/* Spooner Labs — site.css */

/* ─── Fonts ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --color-bg:       #fafaf8;
  --color-surface:  #f2f2ee;
  --color-border:   #ddddd8;
  --color-text:     #1a1a18;
  --color-muted:    #6b6b66;
  --color-accent:   #3663C1;
  --color-accent-hover: #2a52a8;
  --color-accent-bg: #eef2fc;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;

  --size-xs:  0.75rem;
  --size-sm:  0.875rem;
  --size-base: 1rem;
  --size-lg:  1.125rem;
  --size-xl:  1.375rem;
  --size-2xl: 1.875rem;
  --size-3xl: 2.5rem;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --max-width: 44rem;
  --max-width-wide: 60rem;
  --radius: 4px;
}

/* ─── Base ────────────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ─── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #030C2C;
}

h1 { font-size: var(--size-3xl); }
h2 { font-size: var(--size-2xl); }
h3 { font-size: var(--size-xl); }
h4 { font-size: var(--size-lg); }

p { max-width: 66ch; }

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

a:hover {
  color: var(--color-accent-hover);
  opacity: 1;
}

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width);
}

/* ─── Navigation ─────────────────────────────────────────── */
.site-nav {
  background: #ffffff;
  padding: var(--space-6) 0;
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
}

.site-nav__logo img {
  display: block;
  height: 40px;
  width: auto;
}

.site-nav__links {
  list-style: none;
  display: flex;
  gap: var(--space-6);
}

.site-nav__links a {
  font-size: var(--size-sm);
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] {
  color: var(--color-accent);
  opacity: 1;
}

/* ─── Home tagline bridge ────────────────────────────────── */
.home-tagline {
  padding: var(--space-12) 0;
}

.home-tagline p {
  font-size: var(--size-sm);
  color: var(--color-muted);
  max-width: 64ch;
  line-height: 1.5;
}

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

.home-tagline a:hover {
  color: var(--color-accent-hover);
}

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer {
  padding: var(--space-12) 0 var(--space-8);
  margin-top: 0;
  border-top: 1px solid var(--color-border);
}

.site-footer__tagline {
  font-size: var(--size-sm);
  color: var(--color-muted);
  max-width: 64ch;
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.site-footer__tagline a {
  color: var(--color-accent);
}

.site-footer__tagline a:hover {
  color: var(--color-accent-hover);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.site-footer__copy {
  font-size: var(--size-xs);
  color: var(--color-muted);
}

.site-footer__links {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
}

.site-footer__links a {
  font-size: var(--size-xs);
  color: var(--color-accent);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--color-accent-hover);
  opacity: 1;
}

.site-footer__social {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.site-footer__social-link {
  color: var(--color-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.site-footer__social-link:hover {
  color: var(--color-text);
  opacity: 1;
}

/* ─── Page header ─────────────────────────────────────────── */
.page-header {
  padding: var(--space-16) 0 var(--space-12);
}

.page-header__eyebrow {
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.page-header__title {
  margin-bottom: var(--space-4);
}

.page-header__desc {
  font-size: var(--size-lg);
  color: var(--color-muted);
  line-height: 1.5;
  max-width: 52ch;
}

.page-header__cta {
  margin-top: var(--space-12);
}

/* ─── Section ─────────────────────────────────────────────── */
.section {
  padding: var(--space-12) 0;
}

.section + .section {
  border-top: 1px solid var(--color-border);
}

.section__label {
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

/* ─── Cards ──────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: var(--space-4);
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
  background: var(--color-bg);
  text-decoration: none;
  display: block;
  transition: border-color 0.15s, background 0.15s;
}

.card:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
  opacity: 1;
}

.card__title {
  font-size: var(--size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card__desc {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.5;
  max-width: none;
}

.card__meta {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

.card__link {
  font-size: var(--size-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  margin-left: auto;
}

.card__link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.card__link + .card__link {
  margin-left: var(--space-2);
}

