/* oztak.au: orange on black, light + dark (system default, toggle remembered), Geist (OFL, self-hosted). Mobile first. */
@font-face { font-family: "Geist"; src: url("/fonts/Geist-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/fonts/GeistMono-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --bg: #0A0A0A;
  --bg-2: #111111;
  --card: #151515;
  --ink: #F5F2EE;
  --muted: #A19D97;
  --line: #262422;
  --line-2: #34302C;
  --orange: #FF6B1A;        /* fills: buttons, marks, lines */
  --orange-2: #FF8A45;
  --orange-text: #FF8A45;   /* orange used as text on the page background */
  --on-orange: #0A0A0A;
  --glow: rgba(255, 107, 26, .22);
  --grid: rgba(255, 255, 255, .05);
  --field: #0E0E0E;
  --ok: #7FD69A;
  --err: #FF9C8A;
  --shadow: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 20px 40px -24px rgba(0, 0, 0, .8);
  --r: 14px;
  --sans: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #FAF8F5; --bg-2: #F2EEE8; --card: #FFFFFF; --ink: #121110; --muted: #5C5853; --line: #E4DED5; --line-2: #D6CEC3;
    --orange: #FF6B1A; --orange-2: #F25A05; --orange-text: #C2410C; --on-orange: #0A0A0A; --glow: rgba(255, 107, 26, .18);
    --grid: rgba(0, 0, 0, .05); --field: #FFFFFF; --ok: #1F7A3E; --err: #B42318;
    --shadow: 0 1px 2px rgba(20, 15, 10, .05), 0 20px 40px -28px rgba(60, 30, 0, .35);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #FAF8F5; --bg-2: #F2EEE8; --card: #FFFFFF; --ink: #121110; --muted: #5C5853; --line: #E4DED5; --line-2: #D6CEC3;
  --orange: #FF6B1A; --orange-2: #F25A05; --orange-text: #C2410C; --on-orange: #0A0A0A; --glow: rgba(255, 107, 26, .18);
  --grid: rgba(0, 0, 0, .05); --field: #FFFFFF; --ok: #1F7A3E; --err: #B42318;
  --shadow: 0 1px 2px rgba(20, 15, 10, .05), 0 20px 40px -28px rgba(60, 30, 0, .35);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-text-size-adjust: 100%; overflow-x: hidden; transition: background-color .3s, color .3s; }
img, svg { max-width: 100%; display: block; }
a { color: var(--orange-text); text-underline-offset: 3px; }
::selection { background: var(--orange); color: var(--on-orange); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 10; background: var(--orange); color: var(--on-orange); padding: 8px 12px; border-radius: 8px; }
.preview-ribbon { margin: 0; padding: 6px 16px; background: var(--orange); color: var(--on-orange); font: 600 13px/1.4 var(--mono); text-align: center; letter-spacing: .04em; text-transform: uppercase; }

/* brand */
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 28px; height: 28px; color: var(--orange); }
.brand-word { font: 700 21px/1 var(--sans); letter-spacing: -.02em; }
.brand-word b { color: var(--orange); font-weight: 700; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.top nav { display: flex; gap: 6px; align-items: center; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.top nav a:not(.nav-cta) { display: none; }
.top nav a:hover { color: var(--ink); background: var(--bg-2); }
.top nav .nav-cta { color: var(--on-orange); background: var(--orange); font-weight: 600; padding: 9px 16px; }
.top nav .nav-cta:hover { color: var(--on-orange); background: var(--orange-2); }
@media (min-width: 860px) { .top nav a:not(.nav-cta) { display: inline; } }
.theme-btn { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; transition: border-color .2s, color .2s; }
.theme-btn:hover { border-color: var(--orange); color: var(--orange); }
.theme-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-btn .i-sun { display: none; }
:root[data-theme="dark"] .theme-btn .i-sun { display: block; }
:root[data-theme="dark"] .theme-btn .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .i-sun { display: block; }
  :root:not([data-theme="light"]) .theme-btn .i-moon { display: none; }
}

