/* Black Forest Installations Inc. -- site styles
   Brand tokens are mirrored in brand/brand-guide.html. */
:root {
  --forest: #0F3D2E;
  --forest-deep: #0B2C21;
  --pine: #1E6B4A;
  --moss: #7CC299;
  --charcoal: #111412;
  --ink: #1A1F1C;
  --ink-soft: #4A524D;
  --amber: #F2A900;
  --amber-deep: #C98B00;
  --bone: #F5F2EC;
  --stone: #D9D4CA;
  --white: #FFFFFF;

  --font-display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --font-body: "Barlow", "Helvetica Neue", Arial, sans-serif;

  --container: 1140px;
  --gutter: 16px;
  --radius: 10px;
  --shadow: 0 12px 32px rgba(17, 20, 18, 0.10);
  --header-h: 72px;
}
@media (min-width: 720px) { :root { --gutter: 32px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--pine); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.02;
  letter-spacing: 0.005em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.75rem, 7vw, 5.25rem); font-weight: 700; text-transform: uppercase; }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; text-transform: uppercase; }
h3 { font-size: 1.55rem; font-weight: 600; }
p { margin: 0 0 1em; }
strong { font-weight: 600; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: var(--gutter); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--amber); color: var(--charcoal); padding: 10px 16px; border-radius: 6px;
  font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* Eyebrows & buttons */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 1rem;
}
.eyebrow-dark { color: var(--pine); }
.eyebrow .dot { margin: 0 0.5em; color: var(--amber); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8em 1.6em;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .15s, border-color .15s, color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--amber); color: var(--charcoal); border-color: var(--amber); }
.btn-primary:hover { background: var(--amber-deep); border-color: var(--amber-deep); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.45); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }
.btn-sm { font-size: 1rem; padding: 0.55em 1.1em; }
.text-link { font-weight: 600; color: var(--moss); text-decoration: none; border-bottom: 2px solid rgba(124,194,153,0.4); }
.text-link:hover { border-bottom-color: var(--moss); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--forest-deep);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: var(--header-h);
}
.brand img { height: 44px; width: auto; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.6rem; align-items: center; }
.site-nav a:not(.btn) {
  color: var(--bone); text-decoration: none; font-weight: 500; font-size: 1rem;
  padding: 0.3em 0; border-bottom: 2px solid transparent;
}
.site-nav a:not(.btn):hover { border-bottom-color: var(--amber); }
.nav-toggle {
  display: none; background: none; border: 0; padding: 10px; cursor: pointer;
  width: 44px; height: 44px; position: relative;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  content: ""; display: block; width: 24px; height: 2px; background: var(--bone);
  position: absolute; left: 10px; transition: transform .2s, opacity .2s;
}
.nav-toggle-bars { top: 21px; }
.nav-toggle-bars::before { top: -7px; left: 0; }
.nav-toggle-bars::after { top: 7px; left: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 899px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--forest-deep); border-bottom: 1px solid rgba(255,255,255,0.1); }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem var(--gutter) 1rem; }
  .site-nav li a:not(.btn) { display: block; padding: 0.8em 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .site-nav .nav-cta { padding-top: 0.8rem; }
  .site-nav .nav-cta .btn { width: 100%; }
}

/* Hero */
.hero {
  position: relative;
  color: var(--white);
  background: linear-gradient(135deg, var(--forest-deep) 0%, var(--forest) 55%, var(--charcoal) 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='150' viewBox='0 0 260 150'%3E%3Cpath d='M-30 150 L130 -10 L290 150' fill='none' stroke='%23ffffff' stroke-opacity='0.035' stroke-width='18'/%3E%3Cpath d='M-30 225 L130 65 L290 225' fill='none' stroke='%23ffffff' stroke-opacity='0.035' stroke-width='18'/%3E%3C/svg%3E");
  background-size: 260px 150px;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--amber);
}
.hero-inner { position: relative; padding: clamp(3.5rem, 9vw, 7rem) var(--gutter) clamp(3rem, 7vw, 5.5rem); }
.hero .eyebrow { margin-bottom: 1.4rem; }
.hero h1 { max-width: 12ch; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); max-width: 62ch; color: rgba(255,255,255,0.86); }
.lead strong { color: var(--white); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 2rem 0 3rem; }
.trust-strip {
  list-style: none; margin: 0; padding: 1.5rem 0 0;
  border-top: 1px solid rgba(255,255,255,0.14);
  display: grid; gap: 1.2rem 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .trust-strip { grid-template-columns: repeat(3, 1fr); } }
.trust-strip li { display: grid; grid-template-columns: auto 1fr; gap: 0.9rem; align-items: start; }
.trust-figure {
  font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; line-height: 1; color: var(--amber);
  min-width: 3.2ch;
}
.trust-label { color: rgba(255,255,255,0.8); font-size: 0.98rem; line-height: 1.4; padding-top: 0.35rem; }
.hero-404 .hero-inner { text-align: center; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.hero-404 h1 { max-width: none; }
.hero-404 img { margin-bottom: 1.5rem; }

/* Partner bar */
.partner-bar { background: var(--bone); border-bottom: 1px solid var(--stone); }
.partner-bar-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 3rem; padding: 1.2rem var(--gutter); }
.partner-bar-label { font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: var(--ink-soft); }
.partner-names { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1rem 3rem; }
.partner-names li { display: flex; flex-direction: column; }
.partner-name { font-family: var(--font-display); font-weight: 700; font-size: 1.6rem; line-height: 1; text-transform: uppercase; color: var(--forest); }
.partner-sub { font-size: 0.85rem; color: var(--ink-soft); }

