/* =====================================================
   BSustenta v2 — Architectural Tech
   Paleta: negro #000 + verde forestal #035A01 + gris #E8E5E0
   Fonts: DM Sans (display) + DM Mono (datos técnicos)
   ===================================================== */

:root {
  /* Colores exactos del logo */
  --green:       #035A01;
  --green-light: #5FBF5C;  /* verde sobre fondos oscuros */
  --green-pale:  #E8F5E8;  /* verde muy suave para hover */
  --black:       #000000;
  --ink:         #111111;
  --ink-soft:    #3D3D3D;
  --ink-mute:    #6B6B6B;
  --bg:          #E8E5E0;
  --bg-soft:     #F0EDE8;
  --paper:       #FAFAF7;
  --line:        rgba(0,0,0,0.10);
  --line-strong: rgba(0,0,0,0.18);
  --dark:        #0A0A0A;
  --dark-2:      #141414;

  --font: 'DM Sans', system-ui, sans-serif;
  --mono: 'DM Mono', 'Menlo', monospace;

  --r: 3px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ── BUTTONS ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--r);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, transform .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-dark {
  background: var(--black);
  color: var(--paper);
  border-color: var(--black);
}
.btn-dark:hover { background: var(--green); border-color: var(--green); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--black); color: var(--paper); border-color: var(--black); }

.btn-block { width: 100%; justify-content: center; }

/* ── NAV ─────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(232,229,224,.93);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo img { height: 36px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 3px 0;
  transition: color .2s;
}
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); }
.nav-links a:not(.nav-cta):hover { color: var(--green); }

.nav-cta {
  background: var(--green) !important;
  color: #fff !important;
  padding: 9px 18px !important;
  border-radius: var(--r);
  font-weight: 600 !important;
  transition: background .2s, transform .2s !important;
}
.nav-cta:hover { background: var(--black) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: .3s;
}

/* ── SECTION HEAD ────────────────────────── */
.section-head { margin-bottom: 3rem; }
.section-head.section-head--left { text-align: left; }

.section-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}
.section-head h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--ink);
  margin-bottom: 0.9rem;
}
.section-head h2 em {
  font-style: italic;
  font-weight: 300;
  color: var(--green);
}
.section-head p {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 55ch;
  line-height: 1.55;
}

/* ── HERO ─────────────────────────────────── */
.hero {
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(4rem, 8vw, 7rem);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 80% 30%, rgba(3,90,1,.05), transparent),
    var(--bg);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 70px 70px;
  opacity: .55;
  mask-image: radial-gradient(ellipse at 40% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 40% 40%, black 20%, transparent 70%);
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 7px 16px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 1.75rem;
}
.eyebrow-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(3,90,1,.18);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 3px rgba(3,90,1,.18); }
  50%      { box-shadow: 0 0 0 7px rgba(3,90,1,.05); }
}

h1 {
  font-size: clamp(3rem, 6.5vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.97;
  color: var(--ink);
  margin-bottom: 1.75rem;
}
h1 em {
  font-style: italic;
  font-weight: 300;
  color: var(--green);
}

.hero-lead {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
  border-left: 2.5px solid var(--green);
  padding-left: 1.1rem;
  margin-bottom: 0.4rem;
}
.hero-meta {
  font-family: var(--mono);
  font-size: 0.73rem;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-left: 1.1rem;
  margin-bottom: 1.25rem;
  border-left: 2.5px solid transparent;
}
.hero-body {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2.75rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line-strong);
  flex-wrap: wrap;
}
.stat { padding: 0 1.4rem; }
.stat:first-child { padding-left: 0; }
.stat-n {
  display: block;
  font-size: 1.85rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-l {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.stat-div {
  width: 1px;
  height: 36px;
  background: var(--line-strong);
}

/* Hero visual */
.hero-visual { position: relative; }

.hero-img-wrap {
  border-radius: var(--r);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/5;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 8s ease;
}
.hero-img-wrap:hover .hero-img { transform: scale(1.03); }
.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.35) 100%);
}

/* CEV card flotante */
.cev-card {
  position: absolute;
  bottom: -24px;
  left: -28px;
  width: 190px;
  background: var(--paper);
  border: 1.5px solid var(--black);
  border-radius: 6px;
  padding: 1.1rem 1.25rem;
  box-shadow: 8px 8px 0 var(--black);
}
.cev-card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.cev-card-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.cev-card-mark {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--green);
}
.cev-card-letter {
  font-size: 5.5rem;
  font-weight: 500;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--green);
  margin: 0.4rem 0 0.6rem;
}
.cev-card-scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-mute);
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.6rem;
}
.cev-active {
  color: var(--green) !important;
  font-weight: 700;
  position: relative;
}
.cev-active::after {
  content: '';
  position: absolute;
  left: -2px; right: -2px;
  bottom: -6px;
  height: 2px;
  background: var(--green);
}
.cev-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cev-card-foot strong { color: var(--green); font-weight: 500; }

