/* Tierra Linda Architecture — maqueta */
:root {
  --bg: #f9f8f5;
  --paper: #ffffff;
  --ink: #141414;
  --muted: #5f5f5a;
  --line: #e4e1da;
  --sage: #b1c5a4;
  --sage-deep: #5d7350;
  --sand: #cfcabe;
  --clay: #a8643f;
  --dark: #151714;
  --serif: "Cardo", "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 18px;
  --wrap: 1240px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font: 500 .74rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase;
  color: var(--sage-deep); margin-bottom: 1.4rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 62ch; }
.section { padding: clamp(72px, 10vw, 140px) 0; }
.section--tight { padding: clamp(48px, 6vw, 80px) 0; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .7em;
  padding: .95em 1.6em; border-radius: 999px;
  font: 500 .92rem/1 var(--sans); letter-spacing: .02em;
  background: var(--ink); color: #fff; border: 1px solid var(--ink);
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
  cursor: pointer;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); border-color: #fff; }
.btn--light:hover { background: transparent; color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), color .4s var(--ease);
  color: #fff;
}
.site-header.is-solid, .site-header.is-light { color: var(--ink); }
.site-header.is-solid { background: rgba(249, 248, 245, .92); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; font: 500 .95rem/1.2 var(--sans); letter-spacing: .01em; }
.brand img { width: 40px; height: 40px; object-fit: contain; transition: filter .4s; }
.site-header:not(.is-solid):not(.is-light) .brand img { filter: invert(1); }
.brand small { display: block; font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; opacity: .7; }
.menu { display: flex; align-items: center; gap: 34px; list-style: none; margin: 0; padding: 0; }
.menu a { font-size: .9rem; position: relative; padding: 6px 0; }
.menu a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: currentColor; transition: right .35s var(--ease); }
.menu a:hover::after, .menu a[aria-current="page"]::after { right: 0; }
.menu .btn { padding: .75em 1.3em; }
.site-header:not(.is-solid):not(.is-light) .menu .btn { background: #fff; color: var(--ink); border-color: #fff; }
.has-sub { position: relative; }
.submenu {
  position: absolute; top: 100%; left: -20px; min-width: 240px; padding: 12px;
  list-style: none; margin: 12px 0 0; background: var(--paper); color: var(--ink);
  border-radius: 14px; box-shadow: 0 20px 50px rgba(0, 0, 0, .12);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: .3s var(--ease);
}
.submenu::before { content: ""; position: absolute; inset: -14px 0 auto; height: 14px; }
.has-sub:hover .submenu, .has-sub:focus-within .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: 10px 12px; border-radius: 8px; }
.submenu a::after { display: none; }
.submenu a:hover { background: var(--bg); }
.burger { display: none; background: none; border: 0; color: inherit; width: 44px; height: 44px; cursor: pointer; }
.burger span { display: block; width: 24px; height: 1.5px; background: currentColor; margin: 6px auto; transition: .3s; }

