/* CSS Variables */
:root {
  --primary: #ff6b6b;
  --primary-dark: #ee5a5a;
  --primary-light: #ff8a8a;
  --secondary: #0ea5e9;
  --accent: #ff6b6b;
  --dark: #111827;
  --dark-light: #1f2937;
  --gray: #6b7280;
  --gray-light: #9ca3af;
  --gray-dark: #374151;
  --gray-lighter: #e5e7eb;
  --white: #ffffff;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --gradient-primary: linear-gradient(
    135deg,
    #ff6b6b 0%,
    #ff8e53 50%,
    #ffb347 100%
  );
  --gradient-hero: linear-gradient(
    180deg,
    rgba(255, 107, 107, 0.05) 0%,
    rgba(255, 142, 83, 0.02) 50%,
    transparent 100%
  );
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(255, 107, 107, 0.35);
}

.btn-nav {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--primary);
  filter: drop-shadow(0 2px 4px rgba(255, 107, 107, 0.3));
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin-left: auto;
  margin-right: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Menu Overlay */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(
    135deg,
    var(--text-primary) 0%,
    var(--gray-dark) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.8;
}

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

.store-btn {
  display: block;
  transition: var(--transition);
}

.store-btn img {
  height: 52px;
  width: auto;
}

.store-btn:hover {
  transform: translateY(-3px);
}

.hero-image {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 320px;
  border-radius: 32px;
  box-shadow: 0 50px 100px rgba(255, 107, 107, 0.15);
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(255, 107, 107, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: 120px 0;
  position: relative;
}

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 120px;
}

.feature-block:last-child {
  margin-bottom: 0;
}

.feature-block.reverse {
  direction: rtl;
}

.feature-block.reverse > * {
  direction: ltr;
}

.feature-content h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-description {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.feature-point {
  display: flex;
  gap: 16px;
}

.feature-point-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(255, 107, 107, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-point-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.feature-point h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-point p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-image {
  display: flex;
  justify-content: center;
  position: relative;
}

.feature-image img {
  max-width: 300px;
  border-radius: 24px;
  box-shadow: var(--shadow-xl);
}

.feature-image::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(255, 107, 107, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}

/* Stats Section */
.stats {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon svg {
  width: 28px;
  height: 28px;
  color: var(--white);
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Testimonials Section */
.testimonials {
  padding: 120px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.testimonial-content {
  margin-bottom: 24px;
}

.testimonial-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
}

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

.author-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.author-info span {
  font-size: 0.875rem;
  color: var(--gray);
}

/* FAQ Section */
.faq {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-question span {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-question svg {
  width: 24px;
  height: 24px;
  color: var(--gray);
  transition: var(--transition);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: 24px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA Section */
.cta {
  padding: 120px 0;
  text-align: center;
  position: relative;
}

.cta::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 107, 107, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.cta p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  padding: 80px 0 32px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

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

.contact-email {
  display: block;
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 0.9375rem;
}

.contact-email:hover {
  color: var(--primary-light);
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--text-secondary);
}

.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.social-links svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    order: 1;
  }

  .hero-image {
    order: 0;
    margin-bottom: 40px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-block.reverse {
    direction: ltr;
  }

  .feature-image {
    order: -1;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 16px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  .btn-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    position: relative;
    z-index: 1001;
  }

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

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

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

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2rem;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 32px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .store-btn img {
    height: 44px;
  }

  .hero-image img {
    max-width: 240px;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .section-header p {
    font-size: 1rem;
  }

  .features {
    padding: 80px 0;
  }

  .feature-block {
    margin-bottom: 80px;
    gap: 32px;
  }

  .feature-content h3 {
    font-size: 1.4rem;
    text-align: center;
  }

  .feature-description {
    font-size: 1rem;
    text-align: center;
  }

  .feature-points {
    gap: 20px;
  }

  .feature-point {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .feature-point-icon {
    margin: 0 auto;
  }

  .feature-image img {
    max-width: 220px;
  }

  .stats {
    padding: 60px 0;
  }

  .stats-grid {
    gap: 24px;
  }

  .stat-item {
    padding: 32px 20px;
  }

  .stat-item h3 {
    font-size: 2.5rem;
  }

  .testimonials {
    padding: 80px 0;
  }

  .testimonials-grid {
    gap: 24px;
  }

  .testimonial-card {
    padding: 24px;
  }

  .faq {
    padding: 80px 0;
  }

  .faq-question {
    padding: 20px 0;
  }

  .faq-question span {
    font-size: 1rem;
    padding-right: 16px;
  }

  .cta {
    padding: 80px 0;
  }

  .cta h2 {
    font-size: 1.75rem;
  }

  .cta p {
    font-size: 1rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .footer {
    padding: 60px 0 24px;
  }

  .footer-content {
    gap: 32px;
    text-align: center;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-links h4,
  .footer-contact h4 {
    margin-bottom: 16px;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 90px 0 50px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-image img {
    max-width: 200px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .feature-content h3 {
    font-size: 1.25rem;
  }

  .feature-image img {
    max-width: 180px;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .cta h2 {
    font-size: 1.5rem;
  }

  .store-btn img {
    height: 40px;
  }
}

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

.hero-content,
.hero-image,
.section-header,
.feature-block,
.testimonial-card,
.stat-item {
  animation: fadeInUp 0.8s ease forwards;
}