:root {
  --black: #050509;
  --graphite: #0d1018;
  --card: rgba(18, 22, 33, 0.82);
  --card-strong: rgba(25, 31, 45, 0.94);
  --text: #f4f6fb;
  --muted: #a6adbd;
  --line: rgba(255,255,255,0.11);
  --yellow: #ffe600;
  --blue: #4a7dff;
  --violet: #b45cff;
  --pink: #ff3fd4;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 80% 15%, rgba(180, 92, 255, 0.18), transparent 30%),
    radial-gradient(circle at 20% 80%, rgba(74, 125, 255, 0.18), transparent 30%),
    var(--black);
  color: var(--text);
}

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

.topbar {
  width: calc(100% - 48px);
  max-width: 1240px;
  margin: 24px auto 0;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line);
  background: rgba(5, 5, 9, 0.72);
  backdrop-filter: blur(18px);
  border-radius: 24px;
  position: sticky;
  top: 16px;
  z-index: 20;
}

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

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--yellow), var(--pink));
  color: #050509;
  font-weight: 900;
  box-shadow: 0 0 28px rgba(255, 230, 0, 0.18);
}

.brand strong {
  display: block;
  font-size: 14px;
  letter-spacing: 1.4px;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

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

.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: white !important;
}

.lang {
  display: flex;
  gap: 6px;
}

.lang button {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 9px;
  cursor: pointer;
}

.hero {
  max-width: 1240px;
  min-height: 680px;
  margin: 0 auto;
  padding: 90px 24px 70px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
}

.eyebrow {
  color: var(--yellow);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.94;
  letter-spacing: -4px;
  margin: 18px 0 24px;
}

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid var(--line);
}

.btn.primary {
  background: var(--yellow);
  color: #060608;
  box-shadow: 0 0 30px rgba(255, 230, 0, 0.18);
}

.btn.secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-row span {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255,255,255,0.04);
}

.hero-visual {
  min-height: 520px;
  position: relative;
  display: grid;
  place-items: center;
}

.ai-cube {
  width: min(92vw, 440px);
  height: min(92vw, 440px);
  position: relative;
  border-radius: 42px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent),
    radial-gradient(circle at 40% 30%, rgba(255,63,212,0.55), transparent 32%),
    radial-gradient(circle at 70% 70%, rgba(74,125,255,0.42), transparent 35%),
    rgba(20, 24, 36, 0.75);
  box-shadow:
    0 0 80px rgba(255, 63, 212, 0.20),
    inset 0 0 60px rgba(255,255,255,0.08);
  transform: rotate(-8deg);
  overflow: hidden;
}

.ai-cube::before {
  content: "";
  position: absolute;
  inset: 26px;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.65;
}

.cube-core {
  position: absolute;
  inset: 116px;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  filter: blur(1px);
  box-shadow: 0 0 55px rgba(255,63,212,0.55);
}

.circuit-line {
  position: absolute;
  width: 2px;
  height: 190px;
  background: linear-gradient(transparent, var(--pink), transparent);
  opacity: 0.7;
  bottom: -35px;
}

.l1 { left: 34%; }
.l2 { left: 50%; height: 240px; }
.l3 { left: 66%; }

.pulse {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--yellow);
  box-shadow: 0 0 20px var(--yellow);
}

.p1 { left: 28%; bottom: 80px; }
.p2 { left: 52%; bottom: 36px; background: var(--pink); }
.p3 { right: 22%; bottom: 120px; background: var(--blue); }

.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 72px 24px;
}

.section.compact {
  padding-top: 36px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.section h2,
.pricing-strip h2,
.cta h2 {
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1;
  letter-spacing: -2px;
  margin: 10px 0 0;
}

.grid.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card,
.app-card,
.step,
.pricing-strip,
.cta {
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(14px);
  border-radius: 28px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.28);
}

.card {
  padding: 24px;
  min-height: 235px;
}

.icon,
.app-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255,230,0,0.12);
  color: var(--yellow);
  border: 1px solid rgba(255,230,0,0.28);
  font-weight: 900;
  margin-bottom: 18px;
}

.card h3,
.app-card h3,
.step h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.card p,
.app-card p,
.step p,
.pricing-strip p,
.cta p {
  color: var(--muted);
  line-height: 1.55;
}

.apps-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}

.app-card {
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.app-card.featured {
  background:
    radial-gradient(circle at 15% 20%, rgba(255,230,0,0.14), transparent 30%),
    var(--card-strong);
}

.small-link {
  color: var(--yellow);
  font-weight: 800;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step {
  padding: 24px;
}

.step span {
  color: var(--yellow);
  font-weight: 900;
}

.pricing-strip,
.cta {
  max-width: 1240px;
  margin: 40px auto;
  padding: 40px 24px;
}

.price-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0;
}

.price-cards div {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
}

.price-cards strong,
.price-cards span {
  display: block;
}

.price-cards span {
  margin-top: 8px;
  color: var(--yellow);
  font-size: 24px;
  font-weight: 900;
}

.cta {
  text-align: center;
}

.footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 36px 24px 60px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

@media (max-width: 900px) {
  .topbar {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .grid.cards,
  .apps-grid,
  .steps,
  .price-cards {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 360px;
  }

  .ai-cube {
    width: 320px;
    height: 320px;
  }

  .cube-core {
    inset: 82px;
  }
}

.footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 80px;
  padding-top: 40px;
}

.footer-grid {
  max-width: 1240px;
  margin: auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
}

.footer h4 {
  margin-bottom: 18px;
  color: var(--yellow);
}

.footer-column a {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-column a:hover {
  color: white;
}

.footer-company {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.portfolio-title-link {
  color: var(--text);
}

.portfolio-title-link:hover {
  color: var(--yellow);
}

/* 3D Portfolio WOW cards */

.apps-grid {
  perspective: 1200px;
}

.app-card {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.app-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 230, 0, 0.22), transparent 28%),
    radial-gradient(circle at 85% 75%, rgba(255, 63, 212, 0.18), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(74, 125, 255, 0.16), transparent 35%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.app-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.10) 45%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-10px) rotateX(4deg) rotateY(-4deg);
  border-color: rgba(255, 230, 0, 0.42);
  box-shadow:
    0 28px 90px rgba(0,0,0,0.5),
    0 0 32px rgba(255,230,0,0.12),
    inset 0 0 30px rgba(255,255,255,0.04);
}

.app-card:hover::before {
  opacity: 1;
}

.app-card:hover::after {
  transform: translateX(120%);
}

.app-card .app-icon {
  position: relative;
  z-index: 2;
  box-shadow:
    0 0 22px rgba(255,230,0,0.18),
    inset 0 0 16px rgba(255,255,255,0.08);
}

.app-card > div:not(.app-icon) {
  position: relative;
  z-index: 2;
}

.app-card.featured {
  border-color: rgba(255, 230, 0, 0.26);
  box-shadow:
    0 26px 90px rgba(0,0,0,0.38),
    0 0 35px rgba(255,230,0,0.08);
}

.portfolio-title-link {
  color: var(--text);
  transition: color 0.2s ease;
}

.portfolio-title-link:hover {
  color: var(--yellow);
}

@media (max-width: 900px) {
  .app-card:hover {
    transform: translateY(-4px);
  }
}

.project-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: -4px;
  margin-bottom: 12px;
  opacity: 0.85;
}

.project-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: -4px;
  margin-bottom: 12px;
  opacity: 0.85;
}

.card-overlay-link{
  position:absolute;
  inset:0;
  z-index:50;
}

.project-form {
  margin-top: 40px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 20px 80px rgba(0,0,0,0.28);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.project-form label {
  display: block;
  color: var(--text);
  font-weight: 800;
  margin-bottom: 18px;
}

.project-form input,
.project-form select,
.project-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 15px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 15px;
  outline: none;
}

.project-form textarea {
  resize: vertical;
}

.project-form input:focus,
.project-form select:focus,
.project-form textarea:focus {
  border-color: rgba(255,230,0,0.6);
  box-shadow: 0 0 0 3px rgba(255,230,0,0.12);
}

.project-form option {
  background: #10131d;
  color: white;
}

.form-note {
  color: var(--muted);
  font-size: 14px;
  margin-top: 18px;
}

@media (max-width: 900px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}