:root {
  --black: #17130d;
  --ink: #0f0c07;
  --white: #faf6ee;
  --green: #1f5c41;
  --green-deep: #0f3f29;
  --green-soft: #214c38;
  --orange: #c2662f;
  --grey: #a99a80;
  --grey-line: rgba(169, 154, 128, 0.24);
  --grey-faint: rgba(169, 154, 128, 0.10);

  --font-sans: "Fraunces", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-display: "Fraunces", Georgia, serif;

  --max: 1100px;
  --pad: clamp(20px, 4vw, 56px);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
::selection { background: var(--green); color: var(--white); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  background: var(--black);
  border-bottom: 1px solid var(--grey-line);
  padding: 18px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
}
.nav-brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}
.nav-brand .dot { color: var(--green); }
.nav-back {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .25s var(--ease);
}
.nav-back:hover { color: var(--white); }
.nav-back .arrow { display: inline-block; transition: transform .35s var(--ease); }
.nav-back:hover .arrow { transform: translateX(-4px); }

/* HERO */
.hero {
  background: var(--green);
  padding: 100px var(--pad) 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(0,0,0,0.18), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero .label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
}
.hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  font-size: 11px;
}
.hero .badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--white);
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.55); }
  70% { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 6.5vw, 88px);
  line-height: 0.98;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0 0 28px;
  color: var(--white);
  max-width: 16ch;
}
.hero h1 em {
  font-style: normal;
  font-weight: 500;
  display: inline-block;
  border-bottom: 4px solid var(--white);
  padding-bottom: 2px;
}
.hero p.lead {
  font-size: 19px;
  line-height: 1.55;
  color: rgba(255,255,255,0.92);
  max-width: 60ch;
  margin: 0 0 16px;
}
.hero .meta-row {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.25);
}
.hero .meta-row .item .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 6px;
}
.hero .meta-row .item .v {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}

/* INTRO STRIP */
.intro {
  padding: 80px var(--pad);
  border-bottom: 1px solid var(--grey-line);
}
.intro .container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}
.intro h2 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--grey);
  margin: 0;
}
.intro p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.88);
}
.intro p strong { color: var(--white); font-weight: 500; }
.intro .note {
  margin-top: 24px;
  padding: 20px 24px;
  border-left: 2px solid var(--green);
  background: rgba(26,99,64,0.08);
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-mono);
  line-height: 1.6;
}

/* FORM */
.form-section {
  padding: 80px var(--pad) 120px;
}
.form-section .container { max-width: 880px; }

.form-group { margin-bottom: 64px; }
.form-group:last-of-type { margin-bottom: 48px; }

.form-group .group-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grey-line);
}
.form-group .group-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--green);
}
.form-group .group-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  text-transform: uppercase;
  letter-spacing: 0.005em;
  margin: 0;
}
.form-group .group-sub {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--grey);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.field { margin-bottom: 28px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}
.field-row .field { margin-bottom: 0; }

label.flabel {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 10px;
}
label.flabel .req { color: var(--green); margin-left: 6px; }
label.flabel .hint {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: rgba(168,168,168,0.7);
  font-family: var(--font-sans);
  line-height: 1.5;
}

.input,
.select,
.textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--grey-line);
  padding: 14px 0;
  font-size: 16px;
  color: var(--white);
  outline: none;
  transition: border-color .25s var(--ease);
  font-family: var(--font-sans);
}
.input:focus,
.select:focus,
.textarea:focus {
  border-bottom-color: var(--green);
}
.input::placeholder,
.textarea::placeholder { color: rgba(168,168,168,0.45); }
.textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.55;
  font-family: var(--font-sans);
}
.select {
  appearance: none;
  -webkit-appearance: none;
  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='%23a8a8a8' stroke-width='1.5' d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 28px;
  cursor: pointer;
}
.select option { background: var(--black); color: var(--white); }

.radio-group,
.check-group {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}
.radio-group.cols-2,
.check-group.cols-2 { grid-template-columns: 1fr 1fr; }
.radio-group.cols-3,
.check-group.cols-3 { grid-template-columns: repeat(3, 1fr); }

.opt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--grey-line);
  cursor: pointer;
  transition: border-color .25s var(--ease), background .25s var(--ease);
  font-size: 14px;
  line-height: 1.4;
  user-select: none;
}
.opt:hover { border-color: rgba(168,168,168,0.5); }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt .box {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  border: 1px solid var(--grey);
  border-radius: 0;
  margin-top: 2px;
  position: relative;
  transition: border-color .25s var(--ease);
}
.opt.radio .box { border-radius: 50%; }
.opt input:checked ~ .box {
  border-color: var(--green);
  background: var(--green);
}
.opt input:checked ~ .box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--white);
}
.opt.radio input:checked ~ .box::after { border-radius: 50%; inset: 4px; }
.opt input:checked + .box + span,
.opt:has(input:checked) { border-color: var(--green); }
.opt input:focus-visible ~ .box { outline: 2px solid var(--green); outline-offset: 2px; }

.scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 4px;
}
.scale label {
  border: 1px solid var(--grey-line);
  text-align: center;
  padding: 18px 8px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.scale label small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 4px;
}
.scale input { display: none; }
.scale label:hover { border-color: rgba(168,168,168,0.5); }
.scale input:checked + .scale-content,
.scale label:has(input:checked) {
  border-color: var(--green);
  background: var(--green);
  color: var(--white);
}
.scale label:has(input:checked) small { color: rgba(255,255,255,0.85); }

/* SUBMIT */
.submit-row {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--grey-line);
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}
.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 12px;
  color: var(--grey);
  line-height: 1.5;
  max-width: 60ch;
}
.consent input { margin-top: 3px; accent-color: var(--green); }
.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--green);
  color: var(--white);
  border: 1px solid var(--green);
  padding: 22px 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .35s var(--ease);
}
.submit-btn:hover {
  background: transparent;
}
.submit-btn .arrow { transition: transform .35s var(--ease); }
.submit-btn:hover .arrow { transform: translateX(6px); }
.submit-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* SUCCESS */
.success {
  display: none;
  padding: 120px var(--pad);
}
.success.shown { display: block; }
.success .container { max-width: 720px; }
.success h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1;
  margin: 0 0 32px;
}
.success h2 em {
  font-style: normal;
  color: var(--green);
}
.success p {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  margin: 0 0 16px;
  max-width: 56ch;
}
.success .actions {
  margin-top: 48px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.success .actions a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--grey-line);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.success .actions a:first-child {
  background: var(--green);
  border-color: var(--green);
}
.success .actions a:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }

/* FOOTER */
footer {
  border-top: 1px solid var(--grey-line);
  padding: 40px var(--pad);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
  flex-wrap: wrap;
  gap: 16px;
}

/* RESPONSIVE */
@media (max-width: 760px) {
  .field-row { grid-template-columns: 1fr; }
  .radio-group.cols-2,
  .radio-group.cols-3,
  .check-group.cols-2,
  .check-group.cols-3 { grid-template-columns: 1fr; }
  .scale { grid-template-columns: repeat(5, 1fr); }
  .scale label { font-size: 18px; padding: 14px 4px; }
  .intro .container { grid-template-columns: 1fr; gap: 24px; }
  .form-group .group-head { flex-wrap: wrap; }
  .form-group .group-sub { margin-left: 0; flex-basis: 100%; }
  .submit-row { flex-direction: column; align-items: flex-start; }
}
/* — coherencia editorial — */
h1,h2,.hero h1{ text-transform: none !important; }
h1,h2{ font-weight: 560 !important; letter-spacing:-0.01em; }