/* ══ TOKENS ══ */
:root {
  --bg:        #ffffff;
  --bg2:       #f7f5f0;
  --dark:      #1a1f2e;
  --dark2:     #252c40;
  --dark3:     #2e3650;
  --blue:      #6aabdc;
  --blue2:     #4d95cc;
  --blue-lt:   #ddeef9;
  --text:      #1a1f2e;
  --text2:     #4a5068;
  --text3:     #8a90a8;
  --text-inv:  #f2ede4;
  --text-inv2: #a8b0c8;
  --border2:   #cec8bc;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a    { text-decoration: none; color: inherit; }

/* ══ NAV ══ */
.pub-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(26,31,46,.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(106,171,220,.15);
  padding: 0 5%; display: flex; align-items: center;
  justify-content: space-between; height: 64px;
}
.pub-nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 800; color: var(--text-inv);
}
.pub-nav-links { display: flex; align-items: center; gap: 28px; }
.pub-nav-links a { font-size: 13px; font-weight: 500; color: var(--text-inv2); transition: color .15s; }
.pub-nav-links a:hover { color: var(--text-inv); }
.pub-nav-cta {
  background: var(--blue) !important; color: #fff !important;
  font-weight: 700 !important; font-size: 13px !important;
  padding: 8px 18px; border-radius: 8px; transition: background .15s !important;
}
.pub-nav-cta:hover { background: var(--blue2) !important; }

/* ══ HERO ══ */
.hero {
  min-height: 52vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 80px 5% 60px;
  position: relative; overflow: hidden;
  background: var(--dark);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(106,171,220,.18) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 85% 85%,  rgba(106,171,220,.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 68px); font-weight: 900;
  line-height: 1.05; letter-spacing: -2px;
  margin-bottom: 20px; max-width: 720px; color: var(--text-inv);
  position: relative;
}
.hero h1 span { color: var(--blue); }
.hero-sub {
  font-size: clamp(15px, 1.8vw, 18px); color: var(--text-inv2);
  max-width: 520px; line-height: 1.7;
  position: relative;
}

/* ══ SECCIÓN FORMULARIO ══ */
.valuation-section {
  background: var(--dark);
  padding: 72px 5% 96px;
}

/* ══ PASOS ══ */
.steps-row {
  display: flex; gap: 0; justify-content: center;
  max-width: 720px; margin: 0 auto 56px; position: relative;
}
.steps-row::before {
  content: ''; position: absolute;
  top: 21px; left: calc(16.6% + 21px); right: calc(16.6% + 21px);
  height: 1px; background: rgba(106,171,220,.2);
}
.step {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; gap: 10px; position: relative; z-index: 1;
}
.step-circle {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--dark2); border: 1px solid rgba(106,171,220,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: var(--blue);
}
.step-label {
  font-size: 11px; font-weight: 600; color: var(--text-inv2);
  text-transform: uppercase; letter-spacing: 0.8px; text-align: center;
}

/* ══ FORMULARIO ══ */
.contact-form-wrap {
  max-width: 680px; margin: 0 auto;
  background: var(--dark2); border: 1px solid rgba(106,171,220,.2);
  border-radius: 20px; padding: 40px 44px; text-align: left;
}
.contact-form-wrap h3 {
  font-size: 18px; font-weight: 800; margin-bottom: 6px; color: var(--text-inv);
}
.contact-form-wrap > p {
  font-size: 14px; color: var(--text-inv2); margin-bottom: 28px; line-height: 1.6;
}

.cf-section-label {
  grid-column: 1 / -1;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--blue);
  padding-top: 8px; border-top: 1px solid rgba(106,171,220,.15);
  margin-top: 4px;
}
.cf-section-label:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.cf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cf-field { display: flex; flex-direction: column; gap: 5px; }
.cf-field.full { grid-column: 1 / -1; }
.cf-field label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--text-inv2);
}
.cf-field input,
.cf-field textarea,
.cf-field select {
  background: var(--dark3); border: 1px solid rgba(106,171,220,.2);
  border-radius: 8px; color: var(--text-inv); font-size: 13px;
  padding: 10px 12px; font-family: inherit; outline: none; transition: border-color .2s;
}
.cf-field input::placeholder,
.cf-field textarea::placeholder { color: var(--text-inv2); opacity: .6; }
.cf-field input:focus,
.cf-field textarea:focus,
.cf-field select:focus { border-color: var(--blue); }
.cf-field select option { background: var(--dark3); }
.cf-field textarea { resize: vertical; min-height: 90px; }

/* ══ ZONA DE ADJUNTOS ══ */
.cf-upload-zone {
  grid-column: 1 / -1;
  border: 2px dashed rgba(106,171,220,.35);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  background: rgba(106,171,220,.04);
  position: relative;
}
.cf-upload-zone:hover,
.cf-upload-zone.drag-over {
  border-color: var(--blue);
  background: rgba(106,171,220,.1);
}
.cf-upload-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.cf-upload-icon {
  width: 36px; height: 36px; margin: 0 auto 10px;
  color: var(--blue); opacity: .7;
}
.cf-upload-label {
  font-size: 13px; font-weight: 600; color: var(--text-inv);
  display: block; margin-bottom: 4px;
}
.cf-upload-hint { font-size: 11px; color: var(--text-inv2); }
.cf-upload-hint span { color: var(--blue); }

/* Lista de archivos */
.cf-file-list {
  grid-column: 1 / -1;
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 4px;
}
.cf-file-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--dark3); border: 1px solid rgba(106,171,220,.2);
  border-radius: 6px; padding: 4px 10px;
  font-size: 11px; color: var(--text-inv2); max-width: 220px;
}
.cf-file-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cf-file-chip button {
  background: none; border: none; cursor: pointer;
  color: var(--text-inv2); font-size: 14px; line-height: 1;
  padding: 0; flex-shrink: 0; transition: color .15s;
}
.cf-file-chip button:hover { color: #f87171; }

/* Barra de progreso */
.cf-progress-wrap { grid-column: 1 / -1; display: none; }
.cf-progress-wrap.active { display: block; }
.cf-progress-bar {
  height: 4px; border-radius: 999px;
  background: rgba(106,171,220,.15);
  overflow: hidden; margin-top: 8px;
}
.cf-progress-fill {
  height: 100%; width: 0%; background: var(--blue);
  border-radius: 999px; transition: width .3s ease;
}
.cf-progress-text {
  font-size: 11px; color: var(--text-inv2); margin-top: 4px; text-align: right;
}

/* Botón submit */
.cf-submit {
  width: 100%; margin-top: 20px;
  background: var(--blue); color: #fff;
  font-size: 14px; font-weight: 700; padding: 14px;
  border: none; border-radius: 10px; cursor: pointer; font-family: inherit;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background .15s, transform .1s;
}
.cf-submit:hover { background: var(--blue2); transform: translateY(-1px); }
.cf-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* Alertas */
.cf-alert-ok {
  margin-bottom: 20px; padding: 12px 16px; border-radius: 8px;
  background: rgba(106,171,220,.12); border: 1px solid rgba(106,171,220,.3);
  color: var(--blue); font-size: 13px; display: flex; align-items: center; gap: 8px;
}
.cf-alert-err {
  margin-bottom: 20px; padding: 12px 16px; border-radius: 8px;
  background: rgba(180,35,24,.12); border: 1px solid rgba(180,35,24,.3);
  color: #f87171; font-size: 13px; display: flex; align-items: center; gap: 8px;
}

/* ══ CLÁUSULA LEGAL ══ */
.legal-clause {
  background: var(--dark2);
  border-top: 1px solid rgba(106,171,220,.12);
  padding: 28px 5%;
  text-align: center;
}
.legal-clause-title {
  font-size: 10px; font-weight: 800; letter-spacing: 2px;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 10px;
}
.legal-clause p {
  font-size: 11px; line-height: 1.75; color: var(--text-inv2);
  max-width: 900px; margin-inline: auto;
}
.legal-clause p strong { color: var(--text-inv); }
.legal-clause p a {
  color: var(--blue); text-decoration: underline;
  text-underline-offset: 2px; transition: color .15s;
}
.legal-clause p a:hover { color: #fff; }

/* ══ FOOTER ══ */
.pub-footer {
  background: var(--dark); border-top: 1px solid rgba(106,171,220,.12);
  padding: 32px 5%; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.pub-footer-brand { font-size: 15px; font-weight: 800; color: var(--text-inv); }
.pub-footer p     { font-size: 12px; color: var(--text-inv2); }
.pub-footer-plink {
  font-size: 12px; color: var(--text-inv2);
  text-decoration: underline; text-underline-offset: 2px; transition: color .15s;
}
.pub-footer-plink:hover { color: var(--blue); }
.pub-footer-solvia {
  color: var(--blue); text-decoration: underline; text-underline-offset: 2px;
}
.pub-footer-login {
  font-size: 12px; color: var(--text-inv2);
  display: flex; align-items: center; gap: 6px; transition: color .15s;
}
.pub-footer-login:hover { color: var(--blue); }

/* ══ TOAST ══ */
.copy-toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--dark2); border: 1px solid rgba(106,171,220,.35);
  color: var(--text-inv); font-size: 13px; font-weight: 600;
  padding: 10px 20px; border-radius: 999px;
  display: flex; align-items: center; gap: 8px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 9999;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ══ RESPONSIVE ══ */
@media (max-width: 768px) {
  .pub-nav-links     { display: none; }
  .cf-grid           { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
  .steps-row::before { display: none; }
}