:root {
  color-scheme: dark;
  --bg: #080d18;
  --surface: #101827;
  --surface-2: #141f31;
  --line: rgba(179, 203, 237, .14);
  --text: #f5f7fb;
  --muted: #a5b1c5;
  --soft: #718097;
  --blue: #4b9dff;
  --blue-strong: #237bea;
  --gold: #f3c766;
  --max: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: rgba(75, 157, 255, .34); color: #fff; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -70px; z-index: 200; background: #fff; color: #08111f; padding: 8px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-shell { overflow: clip; background: radial-gradient(circle at 77% 7%, rgba(21, 70, 134, .25), transparent 24%), radial-gradient(circle at 8% 34%, rgba(24, 91, 162, .07), transparent 28%), var(--bg); }

/* Navigation */
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(177, 204, 240, .1); background: rgba(7, 12, 22, .88); backdrop-filter: blur(20px); box-shadow: 0 10px 28px rgba(0, 0, 0, .16); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 80px; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 9px; flex: none; text-decoration: none; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.brand-name { font-size: 20px; font-weight: 760; letter-spacing: -.055em; white-space: nowrap; line-height: 1; }
.brand-name > span { color: var(--blue); }
.brand-name b { color: var(--gold); font-weight: 800; }
.brand-plus { display: inline-block; margin-left: .02em; font-family: Arial, sans-serif; font-weight: 900; -webkit-text-stroke: .025em currentColor; transform: scale(1.12, .84); }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav > a { text-decoration: none; font-size: 13px; font-weight: 600; color: #b5c0d1; transition: color .2s; white-space: nowrap; }
.main-nav > a:hover { color: #fff; }
.main-nav .nav-cta { display: inline-flex; align-items: center; gap: 12px; padding: 10px 17px; border: 1px solid rgba(92, 162, 255, .5); border-radius: 9px; color: #eaf3ff; background: rgba(37, 123, 234, .12); }
.main-nav .nav-cta:hover { background: rgba(37, 123, 234, .24); }
.menu-toggle { display: none; border: 1px solid var(--line); background: #111b2a; width: 43px; height: 40px; border-radius: 9px; cursor: pointer; padding: 9px; }
.menu-toggle span { display: block; width: 100%; height: 2px; background: #e8efff; border-radius: 2px; margin: 4px 0; }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, .89fr) minmax(0, 1.11fr); align-items: center; gap: 32px; min-height: 700px; padding-block: 86px 90px; }
.hero-copy { position: relative; z-index: 3; padding-bottom: 10px; }
.eyebrow, .kicker { color: var(--gold); font-size: 11px; font-weight: 780; letter-spacing: .18em; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 13px; border: 1px solid rgba(243, 199, 102, .22); border-radius: 999px; background: rgba(243, 199, 102, .07); }
.signal-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 0 4px rgba(243, 199, 102, .11); }
.hero h1 { max-width: 620px; margin: 27px 0 21px; font-size: clamp(46px, 4.35vw, 66px); font-weight: 780; letter-spacing: -.073em; line-height: .99; }
.hero-line { display: inline; }
.hero h1 .playlist-word { color: var(--blue); }
.hero h1 .hero-impact { color: var(--gold); }
.hero-lead { max-width: 538px; color: #b4c0d1; font-size: 17px; line-height: 1.72; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 19px; min-height: 49px; border-radius: 10px; text-decoration: none; font-size: 14px; font-weight: 720; padding: 0 19px; transition: transform .2s, box-shadow .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(125deg, #418ff5, #186bd9); box-shadow: 0 14px 32px rgba(20, 101, 222, .26); }
.button-primary:hover { box-shadow: 0 17px 39px rgba(20, 101, 222, .4); }
.button-ghost { color: #e2eaf7; background: rgba(255, 255, 255, .035); border: 1px solid var(--line); }
