/* ==========================================================================
   New Bordes - Sitio Web Personal - Hojas de Estilo Consolidadas
   ========================================================================== */

/* ==========================================
   DESIGN TOKENS
   ========================================== */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3.5rem,   1rem    + 7vw,    9rem);

  --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;
  --space-32: 8rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Geist', 'Inter', sans-serif;
}

/* PALETA PERSONALIZADA — dark-first para este boceto */
:root, [data-theme="dark"] {
  --color-bg:              #111110;
  --color-surface:         #161615;
  --color-surface-2:       #1c1c1a;
  --color-surface-offset:  #222220;
  --color-surface-dynamic: #2a2a28;
  --color-divider:         #2e2e2b;
  --color-border:          oklch(from #e0ddd7 l c h / 0.10);

  --color-text:            #e8e6e1;
  --color-text-muted:      #888880;
  --color-text-faint:      #494947;
  --color-text-inverse:    #111110;

  /* Acento: un blanco cálido para énfasis tipográfico */
  --color-accent:          #f0ece4;
  --color-accent-muted:    oklch(from #f0ece4 l c h / 0.12);

  /* CTA: un rojo-terracota sobrio */
  --color-primary:         #c5604a;
  --color-primary-hover:   #d97060;
  --color-primary-active:  #a84e39;
  --color-primary-surface: oklch(from #c5604a l c h / 0.12);

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

[data-theme="light"] {
  --color-bg:              #f5f3ef;
  --color-surface:         #f9f8f5;
  --color-surface-2:       #fdfcfb;
  --color-surface-offset:  #eeece8;
  --color-surface-dynamic: #e6e3de;
  --color-divider:         #ddd9d3;
  --color-border:          oklch(from #28251d l c h / 0.10);

  --color-text:            #1e1c18;
  --color-text-muted:      #6a6860;
  --color-text-faint:      #b8b5ae;
  --color-text-inverse:    #f5f3ef;

  --color-accent:          #1e1c18;
  --color-accent-muted:    oklch(from #1e1c18 l c h / 0.07);

  --color-primary:         #b85040;
  --color-primary-hover:   #c56050;
  --color-primary-active:  #9a3e30;
  --color-primary-surface: oklch(from #b85040 l c h / 0.08);

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.12);
}

/* ==========================================
   BASE RESET
   ========================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}
img { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; background: none; border: none; color: inherit; font: inherit; }
a { color: inherit; text-decoration: none; }
p, li { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.1; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
::selection { background: oklch(from var(--color-primary) l c h / 0.2); color: var(--color-text); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================
   NAV
   ========================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}

.nav-logo {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  transition: color var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a.active {
  color: var(--color-primary);
  font-weight: 500;
}

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

.nav-cta {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}
.nav-cta:hover {
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.25);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-accent-muted);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav { padding: var(--space-4) var(--space-5); }
  .nav-links { display: none; }
  .nav-cta { display: none; }
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-32) var(--space-8) var(--space-16);
  overflow: hidden;
}

.hero-bg {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	opacity: 0.35;
	filter: grayscale(30%);
	z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--color-bg) 0%,
    oklch(from var(--color-bg) l c h / 0.75) 40%,
    oklch(from var(--color-bg) l c h / 0.3) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
}

.hero-title em {
  font-style: italic;
  color: var(--color-text-muted);
}

.hero-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: end;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

.hero-statement {
  font-size: var(--text-lg);
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.4;
  max-width: 52ch;
}

.hero-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 40ch;
  text-align: right;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-text-faint);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.7; transform: scaleY(0.6); transform-origin: top; }
}

@media (max-width: 768px) {
  .hero { padding: var(--space-24) var(--space-5) var(--space-12); }
  .hero-bottom { grid-template-columns: 1fr; gap: var(--space-5); }
  .hero-sub { text-align: left; }
  .hero-scroll { display: none; }
}

/* ==========================================
   SECCIÓN GENERAL
   ========================================== */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  padding-inline: var(--space-8);
}
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
}
.section-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-10);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-text-faint);
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .section { padding-inline: var(--space-5); }
}

/* ==========================================
   ENFOQUE
   ========================================== */
.enfoque-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.enfoque-headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.15;
  position: sticky;
  top: var(--space-24);
}

.enfoque-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 56ch;
  margin-bottom: var(--space-6);
}

.enfoque-body p strong {
  color: var(--color-text);
  font-weight: 500;
}

.enfoque-list {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.enfoque-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.55;
}
.enfoque-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: var(--text-xs);
  top: 0.15em;
}

@media (max-width: 900px) {
  .enfoque-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .enfoque-headline { position: static; }
}

/* ==========================================
   TRABAJO — NODOS
   ========================================== */
.trabajo-intro {
  max-width: 60ch;
  margin-bottom: var(--space-16);
}
.trabajo-intro p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
}

.nodos {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.nodo {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-interactive);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nodo:last-child { border-bottom: none; }

.nodo-header {
  display: grid;
  grid-template-columns: var(--space-10) 1fr auto;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.nodo-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
  font-style: italic;
}

.nodo-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nodo-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.2;
}

.nodo-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-1);
}

.tag {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  font-weight: 400;
}
.tag + .tag::before {
  content: '·';
  margin-right: var(--space-2);
}

.nodo-toggle {
  width: 32px; height: 32px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1.2em;
  flex-shrink: 0;
  transition: transform var(--transition-interactive), background var(--transition-interactive), color var(--transition-interactive);
}


.nodo.open .nodo-toggle {
  /*transform: rotate(45deg);*/
  background: var(--color-accent-muted);
  color: var(--color-text);
}

/* Efecto hover elegante para escritorio para indicar clickabilidad */
.nodo:hover .nodo-toggle {
  background-color: rgba(230, 92, 0, 0.05); /* Un fondo naranja muy sutil al pasar el mouse */
  transform: scale(1.05);
}


.nodo-body {
  display: none;
  padding: 0 var(--space-8) var(--space-8);
  padding-left: calc(var(--space-10) + var(--space-6));
}
.nodo.open .nodo-body { display: grid; }
.nodo.open { background: var(--color-surface-2); }

.nodo-body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.nodo-text-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.nodo-section-title {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.nodo-text-block p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 52ch;
}

.nodo-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  opacity: 0.85;
  filter: grayscale(20%);
  transition: opacity var(--transition-interactive);
}
.nodo:hover .nodo-img { opacity: 1; }

.nodo-img-caption {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .nodo-header { grid-template-columns: var(--space-8) 1fr auto; padding: var(--space-5) var(--space-5); }
  .nodo-body { padding-left: var(--space-5); padding-right: var(--space-5); }
  .nodo-body-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .nodo-img { order: -1; }
}

/* ==========================================
   QUIÉN SOY
   ========================================== */
.quien-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  align-items: start;
}

.quien-sidebar {
  position: sticky;
  top: var(--space-24);
}

.quien-nombre {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.quien-rol {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.quien-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.quien-link {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-interactive);
}
.quien-link:hover { color: var(--color-primary); }
.quien-link::before { content: '↗'; font-size: 0.8em; }

.quien-bio {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.quien-bio p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 62ch;
}
.quien-bio p strong {
  color: var(--color-text);
  font-weight: 500;
}

.hitos {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hito {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: var(--space-5);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.hito:last-child { border-bottom: none; }

.hito-year {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
  font-style: italic;
}
.hito-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.hito-desc strong { color: var(--color-text); font-weight: 500; }

@media (max-width: 900px) {
  .quien-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .quien-sidebar { position: static; }
}

/* ==========================================
   MÓDULO SND
   ========================================== */
.snd-band {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.snd-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-10) var(--space-8);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: center;
}

.snd-label {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.snd-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.snd-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.65;
}

.btn-snd {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: border-color var(--transition-interactive), background var(--transition-interactive), color var(--transition-interactive);
}
.btn-snd:hover {
  border-color: oklch(from var(--color-text) l c h / 0.3);
  background: var(--color-accent-muted);
}
.btn-snd-arrow { font-size: 0.9em; transition: transform var(--transition-interactive); }
.btn-snd:hover .btn-snd-arrow { transform: translateX(3px); }

@media (max-width: 768px) {
  .snd-inner { grid-template-columns: 1fr; padding: var(--space-8) var(--space-5); }
}

/* ==========================================
   STATEMENT DE CIERRE
   ========================================== */
.statement-section {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  padding-inline: var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.statement-bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.06;
  filter: grayscale(100%);
  z-index: 0;
}

.statement-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-default);
  margin: 0 auto;
}

.statement-text {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.statement-text em {
  font-style: italic;
  color: var(--color-text-muted);
}

.statement-sub {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
}

@media (max-width: 768px) {
  .statement-section { padding-inline: var(--space-5); }
}

/* ==========================================
   CONTACTO / CTA
   ========================================== */
.contacto {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  padding-inline: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.contacto-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contacto-left h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: var(--space-5);
}
.contacto-left p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.contacto-right {
  padding-top: var(--space-2);
}
.contacto-right p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 56ch;
  margin-bottom: var(--space-5);
}
.contacto-detail {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.contacto-detail strong {
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contacto-email {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.contacto-email:hover { color: var(--color-primary); }

@media (max-width: 768px) {
  .contacto { padding-inline: var(--space-5); }
  .contacto-inner { grid-template-columns: 1fr; gap: var(--space-8); }
}

/* ==========================================
   FOOTER MEJORADO
   ========================================== */
.footer-custom {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-7);
  padding-bottom: var(--space-12);
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.footer-container {
  width: 100%;
}
.footer-top {
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-4);
}
.footer-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.footer-middle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.footer-social-link {
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-offset);
  transition: color var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive);
}
.footer-social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-surface-dynamic);
}
.footer-right {
  /* Prevenir solapamiento con el botón flotante de subir al inicio */
  padding-right: var(--space-12);
}
.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .footer-custom {
    padding-top: var(--space-5);
    padding-bottom: var(--space-8);
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
  .footer-middle { flex-direction: column; align-items: flex-start; gap: var(--space-6); }
  .footer-right { padding-right: 0; }
}

/* ==========================================
   SCROLL REVEALS
   ========================================== */
.reveal {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 70%;
  }
  @keyframes reveal-fade { to { opacity: 1; } }
}

/* ==========================================
   BOTÓN VOLVER AL INICIO
   ========================================== */
.scroll-top-btn {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 200;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive);
}

.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-surface-offset);
}

/* ==========================================
   MODAL DE CONTACTO & TRANSICIONES
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: oklch(from var(--color-bg) l c h / 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-interactive);
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  transform: translateY(16px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.show .modal-container {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
}

.close-button {
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
  padding: var(--space-1);
}

.close-button:hover {
  color: var(--color-primary);
}

.modal-context {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

/* Form Styles */
.php-email-form-modal {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive), background-color var(--transition-interactive);
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface-dynamic);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

/* Status Styles */
.form-status {
  margin-top: var(--space-2);
}

.loading {
  display: none;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-style: italic;
  margin-bottom: var(--space-2);
}

.error-message {
  display: none;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-style: italic;
  border-left: 2px solid var(--color-primary);
  padding-left: var(--space-3);
  margin-bottom: var(--space-2);
}

.sent-message {
  display: none;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.45;
  margin-bottom: var(--space-2);
}

.d-block {
  display: block !important;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-2);
}

.form-actions .btn-primary {
  width: auto;
}

/* ==========================================
   LIGHTBOX / GALERÍA DE IMÁGENES
   ========================================== */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 85vw;
  max-height: 80vh;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.lightbox-caption {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  text-align: center;
  letter-spacing: 0.02em;
  max-width: 600px;
  transition: opacity 0.2s ease;
}

.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: 2.5rem;
  line-height: 1;
  color: #fff;
  opacity: 0.6;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1110;
  padding: var(--space-1);
  transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.lightbox-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0.7;
  cursor: pointer;
  z-index: 1110;
  transition: opacity 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.lightbox-prev {
  left: var(--space-6);
}

.lightbox-next {
  right: var(--space-6);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-50%) scale(1.05);
}

.lightbox-counter {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.lightbox-series-badge {
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1110;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.lightbox-series-badge span {
  color: var(--color-primary);
  font-weight: 500;
}

/* Miniaturas para galerías de nodos */
.nodo-gallery-thumbnails {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
  width: 100%;
}

.nodo-gallery-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  opacity: 0.7;
  filter: grayscale(20%);
  cursor: pointer;
  transition: opacity var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}

.nodo-gallery-thumb:hover {
  opacity: 1;
  border-color: var(--color-primary);
  transform: scale(1.02);
}

.nodo-img-clickable {
  cursor: pointer;
}

/* Proporción 3:2 específica para el Nodo 04 (Fotografía) */
#nodo-d .nodo-img,
#nodo-d .nodo-gallery-thumb {
  aspect-ratio: 3/2;
}

/* For mobile layout */
@media (max-width: 768px) {
  .lightbox-prev,
  .lightbox-next {
    width: 38px;
    height: 38px;
  }
  .lightbox-prev {
    left: var(--space-2);
  }
  .lightbox-next {
    right: var(--space-2);
  }
  .lightbox-content {
    max-width: 95vw;
  }
  .lightbox-content img {
    max-height: 60vh;
  }
  .lightbox-series-badge {
    top: var(--space-4);
    left: var(--space-4);
    font-size: 10px;
    padding: 4px 10px;
  }
  .lightbox-close {
    top: var(--space-4);
    right: var(--space-4);
  }
}



/* ==========================================
   MOBILE BOTTOM NAVIGATION (Glassmorphism)
   ========================================== */
.mobile-bottom-nav {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 99;
  
  /* Dimensions & Grid layout */
  width: calc(100% - var(--space-8));
  max-width: 360px;
  display: none; /* hidden on desktop by default */
  grid-template-columns: repeat(4, 1fr);
  
  /* Fluid padding & styling */
  padding: var(--space-2) var(--space-3);
  border-radius: 20px;
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  background: oklch(from var(--color-surface) l c h / 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg), 0 4px 20px oklch(0 0 0 / 0.15);
  transition: 
    transform 320ms cubic-bezier(0.16, 1, 0.3, 1), 
    opacity 300ms ease, 
    background-color var(--transition-interactive),
    border-color var(--transition-interactive);
}

.mobile-bottom-nav.mobile-nav-hidden {
  transform: translate(-50%, calc(100% + var(--space-10))); /* Hides fluidly downstairs */
  opacity: 0;
  pointer-events: none;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  transition: color var(--transition-interactive), transform 120ms ease;
  padding: var(--space-1) 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-item:active {
  transform: scale(0.92);
}

.mobile-nav-icon {
  stroke-width: 1.8;
  color: inherit;
  transition: stroke-width var(--transition-interactive), color var(--transition-interactive);
}

.mobile-nav-text {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-top: 4px;
}

/* Active & interaction states */
.mobile-nav-item.active {
  color: var(--color-primary);
}

.mobile-nav-item.active .mobile-nav-icon {
  stroke-width: 2.25;
}

/* Display on mobile only */
@media (max-width: 768px) {
  .mobile-bottom-nav {
    display: grid;
  }
}