/* ==========================================================================
   VALSOLITECH — HOJA DE ESTILOS PRINCIPAL
   Sistema de diseño basado en variables CSS. Sin frameworks externos.
   ========================================================================== */

/* ---------- 1. VARIABLES GLOBALES ---------- */
:root {
  /* Colores principales */
  --color-white: #FFFFFF;
  --color-blue: #2563EB;
  --color-blue-dark: #1E3A8A;
  --color-blue-light: #EFF4FF;
  --color-gray-light: #F5F7FA;
  --color-gray-mid: #E4E8EF;
  --color-gray-text: #5B6472;
  --color-gray-dark: #1B1F27;
  --color-black: #0B0D12;

  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-dark) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(30,58,138,0.04) 100%);
  --gradient-text: linear-gradient(135deg, #3B82F6 0%, #1E3A8A 100%);

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

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Bordes y sombras */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  --shadow-sm: 0 2px 8px rgba(11, 13, 18, 0.06);
  --shadow-md: 0 8px 30px rgba(11, 13, 18, 0.08);
  --shadow-lg: 0 20px 60px rgba(30, 58, 138, 0.12);
  --shadow-glow: 0 0 0 1px rgba(37,99,235,0.08), 0 20px 60px rgba(37,99,235,0.15);

  /* Transiciones */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease);
  --transition-med: 0.4s var(--ease);
  --transition-slow: 0.7s var(--ease);

  --container-width: 1180px;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-gray-dark);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-black);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.hide-mobile { display: inline; }

/* ---------- 3. UTILIDADES ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-blue);
  background: var(--color-blue-light);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.section-head {
  max-width: 680px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-gray-text);
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px rgba(37,99,235,0.28);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-gray-dark);
  border: 1px solid var(--color-gray-mid);
}

.btn--secondary:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  transform: translateY(-2px);
}

.btn--large {
  padding: 1.1rem 2.4rem;
  font-size: 1.05rem;
}

.btn--full { width: 100%; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* ---------- 4. NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: padding var(--transition-med), background var(--transition-med), box-shadow var(--transition-med);
}

.navbar.is-scrolled {
  padding: 0.7rem 0;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(11,13,18,0.06), 0 12px 30px rgba(11,13,18,0.05);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-black);
}

.navbar__brand strong { font-weight: 800; }

.navbar__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-dark);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
}

.navbar__link:hover { color: var(--color-blue); }
.navbar__link:hover::after { width: 100%; }

.navbar__link--cta {
  background: var(--gradient-primary);
  color: var(--color-white) !important;
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-full);
}

.navbar__link--cta::after { display: none; }
.navbar__link--cta:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow); }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}

.navbar__toggle span {
  height: 2px;
  width: 100%;
  background: var(--color-gray-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  overflow: hidden;
  background: linear-gradient(180deg, #FAFBFF 0%, #FFFFFF 60%);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
  pointer-events: none;
}

.hero__glow--one {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(37,99,235,0.18), transparent 70%);
  top: -120px;
  right: -100px;
}

.hero__glow--two {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(30,58,138,0.14), transparent 70%);
  bottom: -80px;
  left: -80px;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-gray-text);
  max-width: 540px;
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero__trust {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  flex-direction: column;
}

.hero__trust-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__trust-label {
  font-size: 0.85rem;
  color: var(--color-gray-text);
}

/* Visual del hero */
.hero__visual {
  position: relative;
  height: 420px;
}

.hero__card {
  position: absolute;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: var(--shadow-lg);
}

.hero__card--main {
  inset: 20px 10px 40px 40px;
  padding: 2rem;
  background: var(--gradient-primary);
  overflow: hidden;
}

.hero__card-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  margin-right: 6px;
}

.hero__card-line {
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.25);
  margin-top: 1.6rem;
}

.hero__card-line--1 { width: 80%; }
.hero__card-line--2 { width: 60%; margin-top: 0.8rem; }
.hero__card-line--3 { width: 70%; margin-top: 0.8rem; }

.hero__card-badge {
  position: absolute;
  bottom: 1.8rem;
  left: 2rem;
  right: 2rem;
  background: rgba(255,255,255,0.16);
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
}

.hero__card--floating {
  padding: 0.8rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: floatY 5s ease-in-out infinite;
}

.hero__card--float-1 {
  top: 0;
  right: 0;
  animation-delay: 0s;
}

.hero__card--float-2 {
  bottom: 10px;
  left: -10px;
  animation-delay: 1.5s;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 38px;
  border: 2px solid var(--color-gray-mid);
  border-radius: var(--radius-full);
  z-index: 1;
}

.hero__scroll span {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-blue);
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { opacity: 1; top: 6px; }
  70% { opacity: 0; top: 18px; }
  100% { opacity: 0; top: 6px; }
}

/* ---------- 6. NOSOTROS ---------- */
.about { padding: var(--space-2xl) 0; }

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

.about__card {
  padding: 2rem 1.6rem;
  background: var(--color-gray-light);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-med), box-shadow var(--transition-med), background var(--transition-med);
}

.about__card:hover {
  transform: translateY(-6px);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.about__icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.about__card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.about__card p {
  color: var(--color-gray-text);
  font-size: 0.95rem;
}

.mv__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.mv__card {
  padding: 2.4rem;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.mv__card--mission {
  background: var(--gradient-primary);
  color: var(--color-white);
}

.mv__card--vision {
  background: var(--color-gray-dark);
  color: var(--color-white);
}

.mv__icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 1rem;
}

.mv__card h3 {
  color: var(--color-white);
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
}

.mv__card p {
  color: rgba(255,255,255,0.88);
  font-size: 0.98rem;
}

/* ---------- 7. SERVICIOS ---------- */
.services {
  padding: var(--space-2xl) 0;
  background: var(--color-gray-light);
}

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

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-gray-mid);
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card__icon {
  font-size: 1.9rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.service-card__problem {
  font-weight: 600;
  color: var(--color-blue-dark);
  font-size: 0.92rem;
  margin-bottom: 0.6rem;
}

.service-card > p:not(.service-card__problem) {
  color: var(--color-gray-text);
  font-size: 0.94rem;
  margin-bottom: 1rem;
}

.service-card__benefits {
  margin-bottom: 1.4rem;
  flex-grow: 1;
}

.service-card__benefits li {
  font-size: 0.88rem;
  color: var(--color-gray-dark);
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.service-card__benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: 700;
}

.service-card__cta {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-blue);
  transition: gap var(--transition-fast);
}

.service-card__cta:hover { text-decoration: underline; }

/* ---------- 8. POR QUÉ ELEGIRNOS ---------- */
.why { padding: var(--space-2xl) 0; }

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why__item { text-align: left; }

.why__icon {
  font-size: 1.7rem;
  margin-bottom: 0.8rem;
}

.why__item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.why__item p {
  color: var(--color-gray-text);
  font-size: 0.95rem;
}

/* ---------- 9. PROCESO ---------- */
.process {
  padding: var(--space-2xl) 0;
  background: var(--color-gray-dark);
  color: var(--color-white);
}

.process .eyebrow {
  background: rgba(255,255,255,0.1);
  color: #93C5FD;
}

.process .section-title,
.process .section-desc { color: var(--color-white); }

.process .section-desc { color: rgba(255,255,255,0.65); }

.process__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.process__step {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: background var(--transition-med), transform var(--transition-med);
}

.process__step:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-4px);
}

.process__number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 0.8rem;
}

.process__step h3 {
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.process__step p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* ---------- 10. TECNOLOGÍAS ---------- */
.stack {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-gray-mid);
}

.stack__label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-gray-text);
  margin-bottom: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stack__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

.stack__list span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-gray-text);
  background: var(--color-gray-light);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
}

