/* =========================================================
   Funnel Labs IA — Aplicação · Banca de Seleção
   Tokens alinhados ao Brandbook v1.0
   ========================================================= */

:root {
  /* ── Primitive ── */
  --black-950: #020202;
  --black-900: #050505;
  --black-800: #0A0A0A;
  --black-700: #111111;
  --black-600: #1A1A1A;
  --grey-500:  #2A2A2A;
  --grey-400:  #444444;
  --grey-300:  #666666;
  --grey-200:  #888888;
  --grey-100:  #AAAAAA;
  --white-50:  #F5F5F5;
  --white-100: #FDFDFD;

  --orange-300: #FFB380;
  --orange-400: #FF8C40;
  --orange-500: #FF5A00;
  --orange-600: #E04F00;
  --orange-700: #CC4800;
  --orange-800: #993600;
  --orange-900: #662400;
  --orange-950: #331200;

  /* ── Semantic ── */
  --bg-void: var(--black-900);
  --bg-surface: var(--black-800);
  --bg-elevated: var(--black-700);
  --bg-card: var(--black-600);

  --border-subtle: rgba(255,255,255,0.06);
  --border-medium: rgba(255,255,255,0.12);
  --border-strong: rgba(255,255,255,0.20);

  --ink:        var(--white-100);
  --ink-2:      #C8C8C8;
  --ink-mid:    var(--grey-200);
  --ink-low:    var(--grey-300);
  --ink-faint:  var(--grey-500);

  --accent:       var(--orange-500);
  --accent-soft:  var(--orange-400);
  --accent-dim:   rgba(255,90,0,0.14);
  --accent-glow:  rgba(255,90,0,0.30);
  --accent-line:  rgba(255,90,0,0.6);

  --pass:      #4ade80;
  --pass-dim:  rgba(74, 222, 128, 0.14);
  --err:       #ff6b6b;
  --err-dim:   rgba(255,107,107,0.14);

  /* ── Type ── */
  --display: "Playfair Display", Georgia, "Times New Roman", serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* ── Easings ── */
  --ease-soft:   cubic-bezier(.6, .05, .2, 1);
  --ease-snap:   cubic-bezier(.2, .8, .2, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);

  /* ── Durations ── */
  --d-instant: 100ms;
  --d-quick:   200ms;
  --d-base:    400ms;
  --d-slow:    800ms;

  --r-sm: 3px;
  --r-md: 6px;

  --form-max:    760px;
  --content-max: 1080px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-void);
  color: var(--ink-2);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; }
::selection { background: var(--accent-glow); color: var(--white-100); }

/* grain texture — from brandbook */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  mix-blend-mode: overlay;
}

.bg-glow {
  position: fixed;
  top: -30%; right: -20%;
  width: 70vw; height: 70vw;
  background: radial-gradient(ellipse, var(--orange-950) 0%, transparent 65%);
  opacity: 0.45;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}
.bg-glow-2 {
  position: fixed;
  bottom: -40%; left: -15%;
  width: 50vw; height: 50vw;
  background: radial-gradient(ellipse, rgba(255,90,0,0.04) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* ---------- header ---------- */
.hdr {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(5, 5, 5, 0.6);
  backdrop-filter: blur(12px);
}
.hdr__logo { display: flex; align-items: center; gap: 12px; }
.hdr__logo img { height: 32px; width: auto; display: block; }
.hdr__sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-low);
  text-transform: uppercase;
  border-left: 1px solid var(--border-medium);
  padding-left: 12px;
  margin-left: 4px;
}
.hdr__back {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  transition: color var(--d-quick) var(--ease-soft);
}
.hdr__back:hover { color: var(--white-100); }
.hdr__back .arrow { transition: transform var(--d-base) var(--ease-snap); display: inline-block; }
.hdr__back:hover .arrow { transform: translateX(-4px); }

@media (max-width: 640px) {
  .hdr { padding: 18px 22px; }
  .hdr__logo img { height: 26px; }
  .hdr__sub { display: none; }
}

