/* ============================================================
   InteractHard — Shared Design System
   ============================================================ */

:root {
  --bg:    #080812;
  --bg2:   #0d0d1f;
  --bg3:   #141426;
  --bg4:   #1c1c35;
  --bg5:   #222242;
  --border:       rgba(255,255,255,0.07);
  --border-hover: rgba(168,85,247,0.5);
  --surface:      rgba(255,255,255,0.025);
  --surface2:     rgba(255,255,255,0.055);
  --purple:  #a855f7;
  --purple2: #7c3aed;
  --pink:    #ec4899;
  --gold:    #f59e0b;
  --green:   #10b981;
  --red:     #ef4444;
  --blue:    #3b82f6;
  --cyan:    #06b6d4;
  --text:    #f1f5f9;
  --text2:   rgba(241,245,249,0.65);
  --text3:   rgba(241,245,249,0.38);
  --text4:   rgba(241,245,249,0.18);
  --grad-brand: linear-gradient(135deg,#a855f7,#ec4899);
  --grad-gold:  linear-gradient(135deg,#f59e0b,#ef4444);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.6);
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 24px; --r-2xl: 32px; --r-full: 9999px;
  --ease-out: cubic-bezier(0.16,1,0.3,1);
}

html { scroll-behavior: smooth; }
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: rgba(168,85,247,0.4); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(168,85,247,0.7); }

/* ── Animated background orbs ── */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.bg-orb { position: absolute; border-radius: 50%; filter: blur(88px); animation: orbFloat 20s ease-in-out infinite; }
.bg-orb-1 { width: clamp(360px,55vw,700px); height: clamp(360px,55vw,700px); background: #7c3aed; opacity: .11; top: -20%; left: -15%; }
.bg-orb-2 { width: clamp(280px,45vw,560px); height: clamp(280px,45vw,560px); background: #ec4899; opacity: .09; bottom: -15%; right: -12%; animation-delay: -7s; }
.bg-orb-3 { width: clamp(200px,35vw,420px); height: clamp(200px,35vw,420px); background: #06b6d4; opacity: .05; top: 40%; left: 38%; animation-delay: -13s; }
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(24px,-32px) scale(1.04); }
  66%      { transform: translate(-16px,20px) scale(.97); }
}

/* ── Spinner ── */
.spinner    { width: 44px; height: 44px; border: 3px solid rgba(168,85,247,0.2); border-top-color: var(--purple); border-radius: 50%; animation: spin .85s linear infinite; }
.spinner-sm { width: 22px; height: 22px; border-width: 2px; }
.spinner-lg { width: 64px; height: 64px; border-width: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Skeleton shimmer ── */
.skel {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s ease-in-out infinite; border-radius: var(--r-sm);
}
@keyframes shimmer { from { background-position: 200% 0 } to { background-position: -200% 0 } }

/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }

/* ── Divider ── */
.divider { display: flex; align-items: center; gap: 12px; color: var(--text4); font-size: 12px; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── Text utilities ── */
.text-grad  { background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.text-gold  { color: var(--gold); }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-muted { color: var(--text2); }
.text-faint { color: var(--text3); }
.text-center { text-align: center; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: var(--r-md); padding: 10px 20px;
  font-size: 14px; font-weight: 700; cursor: pointer; text-decoration: none;
  white-space: nowrap; position: relative; overflow: hidden;
  transition: transform .15s, opacity .15s, box-shadow .25s;
}
.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: 0 4px 20px rgba(168,85,247,0.4); }
.btn-primary:hover { box-shadow: 0 8px 32px rgba(168,85,247,0.6); opacity: .95; }
.btn-ghost   { background: var(--surface); color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-hover); color: var(--text); }
.btn-gold    { background: rgba(245,158,11,0.1);  color: var(--gold);  border: 1px solid rgba(245,158,11,0.28); }
.btn-danger  { background: rgba(239,68,68,0.1);   color: var(--red);   border: 1px solid rgba(239,68,68,0.22); }
.btn-success { background: rgba(16,185,129,0.1);  color: var(--green); border: 1px solid rgba(16,185,129,0.28); }
.btn-lg   { padding: 14px 32px; font-size: 16px; border-radius: var(--r-lg); }
.btn-sm   { padding: 6px 14px;  font-size: 13px; border-radius: var(--r-sm); }
.btn-pill { border-radius: var(--r-full); }
.btn-full { width: 100%; }

