/* ==========================================================
   Gran Espacio Arquitectos — Edición Premium
   Paleta y tipografías editables en :root
   ========================================================== */
:root {
  --bone: #f3f0ea;        /* fondo principal */
  --bone-2: #e9e4db;
  --ink: #121211;         /* texto / negro cálido */
  --night: #0d0d0c;       /* secciones oscuras */
  --stone: #8b857b;       /* texto secundario */
  --line: rgba(18, 18, 17, .14);
  --line-dark: rgba(243, 240, 234, .16);
  --gold: #c99a45;        /* acento (tono del logotipo) — usar con moderación */
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;
  --gutter: clamp(16px, 4vw, 56px);
  --ease: cubic-bezier(.22, .61, .21, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bone); color: var(--ink);
  font: 300 17px/1.7 var(--sans); letter-spacing: .01em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
  font-variant-numeric: lining-nums;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--gold); color: var(--night); }

.px { padding-inline: var(--gutter); }
.label {
  font: 400 .72rem/1 var(--sans); letter-spacing: .28em; text-transform: uppercase; color: var(--stone);
  display: inline-flex; align-items: center; gap: 14px;
}
.label::before { content: ""; width: 34px; height: 1px; background: currentColor; }
h1, h2, h3 { font-family: var(--serif); font-weight: 300; margin: 0; line-height: 1.02; letter-spacing: -.015em; }
em { font-style: italic; }
.link {
  position: relative; font: 400 .78rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase;
  padding-bottom: 8px; display: inline-block;
}
.link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: currentColor;
  transform-origin: right; transition: transform .6s var(--ease);
}
.link:hover::after { transform: scaleX(0); }
.link--arrow::before { content: "→"; margin-right: 12px; transition: margin .4s var(--ease); }
.link--arrow:hover::before { margin-right: 18px; }

/* ---------- Preloader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 200; background: var(--night); color: var(--bone);
  display: grid; place-items: center; transition: transform 1.1s var(--ease) .2s;
}
.loader span { font: 300 clamp(1.6rem, 4vw, 2.6rem) var(--serif); letter-spacing: .3em; text-transform: uppercase; opacity: 0; animation: fadeIn 1s var(--ease) forwards; }
.loader.is-done { transform: translateY(-100%); }
@keyframes fadeIn { to { opacity: 1; } }

/* ---------- Header ---------- */
.hdr {
  position: fixed; inset: 0 0 auto; z-index: 80; color: var(--bone);
  display: flex; align-items: center; justify-content: space-between; height: 92px;
  transition: transform .5s var(--ease), background .5s var(--ease), height .5s var(--ease);
}
.hdr.is-solid { background: rgba(13, 13, 12, .92); backdrop-filter: blur(12px); height: 74px; }
.hdr.is-hidden { transform: translateY(-100%); }
.hdr__logo img { height: 42px; width: auto; }
.hdr__nav { display: flex; gap: clamp(20px, 3vw, 44px); align-items: center; }
.hdr__nav a:not(.link) { font: 400 .74rem/1 var(--sans); letter-spacing: .24em; text-transform: uppercase; opacity: .78; transition: opacity .3s; }
.hdr__nav a:not(.link):hover { opacity: 1; }
.menu-btn { display: none; background: none; border: 0; color: inherit; font: 400 .74rem var(--sans); letter-spacing: .24em; text-transform: uppercase; cursor: pointer; padding: 10px 0; }
@media (max-width: 900px) {
  .menu-btn { display: block; position: relative; z-index: 2; }
  .hdr__nav {
    position: fixed; inset: 0; background: var(--night); flex-direction: column; justify-content: center; gap: 30px;
    opacity: 0; visibility: hidden; transition: .5s var(--ease);
  }
  .hdr__nav.is-open { opacity: 1; visibility: visible; }
  .hdr__nav a:not(.link) { font: 300 2.2rem var(--serif); letter-spacing: 0; text-transform: none; opacity: 1; }
}