.button-ghost:hover { background: rgba(255, 255, 255, .065); border-color: rgba(183, 205, 235, .33); }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 35px; color: #8d9eb6; font-size: 12px; }
.hero-points span { display: inline-flex; align-items: center; gap: 8px; }
.hero-points span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 3px rgba(75, 157, 255, .12); }
.hero-visual { min-width: 0; position: relative; padding: 15px 0 38px 12px; perspective: 1200px; }
.hero-brand-lockup { position: relative; z-index: 3; display: flex; align-items: center; gap: 18px; width: fit-content; margin: 0 0 24px 7px; padding: 13px 23px 15px 13px; border: 1px solid rgba(243, 199, 102, .3); border-left: 3px solid var(--gold); border-radius: 16px; background: linear-gradient(110deg, rgba(21, 38, 64, .96), rgba(12, 21, 36, .76)); box-shadow: 0 16px 35px rgba(0, 0, 0, .24), 0 0 26px rgba(243, 199, 102, .07); animation: brand-breathe 6s ease-in-out infinite; }
.hero-brand-lockup img { width: 82px; height: 82px; object-fit: contain; filter: drop-shadow(0 9px 18px rgba(16, 117, 255, .34)); }
.hero-brand-lockup > span { display: grid; gap: 4px; }
.hero-brand-name { color: #f4f7fc; font-size: 42px; font-weight: 800; letter-spacing: -.065em; line-height: 1; }
.hero-brand-ar { color: var(--blue); }
.hero-brand-ia { color: var(--gold); font-size: .86em; font-weight: 850; letter-spacing: -.04em; }
.hero-brand-lockup small { color: #b5c4d9; font-size: 13px; letter-spacing: .015em; }
.hero-brand-below { margin: 18px auto 0; }
.hero-visual::before { content: ""; position: absolute; width: 570px; height: 570px; border-radius: 50%; left: 52%; top: 43%; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(41, 105, 212, .2), rgba(32, 67, 143, .065) 44%, transparent 70%); filter: blur(12px); pointer-events: none; }
.orbit { position: absolute; border: 1px solid rgba(89, 148, 245, .1); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 600px; height: 600px; top: -54px; right: -65px; }
.orbit-two { width: 470px; height: 470px; top: 12px; right: -3px; border-style: dashed; opacity: .65; }
.desktop { position: relative; z-index: 1; width: 100%; min-width: 0; transform: rotateY(-8deg) rotateX(3deg); filter: drop-shadow(0 34px 42px rgba(0, 0, 0, .47)); }
@keyframes brand-breathe { 0%, 100% { box-shadow: 0 16px 35px rgba(0, 0, 0, .24), 0 0 26px rgba(243, 199, 102, .07); } 50% { box-shadow: 0 19px 39px rgba(0, 0, 0, .28), 0 0 34px rgba(243, 199, 102, .13); } }
.desktop-frame { width: 100%; min-width: 0; padding: 10px; border: 1px solid rgba(161, 185, 226, .32); border-radius: 18px; background: linear-gradient(155deg, #202a3b, #0b111c 60%); box-shadow: inset 0 1px rgba(255, 255, 255, .09), 0 0 0 5px rgba(91, 132, 193, .06); }
.desktop-top { height: 23px; display: flex; align-items: center; gap: 5px; padding: 0 6px 7px; color: #7892b0; font-size: 7px; letter-spacing: .18em; }
.desktop-top span { width: 5px; height: 5px; border-radius: 50%; background: #3a526d; }
.desktop-top span:first-child { background: var(--gold); }
.desktop-top b { margin-left: auto; font-weight: 650; }
.desktop-screen { display: block; width: 100%; height: auto; min-width: 0; max-width: 100%; border: 0; padding: 0; border-radius: 7px; overflow: hidden; background: #11161f; cursor: zoom-in; box-shadow: 0 0 0 1px rgba(255, 255, 255, .04); }
.desktop-screen img { width: 100%; max-width: 100%; height: auto; margin-left: 0; animation: none; }
.desktop-screen:hover img { animation-play-state: paused; }
@keyframes hero-grid-scroll { 0% { transform: translateY(0); } 100% { transform: translateY(-12%); } }
.desktop-neck { width: 17%; height: 22px; margin: 0 auto; background: linear-gradient(#263247, #101827); border: 1px solid rgba(150, 178, 211, .14); border-top: 0; }
.desktop-foot { width: 36%; height: 7px; margin: auto; border-radius: 100% 100% 5px 5px; background: linear-gradient(90deg, #111827, #344258, #111827); }
