/* Defending AI Agents: site styles. */

@font-face { font-family: "Archivo"; src: url("fonts/archivo-latin.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/inter-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/plex-mono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/plex-mono-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Heebo"; src: url("fonts/heebo-hebrew.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0590-05FF, U+200C-2010, U+20AA, U+25CC, U+FB1D-FB4F; }
@font-face { font-family: "Rubik"; src: url("fonts/rubik-hebrew.woff2") format("woff2"); font-weight: 300 900; font-display: swap; unicode-range: U+0590-05FF, U+200C-2010, U+20AA, U+25CC, U+FB1D-FB4F; }
@font-face { font-family: "Rubik"; src: url("fonts/rubik-latin.woff2") format("woff2"); font-weight: 300 900; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --bg: #e8e6df;
  --bg-2: #dfddd5;
  --fg: #0b0b0a;
  --fg-2: #2c2b28;
  --dim: #66645d;
  --line: rgba(11, 11, 10, 0.14);
  --line-2: rgba(11, 11, 10, 0.3);
  --sig: #ff4a12;
  --on-sig: #0b0b0a;

  --display: "Archivo", "Rubik", "Helvetica Neue", Arial, sans-serif;
  --sans: "Inter", "Heebo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Plex Mono", "Heebo", ui-monospace, "SF Mono", Menlo, monospace;
  --pad: 16px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #060606;
    --bg-2: #0d0d0c;
    --fg: #f1efe9;
    --fg-2: #cfccc3;
    --dim: #8a877f;
    --line: rgba(241, 239, 233, 0.12);
    --line-2: rgba(241, 239, 233, 0.28);
    --sig: #ff5a1f;
    --on-sig: #060606;
  }
}
@media (min-width: 720px) { :root { --pad: 28px; } }
:lang(he) {
  --display: "Rubik", "Archivo", Arial, sans-serif;
  --sans: "Heebo", "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: "Heebo", "Inter", ui-sans-serif, system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
}
:lang(he) body, body:lang(he) { font-size: 17px; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--sig); outline-offset: 3px; }
::selection { background: var(--sig); color: var(--on-sig); }
.ltr { direction: ltr; unicode-bidi: isolate; }

/* Micro labels */
.label { font: 500 11.5px/1.4 var(--mono); letter-spacing: 0.07em; text-transform: uppercase; color: var(--dim); }
:lang(he) .label { letter-spacing: 0; font-size: 13.5px; font-weight: 500; }
@media (hover: none) { .kbd { display: none !important; } }
.kbd { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px; border: 1px solid var(--line-2); border-radius: 4px; font: 500 11px var(--mono); opacity: .7; margin-inline-start: 8px; }

.skip { position: absolute; top: 10px; inset-inline-start: 10px; z-index: 100; background: var(--fg); color: var(--bg); padding: 8px 12px; clip-path: inset(50%); width: 1px; height: 1px; overflow: hidden; white-space: nowrap; }
.skip:focus { clip-path: none; width: auto; height: auto; }

/* Top bar */
.top { position: fixed; inset-inline: 0; top: 0; z-index: 50; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; padding: 16px var(--pad); transition: background-color .25s ease, border-color .25s ease; border-bottom: 1px solid transparent; }
.top.scrolled { background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); }
.brand svg { width: 22px; height: 22px; flex: none; }
.brand .label { color: var(--fg); }
.top nav { display: flex; gap: 28px; }
.top nav a { text-decoration: none; }
.top nav a:hover, .top .lang:hover { color: var(--fg); }
.top .end { justify-self: end; display: flex; align-items: center; gap: 18px; }
.top .lang { text-decoration: none; }
.btn { display: inline-flex; align-items: center; gap: 4px; background: var(--fg); color: var(--bg); text-decoration: none; padding: 9px 10px 9px 14px; border-radius: 6px; font: 500 11.5px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; transition: background-color .15s ease, color .15s ease; }
:lang(he) .btn { padding: 9px 14px 9px 10px; letter-spacing: 0; font-size: 13.5px; }
.btn:hover { background: var(--sig); color: var(--on-sig); }
@media (max-width: 860px) { .top nav { display: none; } .top { grid-template-columns: 1fr auto; } }
@media (max-width: 520px) { .top .lang { display: none; } }

