/* =============================================================================
   IMADO ROI Calculator — Styles
   File: styles.css
   Tech: Pure CSS (custom properties, mobile-first, no framework)
   ============================================================================= */

/* =============================================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   TODO: Replace values below with the official IMADO brand tokens once
         the design system / Figma file is available.
   ============================================================================= */
:root {
  /* --- Colors — IMADO brand palette --- */
  --color-bg:          rgb(9,16,78);    /* page background — IMADO navy */
  --color-bg-alt:      rgb(10,18,82);  /* subtle alt background for sections */
  --color-surface:     rgb(3,7,44);    /* card / panel surface */
  --color-surface-2:   rgb(6,11,52);   /* elevated card / input background */
  --color-border:      rgba(255,255,255,0.08);
  --color-border-hover:rgba(255,255,255,0.18);

  --color-text:        #e8edf8;        /* primary text */
  --color-text-inverse:#080c1f;        /* text on light backgrounds */
  --color-muted:       #8892b0;        /* secondary/muted text */
  --color-muted-2:     #4a5470;        /* even more muted */

  /* IMADO primary: bright blue CTA button */
  --color-primary:     #3b5bdb;        /* main CTA button blue */
  --color-primary-hover:#2f4cc4;
  --color-primary-glow:rgba(59,91,219,0.30);
  /* IMADO accent: coral/orange highlight on partial headings */
  --color-accent:      #e8603c;        /* coral-orange accent */
  --color-accent-glow: rgba(232,96,60,0.20);

  --color-success:     #22c55e;
  --color-success-bg:  rgba(34,197,94,0.12);
  --color-error:       #f87171;
  --color-error-bg:    rgba(248,113,113,0.10);
  --color-warning:     #fbbf24;

  --color-inhouse:     #e8603c;        /* coral — in-house cost bar */
  --color-outsource:   #3b5bdb;        /* blue — outsource cost bar */
  --color-savings:     #22c55e;        /* green — savings highlight */

  /* --- Radius --- */
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow:    0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --shadow-primary: 0 4px 24px rgba(79,110,247,0.35);

  /* --- Typography — IMADO brand fonts --- */
  --font-family:         'Albert Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-heading: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs:   0.75rem;   /* 12px */
  --font-size-sm:   0.875rem;  /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg:   1.125rem;  /* 18px */
  --font-size-xl:   1.25rem;   /* 20px */
  --font-size-2xl:  1.5rem;    /* 24px */
  --font-size-3xl:  1.875rem;  /* 30px */
  --font-size-4xl:  2.25rem;   /* 36px */
  --font-size-5xl:  3rem;      /* 48px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semi:   600;
  --font-weight-bold:   700;
  --font-weight-black:  800;

  --line-height-tight:  1.2;
  --line-height-snug:   1.4;
  --line-height-normal: 1.6;
  --line-height-loose:  1.75;

  /* --- Spacing --- */
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

  /* --- Layout --- */
  --container-max: 1200px;
  --container-pad: var(--space-6);

  /* --- Transitions --- */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;
}

/* =============================================================================
   2. RESET & BASE
   ============================================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

img, video, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

fieldset {
  border: none;
}

/* Focus visible — accessible keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Remove focus for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Visually hidden utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* =============================================================================
   3. LAYOUT UTILITIES
   ============================================================================= */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.link:hover {
  color: var(--color-accent);
}

/* =============================================================================
   4. BUTTONS
   ============================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: center;
  padding: 0.625rem var(--space-5);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  line-height: 1;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(79,110,247,0.45);
}
.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary-glow);
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-border-hover);
}

.btn--sm {
  padding: 0.5rem var(--space-4);
  font-size: var(--font-size-sm);
}
.btn--lg {
  padding: 0.875rem var(--space-8);
  font-size: var(--font-size-lg);
}
.btn--full {
  width: 100%;
}

/* Spinner inside button */
.spinner {
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =============================================================================
   5. NAVIGATION
   ============================================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9,16,78,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo-img {
  display: block;
  height: 32px;
  width: auto;
}

