/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a28;
  --bg-section-dark: #08080d;
  --text: #e8e8ed;
  --text-secondary: #8b8b9e;
  --accent: #845ef7;
  --accent-light: #da77f2;
  --accent-glow: rgba(132, 94, 247, 0.15);
  --green: #51cf66;
  --yellow: #ffd43b;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  zoom: 1.1;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

::selection {
  background: var(--accent);
  color: white;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1002;
}

.logo-icon {
  width: 32px;
  height: 32px;
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-logo span {
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== Logo Hover Menu ===== */
.logo-menu-zone {
  position: relative;
}

/* On hover: navbar logo fades out, morphs into the menu */
.logo-menu-zone:hover .nav-logo .logo-icon {
  opacity: 0;
  transform: scale(2.5);
  filter: blur(6px);
}

.logo-menu-zone:hover .nav-logo span {
  opacity: 0;
  transform: translateX(-10px);
}

.logo-menu {
  position: absolute;
  top: -12px;
  left: -16px;
  min-width: 340px;
  background: rgba(10, 10, 18, 0.97);
  backdrop-filter: blur(32px) saturate(1.6);
  -webkit-backdrop-filter: blur(32px) saturate(1.6);
  border: 1px solid rgba(82, 59, 152, 0.3);
  border-radius: 20px;
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.3);
  transform-origin: 32px 24px;
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow:
    0 16px 64px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(82, 59, 152, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  z-index: 1003;
  pointer-events: none;
}

.logo-menu-zone:hover .logo-menu {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  pointer-events: all;
}

.logo-menu-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 6px;
}

.logo-menu-header svg {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  opacity: 0;
  transform: scale(0.5) rotate(-15deg);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.1s;
}

.logo-menu-zone:hover .logo-menu-header svg {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.logo-menu-header-text h4 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-menu-header-text span {
  font-size: 12px;
  color: var(--text-secondary);
}

.logo-menu-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.25s;
  opacity: 0;
  transform: translateY(8px) scale(0.95);
}

.logo-menu-zone:hover .logo-menu-item {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.logo-menu-zone:hover .logo-menu-item:nth-child(1) { transition-delay: 0.08s; }
.logo-menu-zone:hover .logo-menu-item:nth-child(2) { transition-delay: 0.13s; }
.logo-menu-zone:hover .logo-menu-item:nth-child(3) { transition-delay: 0.18s; }
.logo-menu-zone:hover .logo-menu-item:nth-child(4) { transition-delay: 0.23s; }
.logo-menu-zone:hover .logo-menu-item:nth-child(5) { transition-delay: 0.28s; }
.logo-menu-zone:hover .logo-menu-item:nth-child(6) { transition-delay: 0.33s; }

.logo-menu-item:hover {
  background: rgba(82, 59, 152, 0.18);
  color: var(--text);
  transform: translateX(4px);
}

.logo-menu-item:hover .lm-icon {
  background: rgba(82, 59, 152, 0.3);
  box-shadow: 0 0 16px rgba(82, 59, 152, 0.2);
}

.lm-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.25s;
}

.lm-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.logo-menu-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  margin: 6px 14px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.3s;
  flex-shrink: 0;
}

.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-glow);
}

.lang-icon {
  flex-shrink: 0;
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.mobile-menu.active { opacity: 1; pointer-events: all; }

.mobile-link {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-secondary);
  transition: all 0.3s;
  transform: translateY(20px);
}

.mobile-menu.active .mobile-link {
  transform: translateY(0);
  transition-delay: calc(var(--i, 0) * 0.08s);
}

.mobile-link:hover { color: var(--text); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#heroCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 800px;
}

/* Parallax layers */
.hero-content .hero-title {
  will-change: transform;
}

.hero-content .hero-subtitle {
  will-change: transform;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(81, 207, 102, 0.08);
  border: 1px solid rgba(81, 207, 102, 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--green);
  margin-bottom: 32px;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--text-secondary);
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #9b6bf7);
  color: white;
  box-shadow: 0 4px 24px rgba(132, 94, 247, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(132, 94, 247, 0.4);
}

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== Sections ===== */
.section {
  padding: 120px 0;
  position: relative;
}

.section-dark { background: var(--bg-section-dark); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  display: block;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== About Grid ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.5s;
}

/* Shimmer glow on hover */
.about-card::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(132, 94, 247, 0.06) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}

.about-card:hover::after { opacity: 1; }

.about-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(132, 94, 247, 0.25);
  box-shadow: 0 20px 60px rgba(132, 94, 247, 0.08), 0 0 0 1px rgba(132, 94, 247, 0.1);
}

