@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg: #071c25;
  --surface: #0d2933;
  --surface-light: #123641;
  --teal: #20d6c2;
  --white: #f5fbfc;
  --muted: #9bb2b9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--white);
}

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

.container {
  width: min(1160px, 90%);
  margin: auto;
}

.header {
  background: rgba(7, 28, 37, .96);
  border-bottom: 1px solid rgba(255,255,255,.07);
  position: relative;
  z-index: 2;
}

.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

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

.brand-mark {
  direction: ltr;
  display: grid;
  place-items: center;
  width: 53px;
  height: 53px;
  border: 2px solid var(--teal);
  border-radius: 15px;
  color: var(--white);
  font-size: 19px;
  font-weight: 900;
  box-shadow: 0 0 22px rgba(32,214,194,.12);
}

.brand-mark span {
  color: var(--teal);
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
}

.brand-name small {
  display: block;
  direction: ltr;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 2px;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #c5d5d9;
  font-size: 13px;
}

.nav a:hover {
  color: var(--teal);
}

.header-button,
.primary-button {
  background: var(--teal);
  color: #06242b;
  border-radius: 9px;
  padding: 12px 19px;
  font-weight: 800;
  font-size: 13px;
  white-space: nowrap;
}

.header-button span,
.primary-button span {
  margin-right: 8px;
}

.hero {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 75% 50%, rgba(32,214,194,.13), transparent 38%),
    linear-gradient(120deg, #071c25, #0b2732);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.hero-content {
  min-height: 480px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 50px;
  padding-top: 45px;
  padding-bottom: 45px;
}

.eyebrow {
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 59px);
  line-height: 1.55;
  margin: 17px 0;
  font-weight: 900;
}

.hero h1 span {
  color: var(--teal);
}

.hero-text > p {
  max-width: 470px;
  color: var(--muted);
  line-height: 2.2;
  font-size: 15px;
}

.hero-actions {
  display: flex;
  gap: 13px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.primary-button {
  display: inline-block;
  padding: 14px 25px;
}

.secondary-button {
  border: 1px solid rgba(255,255,255,.2);
  padding: 13px 20px;
  border-radius: 9px;
  font-size: 13px;
}

.hero-visual {
  min-height: 340px;
  display: grid;
  place-items: center;
  position: relative;
}

.visual-glow {
  position: absolute;
  width: 290px;
  height: 290px;
  border-radius: 50%;
  background: rgba(32,214,194,.17);
  filter: blur(65px);
}

.visual-card {
  width: min(310px, 85%);
  height: 290px;
  border: 1px solid rgba(32,214,194,.4);
  border-radius: 28px;
  background: linear-gradient(145deg, #123b46, #081f29);
  box-shadow: 0 30px 80px rgba(0,0,0,.3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  transform: rotate(-5deg);
  position: relative;
}

.visual-label,
.visual-caption {
  direction: ltr;
  letter-spacing: 3px;
  font-size: 10px;
  color: var(--muted);
}

.visual-logo {
  direction: ltr;
  text-align: center;
  font-size: 85px;
  font-weight: 900;
  color: var(--white);
  text-shadow: 0 0 35px rgba(32,214,194,.2);
}

.visual-logo span {
  color: var(--teal);
}

.visual-caption {
  line-height: 2;
  color: var(--teal);
}

.floating-text {
  position: absolute;
  bottom: 15px;
  right: 0;
  color: rgba(255,255,255,.25);
  letter-spacing: 5px;
  font-size: 11px;
  direction: ltr;
}

.features {
  background: #0b252f;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 25px;
  padding-bottom: 25px;
  gap: 20px;
}

.feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.feature > span {
  color: var(--teal);
  font-size: 26px;
}

.feature strong,
.feature small {
  display: block;
}

.feature strong {
  font-size: 13px;
}

.feature small {
  color: var(--muted);
  font-size: 11px;
  margin-top: 5px;
}

.section {
  padding-top: 85px;
  padding-bottom: 85px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.section-heading h2,
.about-inner h2 {
  font-size: 27px;
  margin: 8px 0 0;
}

.section-note {
  color: var(--muted);
  font-size: 12px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 17px;
}

.category-card {
  min-height: 175px;
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(145deg, #10313c, #0b222c);
  border-radius: 17px;
  padding: 23px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: .25s;
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: var(--teal);
}

.category-icon {
  color: var(--teal);
  font-size: 32px;
  margin-bottom: 17px;
}

.category-card strong {
  font-size: 14px;
}

.category-card small {
  direction: ltr;
  text-align: right;
  color: var(--muted);
  font-size: 10px;
  margin-top: 7px;
}

.products-section {
  background: #0b252f;
}

.product-placeholder {
  text-align: center;
  border: 1px dashed rgba(32,214,194,.3);
  background: rgba(32,214,194,.035);
  border-radius: 20px;
  padding: 55px 20px;
}

.product-symbol {
  color: var(--teal);
  font-size: 40px;
  font-weight: 900;
  direction: ltr;
}

.product-placeholder h3 {
  font-size: 19px;
}

.product-placeholder p {
  color: var(--muted);
  font-size: 13px;
}

.about-section {
  padding: 75px 0;
  background: linear-gradient(110deg, #0d303a, #0a222c);
}

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

.about-inner p {
  color: var(--muted);
  font-size: 14px;
  line-height: 2.5;
}

.footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p,
.copyright {
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 800px) {
  .header-inner {
    flex-wrap: wrap;
    padding-top: 15px;
    padding-bottom: 15px;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 22px;
    padding: 10px 0;
    white-space: nowrap;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 15px;
  }

  .hero-text > p {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-visual {
    min-height: 310px;
  }

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

  .about-inner {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

@media (max-width: 500px) {
  .header-button {
    padding: 10px 12px;
    font-size: 11px;
  }

  .brand-name {
    font-size: 16px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .feature {
    justify-content: flex-start;
  }

  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading h2 {
    font-size: 23px;
  }

  .footer-inner {
    flex-wrap: wrap;
  }

  .footer-inner p {
    width: 100%;
    order: 3;
  }
}