/* ===== CSS RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1a1a1a;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: #A4C61E;
  --secondary-color: #213564;
  --dark-color: #363636;
  --white-color: #ffffff;
  --gray-100: #f8fafc;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #A4C61E 0%, #7cb518 100%);
  --gradient-secondary: linear-gradient(135deg, #213564 0%, #213564 100%);
  --gradient-hero: linear-gradient(135deg, #A4C61E 0%, #213564 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

  /* Spacing */
  --container-width: 1200px;
  --section-padding: 5rem 0;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;

  /* Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-primary: 0 25px 50px -12px rgba(164, 210, 51, 0.3);
  --shadow-secondary: 0 25px 50px -12px rgba(30, 58, 138, 0.3);

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section__title {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.section__title--white {
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
  color: var(--white-color);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition);
}

.btn:hover::before {
  left: 100%;
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 32px 64px -12px rgba(164, 210, 51, 0.4);
}

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

.btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 32px 64px -12px rgba(30, 58, 138, 0.4);
}

.btn--large {
  padding: 1.25rem 2.5rem;
  font-size: 1.1rem;
}

.hero__buttons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
}

.hero__buttons .btn {
  padding: 1rem 2rem;
  font-size: 1rem;
  min-width: 180px;
  font-weight: 600;
  flex: none;
}
.app-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.app-stores {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.app-stores__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.app-stores__icons {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.app-stores__icon {
  width: 32px;
  height: 32px;
  transition: var(--transition);
  cursor: pointer;
}

.app-stores__icon:hover {
  transform: scale(1.1);
}

/* Dark sections app stores styling */
.health-benefits .app-stores__text,
.final-cta .app-stores__text {
  color: rgba(255, 255, 255, 0.8);
}

.hero .app-stores__text {
  color: rgba(255, 255, 255, 0.9);
}

/* Centrar app stores en todas las secciones */
.hero .app-stores,
.health-benefits .app-stores,
.final-cta .app-stores {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.header.transparent {
  background: transparent !important;
  border-bottom: none !important;
  box-shadow: none !important;
}
.header.transparent .btn,
.header.transparent .nav__actions > :not(.nav__toggle) {
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden !important;
}
.header.transparent .nav__toggle {
  opacity: 1 !important;
  pointer-events: auto !important;
  visibility: visible !important;
}

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

.nav__logo-img {
  height: 2.5rem;
  width: auto;
  transition: var(--transition);
}

/* Logo con fondo blanco cuando header es transparente */
.header.transparent .nav__logo-img {
  background: rgba(255, 255, 255, 0.95);
  padding: 0.75rem;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  height: 5rem;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
}

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

.nav__link {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--gray-700);
  transition: var(--transition);
  position: relative;
}

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

.nav__link.active::after {
  content: "";
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__toggle,
.nav__close {
  display: none;
  cursor: pointer;
}

.nav__toggle {
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 10;
}

.nav__toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--dark-color);
  border-radius: 2px;
  transition: var(--transition);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 4.5rem;
  background: linear-gradient(135deg, #A4C61E 0%, #213564 90%);
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero__bg-gradient {
  width: 100%;
  height: 100%;
  background: transparent;
}

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

.hero__title {
  text-align: center;
  font-size: 3.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero__title--main {
  font-size: 3rem;
  font-weight: 600;
  color: #fff;
  display: block;
  text-align: center;
}

.hero__title--highlight {
  font-size: 11rem;
  font-weight: 900;
  line-height: 0.9;
  background: white;
  color: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: block;
  margin-top: -1rem;
  margin-bottom: 1rem;
  text-align: center;
}

.hero__description {
  font-size: 1.25rem;
  color: white;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero__actions {
  display: flex;
  gap: 1.5rem;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__img {
  width: 100%;
  max-width: 500px;
  filter: drop-shadow(var(--shadow-lg));
  animation: fadeInRight 1s ease-out 0.6s both;
}

.hero__app-preview {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  transform: rotate(15deg);
  animation: float 3s ease-in-out infinite;
}

.hero__app-img {
  width: 200px;
  filter: drop-shadow(var(--shadow-md));
}

/* ===== HOW WORKS SECTION ===== */
.how-works {
  padding: var(--section-padding);
  background: #213564;
  color: var(--white-color);
}

.how-works__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.how-works__card {
  background: var(--white-color);
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  color: var(--dark-color);
}

.how-works__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.how-works__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.how-works__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(164, 210, 51, 0.2);
}

.how-works__icon-img {
  width: 40px;
  height: 40px;
  filter: brightness(0) invert(1);
}

.how-works__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.how-works__description {
  color: var(--gray-700);
  line-height: 1.7;
}

/* ===== WHY COOLFIX SECTION ===== */
.why-coolfix {
  padding: var(--section-padding);
  background: #213564;
  color: var(--white-color);
}

.why-coolfix__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.why-coolfix__card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  border: 2px solid rgba(164, 210, 51, 0.2);
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
  color: var(--dark-color);
}

.why-coolfix__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.why-coolfix__icon {
  width: 60px;
  height: 60px;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-coolfix__icon-img {
  width: 30px;
  height: 30px;
  filter: none;
}

.why-coolfix__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.why-coolfix__description {
  color: var(--gray-700);
  line-height: 1.6;
}

/* ===== HEALTH BENEFITS SECTION ===== */
.health-benefits {
  padding: var(--section-padding);
  background: #213564;
  color: var(--white-color);
}

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

.health-benefits__title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.health-benefits__subtitle {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.health-benefits__list {
  margin-bottom: 2.5rem;
}

.health-benefits__item {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  opacity: 0.9;
}

.health-benefits__item::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.2rem;
}

.health-benefits__image {
  display: flex;
  justify-content: center;
}

.health-benefits__img {
  max-width: 400px;
  filter: drop-shadow(var(--shadow-lg));
  animation: float 10s ease-in-out infinite;
}

/* ===== FINAL CTA SECTION ===== */
.final-cta {
  padding: var(--section-padding);
  background: #213564;
  color: var(--white-color);
  position: relative;
  overflow: hidden;
}

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

.final-cta__title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--white-color);
}

.final-cta__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.final-cta__features {
  margin-bottom: 2.5rem;
}

.final-cta__feature {
  padding: 0.5rem 0;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.final-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.final-cta__buttons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.final-cta__buttons .btn {
  flex: none;
}

.final-cta__image {
  display: flex;
  justify-content: center;
}

.final-cta__img {
  max-width: 300px;
  filter: drop-shadow(var(--shadow-lg));
}

/* ===== FOOTER ===== */
.footer {
  background: #363636;
  color: var(--white-color);
  padding: 3rem 0 2rem;
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer__logo {
  height: 2.5rem;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
}

.footer__tagline {
  color: var(--gray-300);
  max-width: 300px;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social-link {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer__social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer__social-icon {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
}

.footer__links {
  display: flex;
  gap: 2rem;
  align-items: center;
  font-size: 0.9rem;
}

.footer__link {
  color: var(--gray-300);
  transition: var(--transition);
}

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

.footer__lang,
.footer__currency {
  color: var(--gray-500);
}

/* ===== FLOATING ACTION BUTTONS ===== */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-primary);
  z-index: 999;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  color: var(--dark-color);
}

.fab.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 32px 64px -12px rgba(164, 210, 51, 0.4);
}

.fab svg {
  width: 24px;
  height: 24px;
}

/* WhatsApp button */
.fab--whatsapp {
  bottom: 2rem;
  background: #25D366;
  color: white;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition: bottom 0.3s ease;
}

.fab--whatsapp:hover {
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4);
  transform: scale(1.1);
}

.fab--whatsapp.scrolled {
  bottom: 8rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(15deg);
  }
  50% {
    transform: translateY(-20px) rotate(15deg);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(164, 210, 51, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(164, 210, 51, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(164, 210, 51, 0);
  }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Ajustes extra para hero en pantallas móviles */
@media (max-width: 768px) {
  /* Contenido alineado a la izquierda */
  .hero__content {
    align-items: flex-start !important;
    text-align: left !important;
  }

