/* ==========================================================================
   LAYOUT.CSS — nav, sections, container, grid, footer, responsive base
   ========================================================================== */

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 110px 0;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(247, 244, 236, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  background: rgba(247, 244, 236, 0.94);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-green));
  z-index: 101;
  transition: width 0.1s linear;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  padding: 0;
  flex-shrink: 0;
}

.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 99;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  box-shadow: 0 24px 44px -20px rgba(11, 37, 69, 0.25);
  padding: 8px 28px 24px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.mobile-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ---------- Hero — scroll-build dashboard ---------- */
.hero-scroll {
  position: relative;
  height: 420vh;
  padding: 0;
}

.hero-scroll-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 14px) 0 44px;
}

.build-stage {
  width: 100%;
  max-width: min(1800px, 92vw);
  padding: 0 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-height: 0;
}

.build-dashboard-wrap {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 0;
  margin-top: 14px;
  border-radius: 18px;
  overflow: hidden;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  box-shadow: 0 34px 80px -24px rgba(7, 26, 51, 0.4);
  display: flex;
  flex-direction: column;
}

.build-topbar {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 12px 22px;
  background: var(--color-navy-deep);
  flex-shrink: 0;
}

.build-topbar-nav {
  display: flex;
  gap: 22px;
  flex: 1;
}

.build-dash-inner {
  padding: 20px 26px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.build-dash-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.build-kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.build-panels {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  margin-top: 16px;
  flex: 1;
  min-height: 0;
}

.build-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 18px;
  height: 100%;
  min-height: 120px;
  padding-top: 10px;
}

.build-bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
  height: 100%;
}

.build-bar-track {
  width: 100%;
  max-width: min(90px, 12vw);
  height: 100%;
  display: flex;
  align-items: flex-end;
}
.marquee-bar {
  background: var(--color-navy-deep);
  padding: 16px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 52px;
  white-space: nowrap;
  width: max-content;
}

/* ---------- Section headers ---------- */
.section-head {
  max-width: 640px;
  margin-bottom: 64px;
}

.section-head.center {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Features grid ---------- */
.features {
  background: var(--color-paper);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: 16px;
  overflow: hidden;
}

/* ---------- Showcase ---------- */
.showcase {
  background: var(--color-bg);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}

.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ---------- Lead magnet ---------- */
.lead-magnet {
  background: linear-gradient(135deg, var(--color-navy-deep), var(--color-steel));
}

.lead-magnet-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--color-paper);
}

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

/* ---------- Pricing ---------- */
.pricing {
  background: var(--color-bg);
}

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

/* ---------- FAQ ---------- */
.faq {
  background: var(--color-paper);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-deep);
  color: rgba(255, 255, 255, 0.6);
  padding: 64px 0 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 28px;
}

.footer-cols {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.35);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta .nav-login,
  .nav-cta .btn-sm { display: none; }
  .showcase-grid,
  .contact-grid,
  .lead-magnet-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .plan-grid,
  .testimonial-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  .hero-scroll { height: 460vh; }
  .build-kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .build-panels { grid-template-columns: 1fr; }
  .build-panel.build-phases-panel { display: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  section { padding: 76px 0; }
  .footer-cols { gap: 32px; }
  .hero-scroll { height: 440vh; }
  .hero-scroll-sticky { padding: calc(var(--header-h) + 8px) 0 32px; }
  .build-stage { padding: 0 16px; }
  .build-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .build-topbar-nav { display: none; }
  .build-dash-inner { padding: 14px 16px 18px; }
}