:root {
  --primary-color: #2ecc71;
  --primary-light: #4cd787;
  --primary-dark: #27ae60;
  --secondary-color: #3498db;
  --secondary-light: #5dade2;
  --secondary-dark: #2980b9;
  --accent-color: #9b59b6;
  --accent-light: #bb8fce;
  --accent-dark: #8e44ad;
  --background-color: #f8f9fa;
  --text-color: #34495e;
  --text-light: #7f8c8d;
  --white: #ffffff;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-color-strong: rgba(0, 0, 0, 0.2);
  --gradient-1: #12c2e9;
  --gradient-2: #c471ed;
  --gradient-3: #f64f59;
  --success-color: #2ecc71;
  --warning-color: #f39c12;
  --danger-color: #e74c3c;
  --info-color: #3498db;
  --award-color: #f1c40f;
  --award-color-dark: #e67e22;
  --climate-green: #00d924;
  --climate-green-dark: #00cb1b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  overflow-x: hidden;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Background gradient */
.background-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3), var(--primary-color));
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  opacity: 0.05;
  z-index: -1;
}

/* Nuevo selector de idiomas debajo del menú principal - con fondo blanco y bordes redondeados */
.language-selector {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 2000;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 8px;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

@media (max-width: 600px) {
  .language-selector {
    top: 100px;
  }
}

.language-selector:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.lang-btn {
  background-color: transparent;
  border: none;
  padding: 8px 15px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.lang-btn:hover {
  background-color: rgba(46, 204, 113, 0.1);
}

.lang-btn.active {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 2px 8px rgba(46, 204, 113, 0.3);
}

/* Header styles */
header {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 15px var(--shadow-color);
  position: fixed;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  padding-bottom: 15px;
}

header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px var(--shadow-color-strong);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  max-width: 1400px;
  margin: 0 auto;
}

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

.logo img {
  width: 40px;
  margin-right: 12px;
  transition: transform 0.3s ease;
}

.logo:hover img {
  transform: rotate(10deg);
}

.logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.logo:hover span {
  color: var(--primary-dark);
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 5px 0;
  
}

.nav-links a:not(.cta-button):not(.climate-button)::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-links a:not(.cta-button):not(.climate-button):hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--primary-color);
}

/* Botón de clima en el header */
.climate-button {
  background-color: var(--climate-green);
  color: white !important;
  padding: 8px 20px;
  border-radius: 25px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 217, 36, 0.3);
  border: none;
  font-weight: 600;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  text-align: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  width: 155px;
}

.climate-button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  transition: all 0.6s ease;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.climate-button:hover::before {
  width: 200px;
  height: 200px;
}

.climate-button:hover {
  background-color: var(--climate-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 217, 36, 0.4);
}

.climate-icon {
  width: 16px;
  height: 16px;
  filter: brightness(0) invert(1);
}

/* Efecto de partículas para el botón de clima */
.climate-button::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.6) 1px, transparent 1px),
    radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
  background-size: 20px 20px, 30px 30px, 25px 25px;
  opacity: 0;
  animation: particles 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes particles {
  0%,
  100% {
    opacity: 0;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

.cta-button {
  background-color: var(--primary-color);
  color: white !important;
  padding: 10px 25px;
  border-radius: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
  border: none;
  font-weight: 600;
  display: inline-block;
  text-align: center;
  cursor: pointer;
}

.cta-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

.cta-button.pulse {
  animation: pulse 2s infinite;
}

.cta-button-1 {
  background-color: var(--primary-color);
  color: white !important;
  padding: 10px 25px;
  border-radius: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
  border: none;
  font-weight: 600;
  display: inline-block;
  text-align: center;
  cursor: pointer;
}

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 5px;
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* Hero section styles */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 120px 50px 80px;
  position: relative;
  overflow: hidden;
  background-color: var(--white);
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.hero-content {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 1;
  padding-right: 30px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-color);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--text-light);
  max-width: 500px;
}

.highlight {
  color: var(--white);
  font-weight: 700;
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  padding: 5px 15px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
  animation: float 6s ease-in-out infinite;
}

