:root {
  /* PuurCRM Brand Colors */
  --color-brand-pink: #E879A6;
  --color-brand-sage: #B5C99A;
  --color-brand-orange: #F2B544;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #E879A6 0%, #B5C99A 50%, #F2B544 100%);
  --gradient-primary: linear-gradient(135deg, #E879A6 0%, #F2B544 100%);

  /* Base colors */
  --color-background: #fefcf7;
  --color-text: #1f2937;
  --color-text-muted: #4b5563;
  --color-success: #10B981;
  --color-error: #EF4444;

  /* Spacing & Layout */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --shadow-md: 0 4px 6px -1px rgba(232, 121, 166, 0.12);
  --shadow-lg: 0 10px 15px -3px rgba(232, 121, 166, 0.15);

  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

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

a:hover { color: var(--color-brand-orange); }

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--spacing-xl); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  background: transparent;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

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

.btn--primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn--accent {
  background-color: var(--color-brand-orange);
  color: white;
}

.btn--accent:hover:not(:disabled) {
  background-color: #E09F1F;
  transform: translateY(-1px);
}

.btn--lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

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

/* Sections */
.section { padding: var(--spacing-3xl) 0; }

.section--gray {
  background: linear-gradient(145deg, #f9fafb 0%, #f3f4f6 100%);
}

.section--primary {
  background: var(--gradient-hero);
  color: white;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section__title {
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section--primary .section__title {
  background: linear-gradient(135deg, white 0%, rgba(255,255,255,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section--primary .section__subtitle {
  color: rgba(255, 255, 255, 0.9);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  min-height: 70px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav__brand h2 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.version-badge {
  background: linear-gradient(135deg, #D0E3BB 0%, #B5C99A 100%);
  color: white;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}

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

.nav__link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 50%;
  background: var(--gradient-primary);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

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

/* Language Selector */
.language-selector {
  display: flex;
  background: linear-gradient(145deg, #f3f4f6 0%, #e5e7eb 100%);
  border-radius: var(--radius-md);
  padding: 0.125rem;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.5rem;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.lang-btn.active {
  background: linear-gradient(135deg, #D0E3BB 0%, #B5C99A 100%);
  color: white;
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: calc(70px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: var(--gradient-hero);
  color: white;
  overflow: hidden;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

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

.hero__title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

@media (max-width: 767px) {
  .hero__title { font-size: 2.5rem; }
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero__cta { margin-bottom: var(--spacing-xl); }

.hero__trial-note {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.8;
  margin-bottom: 0;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.stat {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat__number {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

/* Hero Mockup */
.hero__mockup {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
}

.mockup__header {
  background: #f8fafc;
  padding: var(--spacing-md);
  border-bottom: 1px solid #e5e7eb;
}

.mockup__controls {
  display: flex;
  gap: var(--spacing-xs);
}

.mockup__controls span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mockup__controls span:nth-child(1) { background-color: #EF4444; }
.mockup__controls span:nth-child(2) { background-color: #F59E0B; }
.mockup__controls span:nth-child(3) { background-color: #10B981; }

.mockup__content {
  display: flex;
  height: 300px;
}

.mockup__sidebar {
  width: 200px;
  background: #f9fafb;
  padding: var(--spacing-md);
  border-right: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sidebar__item {
  height: 32px;
  background-color: #e5e7eb;
  border-radius: var(--radius-sm);
}

.sidebar__item.active {
  background: var(--gradient-primary);
}

.mockup__main {
  flex: 1;
  padding: var(--spacing-md);
}

.main__header {
  height: 40px;
  background: linear-gradient(135deg, #D0E3BB 0%, #B5C99A 100%);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
}

.main__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  height: 200px;
}

.grid__card {
  background: #f8fafc;
  border-radius: var(--radius-md);
  border: 1px solid #e5e7eb;
}

/* Features Section */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature {
  text-align: center;
  padding: var(--spacing-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

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

.feature__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #D0E3BB 0%, #B5C99A 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.5rem;
}

.feature__title {
  margin-bottom: var(--spacing-md);
}

.feature__description {
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Modules Section */
.modules__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.module {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.module:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.module__title {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 var(--spacing-md);
}

.module__description {
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Pricing Section */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.pricing__plan {
  background: white;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
}

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

.pricing__plan--popular {
  border: 2px solid var(--color-brand-pink);
  transform: scale(1.05);
}

.pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.pricing__amount {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0.25rem;
}

.pricing__features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-xl);
}

.pricing__features li {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pricing__features i {
  color: var(--color-success);
  font-size: 1rem;
}

/* Form Styles */
.form {
  background: rgba(255, 255, 255, 0.15);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.form__group { margin-bottom: var(--spacing-lg); }

.form__label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: white;
}

.form__control {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form__control::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.form__control:focus {
  outline: none;
  border-color: var(--color-brand-orange);
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* Success State */
.form__success {
  text-align: center;
  padding: var(--spacing-xl);
  animation: fadeIn 0.5s ease;
}

.form__success.hidden { display: none; }

.success__icon {
  margin-bottom: var(--spacing-lg);
}

.success__icon i {
  font-size: 4rem;
  color: var(--color-success);
  background-color: rgba(16, 185, 129, 0.2);
  padding: var(--spacing-lg);
  border-radius: 50%;
  animation: scaleIn 0.5s ease 0.2s both;
}

.form__success h3 {
  color: white;
  margin-bottom: var(--spacing-md);
  animation: slideInUp 0.5s ease 0.4s both;
}

.form__success p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  line-height: 1.6;
  animation: slideInUp 0.5s ease 0.6s both;
  margin: 0;
}

.form__note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  font-size: 0.875rem;
  opacity: 0.8;
  margin-bottom: 0;
}

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

@keyframes scaleIn {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes slideInUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.btn:disabled .fa-spinner {
  animation: spin 1s linear infinite;
}

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

/* Testimonials */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
}

.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial__quote {
  font-size: 1.125rem;
  font-style: italic;
  margin: 0 0 var(--spacing-lg);
  line-height: 1.6;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial__avatar {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #D0E3BB 0%, #B5C99A 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* FAQ */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: white;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.faq__question {
  width: 100%;
  padding: var(--spacing-lg);
  background: none;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-fast);
  color: var(--color-text);
}

.faq__question:hover {
  background: rgba(181, 201, 154, 0.1);
}

.faq__icon {
  transition: transform var(--transition-fast);
  color: var(--color-brand-pink);
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq__item.active .faq__answer {
  max-height: 200px;
}

.faq__answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__section h3 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-lg);
}

.footer__section ul { list-style: none; }

.footer__section li { margin-bottom: var(--spacing-sm); }

.footer__section a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer__section a:hover { color: var(--color-brand-orange); }

/* Responsive */
@media (max-width: 767px) {
  .nav__link { display: none; }
  .hero__title { font-size: 2rem; }
  .form__row { grid-template-columns: 1fr; }
  .language-selector { order: -1; }
}

/* Utility Classes */
.hidden { display: none !important; }