/* ============================================================
   Duit — sistema de diseño
   "Blueprint con criterio humano"
   ============================================================ */

:root {
  --paper: #F1EFE9;
  --paper-raised: #F7F5F0;
  --ink: #14181D;
  --ink-soft: #4B5157;
  --amber: #C1812E;
  --teal: #1E6F63;
  --line: #D8D3C7;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, Helvetica, Arial, sans-serif;

  --wrap: 1160px;
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin: 0; }

a { color: inherit; }

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

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

section { padding: 88px 0; }

/* ---------- blueprint grid backdrop ---------- */
.blueprint-bg {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  -webkit-mask-image: linear-gradient(to bottom, black, rgba(0,0,0,0.15));
          mask-image: linear-gradient(to bottom, black, rgba(0,0,0,0.15));
  opacity: 0.55;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(241, 239, 233, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo .dot { color: var(--amber); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a:not(.btn) {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-size: 0.82rem;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.15s ease;
}

.main-nav a:not(.btn):hover { color: var(--ink); }

.main-nav a.active {
  color: var(--ink);
  border-bottom: 2px solid var(--teal);
}

.main-nav .btn { margin-left: 8px; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
}
.lang-switch a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}
.lang-switch a:hover { color: var(--teal); }
.lang-switch .lang-current {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.lang-switch .lang-sep { color: var(--line); font-size: 0.78rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--teal); border-color: var(--teal); }
.btn:disabled { opacity: 0.6; cursor: default; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); }

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ---------- badge / kicker / tag ---------- */
.badge {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--teal);
  color: var(--teal);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.kicker {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- panels (blueprint corner mark) ---------- */
.panel {
  position: relative;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 32px;
}
.panel::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 2px solid var(--teal);
  border-left: 2px solid var(--teal);
  pointer-events: none;
}
.panel-accent::before { border-color: var(--amber); }
.panel-accent { border-color: var(--amber); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-top: 72px;
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-top: 20px; }
.hero .lead { margin-top: 24px; font-size: 1.12rem; color: var(--ink-soft); max-width: 46ch; }

.hero-diagram-wrap {
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  padding: 28px;
}
.hero-diagram-wrap::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 26px; height: 26px;
  border-top: 2px solid var(--teal);
  border-left: 2px solid var(--teal);
}

/* ---------- stats ---------- */
.stats {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--amber);
  font-weight: 600;
}
.stat-label {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ---------- section heads ---------- */
.section-head { max-width: 62ch; }
.section-head.center { margin: 0 auto; text-align: center; }
.section-head .lead {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

/* ---------- three-step row ---------- */
.step-row {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-row .panel .tag { color: var(--teal); }
.step-row .panel h4 { margin-top: 12px; }
.step-row .panel p { margin-top: 10px; color: var(--ink-soft); }

/* ---------- services grid ---------- */
.services-grid {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-panel .service-num {
  font-family: var(--font-display);
  color: var(--line);
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1;
}
.service-panel .kicker { margin-top: 16px; margin-bottom: 6px; }
.service-panel h3 { margin-top: 4px; }
.service-panel p { margin-top: 12px; color: var(--ink-soft); }

/* ---------- methodology (4 steps) ---------- */
.method-row {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.method-row .panel .step-index {
  font-family: var(--font-display);
  color: var(--amber);
  font-size: 1.6rem;
  font-weight: 600;
}
.method-row .panel h4 { margin-top: 14px; }
.method-row .panel p { margin-top: 10px; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- packs ---------- */
.packs-grid {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pack-panel { display: flex; flex-direction: column; }
.pack-panel .tag.pack-tag {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 3px 10px;
  border-radius: var(--radius);
  color: var(--ink-soft);
  margin-top: 14px;
}
.pack-panel h3 { margin-top: 16px; }
.pack-block { margin-top: 20px; }
.pack-block h5 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--teal);
  margin: 0 0 8px;
}
.pack-block p { color: var(--ink-soft); font-size: 0.94rem; }
.pack-note {
  margin-top: 40px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ---------- CTA final ---------- */
.cta-final {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-final .wrap { max-width: 640px; }
.cta-final p { margin-top: 16px; color: var(--ink-soft); }
.cta-final .btn { margin-top: 30px; }

/* ---------- nosotros ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.about-photo {
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-photo::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 26px; height: 26px;
  border-top: 2px solid var(--amber);
  border-left: 2px solid var(--amber);
}
.about-photo-initials {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--line);
  font-weight: 600;
}
.about-name { margin-top: 28px; }
.about-role { margin-top: 8px; color: var(--teal); }
.about-bio p { margin-top: 18px; color: var(--ink-soft); }
.about-bio p:first-child { margin-top: 24px; }

.quote-block {
  margin-top: 88px;
  border-top: 1px solid var(--line);
  padding-top: 56px;
  text-align: center;
}
.quote-block .kicker { text-align: center; }
blockquote {
  margin: 18px auto 0;
  max-width: 52ch;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 500;
  color: var(--ink);
  font-style: normal;
  line-height: 1.4;
}

/* ---------- contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.form-panel { padding: 40px; }
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.field textarea { resize: vertical; min-height: 120px; }

.form-status {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
  border-radius: var(--radius);
}
.form-status.is-success {
  border-color: var(--teal);
  background: rgba(30, 111, 99, 0.08);
  color: var(--ink);
}
.form-status.is-error {
  border-color: var(--amber);
  background: rgba(193, 129, 46, 0.08);
  color: var(--ink);
}

.contact-side .panel + .panel { margin-top: 24px; }
.contact-side h4 { margin-bottom: 10px; }
.contact-side p { color: var(--ink-soft); }
.contact-side a.mail-link {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
}
.contact-side a.mail-link:hover { text-decoration: underline; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer .foot-nav { display: flex; gap: 24px; }
.site-footer .foot-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.site-footer .foot-nav a:hover { color: var(--ink); }
.site-footer .foot-copy {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* ---------- page hero (non-home pages) ---------- */
.page-hero {
  padding-top: 72px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}
.page-hero .section-head { max-width: 70ch; }
.page-hero .lead { margin-top: 20px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .method-row { grid-template-columns: repeat(2, 1fr); }
  .packs-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 320px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  section { padding: 64px 0; }
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 28px 20px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    text-transform: none;
    font-size: 0.98rem;
  }
  .main-nav a.active { border-bottom: 1px solid var(--line); }
  .main-nav .btn { margin: 16px 0 4px; }
  .main-nav .lang-switch { margin: 4px 0 16px; }
  .main-nav .lang-switch a,
  .main-nav .lang-switch .lang-current { width: auto; padding: 0; border-bottom: none; }
  .nav-toggle { display: flex; }

  .stats { grid-template-columns: 1fr; gap: 28px; }
  .step-row { grid-template-columns: 1fr; }
  .method-row { grid-template-columns: 1fr; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
}