/* ==========================================
   RESET Y BASE
========================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  background-color: #020617;
  color: white;
  min-height: 100vh;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ==========================================
   VARIABLES
========================================== */
:root {
  --bg:       #020617;
  --bg-alt:   #030b1a;
  --bg-card:  #050416;
  --cyan:     #29D9C2;
  --blue:     #004AAD;
  --mid-blue: #0097B2;
  --grad-primary: linear-gradient(180deg, #004AAD 0%, #0097B2 31%, #29D9C2 100%);
  --grad-module:  linear-gradient(to right, #F99B06 0%, #7F2191 35%, #004AAD 65%, #29D9C2 100%);
  --shadow-cyan:  0 0 25px rgba(34,211,238,0.45);
}

/* ==========================================
   UTILIDADES COMPARTIDAS
========================================== */
.gradient-text {
  background: var(--grad-module);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: block;
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-weight: 800;
  opacity: 0.8;
  margin-bottom: 1rem;
}

/* ==========================================
   HEADER
========================================== */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 120;
  background: rgba(2,6,23,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header__logo img {
  height: 5rem;
  width: auto;
  object-fit: contain;
  transition: opacity 0.3s;
}
.header__logo:hover img { opacity: 0.8; }

.header__nav { display: none; }
.header__nav ul { display: flex; gap: 1.5rem; align-items: center; }
.header__nav a {
  font-size: 0.875rem;
  color: white;
  white-space: nowrap;
  transition: color 0.2s;
}
.header__nav a:hover { color: var(--cyan); }

.header__actions { display: none; align-items: center; gap: 0.75rem; }

.btn-outline-cyan {
  padding: 0.5rem 1rem;
  border: 1px solid var(--cyan);
  border-radius: 9999px;
  font-size: 10px;
  color: var(--cyan);
  text-transform: uppercase;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.3s;
}
.btn-outline-cyan:hover { background: rgba(41,217,194,0.1); }

.btn-outline-white {
  padding: 0.5rem 1rem;
  border: 1px solid white;
  border-radius: 9999px;
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
  color: white;
}

.menu-toggle {
  background: none;
  border: none;
  color: white;
  padding: 0.5rem;
  z-index: 130;
  position: relative;
  transition: transform 0.2s;
}
.menu-toggle:active { transform: scale(0.9); }

/* ==========================================
   MENÚ MÓVIL
========================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; }
.mobile-menu nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.mobile-menu ul {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}
.mobile-menu li:first-child { margin-bottom: 1rem; }
.mobile-menu .btn-outline-cyan {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 0.875rem;
}
.mobile-menu .nav-link {
  display: block;
  padding: 1rem;
  font-size: 1.125rem;
  color: white;
  font-weight: 500;
}
.mobile-menu .btn-primary-full {
  display: block;
  width: 100%;
  padding: 0.5rem;
  border-radius: 9999px;
  background: linear-gradient(to right, #06b6d4, #14b8a6);
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
  margin-top: 3rem;
}

/* Espaciador para el header fijo */
.header-spacer { height: 5rem; }

/* ==========================================
   BOTONES COMPARTIDOS
========================================== */
.btn-demo {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.5rem 2.5rem;
  border-radius: 9999px;
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
  background: var(--grad-primary);
  box-shadow: var(--shadow-cyan);
  transition: transform 0.3s;
}
.btn-demo:hover { transform: scale(1.05); }
.btn-demo__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  background: #f97316;
  color: white;
  flex-shrink: 0;
}
.btn-modules {
  display: inline-block;
  padding: 0.75rem 2.5rem;
  border-radius: 9999px;
  border: 1px solid var(--cyan);
  color: #67e8f9;
  transition: all 0.3s;
}
.btn-demo-teal {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.5rem 2.5rem;
  border-radius: 9999px;
  color: white;
  font-weight: 600;
  background: linear-gradient(to right, #06b6d4, #14b8a6);
  box-shadow: var(--shadow-cyan);
  transition: transform 0.3s;
}
.btn-demo-teal:hover { transform: scale(1.05); }

/* ==========================================
   HERO
========================================== */
.hero {
  background: var(--bg);
  padding: 2rem 0;
  overflow: hidden;
}
.hero__tagline {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9ca3af;
  white-space: nowrap;
  padding: 1rem 1rem;
  margin-bottom: 1rem;
}
.hero__tagline-sep { margin: 0 0.5rem; font-weight: 700; font-size: 12px; }

