/* =============================================================
   PROYECTOS CONJUNTOS RIMA — styles.css
   Archetype: Architectural Grid (adapted from Brutalist Grid 07)
   Palette: brand navy + brand green + white, sampled from logo
   Type: Big Shoulders Display (condensed) + Inter + IBM Plex Mono
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --paper:      #ffffff;
  --bg-2:       #f2f4f6;
  --bg-3:       #e8ebee;
  --ink:        #0a1a2e;
  --ink-soft:   #263449;
  --ink-mute:   #5e6870;
  --navy:       #02254c;
  --navy-deep:  #051227;
  --green:      #6f9c1c;
  --green-deep: #547a12;
  --green-soft: #eef4e2;
  --line:       rgba(2, 37, 76, 0.14);
  --line-strong:rgba(2, 37, 76, 0.4);
  --cream-on-dark: #eef2f6;

  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Big Shoulders Display", "Archivo Expanded", var(--sans);
  --mono:  "IBM Plex Mono", "JetBrains Mono", monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 84px;
  --container: 1360px;
}

@property --mesh-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.02; letter-spacing: -0.01em; font-family: var(--display); font-weight: 600; }
ul { list-style: none; padding: 0; }
::selection { background: var(--green); color: var(--paper); }

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

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--navy); color: var(--paper);
  z-index: 9999; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* View transitions */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) {
  animation-duration: 0.5s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
::view-transition-old(root) { animation-name: fadeOutUp; }
::view-transition-new(root) { animation-name: fadeInUp; }
@keyframes fadeOutUp { to { opacity: 0; transform: translateY(-10px); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 720px)  { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.hairline-top { border-top: 1px solid var(--line); }
.hairline-bottom { border-bottom: 1px solid var(--line); }

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-deep);
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.kicker::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--green);
  display: inline-block;
}
.kicker-num {
  font-family: var(--mono);
  color: var(--ink-mute);
}

.eyebrow-dark { color: var(--cream-on-dark); }
.eyebrow-dark::before { background: var(--green); }

section { position: relative; }
.section-pad { padding-block: clamp(3.5rem, 7vw, 7rem); }

.bg-2 { background: var(--bg-2); }
.bg-navy { background: var(--navy); color: var(--cream-on-dark); }
.bg-navy h1, .bg-navy h2, .bg-navy h3 { color: var(--paper); }
.bg-navy .kicker { color: #b7d47a; }

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2.4rem, 6vw, 5.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--ink-soft); max-width: 62ch; }
.small-caps {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.78rem; color: var(--ink-mute);
}

/* =============================================================
   5. Components
   ============================================================= */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  padding: 0.9em 1.6em;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  transition: background-color .35s var(--ease-out), color .35s var(--ease-out), border-color .35s var(--ease-out), transform .35s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--green); color: var(--paper); }
.btn-primary:hover { background: var(--green-deep); transform: translateY(-2px); }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-ghost.on-dark { border-color: rgba(238,242,246,0.55); color: var(--cream-on-dark); }
.btn-ghost.on-dark:hover { background: var(--paper); color: var(--navy); border-color: var(--paper); }
.btn-arrow::after { content: "→"; transition: transform .3s var(--ease-out); }
.btn:hover .btn-arrow::after, .btn-arrow:hover::after { transform: translateX(4px); }

/* Nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
@supports not (backdrop-filter: blur(10px)) {
  .site-header { background: rgba(255,255,255,0.98); }
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
  gap: 1.5rem;
}
.brand-logo { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
.brand-logo img { height: 42px; width: auto; }
.brand-logo-text {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.05em;
  color: var(--ink-mute); text-transform: uppercase; line-height: 1.3;
  display: none;
}
@media (min-width: 720px) { .brand-logo-text { display: block; } }

.nav-links { display: none; align-items: center; gap: 1.9rem; }
@media (min-width: 1080px) { .nav-links { display: flex; } }
.nav-links a {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--ink-soft);
  position: relative; padding-block: 0.3rem;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--green); transition: right .3s var(--ease-out);
}
.nav-links a:hover::after, .nav-links a.is-active::after { right: 0; }
.nav-links a.is-active { color: var(--navy); }

.nav-item-drop { position: relative; }
.nav-dropdown {
  position: absolute; top: 100%; left: -1rem; margin-top: 0.9rem;
  min-width: 260px; background: var(--paper); border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(2,37,76,0.12);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility .25s;
  z-index: 5;
}
.nav-item-drop:hover .nav-dropdown,
.nav-item-drop:focus-within .nav-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown a {
  display: block; padding: 0.85rem 1.2rem; font-family: var(--mono);
  font-size: 0.74rem; letter-spacing: 0.03em; text-transform: uppercase;
  border-bottom: 1px solid var(--line); color: var(--ink-soft);
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover { background: var(--bg-2); color: var(--navy); }

.nav-cta { display: none; align-items: center; gap: 0.9rem; }
@media (min-width: 1080px) { .nav-cta { display: flex; } }

.nav-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--line-strong);
}
@media (min-width: 1080px) { .nav-toggle { display: none; } }
.nav-toggle svg { width: 20px; height: 20px; }

.mobile-menu {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99;
  background: var(--paper);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
  overflow-y: auto;
}
.mobile-menu.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
@media (min-width: 1080px) { .mobile-menu { display: none; } }
.mobile-menu ul { padding: 1.5rem; display: flex; flex-direction: column; }
.mobile-menu a {
  display: block; padding: 1.1rem 0; font-family: var(--display);
  font-size: 1.6rem; border-bottom: 1px solid var(--line);
}
.mobile-menu .btn { margin-top: 1.5rem; width: 100%; justify-content: center; }

/* WhatsApp float */
.wa-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.22);
  transition: transform .3s var(--ease-out);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* Grid / hairline architecture */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0;
}
.hgrid {
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.hgrid > * {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* Page hero band (inner pages) */
.page-hero {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.page-hero .kicker { margin-bottom: 1.2rem; }
.page-hero h1 { max-width: 16ch; }
.page-hero .lede { margin-top: 1.2rem; }
.page-hero-num {
  font-family: var(--mono); font-size: 0.85rem; color: var(--ink-mute);
  margin-top: 1.5rem; display: block;
}

/* Stat strip */
.stat-strip {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 720px) { .stat-strip { grid-template-columns: repeat(4, 1fr); } }
.stat-cell {
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-cell:nth-child(2n) { border-right: none; }
@media (min-width: 720px) {
  .stat-cell:nth-child(2n) { border-right: 1px solid var(--line); }
  .stat-cell:last-child { border-right: none; }
}
.stat-value {
  font-family: var(--display); font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--navy); display: flex; align-items: baseline; gap: 0.1em;
}
.stat-value .suffix { color: var(--green); }
.stat-label {
  margin-top: 0.5rem; font-size: 0.88rem; color: var(--ink-mute); max-width: 24ch;
}

/* Hero (home + inner split heroes) */
.hero {
  position: relative;
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  overflow: clip;
}
.hero-grid {
  display: grid; gap: 2.5rem;
  align-items: end;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; align-items: stretch; gap: 3rem; }
}
.hero-copy { display: flex; flex-direction: column; justify-content: center; gap: 1.4rem; }
.hero-copy h1 { max-width: 14ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 0.6rem; }
.hero-figure { position: relative; min-height: 320px; }
.hero-figure img {
  width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5;
}
@media (min-width: 960px) { .hero-figure img { aspect-ratio: auto; height: 100%; } }
.hero-figure-tag {
  position: absolute; left: 0; bottom: 0;
  background: var(--navy); color: var(--paper);
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.05em;
  padding: 0.6em 0.9em; text-transform: uppercase;
}

/* Service cards */
.service-grid {
  display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
@media (min-width: 720px)  { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .service-grid { grid-template-columns: repeat(3, 1fr); } }
.service-card {
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 2rem 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
  transition: background-color .4s var(--ease-out);
  min-height: 260px;
}
.service-card:hover { background: var(--bg-2); }
.service-card .num { font-family: var(--mono); color: var(--ink-mute); font-size: 0.85rem; }
.service-card h3 { margin-top: auto; }
.service-card p { color: var(--ink-mute); font-size: 0.95rem; }
.service-card .link-arrow {
  font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--navy); display: inline-flex; gap: 0.5em; align-items: center;
}
.service-card .link-arrow::after { content: "→"; transition: transform .3s var(--ease-out); }
.service-card:hover .link-arrow::after { transform: translateX(4px); }

/* Photo cards / gallery */
.photo-card { position: relative; overflow: clip; background: var(--bg-2); }
.photo-card img {
  width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5;
  filter: saturate(0.94);
  transition: transform .6s var(--ease-out), filter .6s var(--ease-out);
}
.photo-card:hover img { transform: scale(1.045); filter: saturate(1.08); }
.photo-card-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.1rem 1.2rem 1rem;
  background: linear-gradient(180deg, transparent, rgba(2,10,24,0.86));
  color: var(--paper);
}
.photo-card-caption .tag {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: #b7d47a;
}
.photo-card-caption h3 { font-size: 1.1rem; margin-top: 0.3rem; color: var(--paper); }
.photo-card-caption .place { font-size: 0.82rem; color: rgba(238,242,246,0.75); margin-top: 0.2rem; }

.project-grid {
  display: grid; grid-template-columns: 1fr; gap: 1px;
  background: var(--line);
}
@media (min-width: 720px)  { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .project-grid { grid-template-columns: repeat(3, 1fr); } }
.project-grid .photo-card { aspect-ratio: 4/5; }

