/* ═══════════════════════════════════════════════════════════
   FUCK 65 GO 40 — Premium Design System
   Dark layered surfaces, gradient accents, smooth animations
   ═══════════════════════════════════════════════════════════ */

/* ── Tokens ───────────────────────────────────────────── */
:root {
  --bg:           #0a0a0f;
  --surface:      #12121a;
  --surface-2:    #1a1a26;
  --surface-3:    #22222e;
  --border:       rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text:         #e2e2e8;
  --text-muted:   #8888a0;
  --text-dim:     #55556a;
  --green:        #10b981;
  --green-glow:   rgba(16,185,129,0.15);
  --blue:         #3b82f6;
  --yellow:       #eab308;
  --orange:       #f97316;
  --red:          #ef4444;
  --nuke:         #d946ef;
  --nuke-glow:    rgba(217,70,239,0.2);
  --radius:       16px;
  --radius-sm:    10px;
  --radius-xs:    6px;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:         'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --ease:         cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ── Ambient Orbs ─────────────────────────────────────── */
.ambient-orb {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(120px); opacity: 0.07;
}
.orb-1 { width: 600px; height: 600px; background: var(--green); top: -200px; left: -200px; }
.orb-2 { width: 500px; height: 500px; background: var(--nuke); bottom: -200px; right: -200px; }

/* ── Container ────────────────────────────────────────── */
.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ── Section Headers ──────────────────────────────────── */
.sec-head { text-align: center; margin-bottom: 48px; }
.sec-head h3 {
  font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 900; letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--text), var(--text-muted));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.sec-head p { color: var(--text-dim); font-size: 0.9rem; margin-top: 8px; }

/* ═══════ HERO ═══════════════════════════════════════════ */
#hero {
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(16,185,129,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,185,129,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 30%, transparent 70%);
}
.hero-inner { position: relative; z-index: 2; padding: 80px 24px 60px; }

.hero-badge {
  display: inline-block; font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.2em; color: var(--green);
  padding: 6px 16px; border-radius: 999px;
  border: 1px solid rgba(16,185,129,0.2); background: rgba(16,185,129,0.06);
  margin-bottom: 32px;
  animation: fadeUp .6s var(--ease) both;
}
.hero-title {
  font-size: clamp(3.5rem, 12vw, 8rem); font-weight: 900; line-height: 0.95;
  letter-spacing: -0.02em;
  animation: fadeUp .6s var(--ease) .1s both;
}
.strike {
  position: relative; color: var(--red); opacity: 0.5;
}
.strike::after {
  content: ''; position: absolute; left: -4px; right: -4px; top: 50%;
  height: 6px; background: var(--red); border-radius: 3px;
  transform: rotate(-4deg);
}
.hero-subtitle {
  font-size: clamp(2.5rem, 8vw, 5.5rem); font-weight: 900; line-height: 1;
  margin-top: 8px;
  animation: fadeUp .6s var(--ease) .2s both;
}
.glow-text {
  background: linear-gradient(135deg, var(--green), #6ee7b7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px var(--green-glow));
}
.hero-desc {
  color: var(--text-muted); font-size: clamp(0.95rem, 2vw, 1.15rem);
  max-width: 560px; margin: 24px auto 0; line-height: 1.7;
  animation: fadeUp .6s var(--ease) .3s both;
}

/* Hero CTA */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 0.9rem; border-radius: var(--radius-sm);
  transition: all .3s var(--ease);
}
.btn-primary {
  background: linear-gradient(135deg, var(--green), #059669);
  color: #000; padding: 14px 32px;
  box-shadow: 0 4px 24px rgba(16,185,129,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(16,185,129,0.35); }
.btn-hero { animation: fadeUp .6s var(--ease) .4s both; margin-top: 36px; }
.btn-ghost {
  padding: 10px 20px; border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

/* Hero metrics */
.hero-metrics {
  display: flex; align-items: center; justify-content: center; gap: 24px;
  margin-top: 56px;
  animation: fadeUp .6s var(--ease) .5s both;
}
.hero-metric { text-align: center; }
.hm-val { display: block; font-family: var(--mono); font-size: 1.5rem; font-weight: 700; color: var(--green); }
.hm-label { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.12em; color: var(--text-dim); text-transform: uppercase; }
.hero-metric-sep { width: 1px; height: 32px; background: var(--border); }

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  animation: fadeUp .6s var(--ease) .7s both;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--green), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ═══════ SECTIONS ════════════════════════════════════════ */
section { padding: 100px 0; position: relative; z-index: 1; }
#dashboard { border-top: 1px solid var(--border); }
#levels { border-top: 1px solid var(--border); }

/* ═══════ PRESETS ═════════════════════════════════════════ */
.preset-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.preset-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); font-size: 0.78rem; font-weight: 600;
  color: var(--text-muted); background: var(--surface);
  transition: all .25s var(--ease);
}
.preset-btn:hover { border-color: var(--border-hover); color: var(--text); background: var(--surface-2); }
.preset-btn.active { border-color: var(--green); color: var(--green); background: rgba(16,185,129,0.06); }
.pe { font-size: 1rem; }

