/* ============================================================
   North Canaan — Design System
   Dark, premium, editorial. Influenced by infinityconstellation.
   ============================================================ */

:root {
  --bg:        #07080b;
  --bg-soft:   #0c0e13;
  --panel:     #101319;
  --line:      rgba(255, 255, 255, 0.08);
  --line-2:    rgba(255, 255, 255, 0.14);
  --fg:        #f3f4f2;
  --muted:     #9aa0a8;
  --muted-2:   #6b7178;

  --accent:    #7cc6a6;   /* sage / northern green */
  --accent-2:  #8db4f0;   /* cold blue */
  --accent-3:  #b79ae0;   /* aurora violet */

  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 18px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-serif: "Fraunces", Georgia, serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #04130d; }

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

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

/* ---------- Reusable ---------- */
.grad {
  background: linear-gradient(105deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.85em 1.6em;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.4s var(--ease), background 0.3s, border-color 0.3s, color 0.3s;
}
.btn--primary {
  background: var(--fg);
  color: #08090c;
}
.btn--primary:hover { transform: translateY(-2px); background: #fff; }
.btn--ghost {
  background: transparent;
  border-color: var(--line-2);
  color: var(--fg);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--fg); }
.btn--block { width: 100%; padding: 1.05em; font-size: 1rem; }

.section__head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 72px); }
.section__label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 18px;
}
.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.section__lede {
  margin-top: 20px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 560px;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 8, 11, 0.72);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
}
.nav__star { color: var(--accent); font-size: 0.85em; }
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.25s;
}
.nav__links a:hover { color: var(--fg); }
.nav__cta {
  border: 1px solid var(--line-2);
  padding: 0.5em 1.1em;
  border-radius: 100px;
  color: var(--fg) !important;
  transition: border-color 0.25s, background 0.25s;
}
.nav__cta:hover { border-color: var(--fg); background: rgba(255,255,255,0.04); }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  width: 24px; height: 2px; background: var(--fg);
  transition: transform 0.3s, opacity 0.3s;
}
.nav.is-open .nav__toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav.is-open .nav__toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--pad) 80px;
  overflow: hidden;
}
.hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero__glow {
  position: absolute;
  top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 900px;
  max-width: 120vw;
  background: radial-gradient(circle, rgba(124,198,166,0.16), rgba(141,180,240,0.08) 40%, transparent 70%);
  filter: blur(20px);
  z-index: 0;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 7.5vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.hero__sub {
  margin-top: 30px;
  max-width: 50ch;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--muted);
}
.hero__actions { margin-top: 42px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll span {
  display: block; width: 24px; height: 38px;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  position: relative;
}
.hero__scroll span::after {
  content: ""; position: absolute;
  top: 7px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 7px; border-radius: 3px;
  background: var(--accent);
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; transform: translate(-50%, 0); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translate(-50%, 12px); }
  100% { opacity: 0; }
}

/* ---------- Principles stack (option B) ---------- */
.principles {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.principles__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.principles__list { list-style: none; }
.principles__item {
  display: flex;
  align-items: baseline;
  gap: clamp(20px, 4vw, 48px);
  padding: clamp(22px, 3.5vw, 36px) 0;
  border-bottom: 1px solid var(--line);
}
.principles__item:first-child { border-top: 1px solid var(--line); }
.principles__num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: var(--accent);
  flex: 0 0 2.4ch;
}
.principles__text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.5vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--fg);
}

/* ---------- Marquee ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 18px 0;
  background: var(--bg-soft);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 38px;
  white-space: nowrap;
  width: max-content;
  animation: marquee 32s linear infinite;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--muted);
}
.marquee .dot { color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section shells ---------- */
section.thesis, section.products, section.team {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 150px) var(--pad);
}

/* ---------- Thesis ---------- */
.thesis__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 32px 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
  transition: border-color 0.4s, transform 0.4s var(--ease), background 0.4s;
}
.pillar:hover {
  border-color: var(--line-2);
  transform: translateY(-4px);
  background: linear-gradient(180deg, rgba(124,198,166,0.05), transparent);
}
.pillar__num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--accent);
  display: block;
  margin-bottom: 22px;
}
.pillar__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.pillar p { color: var(--muted); font-size: 0.98rem; }
.pillar em { font-style: italic; color: var(--fg); font-family: var(--font-serif); }

/* ---------- Building-for block ---------- */
.building-for {
  margin-bottom: clamp(56px, 8vw, 88px);
  border-left: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  padding-left: clamp(24px, 4vw, 40px);
}
.building-for__thread {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--fg);
  max-width: 68ch;
  margin-bottom: clamp(32px, 5vw, 52px);
}
.building-for__themes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-bottom: clamp(32px, 5vw, 52px);
}
.theme__label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 12px;
}
.theme p {
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 52ch;
}
@media (max-width: 900px) {
  .building-for__themes { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .building-for__themes { grid-template-columns: 1fr; }
}

/* ---------- Products ---------- */
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px 26px;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background: var(--panel);
  transition: transform 0.45s var(--ease), border-color 0.4s;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s;
}
.card:hover { transform: translateY(-6px); border-color: var(--line-2); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }
.card__top { display: flex; align-items: center; justify-content: space-between; }
.card__mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}
.card__arrow {
  color: var(--accent);
  font-size: 1.2rem;
  transition: transform 0.4s var(--ease);
}
.card:hover .card__arrow { transform: translate(4px, -4px); }
.card__line { color: var(--muted); font-size: 0.98rem; margin: 16px 0; flex: 1; }
.card__tag {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding: 0.35em 0.8em;
  border-radius: 100px;
}

/* ---------- Team ---------- */
.team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.member {
  display: flex;
  gap: 26px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
  transition: border-color 0.4s, transform 0.4s var(--ease);
}
.member:hover { border-color: var(--line-2); transform: translateY(-4px); }
.member__photo {
  flex: 0 0 96px;
  width: 96px; height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, color-mix(in srgb, var(--accent) 60%, #000), #0c0e13 75%);
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
}
.member__photo::after {
  content: attr(data-initials);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2rem;
  color: var(--fg);
}
.member__name { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; }
.member__role { color: var(--accent); font-size: 0.85rem; font-family: var(--font-display); margin: 4px 0 12px; letter-spacing: 0.02em; }
.member__bio { color: var(--muted); font-size: 0.96rem; }

/* ---------- Apply ---------- */
.apply {
  position: relative;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  overflow: hidden;
}
.apply__glow {
  position: absolute;
  bottom: -40%; right: -10%;
  width: 700px; height: 700px;
  max-width: 110vw;
  background: radial-gradient(circle, rgba(141,180,240,0.14), transparent 65%);
  filter: blur(10px);
  pointer-events: none;
}
.apply__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 140px) var(--pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.apply__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 8px 0 18px;
}
.apply__sub { color: var(--muted); font-size: 1.08rem; max-width: 44ch; }
.apply__points { list-style: none; margin-top: 28px; display: grid; gap: 12px; }
.apply__points li {
  position: relative;
  padding-left: 26px;
  color: var(--fg);
}
.apply__points li::before {
  content: "✦";
  position: absolute; left: 0;
  color: var(--accent);
}
.apply__form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 4vw, 40px);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(8px);
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 0.85em 1em;
  transition: border-color 0.3s, box-shadow 0.3s;
  resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.apply__note { margin-top: 14px; font-size: 0.9rem; color: var(--accent); min-height: 1.2em; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 60px var(--pad);
  display: grid;
  gap: 18px;
  text-align: center;
  place-items: center;
}
.footer__brand {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.1em;
  display: flex; align-items: center; gap: 10px;
}
.footer__links { display: flex; gap: 26px; flex-wrap: wrap; justify-content: center; }
.footer__links a { color: var(--muted); font-family: var(--font-display); font-size: 0.9rem; transition: color 0.25s; }
.footer__links a:hover { color: var(--fg); }
.footer__copy { color: var(--muted-2); font-size: 0.82rem; }

/* ---------- Product detail page ---------- */
.product {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(120px, 16vw, 180px) var(--pad) clamp(70px, 10vw, 120px);
}
.product__back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 40px;
  transition: color 0.25s;
}
.product__back:hover { color: var(--fg); }
.product__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding: 0.4em 0.9em;
  border-radius: 100px;
  margin-bottom: 24px;
}
.product__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 6.5rem);
  letter-spacing: -0.03em;
  line-height: 0.95;
}
.product__tagline {
  margin-top: 22px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: var(--fg);
  max-width: 26ch;
}
.product__hr {
  border: 0; height: 1px; background: var(--line);
  margin: clamp(50px, 8vw, 80px) 0;
}
.product__blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(30px, 5vw, 56px);
}
.pblock h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.pblock p { color: var(--muted); font-size: 1.02rem; }
.pblock--wide { grid-column: 1 / -1; }
.product__status {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--fg);
}
.product__status .pulse {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 70%, transparent);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  70% { box-shadow: 0 0 0 12px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.product__cta {
  margin-top: clamp(50px, 8vw, 80px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(32px, 5vw, 56px);
  background: radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%), var(--panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.product__cta h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
}
.product__cta p { color: var(--muted); margin-top: 6px; }
@media (max-width: 700px) { .product__blocks { grid-template-columns: 1fr; } }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .thesis__grid, .products__grid { grid-template-columns: 1fr 1fr; }
  .team__grid { grid-template-columns: 1fr; }
  .apply__inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav__links {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 20px var(--pad) 30px;
    background: rgba(7,8,11,0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
  }
  .nav.is-open .nav__links { opacity: 1; transform: none; pointer-events: auto; }
  .nav__links a { font-size: 1.1rem; padding: 10px 0; }
  .nav__cta { margin-top: 8px; }
  .nav__toggle { display: flex; }
  .thesis__grid, .products__grid { grid-template-columns: 1fr; }
  .member { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}