/* ========================================
   MISSED CALL CALCULATOR — Vanguard Digital
   Atelier Dispatch variant · oxblood loss · amber gain · glowing sliders
   ======================================== */

:root {
  --calc-loss: var(--color-loss);
  --calc-loss-glow: var(--color-loss-glow);
  --calc-loss-subtle: color-mix(in srgb, var(--color-loss) 10%, transparent);
  --calc-gain: var(--color-accent);
  --calc-gain-glow: var(--color-accent-glow);
  --calc-track: rgba(245, 239, 227, 0.06);
}

/* ========================================
   HERO
   ======================================== */
.calc-hero {
  padding: calc(var(--space-section) + var(--space-20)) 0 var(--space-12);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.calc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 780px 420px at 82% -10%, var(--color-accent-glow), transparent 60%),
    radial-gradient(ellipse 520px 320px at 6% 110%, var(--calc-loss-glow), transparent 65%);
  opacity: 0.85;
  pointer-events: none;
  z-index: -1;
}

.calc-hero::after {
  content: '';
  position: absolute;
  inset: -10%;
  background-image: radial-gradient(circle at 1px 1px, rgba(245,239,227,0.04) 1px, transparent 0);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 92%);
          mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 92%);
  pointer-events: none;
  z-index: -1;
}

.calc-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.calc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-strong);
  padding: 0.5rem 0.95rem 0.5rem 0.7rem;
  background: var(--color-accent-whisper);
  border: 1px solid color-mix(in srgb, var(--color-accent) 22%, transparent);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-6);
}

.calc-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent);
}

.calc-hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 0.96;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-6);
  font-variation-settings: "opsz" 144, "SOFT" 40, "wght" 320;
}

.calc-hero h1 em {
  font-style: italic;
  color: var(--calc-loss);
  font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 340;
}

.calc-hero-sub {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 620px;
  line-height: 1.55;
  margin-top: var(--space-4);
}

/* ========================================
   CALCULATOR SHELL
   ======================================== */
.calc-section {
  padding: var(--space-8) 0 var(--space-section);
  position: relative;
}

.calc-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 960px) {
  .calc-shell {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-10);
  }
}

/* ========================================
   INPUT PANEL
   ======================================== */
.calc-inputs {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-md);
}

.calc-inputs::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 500px 300px at 100% 0%, var(--color-accent-subtle), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.calc-inputs-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-hairline);
  position: relative;
}

.calc-inputs-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  line-height: 1;
  font-variation-settings: "opsz" 72, "SOFT" 40, "wght" 400;
  letter-spacing: -0.02em;
}

.calc-inputs-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ========================================
   INDUSTRY PRESETS
   ======================================== */
.calc-presets {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-hairline);
  position: relative;
}

.calc-presets-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.calc-preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.calc-chip {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-variation-settings: var(--geist-mid);
  color: var(--color-text-strong);
  background: transparent;
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--radius-pill);
  padding: 0.55rem 1rem;
  cursor: pointer;
  transition: var(--transition-soft);
  line-height: 1;
}

.calc-chip:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-whisper);
  color: var(--color-accent-soft);
  transform: translateY(-1px);
}

.calc-chip.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-invert);
  box-shadow: 0 0 0 4px var(--color-accent-whisper), 0 10px 24px -8px var(--color-accent-glow);
}

/* ========================================
   ASSUMPTION ROW
   ======================================== */
.calc-assumption {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  background: color-mix(in srgb, var(--color-surface-raised) 70%, transparent);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.calc-assumption-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-variation-settings: var(--geist-mid);
  color: var(--color-text-strong);
  cursor: pointer;
}

.calc-assumption-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 400;
  text-transform: none;
}

.calc-assumption-input-wrap {
  display: flex;
  align-items: baseline;
  gap: 2px;
  background: transparent;
}

.calc-assumption-input-wrap:focus-within .calc-assumption-input {
  color: var(--color-accent);
}

