/* Sebastian Tree Care — sebastiantreecare.com
   Design: dark green + white, trustworthy, phone-first, mobile-first.
   No webfonts, no JS — system stack only, for Core Web Vitals (LCP = text). */

:root {
  --green-950: #0c2f1c;
  --green-900: #123f26;
  --green-700: #1d5c39;
  --green-100: #e7f2ea;
  --green-50:  #f3f8f4;
  --amber:     #e8a020;
  --amber-dark:#c9860f;
  --ink:       #1d2721;
  --ink-soft:  #46554c;
  --white:     #ffffff;
  --radius:    10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 1.0625rem;
}

img, svg { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }

/* ===== Top call bar ===== */
.callbar {
  background: var(--green-950);
  color: var(--green-100);
  font-size: .9375rem;
  padding: .45rem 0;
}
.callbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.callbar a { color: var(--white); font-weight: 700; text-decoration: none; white-space: nowrap; }
.callbar a:hover { text-decoration: underline; }
.callbar .tagline { opacity: .85; }
@media (max-width: 620px) { .callbar .tagline { display: none; } .callbar .wrap { justify-content: center; } }

/* ===== Header / nav ===== */
header.site {
  background: var(--white);
  border-bottom: 1px solid #e3e9e5;
  position: sticky; top: 0; z-index: 50;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: .7rem; padding-bottom: .7rem; gap: 1rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--green-900); }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand .name { font-weight: 800; font-size: 1.22rem; letter-spacing: -.01em; line-height: 1.15; }
.brand .name small { display: block; font-weight: 600; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
nav.main { display: flex; gap: 1.15rem; align-items: center; flex-wrap: wrap; }
nav.main a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--green-700); }
.btn {
  display: inline-block; background: var(--amber); color: var(--green-950);
  font-weight: 800; text-decoration: none; padding: .65rem 1.15rem;
  border-radius: var(--radius); font-size: .98rem; border: 0; cursor: pointer;
}
.btn:hover { background: var(--amber-dark); }
.btn.big { font-size: 1.12rem; padding: .85rem 1.6rem; }
.btn.ghost { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.7); }
.btn.ghost:hover { background: rgba(255,255,255,.12); }
@media (max-width: 720px) { nav.main { font-size: .9rem; gap: .8rem; } }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(255,255,255,.07), transparent 55%),
    linear-gradient(160deg, var(--green-900) 0%, var(--green-950) 70%);
  color: var(--white);
  padding: 4rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 1; max-width: 820px; }
.hero .kicker { color: var(--amber); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: .85rem; margin-bottom: .8rem; }
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.13; letter-spacing: -.02em; margin-bottom: 1rem; }
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--green-100); max-width: 56ch; margin-bottom: 1.6rem; }
.hero .cta-row { display: flex; gap: .9rem; flex-wrap: wrap; align-items: center; }
.hero .oak {
  position: absolute; right: -40px; bottom: -12px; width: 420px; opacity: .14; z-index: 0;
}
@media (max-width: 720px) { .hero { padding: 2.8rem 0 3.2rem; } .hero .oak { width: 300px; } }

/* ===== Trust strip ===== */
.truststrip { background: var(--green-50); border-bottom: 1px solid #e3e9e5; }
.truststrip .wrap { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; padding: .9rem 1.25rem; font-weight: 600; color: var(--green-900); font-size: .95rem; }
.truststrip span { display: flex; align-items: center; gap: .45rem; }
.truststrip svg { width: 18px; height: 18px; flex: none; }

/* ===== Sections ===== */
section { padding: 3.2rem 0; }
section.tint { background: var(--green-50); }
.section-head { max-width: 760px; margin-bottom: 2rem; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--green-950); letter-spacing: -.015em; line-height: 1.2; margin-bottom: .6rem; }
.section-head p { color: var(--ink-soft); }
h2, h3 { color: var(--green-950); }
article h2 { font-size: 1.55rem; margin: 2.2rem 0 .7rem; letter-spacing: -.01em; }
article h3 { font-size: 1.18rem; margin: 1.6rem 0 .5rem; }
article p { margin-bottom: 1rem; }
article ul, article ol { margin: 0 0 1rem 1.35rem; }
article li { margin-bottom: .4rem; }
article { max-width: 760px; }
a { color: var(--green-700); }

