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

/* ── Base ── */
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #0a0818;
  min-height: 100vh;
  color: #e2e8f0;
  overflow-x: hidden;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ── Floating orbs ── */
.orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: drift 18s ease-in-out infinite alternate;
}

.orb1 { width: 500px; height: 500px; background: #7c3aed; top: -100px; left: -100px; animation-duration: 20s; }
.orb2 { width: 400px; height: 400px; background: #2563eb; bottom: 10%; right: -80px; animation-duration: 25s; animation-delay: -8s; }
.orb3 { width: 300px; height: 300px; background: #0ea5e9; top: 40%; left: 40%; animation-duration: 22s; animation-delay: -4s; }

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 60px) scale(1.1); }
}

/* ══════════════════════════════════════
   HEADER
══════════════════════════════════════ */
.site-header {
  position: relative;
  background: linear-gradient(160deg, #1e1040 0%, #0f0c29 40%, #1a1040 100%);
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
  overflow: hidden;
  padding-bottom: 30px;
}

/* animated shimmer line across top */
.site-header::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 300%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #a78bfa, #60a5fa, #a78bfa, transparent);
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  from { transform: translateX(0); }
  to   { transform: translateX(33.33%); }
}

/* nav bar */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px 0;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 1.6rem;
  animation: spin-slow 8s linear infinite;
  display: inline-block;
}

@keyframes spin-slow {
  0%   { transform: rotate(0deg); }
  25%  { transform: rotate(-15deg); }
  75%  { transform: rotate(15deg); }
  100% { transform: rotate(0deg); }
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.header-nav { display: flex; gap: 8px; }

.nav-link {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.nav-link::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(167,139,250,0.15), rgba(96,165,250,0.15));
  opacity: 0;
  transition: opacity 0.25s;
}

.nav-link:hover { color: #fff; border-color: rgba(167,139,250,0.5); }
.nav-link:hover::after { opacity: 1; }

/* hero */
.header-hero {
  text-align: center;
  padding: 48px 20px 20px;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 18px;
}

.word {
  display: inline-block;
  background: linear-gradient(135deg, #a78bfa, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(30px);
  animation: word-in 0.6s forwards;
}

.w1 { animation-delay: 0.1s; }
.w2 { animation-delay: 0.3s; }
.w3 { animation-delay: 0.5s; }

@keyframes word-in {
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  color: #94a3b8;
  font-size: 1.05rem;
  margin-bottom: 28px;
  opacity: 0;
  animation: fade-up 0.6s 0.7s forwards;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  animation: fade-up 0.6s 0.9s forwards;
}

.badge {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(167,139,250,0.3);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.82rem;
  color: #c4b5fd;
  transition: transform 0.2s, background 0.2s;
}

.badge:hover {
  transform: translateY(-3px);
  background: rgba(167,139,250,0.12);
}

/* wave divider */
.header-wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 60px;
  pointer-events: none;
}

.header-wave svg { width: 100%; height: 100%; }

/* ══════════════════════════════════════
   MAIN / CALCULATOR
══════════════════════════════════════ */
main {
  flex: 1;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 16px 48px;
  position: relative;
  z-index: 1;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.tab {
  flex: 1;
  padding: 13px;
  border: 2px solid #4f46e5;
  background: transparent;
  color: #818cf8;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.tab.active, .tab:hover {
  background: #4f46e5;
  color: #fff;
  transform: translateY(-2px);
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fade-up 0.35s ease; }

/* ── Card ── */
.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 20px;
  backdrop-filter: blur(12px);
  transition: border-color 0.3s;
}

.card:hover { border-color: rgba(167,139,250,0.2); }

.card h2 {
  font-size: 1.2rem;
  color: #c4b5fd;
  margin-bottom: 22px;
}

/* ── Form ── */
.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 7px;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: #f1f5f9;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  color-scheme: dark;
}

.form-group input:focus {
  border-color: #818cf8;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 0 0 3px rgba(129,140,248,0.15);
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ── Error ── */
.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-bottom: 12px;
}

/* ── Button ── */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  margin-top: 6px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 40%; height: 200%;
  background: rgba(255,255,255,0.15);
  transform: skewX(-20deg);
  transition: left 0.4s;
}

