/* ============================================================
   SKYHOOP — Layout
   Container, Grid, Section structure, Nav, Footer
   ============================================================ */

/* ── Container ──────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

.container-wide {
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

/* ── Section spacing ────────────────────────────────────── */

section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

/* ── Nav ────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-nav);
  transition: background var(--duration-base) var(--ease-out-expo),
              border-color var(--duration-base) var(--ease-out-expo);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.96);
  border-bottom-color: rgba(255, 255, 255, 0.07);
}

.nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav__logo img {
  height: 32px;
  width: auto;
  /* Boost brightness for charcoal bg */
  filter: brightness(1.15) contrast(1.05);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin: 0 auto;
}

.nav__link {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  transition: color 0.3s ease;
}

/* Targeting reticle — 4 corner brackets snap into place on hover */
.nav__link::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -8px;
  right: -8px;
  bottom: -4px;
  opacity: 0;
  transform: scale(1.15);
  transition:
    opacity 0.3s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);

  background:
    linear-gradient(to right,  #00D1FF 2px, transparent 2px) 0    0,
    linear-gradient(to bottom, #00D1FF 2px, transparent 2px) 0    0,
    linear-gradient(to left,   #00D1FF 2px, transparent 2px) 100% 0,
    linear-gradient(to bottom, #00D1FF 2px, transparent 2px) 100% 0,
    linear-gradient(to right,  #00D1FF 2px, transparent 2px) 0    100%,
    linear-gradient(to top,    #00D1FF 2px, transparent 2px) 0    100%,
    linear-gradient(to left,   #00D1FF 2px, transparent 2px) 100% 100%,
    linear-gradient(to top,    #00D1FF 2px, transparent 2px) 100% 100%;

  background-repeat: no-repeat;
  background-size: 6px 6px;
}
.nav__link:hover::before {
  opacity: 1;
  transform: scale(1);
}
.nav__link:hover {
  color: var(--white);
  text-shadow: 0 0 8px rgba(0, 209, 255, 0.4);
}
.nav__link:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav__cta {
  margin-left: auto;
  flex-shrink: 0;
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  margin-left: auto;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 1px;
  transition: transform var(--duration-base) var(--ease-out-expo),
              opacity var(--duration-fast) var(--ease-out-expo);
}
.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav overlay */
.nav__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: rgba(17,17,16,0.98);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out-expo);
}
.nav__mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--text-secondary);
  letter-spacing: -0.02em;
  transition: color var(--duration-fast) var(--ease-out-expo);
}
.nav__mobile-link:hover {
  color: var(--white);
}

/* ── Hero Section ───────────────────────────────────────── */

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-20);
  align-items: center;
  width: 100%;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__visual {
  position: relative;
  z-index: 2;
}

/* Coordinate grid bg */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* ── Capabilities Section ───────────────────────────────── */

#capabilities {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-12);
}

@media (max-width: 1100px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .cap-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Hero Data Chip Grid ────────────────────────────────── */
/*    4-col desktop → 2x2 on mobile                         */

.hd-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

/* ── Solutions Section ──────────────────────────────────── */

#solutions {
  background: var(--bg-primary);
}

/* ── Partner Section ────────────────────────────────────── */

#partners {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  margin-top: var(--space-12);
}

.partner-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.partner-benefit {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.partner-benefit__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  color: var(--maroon);
  stroke: var(--maroon);
}
.partner-benefit__text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.partner-benefit__title {
  display: block;
  margin-bottom: var(--space-1);
}

/* ── About Section ──────────────────────────────────────── */

#about {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  margin-top: var(--space-12);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-12);
}

/* ── Footer ─────────────────────────────────────────────── */

footer {
  background: #0d0d0c;
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__logo img {
  height: 28px;
  filter: brightness(1.1);
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  margin: 0;
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.06em;
  margin: 0;
}

/* ── Footer social icons ─────────────────────────────── */

.footer__social {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: var(--space-5);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  transition: color var(--duration-fast) var(--ease-out-expo),
              transform var(--duration-fast) var(--ease-out-expo);
}
.footer__social-link:hover {
  color: var(--white);
  transform: translateY(-2px);
}
.footer__social-link:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Mission Section ────────────────────────────────────── */

#mission {
  text-align: center;
  background: var(--bg-primary);
  position: relative;
}

.mission__quote {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  font-style: normal;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--white);
  max-width: 700px;
  margin: var(--space-6) auto;
}

.mission__quote em {
  font-style: normal;
  color: inherit;
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 1024px) {
  .partner-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container,
  .container-wide {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }
  .nav__mobile-overlay {
    display: flex;
  }

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

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

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

@media (max-width: 480px) {
  /* 4-chip grid wraps to 2×2 */
  .hd-chips {
    grid-template-columns: repeat(2, 1fr);
  }
  /* Top-bar center coord hidden — too cramped on narrow display */
  .hd-coord {
    display: none;
  }
  /* Micro-data labels hidden at 375px — card body too compact */
  .value-card__micro {
    display: none;
  }
}