:root {
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --primary-dark: #1D4ED8;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --secondary: #7C3AED;
  --secondary-light: #8B5CF6;
  --accent: #06B6D4;
  --success: #059669;
  --warning: #F59E0B;
  --danger: #EF4444;
  --surface: #FFFFFF;
  --surface-alt: #F8FAFC;
  --surface-dark: #0F172A;
  --surface-darker: #020617;
  --text: #1E293B;
  --text-secondary: #475569;
  --text-light: #64748B;
  --text-on-dark: #E2E8F0;
  --text-on-primary: #FFFFFF;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-hover: linear-gradient(135deg, var(--primary-dark), var(--secondary));
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font: 'Vazirmatn', system-ui, -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

body.menu-is-open {
  overflow: hidden;
}

::selection {
  background: var(--primary);
  color: #fff;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
}

.skip-link {
  position: absolute;
  top: -100%;
  right: 0;
  background: var(--primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  z-index: 10000;
  border-radius: 0 0 0 var(--radius);
  font-weight: 500;
}

.skip-link:focus {
  top: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  text-align: center;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--gradient);
  color: var(--text-on-primary);
  border-color: transparent;
}

.btn-primary:hover {
  background: var(--gradient-hover);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}

.btn-white:hover {
  background: var(--primary-50);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--primary-50);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 1rem;
  color: var(--text);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== TOP BAR ========== */
.top-bar {
  background: var(--surface-dark);
  color: var(--text-on-dark);
  text-align: center;
  padding: 0.6rem 1rem;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ========== HEADER ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.header-scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 900;
  font-size: 1.3rem;
  flex-shrink: 0;
}

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

.logo-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-50);
}

.header-cta {
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--primary-50);
}

.menu-toggle .close-icon {
  display: none;
}

.nav-open ~ .menu-toggle .menu-icon,
.menu-toggle[aria-expanded="true"] .menu-icon {
  display: none;
}

.nav-open ~ .menu-toggle .close-icon,
.menu-toggle[aria-expanded="true"] .close-icon {
  display: block;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  background: var(--gradient);
  padding: 6rem 0 8rem;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  background: #fff;
}

.shape-1 {
  width: 500px;
  height: 500px;
  top: -150px;
  left: -100px;
  animation: float 20s ease-in-out infinite;
}

.shape-2 {
  width: 350px;
  height: 350px;
  bottom: -80px;
  right: -60px;
  animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
  width: 200px;
  height: 200px;
  top: 40%;
  left: 50%;
  animation: float 18s ease-in-out infinite 3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  color: #fff;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1.25rem;
  line-height: 1.25;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 2rem;
  line-height: 1.9;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat strong {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
}

.hero-stat span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.mockup-browser {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 60px rgba(0,0,0,0.2);
  max-width: 520px;
  width: 100%;
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.mockup-browser:hover {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}

.mockup-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

.mockup-browser img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}

.wave-bottom,
.wave-top {
  position: absolute;
  width: 100%;
  height: 80px;
  left: 0;
}

.wave-bottom {
  bottom: -1px;
}

.wave-top {
  top: -1px;
}

/* ========== TRUST ========== */
.trust {
  padding: 3rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
}

.trust-label {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-logo-item {
  padding: 0.6rem 1.5rem;
  background: var(--surface-alt);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-light);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
  user-select: none;
}

.trust-logo-item:hover {
  color: var(--primary);
  border-color: var(--primary-100);
  background: var(--primary-50);
}

/* ========== SERVICES ========== */
.services {
  padding: 5rem 0;
  background: var(--surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.service-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  border-color: var(--primary-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.service-card.animate-in:hover {
  transform: translateY(-6px);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: var(--primary-50);
  color: var(--primary);
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient);
  color: #fff;
  transform: scale(1.08);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== BENEFITS ========== */
.benefits {
  padding: 5rem 0;
  background: var(--surface-alt);
}

.benefit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
  opacity: 0;
  transform: translateY(30px);
}

