/* InteractDev — dark studio palette. Three accent colors sampled from the
   braided strands in the logo. */

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

:root {
  --bg: #0b0b0d;
  --bg-elevated: #131316;
  --ink: #f5f4ef;
  --muted: #b5b5bd;
  --line: #25262b;

  --green: #8bbf6b;
  --gold: #e8c44a;
  --coral: #e88595;

  --font-serif: "Instrument Serif", Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

html {
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── Layout primitives ──────────────────────────────────────────────────── */

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--line);
}



.section:last-of-type { border-bottom: none; }

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 1rem 0 1.5rem;
}

.lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 75ch;
  line-height: 1.7;
}

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 7rem 0 3rem;
  overflow: hidden;
}

.hero-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    radial-gradient(circle at 25% 35%, var(--green), transparent 40%),
    radial-gradient(circle at 75% 65%, var(--coral), transparent 40%),
    radial-gradient(circle at 50% 50%, var(--gold), transparent 60%);
  filter: blur(40px);
  animation: hero-breathe 16s ease-in-out infinite;
}

@keyframes hero-breathe {
  0%, 100% { transform: scale(1) translate(0, 0); }
  50%      { transform: scale(1.1) translate(2%, -1%); }
}

.hero-logo {
  display: block;
  width: clamp(220px, 32vw, 360px);
  height: auto;
  margin-bottom: 3rem;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero-headline {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.hero-headline em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 75ch;
  line-height: 1.7;
}

/* ── Cards ─────────────────────────────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  position: relative;
  transition: border-color 180ms ease, transform 180ms ease;
}

.card:hover { transform: translateY(-2px); }

.card-green:hover { border-color: var(--green); }
.card-gold:hover  { border-color: var(--gold); }
.card-coral:hover { border-color: var(--coral); }

.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.card-green .card-eyebrow { color: var(--green); }
.card-gold .card-eyebrow  { color: var(--gold); }
.card-coral .card-eyebrow { color: var(--coral); }

.card-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.card-body {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Product row ───────────────────────────────────────────────────────── */

.product {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  margin-top: 3rem;
}

.product-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  flex-shrink: 0;
  min-width: 6rem;
  padding-top: 0.6rem;
}

.product-body { flex: 1; }

.product-name {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

/* The Comprehenzo logo is designed for light backgrounds — give it a small
   white pill so its gray serif wordmark stays legible on the dark studio bg.
   The pill doubles as the affordance: clicking anywhere in it opens the
   Comprehenzo site. */
.product-logo-link {
  display: inline-block;
  background: #fff;
  border-radius: 10px;
  padding: 0.75rem 1.25rem;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-logo-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.product-logo {
  display: block;
  width: clamp(180px, 24vw, 260px);
  height: auto;
}

.product-desc {
  color: var(--muted);
  max-width: 66ch;
  margin-bottom: 0.6rem;
}

.product-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 180ms;
}

.product-link:hover { border-color: var(--coral); }

/* ── Contact ───────────────────────────────────────────────────────────── */

.contact-email {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--line);
  padding: 0.4rem 0.2rem;
  transition: border-color 180ms, color 180ms;
  margin-top: 1.5rem;
}

.contact-email:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ── Lissajous ─────────────────────────────────────────────────────────── */

.lissajous {
  display: block;
  margin: 4rem auto 2rem;
  width: clamp(280px, 34vw, 380px);
  height: clamp(280px, 34vw, 380px);
  overflow: visible;
  filter: drop-shadow(0 0 28px rgba(232, 196, 74, 0.08));
}

.liss-path {
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-dasharray: 8 14;
}

.liss-green { stroke: var(--green); animation: liss-flow 9s linear infinite; }
.liss-gold  { stroke: var(--gold);  animation: liss-flow 11s linear infinite reverse; }
.liss-coral { stroke: var(--coral); animation: liss-flow 13s linear infinite; }

@keyframes liss-flow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -220; }
}

/* ── Footer ────────────────────────────────────────────────────────────── */

footer {
  padding: 3rem 0 4rem;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-align: center;
}

footer span { color: var(--ink); opacity: 0.6; }

/* ── Reduced motion ────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .hero-grain, .liss-path { animation: none; }
}

/* ── Narrow screens ────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .section { padding: 4rem 0; }
  .hero { padding: 5rem 0 3rem; }
  .product { flex-direction: column; gap: 0.5rem; }
  .product-meta { padding-top: 0; }
}