/* ── Cards ── */
.card {
  background: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px;
  backdrop-filter: blur(8px); box-shadow: var(--shadow-md);
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.card:hover { border-color: rgba(168,85,247,0.25); box-shadow: var(--shadow-lg); }
.card-sm    { padding: 16px; border-radius: var(--r-md); }

/* ── Form field ── */
.form-field {
  width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 13px 16px; color: var(--text);
  font-size: 15px; font-family: inherit; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-field:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(168,85,247,0.12); }
.form-field::placeholder { color: var(--text4); }

/* ── Alerts ── */
.alert { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--r-md); font-size: 14px; line-height: 1.5; }
.alert-success { background: rgba(16,185,129,.08); border: 1px solid rgba(16,185,129,.22); color: #6ee7b7; }
.alert-error   { background: rgba(239,68,68,.08);  border: 1px solid rgba(239,68,68,.22);  color: #fca5a5; }
.alert-warn    { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.22); color: #fcd34d; }
.alert-info    { background: rgba(59,130,246,.08); border: 1px solid rgba(59,130,246,.22); color: #93c5fd; }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: var(--r-full); font-size: 11px; font-weight: 700; letter-spacing: .04em; white-space: nowrap; }
.badge-purple { background: rgba(168,85,247,.15); color: #c084fc; border: 1px solid rgba(168,85,247,.3); }
.badge-gold   { background: rgba(245,158,11,.12); color: var(--gold);   border: 1px solid rgba(245,158,11,.28); }
.badge-green  { background: rgba(16,185,129,.12); color: #6ee7b7;       border: 1px solid rgba(16,185,129,.28); }
.badge-red    { background: rgba(239,68,68,.12);  color: #fca5a5;       border: 1px solid rgba(239,68,68,.28); }
.badge-blue   { background: rgba(59,130,246,.12); color: #93c5fd;       border: 1px solid rgba(59,130,246,.28); }
.badge-gray   { background: rgba(255,255,255,.06); color: var(--text3); border: 1px solid var(--border); }

/* ── Modal / overlay ── */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(6px); z-index: 500; display: none; align-items: center; justify-content: center; padding: 20px; overflow-y: auto; }
.overlay.open { display: flex; }
.modal { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 32px; width: 100%; max-width: 460px; margin: auto; position: relative; box-shadow: var(--shadow-lg); }
.modal-close { position: absolute; top: 14px; right: 16px; background: none; border: none; color: var(--text3); font-size: 20px; cursor: pointer; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: var(--r-sm); transition: all .15s; }
.modal-close:hover { color: var(--text); background: var(--surface2); }

/* ── Result page (payment outcomes) ── */
.result-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; position: relative; z-index: 1; }
.result-card { width: 100%; max-width: 420px; background: linear-gradient(160deg, rgba(255,255,255,0.045), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--r-2xl); padding: 52px 40px; text-align: center; box-shadow: var(--shadow-lg); }
.result-icon  { font-size: 68px; display: block; margin-bottom: 20px; filter: drop-shadow(0 0 28px rgba(168,85,247,0.45)); }
.result-title { font-size: 26px; font-weight: 900; letter-spacing: -.3px; margin-bottom: 10px; }
.result-desc  { font-size: 15px; color: var(--text2); line-height: 1.7; margin-bottom: 32px; }
.result-back  { display: block; font-size: 13px; font-weight: 600; margin-top: 24px; text-decoration: none; color: var(--text3); transition: color .15s; }
.result-back:hover { color: var(--text); }
.result-back span { background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* ── Navbar (shared base) ── */
.navbar {
  position: sticky; top: 0; z-index: 200;
  background: rgba(8,8,18,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); padding: 0 clamp(16px,4vw,36px);
  height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-logo { font-size: 22px; font-weight: 900; letter-spacing: -.5px; background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-decoration: none; white-space: nowrap; }
.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.hamburger { width: 40px; height: 40px; border-radius: var(--r-sm); background: var(--surface); border: 1px solid var(--border); display: none; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; color: var(--text2); transition: all .18s; flex-shrink: 0; }
.hamburger:hover { border-color: var(--border-hover); color: var(--text); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .hide-mobile { display: none !important; }
}
@media (max-width: 480px) {
  .result-card { padding: 36px 20px; }
  .result-title { font-size: 22px; }
}