/* ---------- Hero ---------- */
.hero { position: relative; height: 100svh; min-height: 620px; color: var(--bone); overflow: hidden; background: var(--night); }
.hero__img { position: absolute; inset: 0; }
.hero__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); animation: heroZoom 9s var(--ease) forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero::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%); }
.hero__content {
  position: absolute; inset: auto 0 0; z-index: 2; padding-bottom: clamp(36px, 6vh, 72px);
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 40px;
}
.hero h1 { font-size: clamp(3rem, 8.6vw, 8.4rem); max-width: 11ch; }
.hero h1 em { color: var(--bone-2); }
.hero__aside { max-width: 300px; font-size: .95rem; color: rgba(243,240,234,.82); }
.hero__aside p { margin: 0 0 22px; }
.hero__scroll { position: absolute; left: 50%; bottom: 26px; z-index: 2; width: 1px; height: 56px; background: rgba(243,240,234,.3); overflow: hidden; }
.hero__scroll::after { content: ""; position: absolute; inset: 0; background: var(--bone); animation: scrollLine 2.2s var(--ease) infinite; }
@keyframes scrollLine { from { transform: translateY(-100%); } to { transform: translateY(100%); } }
@media (max-width: 760px) { .hero__content { grid-template-columns: 1fr; } .hero__scroll { display: none; } }

/* Texto que aparece línea por línea */
.split-line { display: block; overflow: hidden; }
.split-line > span { display: block; transform: translateY(105%); transition: transform 1.2s var(--ease); }
.is-in .split-line > span, .split-line.is-in > span { transform: none; }
.split-line:nth-child(2) > span { transition-delay: .12s; }
.split-line:nth-child(3) > span { transition-delay: .24s; }

/* ---------- Manifiesto ---------- */
.manifesto { padding-block: clamp(100px, 16vw, 220px) clamp(80px, 10vw, 140px); }
.manifesto__grid { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.manifesto__text { font: 300 clamp(1.8rem, 3.6vw, 3.4rem)/1.18 var(--serif); letter-spacing: -.01em; margin: 0; max-width: 1000px; }
.manifesto__text .muted { color: var(--stone); }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin-top: clamp(70px, 9vw, 120px); }
.fact { padding: 28px 24px 0 0; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--line); }
.fact strong { display: block; font: 300 clamp(2.4rem, 4.4vw, 4rem)/1 var(--serif); margin-bottom: 10px; }
.fact span { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--stone); }
@media (max-width: 860px) {
  .manifesto__grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact { padding-bottom: 28px; }
}

/* ---------- Obras ---------- */
.works { padding-bottom: clamp(80px, 12vw, 180px); }
.works__head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: clamp(50px, 7vw, 100px); }
.works__head h2 { font-size: clamp(2.8rem, 7vw, 6.6rem); }
.works__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(40px, 6vw, 90px) clamp(16px, 2.4vw, 36px); }
.work { display: block; }
.work__media { overflow: hidden; position: relative; background: var(--bone-2); }
.work__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.6s var(--ease); }
.work:hover .work__media img { transform: scale(1.02); }
.work__meta { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding-top: 18px; border-top: 1px solid var(--line); margin-top: 18px; }
.work__meta h3 { font-size: clamp(1.5rem, 2.4vw, 2.2rem); }
.work__meta span { font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--stone); white-space: nowrap; }
.work__idx { font: 400 .74rem var(--sans); letter-spacing: .2em; color: var(--stone); margin-right: 14px; }
/* composición editorial asimétrica */
.w1 { grid-column: 1 / 8; } .w1 .work__media { aspect-ratio: 4/3; }
.w2 { grid-column: 9 / 13; margin-top: 22vw; } .w2 .work__media { aspect-ratio: 3/4; }
.w3 { grid-column: 2 / 6; } .w3 .work__media { aspect-ratio: 3/4; }
.w4 { grid-column: 7 / 13; margin-top: 10vw; } .w4 .work__media { aspect-ratio: 5/4; }
.w5 { grid-column: 1 / 13; } .w5 .work__media { aspect-ratio: 21/9; }
.w6 { grid-column: 1 / 6; } .w6 .work__media { aspect-ratio: 4/5; }
.w7 { grid-column: 7 / 12; margin-top: 14vw; } .w7 .work__media { aspect-ratio: 4/5; }
@media (max-width: 760px) {
  .works__head { flex-direction: column; align-items: start; }
  .works__grid > .work { grid-column: 1 / -1; margin-top: 0; }
  .works__grid .work__media { aspect-ratio: 4/3 !important; }
}

/* Revelado de imagen con cortina */
.reveal-img { clip-path: inset(12% 0 12% 0); transition: clip-path 1.6s var(--ease); }
.reveal-img.is-in { clip-path: inset(0 0 0 0); }
.reveal-img.is-in img { transform: scale(1); }
.fade { opacity: 0; transform: translateY(30px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.fade.is-in { opacity: 1; transform: none; }

/* ---------- Cinta de texto ---------- */
.ribbon { border-block: 1px solid var(--line); padding: 26px 0; overflow: hidden; white-space: nowrap; }
.ribbon__track { display: inline-flex; gap: 60px; animation: ribbon 40s linear infinite; font: 300 clamp(2rem, 4.4vw, 3.8rem)/1 var(--serif); }
.ribbon__track span::after { content: "✦"; font-size: .4em; color: var(--gold); margin-left: 60px; vertical-align: middle; }
@keyframes ribbon { to { transform: translateX(-50%); } }

/* ---------- Disciplinas ---------- */
.disc { padding-block: clamp(90px, 12vw, 180px); }
.disc__grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.disc__intro p { color: var(--stone); max-width: 34ch; margin-top: 28px; }
.disc__list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.disc__item {
  display: grid; grid-template-columns: 70px 1fr auto; align-items: baseline; gap: 20px;
  padding: 30px 0; border-bottom: 1px solid var(--line); cursor: default; position: relative;
}
.disc__item .n { font-size: .76rem; letter-spacing: .2em; color: var(--stone); }
.disc__item h3 { font-size: clamp(1.9rem, 3.6vw, 3.2rem); transition: transform .6s var(--ease), color .4s; }
.disc__item p { grid-column: 2 / 3; margin: 10px 0 0; color: var(--stone); max-width: 52ch; font-size: .97rem; }
.disc__item:hover h3 { transform: translateX(14px); font-style: italic; }
.disc__item .arrow { font-size: 1.4rem; opacity: .4; transition: .4s var(--ease); }
.disc__item:hover .arrow { opacity: 1; transform: rotate(-45deg); color: var(--gold); }
.hover-img {
  position: fixed; z-index: 60; width: 300px; aspect-ratio: 4/5; pointer-events: none; overflow: hidden;
  opacity: 0; transform: translate(-50%, -50%) scale(.9); transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.hover-img.is-on { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.hover-img img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 860px) { .disc__grid { grid-template-columns: 1fr; } .disc__item { grid-template-columns: 44px 1fr auto; } .hover-img { display: none; } }

/* ---------- Método (oscuro) ---------- */
.dark { background: var(--night); color: var(--bone); }
.dark .label, .dark .muted { color: #9d978c; }
.method { padding-block: clamp(90px, 12vw, 180px); }
.method h2 { font-size: clamp(2.6rem, 6vw, 5.6rem); max-width: 14ch; margin: 26px 0 clamp(60px, 8vw, 110px); }
.method__steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.mstep { padding: 34px 28px 0 0; }
.mstep + .mstep { padding-left: 28px; border-left: 1px solid var(--line-dark); }
.mstep .n { font: 300 1rem var(--serif); color: var(--gold); letter-spacing: .1em; }
.mstep h3 { font-size: 1.9rem; margin: 18px 0 14px; }
.mstep p { color: #a9a397; font-size: .95rem; margin: 0; }
@media (max-width: 960px) {
  .method__steps { grid-template-columns: 1fr 1fr; }
  .mstep:nth-child(3) { padding-left: 0; border-left: 0; }
  .mstep { padding-bottom: 34px; }
}
@media (max-width: 560px) { .method__steps { grid-template-columns: 1fr; } .mstep, .mstep + .mstep { padding-left: 0; border-left: 0; } }

/* ---------- Galería horizontal ---------- */
.strip { padding: clamp(90px, 10vw, 140px) 0 0; }
.strip__track { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 40px var(--gutter) 10px; scrollbar-width: none; cursor: grab; }
.strip__track::-webkit-scrollbar { display: none; }
.strip__track figure { margin: 0; flex: 0 0 clamp(260px, 32vw, 460px); scroll-snap-align: start; }
.strip__track img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.strip__track figcaption { font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--stone); padding-top: 14px; }

/* ---------- Testimonios ---------- */
.voices { padding-block: clamp(100px, 14vw, 200px); text-align: center; }
.voices__wrap { position: relative; max-width: 1000px; margin: 40px auto 0; min-height: 300px; }
.voice { position: absolute; inset: 0; opacity: 0; transition: opacity 1s var(--ease); margin: 0; }
.voice.is-active { opacity: 1; position: relative; }
.voice blockquote { font: 300 clamp(1.5rem, 3vw, 2.5rem)/1.3 var(--serif); margin: 0 0 30px; font-style: italic; }
.voice figcaption { font-size: .76rem; letter-spacing: .24em; text-transform: uppercase; color: var(--stone); }
.voices__dots { display: flex; justify-content: center; gap: 12px; margin-top: 40px; }
.voices__dots button { width: 40px; height: 1px; padding: 8px 0; border: 0; background: none; cursor: pointer; position: relative; }
.voices__dots button::after { content: ""; position: absolute; inset: 8px 0 auto; height: 1px; background: var(--line); }
.voices__dots button.is-active::after { background: var(--ink); }