/* ---------- progress bar (sticky) ---------- */
.progress {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--border-subtle);
  transform: translateY(-101%);
  transition: transform var(--d-base) var(--ease-snap);
}
.progress.is-visible { transform: translateY(0); }
.progress__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}
.progress__steps {
  display: flex;
  gap: 0;
  flex: 1;
}
.progress__step {
  flex: 1;
  padding: 10px 0 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  text-transform: uppercase;
  border-top: 1px solid var(--grey-500);
  transition: color var(--d-base) var(--ease-soft), border-color var(--d-base) var(--ease-soft);
  cursor: pointer;
  background: none;
  border-left: 0; border-right: 0; border-bottom: 0;
  text-align: left;
}
.progress__step.is-done { color: var(--ink-mid); border-top-color: var(--orange-700); }
.progress__step.is-active { color: var(--white-100); border-top-color: var(--accent); }
.progress__step .num { opacity: 0.6; }
.progress__step.is-active .num { color: var(--accent); opacity: 1; }
.progress__counter {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-mid);
  text-transform: uppercase;
}
.progress__counter strong {
  color: var(--white-100);
  font-weight: 500;
}
.progress__counter .accent { color: var(--accent); }

@media (max-width: 720px) {
  .progress__steps { display: none; }
  .progress__inner { grid-template-columns: 1fr; padding: 12px 22px; }
}

/* ---------- main container ---------- */
.shell {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 40px 120px;
}

/* ---------- hero ---------- */
.hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.hero__meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 40px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.hero__meta span { opacity: 0.85; }
.hero__meta .sep {
  width: 24px; height: 1px;
  background: var(--accent);
  opacity: 0.5;
  display: inline-block;
}
.hero__h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  color: var(--white-100);
  margin: 0 0 32px;
  max-width: 14ch;
  text-transform: uppercase;
}
.hero__h1 .line-accent {
  display: block;
  background: linear-gradient(90deg, var(--orange-500) 0%, var(--orange-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  font-weight: 300;
  max-width: 56ch;
  margin: 0 0 40px;
}
.hero__sub strong { color: var(--white-100); font-weight: 600; }
.hero__stats {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 16px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 32px;
}
.hero__stat {
  flex: 1;
  min-width: 140px;
  padding: 0 24px 0 0;
  border-right: 1px solid var(--border-subtle);
}
.hero__stat:last-child { border-right: none; }
.hero__stat + .hero__stat { padding-left: 24px; }
.hero__stat__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.hero__stat__lbl {
  font-size: 12px;
  color: var(--ink-mid);
  line-height: 1.45;
}

.hero__quote {
  margin-top: 56px;
  padding: 28px 32px;
  border-left: 2px solid var(--accent);
  background: linear-gradient(90deg, var(--accent-dim) 0%, transparent 100%);
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: 19px;
  line-height: 1.45;
  color: var(--white-100);
  max-width: 62ch;
}
.hero__quote::before {
  content: "//";
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
}

@media (max-width: 640px) {
  .hero { padding: 64px 0 72px; }
  .hero__stats { flex-direction: column; gap: 18px; padding-top: 24px; }
  .hero__stat { border-right: none; border-bottom: 1px solid var(--border-subtle); padding: 0 0 18px; }
  .hero__stat + .hero__stat { padding-left: 0; }
  .hero__stat:last-child { border-bottom: none; }
  .hero__quote { padding: 22px 22px; font-size: 16px; }
}

/* ---------- step section ---------- */
.step {
  padding: 88px 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}
.step:last-of-type { border-bottom: none; }
.step__head {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 32px;
  margin-bottom: 64px;
  align-items: start;
}
.step__num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 64px;
  line-height: 1;
  color: var(--white-100);
  letter-spacing: -0.04em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step__num .digit {
  background: linear-gradient(180deg, var(--white-100) 0%, var(--grey-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.step__num__lbl {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
.step__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white-100);
  margin: 0 0 16px;
  text-transform: uppercase;
}
.step__title em {
  background: linear-gradient(90deg, var(--orange-500) 0%, var(--orange-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
}
.step__lead {
  font-size: 15px;
  color: var(--ink-mid);
  max-width: 58ch;
  margin: 0;
  line-height: 1.55;
}
.step__body {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: var(--form-max);
}

@media (max-width: 640px) {
  .step__head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
  .step__num { font-size: 48px; flex-direction: row; align-items: baseline; gap: 14px; }
  .hero { padding: 64px 0 72px; }
  .step { padding: 56px 0; }
  .shell { padding: 0 22px 80px; }
}

/* ---------- form fields ---------- */
.field { position: relative; }
.field__inner {
  position: relative;
  border-bottom: 1px solid var(--border-medium);
  padding-top: 22px;
  transition: border-color var(--d-base) var(--ease-soft);
}
.field__inner::after {
  content: "";
  position: absolute;
  left: 50%; right: 50%;
  bottom: -1px;
  height: 1px;
  background: var(--accent);
  transition: left var(--d-base) var(--ease-snap), right var(--d-base) var(--ease-snap);
}
.field.is-focused .field__inner::after { left: 0; right: 0; }
.field.is-valid .field__inner { border-bottom-color: var(--pass); }
.field.is-error .field__inner { border-bottom-color: var(--err); }

.field__label {
  position: absolute;
  left: 0;
  top: 22px;
  font-size: 16px;
  color: var(--ink-mid);
  pointer-events: none;
  transform-origin: left bottom;
  transition: transform var(--d-base) var(--ease-snap), color var(--d-base) var(--ease-soft);
  font-weight: 400;
}
.field.is-focused .field__label,
.field.has-value .field__label {
  transform: translateY(-22px) scale(0.7);
}
.field.is-focused .field__label { color: var(--accent); }
.field__label .req {
  color: var(--accent);
  margin-left: 3px;
  font-family: var(--mono);
}

.field__input,
.field__textarea {
  width: 100%;
  background: transparent;
  border: 0;
  outline: 0;
  padding: 0 0 14px;
  font-size: 17px;
  color: var(--white-100);
  font-family: var(--body);
  font-weight: 400;
}
.field__textarea {
  resize: vertical;
  min-height: 168px;
  padding-top: 4px;
  line-height: 1.55;
  font-size: 16px;
}
.field__input::placeholder,
.field__textarea::placeholder {
  color: var(--grey-300);
  opacity: 0.6;
}

.field__check {
  position: absolute;
  right: 0;
  top: 22px;
  width: 18px;
  height: 18px;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--d-base) var(--ease-soft), transform var(--d-base) var(--ease-spring);
}
.field.is-valid .field__check { opacity: 1; transform: scale(1); }
.field__check svg { width: 100%; height: 100%; }
.field__check path {
  stroke: var(--pass);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  transition: stroke-dashoffset 600ms var(--ease-snap);
}
.field.is-valid .field__check path { stroke-dashoffset: 0; }

.field__error {
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  color: var(--err);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--d-base) var(--ease-soft), transform var(--d-base) var(--ease-snap);
  text-transform: uppercase;
}
.field__error::before {
  content: "";
  width: 6px; height: 6px;
  border: 1px solid var(--err);
  border-radius: 50%;
  display: inline-block;
}
.field.is-error .field__error { opacity: 1; transform: translateY(0); }

@keyframes shakeField {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-3px); }
  50%      { transform: translateX(3px); }
  75%      { transform: translateX(-2px); }
}
.field.is-shake { animation: shakeField 320ms var(--ease-soft) 1; }

.field__counter {
  position: absolute;
  right: 0;
  bottom: -22px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-low);
  opacity: 0;
  transition: opacity var(--d-base) var(--ease-soft), color var(--d-base) var(--ease-soft);
}
.field__counter.is-visible { opacity: 1; }
.field__counter.is-good { color: var(--pass); }

.field__hint {
  font-size: 12px;
  color: var(--ink-low);
  margin-top: 10px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* ---------- field group label (above inputs) ---------- */
.fieldset-label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.fieldset-label::before {
  content: "";
  width: 14px; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.fieldset-label .req {
  color: var(--accent);
  margin-left: 4px;
}

/* ---------- radio cards ---------- */
.radiogrid {
  display: grid;
  gap: 8px;
}
.radiogrid--3 { grid-template-columns: repeat(3, 1fr); }
.radiogrid--4 { grid-template-columns: repeat(4, 1fr); }
.radiogrid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 640px) {
  .radiogrid--3, .radiogrid--4 { grid-template-columns: 1fr 1fr; }
  .radiogrid--2 { grid-template-columns: 1fr; }
}

.radiocard {
  position: relative;
  padding: 18px 18px 18px;
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  text-align: left;
  cursor: pointer;
  transition: all var(--d-base) var(--ease-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 92px;
}
.radiocard:hover {
  border-color: var(--grey-400);
  background: var(--bg-elevated);
}
.radiocard.is-selected {
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: inset 0 0 0 1px var(--accent), 0 8px 24px -10px var(--accent-glow);
}
.radiocard__num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-low);
}
.radiocard__title {
  font-size: 15px;
  color: var(--white-100);
  font-weight: 500;
  letter-spacing: -0.005em;
}
.radiocard__sub {
  font-size: 12px;
  color: var(--ink-mid);
  line-height: 1.45;
}
.radiocard.is-selected .radiocard__num { color: var(--accent); }

/* ---------- select (custom dropdown) ---------- */
.select { position: relative; }
.select__trigger {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-medium);
  padding: 22px 30px 14px 0;
  font-size: 17px;
  color: var(--white-100);
  text-align: left;
  cursor: pointer;
  position: relative;
  transition: border-color var(--d-base) var(--ease-soft);
  font-family: var(--body);
}
.select__trigger:hover { border-bottom-color: var(--grey-400); }
.select.is-open .select__trigger,
.select.is-focused .select__trigger { border-bottom-color: var(--accent); }
.select__trigger.is-placeholder { color: var(--grey-300); }
.select__caret {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  transition: transform var(--d-base) var(--ease-snap);
  color: var(--ink-mid);
  pointer-events: none;
}
.select.is-open .select__caret { transform: translateY(-50%) rotate(180deg); color: var(--accent); }

.select__floating {
  position: absolute;
  left: 0;
  top: 22px;
  font-size: 16px;
  color: var(--ink-mid);
  pointer-events: none;
  transition: transform var(--d-base) var(--ease-snap), color var(--d-base) var(--ease-soft);
  transform-origin: left bottom;
}
.select.has-value .select__floating,
.select.is-open .select__floating {
  transform: translateY(-22px) scale(0.7);
}
.select.is-open .select__floating { color: var(--accent); }

.select__list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 40;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  max-height: 280px;
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--d-quick) var(--ease-soft), transform var(--d-quick) var(--ease-snap);
  box-shadow: 0 12px 32px rgba(0,0,0,0.6);
}
.select.is-open .select__list {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.select__opt {
  padding: 14px 18px;
  cursor: pointer;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--d-quick) var(--ease-soft), color var(--d-quick) var(--ease-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.select__opt:last-child { border-bottom: none; }
.select__opt:hover { background: var(--bg-surface); color: var(--white-100); }
.select__opt.is-selected { color: var(--accent); }
.select__opt.is-selected::after {
  content: "·";
  font-family: var(--mono);
  color: var(--accent);
}

/* scrollbar */
.select__list::-webkit-scrollbar { width: 6px; }
.select__list::-webkit-scrollbar-track { background: transparent; }
.select__list::-webkit-scrollbar-thumb { background: var(--grey-500); border-radius: 3px; }

/* ---------- chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  border: 1px solid var(--border-medium);
  padding: 11px 18px;
  font-size: 13px;
  color: var(--ink-2);
  background: var(--bg-surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all var(--d-quick) var(--ease-soft);
  font-family: var(--body);
  letter-spacing: 0.005em;
}
.chip:hover { border-color: var(--grey-400); color: var(--white-100); }
.chip.is-selected {
  border-color: var(--accent);
  color: var(--white-100);
  background: var(--accent-dim);
  transform: scale(1.03);
  box-shadow: 0 4px 14px -4px var(--accent-glow);
}
.chip__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--grey-400);
  transition: background var(--d-quick) var(--ease-soft), box-shadow var(--d-quick) var(--ease-soft);
}
.chip.is-selected .chip__dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* ---------- plan cards ---------- */
.plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 720px) { .plans { grid-template-columns: 1fr; } }

