/* ==========================================================================
   Bjerglund — site styles
   Colors come from the Bjerglund design guidelines (forest palette).
   Day (light) is the default; Night (dark) follows the visitor's device
   unless they pick one with the theme button.
   ========================================================================== */

/* ---------- Font: Archivo, self-hosted (no requests to Google) ----------
   Archivo © 2020 The Archivo Project Authors (https://github.com/Omnibus-Type/Archivo)
   Licensed under the SIL Open Font License 1.1 — see fonts/LICENSE.txt */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/archivo-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/archivo-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Color tokens: Day ---------- */
:root {
  color-scheme: light;
  --bg: #e7e5df;
  --bg-image: none;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.55);
  --text: #1d2b24;
  --muted: #59625c;
  --faint: #5d6660;
  --accent: #2f7d54;
  --accent-text: #276a47;
  --eyebrow: #276a47;
  --hairline: rgba(0, 0, 0, 0.09);
  --card-border: rgba(0, 0, 0, 0.07);
  --card-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  --hi-bg: linear-gradient(158deg, #e8f5ec 0%, #ffffff 100%);
  --hi-border: rgba(47, 125, 84, 0.5);
  --hi-shadow: 0 16px 38px -18px rgba(47, 125, 84, 0.42);
  --halo: radial-gradient(circle, rgba(47, 125, 84, 0.16), transparent 68%);
  --btn-bg: #2f7d54;
  --btn-text: #ffffff;
  --btn-hover: #276a47;
  --chip-bg: rgba(0, 0, 0, 0.035);
  --header-bg: rgba(231, 229, 223, 0.82);
  --logo-mountain: #1d2b24;
  --logo-tree: #2f7d54;
  --good: #4fae7d;
  --good-tint: rgba(79, 174, 125, 0.14);
}

/* ---------- Color tokens: Night (device setting) ---------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e1410;
    --bg-image: radial-gradient(120% 80% at 50% -10%, #16271d 0%, #0e1410 60%);
    --surface: #19241e;
    --surface-soft: rgba(25, 36, 30, 0.6);
    --text: #f3f1ea;
    --muted: #a3aca5;
    --faint: #8b948d;
    --accent: #4fae7d;
    --accent-text: #7fd3a4;
    --eyebrow: #4fae7d;
    --hairline: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    --hi-bg: linear-gradient(158deg, #21402f 0%, #152419 100%);
    --hi-border: rgba(79, 174, 125, 0.55);
    --hi-shadow: 0 18px 44px -16px rgba(79, 174, 125, 0.55);
    --halo: radial-gradient(circle, rgba(86, 192, 138, 0.32), transparent 68%);
    --btn-bg: rgba(79, 174, 125, 0.18);
    --btn-text: #7fd3a4;
    --btn-hover: rgba(79, 174, 125, 0.28);
    --chip-bg: rgba(255, 255, 255, 0.04);
    --header-bg: rgba(14, 20, 16, 0.78);
    --logo-mountain: #f3f1ea;
    --logo-tree: #4fae7d;
  }
}

/* ---------- Color tokens: Night (chosen with the button) ---------- */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1410;
  --bg-image: radial-gradient(120% 80% at 50% -10%, #16271d 0%, #0e1410 60%);
  --surface: #19241e;
  --surface-soft: rgba(25, 36, 30, 0.6);
  --text: #f3f1ea;
  --muted: #a3aca5;
  --faint: #8b948d;
  --accent: #4fae7d;
  --accent-text: #7fd3a4;
  --eyebrow: #4fae7d;
  --hairline: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.06);
  --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  --hi-bg: linear-gradient(158deg, #21402f 0%, #152419 100%);
  --hi-border: rgba(79, 174, 125, 0.55);
  --hi-shadow: 0 18px 44px -16px rgba(79, 174, 125, 0.55);
  --halo: radial-gradient(circle, rgba(86, 192, 138, 0.32), transparent 68%);
  --btn-bg: rgba(79, 174, 125, 0.18);
  --btn-text: #7fd3a4;
  --btn-hover: rgba(79, 174, 125, 0.28);
  --chip-bg: rgba(255, 255, 255, 0.04);
  --header-bg: rgba(14, 20, 16, 0.78);
  --logo-mountain: #f3f1ea;
  --logo-tree: #4fae7d;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Archivo", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image: var(--bg-image);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

main { flex: 1; }

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

a { color: var(--accent-text); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.5rem); font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--eyebrow);
  margin-bottom: 14px;
}

.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 640px; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--btn-bg); color: var(--btn-text);
  padding: 10px 16px; border-radius: 10px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Icons ---------- */
.icon { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 18px; height: 18px; }

.lantern { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.lantern .core { fill: var(--accent); stroke: none; }
.lantern .body { fill: var(--accent); fill-opacity: 0.18; }

.halo {
  width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--halo);
}

/* ---------- Logo ---------- */
.logo svg { height: 44px; width: auto; display: block; }
.logo .lm { fill: var(--logo-mountain); }
.logo .lt { fill: var(--logo-tree); }
.logo .lw { fill: var(--logo-mountain); font-family: "Archivo", "Segoe UI", system-ui, sans-serif; font-weight: 700; font-size: 29px; letter-spacing: 3.5px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.logo { display: inline-flex; text-decoration: none; }

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.main-nav a {
  display: block; padding: 10px 14px; border-radius: 12px;
  color: var(--text); text-decoration: none; font-weight: 600; font-size: 15px;
}
.main-nav a:hover { background: var(--chip-bg); }
.main-nav a[aria-current="page"] { color: var(--accent-text); background: var(--good-tint); }

.header-actions { display: flex; align-items: center; gap: 8px; }

.chip-btn {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 14px;
  border: 1px solid var(--hairline); border-radius: 12px;
  background: var(--chip-bg); color: var(--text);
  font: inherit; font-size: 14px; font-weight: 600;
  text-decoration: none; cursor: pointer;
}
.chip-btn:hover { border-color: var(--accent); }

.menu-btn { display: none; }

/* ---------- Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 13px;
  font-weight: 700; font-size: 16px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--btn-bg); color: var(--btn-text); }
.btn-primary:hover { background: var(--btn-hover); }
.btn-ghost { color: var(--text); border-color: var(--hairline); background: var(--surface-soft); }
.btn-ghost:hover { border-color: var(--accent); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: 18px;
  padding: 28px;
}
.card-hi {
  background: var(--hi-bg);
  border: 1px solid var(--hi-border);
  box-shadow: var(--hi-shadow);
  border-radius: 22px;
  padding: 28px;
}
.card h3 { margin-top: 14px; }
.card p:last-child { margin-bottom: 0; }

.icon-tile {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--good-tint); color: var(--accent-text);
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-tight { padding: 40px 0; }
.section-head { max-width: 680px; margin-bottom: 36px; }
.section-head p { color: var(--muted); }

.page-hero { padding: 72px 0 24px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.divider-label {
  display: flex; align-items: center; gap: 14px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 22px;
}
.divider-label::after { content: ""; flex: 1; height: 1px; background: var(--hairline); }

/* ---------- Home hero ---------- */
.hero { padding: 88px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center; }
.hero h1 { max-width: 14ch; }

.status-panel .panel-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.status-panel .panel-head strong { display: block; font-size: 18px; }
.status-panel .panel-head span { font-size: 13px; color: var(--muted); }

.status-list { list-style: none; margin: 0; padding: 0; }
.status-list li {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 4px; border-top: 1px solid var(--hairline);
  font-weight: 600;
}
.status-list li span:last-child { margin-left: auto; font-size: 13px; color: var(--muted); font-weight: 500; text-align: right; }

.dot {
  width: 10px; height: 10px; border-radius: 50%; flex: none;
  background: var(--good);
  box-shadow: 0 0 10px 1px rgba(79, 174, 125, 0.6);
}

/* ---------- Partner band ---------- */
.partner { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; }
.partner h2 { margin-bottom: 8px; }
.partner p { color: var(--muted); margin: 0; max-width: 620px; }
.partner .btn-row { margin-top: 0; }