/* Methodology timeline */
.timeline { border-top: 1px solid var(--line); }
.timeline-row {
  display: grid; grid-template-columns: 70px 1fr; gap: 1.5rem;
  padding: 1.8rem 0; border-bottom: 1px solid var(--line);
}
@media (min-width: 720px) { .timeline-row { grid-template-columns: 90px 200px 1fr; } }
.timeline-num { font-family: var(--display); font-size: 2rem; color: var(--green); }
.timeline-row h3 { align-self: center; }
.timeline-row p { color: var(--ink-mute); align-self: center; }

/* Cert list */
.cert-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cert-item {
  background: var(--paper); padding: 1.25rem 1.5rem;
  display: flex; gap: 1rem; align-items: flex-start;
}
.cert-item svg { flex-shrink: 0; width: 22px; height: 22px; color: var(--green); margin-top: 0.15em; }

/* Sector split */
.sector-split { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
@media (min-width: 860px) { .sector-split { grid-template-columns: 1fr 1fr; } }
.sector-panel {
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 860px) {
  .sector-panel:first-child { border-right: 1px solid var(--line); }
}
.sector-panel ul { margin-top: 1.2rem; display: flex; flex-direction: column; gap: 0.7rem; }
.sector-panel li { display: flex; gap: 0.7em; font-size: 0.95rem; color: var(--ink-soft); }
.sector-panel li::before { content: "—"; color: var(--green); flex-shrink: 0; }

/* Marquee */
.marquee-strip {
  overflow: clip; border-block: 1px solid var(--line);
  padding-block: 0.9rem;
  background: var(--bg-2);
}
.marquee-track {
  display: flex; width: max-content; gap: 3rem;
  animation: marquee 28s linear infinite;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-track span {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 0.85rem; color: var(--ink-mute); white-space: nowrap;
}
.marquee-track span em { color: var(--green); font-style: normal; }

/* CTA band */
.cta-band {
  padding-block: clamp(3rem, 6vw, 5rem);
  display: flex; flex-direction: column; gap: 1.6rem; align-items: flex-start;
}
@media (min-width: 860px) {
  .cta-band { flex-direction: row; align-items: center; justify-content: space-between; }
}
.cta-band h2 { max-width: 16ch; }
.cta-band .actions { display: flex; gap: 1rem; flex-wrap: wrap; flex-shrink: 0; }

/* Footer */
.site-footer { background: var(--navy-deep); color: var(--cream-on-dark); }
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 2.5rem;
  padding-block: clamp(3rem, 6vw, 5rem);
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; } }
.footer-brand img { height: 40px; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(238,242,246,0.62); font-size: 0.9rem; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: #b7d47a; margin-bottom: 1rem; font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a, .footer-col p { color: rgba(238,242,246,0.78); font-size: 0.92rem; }
.footer-col a:hover { color: var(--paper); }
.footer-bottom {
  border-top: 1px solid rgba(238,242,246,0.14);
  padding-block: 1.4rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-family: var(--mono); font-size: 0.75rem; color: rgba(238,242,246,0.5);
}

/* Form */
.form-grid { display: grid; gap: 1.1rem; }
@media (min-width: 640px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink-mute);
}
.field input, .field select, .field textarea {
  border: 1px solid var(--line-strong);
  padding: 0.85em 1em;
  font-family: var(--sans); font-size: 0.98rem; color: var(--ink);
  background: var(--paper);
  transition: border-color .25s var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--ink-mute); }
.form-success {
  display: none; padding: 1.2rem; background: var(--green-soft); border: 1px solid var(--green);
  color: var(--green-deep); font-size: 0.95rem;
}
.form-success.is-visible { display: block; }
.contact-info-card {
  border: 1px solid var(--line); padding: 2rem; display: flex; flex-direction: column; gap: 1.4rem;
}
.contact-info-card .row { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info-card svg { width: 22px; height: 22px; color: var(--green); flex-shrink: 0; margin-top: 0.15em; }
.contact-info-card .row h4 { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-mute); margin-bottom: 0.3rem; font-weight: 500; }

/* Map embed frame */
.map-frame { border: 1px solid var(--line); aspect-ratio: 16/9; width: 100%; }
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* =============================================================
   6. Section headers
   ============================================================= */
.section-head { display: flex; flex-direction: column; gap: 1rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head h2 { max-width: 20ch; }
.section-head .lede { margin-top: 0.3rem; }
.section-head-row {
  display: flex; flex-direction: column; gap: 1.5rem; justify-content: space-between;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
@media (min-width: 860px) { .section-head-row { flex-direction: row; align-items: flex-end; } }
.section-head-row .lede { max-width: 46ch; }

/* =============================================================
   7. Reveal / effects
   ============================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

.stagger > * { transition-delay: calc(var(--i, 0) * 70ms); }

/* nav scrolled state (optional subtle) */
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line); }

/* =============================================================
   8. Responsive helpers already inlined per component above
   ============================================================= */

/* =============================================================
   9. Reduced motion — only intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}