.nav__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-black);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================================================
   6. HERO SECTION
   ============================================================================= */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--space-24);
}

/* Subtle grid pattern */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* Gradient glows */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.hero__glow--1 {
  width: 600px;
  height: 600px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  animation: glow-pulse 6s ease-in-out infinite;
}
.hero__glow--2 {
  width: 400px;
  height: 400px;
  bottom: -50px;
  left: -80px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  animation: glow-pulse 8s ease-in-out infinite reverse;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.08); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-8);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(79,110,247,0.12);
  border: 1px solid rgba(79,110,247,0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  animation: fade-in-up 0.6s ease both;
}
.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: dot-blink 2s ease-in-out infinite;
}
@keyframes dot-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero__headline {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  letter-spacing: -0.03em;
  color: var(--color-text);
  max-width: 780px;
  animation: fade-in-up 0.6s 0.1s ease both;
}
.hero__headline-accent {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
  color: var(--color-muted);
  max-width: 620px;
  animation: fade-in-up 0.6s 0.2s ease both;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fade-in-up 0.6s 0.3s ease both;
}

.hero__social-proof {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  animation: fade-in-up 0.6s 0.4s ease both;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero__stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.hero__stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* =============================================================================
   7. SECTION HEADERS (shared)
   ============================================================================= */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-title {
  font-size: clamp(var(--font-size-2xl), 3.5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}
.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-muted);
  max-width: 520px;
  margin-inline: auto;
}

/* =============================================================================
   8. CALCULATOR SECTION
   ============================================================================= */
.calculator-section {
  padding-block: var(--space-24);
  background: var(--color-bg-alt);
  position: relative;
}
.calculator-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(79,110,247,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.calculator {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}

@media (min-width: 960px) {
  .calculator {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: var(--space-8);
  }
}

/* =============================================================================
   9. FORM / INPUT FIELDS
   ============================================================================= */
.field-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
  transition: border-color var(--transition-normal);
}
.field-group:hover {
  border-color: var(--color-border-hover);
}
.field-group:last-child {
  margin-bottom: 0;
}

/* ---- Time commitment switcher (Full / ½ / ¼) ---- */
.time-commitment-switch {
  display: flex;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 3px;
  height: 2.75rem;
}
.time-commitment-switch__btn {
  flex: 1;
  border-radius: calc(var(--radius) - 2px);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
}
.time-commitment-switch__btn:hover:not(.is-active) {
  color: var(--color-text);
  background: rgba(255,255,255,0.04);
}
.time-commitment-switch__btn.is-active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(59,91,219,0.35);
}

/* ---- Cost mode switcher ---- */
.cost-mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-1);
  margin-bottom: var(--space-6);
}
.cost-mode-switch__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
  line-height: 1.3;
}
.cost-mode-switch__btn:hover:not(.is-active) {
  color: var(--color-text);
  background: rgba(255,255,255,0.04);
}
.cost-mode-switch__btn.is-active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(59,91,219,0.35);
}
.cost-mode-switch__hint {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  opacity: 0.75;
}

.field-group__legend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-5);
  display: block;
}

.field-group__desc {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  margin-top: calc(-1 * var(--space-3));
  margin-bottom: var(--space-5);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.field-row:last-child {
  margin-bottom: 0;
}
@media (min-width: 480px) {
  .field-row--2col {
    grid-template-columns: 1fr 1fr;
  }
}

/* Half-width field — used for currency selector */
.field--half {
  max-width: calc(50% - var(--space-2));
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}
.field:last-child {
  margin-bottom: 0;
}
.field--checkbox {
  margin-bottom: 0;
}

.field__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.field__hint {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  line-height: 1.4;
}

.field__error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  min-height: 1rem;
  display: block;
}

/* Wrapper acts as the visible input box so prefix width is always respected */
.field__input-wrap {
  display: flex;
  align-items: center;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field__input-wrap:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.field__prefix {
  padding: 0 var(--space-1) 0 var(--space-3);
  color: var(--color-muted);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  flex-shrink: 0;
  pointer-events: none;
  user-select: none;
}