/* ---------- Principles ---------- */
.principle { padding: 26px 0 0; border-top: 2px solid var(--accent); }
.principle .num { font-size: 13px; font-weight: 700; color: var(--accent-text); letter-spacing: 0.1em; }
.principle h3 { margin: 8px 0 8px; }
.principle p { color: var(--muted); }

/* ---------- Services page ---------- */
.service { display: grid; grid-template-columns: 260px 1fr; gap: 32px; }
.service + .service { margin-top: 18px; }
.service-title { display: flex; flex-direction: column; gap: 14px; }
.service-title h2 { font-size: 1.5rem; margin: 0; }
.service p { color: var(--muted); }

.check-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list .icon { color: var(--accent); margin-top: 2px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 0; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--accent-text);
  margin-bottom: 8px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--muted); margin: 0; }

/* ---------- About page ---------- */
.profile { display: grid; grid-template-columns: 340px 1fr; gap: 48px; align-items: start; }
.profile-photo { border-radius: 22px; overflow: hidden; border: 1px solid var(--hi-border); box-shadow: var(--hi-shadow); }
.profile h2 { margin-bottom: 4px; }
.profile .role { color: var(--accent-text); font-weight: 600; margin-bottom: 20px; }
.profile p { color: var(--muted); }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 28px 0; }
.fact { padding: 16px 18px; border-radius: 14px; background: var(--chip-bg); border: 1px solid var(--hairline); }
.fact dt { font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.fact dd { margin: 4px 0 0; font-weight: 600; }

.benefits { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.benefits li { display: flex; gap: 12px; align-items: flex-start; }
.benefits .icon { color: var(--accent); margin-top: 3px; }

/* ---------- Contact page ---------- */
.contact-card { display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--text); transition: border-color 0.15s ease; }
a.contact-card:hover { border-color: var(--accent); }
.contact-card .label { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-top: 14px; }
.contact-card .value { font-size: 1.15rem; font-weight: 700; color: var(--accent-text); overflow-wrap: anywhere; }

.company-info { display: grid; grid-template-columns: auto 1fr; gap: 6px 28px; margin: 0; }
.company-info dt { color: var(--muted); }
.company-info dd { margin: 0; font-weight: 600; }

/* ---------- Call to action band ---------- */
.cta { text-align: center; padding: 56px 28px; }
.cta h2 { margin-bottom: 10px; }
.cta p { color: var(--muted); max-width: 560px; margin: 0 auto; }
.cta .btn-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--hairline); padding: 48px 0 32px; margin-top: 40px; font-size: 15px; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer .logo svg { height: 38px; }
.site-footer h4 { margin: 0 0 10px; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent-text); text-decoration: underline; }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--hairline); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: 13px; color: var(--faint); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { max-width: 18ch; }
  .partner { grid-template-columns: 1fr; gap: 18px; }
  .service { grid-template-columns: 1fr; gap: 18px; }
  .profile { grid-template-columns: 1fr; }
  .profile-photo { max-width: 340px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .menu-btn { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-bottom: 1px solid var(--hairline);
    padding: 8px 16px 16px;
  }
  .nav-open .main-nav { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav a { padding: 14px; font-size: 17px; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .logo svg { height: 36px; }
  .header-actions { gap: 6px; }
  .chip-btn { padding: 0 11px; }
  .theme-label { display: none; }
  .hero { padding: 56px 0 40px; }
  .page-hero { padding: 48px 0 12px; }
  .section { padding: 52px 0; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .card, .card-hi { padding: 22px; }
  .check-list { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .company-info { grid-template-columns: 1fr; gap: 0; }
  .company-info dd { margin-bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Small helpers ---------- */
.muted { color: var(--muted); }
.narrow { max-width: 820px; }
.gap-lg { gap: 40px; }
.h-sm { font-size: 1.5rem; }
.mt-sm { margin-top: 14px; }
.footer-tag { margin-top: 14px; max-width: 340px; }

/* ---------- Privacy policy ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 0.4em; }
.prose strong { color: var(--text); }
.prose h2:first-child { margin-top: 0; }