/* ── PATHS ────────────────────────────────── */
.paths {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.path-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  transition: transform .3s, border-color .3s, box-shadow .3s;
  position: relative;
}
.path-card:hover {
  transform: translateY(-5px);
  border-color: var(--green);
  box-shadow: 0 12px 40px rgba(0,0,0,.1);
}

.path-card--dark {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--paper);
}
.path-card--dark:hover { border-color: var(--green-light); }

.path-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.path-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.path-card:hover .path-img-wrap img { transform: scale(1.05); }

.path-img-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--green);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 2px;
}

.path-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.path-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.6rem;
}
.path-card--dark .path-num { color: var(--green-light); }

.path-body h3 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  color: var(--ink);
}
.path-card--dark h3 { color: var(--paper); }

.path-body p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  flex-grow: 1;
  margin-bottom: 1.25rem;
}
.path-card--dark p { color: rgba(250,250,247,.7); }
.path-body strong { color: var(--ink); font-weight: 600; }
.path-card--dark strong { color: var(--green-light); }

.path-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.path-card--dark .path-foot { border-color: rgba(255,255,255,.1); }

.path-tag-pill {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  color: var(--ink);
}
.path-card--dark .path-tag-pill {
  background: rgba(95,191,92,.12);
  border-color: transparent;
  color: var(--green-light);
}

.path-arrow {
  font-size: 1.1rem;
  color: var(--ink-mute);
  transition: transform .3s, color .3s;
}
.path-card--dark .path-arrow { color: var(--green-light); }
.path-card:hover .path-arrow { transform: translate(3px,-3px); color: var(--green); }
.path-card--dark:hover .path-arrow { color: var(--green-light); }

/* ── DELIVERABLES ─────────────────────────── */
.deliverables {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--dark);
  color: var(--paper);
}
.deliverables .section-tag { color: var(--green-light); }
.deliverables .section-head h2 { color: var(--paper); }
.deliverables .section-head p { color: rgba(250,250,247,.65); }

.del-table {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r);
  overflow: hidden;
}
.del-head {
  display: grid;
  grid-template-columns: 1.4fr 1.4fr 2.2fr 0.9fr;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.del-head span {
  padding: 1rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250,250,247,.5);
  border-right: 1px solid rgba(255,255,255,.07);
}
.del-head span:last-child { border-right: none; }

.del-row {
  display: grid;
  grid-template-columns: 1.4fr 1.4fr 2.2fr 0.9fr;
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: background .2s;
}
.del-row:last-child { border-bottom: none; }
.del-row:hover { background: rgba(255,255,255,.03); }

.del-cell {
  padding: 1.4rem 1.5rem;
  font-size: 0.93rem;
  line-height: 1.5;
  color: rgba(250,250,247,.75);
  border-right: 1px solid rgba(255,255,255,.07);
}
.del-cell:last-child { border-right: none; }
.del-cell--name strong {
  color: var(--paper);
  font-weight: 600;
  font-size: 1rem;
}
.del-cell--accent strong { color: var(--green-light); font-weight: 600; }
.del-label {
  display: none;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(250,250,247,.4);
  margin-bottom: 4px;
}

/* ── WHY US ───────────────────────────────── */
.why {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

.why-img-stack { position: relative; }
.why-img-main {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--r);
}
.why-img-secondary {
  position: absolute;
  bottom: -32px;
  right: -28px;
  width: 52%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--r);
  border: 5px solid var(--bg);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}

.why-list {
  list-style: none;
  margin: 0 0 2rem;
}
.why-list li {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}
.why-list li:last-child { border-bottom: 1px solid var(--line); }

.why-n {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.08em;
  padding-top: 4px;
}
.why-list h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
  color: var(--ink);
}
.why-list p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ── SERVICES ─────────────────────────────── */
.services {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--bg-soft);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.svc-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  display: flex;
  flex-direction: column;
}
.svc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(0,0,0,.09);
  border-color: var(--green);
}

.svc-img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.svc-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
  filter: grayscale(20%);
}
.svc-card:hover .svc-img-wrap img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.svc-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.svc-badge {
  display: inline-block;
  background: var(--black);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 1rem;
  align-self: flex-start;
}
.svc-card:hover .svc-badge { background: var(--green); }

