/* sections.css - per-section layout */

/* ===== TopNav (floating pill bar) ===== */
.top-nav {
  position: sticky;
  top: 16px;
  z-index: var(--z-nav);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px;
  pointer-events: none;
  transition: top var(--dur-base) var(--ease-out);
}

.top-nav.is-scrolled {
  top: 8px;
}

.top-nav-row {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: var(--container-max);
}

/* Each pill in the nav - glassmorphic web approximation.
   Cream-tinted "liquid glass" so it reads as premium but stays on-brand. */
.nav-brand,
.nav-cta,
.nav-burger {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background:
    linear-gradient(135deg, rgba(255, 252, 246, 0.55), rgba(244, 239, 230, 0.18)),
    rgba(251, 248, 242, 0.55);
  backdrop-filter: blur(20px) saturate(180%) contrast(1.04);
  -webkit-backdrop-filter: blur(20px) saturate(180%) contrast(1.04);
  border: 1px solid rgba(255, 252, 246, 0.55);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  white-space: nowrap;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    inset 0 -1px 0 rgba(19, 18, 17, 0.05),
    0 8px 24px rgba(19, 18, 17, 0.06),
    0 1px 2px rgba(19, 18, 17, 0.04);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  overflow: hidden;
}

/* Top-edge highlight for the refraction look */
.nav-brand::before,
.nav-cta::before,
.nav-burger::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.55), transparent 38%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18), transparent 42%, rgba(255, 255, 255, 0.10));
  pointer-events: none;
  z-index: -1;
}

/* Inner ring */
.nav-brand::after,
.nav-cta::after,
.nav-burger::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.18);
  pointer-events: none;
}

.nav-brand:hover,
.nav-burger:hover {
  border-color: rgba(255, 252, 246, 0.8);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 16px;
  flex-shrink: 0;
}

/* Combined glass pill: outer pill is LIGHT (cream), with dark WhatsApp button nested inside. */
.nav-cta {
  background:
    linear-gradient(135deg, rgba(255, 252, 246, 0.55), rgba(244, 239, 230, 0.18)),
    rgba(251, 248, 242, 0.55);
  color: var(--color-ink);
  border-color: rgba(255, 252, 246, 0.55);
  flex-shrink: 0;
  font-size: 13px;
  padding: 4px 6px 4px 8px;
  gap: 4px;
  margin-left: auto;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    inset 0 -1px 0 rgba(19, 18, 17, 0.05),
    0 8px 24px rgba(19, 18, 17, 0.06),
    0 1px 2px rgba(19, 18, 17, 0.04);
}

/* Links sit inside the light pill with sub-pill backgrounds on hover/active */
.nav-cta-links {
  display: none;
  align-items: center;
  gap: 0;
}

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

.nav-cta-links a {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: -0.005em;
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.nav-cta-links a:hover {
  color: var(--color-ink);
  background: rgba(19, 18, 17, 0.05);
}

/* Subtle divider between links and CTA button */
.nav-cta-links::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 18px;
  margin-inline: 6px;
  background: rgba(19, 18, 17, 0.10);
}

@media (max-width: 767px) {
  .nav-cta-links::after { display: none; }
}

/* The WhatsApp button in the navbar/header, WhatsApp green.
   Keeps the same size, spacing, border radius, typography, and positioning
   as the previous dark variant. Only the colour changes. */
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: #25D366;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.30);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.30),
    0 4px 14px rgba(37, 211, 102, 0.18);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.nav-cta-btn:hover,
.nav-cta-btn:focus-visible {
  background: #20B858;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 4px 16px rgba(37, 211, 102, 0.28);
}

.nav-cta-btn:active {
  transform: translateY(0);
  background: #1DA84E;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.30),
    0 2px 8px rgba(37, 211, 102, 0.30);
}

.nav-cta-btn svg {
  flex-shrink: 0;
}

.nav-cta-label {
  display: inline;
}

@media (max-width: 640px) {
  .nav-cta-label { display: none; }
  .nav-cta-btn { padding: 8px 10px; }
}

/* Mobile: hide the inline links inside the dark pill, keep just the icon */
@media (max-width: 767px) {
  .nav-cta-links { display: none; }
}

/* Spacer to push brand left and CTA right when nav-links is hidden on mobile */
@media (max-width: 767px) {
  .top-nav-row { justify-content: space-between; }
  .nav-brand { margin-right: auto; }
  .nav-cta { display: none; }
}

/* Right-side container for WhatsApp circle + hamburger (mobile only) */
.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

/* Mobile-only WhatsApp icon button (compact dark circle) */
.nav-cta-btn-mobile {
  width: 42px;
  height: 42px;
  padding: 0;
  justify-content: center;
}

/* ===== Mobile hamburger ===== */
.nav-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-pill);
  background: rgba(251, 248, 242, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border: 1px solid rgba(212, 207, 196, 0.6);
  color: var(--color-ink);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}

.nav-burger:hover {
  border-color: var(--color-ink);
}

.nav-burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}

.nav-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.nav-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* Hide hamburger on desktop, show mobile menu trigger */
@media (min-width: 768px) {
  .nav-burger { display: none; }
}

/* Mobile menu dropdown - right-aligned, glassmorphic */
.nav-mobile-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 16px;
  width: auto;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px;
  pointer-events: auto;
  z-index: calc(var(--z-nav) + 1);
  background:
    linear-gradient(135deg, rgba(255, 252, 246, 0.65), rgba(244, 239, 230, 0.20)),
    rgba(251, 248, 242, 0.6);
  backdrop-filter: blur(20px) saturate(180%) contrast(1.04);
  -webkit-backdrop-filter: blur(20px) saturate(180%) contrast(1.04);
  border: 1px solid rgba(255, 252, 246, 0.55);
  border-radius: var(--radius-card);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    inset 0 -1px 0 rgba(19, 18, 17, 0.05),
    0 12px 32px rgba(19, 18, 17, 0.10),
    0 2px 6px rgba(19, 18, 17, 0.05);
}

.nav-mobile-menu[hidden] {
  display: none;
}

.nav-mobile-menu a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-block);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 500;
  pointer-events: auto;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.nav-mobile-menu a:hover {
  background: rgba(19, 18, 17, 0.06);
}

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

/* ===== Hero ===== */
.hero {
  padding-block: 72px 48px;
}

@media (min-width: 768px) {
  .hero {
    padding-block: 96px 56px;
  }
}

.hero-eyebrow {
  margin-bottom: 32px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-subhead {
  font-size: clamp(20px, 2vw, 28px);
  color: var(--color-muted);
  line-height: 1.35;
  max-width: 720px;
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.1;
  color: var(--color-ink);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-tagline .accent {
  color: var(--color-accent);
}

.hero-body {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-install {
  margin-bottom: 32px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

/* Hero image rail - marquee */
.hero-image-rail {
  position: relative;
  width: 100vw;
  margin-inline-start: calc(50% - 50vw);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.hero-image-rail-track {
  display: flex;
  gap: 24px;
  width: max-content;
  padding-inline: 24px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-image-rail-track {
    animation: railScroll 50s linear infinite;
  }
}

.hero-image-rail:hover .hero-image-rail-track {
  animation-play-state: paused;
}

.hero-image-rail-card {
  flex-shrink: 0;
  width: 420px;
  height: 260px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface);
}

.hero-image-rail-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes railScroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

@media (max-width: 480px) {
  .hero-image-rail-card {
    width: 320px;
    height: 200px;
  }
}

/* ===== Sponsors ===== */
.sponsors-heading {
  margin-bottom: 48px;
}

.sponsors-tier-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.sponsors-tier-gold {
  margin-bottom: 48px;
}

.sponsors-grid-bronze {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .sponsors-grid-bronze {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .sponsors-grid-bronze {
    grid-template-columns: repeat(5, 1fr);
  }
}

.sponsor-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  transition: border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.sponsor-card:hover {
  border-color: var(--color-ink);
  transform: translateY(-2px);
}

.sponsor-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-hairline);
}

.sponsor-card-body {
  min-width: 0;
}

.sponsor-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.1;
  margin-bottom: 4px;
}

.sponsor-tagline {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.4;
}

.sponsors-backers-line {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

/* ===== Compatibility ===== */
.compatibility-headline {
  margin-bottom: 24px;
}

.compatibility-headline em {
  font-style: italic;
  color: var(--color-accent);
}

.compatibility-body {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.6;
}

.compatibility-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 64px;
}

.compatibility-codes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 64px;
}

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

@media (min-width: 1024px) {
  .compatibility-codes {
    grid-template-columns: repeat(3, 1fr);
  }
  .compatibility-codes .faux-code-card:last-child {
    grid-column: span 2;
  }
}

.compatibility-agents-heading {
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.compatibility-agents {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
}

@media (min-width: 768px) {
  .compatibility-agents {
    grid-template-columns: 1fr 1fr;
  }
  .compatibility-agents .agent-row:nth-child(odd) {
    border-right: 1px solid var(--color-hairline);
  }
  .compatibility-agents .agent-row:nth-child(1),
  .compatibility-agents .agent-row:nth-child(2) {
    border-top: 0;
  }
}

.agent-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-top: 1px solid var(--color-hairline);
}

@media (min-width: 768px) {
  .agent-row {
    border-top: 1px solid var(--color-hairline);
  }
  .compatibility-agents .agent-row:nth-child(1),
  .compatibility-agents .agent-row:nth-child(2) {
    border-top: 0;
  }
}

@media (max-width: 767px) {
  .agent-row:first-child {
    border-top: 0;
  }
}

.agent-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: var(--tracking-mono);
}

.agent-name {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-ink);
  font-weight: 500;
}

.agent-desc {
  font-size: 13px;
  color: var(--color-muted);
  text-align: right;
}

.compatibility-more {
  margin-top: 24px;
}

/* ===== Editorial Callout ===== */
.editorial-callout {
  position: relative;
  padding-block: 96px;
  background: var(--color-night);
  color: var(--color-paper);
  overflow: hidden;
}

@media (min-width: 768px) {
  .editorial-callout {
    padding-block: 128px;
  }
}

.editorial-callout-bg {
  position: absolute;
  inset: 0;
  background-image: url("https://picsum.photos/seed/cleanstone/2400/1200");
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.editorial-callout-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
}

.editorial-callout h2 {
  font-style: italic;
  font-size: clamp(48px, 9vw, 140px);
  line-height: 0.95;
  color: var(--color-paper);
}

.editorial-callout-line {
  display: block;
}

.editorial-callout-word {
  position: relative;
  display: inline-block;
  padding-inline: 0.05em;
}

.editorial-callout-word .bleed {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  mix-blend-mode: luminosity;
  opacity: 0.85;
  pointer-events: none;
  border-radius: 6px;
}

.editorial-callout-tagline {
  display: block;
  margin-top: 32px;
  font-size: 14px;
  color: var(--color-night-muted);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

/* ===== Skills Grid ===== */
.skills-heading {
  margin-bottom: 12px;
}

.skills-subhead {
  font-size: 18px;
  color: var(--color-muted);
  margin-bottom: 48px;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 64px;
}

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

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

.skill-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  transition: border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.skill-card:hover {
  border-color: var(--color-ink);
  transform: translateY(-2px);
}

.skill-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.skill-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
}

.skill-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.5;
}

.skills-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.skills-preview img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-hairline);
}

/* ===== What's New ===== */
.whatsnew-eyebrow {
  margin-bottom: 24px;
}

.whatsnew h2 {
  margin-bottom: 24px;
}

.whatsnew-body {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 720px;
  margin-bottom: 16px;
}

.whatsnew-stability {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 640px;
  margin-bottom: 32px;
  padding: 16px 20px;
  border-left: 2px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.whatsnew-install {
  margin-bottom: 16px;
}

.whatsnew-migration {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 64px;
  letter-spacing: var(--tracking-mono);
}

.whatsnew-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 64px;
}

/* Rule tabs */
.rule-tabs {
  position: relative;
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  padding-bottom: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  border-bottom: 1px solid var(--color-hairline);
  scrollbar-width: none;
}

.rule-tabs::-webkit-scrollbar { display: none; }

.rule-tab {
  position: relative;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
  background: transparent;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  scroll-snap-align: start;
  transition: color var(--dur-base) var(--ease-out);
  z-index: 2;
}

.rule-tab:hover {
  color: var(--color-ink);
}

.rule-tab.is-active {
  color: var(--color-paper);
}

.rule-tab-pill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--color-ink);
  border-radius: var(--radius-pill);
  z-index: 1;
  transition: transform var(--dur-base) var(--ease-spring),
              width var(--dur-base) var(--ease-spring);
  pointer-events: none;
}

.rule-panels {
  position: relative;
}

.rule-panel {
  display: none;
  grid-template-columns: 1fr;
  gap: 0;
}

.rule-panel.is-active {
  display: grid;
}

.rule-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--color-hairline);
}

.rule-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.rule-section {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: var(--tracking-mono);
}

.rule-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-ink);
  font-weight: 500;
  margin-bottom: 6px;
}

.rule-body {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* ===== Showcase ===== */
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

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

.project-card {
  position: relative;
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-ink);
  isolation: isolate;
}

.project-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-overlay {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 24px;
  background: linear-gradient(180deg, transparent, rgba(19, 18, 17, 0.85));
  color: var(--color-paper);
}

.project-card-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  color: var(--color-paper);
  margin-bottom: 4px;
}

.project-card-author {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-mono);
}

.showcase-footer {
  font-size: 14px;
  color: var(--color-muted);
}

/* ===== Support ===== */
.support {
  text-align: center;
}

.support-inner {
  max-width: 640px;
  margin-inline: auto;
}

.support h2 {
  margin-bottom: 16px;
}

.support-body {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-night);
  color: var(--color-paper);
  padding-block: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 48px;
  }
}

.footer-brand .wordmark {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-paper);
  margin-bottom: 12px;
  display: block;
}

.footer-copyright {
  font-size: 13px;
  color: var(--color-night-muted);
  line-height: 1.5;
}

.footer-col-heading {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-night-muted);
  margin-bottom: 16px;
}

.footer-col-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--color-paper);
}

.footer-col-list a {
  transition: color var(--dur-fast) var(--ease-out);
}

.footer-col-list a:hover {
  color: var(--color-accent);
}

/* Section reveal animations (CSS-only) */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-image-rail-track {
    animation: none !important;
  }
}

/* ===== Language switcher (AR / EN / FR) ===== */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 4px 4px;
  border-radius: var(--radius-pill);
  background: rgba(251, 248, 242, 0.55);
  backdrop-filter: blur(20px) saturate(180%) contrast(1.04);
  -webkit-backdrop-filter: blur(20px) saturate(180%) contrast(1.04);
  border: 1px solid rgba(255, 252, 246, 0.55);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    inset 0 -1px 0 rgba(19, 18, 17, 0.05),
    0 8px 24px rgba(19, 18, 17, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.lang-switch-opt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
  cursor: pointer;
}

.lang-switch-opt:hover {
  color: var(--color-ink);
  background: rgba(19, 18, 17, 0.05);
}

.lang-switch-opt.is-active {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* Stack switcher on mobile (hidden, lives in drawer instead) */
@media (max-width: 767px) {
  .lang-switch { display: none; }
}

/* Language switcher inside the mobile drawer */
.nav-mobile-menu .nav-mobile-lang {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid rgba(19, 18, 17, 0.08);
}

.nav-mobile-menu .nav-mobile-lang .lang-switch-opt {
  min-width: 44px;
  min-height: 44px;
  flex: 1;
  justify-content: center;
  background: rgba(19, 18, 17, 0.04);
}

.nav-mobile-menu .nav-mobile-lang .lang-switch-opt.is-active {
  background: var(--color-ink);
  color: var(--color-paper);
  text-decoration: none;
}

/* Hero rail: first card starts exactly at the viewport edge (no leading padding) */
.hero-image-rail-track {
  padding-inline-start: 0;
}

/* Hero rail in Arabic: reverse only the animation direction (cards move RIGHT).
   Uses a separate keyframe so the same animation, speed, timing, and
   starting position (translate3d 0,0,0) are preserved. */
@keyframes railScrollRTL {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(50%, 0, 0); }
}

@media (prefers-reduced-motion: no-preference) {
  [dir="rtl"] .hero-image-rail-track {
    animation-name: railScrollRTL;
  }
}