/* Opal Nest: woven twig nest, bird lifting off, warm craft */
:root {
  --brown: #843e00;
  --brown-deep: #4d2400;
  --bark: #2e1a0b;
  --cream: #f2ebd0;
  --cream-2: #faf6e6;
  --sand: #be9a70;
  --sand-soft: #e3d2b2;
  --ink: #2b1c10;
  --muted: #5e4a38;
  --line: rgba(132, 62, 0, .2);
  --on-dark: rgba(250, 244, 230, .95);
  --on-dark-soft: rgba(242, 232, 210, .82);
  --shadow: 0 22px 40px -24px rgba(77, 36, 0, .55);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Questrial", system-ui, sans-serif; font-size: 17px; line-height: 1.7; color: var(--ink); background: var(--cream); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: "Abhaya Libre", Georgia, serif; font-weight: 800; line-height: 1.08; margin: 0 0 .45em; color: var(--bark); }
p { margin: 0 0 1em; }
.wrap { width: min(1120px, 100% - 48px); margin-inline: auto; }
.label { font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--brown); margin-bottom: 14px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(242, 235, 208, .9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 1px 0 var(--line), 0 12px 26px -20px rgba(77, 36, 0, .5); }
.head-row { display: flex; justify-content: space-between; align-items: center; height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-family: "Abhaya Libre", serif; font-weight: 800; font-size: 24px; color: var(--bark); }
.brand img { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--sand); }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color .2s; }
.primary-nav a:hover { color: var(--brown); }
.primary-nav .nav-cta { background: var(--brown); color: var(--cream-2); padding: 10px 20px; border-radius: 30px 30px 30px 8px; }
.primary-nav .nav-cta:hover { color: #fff; }
.nav-toggle { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--sand); background: var(--cream-2); cursor: pointer; padding: 0; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--bark); border-radius: 2px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; text-align: center; padding: 15px 28px; border-radius: 40px 40px 40px 10px; text-decoration: none; font-size: 16px; transition: transform .25s, box-shadow .25s, background .25s, color .25s; overflow-wrap: anywhere; }
.btn-brown { background: var(--brown); color: var(--cream-2); }
.btn-sand { background: var(--sand-soft); color: var(--bark); }

/* Hero: centered */
.hero { padding: 56px 0 80px; text-align: center; background: radial-gradient(ellipse at 50% 70%, var(--cream-2), var(--cream) 65%); overflow: hidden; }
.tag { display: inline-block; font-size: 14px; color: var(--brown); border: 1px solid var(--line); border-radius: 30px; padding: 6px 16px; margin-bottom: 22px; background: var(--cream-2); }
.hero h1 { font-size: clamp(44px, 7.4vw, 96px); max-width: 900px; margin-inline: auto; margin-bottom: 0; }
.hero h1 span { display: block; color: var(--brown); font-weight: 700; }
.nest-scene { max-width: 640px; margin: 10px auto 8px; }
.nest-scene svg { width: 100%; height: auto; overflow: visible; }
.twig { fill: none; stroke: var(--brown); stroke-linecap: round; }
.t1 { stroke-width: 5; stroke-dasharray: 60 10 30 8; animation: weave 14s linear infinite; }
.t2 { stroke-width: 4; stroke: var(--sand); stroke-dasharray: 40 12 70 6; animation: weave 18s linear infinite reverse; }
.t3 { stroke-width: 5; stroke: #a35a1a; stroke-dasharray: 50 8; animation: weave 16s linear infinite; }
.t4 { stroke-width: 6; fill: #6b3400; stroke: var(--brown-deep); }
.weave { fill: none; stroke: var(--sand); stroke-width: 3; stroke-linecap: round; opacity: .9; }
.stick { stroke: var(--brown-deep); stroke-width: 4; stroke-linecap: round; }
.egg { fill: var(--cream-2); stroke: var(--sand); stroke-width: 2; }
.e2 { fill: #efe2c4; }
.trail { fill: none; stroke: var(--sand); stroke-width: 2; stroke-dasharray: 3 9; stroke-linecap: round; opacity: 0; animation: trail 7s ease-in-out infinite; }
.bird { animation: lift 7s ease-in-out infinite; }
.b-body { fill: var(--brown); }
.b-beak { fill: var(--sand); }
.b-eye { fill: var(--cream-2); }
.wing { fill: #a35a1a; transform-box: fill-box; transform-origin: 50% 100%; animation: flap .32s ease-in-out infinite alternate; }
@keyframes lift {
  0%, 28% { transform: translate(258px, 170px) rotate(0); opacity: 1; }
  34% { transform: translate(262px, 158px) rotate(-6deg); }
  70% { transform: translate(380px, 62px) rotate(-18deg); opacity: 1; }
  82% { transform: translate(430px, 30px) rotate(-20deg); opacity: 0; }
  83%, 90% { transform: translate(258px, 140px); opacity: 0; }
  100% { transform: translate(258px, 170px); opacity: 1; }
}
@keyframes flap { from { transform: rotate(0); } to { transform: rotate(-40deg) scaleY(.7); } }
@keyframes trail { 0%, 30% { opacity: 0; } 50%, 72% { opacity: .9; } 85%, 100% { opacity: 0; } }
@keyframes weave { to { stroke-dashoffset: -400; } }
.lede { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 auto 30px; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* Foundation: stacked layers */
section { padding: 100px 0; }
.foundation { background: var(--cream-2); border-top: 1px solid var(--line); }
.found-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; }
.found-intro h2 { font-size: clamp(34px, 4.6vw, 56px); }
.found-intro p { color: var(--muted); font-size: 18px; }
.layers { display: grid; gap: 10px; }
.layer { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start; padding: 22px 26px; border-radius: 40px 40px 40px 12px; border: 1px solid var(--line); background: #fff; transition: transform .3s, box-shadow .3s; }
.l-top { margin-inline: 12%; }
.l-mid { margin-inline: 7%; }
.l-base { margin-inline: 3%; }
.bedrock { background: var(--brown); border-color: var(--brown); }
.layer.bedrock h3 { color: var(--cream-2); }
.layer.bedrock p { color: var(--on-dark-soft); }
.bedrock .l-n { background: var(--cream); color: var(--brown); }
.l-n { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--sand-soft); color: var(--brown-deep); font-family: "Abhaya Libre", serif; font-weight: 800; font-size: 18px; }
.layer h3 { font-size: 26px; margin-bottom: .2em; }
.layer p { margin: 0; color: var(--muted); font-size: 16px; }

