/* ═══════════════════════════════════════════════════════════
   PYMELAB — STYLES
   Dark industrial theme · Professional B2B
═══════════════════════════════════════════════════════════ */

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0b0d12;
  --bg-2:      #111318;
  --bg-3:      #191c25;
  --bg-4:      #1f2230;
  --border:    #252a38;
  --border-2:  #2e3446;

  --accent:       #f0a500;
  --accent-dark:  #c98900;
  --accent-glow:  rgba(240, 165, 0, 0.15);

  --blue:      #3d7df5;
  --green:     #22c55e;
  --red:       #ef4444;

  --text:      #eef0f5;
  --text-2:    #8896aa;
  --text-3:    #4a5568;

  --radius:    12px;
  --radius-sm: 6px;
  --radius-lg: 20px;

  --shadow:    0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.7);

  --font: 'Inter', system-ui, -apple-system, sans-serif;

  --nav-h: 68px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ─── CONTAINER ─── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── SECTION SHARED ─── */
.section { padding: 6rem 0; }

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-title--left { text-align: left; }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--lg { padding: 0.9rem 2rem; font-size: 1rem; }
.btn--full { width: 100%; }

.btn--accent {
  background: var(--accent);
  color: #0b0d12;
}
.btn--accent:hover {
  background: #fdb92a;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(240, 165, 0, 0.35);
}
.btn--accent:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-2);
}
.btn--ghost:hover {
  border-color: var(--text-3);
  background: var(--bg-3);
}

.btn--outline {
  background: transparent;
  color: var(--text-2);
  border: 1.5px solid var(--border);
}
.btn--outline:hover {
  border-color: var(--border-2);
  color: var(--text);
  background: var(--bg-3);
}

/* Spinner inside button */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #0b0d12;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn--loading .btn-text { opacity: 0; }
.btn--loading .btn-spinner { display: block; position: absolute; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── TEXT ACCENT ─── */
.text-accent { color: var(--accent); }


/* ══════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(11, 13, 18, 0.97);
}

.navbar__inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-svg {
  display: block;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.navbar__logo:hover .logo-svg {
  transform: rotate(-4deg) scale(1.05);
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
}
.navbar__links a:hover { color: var(--text); }

.navbar__cta { margin-left: 1rem; }

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.navbar__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.navbar__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__burger.open span:nth-child(2) { opacity: 0; }
.navbar__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.navbar__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
}
.navbar__mobile.open { display: flex; }

.mobile-link {
  padding: 0.85rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--text); }
.mobile-cta { margin-top: 1.25rem; }


/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 6rem;
  overflow: hidden;
  background: var(--bg);
}

/* Subtle blueprint grid */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  pointer-events: none;
}

/* Amber glow blob */
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(240,165,0,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 30px;
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 2rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 4px var(--green); }
  50% { box-shadow: 0 0 10px var(--green); }
}

.hero__headline {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: 900px;
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4rem;
}

.hero__proof {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.proof-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.proof-label {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
  margin-top: 2px;
}

.proof-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}


/* ══════════════════════════════════════════════════════════
   EL PROBLEMA
══════════════════════════════════════════════════════════ */
.problema {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.problem-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.problem-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.problem-icon {
  width: 52px;
  height: 52px;
  background: var(--bg-4);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.problem-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

.problema__conclusion {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(240,165,0,0.06), rgba(240,165,0,0.02));
  border: 1px solid rgba(240,165,0,0.2);
  border-radius: var(--radius);
  max-width: 680px;
  margin: 0 auto;
}

.problema__conclusion p {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}


/* ══════════════════════════════════════════════════════════
   CATÁLOGO
══════════════════════════════════════════════════════════ */
.catalogo { background: var(--bg); }

.catalogo__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* Product card base */
.product-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Active product */
.product-card--active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(240,165,0,0.15), var(--shadow);
  position: relative;
}

.product-card--active:hover {
  box-shadow: 0 0 0 1px rgba(240,165,0,0.3), 0 20px 60px rgba(0,0,0,0.6);
}

/* Soon cards */
.product-card--soon {
  opacity: 0.6;
}
.product-card--soon:hover {
  opacity: 0.8;
  border-color: var(--border-2);
}

