/* ============================================================
   Aurox (آروکس) - Corporate Design System
   Inspired by: Stripe, Linear, Vercel, Apple, Notion, Framer
   Primary: #D4AF37 (Gold) | Secondary: #111111 (Black)
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --gold: #D4AF37;
  --gold-light: #F0D060;
  --gold-dark: #B8962E;
  --gold-glow: rgba(212, 175, 55, 0.3);
  --black: #111111;
  --black-soft: #1A1A1A;
  --black-mid: #222222;
  --black-light: #2A2A2A;
  --white: #FFFFFF;
  --off-white: #F8F8F8;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #CCCCCC;
  --gray-400: #999999;
  --gray-500: #666666;
  --gray-600: #444444;
  --gray-700: #333333;
  --gray-800: #222222;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;

  --font-primary: 'Vazirmatn', 'Iran Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Vazirmatn', 'Iran Sans', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 50%;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-gold: 0 4px 30px rgba(212, 175, 55, 0.2);

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --container: 1200px;
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  direction: rtl;
}

body {
  font-family: var(--font-primary);
  background: var(--black);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background: var(--black-soft);
}

.section-black {
  background: var(--black);
}

/* --- Glass Morphism --- */
.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
}

.glass-gold {
  background: rgba(212, 175, 55, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-lg);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
}

.display-1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
}

.display-2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.01em;
}

.heading-1 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
}

.heading-2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
}

.heading-3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.body-large {
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  line-height: 1.8;
  color: var(--gray-300);
}

.body-medium {
  font-size: clamp(0.95rem, 1vw, 1.05rem);
  line-height: 1.8;
  color: var(--gray-400);
}

.gold-text {
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold);
  border: 1px solid rgba(212, 175, 55, 0.2);
  margin-bottom: 20px;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--gold);
  animation: pulse-dot 2s infinite;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: var(--transition-base);
}

.nav.scrolled {
  background: rgba(17, 17, 17, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
}

.nav-logo img, .nav-logo svg {
  height: 36px;
  width: auto;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-400);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition-fast);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(212,175,55,0.15), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(212,175,55,0.08), transparent 70%);
  top: 20%;
  right: -10%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-content h1 {
  margin-bottom: 24px;
}

.hero-content p {
  margin-bottom: 40px;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  color: var(--gray-400);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 80px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gold);
}

.hero-stat-label {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Floating 3D elements */
.floating-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.floating-element {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.1);
  animation: float 6s ease-in-out infinite;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--gray-400);
  font-size: 1.1rem;
}

/* --- Product Cards --- */
.product-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 1.4rem;
}

.product-card p {
  color: var(--gray-400);
  margin-bottom: 20px;
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.7;
}

.product-card .features-list {
  margin-bottom: 24px;
}

.product-card .features-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-400);
  font-size: 0.9rem;
  padding: 4px 0;
}

.product-card .features-list li::before {
  content: '✦';
  color: var(--gold);
  font-size: 0.7rem;
}

.product-card .btn {
  align-self: flex-start;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-item {
  padding: 32px;
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.feature-item:hover {
  border-color: rgba(212, 175, 55, 0.15);
  transform: translateY(-4px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(212, 175, 55, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.feature-item h4 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.feature-item p {
  color: var(--gray-400);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Steps / Workflow --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 12px);
  right: calc(12.5% + 12px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(212,175,55,0.1));
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: rgba(212, 175, 55, 0.1);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  position: relative;
  z-index: 1;
}

.step h4 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.step p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(212, 175, 55, 0.15);
}

.testimonial-stars {
  color: var(--gold);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.testimonial-text {
  color: var(--gray-300);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(212, 175, 55, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--gold);
  font-size: 1rem;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.testimonial-role {
  color: var(--gray-500);
  font-size: 0.8rem;
}

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

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  cursor: pointer;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  transition: var(--transition-fast);
}

.faq-item:hover .faq-question {
  color: var(--gold-light);
}

.faq-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition-base);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 16px 0 0;
}

.faq-answer p {
  color: var(--gray-400);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section .cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--gray-400);
  margin-bottom: 32px;
  font-size: 1.1rem;
}

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

.cta-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(212,175,55,0.08), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* --- Footer --- */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--gold);
  color: var(--black);
}

.footer h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--white);
}

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

.footer-links a {
  color: var(--gray-500);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--gray-600);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--gray-600);
  font-size: 0.85rem;
}

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

/* --- Page Header --- */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header h1 {
  margin-bottom: 16px;
}

.page-header p {
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* --- Animations --- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

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

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes gold-shimmer {
  0% { opacity: 0.5; }
  50% { opacity: 1; }
  100% { opacity: 0.5; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Contact Form --- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 16px;
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--gray-600);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Blog Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.2);
}