/* ═══════ INPUT GRID ══════════════════════════════════════ */
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .input-grid { grid-template-columns: 1fr; } }

.icard {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  transition: border-color .3s, box-shadow .3s;
}
.icard:focus-within { border-color: var(--border-hover); box-shadow: 0 0 20px rgba(16,185,129,0.06); }
.icard-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.icard-top label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }
.ival { font-family: var(--mono); font-size: 1.4rem; font-weight: 700; color: var(--green); }
.iopt { font-size: 0.6rem; color: var(--text-dim); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }
.icard-foot { display: flex; justify-content: space-between; margin-top: 10px; font-size: 0.65rem; color: var(--text-dim); }
.text-g { color: var(--green); font-weight: 600; }

/* Fields */
.ifield {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
  transition: border-color .2s;
}
.ifield:focus-within { border-color: rgba(16,185,129,0.3); }
.ipre { color: var(--text-dim); font-family: var(--mono); font-size: 1rem; font-weight: 600; }
.ifield input {
  background: none; border: none; outline: none; color: var(--text);
  font-family: var(--mono); font-size: 1.1rem; font-weight: 700; width: 100%;
}
.ifield input::-webkit-inner-spin-button,
.ifield input::-webkit-outer-spin-button { -webkit-appearance: none; }
.ifield input { -moz-appearance: textfield; }

/* Range */
.range-sl { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px; background: var(--surface-3); outline: none; }
.range-sl::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), #059669);
  box-shadow: 0 2px 8px rgba(16,185,129,0.4); cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.range-sl::-webkit-slider-thumb:hover { transform: scale(1.15); box-shadow: 0 4px 16px rgba(16,185,129,0.5); }
.range-sl::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%; border: none;
  background: linear-gradient(135deg, var(--green), #059669); cursor: pointer;
}
.range-risk::-webkit-slider-thumb { background: linear-gradient(135deg, var(--yellow), var(--orange)); box-shadow: 0 2px 8px rgba(234,179,8,0.4); }
.range-risk::-moz-range-thumb { background: linear-gradient(135deg, var(--yellow), var(--orange)); }

/* ═══════ LEVEL CARDS ═════════════════════════════════════ */
.level-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
@media (max-width: 900px) { .level-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .level-grid { grid-template-columns: 1fr 1fr; }
  .lcard-nuke { grid-column: 1 / -1; }
}

.lcard {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 16px; text-align: center;
  transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.lcard::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  transition: opacity .3s; pointer-events: none;
}
.lcard:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.lcard.active { border-color: var(--green); }
.lcard.active::before { opacity: 1; }
.lcard[data-c="blue"].active  { border-color: var(--blue); }
.lcard[data-c="blue"]::before  { background: radial-gradient(ellipse at center, rgba(59,130,246,0.08), transparent 70%); }
.lcard[data-c="yellow"].active { border-color: var(--yellow); }
.lcard[data-c="yellow"]::before { background: radial-gradient(ellipse at center, rgba(234,179,8,0.08), transparent 70%); }
.lcard[data-c="orange"].active { border-color: var(--orange); }
.lcard[data-c="orange"]::before { background: radial-gradient(ellipse at center, rgba(249,115,22,0.08), transparent 70%); }
.lcard[data-c="red"].active    { border-color: var(--red); }
.lcard[data-c="red"]::before   { background: radial-gradient(ellipse at center, rgba(239,68,68,0.08), transparent 70%); }
.lcard[data-c="nuke"].active   { border-color: var(--nuke); box-shadow: 0 0 40px var(--nuke-glow); }
.lcard[data-c="nuke"]::before  { background: radial-gradient(ellipse at center, rgba(217,70,239,0.1), transparent 70%); }

.lnum { font-family: var(--mono); font-size: 1.8rem; font-weight: 700; color: var(--text-dim); margin-bottom: 8px; transition: color .3s; }
.lcard.active .lnum { color: var(--text); }
.lcard h4 { font-size: 0.8rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.lcard p { font-size: 0.7rem; color: var(--text-dim); line-height: 1.5; margin-bottom: 12px; }
.ltag {
  display: inline-block; font-size: 0.55rem; font-weight: 800; letter-spacing: 0.12em;
  padding: 3px 10px; border-radius: 999px;
}
.ltag-blue   { background: rgba(59,130,246,0.12); color: var(--blue); }
.ltag-yellow { background: rgba(234,179,8,0.12); color: var(--yellow); }
.ltag-orange { background: rgba(249,115,22,0.12); color: var(--orange); }
.ltag-red    { background: rgba(239,68,68,0.12); color: var(--red); }
.ltag-nuke   { background: rgba(217,70,239,0.12); color: var(--nuke); }

.nuke-glow { animation: nPulse 2s ease-in-out infinite; }
@keyframes nPulse {
  0%,100% { color: var(--nuke); text-shadow: 0 0 8px var(--nuke-glow); }
  50%     { color: #f0abfc; text-shadow: 0 0 20px rgba(217,70,239,0.5); }
}