.calc-assumption-input {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "opsz" 72, "SOFT" 80, "wght" 400;
  font-size: var(--fs-md);
  color: var(--color-accent-soft);
  background: transparent;
  border: none;
  outline: none;
  width: 3ch;
  padding: 0;
  text-align: right;
  font-feature-settings: 'tnum' 1;
  caret-color: var(--color-accent);
  letter-spacing: -0.015em;
}

.calc-assumption-input::-webkit-outer-spin-button,
.calc-assumption-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.calc-assumption-input[type=number] { -moz-appearance: textfield; }

.calc-assumption-suffix {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-md);
  color: var(--color-text-muted);
}

.calc-field {
  margin-bottom: var(--space-8);
  position: relative;
}

.calc-field:last-of-type { margin-bottom: 0; }

.calc-field-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.calc-field-name {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-variation-settings: var(--geist-mid);
  color: var(--color-text-strong);
}

.calc-field-value {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-xl);
  color: var(--color-accent-soft);
  line-height: 1;
  font-feature-settings: 'tnum' 1;
  min-width: 0;
  text-align: right;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 72, "SOFT" 80, "wght" 400;
}

.calc-field-input {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "opsz" 72, "SOFT" 80, "wght" 400;
  font-size: var(--fs-xl);
  color: var(--color-accent-soft);
  background: transparent;
  border: none;
  outline: none;
  text-align: right;
  width: 7ch;
  padding: 0;
  line-height: 1;
  font-feature-settings: 'tnum' 1;
  caret-color: var(--color-accent);
  letter-spacing: -0.02em;
}

.calc-field-input::-webkit-outer-spin-button,
.calc-field-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.calc-field-input[type=number] { -moz-appearance: textfield; }

.calc-field-input:focus {
  background: var(--color-accent-whisper);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-2);
}

.calc-prefix {
  color: var(--color-text-muted);
  font-style: italic;
  margin-right: 2px;
  font-family: var(--font-display);
}

.calc-field-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  margin-top: var(--space-3);
}

/* ========================================
   SLIDER
   ======================================== */
.calc-slider-wrap {
  position: relative;
  padding: var(--space-2) 0;
}

.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: transparent;
  cursor: grab;
  outline: none;
  position: relative;
  z-index: 2;
}

.calc-slider:active { cursor: grabbing; }

.calc-slider-track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 6px;
  transform: translateY(-50%);
  background: var(--calc-track);
  border-radius: var(--radius-pill);
  overflow: hidden;
  z-index: 1;
}

.calc-slider-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-deep) 0%, var(--color-accent) 50%, var(--color-accent-soft) 100%);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 20px var(--color-accent-glow);
  transition: width 0.12s ease-out;
}

/* Webkit thumb */
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-text);
  border: 3px solid var(--color-accent);
  box-shadow:
    0 0 0 4px var(--color-accent-whisper),
    0 0 24px var(--color-accent-glow);
  cursor: grab;
  transition: transform 0.18s var(--ease-editorial);
}

.calc-slider:hover::-webkit-slider-thumb { transform: scale(1.12); }
.calc-slider:active::-webkit-slider-thumb {
  cursor: grabbing;
  transform: scale(1.2);
}

/* Firefox thumb */
.calc-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-text);
  border: 3px solid var(--color-accent);
  box-shadow:
    0 0 0 4px var(--color-accent-whisper),
    0 0 24px var(--color-accent-glow);
  cursor: grab;
  transition: transform 0.18s var(--ease-editorial);
}

.calc-slider::-moz-range-track {
  background: transparent;
  height: 6px;
}

.calc-slider-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  opacity: 0.55;
}

/* ========================================
   OUTPUT PANEL
   ======================================== */
.calc-output {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.calc-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

.calc-metric {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  overflow: hidden;
  transition: var(--transition-soft);
}

.calc-metric::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--calc-loss);
  opacity: 0.65;
}

.calc-metric-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  display: block;
}

