/* =========================================================
   Small Group Concepts
   Palette pulled from the brand logo: pine green + orange,
   with leaf/teal/amber for the four curriculum stages.
   Type: Hanken Grotesk (UI) + Newsreader italic (accents).
   ========================================================= */

:root {
  /* Brand */
  --pine:      #3f6250;   /* wordmark green (primary) */
  --pine-700:  #33513f;
  --pine-900:  #21382c;   /* dark sections */
  --pine-950:  #182a20;
  --ink:       #1f2a24;   /* body text */
  --ink-soft:  #566158;   /* muted text */
  --orange:    #ee7420;   /* accent */
  --orange-600:#df6412;
  --leaf:      #6aa85f;
  --teal:      #2ba3c6;
  --amber:     #eda43a;

  /* Neutrals */
  --cream:     #f5f0e6;   /* page background */
  --cream-2:   #efe8da;   /* inset */
  --paper:     #fffdf9;   /* cards */
  --line:      rgba(31, 42, 36, 0.12);
  --line-2:    rgba(31, 42, 36, 0.2);
  --line-light:rgba(245, 240, 230, 0.16);

  /* Type */
  --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;

  /* Layout */
  --wrap: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3.75rem);
  --r: 18px;
  --r-sm: 12px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(24,35,28,.05), 0 6px 18px rgba(24,35,28,.06);
  --shadow-md: 0 6px 16px rgba(24,35,28,.08), 0 24px 50px rgba(24,35,28,.12);
  --shadow-lg: 0 20px 40px rgba(24,35,28,.14), 0 40px 90px rgba(24,35,28,.16);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--pine); color: #fff; padding: .7rem 1.1rem; }
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .74rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--pine); margin-bottom: 1.1rem;
}
.eyebrow--light { color: var(--amber); }
.dots {
  width: 34px; height: 8px; border-radius: 20px;
  background:
    linear-gradient(90deg, var(--leaf) 0 25%, var(--orange) 25% 50%, var(--teal) 50% 75%, var(--amber) 75% 100%);
}

.h2 {
  font-family: var(--sans); font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 3rem); line-height: 1.06; letter-spacing: -0.025em;
  color: var(--ink); max-width: 18ch;
}
.h2--light { color: var(--cream); }
.h2 em, .hero__title em { font-family: var(--serif); font-weight: 400; font-style: italic; letter-spacing: 0; color: var(--orange); }

.lead {
  margin-top: 1.3rem; font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: var(--ink-soft); max-width: 48ch; line-height: 1.62;
}
.lead--light { color: rgba(245,240,230,.82); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 700; font-size: .95rem; letter-spacing: -0.005em;
  padding: .8rem 1.5rem; border-radius: 100px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .25s, color .25s;
}
.btn--sm { padding: .62rem 1.2rem; font-size: .88rem; }
.btn--lg { padding: .95rem 1.9rem; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--accent { background: var(--orange); color: #fff; box-shadow: 0 6px 18px rgba(238,116,32,.28); }
.btn--accent:hover { background: var(--orange-600); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(238,116,32,.34); }
.btn--quiet { background: transparent; color: var(--pine); box-shadow: inset 0 0 0 1.6px var(--line-2); }
.btn--quiet:hover { box-shadow: inset 0 0 0 1.6px var(--pine); transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 100; transition: background .4s var(--ease), box-shadow .4s var(--ease); }
.nav__inner {
  max-width: var(--wrap); margin: 0 auto; padding: 1.15rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between; transition: padding .35s var(--ease);
}
.nav.is-scrolled { background: rgba(245,240,230,.85); backdrop-filter: saturate(150%) blur(16px); -webkit-backdrop-filter: saturate(150%) blur(16px); box-shadow: 0 1px 0 var(--line); }
.nav.is-scrolled .nav__inner { padding-top: .75rem; padding-bottom: .75rem; }

.brand { display: inline-flex; align-items: center; gap: .7rem; }
.brand__emblem { width: 40px; height: 40px; object-fit: contain; }
.brand__word { font-weight: 800; font-size: 1.14rem; letter-spacing: -0.02em; color: var(--pine); }
.brand__word em { font-style: normal; color: var(--orange); }

.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links > a:not(.btn) { font-size: .95rem; font-weight: 600; color: var(--ink-soft); position: relative; transition: color .25s; }
.nav__links > a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -5px; height: 2px; width: 0; background: var(--orange); transition: width .3s var(--ease); }
.nav__links > a:not(.btn):hover { color: var(--ink); }
.nav__links > a:not(.btn):hover::after { width: 100%; }

.nav__toggle { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 10px; }
.nav__toggle span { width: 22px; height: 2px; background: var(--pine); border-radius: 2px; transition: transform .3s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.mobile-menu[hidden] { display: none; }
.mobile-menu { display: flex; flex-direction: column; gap: .2rem; padding: .5rem var(--gutter) 1.4rem; background: rgba(245,240,230,.97); backdrop-filter: blur(14px); border-top: 1px solid var(--line); }
.mobile-menu a:not(.btn) { padding: .85rem .25rem; font-weight: 600; border-bottom: 1px solid var(--line); }
.mobile-menu .btn { margin-top: 1rem; }