/* Award banner styles */
.award-banner-container {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.award-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--award-color), var(--award-color-dark));
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 30px;
  border: none;
  box-shadow: 0 6px 15px rgba(241, 196, 15, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.award-banner:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(241, 196, 15, 0.4);
}

.award-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: all 0.6s;
}

.award-banner:hover::before {
  left: 100%;
}

.award-icon {
  color: white;
  animation: shine 3s infinite;
}

@keyframes shine {
  0% {
    filter: brightness(1);
    transform: scale(1);
  }
  50% {
    filter: brightness(1.3);
    transform: scale(1.1);
  }
  100% {
    filter: brightness(1);
    transform: scale(1);
  }
}

.hero-image {
  grid-column: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

/* Updated Samsung-style phone mockup */
.phone-mockup {
  width: 280px;
  height: 580px;
  background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
  border-radius: 15px; /* Much less rounded - Samsung style */
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  padding: 8px;
  overflow: hidden;
  transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
  transition: all 0.5s ease;
  animation: float 6s ease-in-out infinite;
}

.phone-mockup:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background-color: #000;
  border-radius: 12px; /* Less rounded screen */
  overflow: hidden;
  position: relative;
}

/* Samsung-style camera cutout */
.phone-screen::before {
  content: "";
  position: absolute;
  top: 15px;
  right: 20px;
  width: 12px;
  height: 12px;
  background-color: #000;
  border-radius: 50%;
  z-index: 10;
  box-shadow: 0 0 0 2px #333;
}

.app-preview-animation {
  width: 100%;
  height: 100%;
  position: relative;
}

.app-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.app-screen.active {
  opacity: 1;
}

/* Remove the old notch and button styles */
.phone-notch {
  display: none;
}

.phone-button {
  display: none;
}

/* Samsung-style power button */
.phone-mockup::after {
  content: "";
  position: absolute;
  right: -2px;
  top: 120px;
  width: 4px;
  height: 60px;
  background: linear-gradient(145deg, #333, #555);
  border-radius: 2px;
}

/* Samsung-style volume buttons */
.phone-mockup::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 100px;
  width: 4px;
  height: 40px;
  background: linear-gradient(145deg, #333, #555);
  border-radius: 2px;
  box-shadow: 0 50px 0 0 #333;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-color);
  animation: bounce 2s infinite;
  z-index: 1;
}

.scroll-indicator span {
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.scroll-indicator i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.floating-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  opacity: 0.1;
  animation: float 10s infinite ease-in-out;
}

.shape-1 {
  width: 100px;
  height: 100px;
  left: 10%;
  top: 20%;
}

.shape-2 {
  width: 150px;
  height: 150px;
  right: 20%;
  top: 40%;
  animation-delay: 2s;
  background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
}

.shape-3 {
  width: 80px;
  height: 80px;
  left: 30%;
  bottom: 30%;
  animation-delay: 4s;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
}

.shape-4 {
  width: 120px;
  height: 120px;
  right: 10%;
  bottom: 20%;
  animation-delay: 6s;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* Stripe Climate Section */
#stripe-climate {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--climate-green), var(--climate-green-dark));
  color: white;
  position: relative;
  overflow: hidden;
}

#stripe-climate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.climate-content {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.climate-text {
  flex: 2;
}

.climate-text .section-title {
  color: white;
  text-align: left;
  margin-bottom: 30px;
}

.climate-text .section-title::after {
  background: white;
  left: 0;
  transform: none;
}

.climate-description {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0.95;
}

.climate-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.climate-stat {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.climate-logo {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.climate-badge {
  width: 200px;
  height: 200px;
  margin-bottom: 20px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
  transition: transform 0.3s ease;
}

.climate-badge:hover {
  transform: scale(1.05) rotate(5deg);
}

.climate-badge-text {
  font-size: 1.1rem;
  font-weight: 600;
  opacity: 0.9;
}

/* Our Story Section */
#our-story {
  padding: 100px 0;
  background-color: var(--white);
  position: relative;
  overflow: hidden;
}

