/* =====================================================================
   STILUS — Ricerca form
   Editorial / warm aesthetic: cream + ink + vermillion accent
   ===================================================================== */

:root {
  /* palette */
  --cream:        #F4EFE6;
  --cream-deep:   #EAE2D2;
  --paper:        #FBF8F1;
  --ink:          #1C1A17;
  --ink-soft:     #3A3631;
  --ink-mute:     #6E6A63;
  --line:         #D8CDB7;
  --line-soft:    #E6DDC9;
  --vermillion:   #B54A28;
  --vermillion-h: #9F3F22;
  --vermillion-l: #D8623A;
  --success:      #5A6E3C;
  --error:        #9A2E2E;
  --shadow-soft:  0 1px 0 rgba(28,26,23,.06), 0 24px 60px -32px rgba(28,26,23,.18);
  --shadow-card:  0 1px 0 rgba(28,26,23,.05), 0 12px 32px -20px rgba(28,26,23,.22);

  /* typography */
  --font-serif:   "Iowan Old Style", "Palatino Linotype", "Palatino", "PT Serif", Georgia, "Times New Roman", serif;
  --font-sans:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;

  --t-eyebrow:    clamp(.72rem, .68rem + .15vw, .8rem);
  --t-body:       clamp(1rem, .96rem + .25vw, 1.125rem);
  --t-lede:       clamp(1.05rem, 1rem + .35vw, 1.22rem);
  --t-h:          clamp(2.2rem, 1.4rem + 3.2vw, 4rem);
  --t-h-sub:      clamp(1.55rem, 1.2rem + 1.5vw, 2.2rem);

  /* spacing */
  --pad-x:        clamp(1.2rem, .9rem + 2vw, 2.6rem);
  --gap:          clamp(1rem, .8rem + 1vw, 1.6rem);
  --gap-lg:       clamp(2rem, 1.4rem + 2vw, 3.6rem);

  /* motion */
  --d-fast:       160ms;
  --d-base:       240ms;
  --d-slow:       420ms;
  --ease-out:     cubic-bezier(.16, 1, .3, 1);
  --ease-in-out:  cubic-bezier(.65, 0, .35, 1);

  /* layout */
  --radius:       14px;
  --radius-lg:    22px;
  --maxw:         720px;
}

/* ============== RESET / BASE ============== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: 1.55;
  font-feature-settings: "ss01", "kern", "liga";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* subtle grain — gives editorial warmth */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(ellipse at 80% -10%, rgba(181,74,40,.07), transparent 50%),
    radial-gradient(ellipse at -10% 110%, rgba(60,52,40,.05), transparent 50%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.11   0 0 0 0 0.1   0 0 0 0 0.09   0 0 0 0.08 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: .6;
  mix-blend-mode: multiply;
}

a {
  color: var(--vermillion);
  text-decoration: underline;
  text-decoration-thickness: .06em;
  text-underline-offset: .18em;
  transition: color var(--d-fast) var(--ease-out);
}
a:hover { color: var(--vermillion-h); }
a:focus-visible { outline: 2px solid var(--vermillion); outline-offset: 3px; border-radius: 3px; }

::selection { background: var(--vermillion); color: var(--cream); }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
.muted { color: var(--ink-mute); font-weight: normal; }

.hp { position: absolute; left: -9999px; height: 0; width: 0; overflow: hidden; }

.noscript-banner {
  background: var(--vermillion);
  color: var(--cream);
  text-align: center;
  padding: 1rem;
  font-weight: 600;
}

/* ============== TOPBAR ============== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(to bottom, var(--cream) 70%, rgba(244,239,230,0));
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 1rem var(--pad-x) .85rem;
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--vermillion);
  color: var(--cream);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  transform: translateY(2px);
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -.01em;
}
.brand-sub {
  color: var(--ink-mute);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding-left: .5rem;
  border-left: 1px solid var(--line);
  margin-left: .2rem;
}

.progress {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-width: 120px;
}
.progress-track {
  position: relative;
  width: 100px;
  height: 3px;
  background: var(--line-soft);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 16%;
  background: var(--vermillion);
  transition: width var(--d-slow) var(--ease-out);
}
.progress-text {
  font-variant-numeric: tabular-nums;
  color: var(--ink-mute);
  font-size: .82rem;
  letter-spacing: .04em;
}

@media (max-width: 480px) {
  .brand-sub { display: none; }
  .progress-track { width: 70px; }
}

/* ============== WIZARD ============== */
.wizard {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1rem, 0.5rem + 2vw, 2.4rem) var(--pad-x) var(--gap-lg);
}

/* steps */
.step {
  animation: stepIn var(--d-slow) var(--ease-out) both;
}
.step[hidden] { display: none; }
.field[hidden] { display: none; }

@keyframes stepIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .step { animation: none; }
  .progress-fill { transition: none; }
}