.float-card { position: absolute; z-index: 2; right: 8px; bottom: 88px; display: flex; align-items: center; gap: 10px; padding: 11px 16px; border: 1px solid rgba(243, 199, 102, .31); border-radius: 12px; background: rgba(25, 28, 30, .95); box-shadow: 0 15px 40px rgba(0, 0, 0, .4); }
.float-card .float-icon { color: var(--gold); font-size: 20px; }
.float-card span:last-child { display: grid; line-height: 1.3; }
.float-card b { color: #ffe3a6; font-size: 11px; }
.float-card small { color: #b8ad96; font-size: 10px; margin-top: 3px; }
.visual-caption { position: relative; z-index: 2; margin: 18px 0 0; text-align: center; color: #70839e; font-size: 10px; letter-spacing: .025em; }

/* Visual transitions */
.product-ribbon { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(16, 25, 39, .6); }
.ribbon-viewport { overflow: hidden; }
.ribbon-track { display: flex; width: max-content; gap: 110px; animation: ribbon-flow 30s linear infinite; }
.ribbon-track:hover { animation-play-state: paused; }
@keyframes ribbon-flow { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ribbon-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 65px; color: #8799b2; font-size: 10px; font-weight: 760; letter-spacing: .16em; }
.ribbon-track .ribbon-inner { flex: 0 0 max(100vw, 1220px); padding-inline: 24px; }
.ribbon-track .ribbon-inner + .ribbon-inner { padding-left: 24px; }
.ribbon-track .ribbon-inner + .ribbon-inner::before { content: ""; flex: 0 0 115px; height: 1px; margin-right: 20px; background: linear-gradient(90deg, rgba(75, 157, 255, .09), rgba(75, 157, 255, .5), rgba(75, 157, 255, .09)); }
.ribbon-inner i { flex: 1; max-width: 115px; height: 1px; background: linear-gradient(90deg, rgba(75, 157, 255, .09), rgba(75, 157, 255, .5), rgba(75, 157, 255, .09)); }
.section { padding-block: 116px; }
.section-intro { max-width: 720px; margin-bottom: 38px; }
.section-intro.narrow { max-width: 665px; }
.kicker { display: flex; align-items: center; gap: 15px; margin: 0 0 19px; }
.kicker span { color: #6581a2; letter-spacing: .08em; }
h2 { margin: 0; font-size: clamp(36px, 4.2vw, 56px); line-height: 1.13; letter-spacing: -.055em; font-weight: 760; }
.section-intro h2 span, .control-inner h2 span { color: #87baff; }
.section-intro > p:last-child, .faq-heading > p:last-child { max-width: 620px; color: var(--muted); font-size: 16px; line-height: 1.7; margin: 20px 0 0; }

/* Problem section */
.problem-section { position: relative; }
.problem-section::before { content: ""; position: absolute; z-index: -1; width: 620px; height: 390px; left: -170px; top: 130px; background: radial-gradient(ellipse, rgba(27, 88, 164, .14), transparent 68%); pointer-events: none; }
.problem-section .section-intro { max-width: 810px; }
.problem-section .section-intro h2 span { color: #87baff; }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 43px; }
.pain-card { position: relative; min-height: 238px; overflow: hidden; padding: 27px 25px 28px; border: 1px solid rgba(130, 163, 211, .18); border-radius: 16px; background: linear-gradient(155deg, rgba(25, 40, 63, .94), rgba(12, 20, 33, .92)); box-shadow: 0 18px 45px rgba(0, 0, 0, .16); }
.pain-card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, rgba(75, 157, 255, .75), transparent 78%); }
.pain-card:nth-child(2)::after { background: linear-gradient(90deg, rgba(243, 199, 102, .8), transparent 78%); }
.pain-card:nth-child(3)::after { background: linear-gradient(90deg, rgba(172, 143, 255, .72), transparent 78%); }
.pain-number { display: inline-flex; align-items: center; gap: 9px; color: #7594bc; font: 700 10px/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; }
.pain-number::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(75, 157, 255, .12); }
.pain-card:nth-child(2) .pain-number::before { background: var(--gold); box-shadow: 0 0 0 4px rgba(243, 199, 102, .12); }
.pain-card:nth-child(3) .pain-number::before { background: #ad8fff; box-shadow: 0 0 0 4px rgba(173, 143, 255, .12); }
.pain-card h3 { max-width: 250px; margin: 30px 0 12px; font-size: 20px; line-height: 1.25; letter-spacing: -.035em; }
.pain-card p { max-width: 310px; margin: 0; color: #a5b3c7; font-size: 14px; line-height: 1.65; overflow-wrap: anywhere; }
.solution-bridge { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; margin-top: 18px; padding: 22px 25px; border: 1px solid rgba(243, 199, 102, .26); border-radius: 14px; background: linear-gradient(100deg, rgba(58, 49, 31, .68), rgba(22, 29, 41, .8)); }
.bridge-symbol { display: grid; place-items: center; width: 39px; height: 39px; color: var(--gold); border: 1px solid rgba(243, 199, 102, .35); border-radius: 11px; background: rgba(243, 199, 102, .1); font-size: 20px; }
.solution-bridge p { margin: 0; color: #c5c0b4; font-size: 14px; line-height: 1.55; overflow-wrap: anywhere; }
.solution-bridge strong { color: #f8dda0; }
.solution-bridge a { color: #ffe2a0; text-decoration: none; white-space: nowrap; border-bottom: 1px solid rgba(243, 199, 102, .48); padding-bottom: 3px; font-size: 13px; font-weight: 700; }
.solution-bridge a span { margin-left: 9px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.feature-card { position: relative; min-height: 285px; overflow: hidden; padding: 26px 23px 27px; background: linear-gradient(150deg, rgba(29, 43, 66, .75), rgba(13, 21, 34, .85)); border: 1px solid var(--line); border-radius: 16px; transition: border-color .2s, transform .2s; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(87, 153, 249, .4); }
.feature-number { position: absolute; right: 21px; top: 21px; font: 700 11px/1 ui-monospace, Consolas, monospace; color: #657a99; }
.feature-icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; font-size: 23px; font-weight: 650; margin-bottom: 45px; }
.icon-blue { color: #8ec4ff; background: rgba(50, 139, 255, .14); }
.icon-gold { color: var(--gold); background: rgba(243, 199, 102, .12); }
.icon-violet { color: #bdadff; background: rgba(163, 140, 255, .13); }
.icon-green { color: #8be0b1; background: rgba(76, 207, 140, .13); }
.feature-card h3 { font-size: 17px; line-height: 1.27; letter-spacing: -.02em; margin: 0 0 10px; }
.feature-card p { margin: 0; color: #9dabc0; font-size: 13px; line-height: 1.62; }
.feature-line { position: absolute; bottom: 0; left: 23px; right: 23px; height: 2px; background: linear-gradient(90deg, rgba(75, 157, 255, .58), transparent); }
.feature-card:nth-child(2) .feature-line, .feature-card:nth-child(5) .feature-line { background: linear-gradient(90deg, rgba(243, 199, 102, .55), transparent); }

/* Visual grade */
.visual-grade-section { border-block: 1px solid var(--line); background: linear-gradient(120deg, rgba(16, 28, 46, .84), rgba(10, 17, 29, .72)); }
.visual-grade-inner { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: clamp(45px, 7vw, 100px); }
.visual-grade-copy h2 { max-width: 570px; }
.visual-grade-copy h2 span { color: #87baff; }
.visual-grade-copy > p:not(.kicker) { max-width: 570px; margin: 20px 0 25px; color: var(--muted); font-size: 16px; line-height: 1.72; }
.visual-grade-points { border-top: 1px solid var(--line); }
.visual-grade-points > div { display: flex; align-items: flex-start; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.visual-point-icon { display: grid; place-items: center; width: 33px; height: 33px; flex: none; border-radius: 9px; font-size: 17px; font-weight: 800; }
.visual-point-icon.blue { color: #8ec4ff; background: rgba(75, 157, 255, .14); }
.visual-point-icon.gold { color: var(--gold); background: rgba(243, 199, 102, .13); }
.visual-point-icon.violet { color: #c2b5ff; background: rgba(163, 140, 255, .13); }
.visual-grade-points p { margin: 0; color: #aab7ca; font-size: 13px; line-height: 1.6; }
.visual-grade-points strong { color: #eef3fc; }
.grade-preview-card { min-width: 0; padding: 10px; border: 1px solid rgba(94, 157, 244, .35); border-radius: 17px; background: linear-gradient(150deg, #202d43, #0b121e 62%); box-shadow: 0 28px 70px rgba(0, 0, 0, .36), inset 0 1px rgba(255,255,255,.08); }
.grade-preview-top { display: flex; align-items: center; gap: 8px; height: 27px; padding: 0 6px 6px; color: #89a2c2; font-size: 9px; letter-spacing: .12em; }
.grade-preview-top .image-light { width: 6px; height: 6px; flex: none; }
.grade-preview-top b { font-weight: 760; }
.grade-preview-top small { margin-left: auto; color: #d0b16a; font-size: 9px; letter-spacing: .03em; }
.grade-scroll-window { position: relative; height: auto; aspect-ratio: 1280 / 780; overflow: hidden; border: 1px solid rgba(161, 185, 226, .16); border-radius: 8px; background: #11161f; cursor: default; }
.grade-scroll-window::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(7, 13, 22, .08), transparent 12%, transparent 86%, rgba(7, 13, 22, .28)); }
.grade-scroll-window img { display: block; width: 100%; max-width: 100%; height: auto; margin-left: 0; animation: none; }
@keyframes grade-pan { 0% { transform: translateY(0) scale(1.02); } 100% { transform: translateY(-12%) scale(1.02); } }
.grade-preview-bottom { display: flex; align-items: center; gap: 9px; padding: 9px 5px 1px; color: #7590b2; font: 700 9px/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; }
.grade-preview-bottom i { width: 18px; height: 1px; background: rgba(96, 160, 244, .45); }
.grade-preview-bottom b { margin-left: auto; color: var(--gold); font-size: 16px; }

/* Steps */
.workflow-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(15, 23, 39, .8), rgba(10, 17, 28, .65)); }
.workflow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 64px; border-top: 1px solid rgba(91, 149, 224, .32); }
.workflow-step { position: relative; padding: 36px 22px 0 0; }
.workflow-step::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px rgba(75, 157, 255, .1); }
.workflow-step:nth-child(2)::before { background: var(--gold); box-shadow: 0 0 0 6px rgba(243, 199, 102, .1); }
.step-index { color: #5d83b5; font: 700 12px/1 ui-monospace, Consolas, monospace; }
.workflow-step h3 { font-size: 16px; line-height: 1.3; margin: 14px 0 9px; }
.workflow-step p { max-width: 230px; color: #98a8be; font-size: 13px; line-height: 1.6; margin: 0; }

/* AI feature */
.ai-section { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(50px, 6vw, 98px); }
.ai-image-wrap { min-width: 0; position: relative; }
.ai-image-wrap::before { content: ""; position: absolute; left: -20%; top: -23%; width: 85%; aspect-ratio: 1; background: radial-gradient(circle, rgba(189, 127, 21, .15), transparent 62%); pointer-events: none; }
.image-edge { position: relative; overflow: hidden; padding: 9px; border: 1px solid rgba(243, 199, 102, .28); background: linear-gradient(160deg, #2c2b29, #111821 38%, #0d1421); border-radius: 16px; box-shadow: 0 29px 80px rgba(0, 0, 0, .36); }
.image-top { height: 25px; padding: 0 7px 5px; display: flex; align-items: center; gap: 8px; color: #a89879; font-size: 9px; font-weight: 750; letter-spacing: .13em; }
.image-light { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 0 3px rgba(243, 199, 102, .12); }
.image-top-right { margin-left: auto; color: #637087; }
.image-edge .shot-open { display: block; width: 100%; min-width: 0; max-width: 100%; border: 0; padding: 0; background: #14191f; border-radius: 7px; overflow: hidden; cursor: zoom-in; }
.image-edge img { width: 100%; height: auto; }
.image-note { display: block; color: #71839a; font-size: 10px; margin-top: 13px; text-align: center; }
.ai-copy h2 { max-width: 530px; }
.ai-highlight { color: var(--gold); font-family: inherit; font-style: normal; font-weight: 800; letter-spacing: -.045em; white-space: normal; }
.inline-brand { color: #f4f7fc; font-weight: 800; letter-spacing: -.045em; white-space: nowrap; }
