/* ============================================================
   BIDAR FANAVARAN NAMDAR — Modern Corporate Website
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --navy: #0A2342;
  --navy-light: #0F4C81;
  --blue: #0077FF;
  --cyan: #00B8D9;
  --ice: #EAF4FF;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-500: #64748B;
  --gray-700: #334155;
  --gray-900: #0F172A;
  --gradient-primary: linear-gradient(135deg, #0A2342 0%, #0F4C81 100%);
  --gradient-accent: linear-gradient(135deg, #0077FF 0%, #00B8D9 100%);
  --gradient-hero: linear-gradient(135deg, #0A2342 0%, #0A2342 40%, #0F4C81 70%, #0077FF 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(0,119,255,0.3) 0%, transparent 70%);
  --font-fa: 'IRANSans', 'Vazirmatn', Tahoma, sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --header-height: 76px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(10,35,66,0.06);
  --shadow-md: 0 4px 24px rgba(10,35,66,0.10);
  --shadow-lg: 0 12px 48px rgba(10,35,66,0.15);
  --shadow-glow: 0 0 40px rgba(0,119,255,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: var(--header-height); }

body {
  font-family: var(--font-fa);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.en { font-family: var(--font-en); direction: ltr; }

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }

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

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(0,119,255,0.1), rgba(0,184,217,0.1));
  color: var(--blue); padding: 8px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.5px;
  margin-bottom: 16px; border: 1px solid rgba(0,119,255,0.15);
}

.section-title {
  font-size: 2.2rem; font-weight: 800; color: var(--navy);
  margin-bottom: 16px; line-height: 1.3;
}

.section-desc {
  font-size: 1.05rem; color: var(--gray-500);
  max-width: 600px; margin: 0 auto; line-height: 1.7;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 50px;
  font-size: 0.95rem; font-weight: 600;
  border: none; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--white); box-shadow: 0 4px 20px rgba(0,119,255,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,119,255,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn-sm {
  padding: 10px 24px; font-size: 0.85rem;
}

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

.btn-icon { font-size: 0.9rem; }

/* ── Header ────────────────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(10,35,66,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

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

.logo {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px; height: 42px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(0,119,255,0.3);
}

.logo-text {
  display: flex; flex-direction: column;
  font-weight: 700; font-size: 1rem; color: var(--white);
  line-height: 1.2;
}

.logo-text small {
  font-size: 0.65rem; font-weight: 400;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav {
  display: flex; align-items: center; gap: 4px;
}

.nav a {
  padding: 8px 16px; border-radius: 50px;
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem; font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav a.active { color: var(--white); background: rgba(255,255,255,0.12); }

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

.lang-switch {
  display: flex; background: rgba(255,255,255,0.1);
  border-radius: 50px; padding: 3px;
  border: 1px solid rgba(255,255,255,0.1);
}

.lang-btn {
  padding: 6px 14px; border-radius: 50px;
  border: none; background: transparent;
  color: rgba(255,255,255,0.5);
  font-size: 0.78rem; font-weight: 700;
  cursor: pointer; transition: var(--transition);
  font-family: var(--font-en);
  letter-spacing: 0.5px;
}

.lang-btn.active {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 2px 10px rgba(0,119,255,0.3);
}

.lang-btn:hover:not(.active) { color: var(--white); }

/* ── Hamburger ─────────────────────────────────────────────── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

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

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

.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,119,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,119,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.4;
  animation: floatOrb 20s ease-in-out infinite;
  pointer-events: none;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,119,255,0.4), transparent);
  top: -10%; left: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,184,217,0.3), transparent);
  bottom: -5%; right: -5%;
  animation-delay: -7s;
}

.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,119,255,0.2), transparent);
  bottom: 30%; left: 50%;
  animation-delay: -14s;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -40px) scale(1.05); }
  50% { transform: translate(-30px, 60px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

.hero-content {
  position: relative; z-index: 1;
  text-align: center; max-width: 850px; margin: 0 auto;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  padding: 8px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 500;
  margin-bottom: 32px; backdrop-filter: blur(10px);
}

.hero-title {
  font-size: 3.5rem; font-weight: 900;
  color: var(--white); line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--white) 40%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem; color: rgba(255,255,255,0.7);
  max-width: 650px; margin: 0 auto 40px;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex; justify-content: center; gap: 48px;
  margin-top: 64px;
}

.hero-stat {
  text-align: center; color: var(--white);
}

.hero-stat-num {
  display: block; font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat span:last-child {
  font-size: 0.85rem; color: rgba(255,255,255,0.5);
}

/* ── Hero Slider ────────────────────────────────────────────── */
.hero-slider-section {
  flex-direction: column; justify-content: center;
  padding-bottom: 40px;
}

.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  padding-top: var(--header-height);
  padding-bottom: 140px;
}

.hero-slide.active {
  opacity: 1; visibility: visible;
  position: relative;
}

.hero-slide .hero-content {
  animation: slideFadeIn 0.8s ease forwards;
}

.hero-slide.active .hero-content {
  animation: slideFadeIn 0.8s ease forwards;
}

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

/* Slider Navigation Arrows */
.hero-arrow {
  position: absolute; top: 50%; z-index: 10;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
}

.hero:hover .hero-arrow {
  opacity: 1; pointer-events: auto;
}

.hero-arrow:hover {
  background: var(--gradient-accent);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0,119,255,0.3);
  transform: translateY(-50%) scale(1.08);
}

.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

/* Slide Indicators (Dots) */
.hero-dots {
  position: absolute; bottom: 120px; left: 50%; z-index: 10;
  transform: translateX(-50%);
  display: flex; gap: 10px;
}

.hero-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  border: none; cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.hero-dot.active {
  background: var(--white);
  box-shadow: 0 0 12px rgba(0,119,255,0.4);
  width: 32px; border-radius: 6px;
}

.hero-dot:hover { background: rgba(255,255,255,0.5); }

/* Stats positioned below slides */
.hero-slider-section .hero-stats {
  position: relative; z-index: 5;
  margin-top: 0; padding-top: 20px;
}

/* ── About ─────────────────────────────────────────────────── */
.about { background: var(--white); }

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

.about-content p {
  color: var(--gray-700); margin-bottom: 20px;
  font-size: 1rem; line-height: 1.9;
}

.about-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 28px;
}

.about-feature {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: var(--gray-700);
}

.about-feature i { color: var(--blue); font-size: 1rem; }

.about-image {
  position: relative;
}

.about-image-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: rgba(255,255,255,0.15);
  overflow: hidden; position: relative;
}

.about-image-placeholder::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,119,255,0.1), transparent);
}

.about-exp-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--gradient-accent);
  color: var(--white); padding: 20px 28px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,119,255,0.3);
}

.about-exp-num { display: block; font-size: 1.8rem; font-weight: 800; }
.about-exp-badge span:last-child { font-size: 0.85rem; opacity: 0.9; }

/* ── Services ──────────────────────────────────────────────── */
.services { background: var(--gray-50); }

.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white); padding: 32px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative; overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

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

.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,119,255,0.1), rgba(0,184,217,0.1));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--blue);
  margin-bottom: 20px; transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,119,255,0.3);
}

.service-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.service-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 20px; }

.service-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue); font-size: 0.88rem; font-weight: 600;
}

.service-link:hover { gap: 12px; }

/* ── Products ──────────────────────────────────────────────── */
.products { background: var(--white); }

.product-category { margin-bottom: 48px; }
.product-category:last-child { margin-bottom: 0; }

.product-category-title {
  font-size: 1.4rem; font-weight: 700; color: var(--navy);
  margin-bottom: 24px; display: flex; align-items: center; gap: 12px;
}

.product-category-title i { color: var(--blue); }

.products-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px; text-align: center;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-img {
  width: 100%; height: 140px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
  border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 8px;
  color: var(--gray-500); font-size: 2.5rem; margin-bottom: 20px;
  transition: var(--transition);
}

.product-card:hover .product-img {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--white);
}

.product-img span { font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; opacity: 0.6; }

.product-card h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 16px; }

.product-features { text-align: right; margin-bottom: 20px; }

.product-features li {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; font-size: 0.85rem; color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

.product-features li:last-child { border-bottom: none; }
.product-features li i { color: var(--blue); font-size: 0.75rem; }
.product-card .btn { width: 100%; justify-content: center; }

/* ── Portfolio ──────────────────────────────────────────────── */
.portfolio { background: var(--gray-50); }

.portfolio-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.portfolio-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

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

.portfolio-img {
  width: 100%; height: 200px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: 3rem; gap: 6px;
  color: rgba(255,255,255,0.15);
  position: relative;
}

.portfolio-img span {
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 3px; color: rgba(255,255,255,0.3);
}

.portfolio-info { padding: 24px; }

.portfolio-info h3 {
  font-size: 1.1rem; font-weight: 700; color: var(--navy);
  margin-bottom: 8px;
}

.portfolio-info p {
  font-size: 0.88rem; color: var(--gray-500);
  line-height: 1.7; margin-bottom: 16px;
}

.portfolio-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}

.portfolio-tags span {
  padding: 4px 14px; background: var(--gray-100);
  border-radius: 50px; font-size: 0.75rem;
  font-weight: 600; color: var(--gray-700);
}

/* ── Resume ────────────────────────────────────────────────── */
.resume { background: var(--white); }

.resume-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.resume-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px 28px; text-align: center;
  transition: var(--transition);
}

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

.resume-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(0,119,255,0.08), rgba(0,184,217,0.08));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--blue);
  transition: var(--transition);
}

.resume-card:hover .resume-icon {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,119,255,0.3);
}

.resume-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.resume-card p { font-size: 0.88rem; color: var(--gray-500); margin-bottom: 20px; line-height: 1.7; }
.resume-card .btn { width: 100%; justify-content: center; }

/* ── Why Us ────────────────────────────────────────────────── */
.why-us { background: var(--gray-50); }

.why-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}

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

.why-num {
  font-size: 3rem; font-weight: 900;
  background: linear-gradient(135deg, rgba(0,119,255,0.08), rgba(0,184,217,0.08));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; margin-bottom: 4px;
}