.our-story-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

.award-highlight {
  background: linear-gradient(135deg, var(--award-color), var(--award-color-dark));
  color: white;
  padding: 30px;
  border-radius: 15px;
  margin-bottom: 40px;
  box-shadow: 0 15px 30px rgba(241, 196, 15, 0.2);
  position: relative;
  overflow: hidden;
}

.award-highlight::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

.award-highlight h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.award-highlight p {
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.team-story {
  text-align: center;
  margin-bottom: 40px;
}

.team-story p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Estilos para la galería de fotos (reemplazando los artículos) */
.photo-gallery {
  margin-top: 60px;
}

.photo-gallery h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--text-color);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* columnas adaptables */
  gap: 1rem;
}

.photo-frame {
  background-color: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  aspect-ratio: 4 / 3;
  position: relative;
  max-width: 250px;
  margin: 0 auto;
}

.photo-frame:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

.photo-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #f8f9fa;
  color: #adb5bd;
  transition: all 0.3s ease;
}

.photo-placeholder i {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.photo-placeholder span {
  font-size: 1rem;
}

.photo-frame:hover .photo-placeholder {
  background-color: #e9ecef;
  color: var(--primary-color);
}

/* Confetti styles */
.confetti-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--award-color);
  top: -20px;
  opacity: 0;
  animation: fall 3s linear forwards;
}

@keyframes fall {
  0% {
    top: -20px;
    transform: translateX(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    top: 100%;
    transform: translateX(calc(20px - (40px * var(--random, 0.5)))) rotate(360deg);
    opacity: 0.7;
  }
}

/* Section styles */
section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

section:nth-child(odd) {
  background-color: var(--white);
}

section:nth-child(even) {
  background-color: var(--background-color);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--text-color);
  position: relative;
  width: 100%;
  left: 0;
  transform: none;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--primary-light));
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 50px;
  color: var(--text-light);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* App Overview Section */
#app-overview {
  background-color: var(--white);
}

.app-preview {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-top: 50px;
}

.phone-mockup-large {
  flex: 1;
  max-width: 300px;
  margin: 0 auto;
  position: relative;
  background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
  border-radius: 15px; /* Samsung style - less rounded */
  padding: 8px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: all 0.5s ease;
}

.phone-mockup-large:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.phone-screen-large {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 200%;
  background-color: #000;
  border-radius: 12px; /* Less rounded screen */
  overflow: hidden;
}

/* Samsung-style camera cutout for large phone */
.phone-screen-large::before {
  content: "";
  position: absolute;
  top: 15px;
  right: 20px;
  width: 12px;
  height: 12px;
  background-color: #000;
  border-radius: 50%;
  z-index: 10;
  box-shadow: 0 0 0 2px #333;
}

.screen-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.screen-image-1 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.screen-reflection {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  pointer-events: none;
}

/* Remove the large phone notch */
.phone-notch-large {
  display: none;
}

.app-features-overview {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.feature-highlight {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 25px;
  background-color: var(--white);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
}

.feature-highlight:hover {
  transform: translateY(-5px) translateX(5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
  transition: all 0.3s ease;
}

.feature-highlight:hover .feature-icon {
  transform: rotate(10deg);
}

.feature-icon i {
  font-size: 1.8rem;
  color: white;
}

.feature-highlight h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.feature-highlight:hover h3 {
  color: var(--primary-color);
}

.feature-highlight p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Continue with the rest of the CSS... (keeping all other styles the same) */
/* Features section styles */
#features {
  background-color: var(--background-color);
  position: relative;
}

.features-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.tab-btn {
  background-color: var(--white);
  border: none;
  padding: 15px 30px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.tab-btn i {
  font-size: 1.2rem;
  color: var(--primary-color);
}

.tab-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  box-shadow: 0 8px 25px rgba(46, 204, 113, 0.3);
}

.tab-btn.active i {
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: var(--white);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, var(--primary-color), var(--primary-light));
  z-index: -1;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.feature-card-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 20px;
  box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-card-icon {
  transform: rotateY(180deg);
}