.inline-brand span { color: var(--blue); }
.inline-brand-ia { color: var(--gold); font-weight: 850; }
.ai-copy > p:not(.kicker) { color: var(--muted); line-height: 1.75; font-size: 15px; margin: 20px 0 27px; }
.ai-signature { display: flex; align-items: baseline; gap: 8px; margin: 0 0 12px; color: var(--gold); }
.ai-signature strong { font-size: 72px; font-weight: 850; line-height: .8; letter-spacing: -.08em; text-shadow: 0 0 28px rgba(243, 199, 102, .18); }
.ai-signature span { font-size: 17px; line-height: 1; }
.ai-punchline { margin: -4px 0 25px; padding: 13px 16px; border-left: 2px solid var(--gold); color: #d1c7b1; background: rgba(243, 199, 102, .07); font-size: 14px; line-height: 1.55; }
.ai-punchline strong { color: #f6d58b; }
.ai-points { border-top: 1px solid var(--line); }
.ai-points > div { display: flex; align-items: baseline; gap: 17px; border-bottom: 1px solid var(--line); padding: 13px 0; }
.ai-points span { color: var(--gold); font: 700 11px/1 ui-monospace, Consolas, monospace; }
.ai-points p { margin: 0; color: #a7b4c6; font-size: 13px; line-height: 1.6; }
.ai-points strong { color: #e9eef8; font-weight: 700; }

/* Human control */
.control-section { background: #0e1725; border-block: 1px solid var(--line); }
.control-inner { display: grid; grid-template-columns: 1fr .85fr; gap: 11%; align-items: center; padding-block: 105px; }
.control-inner h2 { max-width: 680px; }
.control-inner > div:first-child > p:not(.kicker) { color: var(--muted); font-size: 16px; line-height: 1.75; max-width: 550px; margin: 22px 0 26px; }
.text-link { color: #acd2ff; text-decoration: none; border-bottom: 1px solid rgba(75, 157, 255, .5); padding-bottom: 4px; font-weight: 700; font-size: 14px; }
.text-link:hover { color: #fff; }
.text-link span { margin-left: 12px; }
.mode-grid { display: grid; gap: 12px; }
.mode-card { padding: 24px 24px 25px; border: 1px solid rgba(104, 153, 219, .28); border-radius: 16px; background: linear-gradient(150deg, rgba(30, 49, 78, .86), rgba(16, 27, 44, .94)); }
.mode-card-auto { border-color: rgba(243, 199, 102, .34); background: linear-gradient(150deg, rgba(61, 52, 33, .88), rgba(24, 31, 43, .94)); }
.mode-label { color: #80b5f7; font: 700 10px/1 ui-monospace, Consolas, monospace; letter-spacing: .12em; }
.mode-card-auto .mode-label { color: #f3cd7f; }
.mode-card h3 { margin: 17px 0 9px; font-size: 20px; line-height: 1.2; letter-spacing: -.03em; }
.mode-card p { margin: 0; color: #aebbd0; font-size: 13px; line-height: 1.65; }
.control-card { border-radius: 18px; padding: 20px 26px; border: 1px solid rgba(96, 151, 229, .23); background: radial-gradient(circle at 100% 0, rgba(54, 109, 187, .14), transparent 55%), #121e30; box-shadow: 0 20px 50px rgba(0,0,0,.2); }
.control-row { display: flex; align-items: center; gap: 17px; padding: 17px 0; }
.control-row + .control-row { border-top: 1px solid var(--line); }
.control-mark { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 10px; font-weight: 800; }
.control-mark.blue { background: rgba(75, 157, 255, .14); color: #87baff; }
.control-mark.gold { background: rgba(243, 199, 102, .13); color: var(--gold); }
.control-mark.violet { background: rgba(163, 140, 255, .14); color: #c2b5ff; }
.control-mark.green { background: rgba(83, 203, 145, .13); color: #87dfb0; }
.control-row span:last-child { display: grid; gap: 3px; }
.control-row b { font-size: 14px; }
.control-row small { color: #98a7bb; font-size: 12px; }

/* FAQ and closing */
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9%; }
.faq-heading h2 { max-width: 450px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 18px; align-items: center; cursor: pointer; list-style: none; padding: 20px 0; font-weight: 650; font-size: 15px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { flex: none; display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--line); border-radius: 7px; color: var(--gold); font-size: 19px; line-height: 1; font-weight: 400; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -4px 40px 22px 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.closing-wrap { padding-bottom: 96px; }
