:root {
  --bg: #050908;
  --bg-soft: #09110f;
  --panel: #0d1714;
  --paper: #f2f4f1;
  --white: #ffffff;
  --ink: #0a100e;
  --muted: #68716d;
  --line: rgba(16, 31, 25, .13);
  --line-dark: rgba(255, 255, 255, .12);
  --signal: #42e7a4;
  --signal-strong: #1fcf82;
  --cyan: #4fc9ef;
  --radius: 28px;
  --max: 1320px;
  --shadow: 0 32px 90px rgba(7, 20, 14, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--white); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--signal); color: #04120b; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.skip-link { position: fixed; z-index: 1000; left: 18px; top: -80px; padding: 12px 16px; border-radius: 10px; background: #fff; color: #07100c; font-weight: 800; transition: top .2s; }
.skip-link:focus { top: 18px; }

.site-header { position: fixed; z-index: 80; top: 0; left: 0; right: 0; min-height: 86px; display: grid; grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr); align-items: center; gap: 34px; padding: 12px clamp(22px, 4.5vw, 72px); border-bottom: 1px solid transparent; background: linear-gradient(180deg, rgba(4, 8, 7, .92), rgba(4, 8, 7, .42)); color: #fff; transition: min-height .28s, background .28s, border-color .28s, backdrop-filter .28s; }
.site-header.is-scrolled { min-height: 70px; border-color: rgba(255, 255, 255, .09); background: rgba(4, 8, 7, .82); backdrop-filter: blur(24px) saturate(135%); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; }
.brand-mark { position: relative; width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; overflow: hidden; border: 1px solid rgba(255,255,255,.22); border-radius: 12px; background: #fff; color: #07100c; font-size: 18px; font-weight: 850; }
.brand-mark::after { content: ""; position: absolute; width: 22px; height: 22px; right: -12px; bottom: -12px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 22px var(--signal); }
.brand-copy { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-size: 15px; letter-spacing: -.035em; white-space: nowrap; }
.brand-copy small { color: rgba(255,255,255,.4); font: 700 7px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 2.2vw, 34px); }
.main-nav a { position: relative; color: rgba(255,255,255,.58); font-size: 12px; font-weight: 700; white-space: nowrap; transition: color .2s; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--signal); transition: right .24s; }
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { right: 0; }
.header-call { justify-self: end; min-width: 178px; display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 9px 18px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 16px; background: rgba(255,255,255,.045); box-shadow: inset 0 1px rgba(255,255,255,.04); backdrop-filter: blur(12px); }
.header-call small { color: var(--signal); font: 800 8px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; }
.header-call strong { margin-top: 2px; font-size: 15px; letter-spacing: .05em; }
.nav-toggle { display: none; }

.hero { position: relative; min-height: min(820px, 100svh); display: flex; align-items: center; overflow: hidden; padding: 118px clamp(22px, 6.4vw, 104px) 72px; background: radial-gradient(circle at 82% 35%, rgba(79,201,239,.13), transparent 25%), radial-gradient(circle at 67% 70%, rgba(66,231,164,.08), transparent 30%), var(--bg); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .38; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 66px 66px; mask-image: linear-gradient(90deg, #000 0%, rgba(0,0,0,.8) 58%, transparent 94%); }
.hero::after { content: ""; position: absolute; width: 440px; height: 440px; right: -240px; top: 26%; border: 1px solid rgba(66,231,164,.16); border-radius: 50%; box-shadow: 0 0 0 78px rgba(66,231,164,.025), 0 0 0 156px rgba(79,201,239,.018); }
.hero-inner { position: relative; z-index: 2; width: min(var(--max), 100%); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .74fr); align-items: center; gap: clamp(42px, 5.8vw, 88px); }
.hero-inner>* , .page-hero-inner>* { min-width: 0; }
.eyebrow, .section-label { display: flex; align-items: center; gap: 11px; color: rgba(255,255,255,.55); font: 800 9px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: var(--signal); box-shadow: 0 0 18px var(--signal); }
.section-label b { color: var(--signal); font-weight: 850; }
.hero h1, .page-hero h1, .section-heading h2, .final-cta h2, .statement h2 { margin: 26px 0 24px; font-weight: 610; letter-spacing: -.066em; line-height: .91; }
.hero h1 { max-width: 760px; font-size: clamp(52px, 6.6vw, 96px); line-height: .96; }
.hero h1 em, .page-hero h1 em, .section-heading h2 em, .final-cta h2 em, .statement h2 em { display: inline-block; font-style: normal; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.42); }
.hero-lead { max-width: 680px; margin: 0; color: rgba(255,255,255,.57); font-size: clamp(16px, 1.25vw, 20px); line-height: 1.72; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 34px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-size: 12px; font-weight: 800; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: #fff; color: #07100c; }
.button-primary span, .button-dark span { color: var(--signal-strong); }
.button-ghost { border-color: rgba(255,255,255,.18); background: rgba(255,255,255,.045); color: #fff; backdrop-filter: blur(12px); }
.button-dark { background: #07100c; color: #fff; }
.text-link { padding: 12px 4px; border-bottom: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.72); font-size: 12px; font-weight: 800; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 48px; }
.hero-proof span, .tag-list span { padding: 8px 11px; border: 1px solid rgba(255,255,255,.11); border-radius: 999px; color: rgba(255,255,255,.58); font-size: 9px; font-weight: 750; letter-spacing: .045em; }

