/* ==========================================================================
   PooyText Modern SMS Gateway & Messaging Platform Stylesheet
   Light, Crisp, High-Tech Corporate Theme
   ========================================================================== */

:root {
  /* Brand Theme Colors (Light Palette - Royal Blue & Indigo Tech) */
  --bg-main: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-subtle: #F1F5F9;

  --border-subtle: #E2E8F0;
  --border-card: #E2E8F0;
  --border-primary: #2563EB;

  --primary: #2563EB;
  /* آبی سلطنتی و مدرن پیام‌رسانی */
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --primary-glow: rgba(37, 99, 235, 0.15);

  --secondary: #0D9488;
  /* فیروزه‌ای */
  --accent: #F59E0B;
  /* کهربایی */
  --accent-purple: #7C3AED;
  --success: #10B981;
  --danger: #EF4444;

  --text-primary: #0F172A;
  /* Slate 900 */
  --text-secondary: #334155;
  /* Slate 700 */
  --text-muted: #64748B;
  /* Slate 500 */
  --text-inverse: #FFFFFF;

  --font-fa: 'Vazirmatn', system-ui, -apple-system, sans-serif;
  --font-en: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.05);

  --transition: all 0.25s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-fa);
  color: var(--text-primary);
  background-color: var(--bg-main);
  line-height: 1.7;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 90% 25%, rgba(124, 58, 237, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(13, 148, 136, 0.04) 0%, transparent 50%),
    var(--bg-main);
}

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

ul {
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Gradients & Text effects */
.gradient-text {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   Header & Navbar (Fixed & Clean)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 90px;
  gap: 24px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-badge {
  width: 90px;
  height: 90px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-img-el {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-main-text {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.logo-sub-text {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 4px;
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
  color: #FFFFFF;
}

.btn-light {
  background: #FFFFFF;
  color: var(--text-primary);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-light:hover {
  background: var(--bg-subtle);
  border-color: var(--border-card);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 150px;
  padding-bottom: 70px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.3);
  }
}

.hero-title {
  font-size: 2.9rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 820px;
  margin: 0 auto 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 28px 36px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  max-width: 1060px;
  margin: 0 auto;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.metric-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.metric-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-en), var(--font-fa);
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* ==========================================================================
   Section Headers & Grids
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.35;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Features Grid */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}

.feature-bullets {
  list-style: none;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-bullet-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.feature-bullet-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Protocols & Infrastructure Section */
.protocols-section {
  padding: 80px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.protocols-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.protocol-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  text-align: center;
  transition: var(--transition);
}

.protocol-card:hover {
  background: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.protocol-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 12px;
  margin-bottom: 8px;
}

.protocol-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Deep-dive / Technical Console */
.tech-showcase-section {
  padding: 80px 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.console-mockup {
  background: #0F172A;
  border: 1px solid #334155;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.console-header {
  background: #1E293B;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #475569;
}

.console-dots span:nth-child(1) {
  background: #EF4444;
}

.console-dots span:nth-child(2) {
  background: #F59E0B;
}

.console-dots span:nth-child(3) {
  background: #10B981;
}

.console-title {
  font-size: 0.78rem;
  color: #94A3B8;
  font-family: var(--font-mono);
}

.console-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* Reseller & Enterprise Architecture */
.reseller-section {
  padding: 80px 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.reseller-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.reseller-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-card);
}

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

.reseller-box p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Contact / Demo Section */
.contact-section {
  padding: 80px 0;
}

.contact-card-wrap {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 50px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  box-shadow: var(--shadow-card);
}

.contact-info h2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 600;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Footer */
.site-footer {
  background: #0F172A;
  color: #FFFFFF;
  padding: 60px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #CBD5E1;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: #60A5FA;
  transform: translateX(-4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #94A3B8;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.4rem;
  }

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

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

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

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

  .contact-card-wrap {
    grid-template-columns: 1fr;
    padding: 36px 24px;
  }

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

@media (max-width: 768px) {

  .nav-menu,
  .nav-actions {
    display: none;
  }

  .hero-title {
    font-size: 1.9rem;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    padding: 20px;
  }

  .metric-item:not(:last-child)::after {
    display: none;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}