.tag {
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}

.tag--status-live    { color: #2d6a4f; background: #d8f3dc; border-color: #b7e4c7; }
.tag--status-progress{ color: #7b4f12; background: #fde8c0; border-color: #f5c878; }
.tag--status-idea    { color: var(--color-muted); }
.tag--status-archived{ color: var(--color-muted); background: var(--color-surface); }

/* ─── Prose ──────────────────────────────────────────────── */
.prose {
  max-width: 66ch;
}

.prose p + p { margin-top: var(--space-4); }
.prose h2 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose h3 { margin-top: var(--space-6); margin-bottom: var(--space-2); }
.prose ul, .prose ol { padding-left: var(--space-6); margin: var(--space-4) 0; }
.prose li + li { margin-top: var(--space-2); }

/* ─── About intro (photo + bio) ─────────────────────────── */
.about-intro {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
  margin-bottom: var(--space-8);
}

.about-intro__photo {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid var(--color-border);
}

.about-intro__bio {
  flex: 1;
}

@media (max-width: 560px) {
  .about-intro {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ─── Home hero ──────────────────────────────────────────── */
.hero {
  position: relative;
  height: 75vh;
  display: flex;
  align-items: flex-end;
  padding: var(--space-24) 0 var(--space-16);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 70% 40%,
    rgba(255,255,255,0.08),
    transparent 60%
  );
  pointer-events: none;
  z-index: 1;
}

.hero > .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  max-width: 18ch;
  color: var(--color-text);
}

.hero__sub {
  font-size: var(--size-lg);
  color: var(--color-muted);
  max-width: 52ch;
  line-height: 1.55;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ─── Buttons / links ────────────────────────────────────── */
.btn {
  display: inline-block;
  font-size: var(--size-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  opacity: 1;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface);
  border-color: var(--color-text);
  color: var(--color-text);
  opacity: 1;
}

.btn--ghost-light {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost-light:hover {
  background: var(--color-surface);
  border-color: var(--color-text);
  color: var(--color-text);
  opacity: 1;
}

/* ─── Inline link with arrow ─────────────────────────────── */
.arrow-link {
  text-decoration: none;
  font-weight: 500;
  font-size: var(--size-sm);
  color: var(--color-accent);
}

.arrow-link::after {
  content: ' \2192';
  opacity: 0.6;
}

.arrow-link:hover::after {
  opacity: 1;
}

/* ─── Speaking list ──────────────────────────────────────── */
.topic-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.topic-list li {
  font-size: var(--size-sm);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  color: var(--color-muted);
}

/* ─── Speaking history ───────────────────────────────────── */
.speaking-year {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0 var(--space-6);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
}

.speaking-year:first-child {
  border-top: none;
}

.speaking-year__label {
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-muted);
  padding-top: 2px;
}

.speaking-year__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.speaking-year__list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.speaking-talk__title {
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.speaking-talk__meta {
  font-size: var(--size-xs);
  color: var(--color-muted);
}

@media (max-width: 640px) {
  .speaking-year {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

/* ─── Contact ─────────────────────────────────────────────── */
.contact-form {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-form__field label {
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.contact-form__field input,
.contact-form__field textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--size-base);
  transition: border-color 0.15s;
}

.contact-form__field input:focus,
.contact-form__field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form__field textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form__submit {
  align-self: flex-start;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: var(--size-base);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.contact-form__submit:hover {
  background: var(--color-accent-hover);
}

.contact-form__submit--spaced {
  margin-top: var(--space-4);
}

/* ─── Background preview modal ──────────────────────────── */
.bg-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(250,250,248,0.90);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.bg-modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.bg-modal-close {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 12;
  font-family: inherit;
  font-size: var(--size-sm);
  color: var(--color-muted);
  background: rgba(250,250,248,0.80);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 5px 14px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, color 0.15s;
}

.bg-modal-close:hover { color: var(--color-text); }

.bg-modal-close.is-open {
  opacity: 1;
  pointer-events: auto;
}

.bg-modal-hint {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  font-size: var(--size-xs);
  color: var(--color-muted);
  background: rgba(250,250,248,0.80);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 4px 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.bg-modal-hint.is-open { opacity: 1; }

/* ─── Background switcher ────────────────────────────────── */
.bg-select {
  font-family: inherit;
  font-size: var(--size-xs);
  color: var(--color-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.bg-select:hover,
.bg-select:focus {
  color: var(--color-text);
  border-color: var(--color-accent);
  outline: none;
}

/* ─── Background toggle button (upper-right) ────────────── */
.bg-toggle-btn {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  z-index: 2;
  padding: 0.3rem 0.7rem;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-muted);
  background: rgba(250, 250, 248, 0.82);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: color 0.15s, background 0.15s, opacity 0.15s;
  opacity: 0;                 /* hidden until a background is active */
  pointer-events: none;
}
.bg-toggle-btn.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.bg-toggle-btn:hover { color: var(--color-text); background: rgba(250,250,248,0.96); }
.bg-toggle-btn--audio { top: 3.0rem; }   /* sits just below the bg toggle */

/* ─── Thank-you actions ──────────────────────────────────── */
.thankyou-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.contact-elsewhere {
  margin-top: var(--space-12);
}

.contact-elsewhere__list {
  list-style: none;
  padding: 0;
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-elsewhere__list a {
  font-weight: 500;
}

/* ─── Lab feed ────────────────────────────────────────────── */
.feed {
  display: flex;
  flex-direction: column;
}

.feed-item {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}

.feed-item:first-child {
  border-top: 1px solid var(--color-border);
}

.feed-item__type {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.feed-item__title {
  font-size: var(--size-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

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

.feed-item__title a:hover {
  color: var(--color-accent);
}

.feed-item__excerpt {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 60ch;
  margin-bottom: var(--space-3);
}

.feed-item__footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.feed-item__link {
  font-size: var(--size-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
}

.feed-item__link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* ─── Explore grid ─────────────────────────────────────────── */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.explore-tile {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: #F7F7F8;
  transition: border-color 0.15s, background 0.15s;
}

.explore-tile:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

.explore-tile--soon {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

.explore-tile__eyebrow {
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.explore-tile__title {
  font-size: var(--size-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.explore-tile__desc {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

.explore-tile__arrow {
  margin-top: var(--space-4);
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--color-accent);
}

/* ─── Explore tile category variants ──────────────────────── */
.explore-tile--experiments {
  border-top: 3px solid #E97825;
}
.explore-tile--experiments .explore-tile__eyebrow { color: #E97825; }
.explore-tile--experiments .explore-tile__arrow   { color: #E97825; }
.explore-tile--experiments:hover { border-color: #E97825; background: #fff5ed; }

.explore-tile--projects {
  border-top: 3px solid var(--color-accent);
}
.explore-tile--projects .explore-tile__eyebrow { color: var(--color-accent); }
.explore-tile--projects .explore-tile__arrow   { color: var(--color-accent); }

.explore-tile--ideas {
  border-top: 3px solid #b07d0a;
}
.explore-tile--ideas .explore-tile__eyebrow { color: #b07d0a; }

/* ─── Tagline bridge ─────────────────────────────────────── */
.tagline-bridge {
  padding: var(--space-12) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.tagline-bridge p {
  font-size: var(--size-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.02em;
  max-width: none;
}

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

/* ─── Evolving Orgs bridge ─────────────────────────────────── */
.evolving-bridge {
  border-top: none !important;
  padding-top: 0 !important;
  padding-bottom: var(--space-8);
}

.evolving-bridge p {
  font-size: var(--size-sm);
  color: var(--color-muted);
  text-align: center;
  max-width: none;
}

/* ─── Footer external link ─────────────────────────────────── */
.site-footer__external {
  font-style: normal;
}

/* ─── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
  padding: var(--space-6) 0 0;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb li {
  font-size: var(--size-xs);
  color: var(--color-muted);
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: var(--space-2);
  color: var(--color-border);
}

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

.breadcrumb a:hover {
  color: var(--color-accent);
  opacity: 1;
}

/* ─── Project hero ───────────────────────────────────────── */
.project-hero {
  padding: var(--space-12) 0 var(--space-16);
}

.project-hero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.project-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: var(--space-3) 0 var(--space-4);
}

.project-hero__desc {
  font-size: var(--size-lg);
  color: var(--color-muted);
  line-height: 1.5;
  max-width: 44ch;
  margin-bottom: var(--space-6);
}

.project-hero__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.project-hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.project-hero__preview {
  position: relative;
}

.project-hero__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.10);
}

@media (max-width: 768px) {
  .project-hero__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .project-hero {
    padding: var(--space-8) 0 var(--space-12);
  }

  .project-hero__preview {
    order: -1;
  }
}

/* ─── Feature grid ───────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8) var(--space-6);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.feature-item__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  background: var(--color-surface);
  margin-top: 2px;
}

.feature-item__title {
  display: block;
  font-size: var(--size-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.feature-item__desc {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.5;
  max-width: none;
}

@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Steps grid ─────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8) var(--space-6);
}

.step {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step__num {
  font-size: var(--size-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-1);
}

.step__title {
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.step__desc {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.5;
  max-width: none;
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Screenshot gallery ─────────────────────────────────── */
.screenshot-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.screenshot-gallery__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
}

/* ─── Feature grid — 5-up variant ───────────────────────── */
.feature-grid--5 {
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

.feature-item--stacked {
  flex-direction: column;
  gap: var(--space-3);
}

.feature-item--stacked .feature-item__icon {
  margin-top: 0;
}

@media (max-width: 900px) {
  .feature-grid--5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 560px) {
  .feature-grid--5 {
    grid-template-columns: 1fr 1fr;
  }
}

/* ─── Insight cards ──────────────────────────────────────── */
.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.insight-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
  background: var(--color-bg);
}

.insight-card--blue {
  border-left: 3px solid #1e88e5;
  background: #f0f7ff;
}

.insight-card--red {
  border-left: 3px solid #e53935;
  background: #fff5f5;
}

.insight-card__title {
  font-size: var(--size-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.insight-card__body {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.55;
  max-width: none;
}

.insight-card__body + .insight-card__body {
  margin-top: var(--space-3);
}

.insight-card__counties {
  font-size: var(--size-xs);
  color: var(--color-muted);
  line-height: 1.6;
  margin-top: var(--space-3);
  max-width: none;
}

@media (max-width: 640px) {
  .insight-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Related work card thumbnail ────────────────────────── */
.related-card__thumb {
  height: 100px;
  border-radius: 4px 4px 0 0;
  margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-4);
}

.related-card__thumb--florida {
  background: linear-gradient(150deg, #c8382a 0%, #c8382a 45%, #e8ecf0 45%, #e8ecf0 55%, #2153a0 55%, #2153a0 100%);
}

.related-card__thumb--wherenow {
  background: linear-gradient(160deg, #f5f0e4 0%, #ece6d4 100%);
}

.related-card__thumb--workradar {
  background: linear-gradient(135deg, #1D2254 0%, #3663C1 60%, #E97825 100%);
}

/* ─── Utilities ──────────────────────────────────────────── */
.text-muted { color: var(--color-muted); }
.text-sm    { font-size: var(--size-sm); }
.mt-4       { margin-top: var(--space-4); }
.mt-6       { margin-top: var(--space-6); }
.mt-8       { margin-top: var(--space-8); }

/* ─── Nav toggle (hamburger) ─────────────────────────────── */
.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 var(--space-2);
  flex-shrink: 0;
}

.site-nav__toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.site-nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-4);
  }

  /* Nav — hamburger */
  .site-nav {
    position: relative;
  }

  .site-nav__toggle {
    display: flex;
  }

  .site-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-4) var(--space-4);
    gap: 0;
    z-index: 100;
  }

