/* CEDU Voices — page layout & components (loads after site-palette.css) */

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--fg);
  line-height: 1.65;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 120% 70% at 50% -25%, rgba(49, 130, 206, 0.2), transparent 52%),
    radial-gradient(ellipse 55% 40% at 100% 0%, rgba(250, 204, 21, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 35% at 0% 100%, rgba(144, 205, 244, 0.18), transparent 48%);
}

body.layout-sticky-footer {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

body.layout-sticky-footer #main {
  flex: 1 1 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 200;
  padding: 0.5rem 1rem;
  font-family: var(--font);
  font-weight: 700;
  color: var(--blue-deep);
  background: var(--yellow-bright);
  border-radius: 4px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1100;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  font-family: var(--font);
  background: linear-gradient(
    180deg,
    var(--navbar-gradient-start) 0%,
    var(--navbar-gradient-end) 100%
  );
  border-bottom: 1px solid color-mix(in srgb, var(--blue-soft) 22%, transparent);
  box-shadow: 0 2px 14px rgba(15, 23, 42, 0.18);
}

.site-nav-inner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  max-width: min(42rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.65rem 0;
}

.site-nav-top {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.site-nav-menu {
  position: relative;
  flex-shrink: 0;
}

.site-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.35rem;
  border: none;
  border-radius: 8px;
  background: color-mix(in srgb, white 12%, transparent);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.site-nav-toggle:hover {
  background: color-mix(in srgb, white 18%, transparent);
}

.site-nav-toggle:focus-visible {
  outline: 2px solid var(--yellow-bright);
  outline-offset: 2px;
}

.site-nav-toggle-box {
  display: block;
  position: relative;
  width: 1.375rem;
  height: 1.0625rem;
}

.site-nav-toggle-bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: #f1f5f9;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle-bar:nth-child(1) {
  top: 0;
}

.site-nav-toggle-bar:nth-child(2) {
  top: 50%;
  margin-top: -1px;
}

.site-nav-toggle-bar:nth-child(3) {
  bottom: 0;
}

.site-nav-toggle.is-open .site-nav-toggle-bar:nth-child(1) {
  top: 50%;
  margin-top: -1px;
  transform: rotate(45deg);
}

.site-nav-toggle.is-open .site-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav-toggle.is-open .site-nav-toggle-bar:nth-child(3) {
  bottom: 50%;
  margin-bottom: -1px;
  transform: rotate(-45deg);
}

.site-nav-panel {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  left: auto;
  z-index: 1001;
  width: max-content;
  min-width: 11.75rem;
  max-width: min(18rem, calc(100vw - 2rem));
  padding: 0.4rem;
  margin: 0;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--blue-soft) 28%, transparent);
  background: linear-gradient(
    180deg,
    var(--navbar-gradient-start) 0%,
    var(--navbar-gradient-end) 100%
  );
  box-shadow:
    0 4px 6px rgba(15, 23, 42, 0.12),
    0 12px 28px rgba(15, 23, 42, 0.38);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.4rem);
  pointer-events: none;
  transition:
    opacity 0.32s ease,
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.32s;
}

.site-nav-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .site-nav-panel {
    transition-duration: 0.01ms;
  }
}

nav.site-nav .site-nav-brand {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: #f1f5f9;
  text-decoration: none;
  text-decoration-thickness: 0;
}

nav.site-nav .site-nav-brand:hover {
  color: var(--yellow-bright);
}

nav.site-nav .site-nav-brand:focus-visible {
  outline: 2px solid var(--yellow-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-nav-links {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav.site-nav .site-nav-links a {
  display: block;
  padding: 0.55rem 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: color-mix(in srgb, #e2e8f0 94%, var(--blue-soft));
  text-decoration: none;
  text-decoration-thickness: 0;
  border-radius: 6px;
}

nav.site-nav .site-nav-links a:hover {
  color: var(--yellow-bright);
  background: color-mix(in srgb, white 8%, transparent);
}

nav.site-nav .site-nav-links a:focus-visible {
  outline: 2px solid var(--yellow-bright);
  outline-offset: 1px;
}

nav.site-nav .site-nav-links a[aria-current="page"] {
  color: var(--yellow-bright);
  background: color-mix(in srgb, white 10%, transparent);
}


