:root {
  --bg-main: #F4F6F8;
  --bg-surface: #FFFFFF;
  --bg-alt: #EEF2F6;
  --bg-color: var(--bg-main);
  --text-primary: #07111F;
  --text-secondary: #334155;
  --text-muted: #5B677A;
  --accent-cyan: #0e7490;
  --accent-hover: #0369a1;
  --border-light: rgba(7, 17, 31, 0.10);
  --border-subtle: rgba(7, 17, 31, 0.06);
  --glass-bg: var(--bg-surface);
  --glass-border: var(--border-light);
  --glass-hover-border: rgba(14, 116, 144, 0.35);
}

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

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-primary);
}

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

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
}

/* Typography & Utilities */
.text-gradient {
  color: var(--accent-cyan);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  font-size: 2.3rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  margin-top: -1.5rem;
  margin-bottom: 3rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  padding: 2rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-hover-border);
  box-shadow: 0 6px 18px rgba(7, 17, 31, 0.06);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #ffffff;
  border: 1px solid var(--accent-cyan);
  box-shadow: none;
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(14, 116, 144, 0.18);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

.btn-outline:hover {
  background: rgba(14, 116, 144, 0.06);
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Header & Nav */
header {
  padding: 1.2rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.3s ease, border-color 0.3s ease;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 12px rgba(7, 17, 31, 0.05);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Open Sans', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.25s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--accent-cyan);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 4rem;
}

.hero-content {
  max-width: 860px;
}

.hero h1 {
  font-size: 3.8rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.2rem;
  max-width: 760px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Value Proposition Section */
.value-prop {
  padding: 3.5rem 0;
  background: rgba(0, 240, 255, 0.02);
  border-top: 1px solid rgba(0, 240, 255, 0.08);
  border-bottom: 1px solid rgba(0, 240, 255, 0.08);
}

.value-prop-card {
  border-left: 4px solid var(--accent-cyan);
  background: var(--glass-bg);
  padding: 1.8rem 2.2rem;
  border-radius: 0 12px 12px 0;
}

.value-prop-card h2 {
  font-size: 1.35rem;
  color: var(--accent-cyan);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.value-prop-card p {
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Section Common */
section {
  padding: 5.5rem 0;
}

/* Experience Grid (Qué Hago) */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card-icon {
  font-size: 1.8rem;
  color: var(--accent-cyan);
  margin-bottom: 1.2rem;
}

.glass-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.9rem;
  line-height: 1.3;
}

.glass-card p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* Projects Section */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.8rem 2rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.project-card:hover {
  transform: translateX(6px);
  border-color: var(--glass-hover-border);
}

.project-title {
  color: var(--accent-cyan);
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.project-subtitle {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.tag-item i {
  color: var(--accent-cyan);
  font-size: 0.8rem;
}

/* Methodology Section */
.method-flow {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 1.15rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
}

.method-flow span {
  color: #ffffff;
  font-weight: 600;
}

.method-flow i {
  color: var(--accent-cyan);
  font-size: 0.9rem;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.method-step {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 2rem 1.6rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.method-step:hover {
  transform: translateY(-4px);
  border-color: var(--glass-hover-border);
}

.method-step-num {
  color: var(--accent-cyan);
  font-size: 2.6rem;
  font-weight: 800;
  opacity: 0.6;
  margin-bottom: 0.8rem;
  line-height: 1;
  font-family: 'Open Sans', sans-serif;
}

.method-step-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.method-step p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.6;
}

/* Trayectoria Section */
.trayectoria-text p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

.trayectoria-text p:last-child {
  margin-bottom: 0;
}

/* Innovation Section */
.theogen-section {
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.theogen-content {
  flex: 1.2;
}

.theogen-visual {
  flex: 0.8;
  position: relative;
}

.theogen-box {
  background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 18px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 16px 36px rgba(0,0,0,0.4);
}

.theogen-box h3 {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.pipeline-flow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 240, 255, 0.08);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  color: var(--accent-cyan);
  font-family: 'Open Sans', sans-serif;
  font-size: 0.9rem;
}

.innovation-highlight {
  background: rgba(0, 240, 255, 0.04);
  border-left: 4px solid var(--accent-cyan);
  border-radius: 0 10px 10px 0;
  padding: 1.4rem 1.6rem;
  margin-top: 1.5rem;
}

.innovation-highlight h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.innovation-highlight .platform-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* Footer & Contact */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 4.5rem 0 3rem;
  text-align: center;
  background: rgba(5, 11, 20, 0.6);
}

.footer-heading {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.footer-audience {
  max-width: 680px;
  margin: 0 auto 1.2rem;
  font-size: 1.1rem;
  color: #ffffff;
  line-height: 1.6;
}

.footer-cta-text {
  max-width: 620px;
  margin: 0 auto 2.2rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.footer-buttons {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* --- Case Study Pages --- */
.case-study {
    padding-top: 70px;
}

.case-hero {
    margin-bottom: 3rem;
}

.case-hero h1 {
    max-width: 1200px;
    text-wrap: balance;
}

.case-hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 992px) {
    .case-hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
        gap: 3rem;
    }
}

.case-hero-grid--san-felipe {
    grid-template-columns: 1.7fr 1fr;
}

@media (max-width: 992px) {
    .case-hero-grid--san-felipe {
        grid-template-columns: 1fr;
    }
}

.case-hero-grid--deslindes {
    grid-template-columns: 1.6fr 1fr;
}

@media (max-width: 992px) {
    .case-hero-grid--deslindes {
        grid-template-columns: 1fr;
    }
}

.case-hero-grid--la-florida {
    grid-template-columns: 1.7fr 1fr;
}

@media (max-width: 992px) {
    .case-hero-grid--la-florida {
        grid-template-columns: 1fr;
    }
}

.case-hero-grid--desaladora {
    grid-template-columns: 1.7fr 1fr;
}

@media (max-width: 992px) {
    .case-hero-grid--desaladora {
        grid-template-columns: 1fr;
    }
}


.case-hero-media {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    background: rgba(0, 0, 0, 0.3);
}

.case-hero-img {
    width: 100%;
    height: auto;
    max-height: 460px;
    object-fit: cover;
    display: block;
    border-radius: 12px 12px 0 0;
    transition: transform 0.3s ease;
}

.case-hero-caption {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(10, 15, 25, 0.9);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    font-style: italic;
}

.case-kicker {
    color: var(--accent-cyan);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
}

.case-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.case-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.case-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    max-width: 800px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.case-tags .tag-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.case-section {
    padding: 3rem 0;
    max-width: 850px;
    margin: 0 auto;
}

.case-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.case-section p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.case-highlight {
    background: var(--glass-bg);
    border-left: 4px solid var(--accent-cyan);
    padding: 2rem;
    border-radius: 0 12px 12px 0;
    margin: 2.5rem 0;
}

.case-highlight h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.case-figure {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2.5rem;
    margin: 2.5rem auto;
    max-width: 1000px;
}

.figure-label {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

/* --- Case Accordion & Case Media --- */

/* Sticky Navigation Bar for Case Studies */
.case-nav-bar {
    position: sticky;
    top: 70px;
    z-index: 90;
    background: rgba(10, 15, 25, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 0;
    margin: 2rem 0;
}

.case-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.case-nav-links {
    display: flex;
    gap: 1.2rem;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.case-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.case-nav-links a:hover,
.case-nav-links a:focus {
    color: var(--accent-cyan);
}

.case-nav-controls {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.btn-case-control {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff;
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: inherit;
}

.btn-case-control:hover,
.btn-case-control:focus-visible {
    background: rgba(0, 240, 255, 0.15);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    outline: none;
}

/* Accordion Component (<details> / <summary>) */
.case-accordion {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin: 1.8rem 0;
    overflow: hidden;
    transition: border-color 0.25 ease, background 0.25s ease;
}

.case-accordion-compact {
    margin: 1.5rem 0;
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.015);
}

.case-accordion-compact .case-accordion-summary {
    padding: 1.1rem 1.4rem;
}

.case-accordion-compact .case-accordion-title {
    font-size: 1.15rem;
}

.case-accordion[open] {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(0, 240, 255, 0.35);
}

.case-accordion-summary {
    padding: 1.35rem 1.6rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
    user-select: none;
    transition: background 0.2s ease;
}

.case-accordion-summary::-webkit-details-marker {
    display: none;
}

.case-accordion-summary:hover,
.case-accordion-summary:focus-visible {
    background: rgba(0, 240, 255, 0.06);
    outline: none;
}

.case-accordion-summary-header {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-accordion-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin: 0 0 0.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.case-accordion-hint {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 0;
    display: block;
}

.accordion-icon-badge {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 0.9rem;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    flex-shrink: 0;
}

.case-accordion[open] .accordion-icon-badge {
    transform: rotate(180deg);
    background: rgba(0, 240, 255, 0.15);
    border-color: var(--accent-cyan);
}

.case-accordion-content {
    padding: 0 1.6rem 1.8rem 1.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 0.4rem;
    padding-top: 1.6rem;
}

/* Case Media & Photo Containers */
.case-photo-container {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    margin: 2rem 0;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.case-photo-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 520px;
}

.case-photo-img--document,
.case-photo-img--contain {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    display: block;
}

.case-photo-caption {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(10, 15, 25, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-style: italic;
}

.case-photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
    align-items: start;
}

/* Responsive adjustments for Mobile */
@media (max-width: 600px) {
    .case-nav-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .case-nav-links {
        justify-content: center;
        gap: 0.8rem;
    }
    
    .case-nav-controls {
        justify-content: center;
    }
    
    .case-accordion-summary {
        padding: 1rem 1.1rem;
    }
    
    .case-accordion-title {
        font-size: 1.1rem;
    }
    
    .case-accordion-content {
        padding: 1rem;
    }

    .case-photos-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .case-photo-container {
        min-width: 0;
    }

    .case-photo-img {
        max-width: 100%;
    }
}

/* Timeline Horizontal */
.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 2rem;
    gap: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--glass-border);
    z-index: 0;
}

.timeline-item {
    position: relative;
    z-index: 1;
    background: var(--bg-color);
    flex: 1;
    padding-top: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-year {
    font-weight: 700;
    color: var(--accent-cyan);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-family: 'Open Sans', sans-serif;
}

.timeline-item h4 {
    font-size: 1.05rem;
    margin-bottom: 0.8rem;
    color: #fff;
}

.timeline-item ul {
    list-style: none;
    padding: 0;
}

.timeline-item ul li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    padding-left: 1.2rem;
    position: relative;
}

.timeline-item ul li::before {
    content: '-';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

/* Evidence Bridge */
.evidence-bridge {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-top: 2.5rem;
}

.evidence-columns {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.evidence-columns h4 {
    text-align: center;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.evidence-source {
    list-style: none;
}

.evidence-source li {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.8rem 1.2rem;
    margin-bottom: 0.8rem;
    border-radius: 6px;
    font-size: 0.95rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.evidence-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--accent-cyan);
    font-weight: 600;
    text-align: center;
}

.evidence-center i {
    font-size: 1.5rem;
}

.evidence-result {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(0, 102, 255, 0.1));
    border: 1px solid var(--accent-cyan);
    padding: 1.5rem;
    text-align: center;
    border-radius: 12px;
    margin-top: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Actor Analysis */
.actor-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.actor-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.actor-card .step-num {
    font-size: 2rem;
    color: var(--glass-border);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 1rem;
    font-family: 'Open Sans', sans-serif;
}

.actor-card h4 {
    font-size: 1.1rem;
    color: var(--accent-cyan);
    margin-bottom: 0.8rem;
}

.actor-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

/* Capabilities */
.case-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.case-capabilities span {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.case-reference {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-cyan);
    font-size: 0.9rem;
    margin-top: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-cyan);
    border-radius: 6px;
    transition: all 0.2s;
}

.case-reference:hover {
    background: rgba(0, 240, 255, 0.1);
}

.case-cta {
    background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 4rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

.case-cta .small-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
}

.case-cta h2 {
    font-size: 2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.4;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .hero h1 {
    font-size: 2.9rem;
  }
  .theogen-section {
    flex-direction: column;
    gap: 2.5rem;
  }
  .theogen-visual {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(5, 11, 20, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    align-items: flex-start;
  }

  .nav-links.active {
    display: flex;
  }

  .hero h1 {
    font-size: 2.4rem;
  }
  
  .hero p {
    font-size: 1.05rem;
  }

  .method-flow {
    font-size: 1rem;
  }
}

/* Portfolio Architecture Styles */
.hero-eyebrow {
  display: block;
  color: var(--accent-cyan);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.featured-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.featured-card:hover {
  transform: translateY(-5px);
  border-color: var(--glass-hover-border);
  box-shadow: 0 12px 30px -10px rgba(0, 240, 255, 0.2);
}

.featured-card-media {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
}

.featured-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.featured-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(5, 11, 20, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  text-transform: uppercase;
}

.featured-card-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-card-location {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.featured-card-title {
  font-size: 1.25rem;
  line-height: 1.35;
  margin-bottom: 0.4rem;
  color: #ffffff;
}

.featured-card-role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 0.8rem;
  display: block;
}

.featured-card-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.2rem;
  flex: 1;
}

.featured-card-link {
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.2rem;
  transition: gap 0.2s ease;
}

.featured-card-link:hover {
  gap: 0.7rem;
}

.more-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem;
}

.secondary-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.secondary-card:hover {
  transform: translateY(-3px);
  border-color: var(--glass-hover-border);
}

.secondary-card-media {
  width: 100%;
  height: 170px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
}

.secondary-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.secondary-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.secondary-card-location {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.secondary-card-title {
  font-size: 1.1rem;
  line-height: 1.35;
  margin-bottom: 0.6rem;
  color: #ffffff;
}

.secondary-card-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
}

.other-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.other-project-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.4rem;
}

.other-project-card h4 {
  font-size: 1.05rem;
  color: var(--accent-cyan);
  margin-bottom: 0.3rem;
}

.other-project-subtitle {
  font-size: 0.88rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.6rem;
}

.about-milestones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.about-milestone-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 1.2rem;
}

.about-milestone-card .milestone-icon {
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 0.6rem;
  display: block;
}

.about-milestone-card h4 {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  color: #ffffff;
}

.about-milestone-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ============================================================
   INDEX-SPECIFIC: responsive supplements (do not affect cases)
   ============================================================ */

/* secondary-card link reuses featured-card-link style */
.secondary-card .featured-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: auto;
  transition: gap 0.2s ease;
}
.secondary-card .featured-card-link:hover {
  gap: 0.7rem;
}

/* featured-grid: 1 col on mobile, 3 on wide */
@media (max-width: 991px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* more-cases-grid: 1 col on mobile */
@media (max-width: 767px) {
  .more-cases-grid {
    grid-template-columns: 1fr;
  }
}

/* other-projects-grid: 1 col on small screens */
@media (max-width: 599px) {
  .other-projects-grid {
    grid-template-columns: 1fr;
  }
  .about-milestones {
    grid-template-columns: 1fr;
  }
}

/* prevent horizontal overflow across all breakpoints */
@media (max-width: 390px) {
  .hero h1 {
    font-size: 2rem;
  }
  .featured-card-media {
    height: 180px;
  }
  .secondary-card-media {
    height: 140px;
  }
  .featured-card-content,
  .secondary-card-content {
    padding: 1.2rem;
  }
}

@media (max-width: 320px) {
  .hero h1 {
    font-size: 1.75rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

/* No overflow-x at any viewport */
html, body {
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .featured-card:hover,
  .secondary-card:hover,
  .featured-card:hover .featured-card-img,
  .secondary-card:hover .secondary-card-img {
    transform: none;
  }
}

/* Shared editorial system for case studies. The approved homepage keeps its
   .index-editorial overrides while case pages inherit these shared tokens. */
header .logo .text-gradient {
  color: var(--accent-cyan);
  background: none;
  -webkit-text-fill-color: currentColor;
}

.nav-links a { font-weight: 600; }
.method-flow span { color: var(--text-primary); }
.featured-card-title,
.secondary-card-title,
.about-milestone-card h4,
.project-subtitle { color: var(--text-primary); }

footer {
  background: #050B14;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: #94A3B8;
}
footer .footer-heading { color: #F8FAFC; font-weight: 800; }
footer p,
footer .footer-audience,
footer .footer-cta-text,
footer .footer-copy { color: #94A3B8; }
footer .btn-primary { background: #0369a1; border-color: #0369a1; color: #fff; }
footer .btn-primary:hover { background: #075985; border-color: #075985; }
footer .btn-outline { color: #38bdf8; border-color: #38bdf8; }
footer.footer p[style*="color: var(--text-secondary)"] { color: #94A3B8 !important; }
.case-study [style*="border: 1px solid rgba(0,240,255"],
.case-study [style*="border: 1px solid rgba(0, 240, 255"] {
  border-color: rgba(14, 116, 144, 0.25) !important;
}
.case-study [style*="border-left: 2px solid rgba(0,240,255"],
.case-study [style*="border-left: 2px solid rgba(0, 240, 255"] {
  border-left-color: rgba(14, 116, 144, 0.20) !important;
}

.case-study { color: var(--text-primary); }
.case-study h1,
.case-study h2 { font-weight: 800; }
.case-study h3,
.case-study h4 { font-weight: 700; }
.case-study a:not(.btn):hover { color: var(--accent-hover); }
.case-study :is(section[id], details[id]) { scroll-margin-top: 180px; }
.case-hero { margin-bottom: 2.5rem; }
.case-hero h1 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.16;
  color: var(--text-primary);
}
.case-kicker { color: var(--accent-cyan); font-weight: 700; letter-spacing: .08em; }
.case-meta { color: var(--text-muted); font-weight: 600; }
.case-lead { color: var(--text-secondary); }
.case-hero-media,
.case-photo-container,
.case-figure {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(7, 17, 31, 0.04);
}
.case-hero-img { border-radius: 4px 4px 0 0; }
.case-hero-caption,
.case-photo-caption {
  background: var(--bg-main);
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
}
.case-tags .tag-item,
.case-capabilities span {
  background: rgba(7, 17, 31, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  color: var(--text-secondary);
  font-weight: 600;
}
.case-section h2 { color: var(--text-primary); }
.case-section p { color: var(--text-secondary); }
.case-highlight {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 4px 4px 0;
}
.case-nav-bar {
  top: 77px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: var(--border-light);
}
.case-nav-links a { color: var(--text-secondary); font-weight: 600; }
.case-nav-links a:hover,
.case-nav-links a:focus-visible { color: var(--accent-cyan); }
.btn-case-control {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  border-radius: 4px;
}
.btn-case-control:hover,
.btn-case-control:focus-visible {
  background: rgba(14, 116, 144, 0.06);
  border-color: rgba(14, 116, 144, 0.35);
  color: var(--accent-cyan);
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}
.case-accordion,
.case-accordion-compact {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 4px;
}
.case-accordion[open] {
  background: var(--bg-surface);
  border-color: rgba(14, 116, 144, 0.40);
}
.case-accordion-summary:hover,
.case-accordion-summary:focus-visible { background: rgba(14, 116, 144, 0.05); }
.case-accordion-summary:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: -2px;
}
.case-accordion-title { color: var(--text-primary); }
.case-accordion-title i { color: var(--accent-cyan); }
.case-accordion-hint { color: var(--text-muted); }
.case-accordion-content { border-top-color: var(--border-subtle); color: var(--text-secondary); }
.accordion-icon-badge {
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  color: var(--accent-cyan);
}
.case-accordion[open] .accordion-icon-badge {
  background: rgba(14, 116, 144, 0.08);
  border-color: rgba(14, 116, 144, 0.35);
}
.case-photo-img--document,
.case-photo-img--contain { height: auto; max-height: none !important; object-fit: contain; }
.timeline::before { background: rgba(14, 116, 144, 0.20); }
.timeline-item { background: var(--bg-main); }
.timeline-item::before { background: var(--accent-cyan); box-shadow: none; }
.timeline-year { color: var(--accent-cyan); font-weight: 700; }
.timeline-item h4 { color: var(--text-primary); }
.timeline-item ul li { color: var(--text-secondary); }
.evidence-columns,
.actor-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 4px;
}
.evidence-columns h4,
.actor-card h4 { color: var(--text-primary); }
.evidence-source li {
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}
.evidence-center { color: var(--accent-cyan); }
.evidence-result {
  background: rgba(14, 116, 144, 0.06);
  border: 1px solid rgba(14, 116, 144, 0.35);
  color: var(--text-primary);
  border-radius: 4px;
}
.actor-card .step-num { color: rgba(14, 116, 144, 0.5); }
.actor-card p { color: var(--text-secondary); }
.case-reference { color: var(--accent-cyan); border-color: var(--accent-cyan); }
.case-reference:hover { background: rgba(14, 116, 144, 0.06); }
.case-cta {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.case-cta h2 { color: var(--text-primary); }
.case-cta p { color: var(--text-secondary); }

