/* ==========================================================================
   Lake City Tree Works: styles.css
   Design system: lakeside-alpine premium
   Birch white / deep spruce / copper / lake steel-blue. Fraunces display +
   Public Sans body. Hairline rules, rounded-12px bordered cards, botanical
   line-art accents, native <details> FAQ, scroll-driven reveals with an
   IntersectionObserver fallback.
   ========================================================================== */

:root {
  --bg: #F5F7F4;
  --surface: #FFFFFF;
  --sage: #DCE7DF;
  --ink: #14231C;
  --ink-soft: #3D4A43;
  --hairline: rgba(20, 35, 28, 0.12);

  --primary: #173F35;
  --primary-dark: #0E2921;
  --primary-tint: #E4ECE8;

  --cta: #B04E15;       /* darkened from brand copper #C2571B for ~5.3:1 on white */
  --cta-hover: #963F0F;
  --copper: #C2571B;    /* reference brand copper, decorative use only */

  --accent: #4E8098;
  --accent-dark: #3A6070;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --container: 1200px;
  --radius-card: 12px;
  --radius-btn: 8px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, video { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration-underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }
h1, h2, h3, h4 { color: var(--primary); font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-weight: 600; }
p { margin: 0 0 1.15em; max-width: 68ch; }
ul, ol { margin: 0 0 1.15em; padding-left: 1.3em; }
li { margin-bottom: 0.45em; }
button { font-family: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
a.visually-hidden:focus {
  position: fixed; top: 0.5rem; left: 0.5rem; width: auto; height: auto;
  overflow: visible; clip: auto; white-space: normal;
  background: var(--primary); color: #FFFFFF; padding: 0.75em 1.25em;
  border-radius: var(--radius-btn); z-index: 100; text-decoration: none;
}
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- Type scale ---------- */
h1 { font-size: clamp(2.3rem, 4.4vw, 4.25rem); }
h2 { font-size: clamp(1.7rem, 2.8vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: var(--space-2);
}
.lede { font-size: 1.125rem; color: var(--ink-soft); max-width: 62ch; }

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--space-3); }
.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }
.section--sage { background: var(--sage); }
.section--surface { background: var(--surface); }
.section--primary { background: var(--primary); color: #F5F7F4; }
.section--primary h2, .section--primary h3 { color: #F5F7F4; }
.hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}
.grid {
  display: grid;
  gap: var(--space-3);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: translateY(1px); }
.btn--cta { background: var(--cta); color: #FFFFFF; }
.btn--cta:hover { background: var(--cta-hover); color: #FFFFFF; }
.btn--outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn--outline:hover { background: var(--primary); color: #FFFFFF; }
.btn--outline-light { background: transparent; color: #F5F7F4; border-color: rgba(245, 247, 244, 0.55); }
.btn--outline-light:hover { background: rgba(245, 247, 244, 0.12); border-color: #F5F7F4; }
.btn--block { width: 100%; justify-content: center; }
.btn svg { width: 1.05em; height: 1.05em; flex-shrink: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  background: var(--primary);
  color: #F5F7F4;
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: 0.9rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #F5F7F4;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.brand__mark { width: 30px; height: 30px; color: var(--copper); flex-shrink: 0; }
.brand__sub { display: block; font-family: var(--font-body); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(245, 247, 244, 0.72); }
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  color: rgba(245, 247, 244, 0.88);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: #FFFFFF; text-decoration: underline; text-underline-offset: 4px; }
.nav__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  color: #F5F7F4;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
}
.nav__phone svg { width: 1em; height: 1em; color: var(--copper); }

/* Services dropdown (native <details>, no JS) */
.nav-dropdown { position: relative; }
.nav-dropdown summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.3em;
  color: rgba(245, 247, 244, 0.88);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary::after { content: "\25BE"; font-size: 0.7em; }
.nav-dropdown:hover summary, .nav-dropdown[open] summary { color: #FFFFFF; }
.nav-dropdown__panel {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.75rem;
  background: var(--primary-dark);
  border: 1px solid rgba(245, 247, 244, 0.15);
  border-radius: var(--radius-card);
  padding: 0.5rem;
  min-width: 240px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  box-shadow: 0 16px 34px rgba(9, 21, 17, 0.32);
}
.nav-dropdown__panel a {
  padding: 0.55em 0.75em;
  border-radius: 6px;
  display: block;
  text-decoration: none;
  font-size: 0.88rem;
  color: rgba(245, 247, 244, 0.9);
}
.nav-dropdown__panel a:hover { background: rgba(245, 247, 244, 0.08); color: #FFFFFF; }

/* Mobile nav (native <details>, no JS) */
.nav-mobile { display: none; }
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__phone { display: none; }
  .nav-mobile { display: block; position: relative; }
  .nav-mobile__toggle {
    cursor: pointer;
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    background: none;
    border: 1px solid rgba(245, 247, 244, 0.4);
    color: #F5F7F4;
    border-radius: var(--radius-btn);
    padding: 0.5em 0.9em;
    font-size: 0.85rem;
    font-weight: 600;
  }
  .nav-mobile__toggle::-webkit-details-marker { display: none; }
  .nav-mobile__panel {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.6rem;
    width: 15rem;
    background: var(--primary-dark);
    border: 1px solid rgba(245, 247, 244, 0.15);
    border-radius: var(--radius-card);
    padding: 0.75rem;
    box-shadow: 0 16px 34px rgba(9, 21, 17, 0.32);
    z-index: 30;
  }
  .nav-mobile__panel ul { list-style: none; margin: 0; padding: 0; }
  .nav-mobile__panel a {
    display: block;
    padding: 0.6em 0.35em;
    color: rgba(245, 247, 244, 0.9);
    text-decoration: none;
    font-size: 0.92rem;
    border-bottom: 1px solid rgba(245, 247, 244, 0.1);
  }
  .nav-mobile__panel li:last-child a { border-bottom: none; }
  .nav-mobile__panel .nav-mobile__call { color: var(--copper); font-weight: 600; }
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  padding-block: var(--space-2);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4em; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 0.4em; color: var(--hairline); }
.breadcrumbs a { color: var(--ink-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent-dark); text-decoration: underline; }
.breadcrumbs [aria-current="page"] { color: var(--ink); font-weight: 500; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--primary);
  color: #F5F7F4;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__poster, .hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) hue-rotate(-4deg) brightness(0.86);
}
.hero__video { opacity: 0; transition: opacity 0.6s ease; }
.hero__video.is-playing { opacity: 1; }
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 41, 33, 0.78) 0%, rgba(14, 41, 33, 0.55) 45%, rgba(14, 41, 33, 0.88) 100%);
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--space-6);
  max-width: 44rem;
}
.hero__content h1 { color: #FFFFFF; }
.hero__content .lede { color: rgba(245, 247, 244, 0.9); font-size: 1.15rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.hero--page {
  padding-block: var(--space-5);
}
.hero--page .hero__content { padding-block: var(--space-4); max-width: 52rem; }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--surface);
  border-block: 1px solid var(--hairline);
}
.trust-strip__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: var(--space-3) 0;
}
.trust-strip__item {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary);
}
.trust-strip__item svg { width: 1.3em; height: 1.3em; color: var(--copper); flex-shrink: 0; }
@media (max-width: 860px) {
  .trust-strip__list { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: var(--space-3);
}
.card--service {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}
.card--service__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--sage); }
.card--service__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.9) hue-rotate(-4deg); }
.card--service__media.grade-b img { filter: saturate(0.82) hue-rotate(-8deg) brightness(0.97) contrast(1.03); }
.card--service__body { padding: var(--space-3); display: flex; flex-direction: column; flex: 1; }
.card--service__body h3 { margin-bottom: 0.4em; }
.card--service__body p { font-size: 0.96rem; color: var(--ink-soft); flex: 1; }
.card--service__link { margin-top: var(--space-2); font-weight: 600; font-size: 0.92rem; }
.card--work {
  padding: var(--space-3);
}
.card--work .eyebrow { margin-bottom: 0.3em; }
.card__icon { width: 2.25rem; height: 2.25rem; color: var(--copper); margin-bottom: var(--space-2); }

/* ---------- Area strip ---------- */
.area-pills { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: var(--space-2); }
.area-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.5em 1em;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}
.area-pill svg { width: 1em; height: 1em; color: var(--accent); }
.area-pill:hover { border-color: var(--accent); color: var(--accent-dark); }

/* ---------- FAQ ---------- */
.faq { max-width: 52rem; }
.faq__item {
  border-bottom: 1px solid var(--hairline);
  padding-block: var(--space-2);
}
.faq__item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--primary);
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 0.7em;
  padding-right: 1.5em;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before {
  content: "+";
  color: var(--cta);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.2em;
  line-height: 1;
  flex-shrink: 0;
}
.faq__item[open] summary::before { content: "\2212"; }
.faq__item p { margin-top: 0.7em; color: var(--ink-soft); }

/* ---------- Botanical accents ---------- */
.sprig { width: 2.5rem; height: 2.5rem; color: var(--copper); opacity: 0.85; }
.sprig--divider { display: block; margin: var(--space-4) auto; }
.sprig--corner { position: absolute; top: var(--space-3); right: var(--space-3); width: 2rem; height: 2rem; opacity: 0.5; }

/* ---------- Forms ---------- */
.form { max-width: 40rem; }
.field { margin-bottom: var(--space-2); }
.field label { display: block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; color: var(--primary); margin-bottom: 0.4em; }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75em 0.9em;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-btn);
  background: var(--surface);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 8rem; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
@media (max-width: 640px) { .field--row { grid-template-columns: 1fr; } }
.form__note { font-size: 0.85rem; color: var(--ink-soft); margin-top: var(--space-2); }

/* ---------- Recent work / process steps ---------- */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.step { display: flex; gap: var(--space-2); }
.step__num {
  counter-increment: step;
  flex-shrink: 0;
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--primary);
  background: var(--surface);
}
.step__num::before { content: counter(step); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary-dark);
  color: rgba(245, 247, 244, 0.85);
  padding-block: var(--space-5) calc(var(--space-5) + 70px);
}
.site-footer a { color: rgba(245, 247, 244, 0.85); }
.site-footer a:hover { color: #FFFFFF; }
.site-footer h4 { color: #F5F7F4; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; font-family: var(--font-body); font-weight: 600; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-4); }
.footer__links { list-style: none; margin: 0; padding: 0; }
.footer__links li { margin-bottom: 0.5em; }
.footer__links a { text-decoration: none; font-size: 0.92rem; }
.footer__links a:hover { text-decoration: underline; }
.footer__disclosure { font-size: 0.82rem; line-height: 1.6; color: rgba(245, 247, 244, 0.62); border-top: 1px solid rgba(245, 247, 244, 0.15); padding-top: var(--space-3); max-width: 68ch; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); font-size: 0.82rem; color: rgba(245, 247, 244, 0.55); }
@media (max-width: 860px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Sticky mobile call bar ---------- */
.call-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  display: none;
  background: var(--primary);
  border-top: 1px solid rgba(245, 247, 244, 0.15);
  padding-bottom: env(safe-area-inset-bottom, 0);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}
.call-bar.is-visible { transform: translateY(0); }
@media (max-width: 640px) {
  .call-bar { display: flex; }
}
.call-bar__row { display: flex; height: 56px; }
.call-bar__call, .call-bar__quote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
}
.call-bar__call { flex: 0 0 60%; background: var(--cta); color: #FFFFFF; }
.call-bar__quote { flex: 0 0 40%; background: transparent; color: #F5F7F4; border-left: 1px solid rgba(245, 247, 244, 0.25); }
.call-bar__call svg, .call-bar__quote svg { width: 1.1em; height: 1.1em; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 1; }
@supports (animation-timeline: view()) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    animation: reveal-in linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }
  @keyframes reveal-in {
    to { opacity: 1; transform: translateY(0); }
  }
}
@supports not (animation-timeline: view()) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
  .reveal.js-visible { opacity: 1; transform: translateY(0); }
}
.reveal[style*="--i"] { animation-delay: calc(var(--i, 0) * 80ms); }

@supports (animation-timeline: scroll()) {
  .parallax-lite {
    animation: parallax-shift linear both;
    animation-timeline: scroll();
    animation-range: cover 0% cover 100%;
  }
  @keyframes parallax-shift {
    from { transform: translateY(-2%); }
    to { transform: translateY(4%); }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.js-visible { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  .parallax-lite { animation: none !important; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.max-w-prose { max-width: 68ch; }
.stack { display: flex; flex-direction: column; gap: var(--space-2); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.section-head { max-width: 44rem; margin-bottom: var(--space-4); }
.closing-cta {
  background: var(--primary);
  color: #F5F7F4;
  border-radius: var(--radius-card);
  padding: var(--space-4);
  text-align: center;
}
.closing-cta h2 { color: #FFFFFF; }
.closing-cta p { color: rgba(245, 247, 244, 0.85); margin-inline: auto; }
.closing-cta .cluster { justify-content: center; margin-top: var(--space-3); }

@media (max-width: 640px) {
  .section { padding-block: var(--space-4); }
  .section--tight { padding-block: var(--space-3); }
  body { padding-bottom: 56px; }
}