.site-header {
  position: relative;
  z-index: 0;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2.25rem, 6vw, 3.25rem) 1.5rem clamp(2.5rem, 5vw, 3rem);
  text-align: center;
  background: var(--hero-gradient);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}

.site-header::before {
  content: "";
  position: absolute;
  width: min(42rem, 140%);
  height: min(42rem, 120vw);
  left: 50%;
  top: 55%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--blue-soft) 28%, transparent) 0%,
    transparent 68%
  );
  pointer-events: none;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    color-mix(in srgb, var(--bg) 35%, transparent) 100%
  );
  pointer-events: none;
}

.site-header > * {
  position: relative;
  z-index: 2;
}

.site-header.site-header--page {
  padding: clamp(1.65rem, 4vw, 2.35rem) 1.5rem clamp(2rem, 4vw, 2.65rem);
}

.site-header.site-header--page .kicker a {
  color: inherit;
  text-decoration: none;
}

.site-header.site-header--page .kicker a:hover {
  color: var(--yellow-bright);
}

.site-header.site-header--page .kicker a:focus-visible {
  outline: 2px solid var(--yellow-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header.site-header--page h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.45rem);
}

.kicker {
  margin: 0 0 0.65rem;
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--blue-deep) 88%, black);
}

h1 {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(2.1rem, 6vw, 2.85rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--blue-deep);
  text-wrap: balance;
}

.title-line {
  display: inline-block;
}

.title-accent {
  display: inline-block;
  color: var(--accent);
  background: linear-gradient(118deg, var(--yellow-gold) 0%, var(--yellow-bright) 100%);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .title-accent {
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

h1 .title-underline {
  display: block;
  width: 4.5rem;
  height: 4px;
  margin: 1.15rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--yellow), var(--yellow-bright));
  box-shadow: 0 2px 14px color-mix(in srgb, var(--yellow-bright) 45%, transparent);
}

.tagline {
  margin: 1.25rem auto 0;
  max-width: 32rem;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--tagline);
  text-wrap: balance;
}

main {
  max-width: min(42rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.25rem) 0 3rem;
}

main.projects-main {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

main.projects-main > section {
  margin-bottom: 0;
}

section {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.25rem;
  padding: 0;
  font-family: var(--font);
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--card-elevated) 88%, var(--card)) 0%,
    var(--card) 100%
  );
  border: 1px solid color-mix(in srgb, var(--border) 75%, var(--card));
  border-radius: 16px;
  box-shadow:
    0 1px 0 color-mix(in srgb, white 50%, transparent) inset,
    0 2px 6px rgba(26, 35, 50, 0.06),
    0 16px 48px rgba(26, 35, 50, 0.09);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

section:hover {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 color-mix(in srgb, white 55%, transparent) inset,
    0 4px 12px rgba(26, 35, 50, 0.08),
    0 22px 56px rgba(26, 35, 50, 0.12);
}

section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--blue-deep) 0%,
    var(--blue-mid) 32%,
    var(--yellow) 62%,
    var(--yellow-bright) 100%
  );
}

.section-inner {
  padding: 1.35rem 1.5rem 1.4rem;
}

.section-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.section-ico {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: 0.1rem;
  border-radius: 12px;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--blue-soft) 38%, var(--card)),
    color-mix(in srgb, var(--blue-mid) 14%, var(--card))
  );
  color: var(--blue-deep);
  border: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}

.section-ico svg {
  width: 1.25rem;
  height: 1.25rem;
}

h2 {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-family: var(--font);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.28;
  color: var(--accent);
}

.section-inner > p,
.section-inner > ul {
  margin: 0 0 0.85rem;
}

.section-inner > p:last-child,
.section-inner > ul:last-child {
  margin-bottom: 0;
}

.project-outlinks {
  margin-top: 0.35rem;
  padding-top: 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 45%, transparent);
}