.btn-primary:hover::before { left: 120%; }
.btn-primary:hover { opacity: 0.92; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,70,229,0.4); }
.btn-primary:active { transform: translateY(0); }

/* ── Result card ── */
.result-card h2 { font-size: 1.4rem; color: #a78bfa; margin-bottom: 18px; }

.age-banner {
  background: rgba(99, 102, 241, 0.13);
  border-left: 4px solid #818cf8;
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #e2e8f0;
  line-height: 1.8;
  margin-bottom: 22px;
  word-break: break-word;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px 8px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-box:hover { transform: translateY(-3px); border-color: rgba(167,139,250,0.3); }

.stat-val { font-size: 1rem; font-weight: 700; color: #a78bfa; word-break: break-all; }
.stat-lbl { font-size: 0.7rem; color: #475569; margin-top: 5px; text-transform: uppercase; letter-spacing: 0.06em; }

.pills { display: flex; flex-wrap: wrap; gap: 10px; }

.pill {
  background: rgba(99, 102, 241, 0.18);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.88rem;
  color: #c4b5fd;
}

.winner-box {
  background: rgba(52, 211, 153, 0.1);
  border-left: 4px solid #34d399;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #6ee7b7;
  margin-bottom: 18px;
}

.person-mini {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 18px;
}

.person-mini h3 { font-size: 1rem; color: #818cf8; margin-bottom: 10px; }
.person-mini p  { font-size: 0.87rem; color: #94a3b8; line-height: 1.8; }

.hidden { display: none !important; }

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact-section {
  position: relative;
  z-index: 1;
  padding: 80px 16px;
  background: linear-gradient(180deg, transparent, rgba(79,70,229,0.06) 40%, transparent);
}

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

/* glowing blob behind form */
.contact-glow {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.25), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  from { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  to   { opacity: 1;   transform: translate(-50%, -50%) scale(1.15); }
}

.contact-title {
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  background: linear-gradient(90deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.contact-sub {
  text-align: center;
  color: #64748b;
  font-size: 0.95rem;
  margin-bottom: 36px;
}

.contact-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 1;
}

.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.cf-group { margin-bottom: 18px; }

.cf-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 7px;
}

.cf-group input,
.cf-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  color: #f1f5f9;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  color-scheme: dark;
}

.cf-group input:focus,
.cf-group textarea:focus {
  border-color: #818cf8;
  background: rgba(255,255,255,0.09);
  box-shadow: 0 0 0 3px rgba(129,140,248,0.15);
}

.btn-send { margin-top: 4px; }

.cf-success {
  margin-top: 14px;
  background: rgba(52,211,153,0.12);
  border: 1px solid rgba(52,211,153,0.35);
  color: #6ee7b7;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.9rem;
  text-align: center;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.c-link {
  color: #818cf8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 9px 20px;
  border: 1px solid rgba(129,140,248,0.25);
  border-radius: 999px;
  transition: all 0.25s;
}

.c-link:hover {
  background: rgba(129,140,248,0.12);
  border-color: rgba(129,140,248,0.5);
  color: #c4b5fd;
  transform: translateY(-2px);
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, #0a0818, #0d0b22);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 24px 0;
}

/* animated top border */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #7c3aed, #2563eb, #7c3aed, transparent);
  background-size: 200% 100%;
  animation: border-slide 4s linear infinite;
}

@keyframes border-slide {
  from { background-position: 0% 0%; }
  to   { background-position: 200% 0%; }
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(90deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 10px;
}

.footer-brand p { color: #475569; font-size: 0.88rem; line-height: 1.6; }

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #475569;
  margin-bottom: 4px;
}

.footer-links-col a {
  color: #64748b;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s, transform 0.2s;
  display: inline-block;
}

.footer-links-col a:hover { color: #a78bfa; transform: translateX(4px); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 18px 0;
  text-align: center;
  color: #334155;
  font-size: 0.85rem;
}

.footer-author {
  background: linear-gradient(90deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s;
}

.footer-author:hover { opacity: 0.8; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 640px) {
  .two-col, .cf-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero-title { letter-spacing: -1px; }
  .card, .contact-form { padding: 20px; }
  .header-nav { display: none; }
}