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

.about-card:hover .card-icon {
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 0 24px rgba(132, 94, 247, 0.2);
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 14px;
  margin-bottom: 20px;
  color: var(--text-secondary);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.about-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.about-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== Project Showcase ===== */
.showcase {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: center;
}

.showcase-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 212, 59, 0.08);
  border: 1px solid rgba(255, 212, 59, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--yellow);
  margin-bottom: 20px;
}

.project-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.project-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.project-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.showcase-screen-label {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 24px;
  padding: 8px 16px;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  transition: all 0.4s;
}

/* ===== 3D Phone Gallery ===== */
.showcase-phones {
  position: relative;
  height: 560px;
  perspective: 1200px;
}

.phones-scene {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.phone-card {
  position: absolute;
  width: 230px;
  height: 470px;
  left: 50%;
  top: 50%;
  margin-left: -115px;
  margin-top: -235px;
  border-radius: 32px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.06);
  background: #111;
  cursor: pointer;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.5s,
              box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.phone-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 29px;
  background: linear-gradient(180deg, rgba(132, 94, 247, 0) 60%, rgba(132, 94, 247, 0.08) 100%);
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.4s;
}

.phone-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 29px;
}

/* Position states set via JS */
.phone-card[data-pos="center"] {
  transform: translateZ(60px) scale(1);
  z-index: 5;
  border-color: rgba(132, 94, 247, 0.35);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 60px rgba(132, 94, 247, 0.15),
    inset 0 0 0 1px rgba(132, 94, 247, 0.1);
}

.phone-card[data-pos="center"]::before { opacity: 1; }

.phone-card[data-pos="left"] {
  transform: translateX(-75%) translateZ(-40px) rotateY(25deg) scale(0.85);
  z-index: 3;
  opacity: 0.7;
  filter: brightness(0.7);
}

.phone-card[data-pos="right"] {
  transform: translateX(75%) translateZ(-40px) rotateY(-25deg) scale(0.85);
  z-index: 3;
  opacity: 0.7;
  filter: brightness(0.7);
}

.phone-card[data-pos="far-left"] {
  transform: translateX(-130%) translateZ(-120px) rotateY(35deg) scale(0.7);
  z-index: 1;
  opacity: 0.35;
  filter: brightness(0.5);
}

.phone-card[data-pos="far-right"] {
  transform: translateX(130%) translateZ(-120px) rotateY(-35deg) scale(0.7);
  z-index: 1;
  opacity: 0.35;
  filter: brightness(0.5);
}

.phone-card[data-pos="hidden"] {
  transform: translateZ(-200px) scale(0.5);
  z-index: 0;
  opacity: 0;
  pointer-events: none;
}

.phones-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(132, 94, 247, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* Nav arrows */
.phones-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(18, 18, 26, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 10;
}

.phones-nav:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.phones-nav--prev { left: -8px; }
.phones-nav--next { right: -8px; }

/* Dots */
.phones-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.phones-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.phones-dot.active {
  background: var(--accent);
  width: 20px;
  border-radius: 3px;
}

/* ===== Beta Form ===== */
.beta-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.beta-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.beta-form::before {
  content: '';
  position: absolute;
  top: -1px; left: 20%; right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 2px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.optional {
  font-weight: 400;
  opacity: 0.5;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--text);
  transition: all 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238b8b9e' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
  background: var(--bg-card);
  border: 1px solid rgba(81, 207, 102, 0.2);
  border-radius: var(--radius);
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.5s ease;
}

.form-success h3 {
  font-size: 1.5rem;
  margin: 20px 0 10px;
}

.form-success p { color: var(--text-secondary); }

/* ===== Contact ===== */
.contact-center {
  display: flex;
  justify-content: center;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 56px;
  text-align: center;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(132, 94, 247, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s;
}

.contact-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(132, 94, 247, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(132, 94, 247, 0.12);
}

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

.contact-card:hover .contact-icon {
  transform: scale(1.15);
  box-shadow: 0 0 32px rgba(132, 94, 247, 0.25);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 14px;
  color: var(--text-secondary);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  font-weight: 500;
}

.contact-value {
  font-weight: 600;
  font-size: 1.05rem;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== Animations ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.15s; }
.animate-in:nth-child(2) { animation-delay: 0.3s; }
.animate-in:nth-child(3) { animation-delay: 0.45s; }
.animate-in:nth-child(4) { animation-delay: 0.6s; }
.animate-in:nth-child(5) { animation-delay: 0.75s; }

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

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  filter: blur(4px);
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Directional reveals */
.scroll-reveal.from-left {
  transform: translateX(-60px);
}
.scroll-reveal.from-left.visible {
  transform: translateX(0);
}

.scroll-reveal.from-right {
  transform: translateX(60px);
}
.scroll-reveal.from-right.visible {
  transform: translateX(0);
}

.scroll-reveal.from-scale {
  transform: scale(0.85);
}
.scroll-reveal.from-scale.visible {
  transform: scale(1);
}

/* ===== Sexy Global Effects ===== */

/* Smooth hover glow on all cards */
.about-card, .contact-card, .beta-form-wrapper {
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-card:hover {
  box-shadow: 0 16px 48px rgba(132, 94, 247, 0.1), 0 0 0 1px rgba(132, 94, 247, 0.15);
}

/* Section dividers with gradient glow */
.section::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(132, 94, 247, 0.15), transparent);
  pointer-events: none;
}

/* Pulsing accent glow behind hero badge */
.hero-badge {
  position: relative;
}
.hero-badge::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: rgba(81, 207, 102, 0.06);
  animation: badgePulse 3s ease-in-out infinite;
  z-index: -1;
}
@keyframes badgePulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

/* Smooth gradient shift on primary buttons */
.btn-primary {
  background-size: 200% 200%;
  background-image: linear-gradient(135deg, var(--accent) 0%, #9b6bf7 50%, #da77f2 100%);
  animation: gradientShift 4s ease infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(132, 94, 247, 0.45);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.1s;
}

/* Links smooth underline */
.nav-link {
  transition: color 0.3s, transform 0.3s;
}
.nav-link:hover {
  transform: translateY(-1px);
}

/* Showcase screen label fade */
.showcase-screen-label {
  transition: opacity 0.4s, transform 0.4s;
}

/* Phone carousel — smoother center glow */
.phone-card[data-pos="center"] {
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 80px rgba(132, 94, 247, 0.12),
    0 0 120px rgba(132, 94, 247, 0.06),
    inset 0 0 0 1px rgba(132, 94, 247, 0.1);
}

/* Form inputs glow on focus */
.beta-form input:focus,
.beta-form select:focus,
.beta-form textarea:focus {
  box-shadow: 0 0 0 3px rgba(132, 94, 247, 0.15), 0 4px 16px rgba(132, 94, 247, 0.08);
  transition: box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s;
}

/* Contact card hover */
.contact-card:hover {
  box-shadow: 0 12px 40px rgba(132, 94, 247, 0.12);
  transform: translateY(-6px);
}

/* Staggered scroll-reveal for grid children */
.about-grid .scroll-reveal:nth-child(1) { transition-delay: 0.05s; }
.about-grid .scroll-reveal:nth-child(2) { transition-delay: 0.12s; }
.about-grid .scroll-reveal:nth-child(3) { transition-delay: 0.19s; }
.about-grid .scroll-reveal:nth-child(4) { transition-delay: 0.26s; }

/* Smooth page scroll feel */
html {
  scroll-behavior: smooth;
}

/* Carousel dots animation */
.phones-dot {
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.phones-dot.active {
  transform: scale(1.3);
}

/* Lang toggle subtle animation */
.lang-toggle {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(132, 94, 247, 0.15);
}

/* Footer brand hover */
.footer-brand:hover .logo-icon {
  transform: rotate(8deg) scale(1.1);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .showcase {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .showcase-info {
    align-items: center;
    text-align: center;
  }

  .showcase-phones {
    height: 480px;
  }

  .phone-card {
    width: 200px;
    height: 410px;
    margin-left: -100px;
    margin-top: -205px;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .hero-content { padding: 100px 20px 60px; }
  .section { padding: 80px 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-card { padding: 28px; }

  .showcase-phones { height: 440px; }

  .phone-card {
    width: 180px;
    height: 370px;
    margin-left: -90px;
    margin-top: -185px;
  }

  .phone-card[data-pos="far-left"],
  .phone-card[data-pos="far-right"] {
    opacity: 0;
    pointer-events: none;
  }

  .phone-card[data-pos="left"] {
    transform: translateX(-60%) translateZ(-30px) rotateY(20deg) scale(0.82);
  }
  .phone-card[data-pos="right"] {
    transform: translateX(60%) translateZ(-30px) rotateY(-20deg) scale(0.82);
  }

  .beta-form { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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

  .project-title { font-size: 1.7rem; }

  .showcase-phones { height: 400px; }

  .phone-card {
    width: 170px;
    height: 350px;
    margin-left: -85px;
    margin-top: -175px;
  }

  .phone-card[data-pos="left"],
  .phone-card[data-pos="right"] {
    transform: translateX(-55%) translateZ(-20px) rotateY(15deg) scale(0.78);
    opacity: 0.5;
  }

  .phone-card[data-pos="right"] {
    transform: translateX(55%) translateZ(-20px) rotateY(-15deg) scale(0.78);
  }

  .phones-nav { display: none; }

  .contact-card {
    padding: 32px 24px;
  }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(132, 94, 247, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }