:root {
  --bg: #0a0a0f;
  --bg-soft: #12121a;
  --primary: #6366f1;
  --primary-glow: #818cf8;
  --accent: #22d3ee;
  --accent-2: #f472b6;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(255,255,255,0.08);
  --card: rgba(255,255,255,0.03);
  --gradient: linear-gradient(135deg, #6366f1 0%, #22d3ee 50%, #f472b6 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

.ambient { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(120px); opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: #6366f1; top: -100px; left: -100px; }
.orb-2 { width: 400px; height: 400px; background: #22d3ee; top: 40%; right: -100px; animation-delay: -7s; }
.orb-3 { width: 450px; height: 450px; background: #f472b6; bottom: -100px; left: 30%; animation-delay: -14s; }

@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(50px,-50px) scale(1.1); }
  66% { transform: translate(-50px,50px) scale(0.9); }
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10,10,15,0.6);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 20px; letter-spacing: -0.5px;
}
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--gradient);
  display: grid; place-items: center;
  box-shadow: 0 0 20px rgba(99,102,241,0.5);
}
.logo-mark svg { width: 18px; height: 18px; }

.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 14px; font-weight: 500; transition: color 0.3s;
}
.nav-links a:hover { color: var(--text); }

.btn {
  padding: 11px 22px; border-radius: 10px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: none; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  font-family: inherit;
}
.btn-primary {
  background: var(--gradient);
  background-size: 200% 200%;
  color: white;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
  animation: gradientShift 6s ease infinite;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.6);
}
@keyframes gradientShift {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.btn-ghost {
  background: var(--card); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-large { padding: 15px 30px; font-size: 15px; border-radius: 12px; }
.btn-large svg { width: 18px; height: 18px; transition: transform 0.3s; }
.btn-large:hover svg { transform: translateX(4px); }

.hero {
  max-width: 1200px; margin: 0 auto;
  padding: 160px 24px 100px; text-align: center;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 6px; border-radius: 100px;
  background: var(--card); border: 1px solid var(--border);
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 28px;
  animation: fadeUp 0.8s ease both;
}
.badge-tag {
  background: var(--gradient); color: white;
  font-weight: 600; font-size: 11px;
  padding: 3px 9px; border-radius: 100px; letter-spacing: 0.3px;
}
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -2px; margin-bottom: 24px;
  animation: fadeUp 0.8s ease 0.1s both;
}
.gradient-text {
  background: var(--gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s linear infinite;
}
.hero p.sub {
  font-size: 1.15rem; color: var(--text-muted);
  max-width: 600px; margin: 0 auto 40px;
  animation: fadeUp 0.8s ease 0.2s both;
}
.hero-cta {
  display: flex; gap: 14px; justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.8s ease 0.3s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-frame {
  max-width: 1000px; margin: 80px auto 0;
  border-radius: 20px; padding: 1px;
  background: linear-gradient(135deg, rgba(99,102,241,0.5), rgba(34,211,238,0.2), rgba(244,114,182,0.4));
  animation: fadeUp 1s ease 0.4s both;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
}
.product-inner { background: var(--bg-soft); border-radius: 19px; overflow: hidden; }
.product-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-1 { background: #ff5f57; }
.dot-2 { background: #febc2e; }
.dot-3 { background: #28c840; }
.product-url {
  margin-left: 12px; font-size: 12px; color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  padding: 4px 12px; border-radius: 6px;
}
.product-body {
  padding: 30px;
  display: grid; grid-template-columns: 200px 1fr;
  gap: 24px; min-height: 340px;
}
.sidebar { display: flex; flex-direction: column; gap: 8px; }
.side-item {
  padding: 10px 14px; border-radius: 8px;
  font-size: 13px; color: var(--text-muted);
  display: flex; align-items: center; gap: 10px;
}
.side-item.active {
  background: rgba(99,102,241,0.15);
  color: var(--text);
  border: 1px solid rgba(99,102,241,0.3);
}
.side-item::before {
  content: ''; width: 6px; height: 6px;
  border-radius: 50%; background: currentColor; opacity: 0.5;
}
.main-panel { display: flex; flex-direction: column; gap: 16px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
}
.stat-label {
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px; font-weight: 700; margin-top: 6px;
}
.stat-value.up { color: #4ade80; }
.chart {
  flex: 1; background: var(--card);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; display: flex; align-items: flex-end;
  gap: 8px; min-height: 140px;
}
.bar {
  flex: 1;
  background: linear-gradient(to top, var(--primary), var(--accent));
  border-radius: 6px 6px 0 0;
  animation: growBar 1.2s cubic-bezier(0.34,1.56,0.64,1) both;
  opacity: 0.85;
}
@keyframes growBar {
  from { transform: scaleY(0); transform-origin: bottom; }
  to { transform: scaleY(1); transform-origin: bottom; }
}

.logos { max-width: 1000px; margin: 80px auto 0; padding: 0 24px; text-align: center; }
.logos p {
  font-size: 13px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 28px;
}
.logo-grid {
  display: flex; justify-content: center; align-items: center;
  gap: 50px; flex-wrap: wrap; opacity: 0.55;
}
.logo-grid span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 20px;
  color: var(--text); letter-spacing: -0.5px;
}

section { padding: 100px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; letter-spacing: -1.5px;
  line-height: 1.1; margin-bottom: 16px;
}
.section-header p {
  color: var(--text-muted); max-width: 550px;
  margin: 0 auto; font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; padding: 32px;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: var(--gradient); opacity: 0; transition: opacity 0.4s;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99,102,241,0.4);
  background: rgba(255,255,255,0.05);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--gradient);
  display: grid; place-items: center;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(99,102,241,0.3);
}
.feature-icon svg { width: 24px; height: 24px; color: white; }
.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem; font-weight: 600;
  margin-bottom: 10px; letter-spacing: -0.3px;
}
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; max-width: 1050px;
  margin: 0 auto; align-items: stretch;
}
.price-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 30px;
  display: flex; flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
  position: relative;
}
.price-card.featured {
  background: linear-gradient(180deg, rgba(99,102,241,0.12), rgba(34,211,238,0.04));
  border: 1px solid rgba(99,102,241,0.4);
  transform: scale(1.03);
  box-shadow: 0 20px 60px rgba(99,102,241,0.25);
}
.price-card.featured::after {
  content: 'POPULAIRE';
  position: absolute; top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient); color: white;
  font-size: 11px; font-weight: 700;
  letter-spacing: 1px; padding: 5px 14px; border-radius: 100px;
}
.price-card:hover { transform: translateY(-6px); }
.price-card.featured:hover { transform: scale(1.03) translateY(-6px); }
.plan-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem; font-weight: 600; margin-bottom: 8px;
}
.plan-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; min-height: 40px; }
.plan-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem; font-weight: 700;
  letter-spacing: -2px; line-height: 1;
  margin-bottom: 4px;
}
.plan-price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0; }
.plan-period { font-size: 13px; color: var(--text-muted); margin-bottom: 28px; }
.plan-features {
  list-style: none; display: flex; flex-direction: column;
  gap: 12px; margin-bottom: 32px; flex: 1;
}
.plan-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-muted);
}
.plan-features svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.price-card .btn { width: 100%; justify-content: center; }

.cta-banner {
  max-width: 1000px; margin: 0 auto;
  border-radius: 28px; padding: 70px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(34,211,238,0.1), rgba(244,114,182,0.15));
  border: 1px solid rgba(99,102,241,0.3);
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(99,102,241,0.3), transparent 60%);
}
.cta-banner > * { position: relative; }
.cta-banner h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700; letter-spacing: -1.5px; margin-bottom: 16px;
}
.cta-banner p {
  color: var(--text-muted); max-width: 500px;
  margin: 0 auto 32px; font-size: 1.05rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px; margin-top: 60px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 20px;
}
.footer-inner p { color: var(--text-muted); font-size: 13px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 13px; transition: color 0.3s;
}
.footer-links a:hover { color: var(--text); }

/* === Auth / App === */
.auth-wrap {
  min-height: 100vh; display: grid; place-items: center;
  padding: 120px 24px 60px;
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px 32px;
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.auth-card h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem; font-weight: 700;
  letter-spacing: -0.8px; margin-bottom: 8px;
}
.auth-card p.hint {
  color: var(--text-muted); font-size: 14px; margin-bottom: 28px;
}
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 13px;
  font-weight: 500; color: var(--text-muted);
  margin-bottom: 8px;
}
.field input {
  width: 100%; padding: 13px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-family: inherit; font-size: 14px;
  transition: border-color 0.3s;
}
.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.msg {
  padding: 12px 14px; border-radius: 10px;
  font-size: 13px; margin-bottom: 16px;
  display: none;
}
.msg.error { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); display: block; }
.msg.success { background: rgba(34,197,94,0.12); color: #86efac; border: 1px solid rgba(34,197,94,0.3); display: block; }

.tier-badge {
  display: inline-block; padding: 4px 10px;
  border-radius: 100px;
  background: var(--gradient);
  color: white; font-size: 11px;
  font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .product-body { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; overflow-x: auto; }
  .stat-row { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-6px); }
  .hero { padding-top: 130px; }
}