/* ============================================
   Genomic Digital - Production Stylesheet
   Mobile-first, responsive, performant
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-alt: #111118;
  --color-bg-card: #16161f;
  --color-bg-card-hover: #1c1c28;
  --color-surface: #1e1e2a;
  --color-border: #2a2a3a;
  --color-border-light: #3a3a4a;

  --color-text: #e8e8ec;
  --color-text-muted: #9898a8;
  --color-text-dim: #6a6a7a;

  --color-accent: #4f8cff;
  --color-accent-hover: #6da0ff;
  --color-accent-subtle: rgba(79, 140, 255, 0.12);

  --color-green: #34d399;
  --color-green-subtle: rgba(52, 211, 153, 0.12);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav__logo:hover { color: var(--color-text); }

.nav__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1.1rem;
}

.nav__logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.nav__logo-text {
  letter-spacing: -0.02em;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav__links {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
}

.nav__links.active {
  display: flex;
}

.nav__links li a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  display: block;
  padding: var(--space-sm) 0;
}

.nav__links li a:hover,
.nav__links li a.active {
  color: var(--color-text);
}

@media (min-width: 768px) {
  .nav__toggle { display: none; }

  .nav__links {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    background: none;
    border: none;
    padding: 0;
    gap: var(--space-xl);
  }

  .nav__links li a {
    padding: 0;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}

/* --- Hero --- */
.hero {
  padding: calc(64px + var(--space-4xl)) 0 var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-subtle) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  max-width: 720px;
}

.hero__tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
}

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

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-lg);
  max-width: 600px;
}

.metric-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.metric-card__value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.metric-card__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --- Sections --- */
.section {
  padding: var(--space-4xl) 0;
}

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

.section--cta {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section__tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section__cta {
  text-align: center;
  margin-top: var(--space-3xl);
}

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

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-light);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Service Cards --- */
.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-accent);
}

.service-card__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.service-card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-card__list li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-left: var(--space-lg);
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* --- Case Preview --- */
.case-preview {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.case-preview__client {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.case-preview__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.case-preview__text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 700px;
}

.case-preview__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
  .case-preview__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat__value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-green);
}

.stat__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Doctrine --- */
.doctrine {
  max-width: var(--container-narrow);
  margin: 0 auto;
  text-align: center;
}

.doctrine__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: var(--space-2xl);
}

.doctrine__quote {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-text);
  line-height: 1.8;
  font-style: italic;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-xl);
  text-align: left;
  margin-bottom: var(--space-lg);
}

.doctrine__author {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.doctrine__text {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

/* --- CTA --- */
.cta {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.cta__text {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

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

.footer__tagline {
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  font-size: 0.9rem;
}

.footer__links h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-md);
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer__social a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
}

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

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.footer__bottom a {
  color: var(--color-text-dim);
  margin-left: var(--space-sm);
}

.footer__bottom a:hover {
  color: var(--color-text-muted);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: calc(64px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.page-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-2xl);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-bg);
}

.timeline__month {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.timeline__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

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

/* --- Data Table --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  overflow-x: auto;
  display: block;
}

@media (min-width: 768px) {
  .data-table { display: table; }
}

.data-table th,
.data-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  font-weight: 600;
  color: var(--color-text-dim);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.data-table td {
  color: var(--color-text-muted);
}

.data-table .highlight {
  color: var(--color-green);
  font-weight: 600;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* --- Prose (insights/blog) --- */
.prose {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.prose h2 {
  font-size: 1.8rem;
  margin: var(--space-3xl) 0 var(--space-lg);
}

.prose h3 {
  font-size: 1.3rem;
  margin: var(--space-2xl) 0 var(--space-md);
}

.prose p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
}

.prose blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-xl);
  margin: var(--space-2xl) 0;
  font-style: italic;
  color: var(--color-text);
}

.prose ul, .prose ol {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.prose li {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
  list-style: disc;
}

.prose ol li {
  list-style: decimal;
}

/* --- Team --- */
.team-card {
  text-align: center;
}

.team-card__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--color-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.team-card__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-lg);
}

.team-card__name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.team-card__role {
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.team-card__bio {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Insight Cards --- */
.insight-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.insight-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.insight-card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.insight-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.insight-card__excerpt {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.insight-card__link {
  font-weight: 600;
  font-size: 0.9rem;
}

/* --- Contact Grid --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info__item {
  margin-bottom: var(--space-xl);
}

.contact-info__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-sm);
}

.contact-info__value {
  font-size: 1.05rem;
  color: var(--color-text);
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in--delay-1 { animation-delay: 0.1s; }
.fade-in--delay-2 { animation-delay: 0.2s; }
.fade-in--delay-3 { animation-delay: 0.3s; }

/* --- Print --- */
@media print {
  .nav, .footer, .btn { display: none; }
  body { background: #fff; color: #000; }
  .section--dark { background: #f5f5f5; }
}