.feature-card-icon i {
  font-size: 2rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.feature-card:hover h3 {
  color: var(--primary-color);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Unique Features Section */
#unique-features {
  background-color: var(--white);
}

.unique-features-grid {
  display: flex;
  flex-direction: column;
  gap: 80px;
  margin-top: 50px;
}

.unique-feature {
  display: flex;
  align-items: center;
  gap: 50px;
  transition: all 0.3s ease;
}

.unique-feature.reverse {
  flex-direction: row-reverse;
}

.unique-feature-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.feature-icon-large {
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 15px 30px rgba(46, 204, 113, 0.3);
  transition: all 0.5s ease;
  position: relative;
  z-index: 1;
}

.feature-icon-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(46, 204, 113, 0.3) 0%, rgba(46, 204, 113, 0) 70%);
  border-radius: 50%;
  animation: pulse 2s infinite;
  z-index: 0;
}

.unique-feature:hover .feature-icon-large {
  transform: scale(1.1) rotate(10deg);
}

.feature-icon-large i {
  font-size: 4rem;
  color: white;
}

.unique-feature-content {
  flex: 2;
}

.unique-feature-content h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--text-color);
  position: relative;
  display: inline-block;
  transition: color 0.3s ease;
}

.unique-feature-content h3::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(to right, var(--primary-color), var(--primary-light));
  transition: width 0.3s ease;
}

.unique-feature:hover .unique-feature-content h3 {
  color: var(--primary-color);
}

.unique-feature:hover .unique-feature-content h3::after {
  width: 100px;
}

.unique-feature-content p {
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* Progress Tracking Section */
#progress-tracking {
  background-color: var(--background-color);
}

.progress-showcase {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-top: 50px;
}

.chart-container {
  flex: 1;
  display: flex;
  justify-content: center;
}

.chart-mockup {
  width: 100%;
  max-width: 500px;
  background-color: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.chart-mockup:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.chart-title {
  font-weight: 600;
  color: var(--text-color);
  font-size: 1.2rem;
}

.chart-period {
  font-size: 0.9rem;
  color: var(--text-light);
  background-color: rgba(46, 204, 113, 0.1);
  padding: 5px 15px;
  border-radius: 20px;
}

.chart-inner {
  height: 250px;
  position: relative;
  margin-bottom: 20px;
  overflow: hidden;
  background-color: rgba(46, 204, 113, 0.05);
  border-radius: 15px;
  padding: 20px 10px;
}

.chart-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  top: 0;
  left: 0;
}

.grid-line {
  width: 100%;
  height: 1px;
  background-color: rgba(0, 0, 0, 0.05);
}

.chart-path {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.chart-path.animated::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--primary-color) 2%,
    var(--primary-color) 15%,
    transparent 18%,
    transparent 20%,
    var(--primary-color) 22%,
    var(--primary-color) 35%,
    transparent 38%,
    transparent 40%,
    var(--primary-color) 42%,
    var(--primary-color) 55%,
    transparent 58%,
    transparent 60%,
    var(--primary-color) 62%,
    var(--primary-color) 75%,
    transparent 78%,
    transparent 80%,
    var(--primary-color) 82%,
    var(--primary-color) 95%,
    transparent 98%
  );
  background-size: 100% 2px;
  background-repeat: no-repeat;
  background-position: bottom;
  animation: drawLine 2s forwards;
}

@keyframes drawLine {
  0% {
    background-position: 0 bottom;
    opacity: 0;
  }
  100% {
    background-position: 100% bottom;
    opacity: 1;
  }
}

.chart-dots {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.chart-dot {
  width: 12px;
  height: 12px;
  background-color: var(--primary-color);
  border: 3px solid white;
  border-radius: 50%;
  position: absolute;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  opacity: 0;
  animation: fadeIn 0.5s forwards;
  animation-delay: calc(var(--i, 0) * 0.2s + 1s);
}

.chart-dot:nth-child(1) {
  --i: 1;
}
.chart-dot:nth-child(2) {
  --i: 2;
}
.chart-dot:nth-child(3) {
  --i: 3;
}
.chart-dot:nth-child(4) {
  --i: 4;
}
.chart-dot:nth-child(5) {
  --i: 5;
}
.chart-dot:nth-child(6) {
  --i: 6;
}
.chart-dot:nth-child(7) {
  --i: 7;
}