.benefit-row.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.benefit-row:last-child {
  margin-bottom: 0;
}

.benefit-row-reverse {
  direction: ltr;
}

.benefit-row-reverse .benefit-content {
  direction: rtl;
}

.benefit-row-reverse .benefit-image {
  direction: rtl;
}

.benefit-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 580/440;
  object-fit: cover;
}

.benefit-content h2 {
  font-size: 1.85rem;
  margin-bottom: 1rem;
  font-weight: 900;
}

.benefit-content > p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.9;
}

.check-list li {
  padding: 0.5rem 0;
  padding-right: 2rem;
  position: relative;
  color: var(--text-secondary);
  line-height: 1.7;
}

.check-list li::before {
  content: '';
  position: absolute;
  right: 0;
  top: 0.7rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--success);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath d='M6 10l3 3 5-6' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 14px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ========== STATS ========== */
.stats {
  position: relative;
  background: var(--surface-dark);
  padding: 6rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item {
  padding: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
}

.stat-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, #60A5FA, #A78BFA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-on-dark);
  font-size: 0.95rem;
  font-weight: 400;
  opacity: 0.8;
}

/* ========== PORTFOLIO ========== */
.portfolio {
  padding: 5rem 0;
  background: var(--surface);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
}

.portfolio-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  color: #fff;
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.portfolio-overlay p {
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
}

/* ========== TESTIMONIALS ========== */
.testimonials {
  padding: 5rem 0;
  background: var(--surface-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.testimonial-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-100);
}

.testimonial-stars {
  color: var(--warning);
  font-size: 1.15rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
  border: none;
  padding: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.testimonial-author img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ========== CTA MID & FINAL ========== */
.cta-mid,
.cta-final {
  background: var(--gradient);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-mid::before,
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.cta-mid h2,
.cta-final h2 {
  font-size: 2.1rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1rem;
  position: relative;
}

.cta-mid p,
.cta-final p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.8;
  position: relative;
}

.cta-mid .btn,
.cta-final .btn {
  position: relative;
}

.cta-final-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ========== PRICING ========== */
.pricing {
  padding: 5rem 0;
  background: var(--surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  transition: all var(--transition);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.pricing-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: var(--shadow-lg);
  transform: translateY(30px) scale(1);
}

.pricing-card-featured.animate-in {
  transform: scale(1.04);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  right: 50%;
  transform: translateX(50%);
  background: var(--gradient);
  color: #fff;
  padding: 0.35rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 0.35rem;
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.4rem;
}

.price-amount {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text);
}

.pricing-card-featured .price-amount {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-unit {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

.pricing-features {
  margin-bottom: 1.75rem;
}

.pricing-features li {
  padding: 0.55rem 0;
  padding-right: 1.75rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '';
  position: absolute;
  right: 0;
  top: 0.7rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.pricing-features li.included::before {
  background-color: var(--success);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8l3 3 5-5' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.pricing-features li.not-included {
  color: var(--text-light);
  opacity: 0.6;
}

.pricing-features li.not-included::before {
  background-color: var(--border);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M5 5l6 6M11 5l-6 6' stroke='%2394A3B8' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}

/* ========== FAQ ========== */
.faq {
  padding: 5rem 0;
  background: var(--surface-alt);
}

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

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(15px);
}

.faq-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.faq-item:hover {
  border-color: var(--primary-100);
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 1.15rem 1.5rem;
  padding-left: 3rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  list-style: none;
  position: relative;
  transition: color var(--transition-fast);
}

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

.faq-item summary::after {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}

.faq-item[open] summary {
  color: var(--primary);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ========== CONTACT ========== */
.contact {
  padding: 5rem 0;
  background: var(--surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: none;
  font-size: 0.82rem;
  color: var(--danger);
  margin-top: 0.35rem;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  margin-top: 1rem;
  padding: 1rem;
  background: #ECFDF5;
  color: var(--success);
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
  font-size: 0.95rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  opacity: 0;
  transform: translateX(20px);
}