  /* Imagen del técnico como fondo a la derecha */
  .hero__image {
    position: absolute !important;
    right: -10% !important;
    bottom: 0 !important;
    width: 60% !important;
    max-width: none !important;
    pointer-events: none !important;
  }

  /* Ocultar preview de app (IMAGEN 2) */
  .hero__app-preview {
    display: none !important;
  }
}

@media screen and (max-width: 1024px) {
  .hero__container,
  .health-benefits__content,
  .final-cta__content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .section__title {
    font-size: 2.5rem;
  }

  .hero__actions {
    justify-content: center;
  }

  /* Imágenes más grandes en tablets */
  .health-benefits__img {
    max-width: 400px;
    width: 80%;
  }

  .final-cta__img {
    max-width: 320px;
    width: 70%;
  }

  .hero__app-img {
    width: 200px;
  }
}

@media (max-width: 768px) {
  .hero__title--highlight {
    font-size: 5rem;
  }
  .hero__title--main {
    font-size: 2rem;
  }
  .hero__title {
    font-size: 2.2rem;
  }
}

@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--white-color);
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
    z-index: 999;
  }

  .nav__menu.show-menu {
    left: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 3rem;
  }

  .nav__link {
    font-size: 1.25rem;
  }

  .nav__toggle,
  .nav__close {
    display: flex;
  }

  .nav__close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--dark-color);
  }

  .hero {
    padding-top: 5rem;
    padding-bottom: 2rem;
    min-height: auto;
  }

  .hero__title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }

  .hero__description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .section__title {
    font-size: 2rem;
    margin-bottom: 2rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
  }

  .hero__buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .hero__buttons .btn {
    width: 100%;
    min-width: auto;
  }

  .final-cta__actions {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 1rem !important;
    width: 100%;
  }
  .final-cta__actions .btn {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    font-size: 1rem;
    box-sizing: border-box;
  }
  .final-cta__text {
    max-width: 100% !important;
    min-width: 0 !important;
    padding: 0;
    order: 1;
  }
  .final-cta__image {
    min-width: 0 !important;
    width: 100%;
    justify-content: center !important;
    margin-bottom: 2rem;
    order: 2;
  }
  
  /* Final CTA responsive mejorado */
  .final-cta .container {
    flex-direction: column !important;
    gap: 2rem !important;
  }
  
  .final-cta__title {
    font-size: 2.5rem !important;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-align: center;
  }
  
  .final-cta__subtitle {
    font-size: 1.1rem !important;
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .final-cta__features {
    margin-bottom: 2rem;
  }
  
  .final-cta__feature {
    font-size: 1.1rem !important;
    text-align: left;
  }

  .final-cta__buttons {
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 0;
  }

  .final-cta__buttons .btn {
    width: 100%;
  }

  .footer__content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .footer__links {
    justify-content: center;
    flex-wrap: wrap;
  }

  .fab {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 50px;
    height: 50px;
  }

  .fab--whatsapp {
    bottom: 1.5rem;
  }
  
  .fab--whatsapp.scrolled {
    bottom: 6rem;
  }

  .fab svg {
    width: 20px;
    height: 20px;
  }

  .app-stores__icons {
    gap: 0.75rem;
  }

  .app-stores__icon {
    width: 28px;
    height: 28px;
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero {
    padding-top: 5rem;
    padding-bottom: 2rem;
  }

  .hero__title {
    font-size: 2rem;
    line-height: 1.1;
  }

  .hero__description {
    font-size: 1rem;
  }

  .section__title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
  }

  .btn {
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
  }

  .btn--large {
    padding: 1.1rem 2rem;
    font-size: 1rem;
  }

  .how-works__card,
  .why-coolfix__card {
    padding: 1.5rem;
  }

  .how-works__grid,
  .why-coolfix__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .fab {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }

  .fab--whatsapp {
    bottom: 1rem;
  }
  
  .fab--whatsapp.scrolled {
    bottom: 5rem;
  }

  .fab svg {
    width: 18px;
    height: 18px;
  }

  .app-stores__text {
    font-size: 0.8rem;
  }

  .app-stores__icon {
    width: 24px;
    height: 24px;
  }

  .app-stores__icons {
    gap: 0.5rem;
  }

  .nav {
    height: 4rem;
    padding: 0 1rem;
  }

  .nav__logo-img {
    height: 2rem;
  }

  .btn.btn--primary {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
  }

  /* Imágenes de teléfonos más grandes en móvil */
  .health-benefits__img {
    max-width: 350px;
    width: 90%;
  }

  .final-cta__img {
    max-width: 280px;
    width: 80%;
  }

  .hero__app-img {
    width: 180px;
  }

  /* Mejor espaciado en móvil */
  .health-benefits {
    padding: 4rem 0;
  }

  .final-cta {
    padding: 4rem 0;
  }

  .why-coolfix {
    padding: 4rem 0;
  }

  .how-works {
    padding: 4rem 0;
  }

  /* Footer mejor en móvil */
  .footer {
    padding: 2rem 0 1.5rem;
  }

  .footer__content {
    margin-bottom: 1.5rem;
  }

  .footer__logo {
    height: 2rem;
    margin-bottom: 0.75rem;
  }

  .footer__tagline {
    font-size: 0.85rem;
    line-height: 1.4;
  }

  .footer__social-link {
    width: 40px;
    height: 40px;
  }

  .footer__social-icon {
    width: 20px;
    height: 20px;
  }

  .footer__links {
    font-size: 0.8rem;
    gap: 1rem;
  }

  /* Texto y elementos mejor proporcionados */
  .health-benefits__title,
  .final-cta__title {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  .health-benefits__subtitle,
  .final-cta__subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .health-benefits__item {
    font-size: 0.9rem;
    padding: 0.5rem 0;
  }

  .final-cta__feature {
    font-size: 0.9rem;
  }

  /* Animaciones más suaves en móvil */
  .health-benefits__img {
    animation: none;
  }

  .hero__app-preview {
    animation: none;
    position: static;
    transform: none;
    margin-top: 1rem;
  }

  /* Cards más espaciadas */
  .how-works__card,
  .why-coolfix__card {
    margin-bottom: 1rem;
  }

  /* Footer responsive específico */
  .footer .hero__container {
    flex-direction: column;
    gap: 1rem;
    padding: 2rem 1rem;
    min-height: auto;
  }

  .footer .hero__content {
    flex: 1 1 auto;
    min-width: auto;
    order: 2;
  }

  .footer .hero__image {
    flex: 1 1 auto;
    min-width: auto;
    order: 1;
    margin-bottom: 1rem;
  }

  .footer .hero__title {
    font-size: 1.5rem;
    line-height: 1.2;
  }

  .footer .hero__title--main {
    font-size: 1.2rem !important;
  }

  .footer .hero__title--highlight {
    font-size: 3rem !important;
  }

  .footer .hero__description {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }

  .footer .hero__buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .footer .hero__buttons .btn {
    width: 100%;
    max-width: 250px;
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
  }

  .footer .hero__app-img {
    max-width: 200px !important;
    width: 100%;
  }

  /* Redes sociales en móvil */
  .footer .app-stores__icons {
    gap: 1rem;
  }

  .footer .app-stores__icon {
    width: 35px;
    height: 35px;
  }

  /* Centrar redes sociales en móvil */
  .footer-social-container {
    justify-content: center !important;
    padding-left: 0 !important;
  }
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease-out;
}