/* Chapters: egg cards */
.ch-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.ch-head h2 { font-size: clamp(32px, 4.4vw, 52px); }
.eggs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.egg-card { background: var(--cream-2); border: 1px solid var(--line); border-radius: 50% 50% 46% 46% / 58% 58% 42% 42%; padding: 56px 26px 46px; text-align: center; transition: transform .35s, box-shadow .35s, background .35s; }
.egg-card svg { width: 44px; height: 44px; fill: none; stroke: var(--brown); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 10px; }
.egg-card h3 { font-size: 28px; }
.egg-card p { margin: 0; color: var(--muted); font-size: 16px; }

/* Quote band (dark) */
.quote-band { background: var(--brown-deep); background-image: repeating-linear-gradient(115deg, rgba(190, 154, 112, .07) 0 2px, transparent 2px 22px); color: var(--on-dark); text-align: center; padding: 100px 0; }
.quote-band blockquote { margin: 0 auto; max-width: 820px; }
.quote-band p { font-family: "Abhaya Libre", serif; font-weight: 700; font-size: clamp(32px, 4.8vw, 58px); line-height: 1.15; color: var(--on-dark); margin-bottom: 18px; }
.quote-band cite { font-style: normal; font-size: 14px; letter-spacing: .18em; text-transform: uppercase; color: var(--sand-soft); }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
.faq-grid h2 { font-size: clamp(32px, 4.2vw, 50px); }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: var(--cream-2); border: 1px solid var(--line); border-radius: 26px 26px 26px 8px; transition: transform .3s, box-shadow .3s, border-color .3s; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; background: none; border: 0; cursor: pointer; padding: 20px 24px; text-align: left; font: 700 21px/1.3 "Abhaya Libre", serif; color: var(--bark); }
.tw { position: relative; flex: 0 0 26px; height: 26px; }
.tw::before, .tw::after { content: ""; position: absolute; left: 3px; right: 3px; top: 12px; height: 2.5px; border-radius: 2px; background: var(--brown); transition: transform .3s; }
.tw::after { transform: rotate(90deg); }
.faq-item.open .tw::after { transform: rotate(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.faq-a > p { overflow: hidden; margin: 0; padding: 0 24px; color: var(--muted); }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-a > p { padding-bottom: 22px; }

/* Contact */
.contact { padding-top: 0; }
.contact-card { position: relative; text-align: center; background: var(--sand-soft); border-radius: 60px 60px 60px 16px; padding: 70px 40px 64px; overflow: hidden; }
.c-ring { width: 180px; height: 54px; fill: none; stroke: var(--brown); stroke-width: 3; stroke-dasharray: 26 8; margin: 0 auto 18px; display: block; }
.contact-card h2 { font-size: clamp(32px, 4.4vw, 52px); }
.contact-card p { color: var(--muted); max-width: 520px; margin: 0 auto 28px; }
.contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.contact-card .btn-sand { background: var(--cream-2); }

/* Footer */
.site-footer { margin-top: 90px; padding: 32px 0; border-top: 1px solid var(--line); }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 15px; color: var(--muted); }
.foot-row p { margin: 0; }
.foot-row .brand { font-size: 20px; }
.foot-row .brand img { width: 34px; height: 34px; }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* Hover life */
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
  .btn-brown:hover { background: var(--brown-deep); }
  .btn-sand:hover { background: var(--sand); color: var(--bark); }
  .layer:hover { transform: translateX(10px); box-shadow: var(--shadow); }
  .egg-card:hover { transform: translateY(-10px) rotate(-2deg); box-shadow: var(--shadow); background: #fff; }
  .faq-item:hover { transform: translateY(-2px); border-color: var(--brown); box-shadow: var(--shadow); }
}

/* Responsive */
@media (max-width: 960px) {
  .eggs { grid-template-columns: 1fr 1fr; }
  .found-grid, .faq-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .primary-nav { position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--cream-2); border-bottom: 1px solid var(--line); padding: 6px 24px 22px; display: none; }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .primary-nav .nav-cta { margin-top: 14px; text-align: center; border: 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 40px); }
  section { padding: 70px 0; }
  .hero { padding: 36px 0 64px; }
  .lede { font-size: 17px; }
  .hero-actions .btn, .contact-links .btn { width: 100%; }
  .eggs { grid-template-columns: 1fr; }
  .egg-card { padding: 44px 26px 38px; }
  .l-top, .l-mid, .l-base { margin-inline: 0; }
  .layer { grid-template-columns: 1fr; gap: 10px; padding: 22px; }
  .contact-card { padding: 52px 22px 46px; border-radius: 40px 40px 40px 12px; }
  .site-footer { margin-top: 70px; }
  .foot-row { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .bird { animation: none; transform: translate(258px, 170px); }
  .js .reveal { opacity: 1; transform: none; }
}