:root {
  --ink: #04090c;
  --ink-2: #071117;
  --slate: #0d1a20;
  --slate-2: #13252d;
  --line: rgba(140, 190, 196, 0.14);
  --text: #e8f2f3;
  --muted: #8aa3a8;
  --faint: #5f777c;
  --brand: #1a7a82;
  --brand-bright: #2a9aa3;
  --brand-deep: #0f4f55;
  --accent: #3db8c0;
  --glow: rgba(26, 122, 130, 0.35);
  --radius: 14px;
  --max: 1080px;
  --font: "Vazirmatn", Tahoma, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(26, 122, 130, 0.22), transparent 55%),
    radial-gradient(900px 500px at 0% 20%, rgba(15, 79, 85, 0.35), transparent 50%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 40%, #06121a 100%);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.045;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1.1rem, 3vw, 2.4rem);
  background: linear-gradient(180deg, rgba(4, 9, 12, 0.88), rgba(4, 9, 12, 0.35) 70%, transparent);
  backdrop-filter: blur(10px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(26, 122, 130, 0.35));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.4rem);
  font-size: 0.92rem;
  color: var(--muted);
}

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

.nav-cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(61, 184, 192, 0.35);
  border-radius: 999px;
  color: var(--accent) !important;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.nav-cta:hover {
  background: rgba(26, 122, 130, 0.18);
  border-color: rgba(61, 184, 192, 0.6);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-plane {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, transparent 35%, rgba(4, 9, 12, 0.75) 72%, var(--ink) 100%),
    radial-gradient(ellipse 80% 55% at 50% 35%, rgba(26, 122, 130, 0.18), transparent 70%),
    linear-gradient(145deg, #07141a 0%, #0a1c24 45%, #061016 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  animation: drift 14s ease-in-out infinite alternate;
}

.hero-glow-a {
  width: min(52vw, 480px);
  height: min(52vw, 480px);
  top: 8%;
  inset-inline-start: 8%;
  background: rgba(26, 122, 130, 0.45);
}

.hero-glow-b {
  width: min(44vw, 420px);
  height: min(44vw, 420px);
  top: 18%;
  inset-inline-end: 4%;
  background: rgba(15, 79, 85, 0.55);
  animation-delay: -4s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 190, 196, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 190, 196, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 40%, #000 20%, transparent 75%);
  opacity: 0.55;
}

.waveform {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  width: 100%;
  height: min(42vh, 360px);
  opacity: 0.55;
}

.wave {
  fill: rgba(26, 122, 130, 0.16);
}

.wave-b {
  fill: rgba(15, 79, 85, 0.28);
  animation: waveShift 10s ease-in-out infinite alternate;
}

.bars rect {
  fill: rgba(61, 184, 192, 0.28);
  transform-origin: center bottom;
  animation: barPulse 2.8s ease-in-out infinite;
}

.bars rect:nth-child(odd) {
  animation-duration: 2.2s;
}

.bars rect:nth-child(3n) {
  animation-delay: -0.6s;
}

.bars rect:nth-child(4n) {
  animation-delay: -1.2s;
}

.hero-content {
  width: min(100% - 2.2rem, var(--max));
  margin: 0 auto;
  padding: 7.5rem 0 5.5rem;
}

.hero-brand {
  margin: 0 0 1.1rem;
  font-size: clamp(4.6rem, 16vw, 9.5rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.06em;
  color: var(--text);
  text-shadow:
    0 0 40px rgba(26, 122, 130, 0.35),
    0 18px 50px rgba(0, 0, 0, 0.45);
}

.hero-title {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.45;
  color: #d7e8ea;
}

.hero-title span {
  color: var(--accent);
  font-weight: 700;
}

.hero-lead {
  margin: 1.15rem 0 0;
  max-width: 36rem;
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  color: var(--muted);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  transition:
    transform 0.25s var(--ease),
    background 0.25s var(--ease),
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(180deg, var(--brand-bright), var(--brand));
  color: #f4fcfc;
  box-shadow:
    0 10px 28px rgba(26, 122, 130, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
  box-shadow:
    0 14px 34px rgba(26, 122, 130, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-ghost {
  border: 1px solid rgba(140, 190, 196, 0.28);
  background: rgba(8, 18, 22, 0.35);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(61, 184, 192, 0.5);
  background: rgba(26, 122, 130, 0.12);
}

.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
  border-top: 1px solid var(--line);
}

.section-inner {
  width: min(100% - 2.2rem, var(--max));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.section-title {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 1rem 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.about {
  background:
    radial-gradient(700px 320px at 100% 0%, rgba(26, 122, 130, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(7, 17, 23, 0.4), transparent);
}

.about-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.4rem;
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.95rem;
  font-weight: 500;
}

.about-rail span {
  position: relative;
  padding-inline-end: 1.4rem;
}

.about-rail span:not(:last-child)::after {
  content: "";
  position: absolute;
  inset-inline-end: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(61, 184, 192, 0.55);
  transform: translateY(-50%);
}

.feature-list {
  list-style: none;
  margin: 2.6rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem 2rem;
}

.feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  margin-top: 0.15rem;
  color: var(--accent);
  border: 1px solid rgba(61, 184, 192, 0.28);
  border-radius: 10px;
  background: rgba(26, 122, 130, 0.08);
}

.feature-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.feature h3 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
  font-weight: 700;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.trust {
  background:
    radial-gradient(600px 280px at 0% 100%, rgba(15, 79, 85, 0.28), transparent 55%),
    linear-gradient(180deg, transparent, rgba(4, 9, 12, 0.5));
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 2.6rem 0 0;
  padding: 0;
}

.trust-stats > div {
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.trust-stats dt {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.trust-stats dd {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta {
  border-top: 1px solid var(--line);
}

.cta-inner {
  position: relative;
  padding: clamp(2.2rem, 5vw, 3.4rem);
  border: 1px solid rgba(61, 184, 192, 0.22);
  border-radius: 20px;
  background:
    radial-gradient(500px 220px at 100% 0%, rgba(26, 122, 130, 0.22), transparent 60%),
    linear-gradient(160deg, rgba(13, 36, 42, 0.9), rgba(7, 17, 23, 0.95));
  overflow: hidden;
}

.cta-inner::before {
  content: "";
  position: absolute;
  inset-inline-end: -10%;
  top: -30%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(61, 184, 192, 0.12);
  filter: blur(40px);
  pointer-events: none;
}

.cta-title {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 700;
  line-height: 1.35;
}

.cta-lead {
  margin: 0.9rem 0 0;
  max-width: 34rem;
  color: var(--muted);
}

.cta-note {
  margin: 1.3rem 0 0;
  color: var(--faint);
  font-size: 0.86rem;
}

.site-footer {
  padding: 2.4rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.9rem;
}

.footer-inner {
  width: min(100% - 2.2rem, var(--max));
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-weight: 700;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.25rem;
}

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

.reveal-hero,
.reveal {
  opacity: 0;
  transform: translateY(22px);
}

.reveal-hero.is-in,
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}

.reveal-hero.is-in:nth-child(1) {
  transition-delay: 0.05s;
}
.reveal-hero.is-in:nth-child(2) {
  transition-delay: 0.18s;
}
.reveal-hero.is-in:nth-child(3) {
  transition-delay: 0.3s;
}
.reveal-hero.is-in:nth-child(4) {
  transition-delay: 0.42s;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(24px, 18px, 0) scale(1.08);
  }
}

@keyframes waveShift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-2%);
  }
}

@keyframes barPulse {
  0%,
  100% {
    transform: scaleY(0.72);
    opacity: 0.55;
  }
  50% {
    transform: scaleY(1.08);
    opacity: 0.95;
  }
}

@media (max-width: 820px) {
  .feature-list,
  .trust-stats {
    grid-template-columns: 1fr;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero-content {
    padding-bottom: 4.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-glow,
  .wave-b,
  .bars rect {
    animation: none !important;
  }

  .reveal-hero,
  .reveal {
    opacity: 1;
    transform: none;
  }
}