.hero__grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 2.5rem;
  position: relative;
  min-height: 700px;
  padding: 0 1rem;
}
.hero__brain { display: flex; justify-content: center; }
.hero__brain img { width: 420px; max-width: none; pointer-events: none; }

.hero__content { text-align: center; padding: 0 1.5rem; position: relative; z-index: 10; }
.hero__h1 { font-size: 3rem; font-weight: 700; line-height: 1.1; }
.hero__h1 .line-white { color: white; display: block; }
.hero__h1 .line-cyan  { color: var(--cyan); display: block; }
.hero__lead {
  margin-top: 2rem;
  font-size: 1.25rem;
  color: #d1d5db;
  line-height: 1.7;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}
.hero__lead span { color: var(--cyan); }
.hero__cta {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.hero__numbers { display: none; justify-content: flex-end; }
.hero__numbers img { width: 420px; max-width: none; }

/* Stats bar */
.stats-bar { max-width: 1200px; margin: 3rem auto 0; padding: 0 0.5rem; }
.stats-bar__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  text-align: center;
  border-radius: 1rem;
  padding: 2rem;
  color: white;
  background: var(--grad-primary);
  box-shadow: 0 10px 40px rgba(0,151,178,0.3);
}
.stats-bar__item { padding: 0 1rem; }
.stats-bar__item + .stats-bar__item { border-left: 1px solid rgba(255,255,255,0.3); }
.stats-bar__number { font-size: 3rem; font-weight: 700; }
.stats-bar__label { font-size: 0.75rem; letter-spacing: 0.1em; margin-top: 0.5rem; }

/* ==========================================
   QUÉ ES SMARTFORGE
========================================== */
.que-es {
  background: var(--bg-alt);
  padding: 2.5rem 0 2rem;
  overflow: hidden;
}
.que-es__header {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
  position: relative;
  z-index: 30;
  margin-bottom: 2rem;
}
.que-es__h2 { font-size: 1.875rem; font-weight: 700; color: white; line-height: 1.2; }
.que-es__lead {
  max-width: 48rem;
  margin: 1.5rem auto 0;
  font-size: 1rem;
  font-weight: 500;
  color: #d1d5db;
  line-height: 1.7;
}
.que-es__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.que-es__bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 10;
}
.que-es__bg img {
  width: 100%;
  max-width: 1250px;
  opacity: 0.2;
  mix-blend-mode: lighten;
  filter: brightness(1.25);
  transform: scale(1.5);
}

/* Tarjetas módulos */
.modules-desktop { display: none; }
.modules-mobile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 20;
  width: 100%;
  max-width: 64rem;
  margin: 1.5rem auto 0;
}

.module-wrap {
  padding: 1px;
  border-radius: 2rem;
  background: var(--grad-module);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.module-card {
  border-radius: 1.9rem;
  display: flex;
  flex-direction: column;
  text-align: left;
  background: rgba(3,11,26,0.95);
  backdrop-filter: blur(24px);
  padding: 1.75rem;
  height: 100%;
}
.module-card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  border-radius: 9999px;
  color: white;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.module-card__title { font-size: 1.25rem; font-weight: 700; color: white; line-height: 1.2; }
.module-card__subtitle {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  margin-top: 0.2rem;
  line-height: 1.2;
}
.module-card__desc {
  font-size: 0.875rem;
  color: white;
  opacity: 0.9;
  line-height: 1.6;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}
.module-card__list {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.module-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22d3ee;
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 8px rgba(34,211,238,0.4);
}

/* ==========================================
   CÓMO FUNCIONA
========================================== */
.como-funciona {
  background: var(--bg);
  padding: 3rem 0;
  overflow: hidden;
}
.como-funciona__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}
.como-funciona__header { text-align: center; margin-bottom: 4rem; }
.como-funciona__h2 { font-size: 2rem; font-weight: 700; color: white; line-height: 1.2; }

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.step-wrap {
  position: relative;
  padding: 1px;
  border-radius: 32px;
  display: flex;
  background: var(--grad-primary);
  box-shadow: 0 10px 40px rgba(0,151,178,0.15);
}
.step-card {
  position: relative;
  border-radius: 31px;
  padding: 2rem;
  min-height: 340px;
  background: var(--bg-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
}
.step-card__glow-top {
  position: absolute;
  top: -6rem; right: -6rem;
  width: 12rem; height: 12rem;
  background: var(--cyan);
  opacity: 0.2;
  filter: blur(60px);
}
.step-card__glow-bot {
  position: absolute;
  bottom: -6rem; left: -6rem;
  width: 12rem; height: 12rem;
  background: var(--blue);
  opacity: 0.2;
  filter: blur(60px);
}
.step-card__num {
  position: relative;
  margin-bottom: 2rem;
}
.step-num-ring {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem; height: 2.75rem;
  border-radius: 50%;
  padding: 1px;
  background: var(--grad-primary);
  box-shadow: 0 0 15px rgba(34,211,238,0.2);
}
.step-num-ring__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  background: var(--bg-card);
  border-radius: 50%;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
}
.step-card__title {
  position: relative;
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.3;
  margin-bottom: 1rem;
  min-height: 60px;
  display: flex;
  align-items: flex-start;
}
.step-card__desc {
  position: relative;
  color: #d1d5db;
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.9;
}

/* Comparación antes/después */
.comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 4rem;
  position: relative;
  z-index: 20;
}
.comparison__arrow {
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.875rem;
  color: rgba(255,255,255,0.3);
}
.comparison__box {
  text-align: center;
  border-radius: 0.75rem;
  padding: 1.75rem 2rem;
  color: white;
}
.comparison__box--before {
  background: linear-gradient(90deg, #F99B06 0%, #F99B06 31%, #F57575 100%);
  box-shadow: 0 10px 30px rgba(249,155,6,0.25);
}
.comparison__box--after {
  background: linear-gradient(90deg, #004AAD 0%, #0097B2 31%, #29D9C2 100%);
  box-shadow: 0 10px 40px rgba(0,151,178,0.35);
}
.comparison__label {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 13px;
  margin-bottom: 0.5rem;
}
.comparison__text { font-size: 15px; opacity: 0.95; }

/* ==========================================
   SOLUCIÓN
========================================== */
.solucion {
  background: var(--bg);
  padding: 3rem 0 6rem;
  overflow: hidden;
  position: relative;
}
.solucion__inner {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
  position: relative;
  z-index: 10;
}
.solucion__h2 { font-size: 2.5rem; font-weight: 700; color: white; line-height: 1.2; }
.solucion__lead {
  margin: 1rem auto 0;
  color: #9ca3af;
  font-size: 1rem;
  max-width: 42rem;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.feature-wrap {
  position: relative;
  padding: 1px;
  border-radius: 1rem;
  display: flex;
  background: var(--grad-primary);
  box-shadow: 0 10px 30px rgba(0,151,178,0.15);
}
.feature-card {
  background: var(--bg-card);
  border-radius: 15px;
  padding: 1.5rem 2rem;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}
.feature-card__icon { height: 3rem; display: flex; align-items: center; margin-bottom: 1.5rem; }
.feature-card__icon img { width: 3rem; height: 3rem; object-fit: contain; }
.feature-card__title { color: white; font-weight: 700; font-size: 1.125rem; margin-bottom: 0.75rem; }
.feature-card__desc { color: #d1d5db; font-size: 0.875rem; font-weight: 300; line-height: 1.6; }

/* ==========================================
   BENEFICIOS
========================================== */
.beneficios {
  background: var(--bg);
  padding: 5rem 0;
  overflow: hidden;
}
.beneficios__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}
.beneficios__h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: white;
  line-height: 1.1;
  margin-bottom: 6rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.benefit-card {
  position: relative;
  padding: 4rem 2rem 2.5rem;
  border-radius: 2rem;
  background: rgba(5,4,22,0.8);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(103,232,249,0.3);
  text-align: center;
}
.benefit-card__icon-wrap {
  position: absolute;
  left: 50%;
  top: -1.75rem;
  transform: translateX(-50%);
  z-index: 20;
}
.benefit-card__ring {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem; height: 3.5rem;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, #62489A 0%, #29D9C2 100%);
  box-shadow: 0 10px 30px rgba(41,217,194,0.3);
}
.benefit-card__ring__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  background: var(--bg-card);
  border-radius: 50%;
}
.benefit-card__ring__inner img,
.benefit-card__ring__inner svg {
  width: 1.5rem; height: 1.5rem;
  object-fit: contain;
}
.benefit-card__title {
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.3;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.benefit-card__desc { color: #9ca3af; font-size: 14px; line-height: 1.6; }