@media (max-width: 960px) {
  .burger { display: block; position: relative; z-index: 2; }
  .menu {
    position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 22px;
    background: var(--bg); color: var(--ink); font-size: 1.4rem;
    opacity: 0; visibility: hidden; transition: .35s var(--ease);
  }
  .menu li { text-align: center; }
  .menu a { font-family: var(--serif); font-size: 1.8rem; }
  .menu .btn { font-family: var(--sans); font-size: 1rem; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: none; margin: 0; padding: 0; text-align: center; min-width: 0; }
  .submenu a { font-size: 1.1rem; font-family: var(--sans); padding: 4px; color: var(--muted); }
  .nav-open .menu { opacity: 1; visibility: visible; }
  .nav-open .site-header { color: var(--ink); backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
  .nav-open .brand img { filter: none !important; }
  .nav-open .burger span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-open .burger span:nth-child(2) { opacity: 0; }
  .nav-open .burger span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); animation: heroZoom 14s var(--ease) forwards; }
.hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.05) 35%, rgba(0,0,0,.65) 100%); }
@keyframes heroZoom { to { transform: scale(1); } }
.hero__content { position: relative; padding-bottom: clamp(56px, 9vh, 110px); }
.hero h1 { max-width: 14ch; }
.hero .eyebrow { color: var(--sage); }
.hero__row { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.hero__row p { max-width: 42ch; color: rgba(255,255,255,.85); margin: 0; }
.scroll-cue { display: inline-flex; flex-direction: column; align-items: center; gap: 10px; font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; opacity: .8; }
.scroll-cue::after { content: ""; width: 1px; height: 46px; background: linear-gradient(#fff, transparent); animation: cue 2s infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* Page hero (inner pages) */
.page-hero { position: relative; height: 72svh; min-height: 460px; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.4), rgba(0,0,0,.08) 40%, rgba(0,0,0,.6)); }
.page-hero .wrap { position: relative; z-index: 1; padding-bottom: 64px; }
.page-hero .eyebrow { color: var(--sage); }
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); max-width: 18ch; }
.page-head { padding: 170px 0 40px; }

/* Statement */
.statement { font-family: var(--serif); font-size: clamp(1.7rem, 3.4vw, 2.9rem); line-height: 1.25; max-width: 26ch; margin: 0; }
.statement em { color: var(--sage-deep); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.split--top { align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); margin-top: 64px; }
.stat { padding: 28px 24px 0 0; }
.stat strong { display: block; font: 400 clamp(2.4rem, 4vw, 3.6rem)/1 var(--serif); }
.stat span { font-size: .85rem; color: var(--muted); }
@media (max-width: 600px) { .stats { grid-template-columns: 1fr; } }

/* Rounded media */
.media { border-radius: var(--radius); overflow: hidden; background: var(--sand); position: relative; }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.media:hover img { transform: scale(1.04); }
.ratio-45 { aspect-ratio: 4 / 5; }
.ratio-43 { aspect-ratio: 4 / 3; }
.ratio-169 { aspect-ratio: 16 / 9; }
.media-badge {
  position: absolute; left: 20px; bottom: 20px; background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  padding: 14px 18px; border-radius: 12px; font-size: .82rem; max-width: 260px;
}
.media-badge strong { display: block; font: 400 1.6rem/1 var(--serif); }

/* Services (blueprint) */
.blueprint { position: relative; color: #fff; background: var(--dark); overflow: hidden; }
.blueprint__bg { position: absolute; inset: 0; opacity: .22; }
.blueprint__bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.blueprint .wrap { position: relative; }
.blueprint .lead { color: rgba(255,255,255,.7); }
.blueprint .eyebrow { color: var(--sage); }
.services { list-style: none; padding: 0; margin: 56px 0 0; border-top: 1px solid rgba(255,255,255,.18); }
.service { display: grid; grid-template-columns: 80px 1fr auto; align-items: center; gap: 24px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.18); transition: padding .4s var(--ease); }
.service:hover { padding-left: 16px; }
.service__num { font-size: .8rem; letter-spacing: .14em; color: var(--sage); }
.service h3 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.4rem); }
.service p { margin: 0; max-width: 40ch; color: rgba(255,255,255,.65); font-size: .95rem; text-align: right; }
@media (max-width: 760px) { .service { grid-template-columns: 48px 1fr; } .service p { grid-column: 2; text-align: left; } }

/* Quote */
.quote-band { text-align: center; }
.quote-band blockquote { font: italic 400 clamp(1.6rem, 3.2vw, 2.6rem)/1.3 var(--serif); max-width: 30ch; margin: 0 auto 28px; }
.quote-band cite { font-style: normal; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.quote-mark { font: 400 6rem/0.5 var(--serif); color: var(--sage); display: block; margin-bottom: 24px; }

