/* ============================================
   ZOLYN — sistema de gestión para PYMEs
   Blanco cálido + verde elegante + madera
   ============================================ */

:root {
  /* Base */
  --blanco: #FCFBF8;
  --blanco-puro: #FFFFFF;
  --crema: #F5F3EC;
  --texto: #241F19;
  --texto-suave: #5C5546;

  /* Verde elegante */
  --verde-oscuro: #1D3F31;
  --verde: #386950;
  --verde-claro: #E6EFE7;
  --verde-linea: #C6D9C9;

  /* Madera */
  --madera: #A06B3D;
  --madera-oscura: #5A3A22;
  --madera-clara: #E7D6BC;
  --madera-veta: #8A5A32;

  /* Tipografía */
  --f-display: 'Fraunces', serif;
  --f-body: 'Inter', sans-serif;
  --f-mono: 'IBM Plex Mono', monospace;

  --radius: 14px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--blanco);
  color: var(--texto);
  font-family: var(--f-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
svg { display: block; }

::selection { background: var(--verde-claro); color: var(--verde-oscuro); }

:focus-visible {
  outline: 2px solid var(--verde);
  outline-offset: 3px;
}

.accent-text { color: var(--verde); font-style: italic; font-weight: 500; }
.muted-text { color: var(--texto-suave); }

/* ---------- Reveal on scroll ---------- */
.reveal-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal-up.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal-up { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- NAV ---------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(252, 251, 248, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
#navbar.scrolled {
  border-bottom-color: var(--verde-linea);
  box-shadow: 0 4px 24px rgba(29, 63, 49, 0.06);
}

.logo { display: flex; align-items: center; gap: 8px; }
.logo-mark { width: 58px; height: 58px; }
.logo-img { width: 100%; height: 100%; display: block; object-fit: contain; }

.nav-links { display: flex; gap: 34px; }
.nav-links a {
  font-size: 0.92rem;
  color: var(--texto-suave);
  font-weight: 500;
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: var(--verde-oscuro); }

.nav-cta {
  padding: 10px 20px;
  background: var(--verde-oscuro);
  color: var(--blanco-puro);
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background .2s, transform .2s;
}
.nav-cta:hover { background: var(--verde); transform: translateY(-1px); }

/* ---------- Language switch ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--crema);
  border: 1px solid var(--verde-linea);
  border-radius: 100px;
  margin-right: 22px;
}
.lang-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 6px 12px;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--texto-suave);
  border-radius: 100px;
  transition: background .2s, color .2s;
}
.lang-btn:hover { color: var(--verde-oscuro); }
.lang-btn.active {
  background: var(--verde-oscuro);
  color: var(--blanco-puro);
}

.lang-switch-mobile {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  margin: 0 0 8px 0;
  align-self: flex-start;
}
.lang-switch-mobile .lang-btn { color: rgba(255,255,255,0.65); }
.lang-switch-mobile .lang-btn:hover { color: var(--blanco-puro); }
.lang-switch-mobile .lang-btn.active { background: var(--madera); color: var(--blanco-puro); }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none; border: none; cursor: pointer;
}
.hamburger span {
  width: 100%; height: 2px;
  background: var(--verde-oscuro);
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: min(80vw, 340px);
  height: 100vh;
  background: var(--verde-oscuro);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 26px;
  padding: 40px;
  transform: translateX(100%);
  transition: transform .4s var(--ease);
}
.mobile-menu.open { transform: translateX(0); }
.mob-link {
  font-family: var(--f-display);
  font-size: 1.6rem;
  color: var(--blanco-puro);
  font-weight: 400;
}
.mob-cta {
  margin-top: 12px;
  padding: 14px 22px;
  background: var(--madera);
  color: var(--blanco-puro);
  border-radius: 100px;
  text-align: center;
  font-weight: 600;
  width: fit-content;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 48px 80px;
  background:
    radial-gradient(ellipse 900px 500px at 85% 0%, var(--verde-claro) 0%, transparent 60%);
}
.hero-inner { max-width: 900px; margin: 0 auto; width: 100%; }

.hero-eyebrow {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--madera-veta);
  margin-bottom: 22px;
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--madera-clara);
  border-radius: 100px;
  background: var(--blanco-puro);
}

