/* ==========================================================================
   Robert Jeffery Potter — Farm Management
   Shared stylesheet
   Palette: red-soil / dry-grass / eucalyptus / big-sky  (Nature Distilled)
   Type:    Fraunces (display)  +  Jost (body)
   ========================================================================== */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..700;1,9..144,400..600&family=Jost:wght@300;400;500;600&display=swap');

/* ---------- Design tokens ---------- */
:root {
  /* Land palette */
  --ink:        #211c17;   /* deep charcoal-brown — text & dark sections   */
  --ink-soft:   #3a322a;
  --paper:      #f4eee2;   /* cream paper — primary background              */
  --paper-2:    #ece3d2;   /* warmer cream — alternating sections          */
  --paper-3:    #e2d6bf;
  --olive:      #5b6b45;   /* eucalyptus — primary brand                   */
  --olive-deep: #3f4a30;
  --olive-soft: #7d8a64;
  --clay:       #b5651d;   /* red soil / terracotta — warm accent          */
  --clay-deep:  #8f4f18;
  --ochre:      #c99a3f;   /* wheat gold — CTA / highlight                 */
  --ochre-deep: #a87d2b;
  --sand:       #d4c4a8;
  --line:       rgba(33,28,23,.14);
  --line-soft:  rgba(33,28,23,.08);

  /* on-dark */
  --paper-on-ink: #f1e9da;
  --muted-on-ink: rgba(241,233,218,.62);

  /* type */
  --display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --body:    'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* fluid scale */
  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.92rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.12rem + 0.4vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.35rem + 0.75vw, 2.1rem);
  --step-3:  clamp(1.9rem, 1.6rem + 1.5vw, 3rem);
  --step-4:  clamp(2.4rem, 1.9rem + 2.6vw, 4.4rem);
  --step-5:  clamp(3rem, 2.1rem + 4.6vw, 6.8rem);

  /* spacing & shell */
  --gutter: clamp(1.2rem, 0.8rem + 3vw, 4rem);
  --shell:  min(92vw, 1280px);
  --shell-narrow: min(92vw, 880px);
  --radius: 4px;
  --radius-lg: 14px;

  /* motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
ul { list-style: none; padding: 0; }

::selection { background: var(--ochre); color: var(--ink); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 380;
  line-height: 1.04;
  letter-spacing: -0.015em;
  font-optical-sizing: auto;
}
.display {
  font-size: var(--step-5);
  font-weight: 360;
  line-height: 0.98;
  letter-spacing: -0.03em;
}
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
em, .italic { font-style: italic; }

.eyebrow {
  font-family: var(--body);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 2.2em; height: 1px;
  background: var(--clay);
  opacity: .6;
}
.eyebrow.is-light { color: var(--ochre); }
.eyebrow.is-light::before { background: var(--ochre); }
.eyebrow.no-rule::before { display: none; }

.lede {
  font-size: var(--step-1);
  line-height: 1.5;
  font-weight: 300;
  color: var(--ink-soft);
}
.measure { max-width: 62ch; }
.measure-sm { max-width: 46ch; }

/* ---------- Layout ---------- */
.shell { width: var(--shell); margin-inline: auto; }
.shell-narrow { width: var(--shell-narrow); margin-inline: auto; }
.section { padding-block: clamp(4.5rem, 3rem + 7vw, 9rem); }
.section-sm { padding-block: clamp(3rem, 2rem + 4vw, 5rem); }
.section.on-ink { background: var(--ink); color: var(--paper-on-ink); }
.section.on-olive { background: var(--olive-deep); color: var(--paper-on-ink); }
.section.alt { background: var(--paper-2); }

.grid { display: grid; gap: var(--gutter); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.items-center { align-items: center; }
.items-end { align-items: end; }

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 0.95em; --pad-x: 1.9em;
  position: relative;
  display: inline-flex; align-items: center; gap: 0.7em;
  padding: var(--pad-y) var(--pad-x);
  font-family: var(--body);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  isolation: isolate;
  transition: color .5s var(--ease), transform .4s var(--ease);
  will-change: transform;
}
.btn > span { position: relative; z-index: 2; }
.btn::after {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  background: var(--ochre);
  transform: translateY(101%);
  border-radius: 100px;
  transition: transform .55s var(--ease);
}
.btn:hover { color: var(--ink); }
.btn:hover::after { transform: translateY(0); }
.btn .btn-arrow { transition: transform .45s var(--ease); }
.btn:hover .btn-arrow { transform: translate(4px, -4px); }

.btn.is-light { background: var(--ochre); color: var(--ink); }
.btn.is-light::after { background: var(--paper); }
.btn.is-ghost {
  background: transparent;
  color: currentColor;
  border: 1px solid var(--line);
}
.btn.is-ghost::after { background: var(--ink); }
.btn.is-ghost:hover { color: var(--paper); border-color: var(--ink); }
.on-ink .btn.is-ghost { border-color: rgba(241,233,218,.3); }
.on-ink .btn.is-ghost::after { background: var(--ochre); }
.on-ink .btn.is-ghost:hover { color: var(--ink); }

