@import "./brand-tokens.css";

/*
 * Layout shell: one centered column (--content-max). Do not set max-width: none on main;
 * full-bleed grids split About / Blog across the entire viewport on ultrawide.
 */

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 100;
  width: auto;
  height: auto;
  padding: 0.5rem 0.85rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  font-family: var(--font-text-stack), var(--font-ui);
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

button:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.site-nav a:focus-visible {
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .blog-card {
    transition: none !important;
  }

  .blog-card:hover {
    transform: none !important;
  }

  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation-duration: 0.001ms !important;
  }
}

@supports (view-transition-name: root) {
  html {
    view-transition-name: root;
  }
}

.site-top {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-top__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.75rem var(--page-pad);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  justify-content: space-between;
}

.site-top__inner .brand {
  flex-shrink: 0;
}

.site-top__inner .theme-toggle {
  margin-left: auto;
}

.site-top__inner .site-nav {
  flex: 1 1 auto;
  justify-content: flex-end;
  min-width: 0;
}

@media (max-width: 540px) {
  .site-top__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand theme"
      "nav nav";
    align-items: center;
    column-gap: 0.75rem;
    row-gap: 0.65rem;
  }

  .site-top__inner .brand {
    grid-area: brand;
  }

  .site-top__inner .theme-toggle {
    grid-area: theme;
    margin-left: 0;
    justify-self: end;
  }

  .site-top__inner .site-nav {
    grid-area: nav;
    flex: none;
    width: 100%;
    justify-content: flex-start;
  }
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(1.08rem, 1.1rem + 0.2vw, 1.25rem);
  font-family: var(--font-display-stack), var(--font-text-stack), var(--font-ui);
}

.brand a {
  color: var(--text);
  text-decoration: none;
}

.brand a:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.95rem;
  font-size: var(--text-base);
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--accent-soft);
}

.site-nav a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
}

.site-nav a[aria-current="page"] {
  font-weight: 800;
  text-decoration: underline;
}

.theme-toggle {
  flex-shrink: 0;
  align-self: center;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-size: var(--text-md);
  line-height: 1;
  transition:
    border-color var(--motion-duration) var(--motion-ease),
    background var(--motion-duration) var(--motion-ease);
}

.theme-toggle:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.theme-toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--page-pad) var(--section-y-lg);
  flex: 1 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* Home: single column (About → Articles). Kept inside same max-width as header/hero. */
.layout-main {
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--page-pad) var(--section-y-lg);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: var(--section-y-lg);
}

.layout-main .blog {
  padding-top: 0;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(120% 80% at 85% 0%, var(--glow-accent) 0%, transparent 55%),
    radial-gradient(90% 60% at 10% 100%, var(--hero-mesh-a) 0%, transparent 50%),
    linear-gradient(165deg, var(--surface-raised) 0%, var(--hero-mesh-b) 48%, var(--bg) 100%);
}

.hero-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-y-lg) var(--page-pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.hero-copy {
  text-align: center;
  max-width: 42rem;
  width: 100%;
}

.hero .hero-eyebrow {
  display: inline-block;
  margin: 0 0 clamp(1.125rem, 0.75rem + 1.25vw, 1.625rem);
  padding: 0.2rem 0.65rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: var(--accent-soft);
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: var(--type-5);
  font-weight: 780;
  letter-spacing: -0.03em;
  line-height: 1.08;
  font-family: var(--font-display-stack), var(--font-text-stack), var(--font-ui);
}

/* Exclude .hero-eyebrow (it is a <p>): .hero p has higher specificity and was zeroing margins. */
.hero p:not(.hero-eyebrow) {
  margin: 0 auto;
  max-width: var(--prose-max);
  color: var(--muted);
  font-size: var(--text-lg);
  line-height: 1.55;
}

.hero-aside {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 0.85rem;
  width: 100%;
  max-width: 36rem;
}

.hero-aside .button,
.hero-aside button {
  min-width: min(100%, 12rem);
}

.hero .button,
.hero button {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  border: 1px solid var(--accent);
  background: var(--accent-soft-strong);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition:
    filter var(--motion-duration) var(--motion-ease),
    border-color var(--motion-duration) var(--motion-ease),
    box-shadow var(--motion-duration) var(--motion-ease);
}

.hero .button:hover,
.hero button:hover {
  filter: brightness(1.06);
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
}

.hero .button--ghost,
.hero button.hero-ghost {
  border-color: var(--border);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  font-weight: 650;
}

