* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0c0d0e;
  --ts: #0c0d0ea8;
  --card: #0b0e106b;
  --border: #2e3239;
  --main: #5f5f5f;
  --mainLight: #51555d;
  --text: #ffffff;
  --textSec: #b8b9bc;
  --error: #fb5b53;
}

body {
  font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Animated Background with Gradient Orbs */
.background-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.06;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #3b82f6, transparent);
  top: -200px;
  left: -100px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #8b5cf6, transparent);
  top: 50%;
  right: -150px;
  animation-delay: -5s;
}

.orb-3 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #06b6d4, transparent);
  bottom: -250px;
  left: 30%;
  animation-delay: -10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.grid-squares {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.08;
}

.square {
  position: absolute;
  width: 80px;
  height: 80px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: transparent;
}

.grid-lines {
  position: absolute;
  width: 100%;
  height: 100%;
}

.grid-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.grid-line.horizontal {
  height: 2px;
  width: 80px;
}

.grid-line.vertical {
  width: 2px;
  height: 80px;
}

.grid-line.active {
  opacity: 1;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  margin: 0 auto;
  padding: 0 80px;
}

.progress-dots {
  position: fixed;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.progress-dot {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border);
  position: relative;
  transition: all 0.4s ease;
  cursor: pointer;
}

.progress-dot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: var(--main);
  transition: width 0.4s ease;
}

.progress-dot.active::before {
  width: 100%;
}

.progress-dot:hover {
  background: rgba(255, 255, 255, 0.15);
}

.hero {
  padding: 100px 0 80px;
  position: relative;
}

.hero-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  flex: 1;
  width: 100%;
  max-width: 700px;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.3rem;
  color: var(--textSec);
  margin-bottom: 40px;
  line-height: 1.7;
  text-align: justify;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 24px;
  align-items: flex-start;
}

.button-row {
  display: flex;
  gap: 10px;
  align-items: center;
  width: 100%;
}

.fancy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #00272c;
  border: 3px solid #003b45;
  height: 60px;
  width: 100%;
  border-radius: 3px;
  border-bottom-right-radius: 10px;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0;
  outline: none;
  overflow: visible;
  padding: 15px 20px 15px 15px;
  width: 60%;
  position: relative;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  transition: all 0.3s ease-in-out;
  user-select: none;
  font-size: 13px;
  flex: 1;
}

.fancy::before {
  content: ' ';
  width: 1.5625rem;
  height: 2px;
  background: white;
  top: 30%;
  left: 1.5em;
  position: absolute;
  transform: translateY(-50%);
  transform-origin: center;
  transition: background 0.3s linear, width 0.3s linear;
}

.fancy .text {
  font-size: 1.125em;
  font-family: 'ubuntu', sans-serif;
  font-weight: 700;
  line-height: 1.33333em;
  padding-left: 2.5em;
  display: block;
  text-align: left;
  transition: all 0.3s ease-in-out;
  text-transform: capitalize;
  text-decoration: none;
  color: white;
  flex: 1;
}

.fancy .download-counter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.fancy .download-counter svg {
  width: 14px;
  height: 14px;
  fill: #00ffea;
}

.fancy .topKey {
  height: 3px;
  width: 1.5625rem;
  top: -3px;
  left: 0.625rem;
  position: absolute;
  background: #00ffea;
  transition: width 0.5s ease-out, left 0.3s ease-out;
}

.fancy .bottomKey1 {
  height: 3px;
  width: 1.5625rem;
  right: 1.875rem;
  bottom: -3px;
  position: absolute;
  background: #0077ff;
  transition: width 0.5s ease-out, right 0.3s ease-out;
}

.fancy .bottomKey2 {
  height: 3px;
  width: 0.625rem;
  right: 0.625rem;
  bottom: -3px;
  position: absolute;
  background: #cfcfcf;
  transition: width 0.5s ease-out, right 0.3s ease-out;
}

.fancy:hover {
  border: 3px solid var(--border);
  border-top-right-radius: 15px;
  border-bottom-left-radius: 15px;
  background: var(--card);
}

.fancy:hover::before {
  width: 0.9375rem;
  background: white;
}

.fancy:hover .text {
  color: white;
  padding-left: 1.5em;
}

.fancy:hover {
  background: rgba(0, 255, 234, 0.2);
  border-color: rgba(0, 255, 234, 0.4);
}

.fancy:hover .topKey {
  left: -2px;
  width: 0px;
}

.fancy:hover .bottomKey1,
.fancy:hover .bottomKey2 {
  right: 0;
  width: 0;
}

.fancy.secondary {
  background: transparent;
  border: 3px solid var(--border);
}

.fancy.secondary:hover {
  background: var(--ts);
}

.contact-box {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 12px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 24px 28px;
  backdrop-filter: blur(20px);
  width: 100%;
  transition: all 0.3s ease;
}

.contact-box:hover {
  border-color: var(--mainLight);
}

.contact-box h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}

.contact-box p {
  font-size: 0.95rem;
  color: var(--textSec);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-box a {
  color: var(--mainLight);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-box a:hover {
  color: #00ffea;
}

.contact-icon {
  width: 16px;
  height: 16px;
  fill: var(--mainLight);
}

.hero-image-container {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 20px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 15px;
  backdrop-filter: blur(30px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  perspective: 1000px;
  width: 450px;
  flex-shrink: 0;
}

.hero-main-image {
  width: 100%;
  aspect-ratio: 9/16;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 16px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--textSec);
  border: 2px dashed var(--border);
  font-size: 1rem;
  text-align: center;
  padding: 5px;
  position: relative;
  overflow: hidden;
}

.heroimg {
  width: 100%;
  height: 100%;
  object-fit: fill;
  border-radius: 16px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  transition: transform 0.1s ease-out, opacity 0.8s ease-in-out;
  transform-style: preserve-3d;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
  transform: translateZ(0);
  will-change: transform, opacity;
}

.heroimg.active {
  opacity: 1;
}

.feature-row {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 40px 0;
  opacity: 0;
  transition: all 0.8s ease;
  position: relative;
}

.feature-row.visible {
  opacity: 1;
}

.feature-row.left .feature-content {
  transform: translateX(-80px);
}

.feature-row.right .feature-content {
  transform: translateX(80px);
}

.feature-row.visible .feature-content {
  transform: translateX(0);
}

.feature-content {
  display: flex;
  align-items: center;
  gap: 100px;
  transition: transform 0.8s ease;
}

.feature-row.right .feature-content {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1;
}

.feature-text h2 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
}

.feature-text p {
  font-size: 1.25rem;
  color: var(--textSec);
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-visual {
  flex: 0 0 420px;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 20px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 40px;
  backdrop-filter: blur(30px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
}

.feature-visual:hover {
  border-color: var(--mainLight);
  transform: translateY(-5px);
}

.feature-icon-container {
  width: 100%;
  aspect-ratio: 9/16;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 16px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border);
  padding: 40px;
}

.feature-icon {
  width: 100%;
  height: auto;
  max-width: 200px;
  color: var(--text);
  opacity: 0.9;
  transition: all 0.3s ease;
}

.feature-visual:hover .feature-icon {
  opacity: 1;
  transform: scale(1.05);
}

/* Info sections */
.feature-content-info {
  width: 100%;
}

.feature-content-info h2 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 50px;
  letter-spacing: -0.03em;
  text-align: center;
  color: var(--text);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.info-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 16px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 15px;
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}

.info-card:hover {
  border-color: var(--mainLight);
  transform: translateY(-5px);
}

.info-card h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--text);
}

.info-card ul {
  list-style: none;
  padding: 0;
}

.info-card li {
  font-size: 1.05rem;
  color: var(--textSec);
  margin-bottom: 12px;
  padding-left: 24px;
  position: relative;
}

.info-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--mainLight);
}

/* Features list */
.features-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(450px, 1fr));
  gap: 25px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 12px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 28px;
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: var(--mainLight);
  transform: translateX(5px);
}

.feature-emoji {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.feature-item h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-item p {
  font-size: 1rem;
  color: var(--textSec);
  line-height: 1.6;
}

/* Getting started */
.getting-started {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.step-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 16px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 40px;
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
  position: relative;
}

.step-card:hover {
  border-color: var(--mainLight);
  transform: translateY(-5px);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 30px;
  width: 50px;
  height: 50px;
  background: var(--main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  border: 3px solid var(--bg);
}

.step-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  margin-top: 15px;
  color: var(--text);
}

.step-card p {
  font-size: 1.05rem;
  color: var(--textSec);
  line-height: 1.7;
}

.tech-section {
  padding: 20px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
  position: relative;
}

.tech-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 70px;
  letter-spacing: -0.03em;
  color: var(--text);
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.tech-badge {
  background: var(--card);
  border: 2px solid var(--border);
  padding: 18px 38px;
  border-radius: 10px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  backdrop-filter: blur(20px);
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
  transition: all 0.3s ease;
}

.tech-badge:hover {
  border-color: var(--main);
  transform: translateY(-3px);
  background: rgba(95, 95, 95, 0.1);
}

.cta-section {
  padding: 140px 0 170px;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
  position: relative;
}

.cta-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.cta-box {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 28px;
  border-top-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 90px 70px;
  backdrop-filter: blur(40px);
  max-width: 950px;
  margin: 0 auto;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.cta-box h2 {
  font-size: 3.2rem;
  margin-bottom: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.cta-box p {
  font-size: 1.35rem;
  color: var(--textSec);
  margin-bottom: 48px;
}

.cta-box .fancy {
  max-width: 400px;
  margin: 0 auto;
}

footer {
  padding: 70px 0 50px;
  border-top: 2px solid var(--border);
  text-align: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  position: relative;
}

footer.visible {
  opacity: 1;
}

footer p {
  color: var(--textSec);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

footer a {
  color: var(--mainLight);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--main);
}

@media (max-width: 1024px) {
  .hero-layout {
    flex-direction: column;
    gap: 50px;
  }

  .hero-image-container {
    flex: 0 0 auto;
    max-width: 380px;
    width: 100%;
  }

  .hero-content {
    text-align: center;
  }

  .hero-actions {
    align-items: center;
  }

  .feature-content {
    flex-direction: column !important;
    gap: 60px;
  }

  .feature-visual {
    flex: 0 0 auto;
    max-width: 380px;
    width: 100%;
  }

  .feature-row.left .feature-content,
  .feature-row.right .feature-content {
    transform: translateY(-50px);
  }

  .feature-row.visible .feature-content {
    transform: translateY(0);
  }

  .progress-dots {
    right: 20px;
  }

  .info-grid,
  .features-list,
  .getting-started {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }

  .hero p {
    font-size: 1.15rem;
  }

  .button-row {
    flex-direction: column;
    width: 100%;
  }

  .fancy {
    width: 100%;
    height: auto;
    gap: 10px;
    padding: 15px;
  }

  .fancy .text {
    padding-left: 0;
    text-align: center;
  }

  .fancy .download-counter {
    align-self: center;
  }

  .feature-text h2,
  .feature-content-info h2 {
    font-size: 2.5rem;
  }

  .feature-text p {
    font-size: 1.15rem;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .container {
    padding: 0 24px;
  }

  .cta-box {
    padding: 60px 36px;
  }

  .cta-box h2 {
    font-size: 2.5rem;
  }

  .progress-dots {
    display: none;
  }
}