:root {
  --bg-main: #0a0b10;
  --bg-card: rgba(18, 20, 32, 0.75);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-hover: rgba(26, 29, 46, 0.85);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --accent: #38bdf8;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.minimal-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* Background Ambient Glows */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.glow-orb-1 {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 450px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.glow-orb-2 {
  top: 400px;
  left: -150px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}

.glow-orb-3 {
  top: 800px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.max-w-narrow {
  max-w: 780px;
  max-width: 780px;
}

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

.section {
  padding: 6rem 0;
}

.section-dark {
  background: rgba(12, 14, 24, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 11, 16, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1rem 0;
}

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

.brand {
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
}

.accent-dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-lang {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.btn-lang:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #4338ca 100%);
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
  filter: brightness(1.1);
}

/* Hero Section */
.hero-section {
  padding: 7rem 0 5rem 0;
  text-align: center;
}

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

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: 0.875rem;
  font-weight: 600;
  color: #c7d2fe;
  margin-bottom: 2rem;
  animation: pulseGlow 3s infinite ease-in-out;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 10px #22c55e;
}

@keyframes pulseGlow {
  0%, 100% { border-color: rgba(99, 102, 241, 0.3); }
  50% { border-color: rgba(99, 102, 241, 0.7); box-shadow: 0 0 15px rgba(99, 102, 241, 0.2); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  max-width: 640px;
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

/* Waitlist Card */
.waitlist-card {
  width: 100%;
  max-width: 560px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.waitlist-form {
  display: flex;
  gap: 0.75rem;
}

.input-wrapper {
  position: relative;
  flex: 1;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.waitlist-form input {
  width: 100%;
  height: 100%;
  padding: 0.85rem 1rem 0.85rem 2.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.waitlist-form input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-feedback {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

.form-feedback.success {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-feedback.error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.hidden {
  display: none;
}

.social-proof {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.avatar-stack {
  display: flex;
  margin-right: 0.25rem;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #1e293b;
  border: 2px solid #0f172a;
  margin-left: -8px;
  font-size: 0.75rem;
}

.avatar:first-child {
  margin-left: 0;
}

/* Section Header */
.section-tag {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  max-width: 600px;
  margin: 0 auto 3rem auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Grids */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--bg-card-hover);
}

.card-icon {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.highlight-card {
  position: relative;
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
}

/* Preview / Portfolio */
.preview-box {
  background: rgba(18, 20, 32, 0.85);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.preview-box:hover {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
}

.preview-badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.preview-badge.badge-secondary {
  background: rgba(168, 85, 247, 0.15);
  border-color: rgba(168, 85, 247, 0.3);
  color: #c084fc;
}

.preview-box h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.preview-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tags span {
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.accordion-header {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  user-select: none;
}

.accordion-header::-webkit-details-marker {
  display: none;
}

.chevron {
  transition: transform 0.2s ease;
  color: var(--text-dim);
  font-size: 1.1rem;
}

.accordion-item[open] .chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.accordion-body {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2.5rem 0;
  background: #08090d;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 0.35rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* Responsiveness */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .waitlist-form {
    flex-direction: column;
  }
  
  .hero-section {
    padding: 4rem 0 3rem 0;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}