/* Estudio de Arquitectura Paco de Lola — design tokens & layout */
:root {
  --color-bg: #fafafa;
  --color-bg-soft: #f3f3f1;
  --color-surface: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-soft: #4a4a4a;
  --color-muted: #7a7a7a;
  --color-line: #e2e2de;
  --color-accent: #1a1a1a;
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 7.5rem;
  --header-h: 4.5rem;
  --max: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 0;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.container--wide {
  width: min(100% - 2.5rem, 1400px);
}

/* Typography */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

h1,
.h1,
h2,
.h2,
h3,
.h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

h1,
.h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  text-transform: uppercase;
}

h2,
.h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  text-transform: uppercase;
}

h3,
.h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
}

.lede {
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  max-width: 38rem;
}

/* Links & buttons */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.15rem;
  transition: gap 0.35s var(--ease), opacity 0.25s ease;
}

.link-arrow:hover {
  gap: 0.85rem;
}

.link-arrow::after {
  content: "→";
  font-size: 1rem;
  line-height: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-ink);
  background: transparent;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.25s ease, color 0.25s ease;
}

.btn:hover,
.btn--solid {
  background: var(--color-ink);
  color: var(--color-surface);
}

.btn--solid:hover {
  background: transparent;
  color: var(--color-ink);
}

.btn--wide {
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-ink);
}

.logo img,
.logo svg {
  height: 2.35rem;
  width: auto;
}

.logo__text {
  display: none;
  flex-direction: column;
  line-height: 1.15;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.logo__text strong {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
}

@media (min-width: 720px) {
  .logo__text {
    display: flex;
  }
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.3s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-bg);
  padding: var(--space-lg) 1.25rem;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 99;
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Hero */
.hero {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-xl) 0 var(--space-lg);
  align-items: center;
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: 1fr 1.15fr;
    gap: var(--space-xl);
    min-height: calc(100vh - var(--header-h) - 2rem);
    padding-top: var(--space-lg);
  }
}

.hero__content {
  animation: rise 0.9s var(--ease) both;
}

.hero__media {
  overflow: hidden;
  background: var(--color-bg-soft);
  animation: rise 1s var(--ease) 0.12s both;
}

.hero__media img {
  width: 100%;
  height: min(70vh, 640px);
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1.2s var(--ease);
}

.hero:hover .hero__media img {
  transform: scale(1.05);
}

.hero .h1 {
  margin-bottom: var(--space-md);
}

.hero .lede {
  margin-bottom: var(--space-md);
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

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

.section__head {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (min-width: 900px) {
  .section__head--split {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
}

.split {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  .split--reverse > :first-child {
    order: 2;
  }
}

.split__media {
  background: var(--color-bg-soft);
  overflow: hidden;
}

.split__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* Values */
.values {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 800px) {
  .values {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value {
  padding: var(--space-lg) var(--space-md);
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 800px) {
  .value {
    border-bottom: 0;
    border-right: 1px solid var(--color-line);
  }
  .value:last-child {
    border-right: 0;
  }
}

.value__icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-ink);
}

.value h3 {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.value p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

/* Project grid */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-md) 0 var(--space-lg);
}

.filter-btn {
  border: 1px solid var(--color-line);
  background: transparent;
  padding: 0.55rem 1rem;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-surface);
}

.project-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md) var(--space-sm);
  }
}

.project-card {
  display: block;
  color: inherit;
}

.project-card__media {
  overflow: hidden;
  background: var(--color-bg-soft);
  margin-bottom: 0.75rem;
}

.project-card__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.project-card:hover .project-card__media img {
  transform: scale(1.04);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.2rem;
}

.project-card__cat {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.project-card.is-hidden {
  display: none;
}

/* Project detail */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  color: var(--color-ink-soft);
}

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

.project-hero {
  margin-bottom: var(--space-lg);
}

.project-hero img {
  width: 100%;
  max-height: 72vh;
  object-fit: cover;
}

.project-meta-grid {
  display: grid;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

@media (min-width: 900px) {
  .project-meta-grid {
    grid-template-columns: 1.4fr 0.8fr;
  }
}

.meta-list {
  display: block;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
}

.meta-list div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.95rem;
}

.meta-list dt {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0;
  flex-shrink: 0;
}

.meta-list dd {
  margin: 0;
  text-align: right;
}

.project-copy p {
  color: var(--color-ink-soft);
  margin: 0 0 1rem;
}

.gallery {
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: 1fr;
  margin-top: var(--space-xl);
}

@media (min-width: 700px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Process / services */
.process,
.services-list {
  display: grid;
  gap: 0;
}

@media (min-width: 800px) {
  .process {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process__item,
.service {
  padding: var(--space-md);
  border-top: 1px solid var(--color-line);
}

@media (min-width: 800px) {
  .process__item {
    border-top: 0;
    border-left: 1px solid var(--color-line);
    padding: var(--space-lg) var(--space-md);
  }
  .process__item:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

.process__num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.service {
  padding: var(--space-lg) 0;
}

.service ul {
  margin: var(--space-sm) 0 0;
  padding-left: 1.1rem;
  color: var(--color-ink-soft);
}

.quote-block {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.3;
  font-weight: 600;
  max-width: 40rem;
  margin: var(--space-lg) 0;
}

.awards {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
}

.awards li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-soft);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
  }
}

.contact-card {
  display: grid;
  gap: var(--space-md);
}

.contact-card a {
  border-bottom: 1px solid transparent;
}

.contact-card a:hover {
  border-bottom-color: currentColor;
}

.form {
  display: grid;
  gap: var(--space-sm);
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 0.85rem 1rem;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: 2px solid var(--color-ink);
  outline-offset: 1px;
}

.form textarea {
  min-height: 9rem;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    align-items: start;
  }
}

.footer-quote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.35;
  font-weight: 600;
  margin: 0;
}

.footer-block h3 {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.footer-block p,
.footer-block a {
  color: var(--color-ink-soft);
  margin: 0 0 0.35rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal a:hover {
  color: var(--color-ink);
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.empty-state {
  padding: var(--space-xl) 0;
  color: var(--color-muted);
  text-align: center;
}

.page-title {
  padding: var(--space-xl) 0 var(--space-sm);
}