/* ==========================================
   PARA QUIÉN
========================================== */
.para-quien {
  background: var(--bg);
  padding: 0.25rem 0;
  overflow: hidden;
}
.para-quien__inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.para-quien__top {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-bottom: 5rem;
}
.para-quien__h2 { font-size: 2.25rem; font-weight: 700; color: white; line-height: 1.2; }
.para-quien__lead { margin-top: 1.5rem; color: #d1d5db; font-size: 1.125rem; max-width: 36rem; }

.target-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.target-card {
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(34,211,238,0.4);
  backdrop-filter: blur(4px);
  background: rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
}
.target-card__role {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #22d3ee;
  margin-bottom: 1.5rem;
}
.target-card__role svg { width: 1.25rem; height: 1.25rem; flex-shrink: 0; }
.target-card__role span { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
.target-card__title { color: white; font-weight: 600; font-size: 0.875rem; margin-bottom: 1rem; }
.target-card__desc { color: #d1d5db; font-size: 0.875rem; line-height: 1.6; margin-bottom: 1.5rem; flex: 1; }
.target-card__img { overflow: hidden; border-radius: 0.5rem; }
.target-card__img img { width: 100%; height: 13rem; object-fit: cover; }

/* ==========================================
   CTA
========================================== */
.cta-section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section__wave {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.5;
  pointer-events: none;
}
.cta-section__wave--left { left: 0; }
.cta-section__wave--right { right: 0; }
.cta-section__inner {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}
.cta-section__h2 { font-size: 3rem; font-weight: 700; color: white; line-height: 1.2; }
.cta-section__h2 span { color: var(--cyan); }
.cta-section__lead { margin-top: 1.5rem; color: #d1d5db; font-size: 1.125rem; }
.cta-section__btn { margin-top: 2.5rem; display: flex; justify-content: center; }
.cta-section__tag {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cyan);
}

/* ==========================================
   FORMULARIO
========================================== */
.formulario {
  padding: 0.5rem 0;
  position: relative;
  background-size: cover;
  background-position: center;
}
.formulario__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}
.formulario__logo { display: flex; justify-content: center; margin-bottom: 1.5rem; }
.formulario__logo img { width: 4rem; height: 4rem; }
.formulario__h2 { font-size: 1.875rem; font-weight: 700; color: white; }
.formulario__lead { color: #d1d5db; margin-top: 0.75rem; font-size: 0.875rem; }

.formulario__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3.5rem;
  align-items: center;
}
.form { display: flex; flex-direction: column; gap: 1rem; text-align: left; }
.form__input {
  width: 100%;
  padding: 0.75rem 1.25rem;
  border-radius: 9999px;
  background: transparent;
  border: 1px solid #6b7280;
  color: white;
  outline: none;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form__input--first { border-color: var(--cyan); }
.form__input:focus { border-color: var(--cyan); box-shadow: 0 0 15px rgba(34,211,238,0.45); }
.form__input::placeholder { color: rgba(255,255,255,0.5); }
.form__submit {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  border-radius: 9999px;
  border: none;
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(to right, #06b6d4, #14b8a6);
  box-shadow: var(--shadow-cyan);
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}
.form__submit:hover { transform: scale(1.03); box-shadow: 0 0 35px rgba(34,211,238,0.65); }

.formulario__brand { display: flex; flex-direction: column; align-items: center; }
.formulario__brand img { width: 10rem; margin-bottom: 2.5rem; transform: scale(1.5); }
.formulario__brand p { color: #d1d5db; font-size: 0.875rem; letter-spacing: 0.05em; }

/* Footer */
.footer {
  margin-top: 5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem;
}
.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: #d1d5db;
  text-align: center;
}
.footer__product span { color: var(--cyan); }
.footer__links { display: flex; align-items: center; gap: 1.5rem; }
.footer__links a { transition: color 0.2s; }
.footer__links a:hover { color: var(--cyan); }

/* ==========================================
   BOTÓN SCROLL
========================================== */
.scroll-btn {
  position: fixed;
  bottom: 1.25rem; right: 1rem;
  z-index: 50;
  padding: 0.5rem;
  border-radius: 50%;
  border: none;
  color: white;
  background: var(--grad-primary);
  box-shadow: var(--shadow-cyan);
  transition: opacity 0.5s, transform 0.5s;
  opacity: 0;
  transform: translateY(40px);
  pointer-events: none;
}
.scroll-btn.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-btn:hover { transform: scale(1.1); }

/* ==========================================
   RESPONSIVE — sm (640px)
========================================== */
@media (min-width: 640px) {
  .hero__tagline { font-size: 1rem; letter-spacing: 0.3em; }
  .hero__tagline-sep { margin: 0 1rem; }
  .modules-mobile { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .que-es__h2 { font-size: 3rem; }
  .que-es__bg img { opacity: 0.3; }
}

/* ==========================================
   RESPONSIVE — md (768px)
========================================== */
@media (min-width: 768px) {
  .header-spacer { height: 3.5rem; }
  .header__logo img { height: 3.5rem; }

  .hero__grid { grid-template-columns: 1fr 1.3fr 1fr; }
  .hero__brain img {
    width: 660px;
    position: absolute;
    left: -280px;
    top: 37%;
    transform: translateY(-50%);
    z-index: 0;
  }
  .hero__numbers { display: flex; }
  .hero__tagline { margin-top: 4rem; margin-bottom: -2.5rem; }
  .stats-bar { margin-top: -3rem; padding: 0 1.5rem; }
  .stats-bar__grid { grid-template-columns: repeat(4, 1fr); }

  .steps-grid { grid-template-columns: 1fr 1fr; }
  .comparison { grid-template-columns: 1fr auto 1fr; }
  .comparison__arrow { display: flex; }

  .feature-grid { grid-template-columns: 1fr 1fr; }
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .beneficios__h2 { font-size: 2.5rem; }

  .target-grid { grid-template-columns: repeat(3, 1fr); }
  .para-quien__top { flex-direction: row; align-items: center; justify-content: space-between; }
  .para-quien__h2 { font-size: 3rem; }

  .formulario__h2 { font-size: 2.25rem; }
  .formulario__logo img { width: 5rem; height: 5rem; }
  .formulario__lead { font-size: 1rem; }
  .formulario__grid { grid-template-columns: 1fr 1fr; }
  .form__input { padding: 1rem 1.25rem; }
  .form__submit { padding: 1rem; font-size: 1rem; }

  .footer__inner { flex-direction: row; justify-content: space-between; text-align: left; }
  .scroll-btn { bottom: 2rem; right: 2rem; padding: 0.75rem; }
}

/* ==========================================
   RESPONSIVE — lg (1024px)
========================================== */
@media (min-width: 1024px) {
  .header__logo img { height: 6rem; }
  .header-spacer { height: 6rem; }
  .header__nav { display: flex; flex: 1; justify-content: center; padding: 0 1rem; }
  .header__nav a { font-size: 1rem; }
  .header__actions { display: flex; }
  .menu-toggle { display: none; }
  .mobile-menu { display: none !important; }

  .modules-desktop {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    gap: 1.5rem;
    position: relative;
    z-index: 20;
    width: 100%;
    padding: 0 1rem;
    margin-top: 2rem;
  }
  .modules-desktop .module-wrap { width: 280px; flex-shrink: 0; }
  .modules-desktop .module-card { padding: 2rem; }
  .modules-mobile { display: none; }

  .steps-grid { grid-template-columns: repeat(5, 1fr); }
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
  .benefit-grid { grid-template-columns: repeat(4, 1fr); }
  .beneficios__h2 { font-size: 3rem; }
  .solucion__h2 { font-size: 3rem; }
  .como-funciona__h2 { font-size: 3rem; }
}

/* ==========================================
   RESPONSIVE — xl (1280px)
========================================== */
@media (min-width: 1280px) {
  .header__nav ul { gap: 3rem; }
  .header__nav a { font-size: 1.25rem; }
  .btn-outline-cyan, .btn-outline-white { font-size: 1rem; }
  .hero__brain img { left: -200px; }
}