/* WebTools landing — edit colors and spacing here */
:root {
  --teal: #20b2aa;
  --teal-dark: #0b736e;
  --ink: #2b2b2a;
  --muted: #5a5a58;
  --bg: #f4f8f8;
  --card: #ffffff;
  --line: #d8e8e6;
  --radius: 12px;
  --max: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

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

a {
  color: var(--teal-dark);
}

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-link img {
  height: 40px;
  width: auto;
}

.nav-main {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav-main a {
  text-decoration: none;
  font-weight: 500;
  color: var(--ink);
}

.nav-main a:hover {
  color: var(--teal);
}

.lang-switch {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  font-size: 0.875rem;
}

.lang-switch a {
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.lang-switch a.active,
.lang-switch a[aria-current="page"] {
  background: var(--teal);
  color: #fff;
}

.lang-switch span {
  color: var(--line);
  user-select: none;
}

/* Hero */
.hero {
  padding: 3rem 0 2.5rem;
  background: linear-gradient(160deg, #e8f6f5 0%, var(--bg) 55%);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.hero .lead {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.registry {
  font-size: 0.875rem;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--teal-dark);
  color: #fff;
}

.btn-outline {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.btn-outline:hover {
  background: var(--teal);
  color: #fff;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(11, 115, 110, 0.08);
}

.hero-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--teal-dark);
}

.stat {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--teal-dark);
  margin: 0;
}

.stat-note {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

/* Sections */
section {
  padding: 3rem 0;
}

section:nth-of-type(even) {
  background: var(--card);
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.section-intro {
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 2rem;
}

.feature-grid {
  display: grid;
  gap: 1.25rem;
}

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

@media (min-width: 900px) {
  .feature-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}

section:nth-of-type(even) .card {
  background: var(--card);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--teal-dark);
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.source-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.source-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.source-list li::before {
  content: "●";
  color: var(--teal);
  flex-shrink: 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.spec-table th,
.spec-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.spec-table th {
  color: var(--teal-dark);
  font-weight: 600;
}

/* Demo */
.demo-box {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem;
}

.demo-box h2 {
  margin: 0 0 0.75rem;
  color: #fff;
}

.demo-box p {
  margin: 0 0 1.25rem;
  opacity: 0.92;
}

.demo-box .btn-primary {
  background: #fff;
  color: var(--teal-dark);
}

.demo-box .btn-primary:hover {
  background: #e8f6f5;
}

/* Contacts */
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

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

.contact-card address {
  font-style: normal;
  line-height: 1.7;
}

.contact-card a {
  word-break: break-all;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  margin: 0.25rem 0;
}

/* Sub-nav anchors */
.subsection-title {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.25rem;
  color: var(--teal-dark);
}

/* Architecture */
.arch-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1.5rem 0;
  overflow-x: auto;
}

.arch-wrap img {
  display: block;
  margin: 0 auto;
  max-height: 520px;
  width: auto;
}

.arch-layers {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .arch-layers {
    grid-template-columns: repeat(3, 1fr);
  }
}

.layer-card {
  border-left: 4px solid var(--teal);
  padding: 0.75rem 1rem;
  background: var(--bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.layer-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  color: var(--teal-dark);
}

.layer-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.connector-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

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

.connector-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.connector-item strong {
  display: block;
  color: var(--teal-dark);
}

.connector-item span {
  font-size: 0.875rem;
  color: var(--muted);
}

/* Compare */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.compare-table th,
.compare-table td {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--teal-dark);
  color: #fff;
  font-weight: 600;
}

.compare-table tbody th {
  text-align: left;
  background: #e8f6f5;
  color: var(--teal-dark);
  font-weight: 600;
}

/* Capabilities */
.cap-list {
  display: grid;
  gap: 1rem;
}

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

.cap-item {
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
}

.cap-item h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--teal-dark);
}

.cap-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Screenshots */
.screenshot-grid {
  display: grid;
  gap: 1.5rem;
}

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

.shot {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 4px 16px rgba(11, 115, 110, 0.06);
}

.shot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.shot-wide {
  grid-column: 1 / -1;
}

.shot-wide img {
  aspect-ratio: auto;
  max-height: 480px;
  object-fit: contain;
  background: #1a2b2a;
}

.shot figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.shot figcaption strong {
  color: var(--ink);
}

/* Flow steps */
.flow-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.flow-steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.25rem 2.75rem;
  border-left: 2px solid var(--line);
  margin-left: 0.75rem;
}

.flow-steps li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.flow-steps li::before {
  content: counter(step);
  position: absolute;
  left: -0.85rem;
  top: 0;
  width: 1.7rem;
  height: 1.7rem;
  line-height: 1.7rem;
  text-align: center;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 50%;
}

.flow-steps li strong {
  display: block;
  color: var(--teal-dark);
}

/* FAQ / SEO landing */
.page-hero {
  padding: 3rem 0 2rem;
  background: linear-gradient(160deg, #e8f6f5 0%, var(--bg) 55%);
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  margin: 0 0 1rem;
  color: var(--teal-dark);
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--teal-dark);
  text-decoration: none;
}

.faq-list {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.faq-list details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 650;
  color: var(--ink);
}

.faq-list details[open] summary {
  margin-bottom: 0.75rem;
  color: var(--teal-dark);
}

.faq-list p {
  margin: 0;
  color: var(--muted);
}

.prose-narrow {
  max-width: 42rem;
}