/* ============================================
   SEOTOUR.IR - Professional SEO Services
   Design System & Stylesheet
   ============================================ */

/* ===== CSS Variables / Design Tokens ===== */
:root {
  /* Brand Colors - Deep blue + Cyan accent (SEO/Tech feel) */
  --color-primary: #0A2540;
  --color-primary-light: #1B3A5C;
  --color-primary-dark: #061A2E;
  --color-accent: #00D4FF;
  --color-accent-dark: #00B8E0;
  --color-accent-glow: rgba(0, 212, 255, 0.4);
  
  /* Secondary Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  
  /* Neutral Palette */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-dark: #0A2540;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  
  /* Text Colors */
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-text-inverse: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0A2540 0%, #1B3A5C 100%);
  --gradient-accent: linear-gradient(135deg, #00D4FF 0%, #00B8E0 100%);
  --gradient-hero: linear-gradient(135deg, #061A2E 0%, #0A2540 50%, #1B3A5C 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  
  /* Typography */
  --font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  /* Font Sizes - Fluid Typography */
  --fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --fs-sm: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --fs-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --fs-2xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --fs-3xl: clamp(2.5rem, 1.8rem + 3.5vw, 4rem);
  --fs-4xl: clamp(3rem, 2rem + 5vw, 5rem);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(10, 37, 64, 0.1), 0 2px 4px -1px rgba(10, 37, 64, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(10, 37, 64, 0.1), 0 4px 6px -2px rgba(10, 37, 64, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(10, 37, 64, 0.1), 0 10px 10px -5px rgba(10, 37, 64, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(10, 37, 64, 0.25);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --container-max: 1280px;
  --header-height: 72px;
  
  /* Z-Index Scale */
  --z-base: 1;
  --z-sticky: 100;
  --z-header: 200;
  --z-modal: 1000;
  --z-overlay: 999;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { margin-bottom: var(--space-sm); }

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

a:hover { color: var(--color-accent); }

ul, ol { padding-right: var(--space-md); }

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

/* ===== Container & Layout ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section {
  padding-block: var(--space-3xl);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-text-inverse);
}

.section__header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.section--dark .section__subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent-dark);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* ===== Grid System ===== */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 968px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* ===== Split Layout (2-column responsive) ===== */
.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.split-2--wide {
  grid-template-columns: 1fr 1.5fr;
}

@media (max-width: 968px) {
  .split-2,
  .split-2--wide {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* Split with alternating visual order on mobile */
.split-2--reverse {
  direction: ltr;
}

.split-2--reverse > * {
  direction: rtl;
}

/* Timeline grid (small column + content) */
.timeline-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.timeline-row:last-child {
  border-bottom: none;
}

@media (max-width: 640px) {
  .timeline-row {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .timeline-row > *:first-child {
    text-align: right !important;
    font-size: var(--fs-lg);
  }
}

/* Stats mini grid */
.stats-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (max-width: 480px) {
  .stats-mini {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

/* Featured article (blog) */
.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.featured-article__image {
  background: var(--gradient-hero);
  min-height: 300px;
  position: relative;
}

.featured-article__content {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .featured-article {
    grid-template-columns: 1fr;
  }
  
  .featured-article__image {
    min-height: 200px;
  }
  
  .featured-article__content {
    padding: var(--space-lg);
  }
}

/* Service detail split (text + card) */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.service-detail--reverse {
  direction: ltr;
}

.service-detail--reverse > * {
  direction: rtl;
}

@media (max-width: 968px) {
  .service-detail,
  .service-detail--reverse {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    direction: rtl;
    margin-bottom: var(--space-2xl);
  }
  
  .service-detail--reverse > * {
    direction: rtl;
  }
}

@media (max-width: 640px) {
  .service-detail,
  .service-detail--reverse {
    margin-bottom: var(--space-xl);
  }
}

/* Contact layout (sidebar + form) */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  align-items: start; /* Prevent equal-height stretch */
}

/* Compact contact info cards */
.contact-info-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  border-color: var(--color-accent);
  transform: translateX(-4px);
  box-shadow: var(--shadow-md);
}

.contact-info-card + .contact-info-card {
  margin-top: var(--space-sm);
}

.contact-info-card__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  flex-shrink: 0;
}

.contact-info-card__content {
  flex: 1;
  min-width: 0;
}

.contact-info-card__title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.contact-info-card__text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.contact-info-card__text a {
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* Contact form card */
.contact-form-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 968px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .contact-form-card {
    padding: var(--space-md);
  }
  
  /* Hide the quick CTA box on mobile (info already in cards) */
  .contact-quick-cta {
    display: none;
  }
}

@media (max-width: 640px) {
  .contact-info-card {
    padding: var(--space-sm) var(--space-md);
  }
  