.hero-title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 6.2vw, 5rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero-title .line { display: block; }

.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--texto-suave);
  max-width: 560px;
  margin-bottom: 38px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.btn-primary {
  padding: 15px 30px;
  background: var(--verde-oscuro);
  color: var(--blanco-puro);
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: background .2s, transform .2s, box-shadow .2s;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--verde);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(29,63,49,0.22);
}
.btn-large { padding: 18px 36px; font-size: 1.05rem; }

.btn-ghost {
  padding: 15px 30px;
  border: 1.5px solid var(--madera-clara);
  color: var(--madera-oscura);
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: border-color .2s, background .2s;
  display: inline-block;
}
.btn-ghost:hover { background: var(--madera-clara); }

.stats-bar {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid var(--verde-linea);
}
.stat-item { display: flex; flex-direction: column; }
.stat-num-row { display: inline-flex; align-items: baseline; }
.stat-n {
  font-family: var(--f-mono);
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--verde-oscuro);
}
.stat-suffix {
  font-family: var(--f-mono);
  font-size: 1.7rem;
  color: var(--verde-oscuro);
  margin-left: 1px;
}
.stat-l { font-size: 0.82rem; color: var(--texto-suave); margin-top: 2px; }
.stat-divider { width: 1px; height: 32px; background: var(--verde-linea); }

/* ---------- TRANSFORM SECTION (signature) ---------- */
.transform-section {
  padding: 40px 48px 120px;
  max-width: 1180px;
  margin: 0 auto;
}
.transform-label {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  color: var(--texto-suave);
  margin-bottom: 22px;
}

.transform-panel {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(90, 58, 34, 0.14);
}

.t-side { padding: 34px; position: relative; }

.t-ledger {
  background:
    repeating-linear-gradient(180deg, transparent, transparent 37px, var(--madera-clara) 38px),
    linear-gradient(160deg, #F1E3CC 0%, #E9D6B4 100%);
  border-right: 6px solid var(--madera);
}
.t-digital { background: var(--verde-oscuro); }

.t-tag {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--madera-oscura);
  margin-bottom: 18px;
  display: inline-block;
}
.t-tag-green { color: var(--verde-claro); }

.ledger-paper { padding-top: 4px; }
.ledger-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 38px;
  gap: 12px;
}
.hand {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--madera-oscura);
  font-size: 1.02rem;
}
.stamp {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
}
.stamp.pending { background: #fff; border: 1px dashed var(--madera-veta); color: var(--madera-veta); }
.stamp.cross { color: #A5473A; font-weight: 600; }
.ledger-scribble {
  margin-top: 10px;
  height: 3px;
  width: 60%;
  background: repeating-linear-gradient(90deg, var(--madera-veta) 0 8px, transparent 8px 12px);
  opacity: 0.5;
  border-radius: 2px;
}

.t-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blanco-puro);
  padding: 0 6px;
}
.t-arrow-badge {
  writing-mode: horizontal-tb;
  background: var(--verde);
  color: var(--blanco-puro);
  font-family: var(--f-display);
  font-style: italic;
  font-size: 0.95rem;
  padding: 10px 6px;
  border-radius: 100px;
  transform: rotate(90deg);
  white-space: nowrap;
}

.digital-card { display: flex; flex-direction: column; gap: 4px; }
.d-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.d-row:last-child { border-bottom: none; }
.d-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.d-value {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  color: var(--blanco-puro);
  display: flex;
  align-items: center;
  gap: 8px;
}
.d-value .up { font-style: normal; color: #7CD9A4; font-size: 0.78rem; }
.d-mini { color: rgba(255,255,255,0.5); font-size: 0.78rem; }
.d-row.alert .d-value { color: #F0C36B; }
.d-badge {
  font-family: var(--f-body);
  font-size: 0.68rem;
  background: rgba(240,195,107,0.18);
  color: #F0C36B;
  padding: 2px 8px;
  border-radius: 100px;
}

/* ---------- SECTION GENERIC ---------- */
.section { padding: 100px 48px; max-width: 1180px; margin: 0 auto; }
.section-header { margin-bottom: 56px; max-width: 620px; }
.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  color: var(--madera-veta);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 12px;
}
.section-header h2 {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  letter-spacing: -0.01em;
  color: var(--verde-oscuro);
}