.project-outlinks p {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}

.project-outlinks p:last-child {
  margin-bottom: 0;
}

.project-outlinks strong {
  font-weight: 700;
  color: var(--fg);
}

body.layout-sticky-footer main.about-main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

body.layout-sticky-footer main.about-main .about-ai-card {
  margin-top: auto;
}

.about-ai-card .about-ai-card-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  font-style: italic;
  color: color-mix(in srgb, var(--fg) 88%, transparent);
  text-wrap: pretty;
}

ul {
  padding-left: 1.15rem;
}

li {
  margin-bottom: 0.4rem;
  padding-left: 0.1rem;
}

li::marker {
  color: var(--blue-mid);
}

strong {
  font-family: var(--font);
  color: var(--blue-deep);
  font-weight: 800;
}

footer {
  margin-top: 1.5rem;
  padding: 0.85rem 1.5rem 0.95rem;
  font-family: var(--font);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, #e2e8f0 94%, var(--blue-soft));
  border-top: 1px solid color-mix(in srgb, var(--blue-soft) 22%, transparent);
  background: linear-gradient(
    180deg,
    var(--navbar-gradient-start) 0%,
    var(--navbar-gradient-end) 100%
  );
  box-shadow: 0 -2px 14px rgba(15, 23, 42, 0.18);
}

footer p {
  margin: 0;
}

footer a {
  color: color-mix(in srgb, #e2e8f0 94%, var(--blue-soft));
  font-weight: 600;
  text-decoration: none;
  text-decoration-thickness: 0;
}

footer a:hover {
  color: var(--yellow-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

footer a:focus-visible {
  outline: 2px solid var(--yellow-bright);
  outline-offset: 2px;
  border-radius: 4px;
}

a {
  font-family: var(--font);
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

a:hover {
  color: color-mix(in srgb, var(--accent-highlight) 70%, var(--accent));
  text-decoration-color: color-mix(in srgb, var(--accent-highlight) 55%, transparent);
}

a:focus-visible {
  outline: 2px solid var(--accent-highlight);
  outline-offset: 3px;
  border-radius: 3px;
}

@media (prefers-color-scheme: dark) {
  .kicker {
    color: color-mix(in srgb, var(--blue-soft) 75%, white);
  }
  section::before {
    height: 3px;
    background: linear-gradient(
      90deg,
      color-mix(in srgb, var(--accent) 85%, #78350f) 0%,
      var(--accent-highlight) 100%
    );
  }


  nav.site-nav .site-nav-brand {
    color: #f8fafc;
  }

  nav.site-nav .site-nav-links a {
    color: color-mix(in srgb, #e2e8f0 92%, var(--blue-soft));
  }


  h1 {
    color: #e2e8f0;
  }

  .title-accent {
    background: linear-gradient(118deg, #fcd34d 0%, var(--yellow-pale) 100%);
    -webkit-background-clip: text;
    background-clip: text;
  }

  h1 .title-underline {
    box-shadow: 0 2px 18px rgba(250, 204, 21, 0.35);
  }

  body {
    background-image:
      radial-gradient(ellipse 120% 65% at 50% -22%, rgba(43, 67, 108, 0.35), transparent 52%),
      radial-gradient(ellipse 50% 38% at 100% 0%, rgba(251, 191, 36, 0.08), transparent 48%),
      radial-gradient(ellipse 45% 38% at 0% 100%, rgba(56, 139, 253, 0.1), transparent 48%);
  }

  .site-header::before {
    background: radial-gradient(
      circle,
      color-mix(in srgb, var(--blue-mid) 22%, transparent) 0%,
      transparent 65%
    );
  }

  strong {
    color: #bfdbfe;
  }

  section {
    border-color: color-mix(in srgb, var(--border) 70%, #1a1a1a);
    box-shadow:
      0 1px 0 color-mix(in srgb, white 8%, transparent) inset,
      0 2px 8px rgba(0, 0, 0, 0.2),
      0 18px 50px rgba(0, 0, 0, 0.28);
  }

  section:hover {
    box-shadow:
      0 1px 0 color-mix(in srgb, white 10%, transparent) inset,
      0 4px 14px rgba(0, 0, 0, 0.25),
      0 24px 60px rgba(0, 0, 0, 0.32);
  }

  .section-ico {
    background: linear-gradient(
      145deg,
      color-mix(in srgb, var(--blue-deep) 45%, var(--card)),
      color-mix(in srgb, var(--blue-mid) 22%, var(--card))
    );
    color: #e2e8f0;
    border-color: color-mix(in srgb, var(--border) 50%, transparent);
  }

}