.contact-info-item.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.contact-info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--primary-50);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.contact-info-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--surface-dark);
  color: var(--text-on-dark);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 900;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.footer-about p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-col ul li {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer-trust-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  padding: 0.75rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
}

.footer-trust-badge span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ========== FLOATING BUTTONS ========== */
.floating-buttons {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 900;
  transition: opacity var(--transition), transform var(--transition);
}

.floats-hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: #fff;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-whatsapp {
  background: #25D366;
}

.float-phone {
  background: var(--primary);
}

/* ========== SCROLL TOP ========== */
.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 800;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ========== ANIMATIONS ========== */
.service-card,
.benefit-row,
.stat-item,
.portfolio-item,
.testimonial-card,
.pricing-card,
.faq-item,
.contact-info-item {
  transition: opacity 0.6s ease, transform 0.6s ease,
              border-color var(--transition-fast),
              box-shadow var(--transition);
}

.service-card:nth-child(2),
.stat-item:nth-child(2),
.portfolio-item:nth-child(2),
.testimonial-card:nth-child(2),
.pricing-card:nth-child(2),
.faq-item:nth-child(2),
.contact-info-item:nth-child(2) {
  transition-delay: 0.1s;
}

.service-card:nth-child(3),
.stat-item:nth-child(3),
.portfolio-item:nth-child(3),
.testimonial-card:nth-child(3),
.pricing-card:nth-child(3),
.faq-item:nth-child(3),
.contact-info-item:nth-child(3) {
  transition-delay: 0.2s;
}

.service-card:nth-child(4),
.stat-item:nth-child(4),
.portfolio-item:nth-child(4),
.faq-item:nth-child(4),
.contact-info-item:nth-child(4) {
  transition-delay: 0.3s;
}

.portfolio-item:nth-child(5) { transition-delay: 0.15s; }
.portfolio-item:nth-child(6) { transition-delay: 0.25s; }
.faq-item:nth-child(5) { transition-delay: 0.15s; }
.faq-item:nth-child(6) { transition-delay: 0.2s; }
.faq-item:nth-child(7) { transition-delay: 0.25s; }
.faq-item:nth-child(8) { transition-delay: 0.1s; }
.faq-item:nth-child(9) { transition-delay: 0.15s; }
.faq-item:nth-child(10) { transition-delay: 0.2s; }

/* ========== RESPONSIVE: TABLET ========== */
@media (max-width: 1024px) {
  .section-title {
    font-size: 1.85rem;
  }

  .hero {
    padding: 4rem 0 6rem;
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

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

  .hero-stats-row {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .mockup-browser {
    max-width: 420px;
    transform: none;
  }

  .mockup-browser:hover {
    transform: none;
  }

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

  .benefit-row,
  .benefit-row-reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
    direction: rtl;
  }

  .benefit-row-reverse .benefit-image,
  .benefit-row-reverse .benefit-content {
    direction: rtl;
  }

  .benefit-content {
    text-align: center;
  }

  .check-list li {
    text-align: right;
  }

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

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

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

  .testimonials-grid .testimonial-card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    margin-inline: auto;
  }

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

  .pricing-grid .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin-inline: auto;
  }

  .pricing-card-featured.animate-in {
    transform: scale(1);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    padding: 5rem 1.5rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
    overflow-y: auto;
  }

  .nav.nav-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 0.25rem;
    align-items: stretch;
  }

  .nav-link {
    display: block;
    padding: 0.85rem 1rem;
    font-size: 1.05rem;
    border-radius: var(--radius);
  }
}

/* ========== RESPONSIVE: MOBILE ========== */
@media (max-width: 640px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: 0 1rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .top-bar {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
  }

  .header-inner {
    height: 60px;
  }

  .logo {
    font-size: 1.15rem;
  }

  .logo svg {
    width: 30px;
    height: 30px;
  }

  .hero {
    padding: 3rem 0 5rem;
  }

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

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

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

  .hero-stats-row {
    gap: 1.5rem;
  }

  .hero-stat strong {
    font-size: 1.25rem;
  }

  .mockup-browser {
    max-width: 100%;
  }

  .trust-logos {
    gap: 0.75rem;
  }

  .trust-logo-item {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
  }

  .services {
    padding: 3.5rem 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-card {
    padding: 1.5rem;
  }

  .benefits {
    padding: 3.5rem 0;
  }

  .benefit-row {
    gap: 1.5rem;
    margin-bottom: 3rem;
  }

  .benefit-content h2 {
    font-size: 1.5rem;
  }

  .stats {
    padding: 4rem 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2.25rem;
  }

  .portfolio {
    padding: 3.5rem 0;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .portfolio-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 70%);
  }

  .testimonials {
    padding: 3.5rem 0;
  }

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

  .testimonials-grid .testimonial-card:last-child {
    max-width: 100%;
  }

  .testimonial-card {
    padding: 1.5rem;
  }

  .cta-mid,
  .cta-final {
    padding: 3.5rem 0;
  }

  .cta-mid h2,
  .cta-final h2 {
    font-size: 1.6rem;
  }

  .cta-final-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .cta-final-buttons .btn {
    width: 100%;
  }

  .pricing {
    padding: 3.5rem 0;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .pricing-grid .pricing-card:last-child {
    max-width: 100%;
  }

  .pricing-card {
    padding: 1.75rem;
  }

  .pricing-card-featured.animate-in {
    transform: scale(1);
  }

  .faq {
    padding: 3.5rem 0;
  }

  .faq-item summary {
    font-size: 0.92rem;
    padding: 1rem 1.25rem;
    padding-left: 2.75rem;
  }

  .faq-item summary::after {
    left: 1rem;
  }

  .faq-answer {
    padding: 0 1.25rem 1rem;
  }

  .contact {
    padding: 3.5rem 0;
  }

  .form-group input,
  .form-group textarea {
    padding: 0.75rem 0.85rem;
    font-size: 16px;
  }

  .contact-info {
    gap: 1.25rem;
  }

  .footer {
    padding: 3rem 0 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    padding: 1.25rem 0;
  }

  .floating-buttons {
    display: flex;
  }

  .btn {
    padding: 0.7rem 1.5rem;
    min-height: 48px;
  }

  .btn-lg {
    padding: 0.85rem 1.75rem;
  }

  .scroll-top {
    bottom: 5.5rem;
  }
}

/* ========== RESPONSIVE: LARGE DESKTOP ========== */
@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
  }

  .hero-title {
    font-size: 3.25rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 2.5rem;
  }
}

@media (min-width: 1536px) {
  .container {
    max-width: 1320px;
  }
}

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

  .service-card,
  .benefit-row,
  .stat-item,
  .portfolio-item,
  .testimonial-card,
  .pricing-card,
  .faq-item,
  .contact-info-item {
    opacity: 1;
    transform: none;
  }
}

*:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

/* ========== PRINT ========== */
@media print {
  .header,
  .floating-buttons,
  .scroll-top,
  .top-bar {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    background: #f0f0f0 !important;
    color: #000;
    min-height: auto;
    padding: 2rem 0;
  }

  .hero-title,
  .hero-subtitle,
  .hero-stat strong {
    color: #000 !important;
  }

  .hero-stat span {
    color: #333 !important;
  }

  .stats {
    background: #f0f0f0 !important;
  }

  .stat-number {
    -webkit-text-fill-color: #000;
    color: #000;
  }

  .stat-label {
    color: #333 !important;
  }

  .cta-mid,
  .cta-final {
    background: #f0f0f0 !important;
  }

  .cta-mid h2,
  .cta-mid p,
  .cta-final h2,
  .cta-final p {
    color: #000 !important;
  }

  .footer {
    background: #f0f0f0 !important;
    color: #000 !important;
  }

  .service-card,
  .benefit-row,
  .stat-item,
  .portfolio-item,
  .testimonial-card,
  .pricing-card,
  .faq-item,
  .contact-info-item {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--text-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}