/* ═══════ RESULTS ═════════════════════════════════════════ */
.results-hidden { display: none; }

/* Summary */
.summary-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 48px 32px;
  text-align: center; margin-bottom: 24px;
  position: relative; overflow: hidden;
}
.summary-card::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}
.sum-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; color: var(--text-dim); text-transform: uppercase; }
.sum-age {
  font-size: clamp(4rem, 12vw, 7rem); font-weight: 900; line-height: 1;
  margin: 8px 0 4px;
  background: linear-gradient(135deg, var(--green), #6ee7b7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.sum-level { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); margin-bottom: 32px; }
.sum-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; border-top: 1px solid var(--border); padding-top: 24px; }
.sum-stat { text-align: center; }
.ss-val { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; color: var(--green); }
.ss-lbl { font-size: 0.6rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); margin-top: 4px; }

/* Charts */
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 768px) { .chart-row { grid-template-columns: 1fr; } }
.chart-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.chart-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px 0;
}
.chart-head h4 { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); }
.chart-badge {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 700;
  padding: 3px 8px; border-radius: var(--radius-xs);
  background: var(--green-glow); color: var(--green);
}
.chart-body { padding: 8px 12px 12px; height: 260px; }

/* Risk meter */
.meter-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 16px;
}
.meter-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.meter-head h4 { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); }
.meter-tag { font-size: 0.7rem; font-weight: 700; }
.meter-bar { height: 8px; background: var(--surface-3); border-radius: 4px; overflow: hidden; }
.meter-fill {
  height: 100%; border-radius: 4px; width: 20%;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transition: width .8s var(--ease), background .5s;
}
.meter-fill.medium  { width: 40%; background: linear-gradient(90deg, var(--green), var(--yellow)); }
.meter-fill.high    { width: 60%; background: linear-gradient(90deg, var(--yellow), var(--orange)); }
.meter-fill.extreme { width: 80%; background: linear-gradient(90deg, var(--orange), var(--red)); }
.meter-fill.nuclear { width: 100%; background: linear-gradient(90deg, var(--red), var(--nuke), #f0abfc); animation: nukeBar 1.5s infinite; }
@keyframes nukeBar { 0%,100% { opacity:1; } 50% { opacity:.7; } }
.meter-labels { display: flex; justify-content: space-between; font-size: 0.6rem; color: var(--text-dim); margin-top: 6px; }

/* Plan */
.plan-wrap { margin-bottom: 16px; }
.plan-head { margin-bottom: 24px; }
.plan-head h4 { font-size: 1.2rem; font-weight: 900; letter-spacing: 0.04em; }
.plan-head p { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }
.plan-phase {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 12px;
  transition: border-color .3s;
}
.plan-phase:hover { border-color: var(--border-hover); }
.plan-phase h5 {
  font-size: 0.85rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.04em; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--green), #6ee7b7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.plan-phase.phase-fire h5 {
  background: linear-gradient(135deg, var(--orange), var(--yellow));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.plan-phase.phase-nuke h5 {
  background: linear-gradient(135deg, var(--nuke), #f0abfc);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.plan-phase ul { list-style: none; }
.plan-phase li {
  position: relative; padding: 5px 0 5px 20px;
  font-size: 0.82rem; color: var(--text-muted); line-height: 1.65;
}
.plan-phase li::before {
  content: '→'; position: absolute; left: 0; color: var(--green); font-weight: 700; font-size: 0.8rem;
}
.plan-phase.phase-fire li::before { color: var(--orange); }
.plan-phase.phase-nuke li::before { color: var(--nuke); }

/* Share bar */
.share-bar {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 32px 0; border-top: 1px solid var(--border);
}
.share-bar p { font-size: 0.8rem; color: var(--text-dim); }
.toast { font-size: 0.75rem; color: var(--green); font-weight: 600; opacity: 0; transition: opacity .3s; }
.toast.show { opacity: 1; }

/* ═══════ FOOTER ══════════════════════════════════════════ */
.site-footer {
  text-align: center; padding: 48px 24px;
  border-top: 1px solid var(--border); color: var(--text-dim); font-size: 0.8rem;
}
.foot-sm { font-size: 0.65rem; color: var(--text-dim); margin-top: 6px; opacity: 0.5; }

/* ═══════ CONFETTI ════════════════════════════════════════ */
.confetti-layer { position: fixed; inset: 0; pointer-events: none; z-index: 100; }

/* ═══════ ANIMATIONS ══════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════ MOBILE ══════════════════════════════════════════ */
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero-metrics { gap: 16px; flex-wrap: wrap; }
  .hm-val { font-size: 1.2rem; }
  .sum-stats { grid-template-columns: 1fr; gap: 12px; }
  .share-bar { flex-direction: column; gap: 8px; }
  .preset-row { gap: 6px; }
  .preset-btn { font-size: 0.7rem; padding: 6px 12px; }
}