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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #7c3aed;
  --accent: #f59e0b;
  --text: #0f172a;
  --text-light: #475569;
  --bg: #ffffff;
  --bg-light: #f8fafc;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.01);
  --shadow-hover: 0 30px 35px -10px rgba(0, 0, 0, 0.1);
  --gradient: linear-gradient(135deg, #2563eb, #7c3aed);
  --gradient-hover: linear-gradient(135deg, #1d4ed8, #6d28d9);
}

[data-theme="dark"] {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #8b5cf6;
  --text: #f1f5f9;
  --text-light: #cbd5e1;
  --bg: #0f172a;
  --bg-light: #1e293b;
  --border: #334155;
  --card-bg: #1e293b;
  --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 30px 35px -10px rgba(0, 0, 0, 0.6);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Vazir', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* استایل لوگو */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 16px;
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.logo:hover .logo-img {
  transform: rotate(360deg) scale(1.1);
}

/* هدر */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 8px 0;
  cursor: pointer;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s;
}

nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background-color 0.3s;
}

.theme-toggle:hover {
  background-color: var(--border);
}

.btn {
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.8rem;
  cursor: pointer;
}

/* دکمه‌های دانلود */
.download-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid transparent;
  cursor: pointer;
}

.download-btn i {
  font-size: 1.4rem;
}

.download-btn.direct {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.download-btn.direct:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.download-btn.market {
  background: var(--card-bg);
  color: var(--text);
  border: 2px solid var(--border);
}

.download-btn.market:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.download-btn.myket {
  background: #34a853;
  color: white;
}

.download-btn.myket:hover {
  background: #2d9249;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(52, 168, 83, 0.4);
}

/* قهرمان */
.hero {
  padding: 80px 0;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-light);
  padding: 10px 20px;
  border-radius: 40px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 600px;
}

/* قاب گوشی */
.phone-frame {
  position: relative;
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
  animation: float 3s ease-in-out infinite;
}

.phone-body {
  position: relative;
  width: 100%;
  padding-bottom: 200%;
  background: linear-gradient(145deg, #1e3a8a, #f97316);
  border-radius: 48px;
  border: 8px solid var(--border);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.phone-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.demo-content {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
}

.demo-content video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dynamic-stats {
  position: absolute;
  top: -30px;
  left: -30px;
  right: -30px;
  bottom: -30px;
  pointer-events: none;
  z-index: 5;
}

.floating-stat {
  position: absolute;
  background: var(--card-bg);
  padding: 16px 20px;
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  text-align: center;
  min-width: 120px;
  backdrop-filter: blur(4px);
  animation: float 3s ease-in-out infinite;
}

.floating-stat.one {
  top: 10%;
  right: -20%;
  animation-delay: 0s;
}

.floating-stat.two {
  bottom: 10%;
  left: -20%;
  animation-delay: 1.5s;
}

.floating-stat .value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
}

.floating-stat .label {
  font-size: 0.8rem;
  color: var(--text-light);
}

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

/* بخش عنوان */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

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

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* کارت‌های بازار */
.market-overview {
  padding: 80px 0;
  background: var(--bg-light);
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.market-card {
  background: var(--card-bg);
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.market-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.market-info h4 {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.market-info .price {
  font-size: 1.8rem;
  font-weight: 700;
}

.market-change {
  text-align: left;
  font-weight: 600;
}

.market-change.positive {
  color: #10b981;
}

.market-change.negative {
  color: #ef4444;
}

.market-change i {
  font-size: 1.4rem;
}

.market-change span {
  display: block;
}

/* ویژگی‌ها */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--card-bg);
  padding: 40px 32px;
  border-radius: 32px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.4s;
}

.feature-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.feature-icon {
  width: 90px;
  height: 90px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  color: white;
  margin: 0 auto 28px;
  transition: transform 0.5s;
}

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

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--text-light);
}

/* نظرات کاربران */
.testimonials {
  padding: 100px 0;
  background: var(--bg-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: var(--card-bg);
  padding: 32px;
  border-radius: 32px;
  border: 1px solid var(--border);
  position: relative;
  transition: all 0.3s;
}

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

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 5rem;
  color: var(--primary);
  opacity: 0.2;
  font-family: serif;
}

.testimonial-text {
  font-size: 1.1rem;
  margin-bottom: 24px;
  line-height: 1.8;
}

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

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.4rem;
}

.author-info h5 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.author-info span {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* بخش دانلود اپلیکیشن */
.app-download {
  padding: 100px 0;
}

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

.app-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.app-content {
  padding: 40px;
}

.app-content h2 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.app-content h2 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.app-content p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 32px;
}

.app-badges {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 400px;
}

/* سوالات متداول */
.faq {
  padding: 100px 0;
  background: var(--bg-light);
}

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

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item.active {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  padding: 24px;
  text-align: right;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toggle-icon {
  font-size: 1.8rem;
  color: var(--primary);
  transition: transform 0.3s;
}

.faq-item.active .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  color: var(--text-light);
}

.faq-item.active .faq-answer {
  padding: 0 24px 24px;
  max-height: 500px;
}

/* فوتر */
footer {
  background: var(--bg-light);
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  text-align: right;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-col h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.footer-col ul li a:hover {
  color: var(--primary);
  transform: translateX(-5px);
}

.footer-col ul li a i {
  font-size: 0.9rem;
  color: var(--primary);
}

.newsletter-form {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 40px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: 'Vazir', sans-serif;
}

.newsletter-form button {
  padding: 12px 24px;
  border-radius: 40px;
  border: none;
  background: var(--gradient);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.newsletter-form button:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.social-links a {
  color: var(--text-light);
  font-size: 1.5rem;
  transition: all 0.3s;
}

.social-links a:hover {
  color: var(--primary);
  transform: translateY(-4px);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ریسپانسیو */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.8rem; }
  .app-showcase { grid-template-columns: 1fr; text-align: center; }
  .app-badges { margin: 0 auto; }
  .floating-stat.one { right: 0; }
  .floating-stat.two { left: 0; }
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle { display: block; }

  nav {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 80px);
    background: var(--card-bg);
    flex-direction: column;
    padding: 40px 24px;
    transition: right 0.3s;
    border-right: 1px solid var(--border);
    z-index: 40;
  }

  nav.active { right: 0; }

  .hero-wrapper { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .floating-stat { display: none; }
  .section-title { font-size: 2rem; }
  .download-buttons { justify-content: center; }
  .app-content h2 { font-size: 2.2rem; }
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-col ul li a {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .download-btn { width: 100%; justify-content: center; }
}