.plan {
  position: relative;
  padding: 36px 32px 28px;
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  text-align: left;
  cursor: pointer;
  transition: all var(--d-base) var(--ease-soft);
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow: hidden;
}
.plan::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.5;
  transition: opacity var(--d-base) var(--ease-soft);
}
.plan:hover {
  border-color: var(--grey-400);
  background: var(--bg-elevated);
}
.plan:hover::before { opacity: 0.8; }

.plans.has-selection .plan:not(.is-selected) {
  opacity: 0.36;
  filter: saturate(0.5);
}
.plan.is-selected {
  border-color: var(--accent);
  transform: scale(1.012);
  box-shadow: 0 0 0 1px var(--accent), 0 28px 64px -24px var(--accent-glow);
  opacity: 1 !important;
  filter: none !important;
  background: var(--bg-elevated);
}
.plan.is-selected::before { opacity: 1; height: 3px; }

.plan__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 18px;
}
.plan__name {
  font-family: var(--display);
  font-weight: 800;
  font-size: 32px;
  color: var(--white-100);
  letter-spacing: -0.025em;
  text-transform: uppercase;
  line-height: 1;
}
.plan__duration {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
  text-transform: uppercase;
}
.plan__price__main {
  font-family: var(--display);
  font-weight: 800;
  font-size: 38px;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.plan__price__main .cur {
  font-size: 18px;
  color: var(--accent-soft);
  margin-right: 4px;
  vertical-align: 0.18em;
  font-weight: 700;
}
.plan__price__main .tag {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
  text-transform: uppercase;
  margin-top: 6px;
  font-weight: 500;
}
.plan__price__sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mid);
  margin-top: 8px;
}
.plan__price__sub strong { color: var(--ink-2); font-weight: 500; }

.plan__benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.plan__benefits li {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.5;
  padding-left: 22px;
  position: relative;
}
.plan__benefits li::before {
  content: "+";
  position: absolute;
  left: 0; top: -1px;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 14px;
}

.plan__cta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--d-quick) var(--ease-soft);
}
.plan.is-selected .plan__cta { color: var(--accent); }
.plan__check {
  width: 16px; height: 16px;
  border: 1px solid var(--grey-400);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--d-quick) var(--ease-soft);
}
.plan.is-selected .plan__check {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.plan.is-selected .plan__check::after {
  content: "";
  width: 6px; height: 6px;
  background: var(--white-100);
  border-radius: 50%;
}

.plan__alt {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
  text-transform: uppercase;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
  text-align: left;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--d-quick) var(--ease-soft);
}
.plan__alt::before {
  content: "→";
  display: inline-block;
  transition: transform var(--d-base) var(--ease-snap);
}
.plan__alt:hover { color: var(--white-100); }
.plan__alt:hover::before { transform: translateX(3px); color: var(--accent); }

/* ---------- contextual microcopy ---------- */
.context {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: linear-gradient(90deg, var(--accent-dim) 0%, transparent 100%);
  border-left: 2px solid var(--accent);
  font-size: 14px;
  color: var(--white-100);
  line-height: 1.5;
  opacity: 0;
  transform: translateY(-6px);
  max-height: 0;
  margin-top: 0;
  transition: opacity var(--d-base) var(--ease-soft), transform var(--d-base) var(--ease-snap), max-height var(--d-base) var(--ease-soft), margin var(--d-base) var(--ease-soft);
  overflow: hidden;
}
.context.is-visible {
  opacity: 1;
  transform: translateY(0);
  max-height: 200px;
  margin-top: 4px;
}
.context__mark {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  flex-shrink: 0;
  padding-top: 3px;
}

/* ---------- step nav ---------- */
.stepnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 36px;
  margin-top: 24px;
  border-top: 1px solid var(--border-subtle);
  gap: 16px;
}
.btn-back {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: color var(--d-quick) var(--ease-soft);
  padding: 12px 0;
}
.btn-back:hover { color: var(--white-100); }
.btn-back .arrow { transition: transform var(--d-base) var(--ease-snap); }
.btn-back:hover .arrow { transform: translateX(-4px); }
.btn-back.is-hidden { visibility: hidden; }

