/* ============================================================
   iTRINITY — Throw Distance Calculator
   ============================================================ */

.calc{
  display:grid;
  grid-template-columns:380px 1fr;
  gap:2rem;
  align-items:start;
}

/* ---------- controls ---------- */
.calc-panel{
  background:var(--card);border:1px solid var(--card-brd);
  border-radius:var(--radius);padding:1.8rem;
}
.calc-panel h3{font-size:1.05rem;margin-bottom:1.3rem;letter-spacing:.02em}

.calc-field{margin-bottom:1.35rem}
.calc-field > label{
  display:block;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.55rem;
}
.calc-field select,
.calc-field input[type=number]{
  width:100%;background:rgba(5,7,15,.6);color:var(--text);
  border:1px solid var(--card-brd);border-radius:10px;
  padding:.75em .9em;font-family:inherit;font-size:.95rem;
}
.calc-field select:focus,
.calc-field input:focus{outline:none;border-color:var(--cyan)}
.calc-field select option{background:#0a0e1c}

/* segmented toggles */
.calc-mode,.calc-unit{display:flex;gap:.4rem}
.calc-mode button,.calc-unit button{
  flex:1;background:rgba(5,7,15,.6);color:var(--muted);
  border:1px solid var(--card-brd);border-radius:999px;
  padding:.6em .5em;font-family:inherit;font-size:.8rem;cursor:pointer;
  transition:.2s;
}
.calc-mode button:hover,.calc-unit button:hover{border-color:var(--cyan);color:var(--cyan)}
.calc-mode button.active,.calc-unit button.active{
  background:var(--grad);border-color:transparent;color:#fff;font-weight:600;
}

/* sliders */
.calc-slider{display:flex;align-items:center;gap:.9rem}
.calc-slider input[type=range]{
  flex:1;-webkit-appearance:none;appearance:none;height:5px;border-radius:99px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));outline:none;
}
.calc-slider input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--cyan);cursor:grab;
  box-shadow:0 0 12px rgba(0,200,255,.7);
}
.calc-slider input[type=range]::-moz-range-thumb{
  width:20px;height:20px;border-radius:50%;background:#fff;
  border:3px solid var(--cyan);cursor:grab;
}
.calc-slider b{
  font-family:'Space Grotesk',sans-serif;font-size:.95rem;
  min-width:74px;text-align:right;color:var(--text);
}

/* ---------- visualisation + results ---------- */
.calc-view{display:flex;flex-direction:column;gap:1.4rem}
.calc-stage{
  background:var(--card);border:1px solid var(--card-brd);
  border-radius:var(--radius);padding:1rem;overflow:hidden;
}
.calc-svg{width:100%;height:auto;display:block;border-radius:12px}

.calc-out{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.calc-out .o{
  background:var(--card);border:1px solid var(--card-brd);
  border-radius:14px;padding:1.1rem 1.2rem;
}
.calc-out .o span{
  display:block;font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.4rem;
}
.calc-out .o b{
  font-family:'Space Grotesk',sans-serif;font-size:1.22rem;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  word-break:break-word;
}

.calc-note{
  font-size:.82rem;color:var(--muted);line-height:1.6;
  background:rgba(0,200,255,.05);border:1px solid rgba(0,200,255,.18);
  border-radius:12px;padding:.9rem 1.1rem;
}
.calc-note i{color:var(--cyan);margin-right:.4rem}

.calc-send{width:100%;margin-top:.4rem}

@media(max-width:991px){
  .calc{grid-template-columns:1fr}
  .calc-out{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .calc-out{grid-template-columns:1fr 1fr}
  .calc-out .o b{font-size:1.05rem}
  .calc-panel{padding:1.3rem}
}

/* ---------- homepage promo band ---------- */
.calc-promo{
  position:relative;overflow:hidden;
  border-radius:calc(var(--radius) + 8px);
  border:1px solid rgba(0,200,255,.28);
  background:linear-gradient(120deg,rgba(0,200,255,.10),rgba(124,92,255,.12) 60%,rgba(255,61,154,.07));
  padding:3.4rem 3rem;
  display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center;
}
.calc-promo h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-bottom:.9rem}
.calc-promo p{color:var(--muted);margin-bottom:1.8rem;max-width:52ch}
.calc-promo-art{
  position:relative;height:190px;
  border-radius:14px;overflow:hidden;
  background:rgba(4,6,13,.55);border:1px solid rgba(255,255,255,.10);
}
.calc-promo-art svg{width:100%;height:100%;display:block}
@media(max-width:860px){
  .calc-promo{grid-template-columns:1fr;padding:2.4rem 1.6rem;gap:1.6rem}
  .calc-promo-art{height:150px;order:-1}
}

/* ---------- v2 additions: grouped panel, segmented rows, badges ---------- */
.calc-group{
  padding-bottom:1.2rem;margin-bottom:1.2rem;
  border-bottom:1px solid var(--card-brd);
}
.calc-group:last-of-type{border-bottom:none;margin-bottom:.6rem}
.calc-group h4{
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:1.1rem;
}
.calc-field small{
  display:block;margin-top:.45rem;font-size:.74rem;color:#6b7488;line-height:1.5;
}
.calc-seg{display:flex;gap:.35rem}
.calc-seg button{
  flex:1;background:rgba(5,7,15,.6);color:var(--muted);
  border:1px solid var(--card-brd);border-radius:999px;
  padding:.55em .4em;font-family:inherit;font-size:.76rem;cursor:pointer;transition:.2s;
}
.calc-seg button:hover{border-color:var(--cyan);color:var(--cyan)}
.calc-seg button.active{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}

.calc-two{display:flex;align-items:center;gap:.6rem}
.calc-two input{flex:1;min-width:0}
.calc-sep{font-size:.8rem;color:var(--muted)}

.calc-out .o{position:relative}
.fl-badge{
  display:inline-block;margin-top:.5rem;font-style:normal;
  font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.28em .7em;border-radius:999px;
}
.fl-badge.good{background:rgba(0,235,150,.16);color:#4dffb8;border:1px solid rgba(0,235,150,.4)}
.fl-badge.warn{background:rgba(255,190,60,.16);color:#ffd27d;border:1px solid rgba(255,190,60,.4)}
.fl-badge.bad {background:rgba(255,61,110,.16);color:#ff97b0;border:1px solid rgba(255,61,110,.4)}

@media(max-width:991px){ .calc{grid-template-columns:1fr} }