@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --grind-anthracite: #292524;
  --daily-orange: #EA580C;
  --lab-white: #FFFFFF;
  --bench: #E5E7EB;
  --violet-accent: #7C3AED;
  --text-muted: #57534E;
  --shadow: 0 4px 24px rgba(41, 37, 36, 0.08);
  --radius: 8px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  color: var(--grind-anthracite);
  background: var(--lab-white);
  line-height: 1.6;
  font-size: 16px;
}

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

a {
  color: var(--daily-orange);
  text-decoration: none;
  transition: color var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.site-header {
  background: var(--lab-white);
  border-bottom: 1px solid var(--bench);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 8px rgba(41, 37, 36, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--grind-anthracite);
}

.logo:hover {
  color: var(--grind-anthracite);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--daily-orange);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lab-white);
  font-size: 0.75rem;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--grind-anthracite);
  margin: 5px 0;
  transition: var(--transition);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  color: var(--grind-anthracite);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--daily-orange);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary {
  background: var(--daily-orange);
  color: var(--lab-white);
}

.btn-primary:hover {
  background: var(--violet-accent);
  color: var(--lab-white);
}

.btn-outline {
  background: transparent;
  color: var(--grind-anthracite);
  border: 2px solid var(--bench);
}

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

/* Hero Lab */
.hero-lab {
  background: var(--grind-anthracite);
  color: var(--lab-white);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-lab::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(234, 88, 12, 0.15) 100%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background: rgba(234, 88, 12, 0.2);
  color: var(--daily-orange);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-lab h1 {
  font-size: 2.75rem;
  margin-bottom: 16px;
}

.hero-lab .slogan {
  font-size: 1.15rem;
  color: var(--bench);
  margin-bottom: 28px;
  font-style: italic;
}

.hero-metrics {
  display: flex;
  gap: 24px;
  margin-top: 32px;
}

.metric-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.metric-box .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--daily-orange);
}

.metric-box .label {
  font-size: 0.75rem;
  color: var(--bench);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid rgba(234, 88, 12, 0.3);
}

/* Band */
.band-strip {
  background: var(--daily-orange);
  color: var(--lab-white);
  padding: 18px 0;
}

.band-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.band-inner span {
  opacity: 0.9;
}

.band-sep {
  width: 6px;
  height: 6px;
  background: var(--lab-white);
  border-radius: 50%;
  opacity: 0.6;
}

/* Sections */
.section {
  padding: 72px 0;
}

.section-alt {
  background: #FAFAF9;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
}

/* Lab Cards */
.lab-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.lab-card {
  background: var(--lab-white);
  border: 1px solid var(--bench);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.lab-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.lab-card-img {
  height: 160px;
  overflow: hidden;
}

.lab-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lab-card-body {
  padding: 20px;
}

.run-badge {
  display: inline-block;
  background: var(--grind-anthracite);
  color: var(--daily-orange);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.lab-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.lab-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.intensity-bar {
  margin-top: 14px;
  height: 4px;
  background: var(--bench);
  border-radius: 2px;
  overflow: hidden;
}

.intensity-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--daily-orange), var(--violet-accent));
  border-radius: 2px;
}

/* Requirements Strip */
.requirements-strip {
  background: var(--grind-anthracite);
  color: var(--lab-white);
  padding: 48px 0;
}

.req-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.req-item h4 {
  color: var(--daily-orange);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.req-item p {
  font-size: 0.9rem;
  color: var(--bench);
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.process-step {
  background: var(--lab-white);
  border: 1px solid var(--bench);
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: center;
  position: relative;
}

.process-step .run-num {
  width: 48px;
  height: 48px;
  background: var(--daily-orange);
  color: var(--lab-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin: 0 auto 14px;
}

.process-step h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

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

/* Service Blocks */
.service-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background: var(--lab-white);
  border: 1px solid var(--bench);
  border-radius: var(--radius);
  overflow: hidden;
  align-items: stretch;
}

.service-block-img {
  height: 100%;
  min-height: 180px;
}

.service-block-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-block-content {
  padding: 24px 24px 24px 0;
}

.service-block h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.service-block p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lab-note {
  background: var(--lab-white);
  border-left: 4px solid var(--violet-accent);
  padding: 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
}

