/* =============== BASE =============== */
:root {
  /* Colors - Inspired by Solomon's modern palette */
  --primary-color: #25D366;
  --primary-color-dark: #1DA851;
  --primary-color-light: #34D374;
  --secondary-color: #128C7E;
  --accent-color: #0066FF;
  --accent-color-light: #4285F4;
  
  /* Text colors - Darker for better readability */
  --text-color: #1a1a1a;
  --text-color-light: #4a5568;
  --text-color-lighter: #718096;
  --text-muted: #a0aec0;
  
  /* Background colors */
  --white-color: #FFFFFF;
  --background-color: #FAFBFC;
  --background-secondary: #F7FAFC;
  --card-background: #FFFFFF;
  --border-color: #E2E8F0;
  --border-color-light: #EDF2F7;
  
  /* Shadows - More sophisticated */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  --gradient-accent: linear-gradient(135deg, #4285F4 0%, #0066FF 100%);
  --gradient-background: linear-gradient(180deg, #FAFBFC 0%, #F7FAFC 100%);

  /* Typography - Better hierarchy */
  --body-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --biggest-font-size: 3.75rem;
  --h1-font-size: 2.75rem;
  --h2-font-size: 2.25rem;
  --h3-font-size: 1.5rem;
  --h4-font-size: 1.25rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;
  --smaller-font-size: 0.75rem;

  /* Font Weight */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;
  --font-extra-bold: 800;

  /* Spacing - More consistent */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;

  /* Z-index */
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* Responsive Typography */
@media screen and (max-width: 992px) {
  :root {
    --biggest-font-size: 3rem;
    --h1-font-size: 2.25rem;
    --h2-font-size: 1.875rem;
    --h3-font-size: 1.375rem;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --biggest-font-size: 2.5rem;
    --h1-font-size: 2rem;
    --h2-font-size: 1.625rem;
    --h3-font-size: 1.25rem;
  }
}

@media screen and (max-width: 576px) {
  :root {
    --biggest-font-size: 2.25rem;
    --h1-font-size: 1.75rem;
    --h2-font-size: 1.5rem;
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  font-weight: var(--font-regular);
  color: var(--text-color);
  background: var(--gradient-background);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-color);
  font-weight: var(--font-semi-bold);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 { font-size: var(--h1-font-size); font-weight: var(--font-bold); }
h2 { font-size: var(--h2-font-size); font-weight: var(--font-bold); }
h3 { font-size: var(--h3-font-size); font-weight: var(--font-semi-bold); }

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

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

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

/* =============== REUSABLE CSS CLASSES =============== */
.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container--large {
  max-width: 1440px;
}

.container--small {
  max-width: 960px;
}

.grid {
  display: grid;
}

.flex {
  display: flex;
}

.section {
  padding: var(--space-20) 0 var(--space-16);
}

.section--large {
  padding: var(--space-20) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 768px;
  margin-left: auto;
  margin-right: auto;
}

.section__subtitle {
  font-size: var(--small-font-size);
  font-weight: var(--font-medium);
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--h2-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

.section__description {
  font-size: 1.125rem;
  color: var(--text-color-light);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

.text-gradient {
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* =============== BUTTONS =============== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: var(--font-medium);
  font-size: var(--normal-font-size);
  line-height: 1;
  transition: var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.button--primary {
  background: var(--gradient-primary);
  color: var(--white-color);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: var(--gradient-primary);
  background-size: 150% 150%;
}

.button--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.button--secondary {
  background: var(--white-color);
  color: var(--text-color);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.button--secondary:hover {
  background: var(--background-secondary);
  border-color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button--ghost {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.button--ghost:hover {
  background: var(--primary-color);
  color: var(--white-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button--large {
  padding: var(--space-5) var(--space-8);
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

.button--small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--small-font-size);
}

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

/* Button icon styling */
.button i {
  font-size: 1.125em;
  transition: var(--transition-fast);
}

.button:hover i {
  transform: scale(1.1);
}

/* =============== HEADER & NAV =============== */
.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color-light);
  transition: var(--transition-normal);
}

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

.nav {
  height: 5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-bold);
  font-size: 1.375rem;
  color: var(--text-color);
  text-decoration: none;
}

.nav__logo i {
  font-size: 1.75rem;
  color: var(--primary-color);
  transition: var(--transition-fast);
}

.nav__logo:hover i {
  transform: scale(1.1);
}

.nav__menu {
  position: relative;
}

.nav__list {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.nav__link {
  font-weight: var(--font-medium);
  color: var(--text-color-light);
  transition: var(--transition-fast);
  position: relative;
  padding: var(--space-2) 0;
}

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

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

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

.nav__link--cta {
  background: var(--gradient-primary);
  color: var(--white-color) !important;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
  transition: var(--transition-fast);
}

.nav__toggle:hover,
.nav__close:hover {
  color: var(--primary-color);
}

/* =============== HOME =============== */
.home {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 25%, rgba(37, 211, 102, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(18, 140, 126, 0.05) 0%, transparent 50%);
  z-index: -1;
}

.home__container {
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.home__data {
  max-width: 600px;
}

.home__subtitle {
  font-size: var(--small-font-size);
  font-weight: var(--font-medium);
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.home__subtitle::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
}

.home__title {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-extra-bold);
  margin-bottom: var(--space-6);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.home__description {
  font-size: 1.25rem;
  color: var(--text-color-light);
  margin-bottom: var(--space-8);
  line-height: 1.6;
  max-width: 500px;
}

.home__buttons {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.home__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.stat {
  text-align: center;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color-light);
  transition: var(--transition-normal);
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat__number {
  font-size: var(--h2-font-size);
  font-weight: var(--font-extra-bold);
  color: var(--primary-color);
  margin-bottom: var(--space-1);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat__text {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
  font-weight: var(--font-medium);
}

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

.home__mockup {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(1deg); }
  50% { transform: translateY(-20px) rotate(0deg); }
  75% { transform: translateY(-10px) rotate(-1deg); }
}

.phone {
  width: 320px;
  height: 640px;
  background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
  border-radius: 40px;
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow-xl);
  border: 2px solid #333;
}

.phone__screen {
  width: 100%;
  height: 100%;
  background: #f0f2f5;
  border-radius: 32px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.whatsapp-chat {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.chat-header {
  background: var(--primary-color);
  color: white;
  padding: var(--space-4);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
}

.chat-header i {
  font-size: 1.5rem;
}

.chat-messages {
  flex: 1;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: linear-gradient(180deg, #f0f2f5 0%, #e5ddd5 100%);
}

.message {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  line-height: 1.4;
  word-wrap: break-word;
  position: relative;
  box-shadow: var(--shadow-sm);
  animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.received {
  background: white;
  align-self: flex-start;
  border-bottom-left-radius: var(--radius-sm);
  color: var(--text-color);
}

.message.sent {
  background: #d1f4cc;
  align-self: flex-end;
  border-bottom-right-radius: var(--radius-sm);
  color: var(--text-color);
}

/* =============== FEATURES =============== */
.features {
  background: var(--white-color);
  padding: var(--space-20) 0;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.features__container {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.feature__card {
  background: var(--card-background);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition-normal);
  border: 1px solid var(--border-color-light);
  position: relative;
  overflow: hidden;
}

.feature__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: translateX(-100%);
  transition: var(--transition-normal);
}

.feature__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37, 211, 102, 0.2);
}

.feature__card:hover::before {
  transform: translateX(0);
}

.feature__icon {
  width: 96px;
  height: 96px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: var(--white-color);
  font-size: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.feature__icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0.2;
  transform: scale(0);
  transition: var(--transition-normal);
}

.feature__card:hover .feature__icon::after {
  transform: scale(1);
}

.feature__title {
  font-size: var(--h3-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--text-color);
}

.feature__description {
  color: var(--text-color-light);
  line-height: 1.6;
  font-size: 1.0625rem;
}

/* =============== PRICING =============== */
.pricing {
  padding: var(--space-20) 0;
  background: var(--background-secondary);
  position: relative;
}

.pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(66, 133, 244, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(37, 211, 102, 0.03) 0%, transparent 50%);
}

.pricing__container {
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.pricing__card {
  background: var(--card-background);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-6);
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
  border: 2px solid transparent;
  overflow: hidden;
}

.pricing__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: -1;
}

.pricing__card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.pricing__card--featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.02), rgba(255, 255, 255, 1));
}

.pricing__card--featured:hover {
  transform: scale(1.05) translateY(-12px);
}

.pricing__badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--white-color);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-xl);
  font-weight: var(--font-semi-bold);
  font-size: var(--small-font-size);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.pricing__header {
  margin-bottom: var(--space-8);
}

.pricing__title {
  font-size: var(--h3-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--text-color);
}

.pricing__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.pricing__currency {
  font-size: var(--h4-font-size);
  font-weight: var(--font-medium);
  color: var(--text-color-light);
}

.pricing__amount {
  font-size: 3.5rem;
  font-weight: var(--font-extra-bold);
  color: var(--text-color);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pricing__period {
  font-size: var(--normal-font-size);
  color: var(--text-color-light);
  font-weight: var(--font-medium);
}

.pricing__description {
  color: var(--text-color-light);
  font-size: var(--normal-font-size);
  line-height: 1.5;
}

.pricing__features {
  margin-bottom: var(--space-8);
  text-align: left;
}

.pricing__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-color-light);
}

.pricing__feature:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.pricing__feature i {
  color: var(--primary-color);
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.pricing__feature span {
  font-size: var(--normal-font-size);
  color: var(--text-color);
  font-weight: var(--font-medium);
}

.pricing__button {
  width: 100%;
  justify-content: center;
  font-size: 1.125rem;
  padding: var(--space-4) var(--space-6);
}

.pricing__note {
  text-align: center;
  margin-top: var(--space-12);
  padding: var(--space-6);
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.08), rgba(255, 255, 255, 0.9));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(37, 211, 102, 0.2);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.pricing__note p {
  font-size: 1.125rem;
  color: var(--text-color);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.pricing__note i {
  color: var(--primary-color);
  font-size: 1.375rem;
}

/* =============== CONTACT =============== */
.contact {
  background: var(--white-color);
  padding: var(--space-20) 0;
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.contact__title {
  font-size: var(--h1-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--text-color);
}

.contact__description {
  color: var(--text-color-light);
  margin-bottom: var(--space-8);
  font-size: 1.125rem;
  line-height: 1.6;
}

.contact__buttons {
  margin-bottom: var(--space-8);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-color-light);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--background-secondary);
  transition: var(--transition-fast);
}

.contact__item:hover {
  background: rgba(37, 211, 102, 0.05);
  color: var(--text-color);
}

.contact__item i {
  color: var(--primary-color);
  font-size: 1.5rem;
  width: 24px;
  text-align: center;
}

.contact__mockup {
  background: var(--gradient-primary);
  color: var(--white-color);
  padding: var(--space-12) var(--space-8);
  border-radius: var(--radius-2xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.contact__mockup::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.contact__mockup i {
  font-size: 5rem;
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.contact__mockup h3 {
  font-size: var(--h2-font-size);
  margin-bottom: var(--space-4);
  color: var(--white-color);
  font-weight: var(--font-bold);
  position: relative;
  z-index: 1;
}

.contact__mockup p {
  font-size: 1.125rem;
  opacity: 0.95;
  position: relative;
  z-index: 1;
  line-height: 1.5;
}

/* =============== FOOTER =============== */
.footer {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: var(--white-color);
  padding: var(--space-16) 0 var(--space-6);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 211, 102, 0.3), transparent);
}

.footer__container {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer__content {
  transition: var(--transition-fast);
}

.footer__content:hover {
  transform: translateY(-2px);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-bold);
  font-size: 1.375rem;
  color: var(--white-color);
  margin-bottom: var(--space-4);
  text-decoration: none;
}

.footer__logo i {
  font-size: 1.75rem;
  color: var(--primary-color);
}

.footer__description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 300px;
}

.footer__title {
  font-size: var(--h4-font-size);
  margin-bottom: var(--space-4);
  color: var(--white-color);
  font-weight: var(--font-semi-bold);
  position: relative;
}

.footer__title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a,
.footer__links li {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
  font-size: var(--normal-font-size);
}

.footer__links a:hover {
  color: var(--primary-color);
  transform: translateX(4px);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__copy {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--small-font-size);
}

.footer__company {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--smaller-font-size);
  font-weight: var(--font-medium);
}

.footer__company {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--smaller-font-size);
  font-weight: var(--font-medium);
}

/* =============== RESPONSIVE =============== */
@media screen and (max-width: 1200px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
  
  .features__container {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
  
  .pricing__container {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

@media screen and (max-width: 992px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .section {
    padding: var(--space-16) 0 var(--space-12);
  }

  .home__container {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .home__image {
    order: -1;
  }

  .phone {
    width: 280px;
    height: 560px;
  }

  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .home__stats {
    justify-content: center;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer__bottom {
    text-align: center;
  }
}

@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    background: var(--white-color);
    width: 100%;
    height: 100vh;
    top: 0;
    right: -100%;
    box-shadow: var(--shadow-xl);
    padding: var(--space-16) var(--space-6) var(--space-6);
    transition: var(--transition-normal);
    z-index: var(--z-fixed);
    backdrop-filter: blur(20px);
  }

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

  .nav__list {
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-8);
  }

  .nav__link {
    font-size: 1.125rem;
    padding: var(--space-3) 0;
  }

  .nav__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: 2rem;
  }

  .nav__toggle,
  .nav__close {
    display: block;
  }

  .section {
    padding: var(--space-12) 0 var(--space-10);
  }

  .section__header {
    margin-bottom: var(--space-12);
  }

  .home {
    padding-top: var(--space-16);
    min-height: auto;
  }

  .home__buttons {
    justify-content: center;
    gap: var(--space-3);
  }

  .home__stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .phone {
    width: 240px;
    height: 480px;
    padding: 16px;
  }

  .features__container {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .pricing__container {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .pricing__card--featured {
    transform: none;
  }

  .pricing__card--featured:hover {
    transform: translateY(-8px);
  }

  .button--large {
    padding: var(--space-4) var(--space-6);
    font-size: var(--normal-font-size);
  }
}

@media screen and (max-width: 576px) {
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .section {
    padding: var(--space-10) 0 var(--space-8);
  }

  .section__header {
    margin-bottom: var(--space-10);
  }

  .home__buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .button {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .home__stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    max-width: 280px;
  }

  .phone {
    width: 200px;
    height: 400px;
    padding: 12px;
  }

  .chat-messages {
    padding: var(--space-3);
    gap: var(--space-2);
  }

  .message {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
  }

  .feature__card {
    padding: var(--space-6) var(--space-4);
  }

  .feature__icon {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }

  .pricing__card {
    padding: var(--space-8) var(--space-4);
  }

  .contact__mockup {
    padding: var(--space-8) var(--space-4);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* =============== ANIMATIONS =============== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Apply animations */
.home__data {
  animation: fadeInLeft 1.2s ease-out;
}

.home__image {
  animation: fadeInRight 1.2s ease-out 0.3s both;
}

.feature__card {
  animation: fadeInUp 1s ease-out;
}

.feature__card:nth-child(1) { animation-delay: 0.1s; }
.feature__card:nth-child(2) { animation-delay: 0.2s; }
.feature__card:nth-child(3) { animation-delay: 0.3s; }
.feature__card:nth-child(4) { animation-delay: 0.4s; }
.feature__card:nth-child(5) { animation-delay: 0.5s; }
.feature__card:nth-child(6) { animation-delay: 0.6s; }

.pricing__card {
  animation: scaleIn 1s ease-out;
}

.pricing__card:nth-child(1) { animation-delay: 0.2s; }
.pricing__card:nth-child(2) { animation-delay: 0.4s; }

.stat {
  animation: scaleIn 0.8s ease-out;
}

.stat:nth-child(1) { animation-delay: 0.3s; }
.stat:nth-child(2) { animation-delay: 0.4s; }
.stat:nth-child(3) { animation-delay: 0.5s; }

/* Scroll animations */
.animate {
  animation: fadeInUp 0.8s ease-out;
}

/* Loading animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.loading {
  animation: pulse 2s ease-in-out infinite;
}