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

/* ===== LOADING ANIMATIONS ===== */
.loading {
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.modal-tutorial {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.modal-tutorial.open {
  pointer-events: auto;
  opacity: 1;
}
.modal-tutorial__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.6);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.modal-tutorial.open .modal-tutorial__overlay {
  opacity: 1;
}
.modal-tutorial__content {
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);
  padding: 1.5rem;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  animation: modalOpen 0.4s cubic-bezier(0.4,0,0.2,1);
}
@keyframes modalOpen {
  from { transform: scale(0.85) translateY(40px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.modal-tutorial__close {
  background: none;
  border: none;
  font-size: 2rem;
  color: #233765;
  position: absolute;
  top: 1rem;
  right: 1rem;
  cursor: pointer;
  z-index: 3;
  transition: color 0.2s;
}
.modal-tutorial__close:hover {
  color: #a4d233;
}
.modal-tutorial__content iframe {
  width: 560px;
  height: 315px;
  border-radius: 12px;
  max-width: 80vw;
  max-height: 60vh;
  margin-top: 2.5rem;
}
@media (max-width: 700px) {
  .modal-tutorial__content iframe {
    width: 95vw;
    height: 40vw;
    min-height: 180px;
    max-height: 50vh;
  }
  .modal-tutorial__content {
    padding: 0.5rem;
  }
}

/* ===== MODAL PRÓXIMAMENTE ===== */
.modal-proximamente {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.modal-proximamente.show {
  pointer-events: auto;
  opacity: 1;
}

.modal-proximamente__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(33, 53, 100, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.modal-proximamente.show .modal-proximamente__overlay {
  opacity: 1;
}

.modal-proximamente__content {
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(33, 53, 100, 0.3);
  padding: 3rem;
  max-width: 500px;
  width: 90vw;
  text-align: center;
  animation: modalProximamenteOpen 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid rgba(164, 198, 30, 0.2);
}

@keyframes modalProximamenteOpen {
  from { 
    transform: scale(0.8) translateY(60px); 
    opacity: 0; 
  }
  to { 
    transform: scale(1) translateY(0); 
    opacity: 1; 
  }
}

.modal-proximamente__close {
  background: none;
  border: none;
  font-size: 2rem;
  color: #64748b;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  cursor: pointer;
  z-index: 3;
  transition: all 0.2s ease;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-proximamente__close:hover {
  color: #A4C61E;
  background: rgba(164, 198, 30, 0.1);
  transform: scale(1.1);
}

.modal-proximamente__header {
  margin-bottom: 2rem;
}

.modal-proximamente__icon {
  margin: 0 auto 1.5rem;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #A4C61E 0%, #7cb518 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(164, 198, 30, 0.3);
}

.modal-proximamente__icon svg {
  filter: brightness(0) invert(1);
}

.modal-proximamente__title {
  font-size: 1.75rem;
  font-weight: 800;
  color: #213564;
  line-height: 1.3;
  margin: 0;
  background: linear-gradient(135deg, #213564 0%, #A4C61E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-proximamente__body {
  margin-bottom: 2rem;
}

.modal-proximamente__message {
  font-size: 1.1rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-proximamente__features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.modal-proximamente__feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: #475569;
  font-weight: 500;
}

.modal-proximamente__check {
  color: #A4C61E;
  font-weight: 700;
  font-size: 1.2rem;
  background: rgba(164, 198, 30, 0.1);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-proximamente__footer {
  display: flex;
  justify-content: center;
}

.modal-proximamente__footer .btn {
  min-width: 180px;
  font-size: 1.1rem;
  padding: 1rem 2rem;
}

/* Responsive del modal próximamente */
@media (max-width: 600px) {
  .modal-proximamente__content {
    padding: 2rem 1.5rem;
    margin: 1rem;
    max-width: calc(100vw - 2rem);
  }
  
  .modal-proximamente__title {
    font-size: 1.5rem;
  }
  
  .modal-proximamente__message {
    font-size: 1rem;
  }
  
  .modal-proximamente__feature {
    font-size: 0.9rem;
  }
  
  .modal-proximamente__icon {
    width: 60px;
    height: 60px;
  }
  
  .modal-proximamente__icon svg {
    width: 40px;
    height: 40px;
  }
  
  .modal-proximamente__close {
    top: 1rem;
    right: 1rem;
    width: 35px;
    height: 35px;
    font-size: 1.5rem;
  }
}