/* ═══════════════════════════════════════════════════════
   Dossier Enclave — Layout (Nav, Footer, Page Structure)
   ═══════════════════════════════════════════════════════ */

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  display: flex;
  align-items: center;
  transition:
    background var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.nav--scrolled {
  background: rgba(6, 10, 20, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  text-decoration: none;
}

.nav__brand:hover {
  color: var(--text-primary);
}

.nav__logo {
  width: 28px;
  height: 28px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav__link {
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: color var(--duration-fast) var(--ease-out);
  padding: var(--space-2) 0;
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
}

.nav__link--active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav__cta {
  margin-left: var(--space-2);
}

.nav__status {
  margin-left: var(--space-4);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 10, 20, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
}

.nav__mobile.open {
  display: flex;
  animation: fadeInDown 0.3s var(--ease-out);
}

.nav__mobile a {
  color: var(--text-secondary);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-subtle);
  display: block;
}

.nav__mobile a:hover,
.nav__mobile a.nav__link--active {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__cta.desktop-only {
    display: none;
  }
  .nav__toggle {
    display: flex;
  }
  .nav__inner {
    padding: 0 var(--space-4);
  }
}

/* ─── Page Wrapper ─── */
.page {
  padding-top: var(--nav-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page__content {
  flex: 1;
}

/* ─── Section ─── */
.section {
  padding: var(--space-24) 0;
}

.section--compact {
  padding: var(--space-16) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__title {
  margin-bottom: var(--space-4);
}

.section__subtitle {
  color: var(--text-muted);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  padding: var(--space-24) 0 var(--space-20);
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
      ellipse at 20% 50%,
      rgba(79, 124, 255, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 20%,
      rgba(123, 92, 255, 0.06) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 50% 80%,
      rgba(79, 124, 255, 0.04) 0%,
      transparent 50%
    );
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__badge {
  margin-bottom: var(--space-6);
}

.hero__title {
  margin-bottom: var(--space-6);
  font-weight: var(--weight-extrabold);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ─── Feature Grid ─── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature {
  text-align: center;
  padding: var(--space-8);
}

.feature__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius-lg);
  color: var(--accent);
  font-size: var(--text-2xl);
}

.feature__title {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.feature__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: var(--space-16) 0 var(--space-12);
  }
}

/* ─── Steps ─── */
.steps {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 220px;
  max-width: 300px;
  text-align: center;
}

.step__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  color: white;
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
}

.step__title {
  margin-bottom: var(--space-2);
  font-size: var(--text-lg);
}

.step__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

.footer__links {
  display: flex;
  gap: var(--space-12);
}

.footer__group h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer__group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__group a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.footer__group a:hover {
  color: var(--text-primary);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--text-disabled);
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
  }
  .footer__links {
    flex-direction: column;
    gap: var(--space-6);
  }
}

/* ─── Legal Pages ─── */
.legal-page {
  padding: var(--space-12) 0 var(--space-24);
}

.legal-page h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-8);
}

.legal-page h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.legal-page p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.legal-page ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.legal-page li {
  padding-left: var(--space-6);
  position: relative;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.legal-page li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}