.hero .button--ghost:hover,
.hero button.hero-ghost:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.hero .button:focus-visible,
.hero button:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.content-section {
  max-width: var(--prose-max);
  margin: 0;
  padding: 0;
  width: 100%;
}

.layout-main .content-section {
  align-self: stretch;
  margin-inline: 0;
}

.content-section h2 {
  margin: 1 0 0.5rem;
  font-size: var(--type-3);
  font-family: var(--font-display-stack), var(--font-text-stack), var(--font-ui);
}

.content-section p {
  margin: 0;
  max-width: var(--prose-max);
  color: var(--muted);
  font-size: var(--text-lg);
  line-height: 1.55;
}

.blog {
  padding: 0;
  margin: 0;
  width: 100%;
  min-width: 0;
}

.blog > h2 {
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: var(--type-4);
  letter-spacing: -0.02em;
  font-family: var(--font-display-stack), var(--font-text-stack), var(--font-ui);
}

.blog > .blog-intro {
  text-align: center;
  max-width: var(--prose-max);
  margin: 0 auto 1.5rem;
  color: var(--muted);
  font-size: var(--text-lg);
  line-height: 1.55;
}

.blog-grid {
  display: grid;
  /* Cap column width on wide screens so cards stay readable (avoid ultra-wide bars). */
  justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 20rem));
  gap: 1.25rem 1.15rem;
}

@supports (grid-template-rows: subgrid) {
  .blog-grid {
    grid-template-rows: auto auto 1fr auto;
  }

  .blog-card {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 4;
    gap: 0.45rem;
  }
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.1rem 0.95rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--motion-duration) var(--motion-ease),
    box-shadow var(--motion-duration) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
}

.blog-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.blog-card:focus-within {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
}

.blog-card__meta {
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.45rem;
}

.blog-card h3 {
  margin: 0 0 0.5rem;
  font-size: var(--type-2);
  font-family: var(--font-display-stack), var(--font-text-stack), var(--font-ui);
}

.blog-card p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: var(--type-1);
}

.blog-card a {
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.blog-card a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: var(--text-base);
  padding: var(--section-y-md) var(--page-pad) var(--section-y-lg);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  gap: var(--section-y-sm) clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr 1fr;
    text-align: left;
  }

  .footer-brand {
    text-align: left;
  }
}

.footer-brand {
  text-align: center;
}

.footer-brand p {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  min-width: 0;
}

.footer-col h3 {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-col p {
  margin: 0;
  line-height: 1.5;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: baseline;
  gap: 0.45rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
}

.footer-links a {
  font-weight: 600;
  font-size: var(--text-base);
}

/* Apps hub + login hub */
.page-narrow {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: var(--section-y-md) var(--page-pad) var(--section-y-lg);
  box-sizing: border-box;
}

.page-narrow--login {
  max-width: 520px;
}

.page-narrow h1 {
  margin-top: 0;
  font-size: var(--type-4);
  font-weight: 780;
  letter-spacing: -0.02em;
  font-family: var(--font-display-stack), var(--font-text-stack), var(--font-ui);
}

.lead {
  color: var(--muted);
  line-height: 1.55;
  margin: 0 0 1.5rem;
}

.tile-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 520px) {
  .tile-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.tile {
  display: block;
  padding: 1.15rem 1.1rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  background: var(--accent-soft);
  font-weight: 650;
  box-shadow: var(--shadow-sm);
  transition:
    filter var(--motion-duration) var(--motion-ease),
    border-color var(--motion-duration) var(--motion-ease),
    box-shadow var(--motion-duration) var(--motion-ease);
}

.tile:hover {
  filter: brightness(1.05);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.tile:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
}

.tile span {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.tile small {
  display: block;
  font-weight: 500;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.tile--wide {
  grid-column: 1 / -1;
}

.subtle {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1.75rem;
  line-height: 1.45;
}

.subtle a {
  font-weight: 600;
}

.login-actions {
  margin: 1.25rem 0;
}

.login-actions .primary {
  display: block;
  text-align: center;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--accent);
  background: var(--accent-soft-strong);
  color: var(--text);
}

.login-actions .primary:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.login-actions .secondary {
  display: block;
  text-align: center;
  margin-top: 0.65rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent);
}

.login-actions .primary:focus-visible,
.login-actions .secondary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.fineprint {
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 1.25rem;
  line-height: 1.5;
}

.fineprint a {
  font-weight: 600;
}

.back {
  margin-top: 1.75rem;
}

.back a {
  font-weight: 600;
}

.error {
  color: var(--danger);
  margin: 0 0 1rem;
  font-weight: 600;
}