/* ---------- MÓDULOS ---------- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.module-card {
  background: var(--blanco-puro);
  border: 1px solid var(--verde-linea);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.module-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(29,63,49,0.1);
  border-color: var(--verde);
}
.module-icon { width: 40px; height: 40px; margin-bottom: 20px; }
.module-card h3 {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--verde-oscuro);
  margin-bottom: 10px;
}
.module-card p { color: var(--texto-suave); font-size: 0.96rem; margin-bottom: 22px; }
.module-tags { display: flex; flex-direction: column; gap: 8px; }
.module-tags li {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--verde-oscuro);
  padding-left: 16px;
  position: relative;
}
.module-tags li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  background: var(--madera);
  border-radius: 50%;
}

/* ---------- PROCESO ---------- */
.proceso-section { background: var(--verde-claro); border-radius: 28px; margin: 20px 24px 100px; padding: 90px 48px; max-width: none; }
.proceso-section .section-header,
.rubros-section .section-header { max-width: 620px; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1180px;
  margin: 0 auto;
}
.step-num {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  color: var(--madera);
  margin-bottom: 14px;
}
.process-step h4 {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--verde-oscuro);
  margin-bottom: 8px;
}
.process-step p { color: var(--texto-suave); font-size: 0.92rem; }

/* ---------- RUBROS ---------- */
.rubros-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}
.rubro-card {
  background: var(--blanco-puro);
  border: 1px solid var(--verde-linea);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.rubro-icon { font-size: 1.3rem; display: block; margin-bottom: 14px; color: var(--verde-oscuro); }
.rubro-card h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--texto); }
.rubro-card p { font-size: 0.87rem; color: var(--texto-suave); }

.diff-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 24px;
  background: var(--madera-oscura);
  border-radius: var(--radius);
}
.diff-item {
  flex: 1 1 220px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--madera-clara);
  font-size: 0.88rem;
  font-weight: 500;
}
.diff-icon { font-size: 1rem; color: var(--madera-clara); width: 1.2em; text-align: center; }
.diff-item span { font-size: 1.1rem; }

/* ---------- CONTACTO ---------- */
.contact-section { text-align: center; padding: 60px 48px 130px; }
.contact-inner { max-width: 640px; margin: 0 auto; }
.contact-title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  line-height: 1.12;
  margin: 16px 0 20px;
  color: var(--verde-oscuro);
}
.contact-sub { color: var(--texto-suave); font-size: 1.05rem; margin-bottom: 34px; }
.contact-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--verde-linea);
  border-radius: 100px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--verde-oscuro);
  transition: background .2s, border-color .2s;
}
.contact-link:hover { background: var(--verde-claro); border-color: var(--verde); }
.contact-icon { font-size: 1rem; }

/* ---------- FOOTER ---------- */
footer { background: var(--verde-oscuro); padding: 50px 48px; }
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo { display: flex; align-items: center; gap: 8px; }
.footer-logo .logo-word { color: var(--blanco-puro); }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.65); transition: color .2s; }
.footer-links a:hover { color: var(--blanco-puro); }
.footer-copy { width: 100%; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.4); margin-top: 10px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .lang-switch { margin-right: 12px; }
  .modules-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .rubros-grid { grid-template-columns: repeat(2, 1fr); }
  .transform-panel { grid-template-columns: 1fr; }
  .t-arrow { padding: 14px 0; }
  .t-arrow-badge { transform: rotate(0deg); }
  .t-ledger { border-right: none; border-bottom: 6px solid var(--madera); }
  .proceso-section { margin: 20px 16px 80px; padding: 60px 28px; border-radius: 20px; }
}

@media (max-width: 640px) {
  #navbar { padding: 14px 16px; }
  .lang-switch { margin-right: 8px; }
  .lang-btn { padding: 5px 9px; font-size: 0.7rem; }
  .hero { padding: 120px 22px 60px; }
  .transform-section { padding: 20px 20px 80px; }
  .section { padding: 70px 22px; }
  .process-grid { grid-template-columns: 1fr; }
  .rubros-grid { grid-template-columns: 1fr; }
  .contact-section { padding: 40px 22px 90px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .stats-bar { gap: 20px; }
}