/* SubaByte LTD — company site */
:root {
  --bg: #f8fafb;
  --bg-elevated: #ffffff;
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --accent: #0f766e;
  --accent-dark: #134e4a;
  --accent-soft: rgba(15, 118, 110, 0.08);
  --accent-border: rgba(15, 118, 110, 0.22);
  --line: #e2e8f0;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 4px 6px rgba(15, 23, 42, 0.04), 0 20px 40px rgba(15, 23, 42, 0.08);
  --max: 44rem;
  --wide: 72rem;
  --radius: 12px;
  --radius-lg: 16px;
  --sans: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.18em; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 251, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand:hover { text-decoration: none; }

.brand img,
.brand svg {
  height: 36px;
  width: auto;
  display: block;
}

.brand--compact img { height: 32px; }

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.25rem 1.5rem;
}

nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

/* Layout */
.hero,
.page,
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 0.5rem;
}

.section--wide {
  max-width: var(--wide);
}

.company-hero {
  max-width: var(--wide);
  padding: 4rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .company-hero {
    grid-template-columns: 1.15fr 0.85fr;
    padding-top: 5rem;
    padding-bottom: 4rem;
  }
}

.hero-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.hero-panel__title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.trust-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.trust-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.trust-list li:last-child { border-bottom: none; }

.trust-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 0.85rem;
}

h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  color: var(--ink);
}

h2 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 0.85rem;
  letter-spacing: -0.02em;
}

h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 1.25rem 0 0.4rem;
  color: var(--ink);
}

.lede,
.section p,
.page p,
.section-intro {
  color: var(--muted);
}

.lede {
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0;
  line-height: 1.7;
}

.section p { margin: 0 0 1rem; }
.section-intro { margin: -0.2rem 0 1.75rem; }

.section-heading {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-heading h2 { margin-bottom: 0.35rem; }

/* Buttons */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, transform 0.15s ease;
}

.button:hover {
  text-decoration: none;
  background: var(--accent-dark);
}

.button.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.button.ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--muted);
}

/* Official Apple App Store badge — do not recolor or alter artwork */
.app-store-badge {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  text-decoration: none;
}

.app-store-badge:hover {
  text-decoration: none;
  opacity: 0.92;
}

.app-store-badge img {
  display: block;
  height: 40px;
  width: auto;
}

.text-link {
  font-weight: 600;
  color: var(--accent);
}

/* Project cards */
.project-grid {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.5rem 1rem;
  display: grid;
  gap: 1.25rem;
}

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

  .project-grid .project--featured {
    grid-column: 1 / -1;
  }
}

.project {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project--featured {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .project--featured {
    grid-template-columns: 1fr 1fr;
    padding: 2rem;
  }
}

.project-soon {
  border-style: dashed;
  background: transparent;
  box-shadow: none;
}

.project-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
}

.project-app-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: block;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.project-page .app-hero-icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  display: block;
  margin: 0 0 1.25rem;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.project-status {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
}

.project-soon .project-status { color: var(--muted); }

.project-copy p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.project-copy p:last-child { margin-bottom: 0; }

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-tags li {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border: 1px solid var(--accent-border);
}

/* Values strip */
.values-strip {
  max-width: var(--wide);
  margin: 3rem auto 0;
  padding: 2rem 1.5rem;
  display: grid;
  gap: 1.25rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elevated);
}

@media (min-width: 768px) {
  .values-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.value-item h3 {
  font-family: var(--sans);
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

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

/* Contact */
.contact-band {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
}

.contact-band h2 { margin-bottom: 0.5rem; }

.contact-band p {
  color: var(--muted);
  max-width: 28rem;
  margin: 0 auto 1.25rem;
}

/* Cards & content */
.card {
  margin: 1.25rem 0;
  padding: 1.35rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card strong { color: var(--ink); }
.card p { color: var(--muted); margin: 0.35rem 0; }

.card-grid {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 600px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

.info-card {
  padding: 1.15rem 1.25rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.info-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
}

.info-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--muted);
}

th {
  color: var(--ink);
  font-weight: 600;
  background: var(--bg);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td { border-bottom: none; }

ul, ol { padding-left: 1.25rem; color: var(--muted); }
li { margin: 0.4rem 0; }

.meta {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.note {
  font-size: 0.92rem;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
  color: var(--ink-soft);
}

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

.back-link {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-weight: 500;
}

.page-hero {
  padding-top: 3rem;
  padding-bottom: 0.5rem;
}

.project-page { padding-top: 2.5rem; padding-bottom: 3rem; }

.promo-video {
  margin: 1.75rem 0 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  scroll-margin-top: 5.5rem;
}

.promo-video__frame {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #0b1220;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
}

.promo-video video {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: contain;
  object-position: center center;
  background: #0b1220;
}

.promo-video figcaption {
  margin-top: 0.65rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Let the promo breathe a bit wider than body copy on this page */
.project-page .promo-video {
  max-width: min(100%, 52rem);
}

.faq-item { margin-bottom: 1.5rem; }
.faq-item h3 {
  font-family: var(--sans);
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

/* Footer */
.site-footer {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .site-footer {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .footer-copy {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--ink); }

.footer-brand strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

@media (max-width: 640px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  nav { justify-content: flex-start; }

  .company-hero {
    padding-top: 2.5rem;
  }
}