.product-card__header {
  padding: 1.75rem 1.75rem 0;
}

.product-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 30px;
  padding: 3px 12px;
  margin-bottom: 1.25rem;
}

.product-badge--launch {
  background: rgba(240, 165, 0, 0.12);
  color: var(--accent);
  border: 1px solid rgba(240,165,0,0.3);
}

.product-badge--soon {
  background: var(--bg-3);
  color: var(--text-3);
  border: 1px solid var(--border);
}

.product-icon {
  width: 56px;
  height: 56px;
  background: rgba(240,165,0,0.08);
  border: 1px solid rgba(240,165,0,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.product-icon--dim {
  background: var(--bg-3);
  border-color: var(--border);
  color: var(--text-3);
}

.product-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
  padding-bottom: 1.5rem;
}

/* Includes list */
.product-card__includes {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
}

.includes-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-3);
  margin-bottom: 0.85rem;
}

.includes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.includes-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-2);
}

.includes-list svg { flex-shrink: 0; }

/* Footer */
.product-card__footer {
  padding: 1.5rem 1.75rem 1.75rem;
  margin-top: auto;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.03em;
}

.price-type {
  font-size: 0.82rem;
  color: var(--text-3);
  font-weight: 500;
}

.product-price--dim .price-amount { color: var(--text-3); }

.product-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 0.85rem;
}


/* ══════════════════════════════════════════════════════════
   PARA QUIÉN ES
══════════════════════════════════════════════════════════ */
.para-quien {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.persona-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}

.persona-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.persona-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-4);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 1.25rem;
}

.persona-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.persona-card > p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.persona-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.persona-points li {
  font-size: 0.82rem;
  color: var(--text-3);
  padding-left: 0.85rem;
  position: relative;
}

.persona-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.para-quien__note {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--bg-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.note-icon { color: var(--text-3); flex-shrink: 0; padding-top: 2px; }

.para-quien__note p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

.para-quien__note strong { color: var(--text); }


/* ══════════════════════════════════════════════════════════
   LISTA DE ESPERA
══════════════════════════════════════════════════════════ */
.lista-espera { background: var(--bg); }

.lista-espera__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.lista-espera__copy .section-label { text-align: left; }

.lista-espera__desc {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.lista-espera__benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lista-espera__benefits li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-2);
  font-weight: 500;
}

.lista-espera__benefits svg { flex-shrink: 0; }

/* Form wrap */
.lista-espera__form-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.form-group input {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}

.form-group input::placeholder { color: var(--text-3); }

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240,165,0,0.12);
}

.form-group input.input-error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-error {
  font-size: 0.78rem;
  color: var(--red);
  min-height: 1em;
}

.form-legal {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 0.25rem;
}

/* Success state */
.waitlist-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 1rem 0;
}

.waitlist-success.visible { display: flex; }

.success-icon {
  animation: pop-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes pop-in {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.waitlist-success h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
}

.waitlist-success p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  max-width: 320px;
}


/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr auto;
  gap: 3rem;
  align-items: start;
  padding: 3rem 1.5rem 2.5rem;
}

.footer__brand .navbar__logo {
  margin-bottom: 0.75rem;
}

.footer__brand p {
  font-size: 0.85rem;
  color: var(--text-3);
  max-width: 280px;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--text); }

.footer__contact a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.2s;
}
.footer__contact a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.footer__bottom p {
  font-size: 0.78rem;
  color: var(--text-3);
  text-align: center;
}


/* ══════════════════════════════════════════════════════════
   SCROLL REVEAL ANIMATION
══════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }


/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .catalogo__grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-card--active {
    grid-column: 1 / -1;
  }

  .personas-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }

  /* Navbar */
  .navbar__links { display: none; }
  .navbar__cta { display: none; }
  .navbar__burger { display: flex; }

  /* Hero */
  .hero { padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 4rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__proof { gap: 1.25rem; }
  .proof-divider { display: none; }

  /* Catálogo */
  .catalogo__grid {
    grid-template-columns: 1fr;
  }

  /* Personas */
  .personas-grid { grid-template-columns: 1fr; }

  /* Lista espera */
  .lista-espera__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  .hero__headline { font-size: 1.9rem; }
  .lista-espera__form-wrap { padding: 1.5rem; }
}