.btn-next {
  position: relative;
  font-family: var(--body);
  font-weight: 600;
  font-size: 14px;
  color: var(--white-100);
  padding: 18px 32px 18px 32px;
  background: var(--bg-surface);
  border: 1px solid var(--accent);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transition: all var(--d-base) var(--ease-soft);
  overflow: hidden;
  text-transform: uppercase;
}
.btn-next::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
  transition: transform var(--d-base) var(--ease-snap);
  z-index: 0;
}
.btn-next > * { position: relative; z-index: 1; }
.btn-next:hover:not(:disabled)::before { transform: translateX(0); }
.btn-next .arrow { transition: transform var(--d-base) var(--ease-snap); }
.btn-next:hover:not(:disabled) .arrow { transform: translateX(4px); }
.btn-next:disabled { opacity: 0.35; cursor: not-allowed; border-color: var(--grey-500); }

/* ---------- submit (final) ---------- */
.submit-block {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}
.summary {
  border: 1px solid var(--border-medium);
  margin-bottom: 24px;
  overflow: hidden;
  background: var(--bg-surface);
}
.summary__head {
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-2);
  text-transform: uppercase;
  background: transparent;
  border: 0;
  transition: color var(--d-quick) var(--ease-soft);
}
.summary__head:hover { color: var(--white-100); }
.summary__head .marker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.summary__head .marker::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent);
}
.summary__caret { transition: transform var(--d-base) var(--ease-snap); color: var(--ink-mid); }
.summary.is-open .summary__caret { transform: rotate(180deg); color: var(--accent); }
.summary__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--d-base) var(--ease-soft);
}
.summary.is-open .summary__body { max-height: 1200px; }
.summary__list {
  padding: 4px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4px;
}
.summary__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13.5px;
  align-items: start;
}
.summary__row:last-child { border-bottom: none; }
.summary__key {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-mid);
  text-transform: uppercase;
  padding-top: 3px;
}
.summary__val {
  color: var(--white-100);
  word-break: break-word;
  line-height: 1.5;
}
.summary__val.is-empty { color: var(--ink-low); font-style: italic; }
@media (max-width: 640px) {
  .summary__row { grid-template-columns: 1fr; gap: 4px; }
}

.lgpd {
  font-size: 12px;
  color: var(--ink-mid);
  line-height: 1.6;
  margin-bottom: 28px;
  padding: 16px 18px;
  border: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.015);
  font-family: var(--body);
}
.lgpd strong { color: var(--ink-2); font-weight: 500; }

.btn-submit {
  width: 100%;
  position: relative;
  padding: 24px 32px;
  background: var(--accent);
  color: var(--black-900);
  font-size: 15px;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-family: var(--body);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  transition: all var(--d-base) var(--ease-soft);
  border: 1px solid var(--accent);
  text-transform: uppercase;
  overflow: hidden;
}
.btn-submit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--white-100), var(--accent-soft));
  opacity: 0;
  transition: opacity var(--d-base) var(--ease-soft);
}
.btn-submit > * { position: relative; z-index: 1; }
.btn-submit:hover:not(:disabled)::before { opacity: 1; }
.btn-submit:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-submit.is-loading {
  background: var(--bg-surface);
  color: var(--ink-mid);
  border-color: var(--border-medium);
}
.btn-submit.is-loading::before { display: none; }
.btn-submit .spinner {
  width: 14px; height: 14px;
  border: 1.5px solid var(--grey-400);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-submit__arrow {
  display: inline-flex;
  align-items: center;
}

/* ---------- thank you screen ---------- */
.thanks {
  min-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0;
  max-width: 760px;
  position: relative;
  z-index: 1;
}
.thanks__mark {
  width: 88px;
  height: 88px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 48px;
  position: relative;
  background: var(--bg-surface);
}
.thanks__mark svg path {
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  animation: drawCheck 700ms var(--ease-snap) 300ms forwards;
}
@keyframes drawCheck { to { stroke-dashoffset: 0; } }