/* type */
h1, h2, h3 { line-height: 1.08; letter-spacing: -.03em; margin: 0; }
h1 { font-size: clamp(40px, 7.4vw, 84px); font-weight: 680; max-width: 13ch; }
h1 em { font-style: normal; background: linear-gradient(100deg, var(--orange) 10%, var(--orange-2) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 650; max-width: 18ch; }
h3 { font-size: 19px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 8px; }
p { margin: 0 0 12px; }
.lede { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 46ch; margin-top: 24px; }
.intro { color: var(--muted); max-width: 52ch; margin-top: 18px; font-size: 18px; }
.eyebrow, .kicker { font: 500 13px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--orange-text); margin: 0 0 18px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--muted); }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px var(--glow); animation: pulse 2.4s ease-in-out infinite; }

section { padding: 80px 0; position: relative; }
.band { background: var(--bg-2); border-block: 1px solid var(--line); }
@media (min-width: 900px) { section { padding: 128px 0; } }
.sec-head { margin-bottom: 48px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--orange); color: var(--on-orange); border: 0; border-radius: 999px; padding: 15px 26px; font: 600 16px/1 var(--sans); text-decoration: none; cursor: pointer; transition: transform .2s, background .2s, box-shadow .2s; box-shadow: 0 10px 30px -10px var(--glow); }
.btn:hover { background: var(--orange-2); transform: translateY(-1px); box-shadow: 0 14px 36px -10px var(--orange); }
.btn span { transition: transform .2s; }
.btn:hover span { transform: translateX(3px); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn.ghost:hover { box-shadow: inset 0 0 0 1px var(--orange); color: var(--orange-text); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

/* hero */
.hero { padding: 64px 0 72px; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-bg .grid { position: absolute; inset: 0; background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 80% 70% at 70% 35%, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 35%, #000 20%, transparent 75%); }
.hero-bg .glow { position: absolute; width: 760px; height: 760px; right: -220px; top: -220px; background: radial-gradient(circle, var(--glow), transparent 62%); filter: blur(10px); }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero { padding: 96px 0 104px; } .hero-grid { grid-template-columns: 1.25fr 1fr; } }

/* radar mark */
.hero-mark { position: relative; width: min(420px, 82vw); aspect-ratio: 1; margin-inline: auto; color: var(--orange); }
.hero-mark .rings span { position: absolute; inset: 0; border: 1px solid var(--line-2); border-radius: 50%; }
.hero-mark .rings span:nth-child(2) { inset: 17%; }
.hero-mark .rings span:nth-child(3) { inset: 34%; border-color: color-mix(in srgb, var(--orange) 40%, var(--line-2)); }
.hero-mark .sweep { position: absolute; inset: 0; width: 100%; height: 100%; animation: spin 6s linear infinite; transform-origin: 50% 50%; }
.hero-mark .reticle { position: absolute; inset: 34%; width: 32%; height: 32%; filter: drop-shadow(0 0 22px var(--glow)); }
.blip { position: absolute; width: 10px; height: 10px; margin: -5px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 6px var(--glow); animation: pulse 2.4s ease-in-out infinite; }
.b1 { left: 74%; top: 26%; } .b2 { left: 22%; top: 64%; animation-delay: .8s; } .b3 { left: 66%; top: 78%; animation-delay: 1.6s; }

.facts { margin: 64px 0 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.facts > div { background: var(--bg); padding: 24px; }
.facts dt { font: 500 12.5px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.facts dd { margin: 0; }
.facts dd:not(.note) { font: 650 clamp(30px, 4vw, 40px)/1.1 var(--sans); letter-spacing: -.03em; color: var(--orange-text); margin: 8px 0 6px; }
.facts dd.note { font-size: 15px; color: var(--muted); }
@media (min-width: 760px) { .facts { grid-template-columns: repeat(3, 1fr); } }