/* Hero */
.hero { position: relative; height: 100svh; min-height: 640px; overflow: hidden; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero .kicker { position: absolute; z-index: 2; inset-inline-start: var(--pad); top: 92px; display: flex; align-items: center; gap: 10px; }
.hero .kicker i { width: 7px; height: 7px; background: var(--sig); display: inline-block; flex: none; }
.hero .word { position: absolute; z-index: 2; inset-inline: var(--pad); bottom: 24px; display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; align-items: end; }
.hero h1 { margin: 0; font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(40px, 7.9vw, 150px); line-height: .84; letter-spacing: -0.045em; text-transform: uppercase; }
.hero h1 span { display: block; }
:lang(he) .hero h1 { font-weight: 800; letter-spacing: -0.01em; line-height: .95; font-size: clamp(48px, 9.4vw, 172px); }
.hero .side { min-width: 0; padding-bottom: 8px; }
.hero .side p { margin: 0 0 18px; color: var(--fg-2); font-size: 15px; line-height: 1.55; }
.readout { display: grid; grid-template-columns: repeat(4, auto); justify-content: space-between; gap: 10px; border-top: 1px solid var(--line-2); padding-top: 12px; }
.readout b { display: block; margin-top: 4px; font: 500 14px var(--mono); color: var(--fg); letter-spacing: 0; text-transform: none; }
.readout b.s { color: var(--sig); }
@media (max-width: 860px) {
  .hero .word { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .hero h1 { font-size: 12vw; }
  :lang(he) .hero h1 { font-size: 15vw; }
  .hero .kicker { top: 76px; inset-inline-end: var(--pad); }
  .readout { grid-template-columns: repeat(2, auto); justify-content: start; column-gap: 48px; }
}

/* Sections */
main > section { padding: 120px var(--pad); border-top: 1px solid var(--line); }
@media (max-width: 719px) { main > section { padding: 80px var(--pad); } }
.sec-head { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; margin-bottom: 64px; }
.sec-head .label { padding-top: 10px; }
.sec-head .label em { font-style: normal; color: var(--sig); margin-inline-end: 10px; }
h2 { margin: 0; font-family: var(--display); font-stretch: 112%; font-weight: 700; font-size: clamp(34px, 4.6vw, 72px); line-height: .98; letter-spacing: -0.035em; text-wrap: balance; max-width: 18ch; }
:lang(he) h2 { letter-spacing: -0.005em; line-height: 1.08; font-weight: 700; }
.sec-head p { margin: 22px 0 0; max-width: 38rem; color: var(--fg-2); font-size: 17px; text-wrap: pretty; }
.indent { margin-inline-start: calc(220px + 24px); }
@media (max-width: 899px) { .sec-head { grid-template-columns: 1fr; gap: 18px; } .indent { margin-inline-start: 0; } }

/* Twins */
.twins { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-2); }
.twin { padding: 22px 22px 8px 0; border-inline-end: 1px solid var(--line); }
.twin + .twin { padding-inline-start: 22px; }
.twin:last-child { border-inline-end: 0; }
.twin h3 { margin: 18px 0 10px; font: 600 19px/1.25 var(--sans); letter-spacing: -0.01em; }
.twin p { margin: 0; color: var(--fg-2); font-size: 15px; }
@media (max-width: 1000px) { .twins { grid-template-columns: repeat(2, minmax(0, 1fr)); } .twin:nth-child(2) { border-inline-end: 0; } .twin:nth-child(3) { padding-inline-start: 0; } .twin:nth-child(n+3) { border-top: 1px solid var(--line); } }
@media (max-width: 560px) { .twins { grid-template-columns: 1fr; } .twin, .twin + .twin { padding-inline: 0; border-inline-end: 0; } .twin + .twin { border-top: 1px solid var(--line); } }

/* Calculator */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); border: 1px solid var(--line-2); }
.calc-controls { padding: 28px; display: grid; gap: 30px; align-content: space-around; border-inline-end: 1px solid var(--line-2); }
.calc-out { padding: 28px; display: grid; gap: 26px; align-content: start; background: var(--bg-2); }
@media (max-width: 899px) { .calc { grid-template-columns: 1fr; } .calc-controls { border-inline-end: 0; border-bottom: 1px solid var(--line-2); } }
.field label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.field output { font: 500 22px var(--mono); color: var(--fg); direction: ltr; unicode-bidi: isolate; letter-spacing: -0.01em; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; margin: 0; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(to var(--dir, right), var(--fg) var(--fill, 50%), var(--line-2) var(--fill, 50%)); }
input[type="range"]::-moz-range-track { height: 2px; background: var(--line-2); }
input[type="range"]::-moz-range-progress { height: 2px; background: var(--fg); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; margin-top: -6px; background: var(--sig); border: 0; border-radius: 0; }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; background: var(--sig); border: 0; border-radius: 0; }
:lang(he) input[type="range"] { --dir: left; }
.big { font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(72px, 10vw, 156px); line-height: .85; letter-spacing: -0.05em; color: var(--sig); direction: ltr; unicode-bidi: isolate; display: inline-block; margin-top: 10px; }
.calc-sentence { margin: 0; font-size: 17px; color: var(--fg-2); max-width: 34rem; text-wrap: pretty; }
.calc-sentence strong { color: var(--fg); font-weight: 600; }
.stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-2); }
.stat { padding: 14px 0; }
.stat + .stat { border-inline-start: 1px solid var(--line); padding-inline-start: 18px; }
.stat .v { display: block; font: 500 26px var(--mono); letter-spacing: -0.02em; margin-top: 4px; direction: ltr; unicode-bidi: isolate; }
:lang(he) .stat .v { text-align: right; }
.alerts { display: grid; grid-template-columns: repeat(20, 1fr); gap: 4px; }
.alerts i { aspect-ratio: 1; border: 1px solid var(--line-2); transition: background-color .2s ease, border-color .2s ease; }
.alerts i.on { background: var(--sig); border-color: var(--sig); }
.alerts-key { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 10px; }
.alerts-key span::before { content: ""; display: inline-block; width: 9px; height: 9px; border: 1px solid var(--line-2); margin-inline-end: 7px; vertical-align: -1px; }
.alerts-key span.real::before { background: var(--sig); border-color: var(--sig); }
.alerts-key span.alerts-note::before { display: none; }