  .contact-form-card {
    padding: var(--space-md);
  }
  
  .contact-form-card h2 {
    font-size: var(--fs-lg) !important;
  }
}

/* About intro split */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 968px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Form grid (2 columns) */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

/* Hide horizontal overflow on mobile (safety net) */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }
  
  .container {
    width: 100%;
    max-width: 100%;
    padding-inline: var(--space-sm);
  }
  
  /* Prevent SVG/text overflow */
  img, svg, video {
    max-width: 100%;
    height: auto;
  }
  
  /* Make sure tables scroll horizontally if needed */
  .article__body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  /* Code blocks scroll */
  .article__body pre {
    font-size: 13px;
  }
}

/* Very small screens */
@media (max-width: 380px) {
  :root {
    --space-md: 1rem;
    --space-lg: 1.25rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 3rem;
  }
  
  .section {
    padding-block: var(--space-2xl);
  }
  
  .hero {
    padding-top: var(--header-height);
    min-height: auto;
  }
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-header);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 800;
  font-size: var(--fs-lg);
  color: var(--color-primary);
}

.logo__icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  box-shadow: 0 2px 8px rgba(0, 212, 255, 0.25);
  flex-shrink: 0;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__text span:last-child {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--fs-sm);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

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

.nav__link:hover,
.nav__link.active {
  color: var(--color-accent-dark);
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-xl);
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: var(--color-primary-dark);
}

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

.btn--secondary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  color: white;
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  background: rgba(0, 212, 255, 0.05);
}

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.btn--lg {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--fs-base);
}

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

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  padding-bottom: var(--space-3xl);
  background: var(--gradient-hero);
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  width: 100%;
}

/* On desktop, align items to start so dashboard card aligns with content top */
@media (min-width: 969px) {
  .hero__inner {
    align-items: start;
  }
  
  .hero__visual {
    /* Align with the badge area (top of content) */
    margin-top: var(--space-md);
  }
}

@media (max-width: 968px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--space-xl);
    align-items: center;
  }
  
  .hero__visual {
    margin-top: 0;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 212, 255, 0.15);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(0, 212, 255, 0.3);
  backdrop-filter: blur(10px);
}

.hero__title {
  font-size: var(--fs-4xl);
  line-height: 1.15;
  margin-bottom: var(--space-md);
  color: white;
  font-weight: 900;
}

.hero__title .gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 968px) {
  .hero__actions { justify-content: center; }
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-size: var(--fs-2xl);
  font-weight: 900;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-xs);
}

/* Hero Visual - Dashboard mockup */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.dashboard-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-2xl);
}

.dashboard-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-card__title {
  font-size: var(--fs-sm);
  color: white;
  font-weight: 600;
}

.dashboard-card__badge {
  background: var(--color-success);
  color: white;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-row:last-child { border: none; }

.metric-row__label {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
}

.metric-row__value {
  font-size: var(--fs-base);
  font-weight: 700;
  color: white;
}

.metric-row__value.up { color: var(--color-success); }

.chart-bar {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  margin-top: var(--space-md);
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
}

.chart-bar__item {
  flex: 1;
  background: var(--gradient-accent);
  border-radius: 4px 4px 0 0;
  opacity: 0.8;
  transition: opacity var(--transition-base);
  animation: growBar 1s ease-out backwards;
}

.chart-bar__item:hover { opacity: 1; }

@keyframes growBar {
  from { height: 0; }
}

/* ===== Services / Feature Cards ===== */
.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-accent-dark);
  transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: var(--gradient-accent);
  color: white;
  transform: scale(1.1);
}

.service-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.service-card__text {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.service-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding: var(--space-xs) 0;
}

.service-card__list li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== Stats Section ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-box {
  text-align: center;
  padding: var(--space-lg);
}

.stat-box__number {
  font-size: var(--fs-3xl);
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-box__label {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Process Steps ===== */
.process-step {
  position: relative;
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.process-step__number {
  position: absolute;
  top: -20px;
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  color: var(--color-primary-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: var(--fs-lg);
  box-shadow: var(--shadow-md);
}

.process-step__title {
  font-size: var(--fs-lg);
  margin: var(--space-md) 0 var(--space-sm);
}

.process-step__text {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* ===== Pricing ===== */
.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border-color: var(--color-accent);
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.pricing-card--featured::before {
  content: 'محبوب‌ترین';
  position: absolute;
  top: -12px;
  right: 50%;
  transform: translateX(50%);
  background: var(--gradient-accent);
  color: var(--color-primary-dark);
  padding: 4px var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.pricing-card__name {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.pricing-card__price {
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.pricing-card__period {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  flex-grow: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding: var(--space-xs) 0;
}

.pricing-card__features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== Testimonials ===== */
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  position: relative;
  height: 100%;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 80px;
  color: var(--color-accent);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card__text {
  color: var(--color-text);
  font-size: var(--fs-base);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--fs-sm);
}