.lab-note-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.lab-note-icon {
  width: 32px;
  height: 32px;
  background: var(--bench);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--grind-anthracite);
}

.lab-note blockquote {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 12px;
}

.lab-note cite {
  font-size: 0.8rem;
  font-weight: 600;
  font-style: normal;
  color: var(--grind-anthracite);
}

/* CTA */
.cta-orange {
  background: var(--daily-orange);
  color: var(--lab-white);
  padding: 64px 0;
  text-align: center;
}

.cta-orange h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.cta-orange p {
  margin-bottom: 28px;
  opacity: 0.9;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-orange .btn-primary {
  background: var(--lab-white);
  color: var(--daily-orange);
}

.cta-orange .btn-primary:hover {
  background: var(--grind-anthracite);
  color: var(--lab-white);
}

/* Hard Problems Note */
.hard-problems-note {
  background: #FAFAF9;
  border-top: 1px solid var(--bench);
  padding: 40px 0;
  text-align: center;
}

.hard-problems-note p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.hard-problems-note strong {
  color: var(--grind-anthracite);
}

/* Page Hero */
.page-hero {
  background: var(--grind-anthracite);
  color: var(--lab-white);
  padding: 56px 0;
}

.page-hero h1 {
  font-size: 2.25rem;
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--bench);
  max-width: 600px;
}

/* Collection Grid */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.collection-item {
  border: 1px solid var(--bench);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.collection-item:hover {
  box-shadow: var(--shadow);
}

.collection-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.collection-item-body {
  padding: 20px;
}

.collection-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.collection-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Services Page */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--bench);
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail h2 {
  font-size: 1.5rem;
  margin-bottom: 14px;
  color: var(--grind-anthracite);
}

.service-detail p {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.service-detail ul {
  list-style: none;
  margin-top: 16px;
}

.service-detail li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.service-detail li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--daily-orange);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  background: var(--lab-white);
  border: 1px solid var(--bench);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.value-card h4 {
  color: var(--daily-orange);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--daily-orange);
  margin-bottom: 6px;
}

.contact-item p,
.contact-item a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--bench);
  border-radius: var(--radius);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

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

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Legal */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin: 32px 0 12px;
}

.legal-content h3 {
  font-size: 1.1rem;
  margin: 24px 0 10px;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

/* Footer */
.site-footer {
  background: var(--grind-anthracite);
  color: var(--bench);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--lab-white);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--lab-white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--bench);
  font-size: 0.875rem;
}

.footer-col a:hover {
  color: var(--daily-orange);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--grind-anthracite);
  color: var(--lab-white);
  padding: 20px 24px;
  z-index: 9999;
  display: none;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-banner.visible {
  display: block;
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-inner p {
  font-size: 0.875rem;
  flex: 1;
  min-width: 280px;
}

.cookie-inner a {
  color: var(--daily-orange);
}

.cookie-actions {
  display: flex;
  gap: 12px;
}

.cookie-actions .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .lab-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .req-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--lab-white);
    border-bottom: 1px solid var(--bench);
    display: none;
    padding: 16px 24px;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

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

  .hero-lab h1 {
    font-size: 2rem;
  }

  .lab-cards,
  .collection-grid,
  .testimonials,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .service-blocks,
  .service-block,
  .service-detail,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-block {
    grid-template-columns: 1fr;
  }

  .service-block-content {
    padding: 20px;
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .band-inner {
    flex-direction: column;
    gap: 12px;
  }

  .band-sep {
    display: none;
  }
}

.slide-up, .fade-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
html.js .slide-up, html.js .fade-in {
  opacity: 0;
  transform: translateY(28px);
}
html.js .slide-up.visible, html.js .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.form-success {
  display: none;
  background: var(--grind);
  color: #fff;
  padding: 2rem;
  border-left: 4px solid var(--daily);
  margin-top: 1rem;
}
.form-success.show { display: block; }
.form-success h3 { color: var(--daily); margin-bottom: 0.8rem; }
.form-group input.error, .form-group select.error, .form-group textarea.error {
  border-color: var(--daily);
  background: #FEF2F2;
}