/* ================================================
   AOUDAD AI - Estilos principales
   Tema: Oscuro / Dark
   ================================================ */

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

:root {
  /* Colores principales */
  --clr-bg: #0a0a0f;
  --clr-bg-alt: #12121a;
  --clr-surface: #1a1a25;
  --clr-surface-hover: #22222f;
  --clr-border: #2a2a3a;
  --clr-border-light: #3a3a4a;

  /* Acentos - Verde Esmeralda (match logo) */
  --clr-primary: #2ecc71;
  --clr-primary-light: #55efc4;
  --clr-primary-dark: #1a9c5a;
  --clr-accent: #00b894;
  --clr-gradient: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary), var(--clr-primary-light));

  /* Texto */
  --clr-text: #e8e8f0;
  --clr-text-muted: #9595a8;
  --clr-text-dim: #6b6b80;

  /* Tipografía */
  --ff-body: 'Inter', system-ui, -apple-system, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;
  --fs-5xl: 4rem;

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Bordes */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 50%;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(46, 204, 113, 0.15);

  /* Transiciones */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 4rem;
}

/* ---- Base ---- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* ---- Utilidades ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section__tag {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.section__title {
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.section__description {
  font-size: var(--fs-md);
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--clr-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(46, 204, 113, 0.45);
}

.btn--outline {
  border: 1.5px solid var(--clr-border-light);
  color: var(--clr-text);
}

.btn--outline:hover {
  border-color: var(--clr-primary-light);
  color: var(--clr-primary-light);
  transform: translateY(-2px);
}

.btn--lg {
  font-size: var(--fs-base);
  padding: 0.85rem 2rem;
}

/* ================================================
   HEADER
   ================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--clr-border);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-text);
  z-index: 1001;
}

.nav__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.nav__logo-icon {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-gradient);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-text);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: var(--fs-xl);
  color: var(--clr-text);
}

.nav__cta {
  font-size: var(--fs-sm);
}

/* ---- Nav Mobile ---- */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--clr-bg-alt);
    border-left: 1px solid var(--clr-border);
    padding: var(--space-5xl) var(--space-xl) var(--space-xl);
    transition: var(--transition-slow);
    z-index: 1000;
  }

  .nav__menu--open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xl);
  }

  .nav__link {
    font-size: var(--fs-lg);
  }

  .nav__toggle {
    display: block;
  }

  .nav__close {
    display: block;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: var(--fs-xl);
  }

  .nav__cta {
    display: none;
  }
}

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-4xl);
  text-align: center;
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(46, 204, 113, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 0.4rem 1.2rem;
  font-size: var(--fs-sm);
  color: var(--clr-primary-light);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease forwards;
}

.hero__title {
  font-size: clamp(var(--fs-3xl), 5.5vw, var(--fs-5xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero__description {
  font-size: clamp(var(--fs-base), 2vw, var(--fs-md));
  color: var(--clr-text-muted);
  max-width: 620px;
  margin: 0 auto var(--space-2xl);
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s forwards;
  opacity: 0;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: 800;
  background: var(--clr-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__stat-label {
  font-size: var(--fs-sm);
  color: var(--clr-text-dim);
}

/* ================================================
   SERVICIOS
   ================================================ */
.services {
  padding: var(--space-5xl) 0;
  text-align: center;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: left;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--clr-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.service-card--featured {
  border-color: var(--clr-primary);
  background: linear-gradient(180deg, rgba(46, 204, 113, 0.05) 0%, var(--clr-surface) 100%);
}

.service-card__badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: var(--clr-gradient);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-xl);
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(46, 204, 113, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-xl);
  color: var(--clr-primary-light);
}

.service-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-card__description {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.service-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

.service-card__features li i {
  color: var(--clr-accent);
  font-size: var(--fs-base);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-primary-light);
  transition: var(--transition);
}

.service-card__link:hover {
  gap: var(--space-sm);
  color: #fff;
}

/* ================================================
   NOSOTROS
   ================================================ */
.about {
  padding: var(--space-5xl) 0;
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about__text {
  color: var(--clr-text-muted);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.about__feature {
  display: flex;
  gap: var(--space-md);
}

.about__feature-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(46, 204, 113, 0.1);
  border-radius: var(--radius-sm);
  font-size: var(--fs-lg);
  color: var(--clr-primary-light);
}

.about__feature-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.about__feature-text {
  font-size: var(--fs-xs);
  color: var(--clr-text-dim);
}

/* Plotly interactive chart */
.about__visual {
  display: flex;
  justify-content: center;
}

.about__chart-container {
  width: 100%;
  max-width: 500px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--clr-bg-alt);
  border-bottom: 1px solid var(--clr-border);
}

.about__chart-header-dots {
  display: flex;
  gap: 6px;
}

.about__chart-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.about__chart-dot--red { background: #ff5f56; }
.about__chart-dot--yellow { background: #ffbd2e; }
.about__chart-dot--green { background: #27c93f; }

.about__chart-header-title {
  font-size: var(--fs-xs);
  color: var(--clr-text-dim);
  font-weight: 500;
}

