:root {
  --primary: #00707e;
  --primary-dark: #00565f;
  --accent: #00707e;
  --accent-dark: #00565f;
  --bg: #f7f5f0;
  --card-bg: #ffffff;
  --border: #e4e0d6;
  --text: #16171c;
  --text-muted: #5b6270;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Montserrat", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  background: rgba(247, 245, 240, 0.9);
  border-bottom: 1px solid var(--border);
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  padding: 1rem 1.5rem;
  flex-wrap: wrap;
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.brand-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  border-left: 1px solid var(--border);
  padding-left: 1rem;
}

/* Hero */

.hero {
  margin: 3rem 0 2.5rem;
}

.hero h1 {
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 600;
  font-size: 2.25rem;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
  max-width: 40rem;
}

/* Prototype grid */

.prototype-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.prototype-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.prototype-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.prototype-card__icon {
  width: 44px;
  height: 44px;
  color: var(--primary);
}

.prototype-card__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.prototype-card h2 {
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  margin: 0;
}

.prototype-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
  flex-grow: 1;
}

.btn {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.6rem 1.3rem;
  border-radius: 100px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  width: fit-content;
}

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

.btn--primary:hover {
  background: var(--accent-dark);
}

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

.btn--outline:hover {
  background: var(--accent);
  color: #fff;
}

.empty-state {
  color: var(--text-muted);
  font-size: 0.95rem;
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 2rem;
  text-align: center;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  padding: 1.5rem 0 3rem;
}

.site-footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer__copy {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0;
}