.thanks__mark::after {
  content: "";
  position: absolute;
  inset: -12px;
  border: 1px solid var(--accent-glow);
  border-radius: 50%;
  animation: pulse 2.4s var(--ease-soft) infinite;
}
@keyframes pulse {
  0% { transform: scale(0.94); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.thanks__eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.thanks__eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--accent);
  display: inline-block;
}

.thanks__h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 7vw, 80px);
  line-height: 0.95;
  color: var(--white-100);
  margin: 0 0 24px;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}
.thanks__h1 em {
  background: linear-gradient(90deg, var(--orange-500) 0%, var(--orange-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
}
.thanks__sub {
  font-size: 18px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 56ch;
  margin: 0 0 56px;
  font-weight: 300;
}
.thanks__sub strong { color: var(--white-100); font-weight: 600; }

.thanks__steps {
  list-style: none;
  margin: 0 0 56px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-subtle);
}
.thanks__step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
}
.thanks__step__num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 24px;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.thanks__step__title {
  font-size: 16px;
  color: var(--white-100);
  margin: 0 0 6px;
  font-weight: 600;
  font-family: var(--body);
}
.thanks__step__body {
  font-size: 14px;
  color: var(--ink-mid);
  margin: 0;
  line-height: 1.6;
}

.thanks__code {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-mid);
  letter-spacing: 0.06em;
  padding: 16px 22px;
  border: 1px dashed var(--border-medium);
  width: fit-content;
  text-transform: uppercase;
}
.thanks__code strong { color: var(--accent); font-weight: 600; letter-spacing: 0.08em; }
.thanks__code .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: blink 1.4s var(--ease-soft) infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 32px 40px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  max-width: var(--content-max);
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-low);
  text-transform: uppercase;
}
.footer a { color: var(--ink-mid); text-decoration: none; transition: color var(--d-quick) var(--ease-soft); }
.footer a:hover { color: var(--white-100); }

/* ---------- entry animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.anim-stagger > * {
  opacity: 0;
  animation: fadeUp 700ms var(--ease-snap) forwards;
}
.anim-stagger > *:nth-child(1) { animation-delay: 80ms; }
.anim-stagger > *:nth-child(2) { animation-delay: 180ms; }
.anim-stagger > *:nth-child(3) { animation-delay: 260ms; }
.anim-stagger > *:nth-child(4) { animation-delay: 340ms; }
.anim-stagger > *:nth-child(5) { animation-delay: 420ms; }
.anim-stagger > *:nth-child(6) { animation-delay: 500ms; }
.anim-stagger > *:nth-child(7) { animation-delay: 580ms; }

@keyframes stepCrossfade {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.step-enter { animation: stepCrossfade 500ms var(--ease-snap) forwards; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- variant: monochrome (no orange) ---------- */
.theme--mono {
  --accent:      #d8d8d8;
  --accent-soft: #b0b0b0;
  --accent-dim:  rgba(216,216,216,0.10);
  --accent-glow: rgba(216,216,216,0.22);
  --accent-line: rgba(216,216,216,0.5);
}
.theme--mono .hero__h1 .line-accent,
.theme--mono .step__title em,
.theme--mono .thanks__h1 em,
.theme--mono .plan__price__main { background: none; -webkit-text-fill-color: currentColor; color: var(--white-100); }

/* density variants */
.density--compact .step { padding: 56px 0; }
.density--compact .hero { padding: 64px 0 56px; }
.density--compact .step__head { margin-bottom: 40px; }

/* progress style variants */
.progress.style--dots .progress__step { border-top: none; padding: 6px 0; }
.progress.style--dots .progress__step .num {
  width: 22px; height: 22px;
  border: 1px solid var(--grey-500);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  font-size: 10px;
  color: var(--ink-mid);
}
.progress.style--dots .progress__step.is-done .num { border-color: var(--orange-700); color: var(--orange-400); }
.progress.style--dots .progress__step.is-active .num { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); box-shadow: 0 0 12px var(--accent-glow); }