/* HyperGlyph website UI kit styles */
@import url("colors_and_type.css");

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg1); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; background: rgba(247,247,247,0.88); backdrop-filter: saturate(1.2) blur(6px); -webkit-backdrop-filter: saturate(1.2) blur(6px); border-bottom: 1px solid var(--border); z-index: 40; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg1); }
.nav-logo img { height: 28px; width: auto; }
.nav-logo .wm { font: 700 18px var(--font-heading); letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 32px; }
.nav-item { background: none; border: 0; cursor: pointer; font: 500 15px var(--font-body); color: var(--fg1); padding: 4px 0; }
.nav-item .ltr { display: inline-block; transition: color 20ms ease, font-weight 20ms ease; }
.nav-item:hover .ltr:nth-child(1){ color: var(--hg-butter); font-weight:700;}
.nav-item:hover .ltr:nth-child(2){ color: var(--hg-coral); font-weight:700;}
.nav-item:hover .ltr:nth-child(3){ color: var(--hg-coral); font-weight:600;}
.nav-item:hover .ltr:nth-child(n+4){ color: var(--hg-black); font-weight:700;}
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* Hamburger button — hidden on desktop */
.nav-hamburger { display: none; background: transparent; border: 0; cursor: pointer; padding: 6px; color: var(--fg1); line-height: 0; margin: -6px; }
.nav-hamburger svg { display: block; }
.nav-hamburger .icon-close { display: none; }
.nav-hamburger[aria-expanded="true"] .icon-open { display: none; }
.nav-hamburger[aria-expanded="true"] .icon-close { display: block; }

/* Mobile nav */
@media (max-width: 768px) {
  /* Expand the header row to allow links to wrap below */
  .nav-inner { flex-wrap: wrap; height: auto; min-height: 64px; }
  /* Hamburger: visible, pushed to the right of the logo row */
  .nav-hamburger { display: flex; align-items: center; order: 1; margin-left: auto; }
  /* Links: hidden by default, wrap onto a second row when open */
  .nav-links {
    order: 2;
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    border-top: 1px solid var(--border);
    padding: 4px 24px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-item { padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--border); width: 100%; text-align: left; }
  .nav-item:last-child { border-bottom: 0; }
  .grid-3 { grid-template-columns: 1fr !important; }
  .grid-2 { grid-template-columns: 1fr !important; }
}

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 16px; border-radius: 12px; font: 500 14px var(--font-body); border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background 150ms, color 150ms, transform 100ms; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--hg-black); color: var(--hg-silk); }
.btn-primary:hover { background: #3a3436; }
.btn-secondary { background: var(--hg-silk); color: var(--hg-black); }
.btn-secondary:hover { background: #e8e4da; }
.btn-outline { background: transparent; color: var(--fg1); border-color: var(--border); }
.btn-outline:hover { background: var(--hg-black); color: var(--hg-silk); }
.btn-ghost { background: transparent; color: var(--fg1); }
.btn-ghost:hover { background: var(--bg-silk); }
.btn-link { background: transparent; color: var(--primary); padding: 0; height: auto; }
.btn-link:hover { text-decoration: underline; }
.btn-sm { height: 36px; padding: 0 12px; font-size: 13px; }
.btn-lg { height: 44px; padding: 0 28px; font-size: 15px; }

/* ---------- Inputs ---------- */
.input { display: block; width: 100%; height: 40px; padding: 0 14px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--fg1); font: 400 14px var(--font-body); outline: none; transition: border-color 150ms, box-shadow 150ms; }
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--primary); }
.label { font: 500 13px var(--font-body); }

/* ---------- Cards ---------- */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow-sm); padding: 24px; transition: box-shadow 200ms; }
.card img { border-radius: 16px; }
img { border-radius: 16px; }
.card:hover { box-shadow: var(--shadow-md); }

/* Status pill */
.pill { display: inline-block; padding: 3px 9px; border-radius: 9999px; font: 500 10.5px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.pill-beta { background: var(--hg-teal); color: #fff; }
.pill-build { background: var(--hg-butter); color: var(--hg-black); }
.pill-lab { background: transparent; color: var(--fg2); border: 1px solid var(--border); }

/* Hero artifact */
.hero-art { position: relative; aspect-ratio: 5/4; background: linear-gradient(160deg, #f2efe8 0%, #e8e0cf 55%, #d8c5a3 100%); border-radius: 24px; border: 1px solid var(--border); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.hero-art img { max-width: 52%; height: auto; }

/* Section */
.section { padding: 88px 0; border-bottom: 1px solid var(--border); }
.section-eyebrow { font: 500 11.5px var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--primary); margin: 0 0 14px; }

/* Grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } .hero-grid { grid-template-columns: 1fr !important; } }

/* Hero */
.hero { padding: 96px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: 64px; line-height: 1.03; letter-spacing: -0.025em; margin: 14px 0 20px; }
.hero-sub { font-size: 19px; line-height: 1.5; color: var(--fg2); max-width: 560px; margin: 0 0 28px; text-wrap: pretty; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.hero-sub-link { font: 500 14px var(--font-body); color: var(--fg2); }
.hero-sub-link a { color: var(--primary); }

/* Product cards */
.prod-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 14px 0 6px; }
.prod-title h3 { font: 600 24px var(--font-heading); letter-spacing: -0.01em; margin: 0; }
.prod-one { font: 400 15px var(--font-body); color: var(--fg2); margin: 0 0 18px; min-height: 46px; }
.prod-body { font: 400 14px var(--font-body); color: var(--fg1); line-height: 1.6; margin: 0 0 18px; max-height: 0; overflow: hidden; transition: max-height 300ms ease-out, margin 200ms; }
.card.expanded .prod-body { max-height: 400px; margin: 0 0 18px; }
.expand-btn { background: transparent; border: 0; padding: 0; color: var(--fg2); font: 500 13px var(--font-body); cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }

.slot3 { background: transparent; border: 1px dashed var(--border); }
.slot3 .pill { display: none; }

/* Lab strip */
.lab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 900px) { .lab-grid { grid-template-columns: 1fr; } }
.lab-card { padding: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; }
.lab-card h4 { font: 600 15px var(--font-heading); margin: 0 0 4px; }
.lab-card p { font: 400 13px var(--font-body); color: var(--fg2); margin: 0 0 10px; line-height: 1.5; }
.lab-tag { font: 500 10.5px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg2); }

/* Promises */
.promise h3 { font: 600 18px var(--font-heading); margin: 0 0 10px; }
.promise p { font: 400 14px var(--font-body); color: var(--fg2); line-height: 1.6; margin: 0; }

/* Subscribe */
.sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .sub-grid { grid-template-columns: 1fr; } }
.sub-card h3 { font: 600 22px var(--font-heading); margin: 0 0 8px; }
.sub-card p { font: 400 14px var(--font-body); color: var(--fg2); margin: 0 0 16px; line-height: 1.55; }
.sub-form { display: flex; gap: 8px; }
.sub-form .input { flex: 1; }
.sub-fine { font: 400 12px var(--font-body); color: var(--fg2); margin-top: 10px; }

/* Problem section */
.problem { max-width: 760px; }
.problem h2 { font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 24px; }
.problem p { font-size: 17px; line-height: 1.65; color: var(--fg1); margin: 0 0 20px; }

/* Footer */
.footer { padding: 40px 0; font: 400 13px var(--font-body); color: var(--fg2); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer a { color: var(--fg2); margin-right: 16px; }