/* Base input / select styles */
.field__input,
.field__select {
  width: 100%;
  padding: 0.625rem var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.field__input--prefixed {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  padding-left: var(--space-1);
}
.field__input--prefixed:focus {
  border: none;
  box-shadow: none;
  outline: none;
}

.field__input:focus,
.field__select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  outline: none;
}

.field__input:invalid:not(:placeholder-shown),
.field__input.is-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-bg);
}

/* Number field — remove spinners for clean look */
.field__input[type="number"]::-webkit-inner-spin-button,
.field__input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.field__input[type="number"] {
  -moz-appearance: textfield;
}

/* --- Stepper widget (−/+ buttons around a number input) --- */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  overflow: hidden;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.stepper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.stepper__btn {
  flex: 0 0 2.5rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--color-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s, background 0.15s;
}
.stepper__btn:hover {
  color: var(--color-text);
  background: rgba(255,255,255,0.06);
}
.stepper__btn:active {
  background: rgba(255,255,255,0.10);
}
.stepper__btn--dec {
  border-right: 1px solid var(--color-border);
}
.stepper__btn--inc {
  border-left: 1px solid var(--color-border);
}
.stepper .stepper__input {
  flex: 1;
  width: 0;          /* flex handles sizing */
  min-width: 0;
  height: 2.75rem;
  border: none;
  border-radius: 0;
  background: transparent;
  text-align: center;
  padding: 0 var(--space-2);
  box-shadow: none;
}
.stepper .stepper__input:focus {
  border: none;
  box-shadow: none;
  outline: none;
}

/* Custom select arrow */
.field__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%237a8099' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
  cursor: pointer;
}

/* =============================================================================
   10. TOGGLE BLOCKS (checkbox + conditional fields)
   ============================================================================= */
.toggle-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}
.toggle-block:last-child {
  margin-bottom: 0;
}
.toggle-block:has(.toggle__input:checked) {
  border-color: rgba(79,110,247,0.35);
  background: rgba(79,110,247,0.04);
}

.toggle-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.toggle__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle__track {
  position: relative;
  flex-shrink: 0;
  width: 38px;
  height: 22px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}
.toggle__track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  background: var(--color-muted);
  border-radius: 50%;
  transition: transform var(--transition-normal), background var(--transition-normal);
}
.toggle__input:checked + .toggle__track {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.toggle__input:checked + .toggle__track::after {
  transform: translateX(16px);
  background: #fff;
}
.toggle__input:focus-visible + .toggle__track {
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.toggle__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  user-select: none;
}

.toggle-block__badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  color: var(--color-error);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.toggle-block__badge.is-visible {
  opacity: 1;
}

/* Collapsible toggle fields */
.toggle-block__fields {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease, opacity 0.25s ease;
  opacity: 0;
  padding: 0 var(--space-4);
}
.toggle-block__fields.is-open {
  max-height: 500px;
  opacity: 1;
  padding: 0 var(--space-4) var(--space-4);
}

/* =============================================================================
   11. RESULTS PANEL
   ============================================================================= */
.calculator__results {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Savings hero */
.results-hero {
  background: linear-gradient(135deg, rgba(34,197,94,0.15) 0%, rgba(79,110,247,0.10) 100%);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.results-hero::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(34,197,94,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.results-hero__label {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}
.results-hero__amount {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: var(--font-weight-black);
  color: var(--color-savings);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
  transition: all var(--transition-normal);
}
.results-hero__sub {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-muted);
}
.results-hero__free-dev {
  display: inline-block;
  margin-top: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-savings);
}

/* ---- Inline lead form (sits between Total Savings and ROI cards) ---- */
.inline-lead {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}
.inline-lead__heading {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.inline-lead__row {
  display: flex;
  gap: var(--space-2);
}
.inline-lead__email {
  flex: 1;
  min-width: 0;
}
.inline-lead__btn {
  flex-shrink: 0;
  white-space: nowrap;
}
.inline-lead__alt {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
}
.inline-lead__consent {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
}
@media (max-width: 479px) {
  .inline-lead__row {
    flex-direction: column;
  }
}