.chart-dot:hover {
  transform: scale(1.5);
  background-color: var(--primary-dark);
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
}

.progress-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.progress-feature {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 25px;
  background-color: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
}

.progress-feature:hover {
  transform: translateY(-5px) translateX(5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.progress-feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
  transition: all 0.3s ease;
}

.progress-feature:hover .progress-feature-icon {
  transform: rotate(10deg);
}

.progress-feature-icon i {
  font-size: 1.8rem;
  color: white;
}

.progress-feature h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.progress-feature:hover h3 {
  color: var(--primary-color);
}

.progress-feature p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* How it works section styles */
#how-it-works {
  background-color: var(--white);
  position: relative;
}

.steps {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 50px;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 250px;
  text-align: center;
  padding: 40px 30px;
  background-color: white;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.step:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 50px rgba(46, 204, 113, 0.2);
  color: white;
}

.step:hover::before {
  opacity: 1;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: white;
  font-size: 1.8rem;
  font-weight: bold;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 25px;
  transition: all 0.5s ease;
  box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
  position: relative;
  z-index: 2;
}

.step:hover .step-number {
  background-color: white;
  color: var(--primary-color);
  transform: scale(1.1) rotate(360deg);
}

.step h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--text-color);
  transition: color 0.3s ease;
  position: relative;
  z-index: 2;
}

.step:hover h3 {
  color: white;
}

.step p {
  font-size: 1rem;
  color: var(--text-light);
  transition: color 0.3s ease;
  position: relative;
  z-index: 2;
}

.step:hover p {
  color: rgba(255, 255, 255, 0.9);
}

/* Benefits section styles */
#benefits {
  background-color: var(--background-color);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.benefit-card {
  background-color: white;
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.benefit-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, var(--primary-color), var(--primary-light));
  z-index: -1;
}

.benefit-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 25px;
  box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
  transition: all 0.5s ease;
}

.benefit-card:hover .benefit-icon {
  transform: rotateY(180deg);
}

.benefit-icon i {
  font-size: 2.5rem;
  color: white;
}

.benefit-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.benefit-card:hover h3 {
  color: var(--primary-color);
}

.benefit-card p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Download section styles */
#download {
  padding: 100px 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

#download::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
  opacity: 0.3;
}

#download h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  position: relative;
}

#download p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

/* Botones de descarga */
.download-section {
  position: relative;
  z-index: 1;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.download-button,
.start-button {
  display: inline-flex;
  align-items: center;
  padding: 15px 30px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.download-button::before,
.start-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: all 0.6s;
}

.download-button:hover::before,
.start-button:hover::before {
  left: 100%;
}

.download-button {
  background-color: white;
  color: var(--primary-color);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.download-button:hover {
  background-color: var(--background-color);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.start-button {
  background-color: var(--secondary-color);
  color: white;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.start-button:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.download-button i,
.start-button i {
  margin-right: 10px;
  font-size: 1.2rem;
}

/* Badges de tiendas */
.store-badges {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Google Play badge */
.store-badge {
  height: 60px;
  max-width: 200px;
  transition: all 0.3s ease;
}

.store-badge:hover {
  transform: translateY(-5px);
  filter: brightness(1.1);
}

/* Microsoft Store badge */
ms-store-badge::part(img) {
  height: 60px;
  max-width: 200px;
  transition: all 0.3s ease;
}

ms-store-badge:hover::part(img) {
  transform: translateY(-5px);
  filter: brightness(1.1);
}

.store-legal {
  margin-top: 30px;
  font-size: 0.8rem;
  opacity: 0.7;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer styles */
footer {
  background-color: #333;
  color: white;
  padding: 80px 0 20px;
  position: relative;
  overflow: hidden;
}

.footer-waves {
  position: absolute;
  top: -100px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  transform: rotate(180deg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.footer-logo img {
  width: 40px;
  margin-right: 10px;
  filter: brightness(1.2);
}

