/* Layout concept: every section is a drawing sheet — ink on galvanized paper,
   dimension lines and title-block labels as the structural devices. */
:root {
  --paper: #f4f6f5;        /* galvanized off-white */
  --paper-2: #ffffff;
  --ink: #13243a;          /* drafting ink navy */
  --ink-2: #3c4c5f;
  --steel: #6a7785;
  --rule: #d6dde3;
  --accent: #d95a16;       /* survey-marker orange */
  --accent-ink: #b0470f;
  --accent-soft: #fbe8dc;
  --ok: #1e7a4a;
  --mesh: rgba(19,36,58,0.05);
  --shadow: 0 1px 2px rgba(19,36,58,.06), 0 12px 32px rgba(19,36,58,.08);
  --f-display: 'Barlow Condensed', 'Arial Narrow', 'Roboto Condensed', sans-serif;
  --f-body: 'Source Sans 3', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1720; --paper-2: #16212d; --ink: #e9eef3; --ink-2: #b7c3cf; --steel: #8b98a6; --rule: #273544;
    --accent: #f0782f; --accent-ink: #ff9a5c; --accent-soft: #3a2416; --ok: #4cc488; --mesh: rgba(233,238,243,0.045);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1720; --paper-2: #16212d; --ink: #e9eef3; --ink-2: #b7c3cf; --steel: #8b98a6; --rule: #273544;
  --accent: #f0782f; --accent-ink: #ff9a5c; --accent-soft: #3a2416; --ok: #4cc488; --mesh: rgba(233,238,243,0.045);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35); color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--f-body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1180px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.02; letter-spacing: 0.005em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(42px, 5.4vw, 74px); text-transform: uppercase; }
h2 { font-size: clamp(34px, 4.2vw, 54px); text-transform: uppercase; }
h3 { font-size: 24px; font-weight: 600; letter-spacing: 0.01em; }
p { margin: 0; }
.lede { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-2); max-width: 60ch; }
.mono { font-family: var(--f-mono); }
.label { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font: 600 16px/1 var(--f-body); padding: 14px 22px; border-radius: 6px; border: 1.5px solid transparent; text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, transform .15s; white-space: nowrap; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: 9px 14px; font-size: 15px; }

/* Header */
.site-head { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 68px; }
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; font-family: var(--f-display); font-weight: 700; font-size: 22px; text-transform: uppercase; letter-spacing: .02em; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 1.4rem; margin-left: auto; align-items: center; }
.nav a { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.head-cta { display: flex; gap: .6rem; align-items: center; }
@media (max-width: 860px) { .nav .nav-link { display: none; } .brand span { font-size: 18px; } }
@media (max-width: 520px) { .head-cta .btn-line { display: none; } .brand span { max-width: 170px; line-height: 1; } }

/* Offer ribbon */
.ribbon { background: var(--ink); color: var(--paper); font-size: 15px; text-align: center; padding-block: 9px; }
.ribbon strong { color: var(--accent); font-weight: 700; }
:root[data-theme="dark"] .ribbon strong, .ribbon strong { color: #ff9a5c; }

/* Hero */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--rule);
  background-image:
    repeating-linear-gradient(45deg, var(--mesh) 0 1.5px, transparent 1.5px 22px),
    repeating-linear-gradient(-45deg, var(--mesh) 0 1.5px, transparent 1.5px 22px); }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.08fr; gap: 3.5rem; align-items: center; padding-block: 72px 80px; }
.hero-copy { display: grid; gap: 1.4rem; min-width: 0; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.hero-note { font-size: 14px; color: var(--steel); }
.spec-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.spec-chips span { font-family: var(--f-mono); font-size: 12.5px; border: 1px solid var(--rule); background: var(--paper-2); padding: 4px 9px; border-radius: 4px; color: var(--ink-2); }

.sheet { position: relative; background: #fff; border: 1px solid var(--rule); box-shadow: var(--shadow); padding: 14px; border-radius: 4px; min-width: 0; }
.sheet img { border: 1px solid #e3e7eb; }
.sheet-tag { position: absolute; top: -13px; left: 18px; background: var(--ink); color: var(--paper); font: 500 11.5px/1 var(--f-mono); letter-spacing: .1em; padding: 6px 9px; border-radius: 3px; }
.dimline { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; color: var(--steel); font: 500 12px var(--f-mono); }
.dimline::before, .dimline::after { content: ""; flex: 1; height: 1px; background: currentColor; }
.dimline span { white-space: nowrap; }
@media (max-width: 920px) { .hero .wrap { grid-template-columns: 1fr; padding-block: 48px 56px; gap: 2.5rem; } }

/* Sections */
.section { padding-block: 96px; border-bottom: 1px solid var(--rule); }
.section-head { display: grid; gap: 1rem; margin-bottom: 3rem; max-width: 760px; }
.sheet-no { display: flex; gap: .8rem; align-items: center; }
.sheet-no b { font: 600 12px/1 var(--f-mono); letter-spacing: .1em; color: var(--accent); }

.trade { padding-block: 26px; border-bottom: 1px solid var(--rule); background: var(--paper-2); }
.trade .wrap { display: flex; flex-wrap: wrap; gap: .5rem 2.4rem; align-items: center; }
.trade span { font-family: var(--f-display); font-weight: 600; font-size: 20px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.feature { padding: 30px 28px 34px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); display: grid; gap: .7rem; align-content: start; background: var(--paper-2); min-width: 0; }
.feature .ico { width: 34px; height: 34px; color: var(--accent); }
.feature p { color: var(--ink-2); font-size: 16px; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; counter-reset: step; }
.step { display: grid; gap: .8rem; align-content: start; min-width: 0; }
.step-n { font: 700 64px/1 var(--f-display); color: transparent; -webkit-text-stroke: 1.5px var(--accent); }
.step p { color: var(--ink-2); }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 3.5rem; align-items: center; }
.split.rev { grid-template-columns: 1.25fr 1fr; }
.split.rev > :first-child { order: 2; }
.split-copy { display: grid; gap: 1.2rem; min-width: 0; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: .65rem; }
.ticks li { position: relative; padding-left: 28px; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: 14px; height: 8px; border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg); }
@media (max-width: 900px) { .split, .split.rev { grid-template-columns: 1fr; } .split.rev > :first-child { order: 0; } }

/* Pricing */
.billing-toggle { display: inline-flex; border: 1px solid var(--rule); border-radius: 6px; padding: 3px; background: var(--paper-2); gap: 3px; }
.billing-toggle button { font: 600 15px var(--f-body); border: 0; background: transparent; color: var(--ink-2); padding: 8px 16px; border-radius: 4px; cursor: pointer; }
.billing-toggle button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-top: 2rem; max-width: 900px; }
.plan { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 6px; padding: 30px; display: grid; gap: 1.1rem; align-content: start; position: relative; }
.plan.feat { border: 2px solid var(--ink); }
.plan .flag { position: absolute; top: -12px; right: 22px; background: var(--accent); color: #fff; font: 600 11.5px/1 var(--f-mono); letter-spacing: .08em; padding: 6px 9px; border-radius: 3px; text-transform: uppercase; }
.price { display: flex; align-items: baseline; gap: .4rem; }
.price b { font: 700 58px/1 var(--f-display); font-variant-numeric: tabular-nums; }
.price span { color: var(--steel); }
.plan .sub { color: var(--steel); font-size: 15px; min-height: 1.6em; }
.plan .btn { width: 100%; }
@media (max-width: 700px) { .plans { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: grid; gap: 0; max-width: 860px; border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); padding-block: 4px; }
.faq summary { cursor: pointer; list-style: none; font: 600 19px/1.4 var(--f-body); padding: 18px 40px 18px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 12px; font: 400 28px var(--f-mono); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-2); padding: 0 0 20px; max-width: 70ch; }

/* CTA band */
.cta-band { background: var(--ink); color: var(--paper); padding-block: 84px; }
.cta-band .wrap { display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; justify-content: space-between; }
.cta-band h2 { color: var(--paper); max-width: 16ch; }
.cta-band p { color: color-mix(in srgb, var(--paper) 75%, transparent); margin-top: .8rem; }
.cta-band .btn-line { border-color: var(--paper); color: var(--paper); }
.cta-band .btn-line:hover { background: var(--paper); color: var(--ink); }

/* Footer */
.site-foot { padding-block: 44px 56px; font-size: 15px; color: var(--steel); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 1.2rem 2.5rem; justify-content: space-between; align-items: flex-start; }
.site-foot nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: var(--ink); }

/* Simple pages (login, legal) */
.page { padding-block: 64px 96px; }
.page .wrap { max-width: 820px; }
.page h1 { font-size: clamp(40px, 5vw, 60px); margin-bottom: 1rem; }
.page h2 { font-size: 28px; margin: 2.2rem 0 .6rem; }
.page p, .page li { color: var(--ink-2); margin-bottom: .8rem; }
.draft-note { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 12px 16px; border-radius: 0 6px 6px 0; color: var(--ink); margin-bottom: 1.6rem; }
.login-card { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 8px; padding: 32px; box-shadow: var(--shadow); max-width: 480px; margin: 0 auto; }
.login-fallback { display: grid; gap: 1rem; justify-items: start; }

.foot-brand { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.foot-brand .fp-logo { width: 200px; height: auto; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .fp-logo { content: url("brand/the-fence-professional-logo-white.png"); } }
:root[data-theme="dark"] .fp-logo { content: url("brand/the-fence-professional-logo-white.png"); }

/* Waitlist dialog (pre-launch) */
dialog.wl{border:0;border-radius:16px;padding:0;max-width:440px;width:calc(100% - 32px);box-shadow:0 30px 80px rgba(15,23,42,.35)}
dialog.wl::backdrop{background:rgba(15,23,42,.55)}
.wl-box{position:relative;display:flex;flex-direction:column;gap:12px;padding:28px 26px 24px;font-family:inherit}
.wl-box h2{margin:0;font-size:1.5rem;color:#13243a}
.wl-sub{margin:0 0 4px;color:#475569;line-height:1.5}
.wl-box label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:.92rem;color:#1e293b}
.wl-box input{font:inherit;font-weight:400;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px}
.wl-box input:focus{outline:2px solid #d95a16;outline-offset:1px;border-color:#d95a16}
.wl-x{position:absolute;right:12px;top:10px;border:0;background:none;font-size:26px;line-height:1;color:#64748b;cursor:pointer}
.wl-msg{margin:0;min-height:1.2em;color:#b3261e;font-size:.9rem}
.wl-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}