/* ROI cards */
.results-roi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.results-roi__card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
}
.results-roi__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,193,7,0.15);
  border-radius: var(--radius-sm);
  color: var(--color-warning);
}
.results-roi__icon--time {
  background: rgba(79,110,247,0.15);
  color: var(--color-primary);
}
.results-roi__value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  transition: all var(--transition-normal);
}
.results-roi__label {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin-top: 2px;
}

/* Comparison bars */
.results-comparison {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.results-comparison__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.results-comparison__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}
.results-comparison__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.results-comparison__dot--inhouse   { background: var(--color-inhouse); }
.results-comparison__dot--outsource { background: var(--color-outsource); }

.results-comparison__amount {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-text);
  transition: all var(--transition-normal);
}
.results-comparison__amount--accent {
  color: var(--color-primary);
}

.results-comparison__bar-wrap {
  height: 8px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.results-comparison__bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}
.results-comparison__bar--inhouse   { background: var(--color-inhouse); }
.results-comparison__bar--outsource { background: var(--color-outsource); }

/* Cost breakdown */
.results-breakdown {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.results-breakdown__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.results-breakdown__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.breakdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
}
.breakdown-item__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-muted);
}
.breakdown-item__icon {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.breakdown-item__icon--inhouse   { background: var(--color-inhouse); }
.breakdown-item__icon--outsource { background: var(--color-outsource); }
.breakdown-item__icon--savings   { background: var(--color-savings); }

.breakdown-item__value {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  text-align: right;
  white-space: nowrap;
}
.breakdown-item__value--savings { color: var(--color-savings); }
.breakdown-item__value--muted   { color: var(--color-muted); }

.breakdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

.results-caveat {
  font-size: var(--font-size-xs);
  color: var(--color-muted-2);
  line-height: var(--line-height-normal);
  text-align: center;
  padding: 0 var(--space-4);
}

/* =============================================================================
   12. HOW IT WORKS / PILLARS
   ============================================================================= */
.how-it-works {
  padding-block: var(--space-24);
  background: var(--color-bg);
}

.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .pillars {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 960px) {
  .pillars {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pillar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}
.pillar:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.pillar__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79,110,247,0.12);
  border-radius: var(--radius);
  color: var(--color-primary);
}
.pillar__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-text);
  line-height: var(--line-height-snug);
}
.pillar__desc {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  line-height: var(--line-height-normal);
}

/* =============================================================================
   13. LEAD CAPTURE
   ============================================================================= */
.lead-capture {
  padding-block: var(--space-24);
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}
.lead-capture__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(79,110,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.lead-capture__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  position: relative;
  z-index: 1;
}
@media (min-width: 800px) {
  .lead-capture__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.lead-capture__title {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}
.lead-capture__desc {
  font-size: var(--font-size-base);
  color: var(--color-muted);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-6);
}

.lead-capture__perks {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.lead-capture__perks li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}
.lead-capture__perks li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 18 18' fill='none'%3E%3Ccircle cx='9' cy='9' r='8' fill='%2322c55e' fill-opacity='.15'/%3E%3Cpath d='M5.5 9l2.5 2.5 5-5' stroke='%2322c55e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

/* Lead form */
.lead-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.checkbox-label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  cursor: pointer;
}
.checkbox-label__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.checkbox-label__box {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  margin-top: 2px;
}
.checkbox-label__box::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) scale(0);
  transition: transform var(--transition-fast);
}
.checkbox-label__input:checked + .checkbox-label__box {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.checkbox-label__input:checked + .checkbox-label__box::after {
  transform: rotate(45deg) scale(1);
}
.checkbox-label__input:focus-visible + .checkbox-label__box {
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.checkbox-label__text {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  line-height: var(--line-height-normal);
}