/* Inline legacy colors belong to presentation, not the evidence diagrams.
   These selectors are restricted to the case body and only match old dark UI
   color literals; inline grid and document sizing remain untouched. */
.case-study [style*="color: #fff"],
.case-study [style*="color:#fff"],
.case-study [style*="color: rgba(255,255,255"],
.case-study [style*="color: rgba(255, 255, 255"] { color: var(--text-primary) !important; }
.case-study [style*="background: rgba(0,0,0"],
.case-study [style*="background: rgba(0, 0, 0"],
.case-study [style*="background: rgba(255,255,255,0.0"],
.case-study [style*="background: rgba(255, 255, 255, 0.0"] {
  background: var(--bg-surface) !important;
}
.case-study [style*="background: rgba(0,240,255"],
.case-study [style*="background: rgba(0, 240, 255"] {
  background: rgba(14, 116, 144, 0.05) !important;
}
.case-study .tag-item[style*="background: rgba(255,255,255,0.1"],
.case-study [style*="width: 1px; background: rgba(255,255,255,0.1"] {
  background: rgba(7, 17, 31, 0.06) !important;
}
.case-study [style*="background: rgba(255,255,255,0.3"] {
  background: var(--accent-cyan) !important;
}
.case-study [style*="border: 1px solid rgba(255"],
.case-study [style*="border: 1px solid rgba(255, 255"] {
  border-color: var(--border-light) !important;
}
.case-study .case-highlight { border-left-color: var(--accent-cyan) !important; }
.case-study [style*="border-left: 2px solid rgba(255"],
.case-study [style*="border-left: 4px solid rgba(255"] {
  border-left-color: rgba(14, 116, 144, 0.25) !important;
}
.case-study [style*="box-shadow: 0 0"] { box-shadow: none !important; }
@media (max-width: 991px) {
  .case-hero-grid[style*="grid-template-columns"] { grid-template-columns: minmax(0, 1fr) !important; }
}
@media (max-width: 768px) {
  .nav-links { background: rgba(255, 255, 255, 0.98); border-color: var(--border-light); }
  .case-nav-bar { top: 88px; }
  .case-study :is(section[id], details[id]) { scroll-margin-top: 240px; }
}
@media (max-width: 390px) {
  .case-study [style*="grid-template-columns: repeat(auto-fit, minmax(200px"],
  .case-study [style*="grid-template-columns: repeat(auto-fit, minmax(240px"],
  .case-study [style*="grid-template-columns: repeat(auto-fit, minmax(260px"],
  .case-study [style*="grid-template-columns: repeat(auto-fit, minmax(280px"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }
}