/* Off-Grid Futa */

:root {
  --void: #060908;
  --bg: #0c1210;
  --surface: #141c18;
  --surface-2: #1a2420;
  --ink: #eef2ef;
  --muted: #8a9a92;
  --dim: #5c6b64;
  --accent: #e8a54b;
  --accent-hot: #f4c06a;
  --river: #4a9e7a;
  --glow: rgba(232, 165, 75, 0.35);
  --border: rgba(238, 242, 239, 0.08);
  --border-strong: rgba(232, 165, 75, 0.4);
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Syne", system-ui, sans-serif;
  --narrow: 42rem;
  --wide: 72rem;
  --header: 4rem;
  --section-pad: clamp(3.5rem, 8vw, 5.5rem);
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--void);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover { color: var(--accent-hot); }

.wrap {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.narrow {
  max-width: var(--narrow);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* Anchor offset under fixed header */
.hero,
.section,
.site-footer {
  scroll-margin-top: calc(var(--header) + 1rem);
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  padding: 0.5rem 0.85rem;
  background: var(--accent);
  color: var(--void);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 2px;
  z-index: 200;
}

.skip-link:focus { top: 1rem; }

/* Bilingual blocks */

.bi span { display: block; }

.bi span[lang="en"] {
  font-size: 0.9em;
  color: var(--muted);
  margin-top: 0.22em;
  font-weight: 400;
}

.section-title.bi span[lang="en"],
.hero h1.bi span[lang="en"] {
  font-family: var(--font);
  font-size: 0.45em;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 0.4em;
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header);
  background: linear-gradient(to bottom, rgba(6, 9, 8, 0.9) 0%, transparent 100%);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(6, 9, 8, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header);
  gap: 1rem;
}

.logo {
  flex-shrink: 0;
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
}

.logo span { color: var(--accent); }

.logo:hover { text-decoration: none; opacity: 0.9; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.site-nav .nav-link {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.15;
}

.site-nav .nav-link:hover { color: var(--ink); }

.site-nav .bi span[lang="es"] {
  display: block;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav .bi span[lang="en"] {
  display: block;
  margin-top: 0.1em;
  font-size: 0.65em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim);
}

.nav-cta {
  flex-shrink: 0;
  background: var(--accent) !important;
  color: var(--void) !important;
  padding: 0.5rem 0.85rem !important;
  border-radius: 2px;
}

.nav-cta .bi span[lang="es"],
.nav-cta .bi span[lang="en"] {
  color: var(--void) !important;
}

.nav-cta .bi span[lang="en"] { opacity: 0.8; }

.nav-cta:hover {
  background: var(--accent-hot) !important;
  box-shadow: 0 0 20px var(--glow);
}

.nav-toggle {
  display: none;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--ink);
}

.nav-toggle-bar { position: relative; }

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

.nav-open .nav-toggle-bar { background: transparent; }
.nav-open .nav-toggle-bar::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle-bar::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 720px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: var(--header) 0 auto;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.25rem;
    background: var(--void);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: 0.22s ease;
  }

  .nav-open .site-nav {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav .nav-link {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.8125rem;
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    padding: 0.85rem 1rem !important;
    border: none !important;
  }
}

/* Hero */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header) + 3rem) 0 4rem;
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 70% 50% at 80% 10%, rgba(74, 158, 122, 0.15) 0%, transparent 50%),
    linear-gradient(105deg, rgba(6, 9, 8, 0.95) 0%, rgba(6, 9, 8, 0.5) 50%, rgba(6, 9, 8, 0.8) 100%);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(to top, var(--void) 0%, transparent 55%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  filter: contrast(1.1) saturate(0.9) brightness(0.7);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 36rem;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 2px;
  background: var(--accent);
  margin-right: 0.6rem;
  vertical-align: middle;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(2.25rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.lead {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 32rem;
  line-height: 1.55;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.75rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--void);
  background: var(--accent);
  border-radius: 2px;
  text-decoration: none;
  box-shadow: 0 0 32px var(--glow);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn span { display: inline; }

.btn span[lang="en"] {
  font-size: 0.85em;
  opacity: 0.85;
  margin: 0;
  color: inherit;
}

.btn span[lang="en"]::before {
  content: "·";
  margin: 0 0.35rem;
  opacity: 0.6;
}

.btn:hover {
  background: var(--accent-hot);
  transform: translateY(-1px);
  text-decoration: none;
}

/* Sections */

.section {
  padding: var(--section-pad) 0;
}

.section-title {
  margin: 0 0 1.75rem;
  font-family: var(--display);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.prose {
  max-width: 38rem;
}

.prose .bi + .bi {
  margin-top: 1rem;
}

/* Future */

.section-future {
  background: var(--void);
  border-bottom: 1px solid var(--border);
}

.future-lead {
  margin: 0 0 1rem;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--ink);
  max-width: 40rem;
}

.future-lead em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}

.future-body {
  margin: 0 0 1.25rem;
  color: var(--muted);
  max-width: 36rem;
}

.future-tech {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.future-tech li {
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  font-size: 0.9rem;
}

.future-tech .bi span[lang="es"] {
  display: block;
  color: var(--ink);
  font-weight: 600;
}

.future-tech .bi span[lang="en"] {
  margin-top: 0.15em;
  font-size: 0.85em;
}

.future-close {
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  max-width: 40rem;
}

/* About */

.section-about {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.about-lead {
  margin: 0 0 1rem;
  font-size: 1.125rem;
}

.about-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.about-facts li {
  padding: 0.4rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(232, 165, 75, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
}

.about-facts .bi span {
  display: inline;
}

.about-facts .bi span[lang="en"]::before {
  content: " · ";
  opacity: 0.55;
}

/* Why */

.section-why {
  background: var(--void);
  border-bottom: 1px solid var(--border);
  padding-top: clamp(3rem, 6vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 4rem);
}

.pricing-model {
  margin: 1.25rem 0 !important;
  padding: 1rem 1rem 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
}

.pricing-model em {
  font-style: normal;
  color: var(--accent-hot);
}

/* Process — fixed step layout */

.section-process {
  background: var(--bg);
}

.section-process::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.section-process .wrap {
  max-width: 52rem;
}

.process-intro {
  margin: -0.5rem 0 2rem;
  color: var(--muted);
  max-width: 36rem;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.35rem 1.35rem 1.35rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.step-badge {
  flex: 0 0 2.75rem;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--void);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  line-height: 1;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-title {
  margin: 0 0 0.4rem;
}

.step-title .bi span[lang="en"] {
  display: inline;
  margin-top: 0;
  margin-left: 0.5em;
  font-size: 0.75em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-title .bi span[lang="en"]::before {
  content: "/ ";
  opacity: 0.45;
}

.step-title strong {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.step-desc {
  margin: 0 0 0.65rem;
  font-size: 0.9875rem;
  color: var(--muted);
  line-height: 1.55;
}

.step-desc em {
  font-style: normal;
  color: var(--ink);
  font-weight: 500;
}

.step-trades,
.step-includes {
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.step-trades li {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  background: var(--void);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 2px;
}

.step-trades .bi span {
  display: inline;
  font-size: inherit;
  color: inherit;
  margin: 0;
}

.step-trades .bi span[lang="en"]::before {
  content: " · ";
  opacity: 0.45;
}

.step-includes {
  flex-direction: column;
  gap: 0.35rem;
}

.step-includes li {
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  padding: 0;
  background: none;
  border: none;
  color: var(--dim);
}

.step-includes .bi span { display: block; }

.step-includes .bi span[lang="en"] {
  font-size: 0.88em;
  margin-top: 0.1em;
}

@media (max-width: 480px) {
  .step-item {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.15rem;
  }

  .step-badge {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 0.75rem;
  }

  .step-title .bi span[lang="en"] {
    display: block;
    margin-left: 0;
    margin-top: 0.15em;
  }

  .step-title .bi span[lang="en"]::before {
    content: none;
  }
}

/* Case study */

.section-work {
  background: var(--void);
}

.case-study {
  display: grid;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
}

@media (min-width: 800px) {
  .case-study {
    grid-template-columns: 1fr 1.05fr;
    align-items: start;
    padding: 1.75rem;
  }
}

.case-study-media {
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
}

.case-study-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-study-label {
  margin: 0 0 0.4rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.case-study-body h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.case-study-location {
  margin: 0.25rem 0 0.75rem;
  font-size: 0.75rem;
  color: var(--river);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-study-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.case-study-tagline {
  font-size: 1rem !important;
  color: var(--ink) !important;
}

.case-study-tagline .bi span[lang="en"] {
  color: var(--muted);
}

.case-study-body > .bi {
  font-size: 0.9875rem;
  color: var(--muted);
  line-height: 1.6;
}

.case-study-scope {
  margin-top: 1rem !important;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.case-study-systems {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.case-study-systems li {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--border-strong);
  color: var(--muted);
  background: var(--void);
}

.case-study-systems .bi span {
  display: inline;
  margin: 0;
  font-size: inherit;
  color: inherit;
}

.case-study-systems .bi span[lang="en"]::before {
  content: " · ";
  opacity: 0.45;
}

/* Contact */

.section-contact {
  background: linear-gradient(160deg, rgba(74, 158, 122, 0.1) 0%, var(--surface) 45%);
  border-top: 1px solid var(--border);
}

.section-contact .section-title {
  margin-bottom: 0.75rem;
}

.contact-lead {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--muted);
}

.contact-links {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

@media (min-width: 480px) {
  .contact-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem;
  }
}

.contact-links a {
  font-family: var(--display);
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.1rem;
  line-height: 1.2;
}

.contact-links a:hover {
  color: var(--accent-hot);
  border-color: var(--accent-hot);
  text-decoration: none;
}

/* Footer */

.site-footer {
  padding: 2rem 0 2.5rem;
  font-size: 0.8125rem;
  color: var(--dim);
  border-top: 1px solid var(--border);
}

.site-footer p { margin: 0 0 0.5rem; }

.site-footer a { color: var(--muted); }

.site-footer a:hover { color: var(--accent); }

.fine {
  max-width: 36rem;
  line-height: 1.5;
}