.why-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, rgba(0,119,255,0.1), rgba(0,184,217,0.1));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--blue);
  margin-bottom: 16px;
}

.why-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; }

/* ── Statistics ────────────────────────────────────────────── */
.stats {
  background: var(--gradient-primary);
  position: relative; overflow: hidden;
}

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

.stats .orb-4 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,119,255,0.2), transparent);
  top: -20%; left: 20%;
  filter: blur(80px);
  animation: floatOrb 25s ease-in-out infinite;
}

.stats .orb-5 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,184,217,0.15), transparent);
  bottom: -10%; right: 10%;
  filter: blur(80px);
  animation: floatOrb 20s ease-in-out infinite;
  animation-delay: -10s;
}

.stats .container { position: relative; z-index: 1; }

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center; color: var(--white);
  position: relative;
}

.stat-num {
  display: inline-block;
  font-size: 3.5rem; font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-plus {
  font-size: 2rem; font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: 4px;
}

.stat-label {
  display: block; margin-top: 12px;
  font-size: 1rem; color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact { background: var(--white); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

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

.contact-card {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 20px rgba(0,119,255,0.08);
}

.contact-card-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(0,119,255,0.1), rgba(0,184,217,0.1));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--blue);
}

.contact-card-text h4 { font-size: 0.9rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.contact-card-text p { font-size: 0.9rem; color: var(--gray-500); }
.contact-card-text a { color: var(--blue); }
.contact-card-text a:hover { color: var(--navy); }

.contact-form {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px;
}

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

.form-control {
  width: 100%; padding: 16px 20px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem; font-family: inherit;
  background: var(--white);
  color: var(--gray-900);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,119,255,0.1);
}

.form-control::placeholder { color: var(--gray-300); }

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

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}

.footer-logo .logo-icon {
  width: 40px; height: 40px; font-size: 1rem;
}

.footer-about p {
  font-size: 0.9rem; line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}

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

.social-link {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-accent);
  color: var(--white);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0,119,255,0.3);
}

.footer h4 {
  font-size: 1rem; font-weight: 700;
  color: var(--white); margin-bottom: 20px;
}

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

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

.footer-links ul li a:hover { color: var(--cyan); padding-right: 4px; }

.footer-contact ul li {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem; color: rgba(255,255,255,0.6);
}

.footer-contact ul li i {
  width: 16px; color: var(--blue);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem; color: rgba(255,255,255,0.4);
}

/* ── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1; transform: translateY(0);
}

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

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 992px) {
  .nav {
    position: fixed; top: var(--header-height); left: 0; right: 0;
    background: rgba(10,35,66,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; padding: 20px;
    gap: 4px; transform: translateY(-120%);
    opacity: 0; transition: var(--transition);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav.open { transform: translateY(0); opacity: 1; }
  .nav a { width: 100%; padding: 12px 20px; }
  .hamburger { display: flex; }

  .hero-title { font-size: 2.5rem; }
  .hero-stats { gap: 32px; }
  .hero-arrow { width: 40px; height: 40px; font-size: 0.9rem; }
  .hero-arrow-prev { left: 12px; }
  .hero-arrow-next { right: 12px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image { order: -1; }
  .about-exp-badge { right: auto; left: -20px; }

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

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

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .section-title { font-size: 1.7rem; }
  .section-header { margin-bottom: 40px; }

  .hero-title { font-size: 2rem; }
  .hero-desc { font-size: 1rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-slide { padding-bottom: 160px; }
  .hero-dots { bottom: 130px; }
  .hero-arrow { opacity: 1; pointer-events: auto; }
  .hero-arrow-prev { left: 8px; }
  .hero-arrow-next { right: 8px; }

  .services-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .stat-num { font-size: 2.8rem; }

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

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .product-category-title { font-size: 1.2rem; }
}

@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.6rem; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-stat-num { font-size: 1.4rem; }
  .hero-dots { gap: 6px; }
  .hero-dot { width: 10px; height: 10px; }
  .hero-dot.active { width: 24px; }
  .hero-arrow { width: 36px; height: 36px; font-size: 0.8rem; }

  .about-features { grid-template-columns: 1fr; }
  .about-exp-badge { position: static; margin-top: 20px; }

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

  .contact-form { padding: 24px; }

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

  .stats-grid { gap: 28px; }
  .stat-num { font-size: 2.2rem; }
}

/* ── Language-Specific Icon Direction ──────────────────────── */
/* In RTL (Persian), fa-arrow-left points naturally in the reading direction.
   In LTR (English), it must be flipped to point forward. */
body.en .btn-icon { transform: scaleX(-1); }
body.en .service-link i { transform: scaleX(-1); }


body:not(.en) .logo-text small {
  direction: ltr; text-align: left;
}

body.en .container,
body.en .nav,
body.en .hero-content,
body.en .footer {
  direction: ltr;
}

body.en .about-feature {
  direction: ltr;
}

body.en .product-features {
  text-align: left;
}

/* ── Glassmorphism utility ──────────────────────────────────── */
.glass {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
}

/* ── Selection ─────────────────────────────────────────────── */
::selection {
  background: var(--blue);
  color: var(--white);
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }