/* Upstart AI site styles.
   Brand colours and fonts come from assets/brand/brand-tokens.css.
   This file only holds the bits Tailwind's utility classes don't cover neatly. */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--upstart-warm-grey);
  color: var(--upstart-ink);
  font-family: var(--upstart-font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-display {
  font-family: var(--upstart-font-display);
  letter-spacing: -0.01em;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(240, 234, 229, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--upstart-border);
}

.nav-link {
  color: var(--upstart-ink);
  font-weight: 500;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  border-bottom-color: var(--upstart-border);
}

.nav-link.active {
  border-bottom-color: var(--upstart-lime);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
}

.btn-primary {
  background-color: var(--upstart-lime);
  color: var(--upstart-ink);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(183, 251, 57, 0.35);
}

.btn-outline {
  background: transparent;
  border-color: var(--upstart-ink);
  color: var(--upstart-ink);
}

.btn-outline:hover {
  background: var(--upstart-ink);
  color: var(--upstart-warm-grey);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

.btn-outline-light:hover {
  background: #ffffff;
  color: var(--upstart-ink);
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

/* Cards */

.card {
  background: #ffffff;
  border: 1px solid var(--upstart-border);
  border-radius: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(10, 10, 10, 0.08);
  border-color: var(--upstart-lime);
}

/* Project card footer: separated "See how it works" row, see build.js renderProjectCard */

.card-footer-row {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--upstart-border);
}

.card-hover:hover .card-footer-row .btn {
  background: var(--upstart-ink);
  border-color: var(--upstart-ink);
  color: var(--upstart-warm-grey);
}

.badge-worth {
  display: inline-block;
  background: var(--upstart-lime);
  color: var(--upstart-ink);
  font-weight: 700;
  border-radius: 0.5rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
  line-height: 1.2;
}

.badge-new {
  display: inline-block;
  background: var(--upstart-ink);
  color: var(--upstart-lime);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-weight: 700;
}

/* Locked community callout */

.lock-callout {
  background: var(--upstart-ink);
  color: #ffffff;
  border-radius: 1.25rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.lock-callout::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(183, 251, 57, 0.18), transparent 60%);
  pointer-events: none;
}

.lock-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: rgba(183, 251, 57, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--upstart-lime);
  flex-shrink: 0;
}

/* Numbered DIY steps */

.step-list {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-list li {
  counter-increment: step;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
}

.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  background: var(--upstart-warm-grey);
  border: 1.5px solid var(--upstart-border);
  color: var(--upstart-ink);
  font-family: var(--upstart-font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

/* Footer */

.site-footer {
  background-color: var(--upstart-dark, #131313);
  color: #ffffff;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer a:hover {
  color: var(--upstart-lime);
}

/* Avatar placeholder used on About / Home until a real photo is added */

.avatar-placeholder {
  background: var(--upstart-ink);
  color: var(--upstart-lime);
  font-family: var(--upstart-font-display);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile menu */

#mobile-menu.hidden {
  display: none;
}

/* Simple fade-in used sparingly for hero content */

.fade-in {
  animation: fadeIn 0.5s ease both;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Home hero "three assistants" tab widget */

.hero-tab {
  font-family: var(--upstart-font-body);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  color: var(--upstart-muted);
  background: transparent;
  border: 1.5px solid var(--upstart-border);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.hero-tab:hover {
  border-color: var(--upstart-ink);
  color: var(--upstart-ink);
}

.hero-tab.active {
  background: var(--upstart-lime);
  border-color: var(--upstart-lime);
  color: var(--upstart-ink);
}

.hero-tab-panel.hidden {
  display: none;
}

.mini-check {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--upstart-lime);
  color: var(--upstart-ink);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Respect reduced-motion preferences: kill lifts and fades, keep everything else */

@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .hero-tab-panel {
    animation: none !important;
  }

  .card-hover:hover,
  .btn-primary:hover {
    transform: none;
  }
}