.calc-metric-value {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80, "wght" 380;
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  line-height: 1;
  color: var(--color-text-strong);
  font-feature-settings: 'tnum' 1;
  letter-spacing: -0.03em;
}

.calc-metric-unit {
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.5em;
  margin-left: 0.3em;
}

/* ========================================
   MONTHLY SUMMARY
   ======================================== */
.calc-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  position: relative;
}

@media (min-width: 720px) {
  .calc-summary { grid-template-columns: 1fr 1fr; }
}

.calc-hero-stat {
  position: relative;
  padding: var(--space-10) var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-height: 220px;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.calc-hero-stat::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
}

.calc-hero-stat.loss {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--calc-loss) 28%, transparent);
}

.calc-hero-stat.loss::before {
  background:
    radial-gradient(ellipse 400px 300px at 100% 0%, var(--calc-loss-subtle), transparent 70%),
    radial-gradient(ellipse 300px 200px at 0% 100%, var(--calc-loss-subtle), transparent 70%);
}

.calc-hero-stat.gain {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--calc-gain) 28%, transparent);
}

.calc-hero-stat.gain::before {
  background:
    radial-gradient(ellipse 400px 300px at 0% 0%, var(--calc-gain-glow), transparent 70%),
    radial-gradient(ellipse 300px 200px at 100% 100%, var(--calc-gain-glow), transparent 70%);
}

.calc-hero-stat-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.loss .calc-hero-stat-tag { color: var(--calc-loss); }
.gain .calc-hero-stat-tag { color: var(--calc-gain); }

.calc-hero-stat-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
  animation: calc-pulse 2.4s ease-in-out infinite;
}

@keyframes calc-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.calc-hero-stat-heading {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.calc-hero-stat-number {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 380;
  font-size: clamp(2.5rem, 1.4rem + 3.2vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-feature-settings: 'tnum' 1;
  margin-bottom: var(--space-3);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.loss .calc-hero-stat-number {
  color: var(--calc-loss);
  text-shadow: 0 0 60px var(--calc-loss-glow);
}

.gain .calc-hero-stat-number {
  color: var(--calc-gain);
  text-shadow: 0 0 60px var(--calc-gain-glow);
}

.calc-hero-stat-foot {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* Arrow divider on desktop */
.calc-summary-arrow {
  display: none;
}

@media (min-width: 720px) {
  .calc-summary-arrow {
    display: grid;
    place-items: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-page);
    border: 1px solid var(--color-hairline-strong);
    color: var(--color-accent);
    z-index: 2;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.6rem;
    line-height: 1;
    box-shadow: 0 0 0 4px var(--color-surface), 0 0 24px var(--color-accent-glow);
  }
}

/* ========================================
   DISCLAIMER + CTA
   ======================================== */
.calc-footnote {
  margin-top: var(--space-10);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px dashed var(--color-hairline-strong);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.calc-footnote strong {
  color: var(--color-text-strong);
  font-variation-settings: var(--geist-mid);
}

.calc-cta-block {
  margin-top: var(--space-12);
  text-align: center;
  padding: var(--space-14) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.calc-cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 700px 350px at 50% 0%, var(--color-accent-subtle), transparent 70%),
    radial-gradient(ellipse 600px 300px at 50% 100%, color-mix(in srgb, var(--raw-ember-600) 12%, transparent), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.calc-cta-block h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-variation-settings: "opsz" 144, "SOFT" 50, "wght" 340;
}

.calc-cta-block h2 em {
  font-style: italic;
  color: var(--color-accent);
  font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 360;
}

.calc-cta-block p {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.55;
}

.calc-cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 720px) {
  .calc-inputs { padding: var(--space-6); }
  .calc-hero-stat { padding: var(--space-8) var(--space-6); min-height: 180px; }
  .calc-breakdown { grid-template-columns: 1fr; }
  .calc-cta-block { padding: var(--space-10) var(--space-6); }
}