/* ---------- Contacto ---------- */
.contact { padding-block: clamp(90px, 12vw, 170px); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 8vw, 130px); }
.contact h2 { font-size: clamp(2.8rem, 6.2vw, 5.8rem); margin: 26px 0 36px; }
.contact__info { display: grid; gap: 26px; font-size: .97rem; color: #b8b2a6; }
.contact__info b { display: block; font-weight: 400; font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; color: var(--bone); margin-bottom: 6px; }
.contact__info a:hover { color: var(--gold); }
.pform { display: grid; gap: 6px; align-content: start; }
.pfield { position: relative; border-bottom: 1px solid var(--line-dark); }
.pfield input, .pfield select, .pfield textarea {
  width: 100%; background: transparent; border: 0; color: var(--bone); font: 300 1.1rem var(--sans);
  padding: 30px 0 14px; outline: none; border-radius: 0; -webkit-appearance: none; appearance: none;
}
.pfield select option { color: var(--ink); }
.pfield textarea { resize: vertical; min-height: 90px; }
.pfield label {
  position: absolute; left: 0; top: 30px; font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; color: #8f897e;
  pointer-events: none; transition: .4s var(--ease);
}
.pfield input:focus + label, .pfield input:not(:placeholder-shown) + label,
.pfield textarea:focus + label, .pfield textarea:not(:placeholder-shown) + label,
.pfield select:focus + label, .pfield select.has-value + label { top: 6px; font-size: .64rem; color: var(--gold); }
.pfield::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 100%; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.pfield:focus-within::after { transform: scaleX(1); }
.pform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.pform__trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.pbtn {
  margin-top: 36px; justify-self: start; background: var(--bone); color: var(--night); border: 0; cursor: pointer;
  font: 400 .76rem var(--sans); letter-spacing: .26em; text-transform: uppercase; padding: 22px 40px; transition: .4s var(--ease);
}
.pbtn:hover { background: var(--gold); }
.pbtn[disabled] { opacity: .5; cursor: wait; }
.pform small { color: #7d776c; font-size: .78rem; margin-top: 14px; }
.pform__status { margin: 18px 0 0; font-size: .95rem; min-height: 1.5em; color: #b8b2a6; }
.pform__status.is-error { color: #e0a17a; }
.pform__status a { color: var(--gold); border-bottom: 1px solid currentColor; }
.pform__done { padding: 40px 0; }
.pform__done h3 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 18px; }
.pform__done h3 em { color: var(--gold); }
.pform__done p { color: #b8b2a6; max-width: 40ch; }
.map { width: 100%; aspect-ratio: 16/10; border: 0; filter: grayscale(1) contrast(.9) brightness(.8); margin-top: 10px; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } .pform__row { grid-template-columns: 1fr; gap: 0; } }

/* ---------- Footer ---------- */
.ftr { background: var(--night); color: #8f897e; padding-bottom: 30px; border-top: 1px solid var(--line-dark); }
.ftr__big { font: 300 clamp(3.2rem, 14.5vw, 15rem)/.9 var(--serif); color: var(--bone); letter-spacing: -.03em; padding: 60px 0 40px; white-space: nowrap; }
.ftr__big em { color: var(--gold); }
.ftr__row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; border-top: 1px solid var(--line-dark); padding-top: 26px; }
.ftr__row nav { display: flex; gap: 28px; flex-wrap: wrap; }
.ftr a:hover { color: var(--bone); }

/* WhatsApp discreto */
.wa {
  position: fixed; right: 22px; bottom: 22px; z-index: 70; width: 54px; height: 54px; border-radius: 50%;
  background: var(--night); color: var(--bone); display: grid; place-items: center; border: 1px solid var(--line-dark);
  transition: .4s var(--ease);
}
.wa:hover { background: var(--gold); color: var(--night); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .split-line > span, .fade { transform: none; opacity: 1; }
  .reveal-img { clip-path: none; }
  .loader { display: none; }
}

/* Números alineados (Cormorant usa números antiguos por defecto) */
.fact strong, .mstep .n, .work__idx, .ftr__big, h1, h2, h3 { font-variant-numeric: lining-nums; }