/* Build list */
.build { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; border-top: 1px solid var(--line-2); }
.build li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
@media (max-width: 760px) { .build { grid-template-columns: 1fr; } }

/* Scale */
.scale { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.scale > div { padding: 28px 28px 32px 0; }
.scale > div + div { padding-inline-start: 28px; border-inline-start: 1px solid var(--line-2); }
.scale .num { display: block; font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(64px, 9vw, 140px); line-height: .85; letter-spacing: -0.05em; margin: 18px 0 20px; direction: ltr; unicode-bidi: isolate; }
.scale .num small { font-size: .32em; letter-spacing: -0.02em; margin-inline-start: .15em; }
.scale > div + div .num { color: var(--sig); }
:lang(he) .scale .num { text-align: right; }
.scale p { margin: 0; color: var(--fg-2); max-width: 30rem; }
.scale p strong { color: var(--fg); font-weight: 600; }
@media (max-width: 760px) { .scale { grid-template-columns: 1fr; } .scale > div { padding-inline: 0; } .scale > div + div { padding-inline-start: 0; border-inline-start: 0; border-top: 1px solid var(--line-2); } }

/* Curriculum */
.parts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-2); }
.part { padding: 20px 20px 0 0; border-inline-end: 1px solid var(--line); }
.part + .part { padding-inline-start: 20px; }
.part:last-child { border-inline-end: 0; }
.part h3 { margin: 10px 0 18px; font: 600 20px/1.2 var(--sans); letter-spacing: -0.01em; }
.part ol { list-style: none; margin: 0; padding: 0; }
.part li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 8px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 15px; color: var(--fg-2); }
.capstone { display: grid; grid-template-columns: 220px minmax(0, 1fr) auto; gap: 24px; align-items: baseline; margin-top: 40px; padding: 24px 0; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.capstone strong { font: 600 20px/1.3 var(--sans); }
.capstone span.d { color: var(--fg-2); }
@media (max-width: 1000px) { .parts { grid-template-columns: repeat(2, minmax(0, 1fr)); } .part:nth-child(2) { border-inline-end: 0; } .part:nth-child(3) { padding-inline-start: 0; } .part:nth-child(n+3) { border-top: 1px solid var(--line-2); margin-top: 24px; } }
@media (max-width: 620px) { .parts { grid-template-columns: 1fr; } .part, .part + .part { padding-inline: 0; border-inline-end: 0; } .part + .part { border-top: 1px solid var(--line-2); margin-top: 24px; } .capstone { grid-template-columns: 1fr; gap: 8px; } }

/* Certificate */
.cert { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.cert > div { padding: 28px 28px 36px 0; }
.cert > div + div { padding-inline-start: 28px; border-inline-start: 1px solid var(--line-2); }
.cert .price { display: block; font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(56px, 7vw, 112px); line-height: .85; letter-spacing: -0.05em; text-transform: uppercase; margin: 18px 0 8px; }
.cert > div + div .price { color: var(--sig); }
:lang(he) .cert .price { letter-spacing: -0.01em; }
.cert h3 { margin: 0 0 22px; font: 600 19px/1.3 var(--sans); }
.cert h3 small { display: block; font: 400 14px var(--sans); color: var(--dim); margin-top: 4px; }
.cert ul { list-style: none; margin: 0; padding: 0; }
.cert li { padding: 11px 0; border-top: 1px solid var(--line); color: var(--fg-2); display: grid; grid-template-columns: 22px minmax(0, 1fr); }
.cert li::before { content: ""; width: 7px; height: 7px; background: var(--fg); margin-top: 9px; }
.cert > div + div li::before { background: var(--sig); }
@media (max-width: 760px) { .cert { grid-template-columns: 1fr; } .cert > div { padding-inline: 0; } .cert > div + div { padding-inline-start: 0; border-inline-start: 0; border-top: 1px solid var(--line-2); } }

/* FAQ */
.faq { border-top: 1px solid var(--line-2); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 1fr) 24px; gap: 16px; padding: 22px 0; font: 500 19px/1.35 var(--sans); letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 24px/1 var(--mono); color: var(--dim); justify-self: end; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--sig); }
.faq details p { margin: -6px 0 24px; max-width: 46rem; color: var(--fg-2); }

/* Closing call */
.cta { padding-top: 140px; padding-bottom: 140px; }
.cta .big-link { display: block; margin: 0; font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(44px, 9vw, 168px); line-height: .86; letter-spacing: -0.05em; text-transform: uppercase; }
:lang(he) .cta .big-link { letter-spacing: -0.01em; line-height: .98; }

/* Waitlist form */
.wl { position: relative; margin-top: 56px; max-width: 980px; }
.wl > .label { display: block; margin-bottom: 10px; }
.wl-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 16px; border-bottom: 2px solid var(--fg); transition: border-color .15s ease; }
.wl-row:focus-within { border-color: var(--sig); }
.wl input[type="email"] { min-width: 0; width: 100%; border: 0; border-radius: 0; background: transparent; color: var(--fg); padding: 6px 0 12px; font: 500 clamp(24px, 3.6vw, 48px)/1.1 var(--sans); letter-spacing: -0.02em; text-align: left; }
.wl input[type="email"]::placeholder { color: var(--dim); opacity: 1; }
.wl input[type="email"]:focus { outline: none; }
:lang(he) .wl input[type="email"]:placeholder-shown { text-align: right; }
.wl button { margin-bottom: 12px; display: inline-flex; align-items: center; gap: 10px; border: 0; border-radius: 6px; cursor: pointer; background: var(--sig); color: var(--on-sig); padding: 16px 22px; font: 500 14px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; transition: background-color .15s ease, color .15s ease, opacity .15s ease; }
:lang(he) .wl button { font: 600 16px/1 var(--sans); letter-spacing: 0; }
.wl button:hover { background: var(--fg); color: var(--bg); }
.wl button .arrow { display: inline-block; transition: transform .25s ease; }
.wl button:hover .arrow { transform: translateX(.2em); }
:lang(he) .wl button .arrow { transform: scaleX(-1); }
:lang(he) .wl button:hover .arrow { transform: scaleX(-1) translateX(.2em); }
.wl[aria-busy="true"] button { opacity: .55; cursor: progress; }
.wl-hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.wl-status { min-height: 1.5em; margin: 14px 0 0; font: 500 15px/1.5 var(--sans); color: var(--fg-2); }
.wl-status[data-state="ok"] { color: var(--fg); }
.wl-status[data-state="ok"]::before { content: ""; display: inline-block; width: 9px; height: 9px; margin-inline-end: 10px; background: var(--sig); border-radius: 50%; vertical-align: 1px; }
.wl-status[data-state="invalid"], .wl-status[data-state="busy"], .wl-status[data-state="error"] { color: var(--sig); }
.wl.done .wl-row { border-color: var(--line-2); }
/* Messages for a visit without scripts: the server returns to #wl-<outcome>. */
.wl-note { display: none; margin: 14px 0 0; font: 500 15px/1.5 var(--sans); color: var(--sig); }
.wl-note[data-state="ok"] { color: var(--fg); }
.no-js .wl-note:target { display: block; }
@media (max-width: 559px) {
  .wl-row { grid-template-columns: 1fr; gap: 4px; border-bottom: 0; }
  .wl input[type="email"] { border-bottom: 2px solid var(--fg); }
  .wl-row:focus-within input[type="email"] { border-color: var(--sig); }
  .wl button { margin: 14px 0 0; justify-content: center; padding: 18px 22px; }
}
.cta .fine { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line-2); }
.cta .fine p { margin: 0; color: var(--fg-2); max-width: 38rem; }
@media (max-width: 899px) { .cta .fine { grid-template-columns: 1fr; gap: 8px; } }

/* Footer */
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 22px var(--pad) 28px; border-top: 1px solid var(--line); }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--fg); }

/* 404 */
.nf { min-height: 100svh; display: grid; align-content: end; padding: 120px var(--pad) 40px; position: relative; overflow: hidden; }
.nf canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.nf > *:not(canvas) { position: relative; z-index: 2; }
.nf h1 { margin: 16px 0 28px; font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(44px, 9vw, 160px); line-height: .86; letter-spacing: -0.05em; text-transform: uppercase; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }