/* ==========================================================================
   DOBLEO - ESTUDIO DE DISEÑO DE INTERIORES
   SISTEMA DE DISEÑO EMOCIONAL Y EDITORIAL (VANILLA CSS)
   ========================================================================== */

/* Imports */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,600;1,700&family=Jost:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600;1,700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* Reset & Root Variables */
:root {
  /* Color Palette - Beige & Bordó */
  --color-bg: hsl(35, 33%, 95%);           /* Beige Cálido Arena */
  --color-bg-darker: hsl(35, 25%, 91%);    /* Beige Contraste */
  --color-accent: #66292f;                 /* Bordó Emocional / Vino Profundo */
  --color-accent-soft: #f2e2e4;            /* Rosa/Bordó Sutilísimo para hovers */
  --color-text-main: hsl(20, 16%, 16%);    /* Carbón Cálido */
  --color-text-muted: hsl(20, 10%, 46%);   /* Ceniza Orgánico */
  --color-grid: rgba(102, 41, 47, 0.048); /* Retícula Bordó (Lienzo) - Ajustada */
  --color-glass: rgba(246, 242, 235, 0.85);/* Fondo de Cristal de Lino */
  
  /* Fonts */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Jost', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Transitions */
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Home Layout Adjustments */
  --home-image-shift: -100px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--color-bg);
  /* The Warm Soft Artistic Grid */
  background-image: 
    linear-gradient(var(--color-grid) 1.2px, transparent 1.2px),
    linear-gradient(90deg, var(--color-grid) 1.2px, transparent 1.2px);
  background-size: 80px 80px;
  background-position: center top;
  color: var(--color-text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  line-height: 1.7;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-accent);
}

/* Typography Base */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 300;
  letter-spacing: -0.01em;
}

p {
  font-weight: 300;
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  color: var(--color-text-muted);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

.font-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.15em;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
  font-style: italic;
  font-weight: 400;
}

.hidden {
  display: none !important;
}

/* Blueprint Axes (Minimalist alignment lines) */
.blueprint-axes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
}

.axis-line {
  position: absolute;
  background-color: var(--color-accent);
  opacity: 0.03;
}

.x-axis {
  top: 30%;
  left: 0;
  width: 100%;
  height: 1px;
  border-top: 1px solid var(--color-accent);
}

.y-axis {
  top: 0;
  left: 25%;
  width: 1px;
  height: 100%;
  border-left: 1px solid var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 32px;
  border-radius: 0;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 41, 47, 0.1);
}

.btn-arrow {
  margin-left: 12px;
  transition: transform 0.3s ease;
  font-family: var(--font-mono);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(6px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-main);
  border: 1px solid rgba(102, 41, 47, 0.15);
  margin-left: 15px;
}

.btn-secondary:hover {
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--color-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(102, 41, 47, 0.05);
}

.header-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo a {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 38px; /* Altura elegante y refinada para el logo en la cabecera */
  width: auto;
  display: block;
  transition: var(--transition-fast);
}

.logo-img:hover {
  opacity: 0.85;
}

.header-specs {
  display: flex;
  gap: 30px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
}

.spec-item {
  display: flex;
  align-items: center;
}

.accent-dot {
  width: 4px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-link {
  font-size: 0.75rem;
  position: relative;
  padding: 8px 0;
  font-family: var(--font-sans);
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.nav-num {
  color: var(--color-accent);
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
  z-index: 101;
}

.menu-bar {
  width: 25px;
  height: 1px;
  background-color: var(--color-text-main);
  transition: var(--transition-fast);
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 160px 50px 100px 50px;
  min-height: 100vh;
  display: none;
}

#proyectos, #bitacora, #contacto {
  padding-top: 90px;
}

.section-container.active-section {
  display: block;
  animation: fadeInSection 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInSection {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Blueprint Frame Border Style - Softened and warmed */
.blueprint-frame {
  border: 1px solid rgba(102, 41, 47, 0.05);
  position: relative;
  padding: 50px;
  background-color: rgba(246, 242, 235, 0.25);
}

.corner-tick {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-accent);
  opacity: 0.3;
  pointer-events: none;
}

.top-left { top: -12px; left: -6px; }
.top-right { top: -12px; right: -6px; }
.bottom-left { bottom: -12px; left: -6px; }
.bottom-right { bottom: -12px; right: -6px; }

/* Grid columns helper */
.grid-two-cols {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 80px;
  align-items: center;
}

/* ==========================================================================
   SECTION 1: HOME (EMOTIONAL PRESENTATION)
   ========================================================================== */
#home .hero-image-side-overlay {
  width: 100%;
  display: flex;
  justify-content: center;
}

#home .cota-wrapper {
  position: relative;
  padding: 40px 40px 10px 40px;
  width: fit-content;
  margin: var(--home-image-shift) auto 0 auto;
}

.hero-overlay-container {
  position: relative;
  width: 1200px;
  max-width: 100%;
  height: 800px;
  overflow: hidden;
  border: 1px solid rgba(102, 41, 47, 0.08);
}

.hero-image-overlay-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
}

.hero-overlay-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.68) contrast(1.02) saturate(0.9);
  transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-overlay-container:hover .hero-overlay-img {
  transform: scale(1.02);
}

.hero-overlay-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(102, 41, 47, 0.15),
    rgba(43, 21, 14, 0.45)
  );
  pointer-events: none;
}

.hero-overlay-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px 40px;
  z-index: 2;
}

.hero-overlay-content .drawing-meta {
  color: rgba(246, 242, 235, 0.85);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-title-overlay {
  font-family: var(--font-serif);
  font-size: 4.2rem; /* Taller banner allows for larger, elegant text */
  line-height: 1.15;
  margin-bottom: 35px;
  font-weight: 300;
  color: #ffffff;
  text-shadow: 0 2px 15px rgba(43, 21, 14, 0.45);
}

.hero-title-overlay .italic-serif {
  font-style: italic;
  font-weight: 300;
}

.hero-cta-wrapper-overlay {
  display: flex;
  justify-content: center;
}

.btn-primary-overlay {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 45px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  background-color: #f7f3ec;
  color: var(--color-text-main);
  border: 1px solid #f7f3ec;
  font-weight: 400;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-primary-overlay:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 41, 47, 0.25);
}

@media (max-width: 1300px) {
  :root {
    --home-image-shift: -60px;
  }
  .hero-overlay-container {
    width: 100%;
    height: auto;
    aspect-ratio: 1200 / 800;
  }
}

@media (max-width: 1024px) {
  .hero-title-overlay {
    font-size: 3.2rem;
  }
}

@media (max-width: 768px) {
  .hero-title-overlay {
    font-size: 2.2rem;
  }
}

.hero-text-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.drawing-meta {
  color: var(--color-accent);
  margin-bottom: 20px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  letter-spacing: 0.2em;
}

.hero-title {
  font-size: 4.2rem;
  line-height: 1.12;
  margin-bottom: 30px;
  color: var(--color-text-main);
}

.hero-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 45px;
  max-width: 540px;
  font-size: 1.15rem;
  line-height: 1.75;
}

.hero-cta-wrapper {
  margin-bottom: 50px;
  display: flex;
  align-items: center;
}

.technical-specs {
  border-top: 1px solid rgba(102, 41, 47, 0.05);
  padding-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.spec-line {
  display: flex;
  gap: 15px;
  font-size: 0.85rem;
}

.spec-label {
  color: var(--color-text-muted);
  width: 110px;
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
}

.spec-val {
  color: var(--color-text-main);
  font-weight: 400;
}

/* Soft and Poetic Dimension Lines */
.cota-wrapper {
  position: relative;
  padding: 40px 40px 10px 40px;
}

.cota-label {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  width: calc(100% - 80px);
  opacity: 0.7;
}

.cota-label.top {
  top: 10px;
  left: 40px;
  justify-content: center;
}

.cota-label.top::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background-color: var(--color-accent);
  opacity: 0.25;
  z-index: 1;
}

.cota-label.top span:first-child {
  background-color: var(--color-bg);
  padding: 0 15px;
  position: relative;
  z-index: 2;
}

.cota-label.top::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
  transform: translateY(-50%) rotate(45deg);
}

