/* ══════════════════════════════════════
   LimpioHogar — Design System & Styles
   ══════════════════════════════════════ */

/* ─── CSS Variables ─── */
:root {
  --color-primary:    #1E2D4E;
  --color-accent:     #4CAF9A;
  --color-bg:         #FFFFFF;
  --color-bg-alt:     #F5F7FA;
  --color-text:       #333333;
  --color-text-light: #666666;
  --border-radius-btn:  50px;
  --border-radius-card: 12px;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
  --breakpoint-mobile: 768px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Poppins', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* ─── Utility ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-btn);
  padding: 14px 32px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

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

.btn--primary:hover {
  opacity: 0.9;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

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

.btn--accent:hover {
  opacity: 0.9;
}

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

/* ─── Fade-in animation ─── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ══════════════════
   1. NAVBAR
   ══════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  height: var(--navbar-height);
  transition: box-shadow 0.3s ease;
}

.navbar--scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar__logo svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.navbar__logo span {
  font-family: 'Poppins', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-primary);
}

.navbar__links {
  display: flex;
  gap: 32px;
}

.navbar__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.2s;
}

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

.navbar__cta .btn {
  padding: 10px 24px;
  font-size: 0.9375rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  background: #fff;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 999;
}

.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-bg-alt);
}

.mobile-menu a:hover {
  color: var(--color-accent);
}

/* ══════════════════
   2. HERO
   ══════════════════ */
.hero {
  padding-top: calc(var(--navbar-height) + 48px);
  padding-bottom: 80px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero__title {
  font-family: 'Poppins', sans-serif;
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero__title .accent {
  color: var(--color-accent);
  display: block;
}

.hero__subtitle {
  font-size: 1.1875rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  height: 480px;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ══════════════════
   3. COMO FUNCIONA
   ══════════════════ */
.como-funciona {
  background: var(--color-bg-alt);
  padding: 80px 0;
}

.como-funciona__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 3rem;
}

.step {
  text-align: center;
}

.step__icon-wrap {
  position: relative;
  display: inline-flex;
  margin-bottom: 1rem;
}

.step__icon {
  width: 80px;
  height: 80px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step__icon svg {
  width: 40px;
  height: 40px;
  color: #fff;
}

.step__number {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border: 3px solid var(--color-bg-alt);
}

.step__title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.step__desc {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 320px;
  margin: 0 auto;
}

/* ══════════════════
   4. MISION Y VISION
   ══════════════════ */
.mision-vision {
  padding: 80px 0;
}

.mision-vision__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.mv-card {
  border-radius: var(--border-radius-card);
  padding: 48px;
}

.mv-card--light {
  background: var(--color-bg-alt);
}

.mv-card--dark {
  background: var(--color-primary);
  color: #fff;
}

.mv-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.mv-card__icon svg {
  width: 28px;
  height: 28px;
  color: #fff;
}

.mv-card__title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.mv-card--light .mv-card__title {
  color: var(--color-primary);
}

.mv-card__text {
  font-size: 1.0625rem;
  line-height: 1.7;
}

.mv-card--light .mv-card__text {
  color: var(--color-text-light);
}

.mv-card--dark .mv-card__text {
  color: rgba(255,255,255,0.8);
}

/* ══════════════════
   5. PRECIOS
   ══════════════════ */
.precios {
  background: var(--color-bg-alt);
  padding: 80px 0;
}

.precios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: center;
}

.precio-card {
  background: #fff;
  border-radius: var(--border-radius-card);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  border: 2px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  text-align: center;
}

.precio-card:hover {
  border-color: var(--color-accent);
}

.precio-card--featured {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 8px 40px rgba(0,0,0,0.15);
  border-color: var(--color-accent);
  position: relative;
}

.precio-card--featured:hover {
  transform: scale(1.07);
}

.precio-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  padding: 4px 20px;
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.precio-card__name {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.precio-card:not(.precio-card--featured) .precio-card__name {
  color: var(--color-primary);
}

.precio-card__price {
  font-family: 'Poppins', sans-serif;
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.precio-card:not(.precio-card--featured) .precio-card__price {
  color: var(--color-primary);
}

.precio-card__period {
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}

.precio-card:not(.precio-card--featured) .precio-card__period {
  color: var(--color-text-light);
}

.precio-card--featured .precio-card__period {
  color: rgba(255,255,255,0.7);
}

.precio-card__features {
  text-align: left;
  margin-bottom: 2rem;
}

.precio-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9375rem;
}

.precio-card:not(.precio-card--featured) .precio-card__features li {
  color: var(--color-text-light);
}

.precio-card--featured .precio-card__features li {
  color: rgba(255,255,255,0.9);
}

.precio-card__features li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.precio-card .btn {
  width: 100%;
}

.precio-card:not(.precio-card--featured) .btn {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  border-color: var(--color-bg-alt);
}

.precio-card:not(.precio-card--featured) .btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ══════════════════
   6. TRABAJA CON NOSOTROS
   ══════════════════ */
.trabaja {
  padding: 80px 0;
}

.trabaja__form-wrap {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-card);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 6px;
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(76, 175, 154, 0.15);
}

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

.form-feedback {
  display: none;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9375rem;
  margin-top: 16px;
}

.form-feedback--success {
  background: #e8f5e9;
  color: #2e7d32;
}

.form-feedback--error {
  background: #fce4ec;
  color: #c62828;
}

/* ══════════════════
   7. CONTACTO
   ══════════════════ */
.contacto {
  padding: 80px 0;
  background: var(--color-bg);
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

.contacto__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contacto__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contacto__item-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contacto__item-icon svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.contacto__item h4 {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.contacto__item p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.contacto__form {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-card);
  padding: 32px;
}

/* ══════════════════
   8. FOOTER
   ══════════════════ */
.footer {
  background: var(--color-primary);
  color: #fff;
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer__logo svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.footer__logo span {
  font-family: 'Poppins', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
}

.footer__desc {
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer__rut {
  color: rgba(255,255,255,0.5);
  font-size: 0.8125rem;
}

.footer__col h4 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer__col ul li {
  margin-bottom: 8px;
}

.footer__col ul li a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
  transition: color 0.2s;
}

.footer__col ul li a:hover {
  color: var(--color-accent);
}

.footer__col ul li span {
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 24px 0;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
}

/* ══════════════════
   WHATSAPP FLOATING BUTTON
   ══════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}