/* cards */
.cards { display: grid; gap: 16px; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: var(--shadow); position: relative; overflow: hidden; transition: border-color .25s, transform .25s; }
.card::after { content: ""; position: absolute; inset: auto -40% -60% auto; width: 220px; height: 220px; background: radial-gradient(circle, var(--glow), transparent 65%); opacity: 0; transition: opacity .3s; }
.card:hover { border-color: color-mix(in srgb, var(--orange) 55%, var(--line)); transform: translateY(-3px); }
.card:hover::after { opacity: 1; }
.card p { color: var(--muted); margin: 0; }
.ic { width: 44px; height: 44px; padding: 10px; margin-bottom: 22px; border-radius: 12px; background: color-mix(in srgb, var(--orange) 14%, transparent); color: var(--orange-text); fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* how */
.how-grid { display: grid; gap: 48px; }
@media (min-width: 900px) { .how-grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; } }
.how-grid .sec-head { margin-bottom: 32px; }
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 26px 60px; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 0; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--orange); color: var(--orange-text); font: 600 13px/1 var(--mono); background: var(--bg-2); }
.steps li::after { content: ""; position: absolute; left: 20px; top: 44px; bottom: 4px; width: 1px; background: linear-gradient(var(--orange), transparent); opacity: .5; }
.steps li:last-child { padding-bottom: 0; }
.steps li:last-child::after { display: none; }
.steps strong { display: block; font-size: 18px; margin-bottom: 2px; padding-top: 7px; }
.steps span { color: var(--muted); }
.diagram { margin: 0; padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.diagram svg { width: 100%; height: auto; }
.d-box rect, .d-band rect { fill: var(--bg-2); stroke: var(--line-2); stroke-width: 1.5; rx: 10; }
.d-key rect { stroke: var(--orange); fill: color-mix(in srgb, var(--orange) 10%, var(--bg-2)); }
.d-ghost rect { fill: none; stroke-dasharray: 5 4; }
.d-band rect { fill: color-mix(in srgb, var(--orange) 8%, var(--bg-2)); }
.diagram text { fill: var(--ink); font: 600 15px var(--sans); text-anchor: middle; }
.diagram .d-sub { fill: var(--muted); font: 400 12.5px var(--mono); }
.d-line { stroke: var(--orange); stroke-width: 1.6; fill: none; }
.d-dash { stroke-dasharray: 4 4; }
.d-flow { stroke-dasharray: 5 5; animation: flow 1.2s linear infinite; }

/* trust */
.trust-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.trust-grid > div { background: var(--bg); padding: 32px 28px; position: relative; }
.trust-grid > div::before { content: ""; position: absolute; left: 28px; top: 0; width: 40px; height: 2px; background: var(--orange); }
.trust-grid p { color: var(--muted); margin: 0; }
@media (min-width: 700px) { .trust-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }

/* contact + form */
.split { display: grid; gap: 40px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1.2fr; gap: 72px; align-items: start; } }
.form { display: grid; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; box-shadow: var(--shadow); }
@media (min-width: 600px) { .form { padding: 32px; } }
.form .two { display: grid; gap: 16px; }
@media (min-width: 600px) { .form .two { grid-template-columns: 1fr 1fr; } }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 500; color: var(--muted); }
.form .opt { font-weight: 400; font-size: 13px; }
.form input, .form select, .form textarea { font: 16px/1.4 var(--sans); color: var(--ink); background: var(--field); border: 1px solid var(--line-2); border-radius: 10px; padding: 12px 14px; width: 100%; transition: border-color .2s, box-shadow .2s; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 4px var(--glow); }
.form textarea { min-height: 130px; resize: vertical; }
.form .btn { justify-self: start; }
.form .hp { position: absolute; left: -9999px; }
#enq-msg { min-height: 1.5em; margin: 0; font-size: 15px; }
#enq-msg.ok { color: var(--ok); }
#enq-msg.err { color: var(--err); }
.fine { font-size: 13.5px; color: var(--muted); margin: 0; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 48px 0 64px; font-size: 14px; color: var(--muted); }
.foot-in { display: grid; gap: 12px; }
.foot p { margin: 0; }
.foot a:not(.brand) { color: var(--muted); }
.foot a:not(.brand):hover { color: var(--orange-text); }

/* motion */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 4px var(--glow); } 50% { box-shadow: 0 0 0 10px transparent; } }
@keyframes flow { to { stroke-dashoffset: -10; } }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}