 1 / -1; }

  /* Servicios */
  .services__grid { grid-template-columns: 1fr; }

  /* Online */
  .online__grid { grid-template-columns: 1fr; }

  /* Diferencial */
  .differential__blocks { grid-template-columns: 1fr; }

  /* Recursos */
  .recursos__grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .authority__grid { grid-template-columns: 1fr; }
  .authority__grid > *:first-child { grid-column: auto; }
  .contact__form-wrap { padding: 1.5rem; }
  .header__logo-text { display: none; }
}