.magnetic { display: inline-block; will-change: transform; }

/* text link with underline draw */
.link-underline {
  position: relative;
  display: inline-flex; align-items: center; gap: .5em;
  font-weight: 500;
  letter-spacing: .02em;
  padding-bottom: 2px;
}
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .5s var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: clamp(1rem, 0.6rem + 1.2vw, 1.6rem) 0;
  transition: transform .5s var(--ease), background .5s var(--ease), padding .5s var(--ease);
}
.site-header.is-hidden { transform: translateY(-110%); }
.site-header.is-scrolled {
  background: rgba(244,238,226,.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: flex; align-items: center; gap: .7rem; line-height: 1; }
.brand-mark { width: 38px; height: 38px; flex: none; color: var(--olive); }
.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: var(--display);
  font-size: 1.16rem; font-weight: 460; letter-spacing: -0.01em;
}
.brand-sub {
  font-size: 0.62rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--clay); font-weight: 500;
}

.nav { display: flex; align-items: center; gap: clamp(1.2rem, 0.5rem + 1.8vw, 2.6rem); }
.nav a {
  position: relative;
  font-size: 0.82rem; letter-spacing: 0.06em; font-weight: 500;
  padding: .3em 0;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: var(--clay);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav a[aria-current="page"] { color: var(--clay); }
.nav .btn { padding: .7em 1.4em; }

.nav-toggle { display: none; }

/* mobile nav */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99;
  background: var(--ink); color: var(--paper-on-ink);
  padding: 6rem var(--gutter) 3rem;
  display: flex; flex-direction: column; justify-content: center;
  clip-path: circle(0% at 100% 0);
  transition: clip-path .7s var(--ease);
  pointer-events: none;
}
.mobile-nav.is-open { clip-path: circle(150% at 100% 0); pointer-events: auto; }
.mobile-nav a {
  font-family: var(--display); font-size: clamp(2rem, 8vw, 3.4rem);
  font-weight: 340; padding: .15em 0;
  border-bottom: 1px solid rgba(241,233,218,.12);
  display: flex; align-items: baseline; gap: 1rem;
  opacity: 0; transform: translateY(20px);
}
.mobile-nav.is-open a { opacity: 1; transform: none; transition: opacity .5s var(--ease), transform .5s var(--ease); }
.mobile-nav.is-open a:nth-child(1) { transition-delay: .12s; }
.mobile-nav.is-open a:nth-child(2) { transition-delay: .18s; }
.mobile-nav.is-open a:nth-child(3) { transition-delay: .24s; }
.mobile-nav.is-open a:nth-child(4) { transition-delay: .30s; }
.mobile-nav.is-open a:nth-child(5) { transition-delay: .36s; }
.mobile-nav.is-open a:nth-child(6) { transition-delay: .42s; }
.mobile-nav a span { font-family: var(--body); font-size: .8rem; color: var(--ochre); letter-spacing: .1em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--paper-on-ink); padding-top: clamp(4rem, 3rem + 5vw, 7rem); }
.footer-cta { padding-bottom: clamp(4rem, 3rem + 5vw, 7rem); border-bottom: 1px solid rgba(241,233,218,.12); }
.footer-cta h2 { font-size: var(--step-4); max-width: 16ch; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--gutter);
  padding-block: clamp(3rem, 2rem + 3vw, 4.5rem);
}
.footer-grid h4 { font-family: var(--body); font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted-on-ink); font-weight: 500; margin-bottom: 1.2rem; }
.footer-grid li { margin-bottom: .55rem; }
.footer-grid a:hover { color: var(--ochre); }
.footer-brand .brand-name { font-size: 1.5rem; color: var(--paper-on-ink); }
.footer-note { color: var(--muted-on-ink); font-size: .82rem; line-height: 1.6; max-width: 42ch; margin-top: 1.4rem; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding-block: 1.8rem; border-top: 1px solid rgba(241,233,218,.12);
  font-size: .76rem; color: var(--muted-on-ink); letter-spacing: .03em;
}

/* ---------- Reveal / motion utilities ---------- */
.reveal { opacity: 0; }
[data-reveal] { will-change: transform, opacity; }
.line-mask { display: block; overflow: hidden; }
.line-mask > * { display: block; will-change: transform; }

/* draw-on SVG paths */
.draw path, .draw line, .draw polyline, .draw circle, .draw rect, .draw ellipse {
  stroke-dasharray: var(--len, 1);
  stroke-dashoffset: var(--len, 1);
}

/* parallax media frame */
.media-frame { position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; will-change: transform; }
.media-frame.tall { aspect-ratio: 3/4; }
.media-frame.square { aspect-ratio: 1; }
.media-frame.wide { aspect-ratio: 16/10; }
.media-frame.ultrawide { aspect-ratio: 21/9; }

/* grain & vignette overlay */
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 3;
  opacity: .5; mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* ---------- Accessibility ---------- */
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; border-radius: 2px; }
.skip-link {
  position: absolute; left: -9999px; top: 1rem; z-index: 200;
  background: var(--ink); color: var(--paper); padding: .8em 1.2em; border-radius: var(--radius);
}
.skip-link:focus { left: 1rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .nav { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px; width: 30px; padding: 6px 0; z-index: 101;
  }
  .nav-toggle span { height: 1.5px; width: 100%; background: var(--ink); transition: transform .4s var(--ease), opacity .3s; }
  .nav-toggle.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); background: var(--paper); }
  .nav-toggle.is-active span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); background: var(--paper); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
}