/* ==============================================
   risePaisa — Layout: Navbar, Footer, Grids (Premium)
   ============================================== */

/* ── Navbar ──────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-sticky);
  background: rgba(5, 11, 24, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Gradient shimmer line at bottom of navbar */
.navbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(29, 161, 242, 0.35) 30%,
    rgba(29, 161, 242, 0.6) 50%,
    rgba(29, 161, 242, 0.35) 70%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(5, 11, 24, 0.94);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}

.navbar.scrolled::after {
  opacity: 1;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-5);
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .navbar-inner {
    padding: 0 var(--space-8);
  }
}

/* ── Mobile Navbar: solid background fix ──────── */
@media (max-width: 767px) {
  .navbar {
    background: rgba(5, 11, 24, 0.97) !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .navbar.scrolled {
    background: rgb(5, 11, 24) !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  /* Push auth area and toggle to the right end */
  .navbar-inner {
    gap: var(--space-2);
  }
  /* Logo takes remaining space, pushes everything else right */
  .nav-logo {
    margin-right: auto;
  }
}

/* ── Logo ────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.nav-logo:hover {
  opacity: 0.88;
}

.nav-logo .logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  letter-spacing: -0.03em;
}

.nav-logo .logo-text span {
  color: var(--color-accent);
  text-shadow: 0 0 20px rgba(29, 161, 242, 0.45);
}

/* ── Desktop Nav ─────────────────────────────── */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
  padding: var(--space-1) 0;
  letter-spacing: 0.01em;
}

/* Animated underline */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transition: transform var(--duration-fast) var(--ease-out);
  box-shadow: 0 0 8px rgba(29,161,242,0.5);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  display: none;
}

@media (min-width: 768px) {
  .nav-cta {
    display: inline-flex;
  }
}

/* ── Mobile Menu Toggle ──────────────────────── */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  min-height: 44px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Menu ─────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(100vh - var(--nav-height));
  height: calc(100dvh - var(--nav-height)); /* iOS Safari fix */
  background: rgb(5, 11, 24); /* Solid — no transparency bleed-through */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-5);
  transform: translateX(100%);
  transition: transform 260ms var(--ease-out);
  pointer-events: none;
  border-left: 1px solid rgba(29,161,242,0.1);
  overflow-y: auto; /* Allow scrolling if menu content is tall */
  -webkit-overflow-scrolling: touch;
}

.mobile-menu.open {
  transform: translateX(0);
  pointer-events: auto;
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

.mobile-menu .mobile-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: var(--text-2xl);
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--duration-fast) var(--ease-out),
              padding-left var(--duration-fast) var(--ease-out);
  letter-spacing: -0.02em;
}

.mobile-menu .mobile-link:hover,
.mobile-menu .mobile-link.active {
  color: var(--color-accent);
  padding-left: var(--space-3);
  text-shadow: 0 0 20px rgba(29,161,242,0.3);
}

.mobile-menu .mobile-cta {
  margin-top: auto;
  padding-top: var(--space-8);
}

/* ── Page Content ────────────────────────────── */
#app {
  padding-top: var(--nav-height);
  min-height: 100vh;
  min-height: 100svh; /* stable — won't shift when mobile browser chrome changes */
  background: inherit; /* Prevent white gap below content */
}

/* ── Grid Layouts ────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

/* Center single card when grid-2 has only one item */
.grid-2 > :only-child {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .grid-2:has(> :only-child) {
    grid-template-columns: 1fr;
    justify-items: center;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Two-column layout (content + sidebar) ──── */
.layout-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .layout-content {
    grid-template-columns: 1fr 360px;
    gap: var(--space-12);
  }
}

.sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  align-self: start;
}

/* ── Footer ──────────────────────────────────── */
.footer {
  background: rgba(4, 9, 22, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

/* Decorative glow in footer background */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 200px;
  background: radial-gradient(ellipse at center top, rgba(29,161,242,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Accent gradient top border */
.footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(29, 161, 242, 0.3) 25%,
    rgba(29, 161, 242, 0.5) 50%,
    rgba(29, 161, 242, 0.3) 75%,
    transparent 100%
  );
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: var(--leading-relaxed);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--color-text-muted);
  transition: all var(--duration-fast) var(--ease-out);
}

.footer-social a:hover {
  background: rgba(29,161,242,0.15);
  border-color: rgba(29,161,242,0.4);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(29,161,242,0.2);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-section h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  position: relative;
  display: inline-block;
}

/* Small accent underline on footer headings */
.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px rgba(29,161,242,0.5);
}

.footer-section a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  transition: all var(--duration-fast) var(--ease-out);
}

.footer-section a:hover {
  color: var(--color-accent);
  padding-left: var(--space-2);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-bottom .nepali-tag {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: var(--weight-medium);
  text-shadow: 0 0 16px rgba(29,161,242,0.3);
}