#plotly-chart {
  width: 100%;
  height: 320px;
}

/* Hero logo floating */
.hero__logo {
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 0.5s ease forwards, floatLogo 4s ease-in-out infinite 0.5s;
  filter: drop-shadow(0 0 40px rgba(46, 204, 113, 0.35));
}

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

@media (max-width: 768px) {
  .about__container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  .about__visual {
    order: -1;
  }
}

/* ================================================
   PROCESO
   ================================================ */
.process {
  padding: var(--space-5xl) 0;
  text-align: center;
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
}

.process__step {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: left;
  transition: var(--transition);
}

.process__step:hover {
  border-color: var(--clr-primary);
  transform: translateY(-4px);
}

.process__number {
  font-size: var(--fs-3xl);
  font-weight: 800;
  background: var(--clr-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-md);
}

.process__step-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.process__step-text {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ================================================
   CTA
   ================================================ */
.cta {
  padding: var(--space-5xl) 0;
}

.cta__container {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl) var(--space-2xl);
  text-align: center;
  overflow: hidden;
}

.cta__glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(46, 204, 113, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta__title {
  font-size: clamp(var(--fs-xl), 3.5vw, var(--fs-3xl));
  font-weight: 800;
  margin-bottom: var(--space-md);
  position: relative;
}

.cta__text {
  font-size: var(--fs-md);
  color: var(--clr-text-muted);
  max-width: 520px;
  margin: 0 auto var(--space-2xl);
  position: relative;
}

.cta__actions {
  position: relative;
}

/* ================================================
   CONTACTO
   ================================================ */
.contact {
  padding: var(--space-5xl) 0;
  text-align: center;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-3xl);
  text-align: left;
}

.contact__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--clr-text-muted);
}

.form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  transition: var(--transition);
}

.form__input::placeholder {
  color: var(--clr-text-dim);
}

.form__input:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.15);
}

.form__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239595a8' viewBox='0 0 256 256'%3E%3Cpath d='M213.66,101.66l-80,80a8,8,0,0,1-11.32,0l-80-80A8,8,0,0,1,53.66,90.34L128,164.69l74.34-74.35a8,8,0,0,1,11.32,11.32Z'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Phone field group */
.form__phone-group {
  display: flex;
  gap: var(--space-xs);
}

.form__phone-code {
  flex-shrink: 0;
  width: 110px;
  padding-right: 2rem;
  font-size: var(--fs-xs);
}

.form__phone-input {
  flex: 1;
  letter-spacing: 0.5px;
}

/* Required asterisk */
.form__required {
  color: #e74c3c;
  font-weight: 700;
}

/* Validation error messages */
.form__error {
  display: block;
  font-size: var(--fs-xs);
  color: #e74c3c;
  margin-top: 4px;
  min-height: 1rem;
  transition: var(--transition);
}

/* Invalid state */
.form__input--invalid {
  border-color: #e74c3c !important;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15) !important;
}

/* Valid state */
.form__input--valid {
  border-color: var(--clr-primary) !important;
}

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

.form__submit {
  grid-column: 1 / -1;
  width: 100%;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact__info-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition);
}

.contact__info-card:hover {
  border-color: var(--clr-border-light);
}

.contact__info-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(46, 204, 113, 0.1);
  border-radius: var(--radius-sm);
  font-size: var(--fs-lg);
  color: var(--clr-primary-light);
  margin-bottom: var(--space-sm);
}

.contact__info-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact__info-text {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

@media (max-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }

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

  .form__group--full {
    grid-column: 1;
  }
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__container {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-3xl);
}

.footer__text {
  color: var(--clr-text-dim);
  font-size: var(--fs-sm);
  margin-top: var(--space-md);
  max-width: 280px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer__group-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--fs-sm);
  color: var(--clr-text-dim);
  transition: var(--transition);
}

.footer__link:hover {
  color: var(--clr-primary-light);
}

.footer__bottom {
  grid-column: 1 / -1;
  padding-top: var(--space-2xl);
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--clr-border);
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--clr-text-dim);
}

@media (max-width: 768px) {
  .footer__container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

/* ================================================
   ANIMACIONES
   ================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll animations (activadas via JS) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays */
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

/* ================================================
   WHATSAPP FLOATING BUTTON
   ================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.55);
  animation: none;
}

.whatsapp-float__icon {
  width: 32px;
  height: 32px;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: 70px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent transparent var(--clr-surface);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* WhatsApp contact card */
.contact__info-card--whatsapp:hover {
  border-color: #25D366;
}

.contact__info-icon--whatsapp {
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
}

.contact__info-link {
  color: var(--clr-text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.contact__info-link:hover {
  color: #25D366;
}

/* ================================================
   MEDIA QUERIES EXTRAS
   ================================================ */
@media (max-width: 480px) {
  :root {
    --space-5xl: 5rem;
    --space-4xl: 4rem;
  }

  .hero__stats {
    gap: var(--space-xl);
  }

  .hero__stat-number {
    font-size: var(--fs-2xl);
  }

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

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