:root {
  --bg: #081426;
  --bg-soft: #0d1f36;
  --panel: #112847;
  --panel-alt: #17365d;
  --card: rgba(17, 40, 71, 0.85);
  --text: #ebf3ff;
  --muted: #a8bfdc;
  --primary: #6ec6ff;
  --primary-strong: #4ba8ff;
  --accent: #8ef0d0;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 24px 60px rgba(8, 20, 38, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: linear-gradient(180deg, #081426 0%, #0c1b2f 35%, #0d1e33 100%);
  color: var(--text);
  line-height: 1.6;
}

body[dir='rtl'] {
  font-family: "Tahoma", "Segoe UI", sans-serif;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(8, 20, 38, 0.7);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #081426;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}

.main-nav a {
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
}

.lang-switcher {
  position: relative;
  display: inline-block;
}

.lang-trigger {
  min-width: 88px;
  border: 1px solid rgba(110, 198, 255, 0.45);
  background: linear-gradient(180deg, rgba(17, 40, 71, 0.96), rgba(10, 26, 45, 0.96));
  color: var(--text);
  border-radius: 12px;
  padding: 12px 36px 12px 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  cursor: pointer;
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.lang-trigger::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: translateY(-65%) rotate(45deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 100%;
  list-style: none;
  margin: 0;
  padding: 6px;
  background: #0d1b2c;
  border: 1px solid rgba(110, 198, 255, 0.35);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(2, 10, 20, 0.5);
  display: none;
  z-index: 30;
}

.lang-switcher.open .lang-menu {
  display: block;
}

.lang-option {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.lang-option:hover,
.lang-option:focus-visible,
.lang-option.active {
  background: rgba(110, 198, 255, 0.12);
}

body[dir='rtl'] .lang-option {
  text-align: right;
}

.hero {
  padding: 72px 0 48px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 42px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.lead {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 24px 0 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #07131f;
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--text);
}

.hero-stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--muted);
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  min-width: 120px;
}

.hero-stats strong {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--text);
}

.hero-visual {
  position: relative;
  min-height: 430px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dashboard-card {
  width: min(100%, 520px);
  background: linear-gradient(180deg, rgba(21, 40, 65, 0.98), rgba(17, 31, 49, 0.92));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.dot {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-green { background: #5fe5a0; }
.dot-yellow { background: #ffc857; }
.dot-red { background: #ff6b6b; }

.card-body {
  padding: 22px 20px 18px;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  margin-bottom: 12px;
}

.metric-row strong {
  color: var(--text);
  font-size: 1.2rem;
}

.bar-group {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.bar {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.9;
}

.bar-wide { width: 92%; }
.bar-mid { width: 76%; }
.bar-short { width: 60%; }

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.mini-grid div {
  padding: 14px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.mini-grid small {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
}

.mini-grid b {
  font-size: 1.3rem;
}

.floating-badge {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(9, 18, 31, 0.8);
  box-shadow: var(--shadow);
}

.floating-badge span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.badge-top {
  top: 38px;
  right: -10px;
}

.badge-bottom {
  bottom: 22px;
  left: 0;
}

.section {
  padding: 100px 0;
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading h2,
.about-wrap > div > h2,
.contact-box h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.section-intro {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--muted);
}

.projects-section {
  background: linear-gradient(180deg, rgba(110, 198, 255, 0.04), transparent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.project-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 26px 24px;
  background: linear-gradient(145deg, rgba(17, 40, 71, 0.92), rgba(13, 31, 54, 0.78));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 16px 36px rgba(3, 12, 24, 0.2);
  animation: project-reveal 0.55s both;
  animation-delay: calc(var(--project-index) * 70ms);
}

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
}

.project-number {
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.project-category {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

.project-card h3 {
  margin-bottom: 10px;
  font-size: 1.45rem;
}

.project-card p {
  margin-bottom: 24px;
  color: var(--muted);
}

.project-tech {
  margin-top: auto;
}

.project-tech-label {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-list span {
  padding: 5px 9px;
  border: 1px solid rgba(110, 198, 255, 0.2);
  border-radius: 8px;
  color: var(--text);
  background: rgba(110, 198, 255, 0.08);
  font-size: 0.78rem;
}

@keyframes project-reveal {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-card,
.about-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 22px;
}

.service-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin-bottom: 16px;
  background: rgba(110, 198, 255, 0.14);
  color: var(--primary);
  font-weight: 700;
}

.service-card h3,
.about-card h3,
.timeline-item h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.service-card p,
.about-card p,
.timeline-item p,
.contact-box p {
  color: var(--muted);
  margin: 0;
}

.muted-section {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-wrap {
  display: grid;
  gap: 28px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.timeline-item {
  display: flex;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px 22px;
}

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(110, 198, 255, 0.2), rgba(142, 240, 208, 0.18));
  color: var(--primary);
  font-weight: 800;
}

.cta-band {
  padding-top: 70px;
  padding-bottom: 100px;
}

.contact-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 32px 28px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(17, 40, 71, 0.95), rgba(16, 58, 86, 0.9));
  border: 1px solid var(--line);
}

.contact-details {
  text-align: right;
}

.contact-details a {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--primary);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.7);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 78px;
  color: var(--muted);
}

body[dir='rtl'] .main-nav,
body[dir='rtl'] .nav-wrap,
body[dir='rtl'] .hero-stats,
body[dir='rtl'] .cta-group,
body[dir='rtl'] .contact-box,
body[dir='rtl'] .footer-wrap {
  direction: rtl;
}

body[dir='rtl'] .main-nav,
body[dir='rtl'] .hero-stats,
body[dir='rtl'] .cta-group,
body[dir='rtl'] .footer-wrap {
  flex-direction: row-reverse;
}

body[dir='rtl'] .contact-details {
  text-align: left;
}

@media (max-width: 860px) {
  .nav-wrap,
  .main-nav,
  .contact-box,
  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-inner,
  .cards-grid,
  .projects-grid,
  .about-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 340px;
  }

  .badge-top {
    right: 8px;
  }

  .badge-bottom {
    left: 8px;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  .nav-wrap {
    padding: 18px 0;
  }

  .main-nav {
    gap: 12px;
    flex-wrap: wrap;
  }

  .lang-switcher {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding-top: 30px;
  }

  .cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr;
  }
}