.lead-form__success {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-success-bg);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius);
  color: var(--color-success);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}
.lead-form__error-msg {
  padding: var(--space-3) var(--space-4);
  background: var(--color-error-bg);
  border: 1px solid rgba(248,113,113,0.3);
  border-radius: var(--radius);
  color: var(--color-error);
  font-size: var(--font-size-sm);
}

/* =============================================================================
   14. FOOTER
   ============================================================================= */
.footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-block: var(--space-10);
  align-items: flex-start;
}
@media (min-width: 640px) {
  .footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.footer__logo {
  display: inline-flex;
  margin-bottom: var(--space-2);
}
.footer__logo-img {
  display: block;
  height: 28px;
  width: auto;
}

/* Footer CTA buttons side by side with gap */
.footer__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}
.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  transition: color var(--transition-fast);
}
.footer__link:hover {
  color: var(--color-text);
}
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4);
}
.footer__copy {
  font-size: var(--font-size-xs);
  color: var(--color-muted-2);
  text-align: center;
}

/* =============================================================================
   15. ANIMATIONS
   ============================================================================= */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Intersection observer reveal classes */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* Number change flash */
.flash-update {
  animation: flash 0.3s ease;
}
@keyframes flash {
  0%   { color: var(--color-savings); }
  100% { color: inherit; }
}

/* =============================================================================
   16. NEGATIVE SAVINGS STATE
   ============================================================================= */
.results-hero.is-negative .results-hero__amount {
  color: var(--color-error);
}
.results-hero.is-negative {
  background: linear-gradient(135deg, rgba(248,113,113,0.10) 0%, rgba(79,110,247,0.06) 100%);
  border-color: rgba(248,113,113,0.25);
}

/* =============================================================================
   17. RESPONSIVE OVERRIDES
   ============================================================================= */
@media (max-width: 639px) {
  :root {
    --container-pad: var(--space-4);
  }
  .hero {
    min-height: auto;
    padding-block: var(--space-16);
  }
  .hero__headline {
    font-size: var(--font-size-3xl);
  }
  .hero__ctas {
    flex-direction: column;
  }
  .hero__ctas .btn {
    width: 100%;
  }
  .hero__social-proof {
    gap: var(--space-4);
  }
  .results-roi {
    grid-template-columns: 1fr;
  }
  .calculator__results {
    position: static;
  }
  .lead-form {
    padding: var(--space-6);
  }
  .footer__inner {
    align-items: flex-start;
  }
}

@media (max-width: 479px) {
  .field-row--2col {
    grid-template-columns: 1fr;
  }
}

/* =============================================================================
   18. PRINT
   ============================================================================= */
@media print {
  .nav,
  .hero__glow,
  .hero__bg-grid,
  .lead-capture,
  .footer {
    display: none;
  }
  body {
    background: white;
    color: black;
  }
}

/* =============================================================================
   19. REDUCED MOTION
   ============================================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ── Scenario switcher ── */
.scenario-switch-wrap {
  margin-bottom: 0.75rem;
}

.scenario-switch__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.scenario-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.scenario-switch__btn {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.55rem 0.4rem;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  line-height: 1.3;
}

.scenario-switch__btn:hover {
  border-color: var(--color-primary);
}

.scenario-switch__btn.is-active {
  border-color: var(--color-primary);
  background: rgba(59, 91, 219, 0.15);
}

.scenario-switch__name {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
}

.scenario-switch__btn.is-active .scenario-switch__name {
  color: var(--color-primary);
}

.scenario-switch__desc {
  display: block;
  font-size: 0.63rem;
  color: var(--color-muted);
  margin-top: 0.15rem;
}

/* Scenario label in results hero */
.results-hero__scenario {
  font-size: 0.72rem;
  color: var(--color-muted);
  margin-top: 0.3rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Benchmark note ── */
.benchmark-note {
  margin-top: 1rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.benchmark-note__link {
  color: var(--accent);
  text-decoration: none;
}

.benchmark-note__link:hover {
  text-decoration: underline;
}