/* Projects grid */
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: 48px; }
.section-head h2 { margin: 0; max-width: 18ch; }
.projects { display: grid; grid-template-columns: repeat(12, 1fr); gap: 28px; }
.project { grid-column: span 4; cursor: pointer; }
.project .media { aspect-ratio: 4 / 5; }
.project--wide { grid-column: span 8; }
.project--wide .media { aspect-ratio: auto; height: 100%; min-height: 100%; }
.project__meta { display: flex; justify-content: space-between; align-items: baseline; padding-top: 16px; gap: 12px; }
.project__meta h3 { font-size: 1.45rem; margin: 0; }
.project__meta span { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.project.is-hidden { display: none; }
@media (max-width: 960px) { .project, .project--wide { grid-column: span 6; } .project--wide .media { aspect-ratio: 4 / 5; height: auto; } }
@media (max-width: 600px) { .project, .project--wide { grid-column: span 12; } }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter { padding: .7em 1.3em; border-radius: 999px; border: 1px solid var(--line); background: transparent; font: 500 .88rem/1 var(--sans); cursor: pointer; color: var(--ink); transition: .25s; }
.filter:hover { border-color: var(--ink); }
.filter.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Cards (resources) */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { background: var(--paper); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; border: 1px solid var(--line); transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px rgba(0,0,0,.08); }
.card .media { border-radius: 0; aspect-ratio: 4 / 3; }
.card__body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.card__body h3 { font-size: 1.7rem; }
.card ul { list-style: none; padding: 0; margin: 0 0 24px; color: var(--muted); font-size: .95rem; }
.card li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.card li:last-child { border: 0; }
.card .link { margin-top: auto; font-weight: 500; font-size: .9rem; display: inline-flex; align-items: center; gap: 8px; }
@media (max-width: 960px) { .cards { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

/* Testimonials */
.testimonials { columns: 2; column-gap: 28px; }
.testimonial { break-inside: avoid; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; margin-bottom: 28px; }
.testimonial p { font: 400 1.18rem/1.55 var(--serif); }
.testimonial footer { display: flex; align-items: center; gap: 14px; font-size: .85rem; color: var(--muted); margin-top: 20px; }
.testimonial footer img { height: 44px; width: auto; }
.testimonial--feature { background: var(--sage); border-color: var(--sage); }
@media (max-width: 860px) { .testimonials { columns: 1; } }

/* Team */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.member .media { aspect-ratio: 3 / 4; }
.member h3 { font-size: 1.4rem; margin: 16px 0 2px; }
.member p { color: var(--muted); font-size: .9rem; margin: 0; }
@media (max-width: 960px) { .team { grid-template-columns: repeat(2, 1fr); } }

/* Masonry gallery */
.gallery { columns: 4 240px; column-gap: 16px; }
.gallery .media { margin-bottom: 16px; break-inside: avoid; cursor: zoom-in; border-radius: 12px; }
.gallery .media img { height: auto; }

/* Design studio */
.study { display: grid; grid-template-columns: 300px 1fr; gap: 48px; padding: 56px 0; border-top: 1px solid var(--line); }
.study h3 { font-size: 2rem; position: sticky; top: 110px; }
.study__tag { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.study__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.study__grid .media { aspect-ratio: 4 / 3; cursor: zoom-in; border-radius: 12px; }
.study__grid .media:first-child:nth-last-child(odd) { grid-column: span 2; aspect-ratio: 16 / 9; }
@media (max-width: 860px) { .study { grid-template-columns: 1fr; gap: 20px; } .study h3 { position: static; } }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: 260px 1fr; gap: 64px; }
.faq-nav { position: sticky; top: 110px; align-self: start; display: flex; flex-direction: column; gap: 4px; }
.faq-nav a { padding: 10px 14px; border-radius: 10px; color: var(--muted); font-size: .95rem; }
.faq-nav a:hover { background: var(--paper); color: var(--ink); }
.faq-group { margin-bottom: 64px; scroll-margin-top: 110px; }
.faq-group > h2 { font-size: 2.2rem; }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px 0; font: 400 1.35rem/1.3 var(--serif); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 300 1.6rem/1 var(--sans); transition: transform .3s var(--ease); flex-shrink: 0; }
details[open] summary::after { transform: rotate(45deg); }
details .answer { padding: 0 0 24px; color: var(--muted); max-width: 70ch; }
@media (max-width: 860px) { .faq-layout { grid-template-columns: 1fr; gap: 24px; } .faq-nav { position: static; flex-direction: row; flex-wrap: wrap; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 96px); }
.info-list { list-style: none; padding: 0; margin: 32px 0; }
.info-list li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.info-list span { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 4vw, 48px); display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 8px; font-size: .82rem; font-weight: 500; }
.form input, .form select, .form textarea {
  font: inherit; font-size: 1rem; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink);
  transition: border-color .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--sage-deep); }
.form textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--sage-deep); min-height: 1.2em; margin: 0; }
.map { border-radius: var(--radius); overflow: hidden; margin-top: 32px; aspect-ratio: 16 / 10; border: 1px solid var(--line); }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4); }
@media (max-width: 860px) { .contact-grid, .form .row { grid-template-columns: 1fr; } }

/* Blog */
.posts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.post { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; display: flex; flex-direction: column; }
.post time { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.post h2 { font-size: 2.2rem; margin: 16px 0; }
.post p { color: var(--muted); }
.post .link { margin-top: auto; font-weight: 500; }
@media (max-width: 860px) { .posts { grid-template-columns: 1fr; } }

/* CTA */
.cta { position: relative; border-radius: calc(var(--radius) + 8px); overflow: hidden; color: #fff; padding: clamp(56px, 9vw, 120px) clamp(24px, 6vw, 80px); }
.cta > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cta::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,12,9,.8), rgba(10,12,9,.25)); }
.cta > div { position: relative; z-index: 1; max-width: 560px; }
.cta p { color: rgba(255,255,255,.8); }

/* Footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 96px 0 32px; margin-top: clamp(72px, 10vw, 140px); }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 48px; padding-bottom: 64px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-top h4 { font: 500 .74rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--sage); margin-bottom: 20px; }
.footer-top ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: .95rem; }
.footer-top a:hover { color: #fff; }
.footer-brand p.big { font: 400 2rem/1.2 var(--serif); color: #fff; max-width: 16ch; }
.footer-brand img { width: 52px; filter: invert(1); margin-bottom: 24px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; font-size: .82rem; }
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: span 2; } }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(12,12,10,.94); display: grid; place-items: center; padding: 24px; opacity: 0; visibility: hidden; transition: .3s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox figure { margin: 0; max-width: 1200px; width: 100%; text-align: center; color: #fff; }
.lightbox img { max-height: 80vh; margin: 0 auto; border-radius: 10px; object-fit: contain; }
.lightbox figcaption { margin-top: 16px; font: 400 1.4rem var(--serif); }
.lightbox figcaption small { display: block; font: .85rem var(--sans); color: rgba(255,255,255,.6); margin-top: 6px; max-width: 70ch; margin-inline: auto; }
.lb-btn { position: absolute; background: rgba(255,255,255,.1); color: #fff; border: 0; width: 52px; height: 52px; border-radius: 50%; font-size: 1.4rem; cursor: pointer; transition: background .2s; }
.lb-btn:hover { background: rgba(255,255,255,.22); }
.lb-close { top: 24px; right: 24px; }
.lb-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 24px; top: 50%; transform: translateY(-50%); }
@media (max-width: 600px) { .lb-prev, .lb-next { top: auto; bottom: 24px; transform: none; } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__media img { animation: none; transform: none; }
  html { scroll-behavior: auto; }
}

.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: 22px 0; white-space: nowrap; }
.marquee__track { display: inline-flex; gap: 48px; animation: marquee 40s linear infinite; font: italic 400 clamp(1.4rem, 2.6vw, 2.2rem)/1 var(--serif); color: var(--muted); }
.marquee__track span::after { content: "✦"; margin-left: 48px; color: var(--sage); font-style: normal; font-size: .7em; }
@keyframes marquee { to { transform: translateX(-50%); } }