/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --ink: #0B0F14;
  --ink-soft: #141A21;
  --paper: #F4F5F2;
  --paper-alt: #EAEBE5;
  --graphite: #20242A;
  --graphite-soft: #6B7178;
  --line: #DAD8D0;
  --line-dark: rgba(244, 245, 242, 0.14);
  --sicap: #348ACA;
  --sicap-light: #89BBE0;
  --sicap-on-light: #235E89;
  --white: #FFFFFF;
  --kaidoc: #C33AFC;
  --kaidoc-navy: #0A1972;
  --kailiving: #2563EB;
  --kailiving-slate: #475569;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 3px;
  --ease: cubic-bezier(.16, .84, .44, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--graphite);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sicap-on-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1.5px;
  background: var(--sicap-on-light);
  display: inline-block;
}

.on-dark .eyebrow,
.on-dark .eyebrow::before {
  color: var(--sicap-light);
  background: var(--sicap-light);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--sicap);
  color: var(--ink);
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  z-index: 200;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color .2s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--sicap);
  color: var(--ink);
  border-color: var(--sicap);
  font-weight: 500;
}

.btn-primary:hover {
  background: var(--sicap-light);
  border-color: var(--sicap-light);
}

.btn-outline {
  border-color: var(--line-dark);
  color: inherit;
}

.on-light .btn-outline {
  border-color: var(--graphite-soft);
  color: var(--graphite);
}

.on-dark .btn-outline {
  border-color: rgba(244, 245, 242, 0.35);
  color: var(--paper);
}

.on-dark .btn-outline:hover {
  border-color: var(--sicap-light);
  color: var(--sicap-light);
}

.on-light .btn-outline:hover {
  border-color: var(--sicap-on-light);
  color: var(--sicap-on-light);
}

/* blueprint grid texture for dark sections */
.grid-tex {
  background-image:
    repeating-linear-gradient(0deg, rgba(216, 180, 99, 0.055) 0, rgba(216, 180, 99, 0.055) 1px, transparent 1px, transparent 42px),
    repeating-linear-gradient(90deg, rgba(216, 180, 99, 0.055) 0, rgba(216, 180, 99, 0.055) 1px, transparent 1px, transparent 42px);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease);
}

.site-header.scrolled {
  border-bottom-color: var(--line-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
}

.wordmark-logo {
  height: 36px;
  width: auto;
  display: block;
}

.wordmark .nit {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--graphite-soft);
  letter-spacing: 0.05em;
}

.footer-logo {
  height: 30px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav ul {
  display: flex;
  gap: 28px;
}

.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--paper);
  text-decoration: none;
  opacity: 0.78;
  transition: opacity .2s;
}

.main-nav a:hover {
  opacity: 1;
  color: var(--sicap-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--paper);
  position: relative;
  transition: .2s;
}

.nav-toggle span::before {
  position: absolute;
  top: -7px;
}

.nav-toggle span::after {
  position: absolute;
  top: 7px;
}

@media (max-width:860px) {
  .main-nav ul {
    display: none;
  }

  .main-nav.open ul {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ink-soft);
    padding: 8px var(--gutter) 20px;
    border-bottom: 1px solid var(--line-dark);
  }

  .main-nav.open ul a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: relative;
  }

  .header-cta {
    display: none;
  }
}

/* ============================================================
   HERO — asimétrico, tesis de la página
   ============================================================ */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(64px, 10vw, 120px) 0 clamp(56px, 8vw, 96px);
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.35rem);
  line-height: 1.08;
  margin-top: 22px;
  margin-bottom: 22px;
  color: var(--paper);
}

.hero h1 em {
  font-style: normal;
  color: var(--sicap-light);
}

.hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: #C7CBD1;
  max-width: 52ch;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-diagram {
  position: relative;
}

.hero-diagram svg {
  width: 100%;
  height: auto;
  max-width: 320px;
  margin: 0 auto;
}

.diagram-caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--graphite-soft);
  text-align: center;
  margin-top: 14px;
  letter-spacing: 0.03em;
}

@media (max-width:900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-diagram {
    order: -1;
    max-width: 260px;
    margin: 0 auto 8px;
  }
}

/* ============================================================
   BRIDGE — narrativa de arquitectura compartida
   ============================================================ */
.bridge {
  background: var(--ink-soft);
  color: var(--paper);
  padding: clamp(56px, 8vw, 88px) 0;
}

.bridge-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.bridge h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15;
  margin-top: 16px;
}

.bridge-text {
  color: #C7CBD1;
  font-size: 1.02rem;
  max-width: 60ch;
}

.bridge-text+.bridge-text {
  margin-top: 14px;
}

.stat-row {
  display: flex;
  gap: clamp(24px, 4vw, 48px);
  margin-top: 8px;
  flex-wrap: wrap;
}

.stat {
  border-left: 2px solid var(--sicap);
  padding-left: 16px;
}

.stat .num {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--sicap-light);
  display: block;
}

