/* ================================================================
   CATÁLOGO ABITIA · Cerramientos y Automatización
   Identidad: Salmerón Design System · Submarca Abitia (Green Oxide)
   ================================================================ */

@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('fonts/TASAOrbiter-Regular.ttf') format('truetype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('fonts/TASAOrbiter-Medium.ttf') format('truetype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('fonts/TASAOrbiter-SemiBold.ttf') format('truetype');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('fonts/TASAOrbiter-Bold.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('fonts/TASAOrbiter-ExtraBold.ttf') format('truetype');
  font-weight: 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Raleway';
  src: url('fonts/Raleway-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Paleta Salmerón */
  --corten:        #eb5e50;
  --iron:          #212122;
  --iron-deep:     #1a1a1b;
  --iron-elevated: #2a2a2c;
  --steel:         #20314b;
  --green-oxide:   #233c39;   /* color Abitia */
  --green-deep:    #1a2d2a;
  --green-light:   #7ba89f;
  --bronze:        #47313b;
  --off-white:     #f5f4f2;
  --white:         #ffffff;
  --silver:        rgba(255,255,255,0.72);
  --silver-muted:  rgba(255,255,255,0.48);
  --silver-ghost:  rgba(255,255,255,0.32);

  --font-display:  'TASA Orbiter Display', 'Barlow', 'Arial Black', sans-serif;
  --font-body:     'Raleway', Arial, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--iron);
  background: #e8e6e2;
  -webkit-font-smoothing: antialiased;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

/* ====== Página A4 ====== */
.page {
  width: 210mm;
  height: 297mm;
  margin: 14mm auto;
  background: var(--off-white);
  position: relative;
  overflow: hidden;
  page-break-after: always;
  break-after: page;
  box-shadow: 0 8px 40px rgba(0,0,0,0.15);
}
.page:last-child { page-break-after: auto; }

/* ====== Cabecera y pie comunes ====== */
.page-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 22mm;
  padding: 8mm 14mm 0 14mm;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 5;
}
.page-header .header-mark {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-header .header-mark svg { height: 22px; width: auto; }
.page-header .header-mark .wm {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--green-oxide);
}
.page-header .header-section {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-oxide);
  opacity: 0.6;
}
.page-header .header-rule {
  position: absolute;
  bottom: 0;
  left: 14mm; right: 14mm;
  height: 1px;
  background: var(--green-oxide);
  opacity: 0.15;
}

.page-footer {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 14mm;
  padding: 0 14mm;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 5;
}
.page-footer .endorse {
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 8px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--green-oxide);
  opacity: 0.55;
  line-height: 1.4;
}
.page-footer .endorse .name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.10em;
  opacity: 1;
}
.page-footer .page-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 11px;
  color: var(--green-oxide);
  letter-spacing: 0.05em;
}
.page-footer .page-num span {
  color: var(--corten);
  font-weight: 700;
}

/* ====== Contenido ====== */
.page-body {
  position: absolute;
  top: 22mm;
  left: 14mm;
  right: 14mm;
  bottom: 14mm;
  display: flex;
  flex-direction: column;
}

/* ============== TIPOGRAFÍA ============== */
.kicker {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--corten);
  margin-bottom: 8px;
}
.section-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  color: var(--corten);
  letter-spacing: 0.08em;
  display: inline-block;
}
h1.title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--green-oxide);
  margin-bottom: 6mm;
}
h1.title-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 64px;
  line-height: 0.98;
  letter-spacing: -0.015em;
  color: var(--green-oxide);
}
h2.subtitle {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  color: var(--green-oxide);
  margin-bottom: 4mm;
}
h3.feature-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--green-oxide);
  margin-bottom: 2mm;
  letter-spacing: -0.005em;
}
p.lead {
  font-size: 12px;
  line-height: 1.65;
  color: var(--iron);
  font-weight: 400;
}
p.body {
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--iron);
  margin-bottom: 2.5mm;
}
.body-strong { font-weight: 600; color: var(--green-oxide); }

/* Listas con bullets corten */
ul.feat {
  list-style: none;
  padding: 0;
}
ul.feat li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 1.8mm;
  font-size: 10px;
  line-height: 1.55;
  color: var(--iron);
}
ul.feat li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 5px; height: 5px;
  background: var(--corten);
  border-radius: 0;
  transform: rotate(45deg);
}
ul.feat li strong {
  color: var(--green-oxide);
  font-weight: 600;
}

/* Chips y etiquetas */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  background: rgba(35, 60, 57, 0.10);
  color: var(--green-oxide);
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.chip-corten {
  background: rgba(235, 94, 80, 0.12);
  color: var(--corten);
}

/* Marcos de imagen */
.img-frame {
  border-radius: 3px;
  overflow: hidden;
  background: var(--green-deep);
  position: relative;
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.img-caption {
  position: absolute;
  bottom: 0; left: 0;
  background: var(--green-oxide);
  color: var(--white);
  padding: 4px 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

/* Cajas destacadas */
.callout {
  background: var(--green-oxide);
  color: var(--white);
  padding: 6mm;
  border-radius: 3px;
  position: relative;
}
.callout h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 2mm;
  color: var(--white);
}
.callout p {
  font-size: 10px;
  line-height: 1.55;
  color: rgba(255,255,255,0.85);
}
.callout-light {
  background: rgba(35, 60, 57, 0.07);
  color: var(--iron);
  border-left: 3px solid var(--corten);
  padding: 5mm 6mm;
  border-radius: 0;
}
.callout-light h3 { color: var(--green-oxide); margin-bottom: 2mm; font-size: 12px; font-family: var(--font-display); font-weight: 700; }
.callout-light p { color: var(--iron); font-size: 10px; line-height: 1.55; }

/* Watermark isotipo grande de fondo */
.watermark-A {
  position: absolute;
  right: -120px;
  bottom: -100px;
  width: 600px;
  height: 600px;
  opacity: 0.04;
  pointer-events: none;
  z-index: 1;
}
.watermark-A svg { width: 100%; height: 100%; }

/* PORTADA */
.cover {
  background: var(--green-oxide);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 30%, rgba(123,168,159,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 90% 70% at 80% 80%, rgba(35,60,57,0.6) 0%, transparent 70%);
  z-index: 1;
}
.cover-inner {
  position: relative;
  z-index: 3;
  height: 100%;
  padding: 24mm 18mm;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cover-iso {
  position: absolute;
  right: -180px;
  top: 60mm;
  width: 700px;
  height: 700px;
  opacity: 0.10;
  z-index: 2;
}
.cover-iso svg { width: 100%; height: 100%; }
.cover-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.cover-mark .name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 38px;
  letter-spacing: -0.015em;
  line-height: 1;
  color: var(--white);
}
.cover-mark .descriptor {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-top: 4px;
  opacity: 0.9;
}
.cover-ref {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  text-align: right;
  line-height: 1.5;
}
.cover-ref strong { color: var(--corten); display: block; font-family: var(--font-display); font-size: 13px; letter-spacing: 0.10em; }

.cover-mid {
  position: relative;
  z-index: 4;
  margin-top: auto;
  margin-bottom: 24mm;
}
.cover-mid .kicker {
  color: var(--corten);
  font-size: 11px;
}
.cover-mid h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 88px;
  line-height: 0.92;
  letter-spacing: -0.025em;
  color: var(--white);
  margin: 4mm 0;
}
.cover-mid h1 .alt {
  color: var(--corten);
  display: block;
}
.cover-mid .tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  color: rgba(255,255,255,0.78);
  font-style: italic;
  margin-top: 8mm;
  max-width: 110mm;
  line-height: 1.35;
}

.cover-bottom {
  position: relative;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 5mm;
}
.cover-bottom .endorse-block {
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 8px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}
.cover-bottom .endorse-block strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.10em;
  color: var(--white);
  opacity: 1;
}
.cover-bottom .web {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--white);
  text-align: right;
}

/* ÍNDICE */
.toc-page { background: var(--off-white); }
.toc-list {
  margin-top: 8mm;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.toc-item {
  display: flex;
  align-items: baseline;
  padding: 4mm 0;
  border-bottom: 1px solid rgba(35,60,57,0.12);
  gap: 4mm;
}
.toc-item .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--corten);
  width: 14mm;
  letter-spacing: 0.05em;
}
.toc-item .name {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--green-oxide);
  letter-spacing: -0.005em;
}
.toc-item .dots {
  flex: 1;
  border-bottom: 1px dotted rgba(35,60,57,0.30);
  margin: 0 4mm;
  margin-bottom: 4px;
}
.toc-item .pgn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--green-oxide);
}
.toc-item.sub .num { width: 14mm; padding-left: 4mm; }
.toc-item.sub .name { font-size: 13px; font-weight: 500; opacity: 0.85; }

/* GRIDS de CONTENIDO */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6mm; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5mm; }

/* INTRODUCCIÓN sección */
.section-opener {
  background: var(--green-oxide);
  color: var(--white);
}
.section-opener .page-header .header-mark .wm,
.section-opener .page-header .header-section,
.section-opener .page-footer .endorse,
.section-opener .page-footer .page-num { color: var(--white); }
.section-opener .page-header .header-rule { background: var(--white); opacity: 0.12; }
.section-opener .page-footer .endorse .name { color: var(--white); }
.section-opener .page-footer .page-num span { color: var(--corten); }

.opener-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.opener-content .section-num-big {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 200px;
  line-height: 0.85;
  color: var(--corten);
  letter-spacing: -0.04em;
  margin-bottom: 4mm;
  opacity: 0.95;
}
.opener-content h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 6mm;
  max-width: 120mm;
}
.opener-content .lead-white {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255,255,255,0.85);
  max-width: 130mm;
  font-weight: 400;
}
.section-opener .watermark-A { opacity: 0.07; }
.section-opener .watermark-A svg path { fill: var(--white) !important; }

/* CONTRAPORTADA */
.back-cover {
  background: var(--green-oxide);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.back-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 70% at 50% 30%, rgba(123,168,159,0.15) 0%, transparent 60%);
  z-index: 1;
}
.back-inner {
  position: relative;
  z-index: 3;
  height: 100%;
  padding: 24mm 18mm;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.back-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-top: 20mm;
}
.back-mark svg { width: 90px; height: auto; margin-bottom: 6mm; }
.back-mark .name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 56px;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--white);
}
.back-mark .descriptor {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-top: 6px;
}
.back-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  text-align: center;
  color: var(--corten);
  margin-top: 12mm;
}
.back-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10mm;
  margin-top: 14mm;
  padding: 8mm 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.back-contact .col h4 {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--corten);
  margin-bottom: 3mm;
}
.back-contact .col p {
  font-family: var(--font-body);
  font-size: 11px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1mm;
}
.back-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
}
.back-endorse {
  font-family: var(--font-body);
  font-size: 8px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}
.back-endorse strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.10em;
  color: var(--white);
  display: block;
}
.back-ref {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.40);
  text-align: right;
  line-height: 1.5;
}

/* PRINT */
@media print {
  body { background: white; padding: 0; }
  .page {
    margin: 0;
    box-shadow: none;
  }
}

/* Pantalla — navegación */
@media screen {
  body {
    padding: 24px 0;
    background: #d8d6d2;
  }
  .page {
    transition: transform 0.2s ease;
  }
}

/* Responsive — móvil/tablet: escalar páginas A4 al ancho disponible */
@media screen and (max-width: 900px) {
  body {
    padding: 12px 0;
    overflow-x: hidden;
  }
  .page {
    /* Escalar la página A4 al ancho del viewport conservando proporción */
    transform: scale(calc((100vw - 24px) / 794));
    transform-origin: top center;
    margin: 0 auto;
    /* Compensar el espacio vertical perdido por el scale */
    margin-bottom: calc((297mm * (100vw - 24px) / 794) - 297mm + 12px);
  }
  .page:first-of-type {
    margin-top: 0;
  }
}

/* Helpers de layout específicos */
.full-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.dark-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(35,60,57,0.40) 0%, rgba(35,60,57,0.85) 100%);
  z-index: 1;
}

.value-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 4mm;
  border-top: 1px solid rgba(35,60,57,0.15);
  border-bottom: 1px solid rgba(35,60,57,0.15);
}
.value-strip .v {
  padding: 3mm 0;
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 500;
  color: var(--iron);
  letter-spacing: 0.04em;
  position: relative;
}
.value-strip .v::before {
  content: "·";
  color: var(--corten);
  margin-right: 6px;
  font-weight: 700;
}