.cota-label.top .end-tick {
  position: absolute;
  right: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
  transform: translateY(-50%) rotate(45deg);
}

/* Vertical Cota Line - Poetic and minimal */
.cota-label-vertical {
  position: absolute;
  left: 10px;
  top: 40px;
  height: calc(100% - 50px);
  width: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0.7;
}

.cota-label-vertical::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background-color: var(--color-accent);
  opacity: 0.25;
  z-index: 1;
}

.cota-label-vertical span:nth-child(2) {
  background-color: var(--color-bg);
  padding: 15px 0;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--color-accent);
  position: relative;
  z-index: 2;
}

.v-tick-start {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
  transform: translateX(-50%) rotate(45deg);
}

.v-tick-end {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
  transform: translateX(-50%) rotate(45deg);
}

/* Featured Image Container */
.featured-img-container {
  overflow: hidden;
  border: 1px solid rgba(102, 41, 47, 0.05);
  position: relative;
}

.featured-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  filter: saturate(0.85) contrast(1.01);
}

.featured-img-container:hover .featured-img {
  transform: scale(1.025);
}

.img-coordinates {
  position: absolute;
  bottom: 15px;
  right: 15px;
  color: var(--color-text-main);
  background-color: rgba(246, 242, 235, 0.85);
  padding: 5px 12px;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
  border: 1px solid rgba(102, 41, 47, 0.1);
  backdrop-filter: blur(8px);
}

.featured-caption {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}.project-tag {
  color: var(--color-accent);
  font-weight: 500;
}

.home-socials-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 10px auto 0 auto;
  flex-wrap: wrap;
  gap: 20px;
}

@media (max-width: 768px) {
  .home-socials-row {
    justify-content: center;
    gap: 30px;
  }
}

/* Scroll indicator */
.scroll-indicator {
  margin-top: 60px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.scroll-indicator a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  gap: 8px; /* Pequeño espaciado directo entre la frase superior y la inferior */
  text-decoration: none;
  width: 100%;
  max-width: 600px;
}

.scroll-indicator a:hover {
  color: var(--color-accent);
}

.scroll-intro {
  text-transform: none; /* Keep natural capitalization for editorial touch */
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
  color: var(--color-text-main);
  transition: var(--transition-smooth);
  text-align: center;
  display: block;
  width: 100%;
}

.scroll-interactive-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 30px; /* Altura compacta inicial */
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: visible;
}

.scroll-value {
  font-size: 0.78rem;
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 0.05em;
  text-transform: none;
  transition: var(--transition-smooth);
  opacity: 1;
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
}

.scroll-socials {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(10px);
  display: flex;
  flex-direction: column; /* Lista vertical */
  align-items: flex-start; /* Alineación a la izquierda */
  gap: 12px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
  width: max-content;
}

.scroll-socials a {
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-fast);
  text-decoration: none;
}

.scroll-socials a i {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
}

.scroll-socials a:hover {
  color: var(--color-text-main);
  transform: translateX(4px);
}

.social-handle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 500;
  text-transform: lowercase;
  margin-top: 4px;
  padding-left: 32px; /* Alineación con el texto de los enlaces */
  opacity: 0.85;
}

/* Hover state interactions */
.scroll-indicator a:hover .scroll-interactive-wrapper {
  height: 160px; /* Se expande para alojar la lista vertical sin desbordamientos */
}

.scroll-indicator a:hover .scroll-intro {
  opacity: 0.65;
}

.scroll-indicator a:hover .scroll-value {
  opacity: 0;
  transform: translate(-50%, -50%) translateY(-10px);
}

.scroll-indicator a:hover .scroll-socials {
  opacity: 1;
  transform: translate(-50%, -50%) translateY(0);
  pointer-events: auto;
}

/* ==========================================================================
   SECTION 2: PROYECTOS (EDITORIAL CATALOG)
   ========================================================================== */
.section-header-blueprint {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 0px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(102, 41, 47, 0.05);
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
}

.section-num {
  color: var(--color-accent);
  font-size: 0.75rem;
  margin-bottom: 8px;
  font-family: var(--font-sans);
  letter-spacing: 0.25em;
}

.section-title {
  font-size: 3.2rem;
  color: var(--color-text-main);
}

.technical-divider {
  flex-grow: 1;
  height: 1px;
  background-image: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent) 40%, transparent 40%);
  background-size: 10px 1px;
  background-repeat: repeat-x;
  margin: 0 50px 18px 50px;
  opacity: 0.15;
}

.section-meta-right {
  display: flex;
  gap: 25px;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  padding-bottom: 8px;
}

/* Projects Grid Layout - Open and highly airy */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px 50px;
  margin-top: -15px;
}

.large-card {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: start;
}

.project-card {
  background-color: transparent;
  border: 1px solid rgba(102, 41, 47, 0.03);
  padding: 25px;
  transition: var(--transition-smooth);
}

.project-card:hover {
  border-color: rgba(102, 41, 47, 0.15);
  background-color: rgba(246, 242, 235, 0.4);
  box-shadow: 0 15px 40px rgba(102, 41, 47, 0.02);
  transform: translateY(-4px);
}

.project-img-wrapper {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(102, 41, 47, 0.05);
  margin-bottom: 25px;
}

.project-card.large-card .project-img-wrapper {
  margin-bottom: 0;
}

.project-card:not(.large-card) .project-img-wrapper {
  aspect-ratio: 607 / 497;
}

.project-card:not(.large-card) .project-img-wrapper img,
.project-card:not(.large-card) .project-img-wrapper .project-card-video {
  height: 100%;
  object-fit: cover;
}

.project-img-wrapper img,
.project-img-wrapper .project-card-video {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  filter: saturate(0.9);
}

.project-card:hover .project-img-wrapper img,
.project-card:hover .project-img-wrapper .project-card-video {
  transform: scale(1.02);
}

/* Custom Poetic Dimensions on Hover */
.project-cota-x, .project-cota-y {
  position: absolute;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.75rem;
  opacity: 0;
  transition: var(--transition-fast);
  pointer-events: none;
}

.project-cota-x {
  bottom: 15px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
}

.project-cota-x span {
  background-color: var(--color-bg);
  padding: 3px 10px;
  border: 1px solid rgba(102, 41, 47, 0.2);
}

.project-cota-y {
  left: 15px;
  top: 0;
  height: 100%;
  display: flex;
  align-items: center;
}

.project-cota-y span {
  background-color: var(--color-bg);
  padding: 10px 3px;
  writing-mode: vertical-rl;
  border: 1px solid rgba(102, 41, 47, 0.2);
}

.project-card:hover .project-cota-x,
.project-card:hover .project-cota-y {
  opacity: 0.85;
}

/* Project Info Styling */
.project-info {
  display: flex;
  flex-direction: column;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
}

.p-num {
  color: var(--color-accent);
  font-weight: 500;
}

.project-name {
  font-size: 2.2rem;
  margin-bottom: 15px;
  line-height: 1.2;
  color: var(--color-text-main);
}

.project-desc {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

.btn-project-detail {
  background: none;
  border: none;
  text-align: left;
  color: var(--color-accent);
  cursor: pointer;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  align-self: flex-start;
  transition: var(--transition-fast);
}

.btn-project-detail:hover {
  border-bottom-color: var(--color-accent);
  letter-spacing: 0.16em;
}

/* ==========================================================================
   SECTION 3: MANIFIESTO (SENSORY PHILOSOPHY)
   ========================================================================== */
.philosophy-frame {
  padding: 40px 40px 70px 40px;
  background-color: rgba(246, 242, 235, 0.4);
  border: 1px solid rgba(102, 41, 47, 0.05);
}

.philosophy-layout {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 45px;
  align-items: start;
}

.ph-notes-col {
  height: 100%;
}

.ph-tag {
  color: var(--color-accent);
  font-family: var(--font-sans);
  letter-spacing: 0.25em;
  font-weight: 500;
  margin-bottom: 35px;
  font-size: 0.8rem;
}

.ph-spec {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  font-size: 0.8rem;
  color: var(--color-text-main);
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  font-weight: 400;
}

.ph-spec .bullet {
  width: 5px;
  height: 5px;
  background-color: var(--color-accent);
  margin-right: 18px;
  display: inline-block;
}

.process-photos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 45px;
  margin-top: 25px;
  width: 100%;
}

.process-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.process-photos-subgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: 100%;
  margin-top: 10px;
}

.process-item-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 500;
}

.process-item-desc {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  text-align: justify;
}

.process-photo-item {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(102, 41, 47, 0.08);
  aspect-ratio: 1.414; /* Proporción A3 estándar (1.4142 : 1) */
  background-color: #ffffff;
}

.process-photo-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: saturate(0.85) contrast(1.02);
  transition: var(--transition-smooth);
  cursor: zoom-in;
}

.process-photo-item:hover img {
  transform: scale(1.04);
  filter: saturate(1) contrast(1);
}

/* ==========================================================================
   IMAGE ZOOM MODAL (SENSORY ZOOM FOR DRAWINGS)
   ========================================================================== */
.zoom-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(246, 242, 235, 0.98);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  padding: 40px;
}

.zoom-modal.open {
  opacity: 1;
  pointer-events: all;
}

.zoom-close-btn {
  position: absolute;
  top: 35px;
  right: 50px;
  background: none;
  border: none;
  font-size: 2.5rem;
  cursor: pointer;
  color: var(--color-accent);
  transition: var(--transition-fast);
  font-weight: 300;
  line-height: 1;
}

.zoom-close-btn:hover {
  transform: scale(1.1);
  color: var(--color-text-main);
}

.zoom-modal-content {
  max-width: 90%;
  max-height: 85%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.zoom-modal-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 15px 50px rgba(102, 41, 47, 0.08);
  border: 1px solid rgba(102, 41, 47, 0.08);
  background-color: #ffffff;
}

.zoom-caption {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-align: center;
}

.ph-text-col {
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(102, 41, 47, 0.08);
  padding-right: 35px;
  height: 100%;
}

.mini-title {
  color: var(--color-text-muted);
  margin-bottom: 25px;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  letter-spacing: 0.15em;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1.45;
  margin-bottom: 60px;
  font-weight: 300;
  color: var(--color-text-main);
}

.manifesto-quote .highlight {
  color: var(--color-accent);
  font-style: italic;
  font-weight: 700;
}

.manifesto-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.pillar {
  display: flex;
  flex-direction: column;
}

.pillar-num {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-family: var(--font-serif);
  font-style: italic;
  margin-bottom: 15px;
}

.pillar-title {
  font-size: 1.45rem;
  margin-bottom: 14px;
  font-weight: 400;
  color: var(--color-text-main);
}

.pillar-body {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   SECTION 4: CONTACTO (TECHNICAL STAMP / CAJETÍN DE DIÁLOGO)
   ========================================================================== */
.contact-blueprint-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.contact-form-side {
  border: 1px solid var(--color-accent);
  background-color: rgba(246, 242, 235, 0.4);
  padding: 50px;
  position: relative;
  max-width: 770px;
  height: 100%;
}

.stamp-header {
  display: flex;
  border: 1px solid var(--color-accent);
  margin-bottom: 45px;
}

.stamp-box {
  flex: 1;
  padding: 12px 15px;
  text-align: center;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--color-accent);
  border-right: 1px solid var(--color-accent);
}

.stamp-box:last-child {
  border-right: none;
  background-color: var(--color-accent);
  color: #fff;
}

.form-wrapper {
  display: flex;
  flex-direction: column;
}

.form-title {
  font-size: 2.6rem;
  margin-bottom: 15px;
  color: var(--color-text-main);
}

.form-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 40px;
  font-size: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
  margin-bottom: 45px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.form-group input, 
.form-group select, 
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(102, 41, 47, 0.15);
  padding: 14px 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--color-text-main);
  outline: none;
  transition: var(--transition-fast);
  border-radius: 0;
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
  color: hsla(20, 10%, 46%, 0.35);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  border-bottom-color: var(--color-accent);
  padding-left: 8px;
}

.error-msg {
  color: var(--color-accent);
  font-size: 0.65rem;
  min-height: 16px;
  margin-top: 4px;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}

.form-footer-blueprint {
  border-top: 1px dashed rgba(102, 41, 47, 0.15);
  padding-top: 35px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 25px;
}

.tech-checkbox {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding-bottom: 15px;
}

.tech-checkbox input[type="checkbox"] {
  accent-color: var(--color-accent);
  margin-right: 12px;
  margin-top: 3px;
  cursor: pointer;
}

.tech-checkbox label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}

.tech-checkbox .error-msg {
  position: absolute;
  bottom: 0;
  left: 25px;
}

/* Stamp Button */
.stamp-submit-btn {
  background-color: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 16px 36px;
  display: flex;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
}

.stamp-submit-btn:hover {
  background-color: var(--color-accent);
  color: #fff;
}

.stamp-seal {
  font-size: 1.1rem;
  color: var(--color-accent);
  transition: var(--transition-smooth);
}

.stamp-submit-btn:hover .stamp-seal {
  transform: rotate(15deg) scale(1.1);
  color: #fff;
}

/* Success State Design */
.form-success-state {
  text-align: center;
  padding: 50px 20px;
  animation: scaleInSuccess 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleInSuccess {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-icon {
  font-size: 3.8rem;
  color: var(--color-accent);
  margin-bottom: 25px;
}

.form-success-state h4 {
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  margin-bottom: 15px;
  color: var(--color-text-main);
}

.accent-text {
  color: var(--color-accent);
  font-weight: 500;
}

.form-success-state p {
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 25px auto;
  font-size: 0.95rem;
  line-height: 1.6;
}

.form-success-state button {
  margin-top: 10px;
}

/* Right Spec Sheet */
.contact-spec-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.technical-table {
  border: 1px solid var(--color-accent);
  width: 100%;
  background-color: rgba(246, 242, 235, 0.2);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.table-header {
  background-color: var(--color-accent);
  color: #fff;
  padding: 14px 20px;
  font-weight: 500;
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  font-family: var(--font-sans);
}

.table-row {
  display: flex;
  flex: 1;
  border-bottom: 1px solid rgba(102, 41, 47, 0.1);
}

.table-row:last-child {
  border-bottom: none;
}

.table-cell {
  padding: 24px;
  font-size: 0.75rem;
  line-height: 1.6;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}

.table-cell.label {
  width: 130px;
  font-weight: 600;
  border-right: 1px solid rgba(102, 41, 47, 0.1);
  color: var(--color-accent);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.table-cell.val {
  flex: 1;
  color: var(--color-text-main);
  text-align: justify;
}

.table-cell.val a:hover {
  color: var(--color-accent);
}

.social-link {
  display: inline-block;
  margin-bottom: 8px;
}

.social-link i {
  margin-right: 5px;
}

.blueprint-mini-footer {
  margin-top: 50px;
  border-top: 1px dashed rgba(102, 41, 47, 0.15);
  padding-top: 25px;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.copyright-text {
  margin-top: 12px;
  color: var(--color-accent);
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   LIGHTBOX MODAL (SENSORY LIGHTBOX)
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(246, 242, 235, 0.99);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 10%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  overflow-y: auto;
}

.lightbox-modal.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 50px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-accent);
  font-family: var(--font-sans);
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  transform: scale(1.03);
  letter-spacing: 0.22em;
}

.lightbox-content {
  width: 100%;
  max-width: 1200px;
  border: 1px solid var(--color-accent);
  background-color: var(--color-bg);
  padding: 40px;
  box-shadow: 0 25px 60px rgba(102, 41, 47, 0.04);
  display: flex;
  flex-direction: column;
}

.lightbox-blueprint-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(102, 41, 47, 0.15);
  padding-bottom: 15px;
  margin-bottom: 35px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
}

.lightbox-blueprint-header span:first-child {
  color: var(--color-accent);
  font-weight: 600;
}

.lightbox-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 50px;
}

.lightbox-image-area {
  position: relative;
  border: 1px solid rgba(102, 41, 47, 0.05);
  aspect-ratio: 607 / 497;
  overflow: hidden;
}

.lightbox-image-area img,
.lightbox-image-area video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

#lb-video {
  display: none;
}

.lightbox-image-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  border-top: 1px solid rgba(102, 41, 47, 0.2);
  padding-top: 10px;
}

.lightbox-cota-bottom {
  text-align: left;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-family: var(--font-serif);
  font-style: italic;
  position: relative;
  padding: 0 15px;
}

.lightbox-cota-bottom::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
  transform: translateY(-50%) rotate(45deg);
}

.lightbox-cota-bottom::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background-color: var(--color-accent);
  transform: translateY(-50%) rotate(45deg);
}

.lightbox-counter {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-bg);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
  font-size: 0.9rem;
}

.lightbox-nav-btn:hover {
  background-color: var(--color-accent);
  color: #fff;
}

.lightbox-nav-btn.prev {
  left: 15px;
}

.lightbox-nav-btn.next {
  right: 15px;
}

.lightbox-info-area {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lightbox-title {
  font-size: 2.8rem;
  line-height: 1.15;
  color: var(--color-text-main);
}

.lightbox-divider {
  height: 1px;
  background-color: var(--color-accent);
  margin: 18px 0 30px 0;
  opacity: 0.2;
}

.lightbox-body {
  flex-grow: 1;
}

.info-subtitle {
  color: var(--color-accent);
  margin-bottom: 14px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  letter-spacing: 0.15em;
  font-weight: 500;
}

.lightbox-body p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 35px;
}

.materials-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 45px;
}

.materials-table td {
  padding: 12px 0;
  border-bottom: 1px dashed rgba(102, 41, 47, 0.1);
  font-size: 0.75rem;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}

.materials-table td:first-child {
  font-weight: 600;
  color: var(--color-accent);
  width: 140px;
}

.materials-table td:last-child {
  color: var(--color-text-main);
}

.lightbox-technical-stamp {
  border: 1px solid var(--color-accent);
  padding: 18px;
  background-color: rgba(246, 242, 235, 0.3);
}

.stamp-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.stamp-row:last-child {
  margin-bottom: 0;
}

.approved-seal {
  background-color: var(--color-accent);
  color: #fff;
  padding: 2px 8px;
  font-weight: 500;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Tablet view (max-width 1024px) */
@media (max-width: 1024px) {
  :root {
    --home-image-shift: -30px;
  }
  html {
    font-size: 15px;
  }
  
  .grid-two-cols {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-image-side {
    order: -1;
  }
  
  .large-card {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .large-card {
    grid-column: span 1;
  }
  
  .philosophy-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .ph-text-col {
    border-right: none;
    border-bottom: 1px dashed rgba(102, 41, 47, 0.15);
    padding-right: 0;
    padding-bottom: 30px;
  }
  
  .ph-notes-col {
    border-bottom: none;
    padding-bottom: 0;
  }
  
  .process-photos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 35px 20px;
  }
  
  .contact-blueprint-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .lightbox-layout {
    grid-template-columns: 1fr;
  }
  
  .lightbox-info-area {
    margin-top: 30px;
  }
}

/* Mobile view (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --home-image-shift: 0px;
  }
  .header-specs {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 79px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid rgba(102, 41, 47, 0.08);
    flex-direction: column;
    padding: 30px 40px;
    gap: 20px;
    transform: translateY(-150%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
  }
  
  .nav-links.mobile-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .mobile-menu-btn.active .menu-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-menu-btn.active .menu-bar:nth-child(2) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .section-container {
    padding: 120px 25px 50px 25px;
  }

  #proyectos, #bitacora, #contacto {
    padding-top: 60px;
  }
  
  .blueprint-frame {
    padding: 25px;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-cta-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }
  
  .btn-secondary {
    margin-left: 0;
  }
  
  .manifesto-quote {
    font-size: 1.8rem;
  }
  
  .process-photos-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  
  .manifesto-pillars {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
  
  .form-footer-blueprint {
    flex-direction: column;
    align-items: stretch;
  }
  
  .stamp-submit-btn {
    justify-content: center;
  }
  
  .lightbox-modal {
    padding: 40px 15px;
  }
  
  .lightbox-content {
    padding: 20px;
  }
}