.footer-logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-light);
}

.footer-links,
.footer-social {
  margin-bottom: 30px;
}

.footer-links h4,
.footer-social h4 {
  margin-bottom: 20px;
  font-size: 1.2rem;
  position: relative;
  display: inline-block;
}

.footer-links h4::after,
.footer-social h4::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary-color);
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 15px;
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 15px;
}

.footer-links ul li a::before {
  content: "→";
  position: absolute;
  left: 0;
  opacity: 0;
  transition: all 0.3s ease;
}

.footer-links ul li a:hover {
  color: var(--primary-light);
  padding-left: 20px;
}

.footer-links ul li a:hover::before {
  opacity: 1;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icon {
  color: white;
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
}

.social-icon:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

.footer-bottom {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-13px);
  }
}

@keyframes gradientBG {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Responsive styles */
@media screen and (max-width: 1200px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content h1 {
    font-size: 3rem;
  }

  .climate-content {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .climate-text .section-title {
    text-align: center;
  }

  .climate-text .section-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .climate-stats {
    justify-content: center;
  }
}

@media screen and (max-width: 992px) {
  .app-preview,
  .progress-showcase,
  .unique-feature,
  .unique-feature.reverse {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
  }

  .unique-feature-content h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .feature-icon-large {
    margin-bottom: 30px;
  }

  #hero {
    padding: 120px 20px 80px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
    text-align: center;
  }

  .hero-content p {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .climate-stats {
    flex-direction: column;
    gap: 20px;
  }
}

@media screen and (max-width: 768px) {
  .nav-links {
    position: fixed;
    right: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    z-index: 999;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    margin: 20px 0;
  }

  .burger {
    display: block;
  }

  #hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 120px 20px 50px;
  }

  .hero-content {
    grid-column: 1;
    order: 1;
    padding-right: 0;
    align-items: center;
  }

  .hero-image {
    grid-column: 1;
    order: 2;
    margin-top: 50px;
  }

  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .step {
    width: 100%;
    max-width: 300px;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .download-button,
  .start-button {
    width: 100%;
    max-width: 300px;
    justify-content: center;
    margin-bottom: 15px;
  }

  .store-badges {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links h4::after,
  .footer-social h4::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-links ul li a {
    padding-left: 0;
  }

  .footer-links ul li a::before {
    display: none;
  }

  .footer-links ul li a:hover {
    padding-left: 0;
  }

  .social-icons {
    justify-content: center;
  }

  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .language-selector {
    top: 61px;
    margin-top: 10px;
  }

  .climate-button {
    padding: 6px 15px;
    font-size: 0.9rem;
  }

  .climate-icon {
    width: 99px;
    height: 25px;
  }
}

@media screen and (max-width: 576px) {
  .photo-grid {
    grid-template-columns: 1fr;
  }

  .language-selector {
    width: 90%;
    max-width: 175px;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .feature-highlight,
  .progress-feature {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 15px;
  }

  .feature-icon,
  .progress-feature-icon {
    margin-bottom: 15px;
  }

  .benefit-card,
  .feature-card {
    padding: 20px 15px;
  }

  .unique-feature {
    gap: 20px;
  }

  .unique-feature-content h3 {
    font-size: 1.5rem;
  }

  .unique-feature-content p {
    font-size: 1rem;
  }

  nav {
    padding: 15px 20px;
  }

  .features-tabs {
    flex-direction: column;
    gap: 10px;
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
  }

  .climate-button span {
    display: none;
  }

  .climate-button {
    padding: 8px 12px;
  }
}

/* Burger menu animation */
.burger.toggle .line1 {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.burger.toggle .line2 {
  opacity: 0;
}

.burger.toggle .line3 {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Ensure all icons on colored backgrounds are white */
.feature-icon i,
.feature-card-icon i,
.feature-icon-large i,
.progress-feature-icon i,
.benefit-icon i,
.step-number,
#download .start-button i {
  color: white;
}

/* Fix icon colors on green backgrounds */
#download .download-button i {
  color: var(--primary-color);
}