.closing { position: relative; overflow: hidden; text-align: center; padding: 75px 30px 78px; border: 1px solid rgba(98, 164, 252, .35); border-radius: 26px; background: linear-gradient(132deg, #143465, #10264c 47%, #0e1c37); box-shadow: 0 30px 80px rgba(0,0,0,.25); }
.closing::before, .closing::after { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; border: 1px solid rgba(131, 186, 255, .15); pointer-events: none; }
.closing::before { left: -85px; top: -100px; }
.closing::after { right: -85px; bottom: -180px; }
.closing-orb { position: absolute; width: 430px; height: 430px; left: 50%; top: -250px; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(circle, rgba(96, 159, 255, .33), transparent 70%); }
.closing > *:not(.closing-orb) { position: relative; z-index: 1; }
.closing .kicker { display: block; color: #f4d691; }
.closing h2 { max-width: 730px; margin-inline: auto; }
.closing > p:not(.kicker) { max-width: 610px; margin: 20px auto 26px; color: #c6d7ef; font-size: 15px; }
.button-light { background: #f7f9fc; color: #0c2855; box-shadow: 0 12px 30px rgba(0, 0, 0, .15); }
.button-light:hover { background: #fff; }
.footer { background: #070b13; border-top: 1px solid var(--line); }
.footer-inner { min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 13px; color: #a8b8cc; }
.footer-brand b { color: #fff; display: block; font-size: 14px; }
.footer-inner p { color: #71849b; font-size: 12px; margin: 0; }
.footer-inner > a:last-child { text-decoration: none; color: #a9c8ec; font-size: 12px; }
.footer-inner > a:last-child:hover { color: #fff; }
.image-dialog { width: min(96vw, 1360px); max-height: 95vh; padding: 12px; border: 1px solid rgba(195, 213, 241, .35); border-radius: 14px; background: #0d1420; color: white; box-shadow: 0 35px 100px rgba(0,0,0,.65); }
.image-dialog::backdrop { background: rgba(1, 5, 12, .84); backdrop-filter: blur(8px); }
.image-dialog img { width: 100%; max-height: calc(95vh - 24px); object-fit: contain; border-radius: 7px; }
.dialog-close { position: absolute; top: 18px; right: 18px; z-index: 2; width: 35px; height: 35px; background: rgba(7, 13, 24, .85); border: 1px solid rgba(245, 247, 251, .35); border-radius: 8px; color: #fff; cursor: pointer; font-size: 25px; line-height: 1; }

@media (max-width: 1180px) {
  .main-nav { gap: 18px; }
  .hero { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(47px, 5.4vw, 68px); }
  .hero-lead { font-size: 15px; }
  .float-card { right: 0; }
  .feature-card { padding: 22px 19px; }
}
@media (max-width: 920px) {
  .main-nav { position: absolute; top: 80px; left: 0; right: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; background: #0d1726; padding: 12px 24px 22px; border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(0,0,0,.3); }
  .main-nav.open { display: flex; }
  .main-nav > a { padding: 12px 4px; }
  .main-nav .nav-cta { justify-content: center; margin-top: 7px; }
  .menu-toggle { display: block; }
  .hero { grid-template-columns: minmax(0, 1fr); min-height: 0; gap: 55px; padding-block: 75px 65px; }
  .hero-copy { max-width: 730px; }
  .hero h1 { max-width: 730px; font-size: clamp(50px, 7.2vw, 70px); }
  .hero-visual { max-width: 720px; margin-inline: auto; width: 100%; padding-left: 0; }
  .float-card { left: 0; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: 250px; }
  .workflow { grid-template-columns: repeat(2, 1fr); gap: 28px 0; border-top: 0; }
  .workflow-step { padding-top: 0; }
  .workflow-step::before { top: -5px; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card { min-height: 0; }