/* ---------- 11. FAQ ---------- */
.faq { padding: var(--space-2xl) 0; }

.faq__list {
  max-width: 760px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-gray-mid);
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 0.2rem;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-gray-dark);
}

.faq__icon {
  font-size: 1.4rem;
  color: var(--color-blue);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq__question[aria-expanded="true"] .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-med), padding var(--transition-med);
}

.faq__item.is-open .faq__answer {
  max-height: 240px;
  padding-bottom: 1.4rem;
}

.faq__answer p {
  color: var(--color-gray-text);
  font-size: 0.95rem;
  padding-right: 2rem;
}

/* ---------- 12. CTA FINAL ---------- */
.cta-final {
  padding: var(--space-2xl) 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 70%);
  top: -200px;
  right: -100px;
}

.cta-final__inner {
  text-align: center;
  max-width: 680px;
}

.cta-final h2 {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 1rem;
}

.cta-final p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.cta-final .btn--primary {
  background: var(--color-white);
  color: var(--color-blue-dark);
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.cta-final .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);
}

/* ---------- 13. CONTACTO ---------- */
.contact { padding: var(--space-2xl) 0; }

.contact__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  align-items: flex-start;
}

.contact__info .section-head {
  margin: 0 0 var(--space-lg);
  text-align: left;
  max-width: none;
}

.contact__list { margin-top: var(--space-lg); }

.contact__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.4rem;
}

.contact__icon {
  font-size: 1.3rem;
  background: var(--color-blue-light);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__list strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.contact__list a,
.contact__list span {
  color: var(--color-gray-text);
  font-size: 0.95rem;
}

.contact__list a:hover { color: var(--color-blue); }

.contact__form {
  background: var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form__group { display: flex; flex-direction: column; gap: 0.4rem; }
.form__group--full { grid-column: 1 / -1; }

.form__group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-gray-dark);
}

.form__group input,
.form__group select,
.form__group textarea {
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-mid);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  outline: none;
}

.form__group textarea { resize: vertical; min-height: 100px; }

.form__group.has-error input,
.form__group.has-error select,
.form__group.has-error textarea {
  border-color: #DC2626;
}

.form__error {
  font-size: 0.8rem;
  color: #DC2626;
  min-height: 1em;
}

.contact__form .btn { grid-column: 1 / -1; margin-top: 0.6rem; }

.form__note {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2em;
}

.form__note.success { color: #16A34A; }
.form__note.error { color: #DC2626; }

/* ---------- 14. FOOTER ---------- */
.footer {
  background: var(--color-gray-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-xl) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand span {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-white);
}

.footer__brand p {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  max-width: 280px;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer__nav a:hover { color: var(--color-white); }

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer__contact a:hover { color: var(--color-white); }

.footer__bottom {
  text-align: center;
  padding: 1.4rem 0;
  font-size: 0.85rem;
}

/* ---------- 15. WHATSAPP FLOTANTE ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  z-index: 999;
  animation: whatsappPop 0.6s var(--ease) 1.2s backwards, whatsappPulse 2.4s ease-in-out 2s infinite;
}

.whatsapp-float:hover { transform: scale(1.08); }

@keyframes whatsappPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 10px rgba(37, 211, 102, 0.15); }
}

/* ---------- 16. RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .process__list { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .contact__grid { grid-template-columns: 1fr; }
  .mv__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hide-mobile { display: none; }

  .navbar__nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--color-white);
    box-shadow: -10px 0 40px rgba(0,0,0,0.12);
    transform: translateX(100%);
    transition: transform var(--transition-med);
    padding: 6rem 2rem 2rem;
    z-index: 999;
  }

  .navbar__nav.is-open { transform: translateX(0); }

  .navbar__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .navbar__toggle { display: flex; }

  .about__grid,
  .services__grid,
  .process__list,
  .why__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner { grid-template-columns: 1fr; text-align: left; }

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

  .hero { padding-top: 6.5rem; }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 1.2rem;
    right: 1.2rem;
  }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .hero__trust { gap: var(--space-md); }
}