/* ---------- Section rhythm ---------- */
.model, .concepts { padding: clamp(4.5rem, 11vh, 8rem) var(--gutter); max-width: var(--wrap); margin: 0 auto; }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--wrap); margin: 0 auto;
  padding: clamp(8rem, 17vh, 11rem) var(--gutter) clamp(3.5rem, 7vh, 5.5rem);
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero__title {
  font-weight: 800; font-size: clamp(2.9rem, 6.6vw, 5.2rem); line-height: 0.98; letter-spacing: -0.04em; color: var(--ink);
}
.hero__lead { margin-top: 1.7rem; font-size: clamp(1.08rem, 1.55vw, 1.28rem); color: var(--ink-soft); max-width: 46ch; line-height: 1.6; }
.hero__actions { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: .9rem; }

.hero__media { position: relative; }
.hero__photo { position: relative; border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4 / 4.4; }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.hero__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(200deg, transparent 45%, rgba(33,56,44,.35)); }

/* ---------- The Model ---------- */
.model__grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.model__photo { order: -1; border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 5/4; }
.model__photo img { width: 100%; height: 100%; object-fit: cover; }

.model__numbers { margin-top: clamp(3rem, 6vh, 4.5rem); display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 2rem); }
.numcard { padding: 2rem 1.9rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow-sm); transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.numcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.numcard__n { display: block; font-size: 3.2rem; font-weight: 800; line-height: 1; letter-spacing: -0.04em; color: var(--pine); }
.numcard:nth-child(2) .numcard__n { color: var(--orange); }
.numcard:nth-child(3) .numcard__n { color: var(--teal); }
.numcard h3 { margin: .7rem 0 .5rem; font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }
.numcard p { color: var(--ink-soft); font-size: .96rem; }

/* ---------- The Blueprint (dark) ---------- */
.blueprint { background: var(--pine-900); color: var(--cream); padding: clamp(4.5rem, 11vh, 8rem) var(--gutter); }
.blueprint__inner { max-width: var(--wrap); margin: 0 auto; }
.blueprint__head { margin-bottom: clamp(2.5rem, 5vh, 3.5rem); }
.blueprint__body { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.steps { list-style: none; padding: 0; }
.step { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.2rem, 3vw, 2.2rem); padding: 1.8rem 0; border-top: 1px solid var(--line-light); align-items: start; transition: padding-left .35s var(--ease); }
.step:last-child { border-bottom: 1px solid var(--line-light); }
.step:hover { padding-left: .6rem; }
.step__n { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(2.4rem, 5vw, 3.4rem); line-height: .85; color: var(--amber); }
.step h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: .5rem; }
.step p { color: rgba(245,240,230,.76); max-width: 46ch; }
.blueprint__photo { border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/5; }
.blueprint__photo img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Scripture band ---------- */
.verse { background: var(--cream-2); padding: clamp(3.5rem, 9vh, 6rem) var(--gutter); }
.verse__inner { max-width: 860px; margin: 0 auto; text-align: center; }
.verse blockquote p { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: clamp(1.7rem, 4vw, 2.9rem); line-height: 1.2; letter-spacing: -0.01em; color: var(--pine); }
.verse cite { display: block; margin-top: 1.2rem; font-style: normal; font-weight: 700; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--orange); }

/* ---------- The Concepts ---------- */
.concepts__head { max-width: 60ch; margin-bottom: 2.2rem; }
.concepts__filters { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 2.4rem; }
.chip { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem 1.15rem; border-radius: 100px; font-size: .9rem; font-weight: 600; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--line); transition: color .25s, background .25s, border-color .25s, transform .2s; }
.chip:hover { color: var(--ink); border-color: var(--line-2); transform: translateY(-1px); }
.chip.is-active { background: var(--pine); color: #fff; border-color: var(--pine); }
.chip.is-active .dot { box-shadow: 0 0 0 2px rgba(255,255,255,.5); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--pine); }
.dot[data-cat="foundations"] { background: var(--leaf); }
.dot[data-cat="multiplication"] { background: var(--orange); }
.dot[data-cat="mobilization"] { background: var(--teal); }
.dot[data-cat="harvest"] { background: var(--amber); }

.concept-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.concept {
  position: relative; padding: 1.5rem 1.4rem 1.6rem; border-radius: var(--r-sm);
  background: var(--paper); border: 1px solid var(--line); display: flex; flex-direction: column;
  min-height: 205px; overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s;
}
.concept::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--leaf); transform: scaleY(0); transform-origin: top; transition: transform .4s var(--ease); }
.concept[data-category="multiplication"]::before { background: var(--orange); }
.concept[data-category="mobilization"]::before { background: var(--teal); }
.concept[data-category="harvest"]::before { background: var(--amber); }
.concept:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.concept:hover::before { transform: scaleY(1); }
.concept__top { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; margin-bottom: .9rem; }
.concept__n { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.04em; color: var(--pine); font-feature-settings: "tnum"; }
.concept__cat { font-size: .64rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.concept[data-category="foundations"] .concept__cat { color: var(--leaf); }
.concept[data-category="multiplication"] .concept__cat { color: var(--orange); }
.concept[data-category="mobilization"] .concept__cat { color: var(--teal); }
.concept[data-category="harvest"] .concept__cat { color: #c88a26; }
.concept h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: .45rem; }
.concept p { font-size: .9rem; color: var(--ink-soft); line-height: 1.5; margin-top: auto; }
.concept.is-hidden { display: none; }

/* ---------- Request / CTA ---------- */
.request { background: linear-gradient(180deg, var(--pine-900), var(--pine-950)); color: var(--cream); padding: clamp(4.5rem, 11vh, 8rem) var(--gutter); }
.request__grid { max-width: var(--wrap); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.request__photo { border-radius: var(--r); overflow: hidden; margin-bottom: 2rem; box-shadow: var(--shadow-lg); aspect-ratio: 16/9; }
.request__photo img { width: 100%; height: 100%; object-fit: cover; }

.form { position: relative; background: var(--paper); color: var(--ink); border-radius: var(--r); padding: clamp(1.7rem, 3vw, 2.5rem); display: grid; grid-template-columns: 1fr 1fr; gap: 1.05rem; box-shadow: var(--shadow-lg); }
.field { display: flex; flex-direction: column; gap: .4rem; grid-column: 1 / -1; }
.field--half { grid-column: span 1; }
.field label { font-size: .82rem; font-weight: 700; color: var(--ink); }
.field .opt { color: var(--ink-soft); font-weight: 500; }
.field input { font: inherit; font-size: .96rem; padding: .8rem .95rem; border-radius: 10px; border: 1.5px solid var(--line-2); background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.field input::placeholder { color: #a7a294; }
.field input:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(238,116,32,.16); }
.field input.is-invalid { border-color: #c0402e; box-shadow: 0 0 0 3px rgba(192,64,46,.14); }
.field__error { font-size: .78rem; color: #c0402e; }
.form .btn { grid-column: 1 / -1; margin-top: .3rem; }

.form__success[hidden] { display: none; }
.form__success { position: absolute; inset: 0; z-index: 3; background: var(--paper); border-radius: var(--r); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 2rem; animation: pop .5s var(--ease); }
.form__check { width: 58px; height: 58px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--pine); color: #fff; margin-bottom: 1.1rem; }
.form__success h3 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: .4rem; }
.form__success p { color: var(--ink-soft); max-width: 32ch; }
@keyframes pop { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }

/* ---------- Footer ---------- */
.footer { background: var(--cream); color: var(--ink); padding: clamp(3.5rem, 8vh, 5rem) var(--gutter) 2rem; border-top: 1px solid var(--line); }
.footer__inner { max-width: var(--wrap); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 2rem 3rem; justify-content: space-between; align-items: center; }
.footer__brand { display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: .9rem; align-items: center; }
.footer__emblem { grid-row: 1 / 3; width: 60px; height: 60px; object-fit: contain; }
.footer__word { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; color: var(--pine); align-self: end; }
.footer__word em { font-style: normal; color: var(--orange); }
.footer__tag { font-family: var(--serif); font-style: italic; font-size: 1rem; color: var(--orange); align-self: start; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer__links a { color: var(--ink-soft); font-size: .93rem; font-weight: 600; transition: color .2s; }
.footer__links a:hover { color: var(--orange); }
.footer__base { max-width: var(--wrap); margin: 2.5rem auto 0; }
.footer__rule { display: block; height: 3px; width: 100%; border-radius: 3px; margin-bottom: 1.4rem; background: linear-gradient(90deg, var(--leaf) 0 25%, var(--orange) 25% 50%, var(--teal) 50% 75%, var(--amber) 75% 100%); opacity: .9; }
.footer__base p { font-size: .82rem; color: var(--ink-soft); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { scroll-behavior: auto !important; }
  .btn, .numcard, .concept, .step { transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .concept-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero__media { max-width: 520px; }
  .model__grid, .blueprint__body, .request__grid { grid-template-columns: 1fr; }
  .model__photo { order: 0; }
  .blueprint__photo { max-width: 480px; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
}
@media (max-width: 620px) {
  .model__numbers { grid-template-columns: 1fr; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept { min-height: 0; }
  .form { grid-template-columns: 1fr; }
  .field--half { grid-column: 1 / -1; }
  .step { grid-template-columns: auto 1fr; }
  .hero__actions .btn { flex: 1 1 auto; }
}