  .solution-bridge { grid-template-columns: auto 1fr; }
  .solution-bridge a { grid-column: 2; justify-self: start; }
  .visual-grade-inner { grid-template-columns: 1fr; gap: 46px; }
  .grade-preview-card { max-width: 720px; width: 100%; }
  .ai-section { grid-template-columns: 1fr; gap: 53px; }
  .ai-copy { grid-row: 1; }
  .ai-image-wrap { max-width: 700px; width: 100%; }
  .control-inner { grid-template-columns: 1fr; gap: 45px; }
  .faq-section { grid-template-columns: 1fr; gap: 38px; }
}
@media (max-width: 620px) {
  .container { width: calc(100% - 32px); }
  .header-inner { min-height: 70px; }
  .main-nav { top: 70px; }
  .brand img { width: 36px; height: 36px; }
  .brand-name { font-size: 18px; }
  .hero { padding-block: 58px 46px; gap: 32px; }
  .eyebrow, .kicker { font-size: 10px; }
  .hero h1 { font-size: clamp(43px, 10.5vw, 58px); line-height: 1.06; margin-top: 24px; }
  .hero-lead { font-size: 15px; line-height: 1.68; }
  .hero-actions { gap: 10px; }
  .button { width: 100%; }
  .hero-points { gap: 9px 16px; margin-top: 24px; }
  .hero-visual { padding-bottom: 25px; }
  .hero-brand-lockup { gap: 12px; margin-left: 0; margin-bottom: 17px; padding: 9px 14px 10px 9px; border-radius: 13px; }
  .hero-brand-below { margin: 15px auto 0; }
  .hero-brand-lockup img { width: 59px; height: 59px; }
  .hero-brand-name { font-size: 30px; }
  .hero-brand-lockup small { font-size: 10px; }
  .desktop { transform: none; animation: none; }
  .desktop-frame { padding: 6px; border-radius: 12px; }
  .desktop-top { height: 18px; }
  .desktop-top b { font-size: 5px; }
  .desktop-neck { height: 12px; }
  .float-card { bottom: 40px; right: -4px; padding: 7px 9px; gap: 5px; }
  .float-card .float-icon { font-size: 15px; }
  .float-card b { font-size: 9px; }
  .float-card small { font-size: 8px; }
  .visual-caption { margin-top: 13px; }
  .ribbon-inner { min-height: 62px; overflow: visible; justify-content: space-between; white-space: nowrap; gap: 14px; }
  .ribbon-track .ribbon-inner { flex-basis: max(100vw, 760px); padding-inline: 16px; }
  .ai-signature strong { font-size: 58px; }
  .ai-signature span { font-size: 14px; }
  .ribbon-inner i { flex: 0 0 16px; }
  .section { padding-block: 78px; }
  h2 { font-size: clamp(34px, 8vw, 44px); }
  .section-intro { margin-bottom: 29px; }
  .section-intro > p:last-child { font-size: 15px; }
  .feature-grid { grid-template-columns: 1fr; }
  .pain-grid { margin-top: 30px; gap: 10px; }
  .pain-card { padding: 23px 20px 25px; }
  .pain-card h3 { margin-top: 23px; font-size: 19px; }
  .pain-card p { font-size: 14px; }
  .solution-bridge { grid-template-columns: 1fr; gap: 13px; padding: 19px 20px 21px; }
  .solution-bridge a { grid-column: auto; }
  .visual-grade-inner { gap: 32px; }
  .visual-grade-copy > p:not(.kicker) { font-size: 15px; }
  .grade-preview-card { padding: 7px; border-radius: 13px; }
  .grade-preview-top { height: 24px; font-size: 7px; }
  .grade-preview-top small { font-size: 8px; }
  .grade-scroll-window { height: auto; aspect-ratio: 1280 / 780; }
  .feature-card { min-height: 0; padding: 21px 22px 26px; }
  .feature-icon { margin-bottom: 20px; width: 40px; height: 40px; }
  .workflow { display: block; margin-top: 43px; border-top: 0; border-left: 1px solid rgba(91, 149, 224, .32); margin-left: 5px; }
  .workflow-step { padding: 0 0 30px 29px; }
  .workflow-step::before { top: 5px; left: -5px; }
  .workflow-step:last-child { padding-bottom: 0; }
  .ai-section { gap: 34px; }
  .control-inner { padding-block: 78px; }
  .control-card { padding: 11px 19px; }
  .faq-list summary { font-size: 14px; }
  .closing-wrap { padding-bottom: 70px; }
  .closing { padding: 56px 22px 58px; border-radius: 19px; }
  .closing h2 { font-size: 34px; }
  .footer-inner { padding-block: 28px; flex-direction: column; align-items: flex-start; gap: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}