  .site-nav__links.is-open {
    display: flex;
  }

  .site-nav__links li a {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--size-base);
    border-bottom: 1px solid var(--color-border);
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .site-nav__links li:last-child a {
    border-bottom: none;
  }

  /* Typography */
  :root {
    --size-3xl: 2rem;
    --size-2xl: 1.5rem;
  }

  h1 { font-size: clamp(1.5rem, 7vw, 2.5rem); }
  h2 { font-size: clamp(1.25rem, 5vw, 1.875rem); }

  /* Hero */
  .hero {
    height: auto;
    padding: var(--space-16) 0 var(--space-12);
  }

  /* Page layout */
  .page-header {
    padding: var(--space-8) 0 var(--space-6);
  }

  .section {
    padding: var(--space-8) 0;
  }

  /* Grids */
  .card-grid,
  .explore-grid {
    grid-template-columns: 1fr;
  }

  /* Touch targets */
  .btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .contact-form__submit {
    min-height: 44px;
    width: 100%;
    align-self: stretch;
  }

  /* Footer */
  .site-footer {
    margin-top: 0;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .site-footer__links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .thankyou-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ─── Home hero ──────────────────────────────────────────── */
.home-hero {
  padding: var(--space-16) 0 var(--space-12);
}

.home-hero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.home-hero__radar-wrap {
  position: relative;
  min-height: 380px;
}

#radar-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.home-hero__title {
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 14ch;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.home-hero__sub {
  font-size: var(--size-lg);
  color: var(--color-muted);
  max-width: none;
  line-height: 1.5;
}

/* ─── Featured project ───────────────────────────────────── */
.featured-project {
  padding: var(--space-16) 0;
}

.featured-project__layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-16);
  align-items: start;
}

.featured-project__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.experiment-card__img {
  width: 140px;
  flex-shrink: 0;
  height: auto;
  min-height: 160px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.experiment-card__body {
  flex: 1;
}

.featured-project__eyebrow {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.featured-project__title {
  font-size: var(--size-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.featured-project__desc {
  font-size: var(--size-base);
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  max-width: 42ch;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.feature-list__item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.feature-list__icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  margin-top: 2px;
}

.feature-list__text strong {
  display: block;
  font-size: var(--size-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.feature-list__text p {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.45;
  max-width: none;
}

/* ─── Experiments section ────────────────────────────────── */
.experiments-section {
  padding: var(--space-16) 0 var(--space-12);
  border-top: 1px solid var(--color-border);
}

.experiments-section__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-8);
}

.experiments-section__title {
  font-size: var(--size-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.experiments-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.experiment-card {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: row;
  text-decoration: none;
  color: inherit;
}

.experiment-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 12px rgba(26, 76, 200, 0.08);
}

.experiment-card__image {
  height: 180px;
  background: var(--color-surface);
}

.experiment-card__image--florida {
  background: linear-gradient(150deg, #c8382a 0%, #c8382a 45%, #e8ecf0 45%, #e8ecf0 55%, #2153a0 55%, #2153a0 100%);
}

.experiment-card__image--wherenow {
  background: linear-gradient(160deg, #f5f0e4 0%, #ece6d4 100%);
}

.experiment-card__body {
  padding: var(--space-6);
}

.experiment-card__label {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.experiment-card__title {
  font-size: var(--size-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.experiment-card__desc {
  font-size: var(--size-sm);
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: var(--space-4);
  max-width: none;
}

/* ─── Home responsive ────────────────────────────────────── */
@media (max-width: 768px) {
  .home-hero__layout {
    grid-template-columns: 1fr;
  }

  .home-hero__radar-wrap {
    min-height: 280px;
  }

  .featured-project__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .experiments-grid {
    grid-template-columns: 1fr;
  }

  .experiment-card {
    flex-direction: column;
  }

  .experiment-card__img {
    width: 100%;
    min-height: 180px;
    height: 180px;
  }

  .experiments-section__header {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }
}