:root,
[data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.72rem + 0.18vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.18vw, 1rem);
  --text-base: clamp(1rem, 0.97rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.2rem, 1.05rem + 0.7vw, 1.55rem);
  --text-xl: clamp(1.9rem, 1.3rem + 1.4vw, 2.9rem);
  --text-2xl: clamp(3rem, 2rem + 3.2vw, 5.8rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Manrope', Arial, sans-serif;

  --color-bg: #f5f1ea;
  --color-surface: #fcfaf6;
  --color-surface-2: #efe8de;
  --color-text: #181614;
  --color-text-muted: #69635b;
  --color-border: rgba(24, 22, 20, 0.12);
  --color-divider: rgba(24, 22, 20, 0.08);
  --color-primary: #1e5a55;
  --color-primary-hover: #174a46;
  --color-primary-soft: rgba(30, 90, 85, 0.08);
  --color-text-inverse: #fbf8f3;
  --shadow-sm: 0 1px 2px rgba(16, 16, 16, 0.04);
  --shadow-md: 0 18px 48px rgba(16, 16, 16, 0.08);
  --radius-sm: 0.625rem;
  --radius-md: 1rem;
  --radius-lg: 1.6rem;
  --radius-xl: 2rem;
  --radius-full: 999px;
  --content-width: 1180px;
  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #121211;
  --color-surface: #1a1918;
  --color-surface-2: #22201e;
  --color-text: #f3ede4;
  --color-text-muted: #b3ac9f;
  --color-border: rgba(243, 237, 228, 0.12);
  --color-divider: rgba(243, 237, 228, 0.08);
  --color-primary: #1e5a55;
  --color-primary-hover: #9fd1cc;
  --color-primary-soft: rgba(130, 185, 179, 0.1);
  --color-text-inverse: #121211;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 18px 48px rgba(0,0,0,0.28);
}

* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.68;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: 0; background: none; }
p, li { max-width: 68ch; }

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

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100%;
  z-index: 100;
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: var(--space-4); }

.container {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
}

.section {
  padding: clamp(var(--space-16), 9vw, var(--space-24)) 0;
}

.section-muted { background: var(--color-surface); }
.section-accent {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--color-bg) 84%, transparent);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner,
.footer-inner {
  min-height: 4.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.desktop-nav a,
.mobile-menu a,
.footer-inner a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.desktop-nav a:hover,
.mobile-menu a:hover,
.footer-inner a:hover,
.text-link:hover { color: var(--color-text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle,
.menu-toggle {
  width: 2.85rem;
  height: 2.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.theme-toggle:hover,
.menu-toggle:hover,
.button:hover { transform: translateY(-1px); }

.theme-toggle::before {
  content: '◐';
  font-size: 1rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.32rem;
}

.menu-toggle span {
  width: 1rem;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--color-divider);
}

.mobile-menu nav {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) 0 var(--space-5);
}

.button {
  min-height: 2.95rem;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.button-small { min-height: 2.7rem; padding-inline: 1rem; }
.button-primary { background: var(--color-text); color: var(--color-text-inverse); }
.button-primary:hover { background: var(--color-primary-hover); }
.button-secondary {
  border: 1px solid var(--color-border);
  background: transparent;
}
.button-secondary:hover { background: var(--color-surface); }
.button-light { background: var(--color-text-inverse); color: var(--color-primary); }
.button-outline-light {
  border: 1px solid rgba(255,255,255,0.28);
  color: var(--color-text-inverse);
}

.hero-layout,
.services-layout,
.profile-panel {
  display: grid;
  gap: var(--space-10);
}

.hero-layout {
  grid-template-columns: minmax(0, 1.08fr) minmax(22rem, 0.92fr);
  align-items: end;
  min-height: calc(100dvh - 4.9rem);
}

.eyebrow,
.mini-label,
.project-meta span,
.showcase-label,
.showcase-badge,
.process-step span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.eyebrow {
  margin: 0 0 var(--space-4);
  font-weight: 800;
  color: var(--color-text-muted);
}

.eyebrow-soft { color: rgba(251, 248, 243, 0.74); }

h1, h2, h3 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h1, h2 {
  font-family: var(--font-display);
  font-weight: 400;
}

h1 {
  font-size: var(--text-2xl);
  max-width: 10.5ch;
}

h2 { font-size: var(--text-xl); }

h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.15;
}

p {
  margin: 0;
  color: var(--color-text-muted);
}

.hero-description {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  max-width: 35rem;
}

.hero-actions,
.contact-actions,
.hero-trust,
.tag-list,
.profile-points,
.showcase-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-actions,
.hero-trust { margin-top: var(--space-8); }

.hero-trust {
  list-style: none;
  padding: 0;
  margin-bottom: 0;
}

.hero-trust li,
.tag-list li,
.profile-points span,
.showcase-badge {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.55rem 0.9rem;
  color: var(--color-text-muted);
}

.hero-aside { align-self: center; }

.hero-showcase {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent), var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.showcase-top,
.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.showcase-label,
.project-meta span,
.mini-label,
.process-step span { color: var(--color-text-muted); }

.showcase-screen,
.project-card,
.process-step,
.profile-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.showcase-screen {
  padding: var(--space-6);
}

.showcase-screen-main {
  margin-top: var(--space-5);
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--color-surface-2);
}

.showcase-screen-main p:last-child,
.project-card p,
.service-item p,
.process-step p,
.contact-panel p { margin-top: var(--space-4); }

.showcase-grid {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.showcase-grid strong {
  display: block;
  font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.05em;
  margin: var(--space-3) 0 var(--space-2);
}

.section-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.compact-head { margin-bottom: 0; }

.project-stack,
.process-rail {
  display: grid;
  gap: var(--space-4);
}

.project-stack {
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
}

.project-column {
  display: grid;
  gap: var(--space-4);
}

.project-card,
.process-step,
.profile-panel {
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.project-card-featured {
  background: var(--color-text);
  color: var(--color-text-inverse);
  min-height: 100%;
}

.project-card-featured p,
.project-card-featured .project-meta span,
.text-link-light,
.project-card-featured .tag-list li { color: rgba(251, 248, 243, 0.82); }
.project-card-featured,
.project-card-featured .tag-list li { border-color: rgba(255,255,255,0.12); }

.tag-list {
  list-style: none;
  padding: 0;
  margin: var(--space-8) 0 0;
}

.text-link {
  display: inline-flex;
  margin-top: var(--space-8);
  color: var(--color-primary);
  font-weight: 700;
}

.services-layout {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
}

.service-list {
  display: grid;
  gap: var(--space-6);
}

.service-item {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.process-rail {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-step {
  min-height: 16rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.profile-panel {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.profile-copy {
  display: grid;
  gap: var(--space-6);
}

.contact-panel {
  display: grid;
  gap: var(--space-5);
}

.site-footer {
  padding: var(--space-5) 0 var(--space-8);
}

.footer-inner {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
  color: var(--color-text-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .desktop-nav,
  .header-actions .button-small { display: none; }
  .menu-toggle { display: inline-flex; }
  .hero-layout,
  .services-layout,
  .project-stack,
  .profile-panel,
  .process-rail { grid-template-columns: 1fr; }
  .hero-layout { min-height: auto; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 1.25rem), var(--content-width)); }
  .header-inner,
  .footer-inner { min-height: 4.35rem; }
  .section { padding: var(--space-16) 0; }
  h1 { max-width: 12ch; }
  .hero-description { font-size: var(--text-base); }
  .hero-actions,
  .contact-actions,
  .showcase-grid { display: grid; }
  .button { width: 100%; }
  .showcase-top,
  .project-meta { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

#contacto, #contacto h2, #contacto p, #contacto .eyebrow {
  color: #c1b8b8; 
}

.project-card-featured .text-link-light:hover {
  color: #fbf8f3d1 !important;
  opacity: 1;
}


/* Forzar texto oscuro en la tarjeta destacada cuando el tema es oscuro */
[data-theme="dark"] .project-card-featured {
    background-color: #f4f1ea !important; 
}

[data-theme="dark"] .project-card-featured h3,
[data-theme="dark"] .project-card-featured p,
[data-theme="dark"] .project-card-featured .project-meta span,
[data-theme="dark"] .project-card-featured .tag-list li {
    color: #1a1a1a !important; 
}
/* Corrección del enlace "Ver estrategia y diseño" en modo oscuro sobre fondo crema */
[data-theme="dark"] .project-card-featured .text-link-light:hover {
    color: #1a1a1a !important; 
    opacity: 1;
}

/* Fallback si JS no carga */
@media (scripting: none) {
  .reveal { opacity: 1; transform: none; }
}