/* =========================================================
   COMPONENTS — reusable pieces used across sections
   ========================================================= */

/* ---------- Brand mark ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
}

/* ---------- Nav links ---------- */
.nav-link {
  position: relative;
  color: var(--ink-2);
  font-size: 0.9rem;
  transition: color 0.25s;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  inset-inline-end: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link:hover::after {
  width: 100%;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease),
    background 0.25s,
    box-shadow 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(16, 19, 18, 0.18);
}

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

.btn--ghost:hover {
  border-color: var(--ink);
  box-shadow: none;
}

.btn--light {
  background: #fff;
  border-color: #fff;
  color: var(--ink);
}

/* ---------- Burger ---------- */
.burger {
  display: none;
  padding: 8px;
  border: 0;
  background: none;
  cursor: pointer;
}

.burger i {
  display: block;
  width: 22px;
  height: 1.5px;
  margin: 5px 0;
  background: var(--ink);
}

/* ---------- Hero fact strip ---------- */
.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

.hero-facts > div {
  padding: 24px 26px;
  background: var(--bg);
}

.hero-facts b {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
  font-weight: 600;
}

.hero-facts small {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 300;
  line-height: 1.7;
}

/* ---------- Problem card (on dark) ---------- */
.problem-card {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.problem-card h3 {
  margin-bottom: 10px;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
}

.problem-card p {
  color: #9aa19e;
  font-size: 0.92rem;
  font-weight: 300;
}

.problem-num {
  display: block;
  margin-bottom: 14px;
  color: var(--accent-soft);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
}

/* ---------- Feature cell ---------- */
.feature {
  padding: 38px 32px;
  background: var(--surface);
  transition: background 0.3s;
}

.feature:hover {
  background: var(--sand);
}

.feature .icon {
  width: 24px;
  height: 24px;
  margin-bottom: 20px;
  stroke: var(--accent);
  stroke-width: 1.4;
  fill: none;
}

.feature h3 {
  margin-bottom: 9px;
  font-size: 1.02rem;
}

.feature p {
  color: var(--muted);
  font-size: 0.91rem;
  font-weight: 300;
}

/* ---------- Architecture: bullet list ---------- */
.arch-points {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.arch-points li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.arch-points li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 12px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Architecture: facility tree ---------- */
.tree {
  padding: 34px 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.node {
  position: relative;
  padding-inline-start: 22px;
  margin-inline-end: 9px;
  border-inline-end: 1.5px solid var(--line);
}

.node > .node-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  font-size: 0.93rem;
  font-weight: 500;
}

.node > .node-label::before {
  content: "";
  position: absolute;
  inset-inline-end: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--accent-soft);
}

.node-label small {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--sand);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 400;
}

/* Nested (child) nodes read one level quieter */
.node .node {
  margin-top: 2px;
}

.node .node > .node-label {
  color: var(--ink-2);
  font-size: 0.88rem;
  font-weight: 400;
}

.node .node > .node-label::before {
  background: var(--line);
}

.tree-note {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 300;
}

/* ---------- Platform card ---------- */
.platform {
  padding: 42px 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s;
}

.platform:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(16, 19, 18, 0.07);
}

.platform .tag {
  display: inline-block;
  margin-bottom: 20px;
  padding: 4px 13px;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.platform h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.platform > p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 300;
}

.platform ul {
  display: grid;
  gap: 11px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.platform li {
  display: flex;
  gap: 10px;
  color: var(--ink-2);
  font-size: 0.89rem;
}

.platform li::before {
  content: "—";
  color: var(--accent-soft);
}

/* ---------- Screenshot placeholder ---------- */
.shot {
  flex: none;
  width: 250px;
  aspect-ratio: 9 / 17;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 22px;
  background: linear-gradient(170deg, #1c211f, #161a19);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  color: #6d7773;
  font-size: 0.8rem;
  text-align: center;
}

.shot--wide {
  width: 430px;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
}

.shot .icon {
  width: 28px;
  height: 28px;
  stroke: #4d5350;
  stroke-width: 1.3;
  fill: none;
}

/* ---------- Numbered step ---------- */
.step {
  position: relative;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -14px;
  inset-inline-end: 0;
  padding-inline-start: 12px;
  background: var(--bg);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.step h3 {
  margin-bottom: 9px;
  font-size: 1rem;
}

.step p {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 300;
}

/* ---------- License card ---------- */
.license-card {
  padding: 34px 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.license-card--featured {
  border-color: var(--accent-soft);
  box-shadow: 0 14px 40px rgba(138, 106, 61, 0.09);
}

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

.license-card .price {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 500;
}

.license-card p {
  color: var(--muted);
  font-size: 0.89rem;
  font-weight: 300;
}

.license-note {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 300;
  text-align: center;
}

/* ---------- FAQ accordion ---------- */
.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  font-size: 0.98rem;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: none;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 300;
  transition: transform 0.3s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  max-width: 70ch;
  padding-bottom: 24px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 300;
}

/* ---------- Contact channel row ---------- */
.channel {
  display: block;
  padding: 22px 0;
  border-top: 1px solid var(--on-dark-line);
  transition: padding 0.3s var(--ease);
}

a.channel:hover {
  padding-inline-end: 10px;
}

.channel small {
  display: block;
  margin-bottom: 7px;
  color: var(--accent-soft);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
}

.channel b {
  display: inline-block;
  color: #fff;
  font-size: 1.06rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Phone numbers, e-mail and domains always read left-to-right */
.channel b.ltr {
  direction: ltr;
}

/* ---------- Contact side panel ---------- */
.contact-aside {
  padding: 34px 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r);
}

.contact-aside h3 {
  margin-bottom: 14px;
  color: #fff;
  font-size: 1rem;
}

.contact-aside p {
  margin-bottom: 24px;
  color: #9aa19e;
  font-size: 0.9rem;
  font-weight: 300;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-facts {
    grid-template-columns: 1fr;
  }

  .nav-link {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.95rem;
  }

  .nav-link::after {
    display: none;
  }

  .burger {
    display: block;
  }

  .shot--wide {
    width: 300px;
  }
}