/* ============================================================
   Layout — navbar, hero, sections, footer
   ============================================================ */

/* === Navbar ============================================ */
.c-navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-navbar);
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  transition: background-color var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              backdrop-filter var(--t-base) var(--ease-out),
              color var(--t-base) var(--ease-out);
  /* Transparent over hero — no gradient (hero overlay handles darkening).
     No border-bottom — it caused a faint hairline at the gradient edge. */
  color: var(--white);
  background: transparent;
  border-bottom: 0;
}

.c-navbar.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--color-border);
  color: var(--color-text-strong);
}

[data-theme="dark"] .c-navbar.is-scrolled {
  background: rgba(11, 11, 18, 0.86);
  border-bottom-color: rgba(255,255,255,0.08);
  color: var(--white);
}

.c-navbar__inner {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-8);
  padding-inline: var(--gutter-desktop);
}

@media (max-width: 1024px) {
  .c-navbar__inner { padding-inline: var(--gutter-tablet); }
}
@media (max-width: 640px) {
  .c-navbar { height: var(--navbar-h-mobile); }
  .c-navbar__inner { padding-inline: var(--gutter-mobile); }
}

.c-navbar__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(32px, 5vw, 72px);
}

@media (max-width: 1024px) {
  .c-navbar__nav { display: none; }
}

.c-navbar__nav-item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-base);
  letter-spacing: 0;
  color: inherit;
  position: relative;
  padding-block: var(--s-2);
  transition: opacity var(--t-fast) var(--ease-out);
}

.c-navbar__nav-item::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  height: 2px;
  width: 0;
  background: var(--brand-red);
  transform: translateX(-50%);
  transition: width var(--t-base) var(--ease-out);
}

.c-navbar__nav-item:hover::after,
.c-navbar__nav-item.is-active::after {
  width: 22px;
}

.c-navbar__nav-item:hover {
  opacity: 0.85;
}

.c-navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

/* Navbar search pill — switches glass treatment based on
   scroll state via inherited color & overrides below */
.c-navbar .c-search-pill {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  color: var(--white);
}

.c-navbar.is-scrolled .c-search-pill {
  background: var(--gray-50);
  border-color: var(--gray-100);
  color: var(--color-text-strong);
}

.c-navbar.is-scrolled .c-search-pill:hover {
  background: var(--gray-75);
}

/* Hamburger button — mobile only */
.c-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  color: inherit;
  background: transparent;
  position: relative;
}

@media (max-width: 1024px) {
  .c-hamburger { display: inline-flex; }
}

.c-hamburger__bars {
  position: relative;
  width: 20px;
  height: 14px;
}

.c-hamburger__bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--t-base) var(--ease-out),
              opacity var(--t-base) var(--ease-out),
              top var(--t-base) var(--ease-out);
}

.c-hamburger__bars span:nth-child(1) { top: 0; }
.c-hamburger__bars span:nth-child(2) { top: 6px; }
.c-hamburger__bars span:nth-child(3) { top: 12px; }

.c-hamburger.is-open .c-hamburger__bars span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}
.c-hamburger.is-open .c-hamburger__bars span:nth-child(2) {
  opacity: 0;
}
.c-hamburger.is-open .c-hamburger__bars span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

/* On mobile navbar, hide nav-only desktop actions, keep search icon-only */
.c-navbar__search-mobile {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  color: inherit;
}

@media (max-width: 1024px) {
  .c-navbar .c-search-pill { display: none; }
  .c-navbar__search-mobile { display: inline-flex; }
}

/* === Hero =============================================== */
.c-hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  width: 100%;
  overflow: hidden;
  color: var(--white);
  background: var(--brand-black);
}

.c-hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--t-slow) var(--ease-out);
}

.c-hero__slide.is-active {
  opacity: 1;
}

.c-hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.c-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.0) 30%, rgba(0,0,0,0.62) 86%, rgba(0,0,0,0.78) 100%),
    radial-gradient(ellipse at 50% 80%, rgba(0,0,0,0.30), rgba(0,0,0,0) 60%);
  z-index: 2;
}

.c-hero__content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--s-16);
  align-items: center;
  text-align: center;
}

@media (max-width: 640px) {
  .c-hero__content {
    align-items: flex-start;
    text-align: left;
    padding-bottom: var(--s-10);
  }
  .c-hero { min-height: 560px; }
}

.c-hero__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: var(--s-4);
  opacity: 0;
  transform: translateY(8px);
  animation: heroFadeUp var(--t-slow) var(--ease-out) 200ms forwards;
}

.c-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  max-width: 18ch;
  margin-bottom: var(--s-8);
  text-wrap: balance;
  opacity: 0;
  transform: translateY(12px);
  animation: heroFadeUp var(--t-slow) var(--ease-out) 320ms forwards;
}

.c-hero__actions {
  display: flex;
  gap: var(--s-4);
  margin-bottom: var(--s-12);
  opacity: 0;
  transform: translateY(8px);
  animation: heroFadeUp var(--t-slow) var(--ease-out) 480ms forwards;
}

@media (max-width: 640px) {
  .c-hero__actions { width: 100%; }
  .c-hero__actions .c-btn {
    flex: 1;
    min-width: 0;
  }
}

.c-hero__dots {
  position: absolute;
  left: 50%;
  bottom: var(--s-8);
  transform: translateX(-50%);
  z-index: 4;
}

@media (max-width: 640px) {
  .c-hero__dots { bottom: var(--s-6); }
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Section ============================================ */
.c-section {
  padding-block: var(--s-20);
}

@media (max-width: 640px) {
  .c-section { padding-block: var(--s-12); }
}

.c-section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-6);
  margin-bottom: var(--s-10);
}

.c-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.1;
  letter-spacing: var(--ls-tight);
  color: var(--color-text-strong);
  text-wrap: balance;
}

.c-section__subtitle {
  max-width: 60ch;
  margin-top: var(--s-3);
  color: var(--color-text-muted);
  font-size: var(--fs-md);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .c-section__head { margin-bottom: var(--s-6); }
}

/* === Story grid ======================================== */
.c-grid-stories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-8);
}

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

@media (max-width: 640px) {
  .c-grid-stories {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
}

/* === Footer ============================================ */
.c-footer {
  background: var(--color-bg-soft);
  padding-block: var(--s-12) var(--s-6);
  border-top: 1px solid var(--color-border);
}

.c-footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--s-12);
  padding-bottom: var(--s-10);
}

@media (max-width: 1024px) {
  .c-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .c-footer__top {
    grid-template-columns: 1fr;
    gap: var(--s-8);
  }
}

.c-footer__brand-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}

.c-footer__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--color-text-strong);
  margin-top: var(--s-2);
}

.c-footer__brand-tag {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.c-footer__col-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--color-text-strong);
  margin-bottom: var(--s-4);
}

.c-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.c-footer__links a {
  font-size: var(--fs-base);
  color: var(--color-text);
  transition: color var(--t-fast) var(--ease-out);
}

.c-footer__links a:hover {
  color: var(--brand-red);
}

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

.c-footer__copy {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.c-footer__legal {
  display: flex;
  gap: var(--s-6);
  align-items: center;
}

.c-footer__legal a {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  transition: color var(--t-fast) var(--ease-out);
}

.c-footer__legal a:hover {
  color: var(--color-text-strong);
}

.c-footer__legal-sep {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: var(--color-text-muted);
  opacity: 0.5;
}

.c-lang-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}

.c-lang-switch button {
  color: var(--color-text-muted);
  padding: 2px var(--s-1);
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
  transition: color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}

.c-lang-switch button[aria-current="true"] {
  color: var(--color-text-strong);
  background: var(--gray-100);
}

@media (max-width: 640px) {
  .c-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-4);
  }
  .c-footer__legal {
    flex-wrap: wrap;
    gap: var(--s-3);
  }
}