.svc-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 0.6rem;
  color: var(--ink);
}
.svc-body p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ink-soft);
  flex-grow: 1;
  margin-bottom: 1.1rem;
}
.svc-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green);
  transition: letter-spacing .2s;
}
.svc-link:hover { letter-spacing: 0.03em; }

/* ── ABOUT ────────────────────────────────── */
.about {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.about-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-lead {
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 1.1rem;
  letter-spacing: -0.01em;
}
.about-copy p:not(.about-lead) {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.about-creds {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  padding: 2rem;
  position: sticky;
  top: 90px;
}
.about-creds h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.about-creds ul { list-style: none; }
.about-creds li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.93rem;
  color: var(--ink-soft);
}
.about-creds li:last-child { border-bottom: none; }
.cred {
  background: var(--black);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 5px 8px;
  border-radius: 2px;
  text-align: center;
}

/* ── FAQ ──────────────────────────────────── */
.faq {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--bg-soft);
}
.faq-list { max-width: 860px; margin: 0 auto; }

details {
  border-bottom: 1px solid var(--line-strong);
}
summary {
  list-style: none;
  cursor: pointer;
  padding: 1.4rem 0;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink);
  transition: color .2s;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--green);
  transition: transform .3s;
  flex-shrink: 0;
  line-height: 1;
}
details[open] summary { color: var(--green); }
details[open] summary::after { transform: rotate(45deg); }

.faq-content {
  padding: 0 0 1.5rem;
  color: var(--ink-soft);
  font-size: 0.97rem;
  line-height: 1.65;
  max-width: 68ch;
}
.faq-content p { margin-bottom: 0.7rem; }
.faq-content p:last-child { margin-bottom: 0; }
.faq-content strong { color: var(--ink); font-weight: 600; }

/* ── CONTACT ──────────────────────────────── */
.contact {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.contact-channels {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-strong);
}
.channel {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .2s, color .2s;
}
.channel:hover { padding-left: 8px; color: var(--green); }
.channel-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
}
.channel-value {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.channel:hover .channel-value { color: var(--green); }

.contact-img {
  margin-top: 2rem;
  border-radius: var(--r);
  overflow: hidden;
}
.contact-img img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.contact-img--logo {
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}
.contact-img--logo img {
  width: 80%;
  aspect-ratio: auto;
  object-fit: contain;
}

/* Form */
.contact-form {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-form label > span {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--font);
  font-size: 0.97rem;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  color: var(--ink);
  transition: border-color .2s, background .2s;
  -webkit-appearance: none;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--green);
  background: var(--paper);
}
.contact-form textarea { resize: vertical; font-family: var(--font); }
.form-note {
  font-size: 0.8rem;
  color: var(--ink-mute);
  text-align: center;
}

/* ── FOOTER ───────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(250,250,247,.7);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-logo {
  height: 34px;
  width: auto;
  margin-bottom: 1rem;
  /* Sin recuadro, sin filter — logo ya tiene fondo transparente */
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.65;
  max-width: 28ch;
  color: rgba(250,250,247,.55);
}
.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(250,250,247,.9);
  margin-bottom: 1rem;
  letter-spacing: -0.005em;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  padding: 4px 0;
  color: rgba(250,250,247,.5);
  transition: color .2s;
}
.footer-col a:hover { color: var(--green-light); }
.footer-social {
  display: flex !important;
  align-items: center;
  gap: 7px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: rgba(250,250,247,.35);
  letter-spacing: 0.02em;
}

/* ── REVEAL ANIMATION ─────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ───────────────────────────── */
@media (max-width: 1024px) {
  .hero-layout { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .why-layout { grid-template-columns: 1fr; gap: 3rem; }
  .why-img-col { display: none; }
  .about-layout { grid-template-columns: 1fr; gap: 3rem; }
  .about-creds { position: static; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 12px 32px rgba(0,0,0,.08);
    z-index: 99;
  }
  .nav-links.open a {
    padding: 15px var(--pad);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav-links.open .nav-cta { border-radius: 0; }
  .nav-burger { display: flex; }

  .paths-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }

  .del-head { display: none; }
  .del-row {
    display: block;
    background: rgba(255,255,255,.04);
    border-radius: var(--r);
    margin-bottom: 12px;
    border: 1px solid rgba(255,255,255,.08);
  }
  .del-cell {
    display: block;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.06);
    padding: 0.9rem 1.25rem;
  }
  .del-cell:last-child { border-bottom: none; }
  .del-label { display: block; }

  .hero-stats { gap: 1rem; }
  .stat { padding: 0 0.75rem; }
  .stat:first-child { padding-left: 0; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  h1 { font-size: clamp(2.4rem, 9vw, 3.6rem); }
  .contact-form { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .eyebrow { font-size: 0.68rem; }
}