:root {
  --space-2xs: clamp(0.25rem, 0.18rem + 0.22vw, 0.5rem);
  --space-xs: clamp(0.5rem, 0.4rem + 0.35vw, 0.75rem);
  --space-s: clamp(0.75rem, 0.62rem + 0.45vw, 1rem);
  --space-m: clamp(1rem, 0.82rem + 0.7vw, 1.5rem);
  --space-l: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  --space-xl: clamp(2rem, 1.6rem + 1.4vw, 3rem);
  --space-2xl: clamp(2.75rem, 2.2rem + 1.9vw, 4.25rem);
  --space-3xl: clamp(3.5rem, 2.9rem + 2.4vw, 5.5rem);

  --gutter: clamp(16px, 2.2vw, 36px);
  --content-max: 1120px;
  --measure: 72ch;
  --measure-tight: 65ch;

  --tap-target: 44px;

  --fs-h1: clamp(2rem, 1.3rem + 2.8vw, 3.5rem);
  --fs-h2: clamp(1.4rem, 1.05rem + 1.35vw, 2rem);
  --fs-h3: clamp(1.1rem, 0.95rem + 0.6vw, 1.35rem);
}

html {
  overflow-x: clip;
}

body {
  overflow-wrap: break-word;
}

:where(main, section, article, div, p, li, dd, dt, td, th, a) {
  overflow-wrap: break-word;
  word-break: normal;
}

:where(p, li, dd) {
  hyphens: auto;
  line-height: 1.65;
}

:where(h1, h2, h3) {
  line-height: 1.15;
  text-wrap: balance;
  margin-block: 0;
}

:where(h1):not(.scr-wordmark) {
  font-size: var(--fs-h1);
}

:where(h2):not(.scr-wordmark) {
  font-size: var(--fs-h2);
}

:where(h3):not(.scr-wordmark) {
  font-size: var(--fs-h3);
}

:where(p + p) {
  margin-block-start: var(--space-m);
}

.container {
  width: min(100% - (2 * var(--gutter)), var(--content-max));
  margin-inline: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
}

@media (min-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.section {
  display: block;
  min-block-size: auto;
  padding-block: var(--space-xl);
  padding-inline: var(--gutter);
}

.section--tight {
  padding-block: var(--space-l);
}

.section__inner {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-block: var(--space-xl);
}

.section__inner:empty {
  display: none;
  padding: 0 !important;
}

.section__title {
  margin-block-end: var(--space-s);
}

.kicker {
  margin-block-end: var(--space-xs);
  letter-spacing: 0.07em;
}

.section__cols {
  column-count: unset;
  column-gap: unset;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
}

@media (min-width: 900px) {
  .section__cols {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-l);
  }
}

.section__cols > * {
  max-inline-size: var(--measure);
}

.section__cols > :only-child {
  max-inline-size: min(100%, var(--measure));
}

.section__cols > :only-child:is(p, ul, ol, div) {
  grid-column: 1 / -1;
}

.hero,
.hero__content,
.project-page,
.materials-compact,
.tech-rider-wrap {
  padding-inline: var(--gutter);
}

:where(img, video, iframe, svg, canvas, model-viewer) {
  max-inline-size: 100%;
  block-size: auto;
}

/* Do not constrain map rendering surfaces */
.leaflet-container svg,
.leaflet-container canvas,
.maplibregl-map canvas,
.maplibregl-map svg {
  max-inline-size: none !important;
  block-size: auto !important;
}

:where(.media-full, .fullwidth-gif, .split-video-section, .embassy-clip-section, .blueprint-snap, .arch-snap) {
  overflow: clip;
}

:where(.media-full__img, .scrolly__media, .hero__video, .hero__embed iframe, .embassy-clip) {
  inline-size: 100%;
}

:where(.media-full__altbar, .kicker, .materials-note, .trial-tip__text) {
  max-inline-size: var(--measure-tight);
}

:where(a, button, [role="button"], input, select, textarea) {
  min-height: var(--tap-target);
}

:where(a, button, [role="button"], input, select, textarea):focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
}

:where(a:hover) {
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

:where(.hero::after, .hero--weather::after, .scrolly__scrim) {
  pointer-events: none;
}

/* Mobile menu drawer improvements */
@media (max-width: 640px) {
  .scr-nav {
    min-height: calc(var(--scr-nav-height, 80px) + env(safe-area-inset-top));
  }
  
  .scr-drop {
    max-height: calc(100vh - var(--scr-nav-height, 80px) - env(safe-area-inset-bottom));
    overflow-y: auto;
  }
  
  /* Ensure menu items are touch-friendly */
  .scr-acc-btn {
    min-height: 44px;
    padding: 8px 0;
  }
  
  /* Kicker and title separation on mobile */
  .kicker {
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .kicker + .section__title {
    margin-top: 20px;
  }

  /* Disable aggressive hyphenation - causes ugly mid-word breaks on narrow screens */
  :where(p, li, dd) {
    hyphens: manual;
  }

  /* Full-width body copy inside section columns */
  .section__cols > * {
    max-inline-size: none;
  }

  .section__cols > :only-child,
  .section__description,
  .section__body,
  .materials-note,
  .trial-tip__text {
    max-inline-size: none !important;
  }

  .section__cols p,
  .section__cols li,
  .section__description p,
  .section__body p {
    max-inline-size: none !important;
    inline-size: 100%;
  }

  /* Tighter h1 line-height on small screens */
  :where(h1):not(.scr-wordmark) {
    line-height: 1.08;
  }
}

@media (max-width: 899px) {
  :root {
    --mobile-top-safe: calc(var(--scr-nav-height, 80px) + 36px);
  }

  .scroll-shell,
  #scrollShell {
    scroll-padding-top: var(--mobile-top-safe);
  }

  .section__inner {
    padding-block: clamp(28px, 4.8vh, 44px);
  }

  .hero__content {
    padding-top: max(var(--mobile-top-safe), var(--space-xl));
    padding-bottom: var(--space-l);
  }

  .scrolly__overlay {
    padding-top: var(--mobile-top-safe);
  }

  .tech-rider-table {
    min-width: 640px;
  }
}

/* Snap and navigation usability */
.scroll-shell,
#scrollShell {
  scroll-snap-type: none;
  scroll-padding-top: 0;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

.scroll-shell [data-snap],
#scrollShell [data-snap] {
  min-block-size: var(--app-vh, 100dvh);
  min-block-size: 100svh;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

.scroll-shell [data-snap][style*="height:1px"],
#scrollShell [data-snap][style*="height:1px"] {
  min-block-size: 1px !important;
  max-block-size: 1px !important;
  overflow: hidden !important;
  scroll-snap-stop: normal;
}

.scroll-shell [data-snap-zone="off"],
#scrollShell [data-snap-zone="off"],
.scroll-shell section[data-snap-zone="off"],
#scrollShell section[data-snap-zone="off"] {
  min-block-size: auto;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

/* Scrolly "off" zone steps: JS engine snaps here but CSS must not hold the user.
   Without this, scroll-snap-type: y proximity pulls back to the step after landing. */
.scroll-shell [data-snap][data-snap-set-zone="off"],
#scrollShell [data-snap][data-snap-set-zone="off"] {
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

.scroll-shell .snap-step,
#scrollShell .snap-step {
  min-block-size: var(--app-vh, 100dvh);
  min-block-size: 100svh;
}

.scroll-shell .scrolly .snap-step,
#scrollShell .scrolly .snap-step {
  min-block-size: clamp(72svh, 88vh, 100svh);
}

.scroll-buffer {
  height: clamp(3vh, 6vh, 8vh) !important;
}

.drsim-shell,
.drsim-shell iframe,
.maplibregl-map,
.maplibregl-canvas,
.maplibregl-canvas-container,
.leaflet-container,
#map {
  touch-action: pan-x pan-y pinch-zoom;
}

.drsim-shell,
.maplibregl-map,
.leaflet-container,
#map {
  overscroll-behavior: contain;
}

@media (max-width: 899px) {
  .scroll-shell,
  #scrollShell {
    scroll-snap-type: none;
    overscroll-behavior-y: auto;
  }

  .scroll-shell [data-snap],
  #scrollShell [data-snap] {
    min-block-size: var(--app-vh, 100dvh);
    min-block-size: 100svh;
    scroll-snap-align: none;
    scroll-snap-stop: normal;
  }

  .scroll-shell .snap-step,
  #scrollShell .snap-step {
    height: auto;
    min-block-size: clamp(72svh, 88vh, 100svh);
  }

  .scroll-shell .scrolly .snap-step,
  #scrollShell .scrolly .snap-step {
    min-block-size: clamp(68svh, 82vh, 96svh);
  }

  .section {
    padding-block: var(--space-l);
    padding-inline: 12px;
  }

  .section__cols,
  .section__description,
  .section__body {
    inline-size: 100%;
  }

  .section__inner,
  .project-body .section__inner {
    width: 100%;
    max-width: none;
  }
}