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section-dark { background: var(--forest); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-bone { background: var(--bone); }
.section-head { max-width: 760px; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section-intro { font-size: 1.1rem; color: var(--ink-soft); }
.section-dark .section-intro { color: rgba(255,255,255,0.8); }
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* Service cards */
.card {
  background: var(--white); border: 1px solid var(--stone); border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.4rem; box-shadow: 0 1px 0 rgba(17,20,18,0.04);
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--forest); color: var(--amber); display: grid; place-items: center; margin-bottom: 1.1rem; }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 0.4em; }
.card p { margin: 0; color: var(--ink-soft); font-size: 1rem; }

/* Partner cards */
.partner-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); padding: 1.8rem 1.6rem; }
.partner-kicker { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: var(--amber); margin-bottom: 0.6rem; }
.partner-card h3 { font-size: 2rem; font-weight: 700; text-transform: uppercase; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.8rem; }
.partner-tag { font-family: var(--font-body); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.02em; text-transform: none; color: var(--moss); }
.partner-card p { color: rgba(255,255,255,0.84); }
.partner-card p strong { color: var(--white); }

/* About */
.about-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1.15fr 1fr; gap: 4rem; } }
.checklist { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 0.7rem; }
.checklist li { position: relative; padding-left: 2rem; font-weight: 500; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 0.35em; width: 18px; height: 18px; border-radius: 4px;
  background: var(--forest);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F2A900' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");
  background-size: 14px; background-position: center; background-repeat: no-repeat;
}
.about-values { display: grid; gap: 1rem; }
.value { border-left: 4px solid var(--amber); background: var(--bone); padding: 1.2rem 1.4rem; border-radius: 0 var(--radius) var(--radius) 0; }
.value-num { font-family: var(--font-display); font-weight: 700; color: var(--pine); font-size: 0.95rem; letter-spacing: 0.12em; }
.value h3 { margin: 0.2em 0 0.3em; }
.value p { margin: 0; color: var(--ink-soft); }

/* Process */
.process { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.2rem; counter-reset: step; grid-template-columns: 1fr; }
@media (min-width: 640px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .process { grid-template-columns: repeat(5, 1fr); gap: 1rem; } }
.process li { background: var(--white); border: 1px solid var(--stone); border-radius: var(--radius); padding: 1.4rem 1.3rem 1.2rem; position: relative; }
.step-num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--forest); color: var(--amber); font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  margin-bottom: 0.9rem;
}
.process h3 { font-size: 1.5rem; margin-bottom: 0.35em; }
.process p { margin: 0; font-size: 0.98rem; color: var(--ink-soft); }

/* Why */
.why-grid { gap: 1rem 2.5rem; }
.why-item { padding: 1.4rem 0 1rem; border-top: 2px solid rgba(255,255,255,0.14); }
.why-item h3 { color: var(--amber); font-size: 1.6rem; margin-bottom: 0.3em; }
.why-item p { margin: 0; color: rgba(255,255,255,0.84); }

/* Contact */
.contact-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 4rem; } }
.contact-details { font-style: normal; margin-top: 2rem; display: grid; gap: 0.6rem; }
.contact-details p { margin: 0; display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.5rem; }
.contact-label { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: var(--ink-soft); padding-top: 0.35em; }
.contact-details a { color: var(--forest); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.footer-contact a { overflow-wrap: anywhere; }
.contact-details a:hover { text-decoration: underline; }
.contact-form { background: var(--bone); border: 1px solid var(--stone); border-radius: var(--radius); padding: 1.8rem 1.5rem; }
.form-row { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1.1rem; }
.form-2col { display: grid; grid-template-columns: 1fr; gap: 0 1rem; }
@media (min-width: 560px) { .form-2col { grid-template-columns: 1fr 1fr; } }
label { font-weight: 600; font-size: 0.95rem; }
label span { color: var(--amber-deep); }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--white);
  border: 1.5px solid var(--stone); border-radius: 6px; padding: 0.7em 0.85em; width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--pine); outline: none; box-shadow: 0 0 0 3px rgba(30,107,74,0.2); }
textarea { resize: vertical; min-height: 120px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .btn { width: 100%; margin-top: 0.4rem; }
.form-status { margin: 1rem 0 0; font-weight: 500; min-height: 1.5em; }
.form-status.is-error { color: #A13A1E; }
.form-status.is-success { color: var(--pine); }
.contact-form.is-busy { opacity: 0.7; pointer-events: none; }

/* Footer */
.site-footer { background: var(--charcoal); color: rgba(255,255,255,0.8); padding: 3.5rem 0 2rem; border-top: 6px solid var(--amber); }
.footer-inner { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .footer-inner { grid-template-columns: 1.2fr 1fr 1fr; gap: 3rem; } }
.footer-brand img { width: 140px; height: auto; margin-bottom: 1rem; }
.footer-tagline { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; color: var(--white); margin-bottom: 0.4rem; }
.footer-badge { display: inline-block; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: var(--amber); border: 1px solid rgba(242,169,0,0.4); padding: 0.35em 0.7em; border-radius: 4px; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.footer-nav a, .footer-contact a { color: var(--bone); text-decoration: none; font-weight: 500; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--amber); }
.footer-contact p { margin: 0 0 0.5rem; }
.footer-legal { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.85rem; color: rgba(255,255,255,0.55); }
.footer-legal p { margin: 0 0 0.4rem; }

/* Anchors under sticky header */
section[id], main[id] { scroll-margin-top: calc(var(--header-h) + 8px); }