/* ===================================================================
   web-recursos — estilos
   Tokens tomados de "Duvan AI Design System" (dark, gold gradient)
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  /* color */
  --bg: #0c0c0c;
  --box: #111111;
  --panel-bg: #0d0d0d;
  --input-bg: #1c1c1c;
  --hairline: rgba(255, 255, 255, 0.065);
  --heading: #fafafa;
  --subtitle: #9e9e9e;
  --nav: #bcbcbc;
  --placeholder: #aeaeae;
  --msg-text: #efefef;
  --chip-fill: rgba(255, 255, 255, 0.028);
  --chip-border: rgba(255, 255, 255, 0.3);
  --grad: linear-gradient(90deg, rgba(255,232,120,0) 0%, #ffe776 6%, #ffd400 26%, #ffd000 42%, #c9c93c 60%, #86ca8a 74%, #78d0cd 88%, rgba(120,208,205,0.55) 100%);
  --grad-solid: linear-gradient(90deg, #ffe776 0%, #ffd400 22%, #ffd000 40%, #c9c93c 60%, #86ca8a 76%, #78d0cd 100%);
  --gold-1: #ffe776;
  --gold-2: #ffd400;
  --teal: #78d0cd;
  --danger: #e5674f;
  --cta-fill: #ffffff;
  --cta-hover: #ededed;
  --text-on-cta: #0c0c0c;

  /* type */
  --font-body: 'Inter', 'Helvetica Neue', Arial, system-ui, sans-serif;
  --text-display-xl: clamp(2rem, 5.263vw, 3.4rem);
  --text-display-lg: clamp(1.6rem, 4.1vw, 2.4rem);
  --text-display-md: clamp(1.25rem, 2.6vw, 1.6rem);
  --text-body-lg: clamp(0.95rem, 1.435vw, 1.15rem);
  --text-body: clamp(0.875rem, 1.12vw, 1rem);
  --text-body-sm: 0.875rem;
  --text-caption: 0.75rem;
  --leading-display: 1.1;
  --leading-normal: 1.5;
  --tracking-display: -0.021em;

  /* space / radius */
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --radius-sm: 12px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  --max-width: 720px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--msg-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: var(--gold-1); }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.eyebrow {
  font-weight: 500;
  font-size: var(--text-body-sm);
  letter-spacing: 0.02em;
  color: var(--nav);
  margin-bottom: 14px;
}

h1.title {
  font-weight: 600;
  font-size: var(--text-display-lg);
  letter-spacing: var(--tracking-display);
  color: var(--heading);
  line-height: var(--leading-display);
  margin: 0;
}

.subtitle {
  color: var(--subtitle);
  font-size: var(--text-body-lg);
  line-height: 1.4;
  margin: 14px 0 0;
}

.rule {
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  margin: 24px 0 36px;
  border: none;
}

/* ---- cards / grid ---- */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 620px) {
  .grid.grid-2 { grid-template-columns: 1fr 1fr; }
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.028), rgba(255,255,255,0) 42%), var(--box);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-cover {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  cursor: pointer;
}

.card-body { padding: var(--space-5); }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--chip-border);
  background: var(--chip-fill);
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--heading);
  margin-bottom: 12px;
}

.card-title {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--heading);
  margin: 0 0 8px;
  line-height: 1.3;
}

.card-desc {
  color: var(--subtitle);
  font-size: var(--text-body-sm);
  line-height: 1.5;
  margin: 0 0 18px;
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-body);
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-light {
  background: var(--cta-fill);
  color: var(--text-on-cta);
}
.btn-light:hover { background: var(--cta-hover); }
.btn-accent {
  background: var(--grad-solid);
  color: #0c0c0c;
}
.btn-accent:hover { opacity: 0.92; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--chip-border);
  color: var(--heading);
}
.btn-block { width: 100%; }

/* ---- form / inputs ---- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.field label { font-size: var(--text-body-sm); color: var(--nav); font-weight: 500; }
.field input {
  background: var(--input-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--heading);
  font-family: var(--font-body);
  font-size: var(--text-body);
  outline: none;
}
.field input::placeholder { color: var(--placeholder); }
.field input:focus { border-color: var(--chip-border); }
.field .error { color: var(--danger); font-size: var(--text-caption); display: none; }
.field.has-error input { border-color: var(--danger); }
.field.has-error .error { display: block; }

.phone-field { display: flex; gap: 8px; }
.phone-field .phone-code {
  flex: 0 0 auto;
  width: 92px;
  background: var(--input-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 13px 8px;
  color: var(--heading);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  outline: none;
}
.phone-field .phone-code:focus { border-color: var(--chip-border); }
.phone-field input { flex: 1 1 auto; min-width: 0; }
.field.has-error .phone-field .phone-code,
.field.has-error .phone-field input { border-color: var(--danger); }

.form-status {
  font-size: var(--text-body-sm);
  color: var(--subtitle);
  margin-top: 10px;
  min-height: 1.2em;
}
.form-status.ok { color: var(--teal); }
.form-status.err { color: var(--danger); }

/* ---- modal ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  padding: 0;
}
.modal-overlay.open { display: flex; }
@media (min-width: 620px) {
  .modal-overlay { align-items: center; }
}
.modal {
  width: 100%;
  max-width: 460px;
  background: var(--panel-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-6) var(--space-5) var(--space-7);
  box-shadow: var(--shadow-card);
  animation: modal-in 0.22s ease;
  position: relative;
  overflow: hidden;
}
.modal::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-solid);
}
@media (min-width: 620px) {
  .modal { border-radius: var(--radius-lg); }
}
@keyframes modal-in {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.modal-close {
  position: absolute; top: 18px; right: 18px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--chip-fill);
  color: var(--heading);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.modal h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 6px;
  padding-right: 40px;
}
.modal .modal-subtitle {
  color: var(--subtitle);
  font-size: var(--text-body-sm);
  margin: 0 0 22px;
}

/* ---- unlocked / gracias ---- */
.pill { font-size: var(--text-caption); color: var(--teal); font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; margin-bottom: 10px; }
.section-sep { height: 1px; background: var(--hairline); margin: 48px 0; border: none; }

.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 22px;
}
@media (max-width: 480px) {
  .mini-grid { grid-template-columns: 1fr; }
}
.mini-card {
  background: var(--box);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.mini-card .icon { font-size: 26px; margin-bottom: 10px; }
.mini-card .card-title { font-size: 0.95rem; }
.mini-card .card-desc { font-size: var(--text-caption); margin-bottom: 14px; }
.mini-card .btn { padding: 10px 16px; font-size: var(--text-body-sm); }

.venta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}
@media (max-width: 560px) {
  .venta-grid { grid-template-columns: 1fr; }
}
.venta-card {
  background: var(--box);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.venta-card .price { font-size: 2rem; font-weight: 600; color: var(--heading); margin: 4px 0 4px; }
.venta-card .price small { font-size: 0.9rem; color: var(--subtitle); font-weight: 400; }

.doc-preview {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--box);
  border: 1px dashed var(--hairline);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--subtitle);
  font-size: var(--text-body-sm);
  text-align: center;
  padding: 20px;
}

footer.site-footer {
  text-align: center;
  color: var(--subtitle);
  font-size: var(--text-caption);
  padding: 40px 20px;
}

.floating-cta {
  position: fixed;
  bottom: 18px; right: 18px;
  z-index: 50;
  border-radius: var(--radius-pill);
  padding: 14px 22px;
  background: var(--grad-solid);
  color: #0c0c0c;
  font-weight: 600;
  font-size: var(--text-body-sm);
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.floating-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

.skeleton { color: var(--subtitle); text-align: center; padding: 60px 20px; }