/* ========================================================================
   ECOHOME PAPELES — hoja de estilos
   Paleta derivada del logo: azul marino de la silueta + verde del trazo.
   El kraft (papel reciclado) aparece como acento de textura, no decorativo.
   La línea perforada (motivo de la hoja de papel tissue) es el elemento
   distintivo recurrente del sitio.
   ======================================================================== */

:root {
  --navy: #1c1856;
  --navy-deep: #100d38;
  --green: #4fb84a;
  --green-deep: #368a33;
  --kraft: #b08a63;
  --kraft-pale: #e9dcc9;
  --paper: #f7f4ee;
  --paper-dim: #efeadf;
  --ink: #23212f;
  --ink-soft: #5b5868;
  --white: #ffffff;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 4px;
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-deep);
  margin: 0 0 0.4em;
  line-height: 1.12;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-deep);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--green);
  display: inline-block;
}

/* ---------- Motivo distintivo: la línea perforada ---------- */
.perf {
  height: 3px;
  background-color: var(--kraft);
  -webkit-mask-image: radial-gradient(circle 3.4px at 9px 1.5px, transparent 3.4px, black 3.6px);
  mask-image: radial-gradient(circle 3.4px at 9px 1.5px, transparent 3.4px, black 3.6px);
  -webkit-mask-repeat: repeat-x;
  mask-repeat: repeat-x;
  -webkit-mask-size: 18px 3px;
  mask-size: 18px 3px;
  width: 100%;
}
.perf.on-navy { background-color: rgba(255,255,255,0.35); }
.perf.on-green { background-color: rgba(255,255,255,0.4); }

/* ---------- Header / navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 238, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(28, 24, 86, 0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.main-nav a:hover, .main-nav a.active { color: var(--navy-deep); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--green);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green); color: var(--white); }
.btn-primary:hover { background: var(--green-deep); }
.btn-outline { background: transparent; border-color: var(--navy); color: var(--navy-deep); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-whatsapp { background: #1c1856; color: #fff; }
.btn-whatsapp:hover { background: #100d38; }

.nav-toggle {
  display: none;
  background: none; border: none;
  font-size: 1.6rem;
  color: var(--navy-deep);
  cursor: pointer;
}

/* ---------- Hero (home) ---------- */
.hero {
  padding: 72px 0 56px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 0.5em; }
.hero .lede {
  font-size: 1.14rem;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-ctas { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.hero-figure {
  position: relative;
  background: var(--navy);
  border-radius: 10px;
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-figure img {
  border-radius: 6px;
  box-shadow: 0 30px 60px -20px rgba(16,13,56,0.55);
}
.tag {
  position: absolute;
  background: var(--paper);
  color: var(--navy-deep);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  padding: 10px 14px 10px 22px;
  border-radius: 3px;
  box-shadow: 0 12px 24px -8px rgba(0,0,0,0.35);
  transform: rotate(-3deg);
}
.tag::before {
  content: "";
  position: absolute;
  left: 9px; top: 50%;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--navy);
  transform: translateY(-50%);
  box-shadow: 0 0 0 2px var(--paper);
}
.tag strong { display: block; color: var(--green-deep); font-size: 0.86rem; }
.tag-top { top: -18px; left: -18px; }
.tag-bottom { bottom: -18px; right: -14px; }

/* ---------- Franja de razones ---------- */
.reasons {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0;
}
.reasons h2 { color: var(--white); }
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}
.reason .num {
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.reason h3 { color: var(--white); }
.reason p { color: rgba(255,255,255,0.72); margin: 0; }

/* ---------- Secciones genéricas ---------- */
.section { padding: 76px 0; }
.section-narrow { max-width: 68ch; }
.section-head { margin-bottom: 40px; }

.page-hero {
  padding: 56px 0 40px;
  background: var(--paper-dim);
}
.page-hero .eyebrow { margin-bottom: 10px; }
.page-hero p.lede { color: var(--ink-soft); max-width: 62ch; font-size: 1.06rem; }

/* ---------- Productos ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 44px;
}
.product-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(28,24,86,0.08);
  display: flex;
  flex-direction: column;
}
.product-photo {
  background: var(--paper-dim);
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}
.product-photo img { max-height: 220px; width: auto; }
.product-photo.placeholder {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
}
.product-body { padding: 28px 30px 30px; flex: 1; display: flex; flex-direction: column; }
.product-body .kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-deep);
}
.product-specs {
  list-style: none;
  padding: 0; margin: 18px 0 22px;
  border-top: 1px solid rgba(28,24,86,0.1);
}
.product-specs li {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid rgba(28,24,86,0.1);
  font-size: 0.92rem;
}
.product-specs li span:first-child { color: var(--ink-soft); }
.product-specs li span:last-child { font-family: var(--font-mono); font-weight: 500; }
.product-body .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Nosotros ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 8px;
}
.stat {
  border-left: 3px solid var(--green);
  padding-left: 18px;
}
.stat .n {
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--navy-deep);
  display: block;
}
.stat .l { color: var(--ink-soft); font-size: 0.92rem; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split img { border-radius: 8px; }

.timeline-note {
  background: var(--kraft-pale);
  border-radius: 8px;
  padding: 28px 30px;
  margin-top: 30px;
}
.timeline-note p:last-child { margin-bottom: 0; }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  margin-top: 40px;
  align-items: start;
}
.contact-info .item {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(28,24,86,0.1);
}
.contact-info .item .ico {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.contact-info .item strong { display: block; color: var(--navy-deep); font-size: 0.92rem; }
.contact-info .item span, .contact-info .item a { color: var(--ink-soft); font-size: 0.94rem; }

.whatsapp-box {
  margin-top: 26px;
  background: var(--navy);
  border-radius: 8px;
  padding: 26px 28px;
  color: var(--white);
}
.whatsapp-box p { color: rgba(255,255,255,0.75); font-size: 0.92rem; }

.form-card {
  background: var(--white);
  border: 1px solid rgba(28,24,86,0.08);
  border-radius: 8px;
  padding: 34px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-deep);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(28,24,86,0.18);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
  border-color: var(--green);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 4px; }
.form-status {
  padding: 14px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 18px;
  display: none;
}
.form-status.show { display: block; }
.form-status.ok { background: #e6f4e5; color: var(--green-deep); }
.form-status.err { background: #fbe7e7; color: #a53434; }

/* ---------- CTA final ---------- */
.cta-band {
  background: var(--green);
  color: var(--white);
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { color: var(--white); margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 26px; }
.cta-band .btn-outline { border-color: #fff; color: #fff; }
.cta-band .btn-outline:hover { background: #fff; color: var(--green-deep); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { height: 34px; }
.footer-brand span { font-family: var(--font-display); color: var(--white); font-size: 1.1rem; }
.site-footer h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.site-footer a { color: rgba(255,255,255,0.7); display: block; margin-bottom: 8px; font-size: 0.92rem; }
.site-footer a:hover { color: var(--green); }
.footer-bottom {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  bottom: 22px; right: 22px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 12px 26px -8px rgba(0,0,0,0.4);
  z-index: 60;
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.06); background: var(--green-deep); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .reasons-grid { grid-template-columns: 1fr; gap: 30px; }
  .products-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .main-nav { position: fixed; top: 76px; left: 0; right: 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; padding: 20px 28px;
    border-bottom: 1px solid rgba(28,24,86,0.1); display: none; gap: 18px; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

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