.testimonial-card__role {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.stars {
  display: flex;
  gap: 2px;
  color: #FBBF24;
  margin-bottom: var(--space-sm);
}

/* ===== FAQ Accordion ===== */
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
;
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-item__question {
  padding: var(--space-md) var(--space-lg);
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-base);
  list-style: none;
}

.faq-item__question::-webkit-details-marker { display: none; }

.faq-item__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 50%;
  color: var(--color-accent-dark);
  font-size: 18px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item--active .faq-item__icon {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: white;
}

.faq-item__answer {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.8;
  font-size: var(--fs-sm);
}

/* ===== Blog ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 968px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
}

.blog-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.blog-card__image svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__category {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-accent-dark);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.blog-card__content {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.blog-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.blog-card__title a {
  color: var(--color-primary);
}

.blog-card__title a:hover {
  color: var(--color-accent-dark);
}

.blog-card__excerpt {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.blog-card__readmore {
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--color-accent-dark);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

/* ===== Article Page ===== */
.article {
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.article__header {
  max-width: 760px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.article__category {
  display: inline-block;
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent-dark);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.article__title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.article__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  flex-wrap: wrap;
}

.article__hero {
  width: 100%;
  height: 400px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.article__body {
  max-width: 760px;
  margin: 0 auto;
  font-size: var(--fs-base);
  line-height: 1.9;
}

.article__body h2 {
  font-size: var(--fs-xl);
  margin: var(--space-xl) 0 var(--space-md);
  padding-right: var(--space-sm);
  border-right: 4px solid var(--color-accent);
}

.article__body h3 {
  font-size: var(--fs-lg);
  margin: var(--space-lg) 0 var(--space-sm);
}

.article__body p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.article__body ul,
.article__body ol {
  margin-bottom: var(--space-md);
  padding-right: var(--space-md);
}

.article__body li {
  margin-bottom: var(--space-xs);
  line-height: 1.8;
}

.article__body blockquote {
  background: var(--color-bg-alt);
  border-right: 4px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  border-radius: var(--radius-sm);
  font-style: italic;
  color: var(--color-text);
}

.article__body code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-accent-dark);
  direction: ltr;
  display: inline-block;
}

.article__body pre {
  background: var(--color-primary-dark);
  color: #E2E8F0;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-md) 0;
  direction: ltr;
  text-align: left;
}

.article__body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article__body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: var(--fs-sm);
}

.article__body th,
.article__body td {
  border: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
  text-align: right;
}

.article__body th {
  background: var(--color-bg-alt);
  font-weight: 700;
  color: var(--color-primary);
}

.article__cta {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--space-2xl) 0;
}

.article__cta h3 {
  color: white;
  margin-bottom: var(--space-sm);
}

.article__cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-md);
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--color-accent-glow) 0%, transparent 70%);
  filter: blur(80px);
  opacity: 0.4;
}

.cta-section__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-section__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-md);
  color: white;
}

.cta-section__text {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xl);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

.footer__brand .logo {
  color: white;
  margin-bottom: var(--space-md);
}

.footer__about {
  font-size: var(--fs-sm);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-base);
}

.footer__social a:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.footer__title {
  color: white;
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: var(--space-xs);
}

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

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-sm);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.7);
}

.footer__bottom a:hover {
  color: var(--color-accent);
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
  font-size: var(--fs-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--fs-sm);
  background: var(--color-surface);
  transition: all var(--transition-base);
  color: var(--color-text);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ===== Mobile Menu ===== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.mobile-toggle--active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-toggle--active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    gap: var(--space-sm);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  
  .nav--open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav__links {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: var(--space-xs);
  }
  
  .nav__link {
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
  }
  
  .nav__link:hover {
    background: var(--color-bg-alt);
  }
  
  .nav__link::after { display: none; }
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  padding-top: calc(var(--header-height) + var(--space-md));
  padding-bottom: var(--space-md);
  background: var(--color-bg-alt);
}

.breadcrumbs__list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
  font-size: var(--fs-sm);
  flex-wrap: wrap;
}

.breadcrumbs__list li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-muted);
}

.breadcrumbs__list li:not(:last-child)::after {
  content: '←';
  color: var(--color-text-light);
}

.breadcrumbs__list a {
  color: var(--color-text-muted);
}

.breadcrumbs__list a:hover {
  color: var(--color-accent-dark);
}

.breadcrumbs__list li:last-child {
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ===== Skip to content (Accessibility) ===== */
.skip-link {
  position: absolute;
  top: 0;
  right: 0;
  transform: translateY(-150%);
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  z-index: var(--z-overlay);
  border-radius: 0 0 0 var(--radius-sm);
  transition: transform var(--transition-base);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ===== Print Styles ===== */
@media print {
  .header, .footer, .cta-section, .mobile-toggle { display: none; }
  body { color: black; background: white; }
}