.blog-card-image {
  height: 200px;
  background: var(--black-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: 0.9rem;
}

.blog-card-content {
  padding: 24px;
}

.blog-card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.blog-card p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--gray-500);
  font-size: 0.8rem;
}

/* --- Solutions / Industries --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-base);
}

.solution-card:hover {
  border-color: rgba(212, 175, 55, 0.15);
  transform: translateY(-4px);
}

.solution-card .challenge {
  color: var(--error);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.solution-card .solution {
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 600;
}

.solution-card h4 {
  margin: 16px 0 8px;
  font-size: 1.15rem;
}

.solution-card p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- Pricing Table --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--gold);
  position: relative;
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'محبوب‌ترین';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--black);
  padding: 4px 20px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 175, 55, 0.2);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.pricing-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 4px;
}

.pricing-period {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.pricing-features {
  flex: 1;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--gray-400);
  font-size: 0.9rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

/* --- Values Section --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.15);
}

.value-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: rgba(212, 175, 55, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}

.value-card h4 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.value-card p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- Product Detail Page --- */
.product-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.product-hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.product-hero-content .badge {
  margin-bottom: 16px;
}

.product-hero-content h1 {
  margin-bottom: 20px;
}

.product-hero-content p {
  color: var(--gray-400);
  font-size: 1.1rem;
  margin-bottom: 32px;
  line-height: 1.8;
}

.product-hero-image {
  position: absolute;
  left: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  height: 70%;
  background: linear-gradient(135deg, rgba(212,175,55,0.05), transparent);
  border-radius: var(--radius-2xl);
  z-index: 0;
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-table thead {
  background: var(--black-soft);
}

.comparison-table th {
  padding: 16px 20px;
  text-align: right;
  font-size: 0.95rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--gray-400);
  font-size: 0.9rem;
}

.comparison-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.comparison-table .check {
  color: var(--success);
}

.comparison-table .cross {
  color: var(--error);
}

/* --- Tech Stack --- */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tech-badge {
  padding: 8px 20px;
  border-radius: 100px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--gray-300);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.tech-badge:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* --- Architecture Diagram Placeholder --- */
.arch-placeholder {
  width: 100%;
  min-height: 400px;
  background: var(--black-soft);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--gray-500);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.arch-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(212,175,55,0.05), transparent);
}

.arch-layers {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 80%;
  position: relative;
  z-index: 1;
}

.arch-layer {
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  text-align: center;
  color: var(--gray-400);
  font-size: 0.85rem;
  font-weight: 600;
}

.arch-layer.gold-border {
  border-color: rgba(212,175,55,0.3);
  color: var(--gold-light);
}

/* --- Image Placeholder --- */
.img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--black-soft);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: 0.85rem;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(212,175,55,0.03) 50%, transparent 60%);
  background-size: 200% 200%;
  animation: shimmer 3s infinite;
}

/* --- Loading State --- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.05);
  border-top-color: var(--gold);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  margin-bottom: 8px;
  color: var(--gray-300);
}

.empty-state p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Success / Error Messages --- */
.success-message {
  padding: 16px 20px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-size: 0.9rem;
  font-weight: 500;
}

.error-message {
  padding: 16px 20px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-sm);
  color: var(--error);
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

/* --- Notification Toast --- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 16px 32px;
  border-radius: var(--radius-md);
  background: var(--black-soft);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transition: var(--transition-base);
  z-index: 2000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--error);
}

/* --- Mobile Menu --- */
@media (max-width: 1024px) {
  .nav-links, .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(17,17,17,0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .nav-cta.mobile-open {
    display: flex;
    flex-direction: column;
    padding: 0 24px 24px;
    position: fixed;
    top: calc(var(--nav-height) + 250px);
    left: 0;
    right: 0;
    background: rgba(17,17,17,0.98);
  }

  .product-cards, .features-grid,
  .testimonials-grid, .blog-grid,
  .solutions-grid, .pricing-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }

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

  .steps::before {
    display: none;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-8px);
  }

  .hero-stats {
    gap: 32px;
  }
}

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

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

  .hero-content h1 {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .section {
    padding: 60px 0;
  }

  .page-header {
    padding: 120px 0 60px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .product-hero-image {
    display: none;
  }
}

/* --- Skeleton Loading --- */
.skeleton {
  background: linear-gradient(90deg, var(--black-soft) 25%, var(--black-light) 50%, var(--black-soft) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  width: 80%;
}

.skeleton-title {
  height: 28px;
  margin-bottom: 16px;
  width: 60%;
}

/* --- Print Styles --- */
@media print {
  .nav, .back-to-top, .footer { display: none; }
  body { background: white; color: black; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}