/* typographic system */
.eyebrow {
  margin: 0 0 1rem;
  font-size: var(--t-eyebrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--ink-mute);
}
.display {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--t-h);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 1.4rem;
  text-wrap: balance;
}
.display em {
  font-style: italic;
  color: var(--vermillion);
}
.lede {
  font-family: var(--font-serif);
  font-size: var(--t-lede);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
  text-wrap: pretty;
  max-width: 38ch;
}
.subprompt {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1rem + .4vw, 1.28rem);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 .9rem;
  text-wrap: pretty;
  max-width: 44ch;
}
.hint {
  margin: .35rem 0 0;
  font-size: .88rem;
  color: var(--ink-mute);
  line-height: 1.45;
}
.hint--inline {
  font-style: italic;
  margin-bottom: 1.1rem;
}

/* intro key/value sheet */
.kv {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 var(--gap-lg);
  border-top: 1px solid var(--line);
  max-width: 32rem;
}
.kv li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: .96rem;
}
.kv li span:first-child {
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .76rem;
}
.kv li span:last-child {
  font-family: var(--font-serif);
  color: var(--ink);
}

/* ============== FORM ============== */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap) 1.2rem;
  margin-top: var(--gap);
}
.form-grid .field--full { grid-column: 1 / -1; }
@media (max-width: 580px) {
  .form-grid { grid-template-columns: 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 1rem;
}
.field--full { width: 100%; }
.field--textarea { margin-top: 1rem; }
.field--inline {
  margin-top: .85rem;
  animation: stepIn var(--d-base) var(--ease-out) both;
}
.field--altro {
  margin-top: .9rem;
  padding-left: .9rem;
  border-left: 2px solid var(--vermillion);
  animation: stepIn var(--d-base) var(--ease-out) both;
}

label, legend {
  font-size: .94rem;
  color: var(--ink-soft);
  font-weight: 500;
  letter-spacing: -.005em;
}
legend {
  padding: 0;
  margin-bottom: .55rem;
}
.req {
  color: var(--vermillion);
  margin-left: .15rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1.04rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .75rem .85rem;
  line-height: 1.4;
  transition: border-color var(--d-fast) var(--ease-out),
              box-shadow var(--d-fast) var(--ease-out),
              background var(--d-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}
input::placeholder,
textarea::placeholder {
  color: #B0A89A;
  font-style: italic;
}
input:hover, select:hover, textarea:hover {
  border-color: #C9BEA7;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--vermillion);
  box-shadow: 0 0 0 3px rgba(181,74,40,.16);
  background: #fff;
}
input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(154,46,46,.12);
}

textarea {
  resize: vertical;
  min-height: 9rem;
  line-height: 1.55;
  font-family: var(--font-serif);
}

select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%231C1A17' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.6rem;
}

.counter {
  margin: .25rem 0 0;
  text-align: right;
  font-size: .8rem;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
}
.counter[data-near="1"] { color: var(--vermillion); }

/* radio cards */
fieldset.field--radio-grid {
  border: 0;
  padding: 0;
  margin: 0 0 1.6rem;
}
.radio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .55rem;
}
.radio-grid--narrow {
  grid-template-columns: repeat(auto-fit, minmax(106px, 1fr));
}
.radio-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: .85rem .65rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 11px;
  cursor: pointer;
  font-size: .98rem;
  color: var(--ink-soft);
  transition: border-color var(--d-fast) var(--ease-out),
              background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              transform var(--d-fast) var(--ease-out);
  user-select: none;
}
.radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.radio-card:hover {
  border-color: #C9BEA7;
  background: #fff;
}
.radio-card:has(input:focus-visible) {
  outline: 2px solid var(--vermillion);
  outline-offset: 2px;
}
.radio-card:has(input:checked) {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -10px rgba(28,26,23,.4);
}

/* checkbox */
.check-row {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .85rem .9rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 11px;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 1rem;
  transition: border-color var(--d-fast) var(--ease-out),
              background var(--d-fast) var(--ease-out);
}
.check-row:hover { border-color: #C9BEA7; }
.check-row input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 5px;
  border: 1.5px solid var(--ink-mute);
  background: #fff;
  cursor: pointer;
  display: grid;
  place-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  transition: border-color var(--d-fast) var(--ease-out),
              background var(--d-fast) var(--ease-out);
}
.check-row input:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: 2px;
}
.check-row input::before {
  content: "";
  width: 12px; height: 12px;
  background: var(--cream);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 84% 0, 43% 62%);
  transform: scale(0);
  transition: transform var(--d-fast) var(--ease-out);
}
.check-row input:checked {
  background: var(--vermillion);
  border-color: var(--vermillion);
}
.check-row input:checked::before { transform: scale(1); }
.check-row:has(input:checked) {
  border-color: var(--vermillion);
  background: rgba(181,74,40,.06);
}