/* ===== Service cards ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.1rem; }
.card {
  background: var(--white); border: 1px solid #dfe8e2; border-radius: var(--radius);
  padding: 1.35rem 1.3rem; text-decoration: none; color: var(--ink);
  display: flex; flex-direction: column; gap: .5rem;
  transition: border-color .15s, box-shadow .15s;
}
.card:hover { border-color: var(--green-700); box-shadow: 0 4px 14px rgba(18,63,38,.09); }
.card svg { width: 32px; height: 32px; color: var(--green-700); }
.card h3 { font-size: 1.12rem; color: var(--green-950); }
.card p { font-size: .94rem; color: var(--ink-soft); }
.card .more { font-weight: 700; color: var(--green-700); font-size: .92rem; margin-top: auto; }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.1rem; counter-reset: step; }
.step { background: var(--white); border: 1px solid #dfe8e2; border-radius: var(--radius); padding: 1.3rem; }
.step::before {
  counter-increment: step; content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--green-900); color: var(--white); font-weight: 800; margin-bottom: .7rem;
}
.step h3 { font-size: 1.08rem; margin-bottom: .35rem; }
.step p { font-size: .94rem; color: var(--ink-soft); }

/* ===== CTA band ===== */
.ctaband { background: linear-gradient(150deg, var(--green-700), var(--green-950)); color: var(--white); text-align: center; }
.ctaband h2 { color: var(--white); font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: .5rem; }
.ctaband p { color: var(--green-100); margin-bottom: 1.4rem; max-width: 54ch; margin-left: auto; margin-right: auto; }
.ctaband .phone { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 800; color: var(--white); text-decoration: none; display: inline-block; margin-bottom: 1rem; }
.ctaband .phone:hover { text-decoration: underline; }

/* ===== FAQ ===== */
.faq details { border: 1px solid #dfe8e2; border-radius: var(--radius); background: var(--white); margin-bottom: .7rem; padding: 0; }
.faq summary { cursor: pointer; font-weight: 700; padding: .95rem 1.15rem; color: var(--green-950); list-style: none; position: relative; padding-right: 2.4rem; }
.faq summary::after { content: "+"; position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%); font-size: 1.3rem; color: var(--green-700); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 1.15rem 1rem; color: var(--ink-soft); }

/* ===== Two-col ===== */
.twocol { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2.4rem; align-items: start; }
@media (max-width: 780px) { .twocol { grid-template-columns: 1fr; } }
.sidebox { background: var(--green-50); border: 1px solid #dfe8e2; border-radius: var(--radius); padding: 1.4rem; position: sticky; top: 90px; }
.sidebox h3 { margin-bottom: .6rem; }
.sidebox ul { list-style: none; margin: 0 0 1rem; }
.sidebox li { padding: .3rem 0; border-bottom: 1px solid #e3ece6; font-size: .95rem; }
.sidebox li:last-child { border-bottom: 0; }
.sidebox .phone-line { font-size: 1.25rem; font-weight: 800; color: var(--green-900); text-decoration: none; display: block; margin: .4rem 0 .8rem; }

/* ===== Area list ===== */
.arealist { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .6rem; list-style: none; margin: 0; }
.arealist li { background: var(--white); border: 1px solid #dfe8e2; border-radius: 8px; padding: .6rem .9rem; font-weight: 600; color: var(--green-900); font-size: .95rem; }

/* ===== Footer ===== */
footer.site { background: var(--green-950); color: var(--green-100); padding: 2.8rem 0 1.6rem; font-size: .95rem; }
footer.site .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.8rem; margin-bottom: 2rem; }
footer.site h3 { color: var(--white); font-size: 1.02rem; margin-bottom: .7rem; }
footer.site ul { list-style: none; }
footer.site li { margin-bottom: .4rem; }
footer.site a { color: var(--green-100); text-decoration: none; }
footer.site a:hover { color: var(--white); text-decoration: underline; }
footer.site .phone-big { font-size: 1.3rem; font-weight: 800; color: var(--white); }
footer.site .legal { border-top: 1px solid rgba(255,255,255,.15); padding-top: 1.2rem; font-size: .85rem; opacity: .75; text-align: center; }

/* ===== Sticky mobile call button ===== */
.mobilecall {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  background: var(--amber); color: var(--green-950); text-align: center;
  font-weight: 800; font-size: 1.15rem; padding: .95rem 1rem; text-decoration: none;
  box-shadow: 0 -3px 12px rgba(0,0,0,.18);
}
@media (max-width: 720px) {
  .mobilecall { display: block; }
  body { padding-bottom: 3.6rem; }
}

/* ===== Breadcrumbs ===== */
.crumbs { font-size: .88rem; color: var(--ink-soft); padding: 1rem 0 0; }
.crumbs a { color: var(--green-700); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }