/* DrillSolver — Field-Tough site styles (Spaceman Apps) */
@font-face { font-family: "Saira"; src: url("fonts/SairaCondensed-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Saira"; src: url("fonts/SairaCondensed-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }

:root {
  --bg: #101216; --panel: #12141A; --card: #191C22; --raised: #22262E; --border: #2A2F38;
  --amber: #E8912F; --amber-hover: #F0A44E; --blue: #58A6FF; --pass: #3ECF8E; --danger: #F47067;
  --text: #ECEEF2; --text-2: #A6AEBB; --muted: #6C7789;
  --display: "Saira", "Arial Narrow", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--body); }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-hover); text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(16,18,22,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font: 700 22px/1 var(--display); letter-spacing: .5px; text-transform: uppercase; }
.brand:hover { color: var(--text); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 22px; font: 600 15px/1 var(--display); text-transform: uppercase; letter-spacing: 1px; }
.nav a { color: var(--text-2); }
.nav a:hover, .nav a[aria-current] { color: var(--amber); text-decoration: none; }

/* type */
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.05; letter-spacing: .3px; margin: 0 0 .4em; }
h1 { font-size: clamp(42px, 7vw, 76px); text-transform: uppercase; }
h2 { font-size: clamp(30px, 4vw, 42px); text-transform: uppercase; }
h3 { font-size: 22px; text-transform: uppercase; letter-spacing: .6px; }
.eyebrow { font: 700 13px/1 var(--mono); color: var(--amber); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.lede { font-size: 20px; color: var(--text-2); max-width: 620px; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 10px; font: 700 17px/1 var(--display); text-transform: uppercase; letter-spacing: 1px; border: 1px solid var(--border); color: var(--text); background: var(--raised); }
.btn:hover { text-decoration: none; color: var(--text); border-color: var(--muted); }
.btn.primary { background: var(--amber); color: #15110B; border-color: var(--amber); }
.btn.primary:hover { background: var(--amber-hover); color: #15110B; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* hero */
.hero { padding-top: 72px; padding-bottom: 56px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero .shot { justify-self: center; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; padding-top: 40px; } }

/* the calculator mock in the hero */
.calc { width: 300px; background: var(--panel); border: 1px solid var(--border); border-radius: 28px; padding: 18px; box-shadow: 0 30px 80px rgba(0,0,0,.55); }
.calc .display { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; text-align: right; margin-bottom: 12px; }
.calc .expr { font: 14px var(--mono); color: var(--muted); }
.calc .val { font: 700 36px/1.2 var(--mono); color: var(--text); }
.calc .chips { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 10px; }
.calc .chip { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; font: 11px var(--mono); color: var(--text-2); }
.calc .chip b { color: var(--blue); font-weight: 700; }
.calc .keys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.calc .k { background: var(--raised); border-radius: 10px; height: 46px; display: grid; place-items: center; font: 700 18px var(--mono); color: var(--text); }
.calc .k.c { background: #FFB64D22; color: var(--amber); font: 700 13px var(--mono); }
.calc .k.op { background: var(--amber); color: #15110B; }

/* sections */
section { padding: 64px 0; border-top: 1px solid var(--border); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 860px) { .grid3, .grid2 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.card p { color: var(--text-2); margin: 0; }
.card .tag { font: 700 12px var(--mono); color: var(--amber); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }

/* the solve demo */
.solve { font-family: var(--mono); font-size: 15px; }
.solve .row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.solve .row:last-child { border-bottom: 0; }
.solve .k { color: var(--text-2); }
.solve .v { color: var(--text); }
.solve .v.well { color: var(--blue); }
.solve .v.ans { color: var(--amber); font-weight: 700; }

.cats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.cats span { font: 13px var(--mono); padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-2); background: var(--panel); }

/* pricing */
.plan h3 { display: flex; justify-content: space-between; align-items: baseline; }
.plan ul { list-style: none; padding: 0; margin: 14px 0 0; }
.plan li { padding: 7px 0 7px 26px; position: relative; color: var(--text-2); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--pass); font-weight: 700; }
.plan.pro { border-color: var(--amber); }

/* docs pages (privacy, terms, support) */
.doc { padding: 56px 0 72px; }
.doc h1 { font-size: clamp(36px, 5vw, 54px); }
.doc h2 { font-size: 26px; margin-top: 2em; }
.doc p, .doc li { color: var(--text-2); }
.doc strong { color: var(--text); }
.doc .updated { font: 13px var(--mono); color: var(--muted); }
.callout { background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--amber); border-radius: 10px; padding: 16px 20px; margin: 24px 0; }
.callout p { margin: 0; }
details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin: 10px 0; }
details summary { cursor: pointer; font: 600 19px var(--display); text-transform: uppercase; letter-spacing: .5px; color: var(--text); }
details[open] summary { color: var(--amber); }
details p { margin: 12px 0 0; }

/* footer */
footer { border-top: 1px solid var(--border); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer nav { display: flex; gap: 18px; }
footer a { color: var(--text-2); }
@media (max-width: 560px) {
  .nav a[href^="/#"], .nav a[href^="#"] { display: none; }
  .brand { font-size: 20px; }
}

/* How it works */
.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { display: flex; flex-direction: column; gap: 16px; }
.step img { width: 100%; height: auto; border-radius: 22px; border: 1px solid var(--border); box-shadow: 0 18px 40px rgba(0,0,0,.45); }
.step .num { font: 700 13px var(--mono); color: #15110B; background: var(--amber); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 10px; }
.step h3 { font-size: 21px; margin-bottom: 6px; }
.step p { color: var(--text-2); margin: 0; font-size: 16px; }
.well-txt { color: var(--blue); font-weight: 600; }
.ans-txt { color: var(--amber); font-weight: 600; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
.step > div { flex: 1; }
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step img { max-width: 280px; margin: 0 auto; border-radius: 18px; }
}

/* Why wells */
.why { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.why img { width: 100%; height: auto; max-width: 300px; justify-self: center; border-radius: 22px; border: 1px solid var(--border); box-shadow: 0 18px 40px rgba(0,0,0,.45); }
.reasons { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 14px; }
.reasons li { color: var(--text-2); padding-left: 18px; border-left: 3px solid var(--blue); }
.reasons b { color: var(--text); font-weight: 600; }
@media (max-width: 860px) { .why { grid-template-columns: 1fr; gap: 32px; } .why img { max-width: 280px; } }

/* Every screen */
.devs { display: grid; grid-template-columns: 1.15fr 1fr .72fr; gap: 28px; margin-top: 32px; align-items: start; }
.dev { min-height: 0; }
.dev figcaption { min-height: 5.2em; }
.dev { margin: 0; display: flex; flex-direction: column; gap: 16px; }
.dev figcaption { color: var(--text-2); font-size: 16px; max-width: 46ch; }
.dev figcaption b { color: var(--text); }
.dev img { width: 100%; height: auto; border-radius: 26px; border: 1px solid var(--border); box-shadow: 0 18px 40px rgba(0,0,0,.45); }
.dev.phone img { max-width: 300px; }
.dev.mac img { border-radius: 12px; border: 0; }
@media (max-width: 980px) { .devs { grid-template-columns: 1fr 1fr; } .dev.mac { grid-column: 1 / -1; } .dev.mac img { max-width: 560px; } }
@media (max-width: 640px) { .devs { grid-template-columns: 1fr; } .dev figcaption { min-height: 0; } .dev.phone img { max-width: 260px; } }