.stat .label {
  font-size: 0.85rem;
  color: #9AA0A6;
}

@media (max-width:820px) {
  .bridge-inner {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   ECOSISTEMA
   ============================================================ */
.ecosystem {
  background: var(--paper);
  padding: clamp(64px, 9vw, 104px) 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 16px;
  color: var(--ink);
}

.section-head p {
  color: var(--graphite-soft);
  margin-top: 14px;
  font-size: 1.02rem;
}

.eco-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
}

.eco-card {
  background: var(--paper);
  padding: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: 64px 1fr 1fr auto;
  gap: 32px;
  align-items: start;
}

.eco-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--graphite-soft);
  padding-top: 6px;
}

.eco-head h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.eco-logo {
  height: 30px;
  width: auto;
  display: block;
  margin-bottom: 14px;
}

.eco-head .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-block;
  padding: 3px 9px;
  border-radius: 2px;
  margin-bottom: 10px;
}

.tag-kaidoc {
  background: rgba(195, 58, 252, 0.12);
  color: #7A1FC9;
}

.tag-kailiving {
  background: rgba(37, 99, 235, 0.12);
  color: var(--kailiving);
}

.tag-echocard {
  background: rgba(169, 121, 31, 0.14);
  color: var(--sicap-on-light);
  border: 1px solid var(--sicap-on-light);
}

.mini-feat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mini-feat li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #C7CBD1;
  padding-left: 16px;
  position: relative;
}

.mini-feat li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--sicap-light);
}

.eco-desc {
  color: var(--graphite);
  font-size: 0.98rem;
  max-width: 44ch;
}

.feat-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feat {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.feat svg {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
}

.feat-txt strong {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 2px;
}

.feat-txt span {
  font-size: 0.87rem;
  color: var(--graphite-soft);
}

.eco-cta {
  align-self: center;
}

.eco-card--kaidoc .feat svg {
  color: var(--kaidoc-navy);
}

.eco-card--kailiving .feat svg {
  color: var(--kailiving-slate);
}

.eco-card--echocard {
  background: var(--ink);
  color: var(--paper);
}

.eco-card--echocard .eco-desc {
  color: #C7CBD1;
}

.eco-card--echocard .eco-num {
  color: var(--graphite-soft);
}

.eco-card--echocard h3 {
  color: var(--paper);
}

@media (max-width:960px) {
  .eco-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .eco-num {
    padding-top: 0;
  }
}

/* ============================================================
   POR QUÉ SICAP
   ============================================================ */
.why {
  background: var(--paper-alt);
  padding: clamp(64px, 9vw, 104px) 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  margin-top: 8px;
}

.why-item {
  background: var(--paper-alt);
  padding: clamp(26px, 3.5vw, 38px);
}

.why-item .idx {
  font-family: var(--font-mono);
  color: var(--sicap-on-light);
  font-size: 0.8rem;
}

.why-item h3 {
  font-size: 1.15rem;
  margin: 10px 0 8px;
}

.why-item p {
  color: var(--graphite-soft);
  font-size: 0.95rem;
}

@media (max-width:760px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   PRUEBA SOCIAL
   ============================================================ */
.social {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(56px, 8vw, 88px) 0;
}

.social .section-head h2 {
  color: var(--paper);
}

.social .section-head p {
  color: #9AA0A6;
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--line-dark);
  margin-top: 8px;
}

.logo-wall span {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #C7CBD1;
  padding: 20px 28px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  flex: 1 1 220px;
}

.social-stats {
  display: flex;
  gap: clamp(28px, 5vw, 56px);
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact {
  background: var(--paper);
  padding: clamp(64px, 9vw, 104px) 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 5vw, 64px);
}

.contact-info h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  color: var(--ink);
  margin-top: 16px;
}

.contact-info p {
  color: var(--graphite-soft);
  margin-top: 14px;
  max-width: 42ch;
}

.contact-direct {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.contact-direct a {
  color: var(--sicap-on-light);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.contact-direct div {
  margin-bottom: 8px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--graphite-soft);
  letter-spacing: 0.03em;
}

.field input,
.field select,
.field textarea {
  border: 1.5px solid var(--line);
  background: var(--white);
  padding: 12px 13px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--graphite);
  border-radius: var(--radius);
  transition: border-color .2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--sicap);
  outline: none;
}

.field textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  margin-top: 6px;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--graphite-soft);
  margin-top: 10px;
}

.form-error {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #b42318;
  margin-top: 10px;
}

.form-error[hidden] {
  display: none;
}

.form-success {
  border: 1.5px solid var(--sicap);
  background: rgba(169, 121, 31, 0.07);
  padding: 22px;
  border-radius: var(--radius);
  display: none;
}

.form-success.show {
  display: block;
}

.form-success strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
}

@media (max-width:900px) {
  .contact-inner {
    grid-template-columns: 1fr;
  }

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

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: #9AA0A6;
  padding: 48px 0 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sicap-light);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  color: #C7CBD1;
  text-decoration: none;
  font-size: 0.92rem;
  margin-bottom: 9px;
}

.footer-col a:hover {
  color: var(--sicap-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}