/* ============== BUTTONS / ACTIONS ============== */
.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: var(--gap-lg);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}
.step--intro .actions { border-top: 0; padding-top: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font: 600 1.02rem/1 var(--font-sans);
  letter-spacing: -.005em;
  padding: .9rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out),
              transform var(--d-fast) var(--ease-out),
              box-shadow var(--d-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: 3px;
}
.btn--primary {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset,
              0 8px 24px -12px rgba(28,26,23,.5);
}
.btn--primary:hover {
  background: var(--vermillion);
  border-color: var(--vermillion);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -14px rgba(181,74,40,.5);
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  color: var(--ink-soft);
  border-color: var(--line);
  background: transparent;
}
.btn--ghost:hover {
  color: var(--ink);
  border-color: var(--ink-mute);
  background: var(--paper);
}
.icon-arrow {
  width: 18px; height: 18px;
  transition: transform var(--d-fast) var(--ease-out);
}
.btn--primary:hover .icon-arrow { transform: translateX(3px); }

.btn--submit { position: relative; min-width: 9rem; justify-content: center; }
.btn--submit.is-loading .btn-label { opacity: 0; }
.btn--submit.is-loading .btn-spinner {
  opacity: 1;
  animation: spin .8s linear infinite;
}
.btn-spinner {
  position: absolute;
  left: 50%; top: 50%;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(244,239,230,.3);
  border-top-color: var(--cream);
  border-radius: 50%;
  opacity: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .btn--submit.is-loading .btn-spinner { animation: none; }
}

.form-error {
  margin-top: 1rem;
  padding: .8rem 1rem;
  background: rgba(154,46,46,.08);
  color: var(--error);
  border-left: 3px solid var(--error);
  border-radius: 8px;
  font-size: .95rem;
}

/* ============== STEP 6 — TEASE ============== */
.step--tease .display {
  font-size: clamp(2.6rem, 1.6rem + 3.6vw, 4.4rem);
}
.tease {
  margin: .4rem 0 var(--gap-lg);
  padding: clamp(1.4rem, 1rem + 1.5vw, 2.2rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.tease::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(181,74,40,.15), transparent 70%);
  pointer-events: none;
}
.tease-lede {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1rem + .35vw, 1.22rem);
  line-height: 1.55;
  margin: 0 0 1.3rem;
  color: var(--ink);
  text-wrap: pretty;
}
.tease-lede em { color: var(--vermillion); font-style: italic; }

.features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem 1.2rem;
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
}
.features li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .96rem;
  line-height: 1.4;
  color: var(--ink-soft);
}
.feat-ic {
  width: 22px; height: 22px;
  color: var(--vermillion);
  flex-shrink: 0;
  margin-top: 2px;
}

/* CTA blocks */
.cta-block {
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}
.cta-h {
  font-family: var(--font-serif);
  font-size: var(--t-h-sub);
  font-weight: 600;
  letter-spacing: -.015em;
  margin: 0 0 .3rem;
  color: var(--ink);
}
.cta-sub {
  margin: 0 0 1rem;
  color: var(--ink-mute);
  font-size: .98rem;
  max-width: 42ch;
}

/* share row */
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}
.share-row--center { justify-content: center; margin-top: 1.6rem; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.05rem;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  font: 600 .94rem/1 var(--font-sans);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              transform var(--d-fast) var(--ease-out);
}
.share-btn svg { width: 18px; height: 18px; color: var(--vermillion); transition: color var(--d-fast) var(--ease-out); }
.share-btn:hover {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  transform: translateY(-1px);
}
.share-btn:hover svg { color: var(--cream); }
.share-btn:focus-visible { outline: 2px solid var(--vermillion); outline-offset: 3px; }
.share-btn[data-copied="1"] {
  background: var(--success);
  color: var(--cream);
  border-color: var(--success);
}
.share-btn[data-copied="1"] svg { color: var(--cream); }

.privacy-disclaimer {
  margin: 1.8rem 0 0;
  padding: 1rem 1.1rem;
  background: rgba(108, 100, 88, .06);
  border-left: 2px solid var(--line);
  color: var(--ink-mute);
  font-size: .85rem;
  line-height: 1.55;
  border-radius: 0 8px 8px 0;
}
.privacy-disclaimer a { color: var(--ink-soft); }

/* ============== STEP 7 — THANKS ============== */
.step--thanks {
  text-align: center;
  padding-top: 2rem;
}
.step--thanks .display { margin-bottom: 1.4rem; }
.step--thanks .lede { margin-left: auto; margin-right: auto; }
.thanks-mark {
  display: inline-block;
  width: 84px; height: 84px;
  color: var(--vermillion);
  margin-bottom: 1.4rem;
  animation: thanksPop .5s var(--ease-out) both;
}
.heart { color: var(--vermillion); }
@keyframes thanksPop {
  from { transform: scale(.6); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .thanks-mark { animation: none; }
}

/* ============== FOOTER ============== */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem var(--pad-x) 2.4rem;
  color: var(--ink-mute);
  font-size: .85rem;
  line-height: 1.5;
}
.footer p { margin: .3rem 0; }
.footer .small { font-size: .78rem; opacity: .85; }
.footer a { color: var(--ink-soft); }

/* ============== UTILITIES ============== */
.invalid-shake { animation: shake .35s var(--ease-in-out); }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}
@media (prefers-reduced-motion: reduce) {
  .invalid-shake { animation: none; }
}