/* ============================================================
   Tranquil Valley Solutions — Investor Onboarding Intake
   Palette: pine green on warm cream (calm, grounded, premium)
   Type: Zodiak (display) + Work Sans (body)
   ============================================================ */

:root,
[data-theme='light'] {
  /* Surfaces — warm cream */
  --color-bg: #f5f4ef;
  --color-surface: #fcfbf8;
  --color-surface-2: #ffffff;
  --color-surface-offset: #efece4;
  --color-surface-offset-2: #e7e2d6;
  --color-divider: #e3ded2;
  --color-border: #ddd6c6;
  --color-border-strong: #c9c0ab;

  /* Text */
  --color-text: #1d241d;
  --color-text-muted: #5d6357;
  --color-text-faint: #9a9c8e;
  --color-text-inverse: #f9f8f4;

  /* Primary — Pine Green */
  --color-primary: #2c5d3b;
  --color-primary-hover: #234a2f;
  --color-primary-active: #1b3a25;
  --color-primary-highlight: #d8e4d3;
  --color-primary-soft: #e8efe2;

  /* Accent — Moss Gold (section numbers, small highlights only) */
  --color-gold: #a07b16;
  --color-gold-soft: #efe4c4;

  /* Status */
  --color-success: #2f6b27;
  --color-success-soft: #e2eed9;
  --color-error: #9a2f3a;
  --color-error-soft: #f3dadf;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(40, 50, 35, 0.06);
  --shadow-md: 0 6px 20px rgba(40, 50, 35, 0.08);
  --shadow-lg: 0 18px 44px rgba(40, 50, 35, 0.12);

  --content-narrow: 640px;
  --content-default: 860px;

  /* Type */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.76rem + 0.3vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 2.875rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
}

[data-theme='dark'] {
  --color-bg: #131612;
  --color-surface: #191d17;
  --color-surface-2: #1e231b;
  --color-surface-offset: #1c2019;
  --color-surface-offset-2: #23271e;
  --color-divider: #262b20;
  --color-border: #313829;
  --color-border-strong: #424a36;

  --color-text: #d8d9cf;
  --color-text-muted: #8c907e;
  --color-text-faint: #62655a;
  --color-text-inverse: #1d241d;

  --color-primary: #6fa476;
  --color-primary-hover: #84b98c;
  --color-primary-active: #5d8f64;
  --color-primary-highlight: #2a3a28;
  --color-primary-soft: #232a20;

  --color-gold: #d8b34e;
  --color-gold-soft: #3a3220;

  --color-success: #8cc77e;
  --color-success-soft: #25301f;
  --color-error: #d97a82;
  --color-error-soft: #33222a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.45);
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

ul[role='list'],
ol[role='list'] {
  list-style: none;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  text-wrap: balance;
  line-height: 1.15;
  font-family: var(--font-display);
  font-weight: 500;
}

p {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: rgba(44, 93, 59, 0.22);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

a,
button,
input,
textarea,
select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ---------- Layout ---------- */
.shell {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block: var(--space-16) var(--space-24);
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}

.header__inner {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
}

.brand__mark {
  width: 30px;
  height: 30px;
  flex: none;
  color: var(--color-primary);
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  line-height: 1;
}

.brand__name b {
  font-weight: 500;
}

.header__spacer {
  flex: 1;
}

.header__tag {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ---------- Progress bar ---------- */
.progress {
  position: sticky;
  top: 64px;
  z-index: 49;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}
.progress__inner {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: 40px;
}
.progress__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.progress__track {
  flex: 1;
  height: 6px;
  background: var(--color-surface-offset-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress__fill {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 260ms cubic-bezier(0.16, 1, 0.3, 1);
}
.progress__pct {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
  min-width: 3ch;
  text-align: right;
}

/* ---------- Hero ---------- */
.hero {
  text-align: left;
  padding-block: var(--space-12) var(--space-10);
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.hero__eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--color-primary);
}
.hero__title {
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.hero__title em {
  font-style: italic;
  color: var(--color-primary);
  margin-right: 0.12em;
}
.hero__lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-item__k {
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.meta-item__v {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Form sections ---------- */
.form {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  box-shadow: var(--shadow-sm);
}
.section__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.section__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
}
.section__title {
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}
.section__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5) var(--space-5);
}
.fields--one {
  grid-template-columns: 1fr;
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field--full {
  grid-column: 1 / -1;
}

/* ---------- Labels & inputs ---------- */
.label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.label .req {
  color: var(--color-error);
  font-weight: 700;
}
.hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  line-height: 1.4;
}
.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-faint);
}
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.textarea {
  min-height: 96px;
  resize: vertical;
}
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235d6357' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  padding-right: 2.4rem;
}

/* ---------- Checkbox chip group ---------- */
.checks {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.check {
  position: relative;
}
.check input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.check span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface-2);
  transition: all var(--transition-interactive);
  user-select: none;
}
.check span::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1.5px solid var(--color-border-strong);
  flex: none;
  transition: all var(--transition-interactive);
}
.check input:focus-visible + span {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.check input:checked + span {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.check input:checked + span::before {
  background: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* radio as segmented chips reuse .check */
.radios {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* inline group (e.g. two number fields) */
.row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
}
.row .field {
  flex: 1;
}

/* ---------- Submit ---------- */
.form__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: stretch;
  margin-top: var(--space-2);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.form__fineprint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

/* ---------- Explainer (collapsible underwriting help) ---------- */
.explainer {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  overflow: hidden;
}
.explainer summary {
  list-style: none;
  cursor: pointer;
  padding: 0.8rem 1rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.explainer summary::-webkit-details-marker {
  display: none;
}
.explainer summary::before {
  content: '+';
  font-weight: 700;
  font-size: var(--text-base);
  width: 1.2em;
  text-align: center;
  color: var(--color-primary);
}
.explainer[open] summary::before {
  content: '−';
}
.explainer__body {
  padding: 0 var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.explainer__body p {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
}
.explainer__body strong {
  color: var(--color-primary);
}
.explainer__body em {
  font-style: italic;
}
.explainer__note {
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}

/* ---------- How it works strip ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
@media (min-width: 760px) {
  .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.flow__step {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
}
.flow__step b {
  color: var(--color-primary);
  flex: none;
}
.flow__step span {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-top: 2px;
}

/* ---------- Success / error states ---------- */
.result {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}
.result__icon {
  width: 64px;
  height: 64px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}
.result--error .result__icon {
  color: var(--color-error);
}
.result__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.result__text {
  color: var(--color-text-muted);
  margin-inline: auto;
  margin-bottom: var(--space-6);
}
.result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  text-align: center;
}
.footer__brand {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .fields {
    grid-template-columns: 1fr;
  }
  .row {
    flex-direction: column;
    align-items: stretch;
  }
  .header__tag {
    display: none;
  }
  .hero__meta {
    gap: var(--space-5);
  }
}