.signal-stage { position: relative; min-height: 460px; border: 1px solid rgba(255,255,255,.13); border-radius: 34px; background: linear-gradient(145deg, rgba(79,201,239,.1), rgba(66,231,164,.035) 58%, rgba(255,255,255,.025)); box-shadow: inset 0 1px rgba(255,255,255,.08), 0 40px 90px rgba(0,0,0,.28); overflow: hidden; }
.signal-stage::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 36px, rgba(255,255,255,.027) 36px 37px), repeating-linear-gradient(0deg, transparent 0 36px, rgba(255,255,255,.027) 36px 37px); mask-image: radial-gradient(circle at center, #000, transparent 76%); }
.signal-stage::after { content: ""; position: absolute; width: 360px; height: 360px; left: 50%; bottom: -210px; transform: translateX(-50%); border: 1px solid rgba(79,201,239,.3); border-radius: 50%; box-shadow: 0 0 0 70px rgba(79,201,239,.035), 0 0 0 140px rgba(66,231,164,.025); }
.stage-label { position: absolute; z-index: 3; top: 30px; left: 30px; color: var(--cyan); font: 800 8px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .15em; }
.stage-status { position: absolute; z-index: 3; top: 26px; right: 28px; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(79,201,239,.32); border-radius: 14px; color: var(--cyan); font: 800 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.stage-query, .stage-answer { position: absolute; z-index: 3; left: 28px; right: 28px; border: 1px solid rgba(255,255,255,.11); border-radius: 20px; backdrop-filter: blur(12px); }
.stage-query { top: 116px; padding: 21px; background: rgba(3,8,7,.56); color: rgba(255,255,255,.67); font-size: 13px; line-height: 1.55; }
.stage-answer { top: 205px; display: grid; grid-template-columns: auto 1fr; gap: 16px; padding: 24px; border-color: rgba(79,201,239,.35); background: linear-gradient(130deg, rgba(79,201,239,.16), rgba(66,231,164,.07)); }
.stage-answer i { width: 10px; height: 10px; margin-top: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.stage-answer small { display: block; color: var(--cyan); font: 800 8px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.stage-answer strong { display: block; margin-top: 11px; font-size: 19px; line-height: 1.28; letter-spacing: -.035em; }
.stage-sources { position: absolute; z-index: 3; left: 28px; right: 28px; bottom: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stage-sources span { min-height: 50px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.09); border-radius: 14px; color: rgba(255,255,255,.36); font: 750 7px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .09em; text-align: center; }
.stage-scan { position: absolute; z-index: 1; left: 0; right: 0; height: 1px; top: 0; background: linear-gradient(90deg, transparent, var(--signal), transparent); box-shadow: 0 0 22px var(--signal); animation: scan-stage 5.2s ease-in-out infinite; }
@keyframes scan-stage { 0%, 100% { transform: translateY(80px); opacity: 0; } 15%, 85% { opacity: .7; } 50% { transform: translateY(500px); } }

.section-dark, .section-light, .section-paper { position: relative; }
.section-dark { background: var(--bg); color: #fff; }
.section-light { background: #e9eeea; color: var(--ink); }
.section-paper { background: var(--paper); color: var(--ink); }
.section-inner { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 96px 0; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .62fr); align-items: end; gap: 9vw; margin-bottom: 62px; }
.section-heading h2 { margin-bottom: 0; font-size: clamp(46px, 5.4vw, 82px); }
.section-light .section-heading h2 em, .section-paper .section-heading h2 em, .final-cta h2 em { -webkit-text-stroke-color: rgba(7,16,12,.42); }
.section-light .section-label, .section-paper .section-label { color: #707974; }
.section-light .section-label b, .section-paper .section-label b { color: #148c59; }
.section-heading p { margin: 0; color: rgba(255,255,255,.5); font-size: 16px; line-height: 1.78; }
.section-light .section-heading p, .section-paper .section-heading p { color: #64706a; }

.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.service-card { min-height: 390px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.76); box-shadow: 0 18px 50px rgba(12,27,19,.055); transition: transform .28s, box-shadow .28s, border-color .28s; }
.service-card:hover { transform: translateY(-7px); border-color: rgba(23,147,91,.28); box-shadow: var(--shadow); }
.service-card.featured { border-color: rgba(66,231,164,.2); background: linear-gradient(145deg, #09110f, #10231c); color: #fff; }
.card-top { display: flex; align-items: center; justify-content: space-between; }
.card-index { color: #16945d; font: 800 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.service-card.featured .card-index { color: var(--signal); }
.card-icon { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.58); color: #0b1712; font: 800 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.featured .card-icon { border-color: rgba(255,255,255,.13); background: rgba(255,255,255,.06); color: var(--signal); }
.service-card h3 { margin: auto 0 15px; font-size: 27px; letter-spacing: -.048em; line-height: 1.05; }
.service-card p { margin: 0; color: #66716b; font-size: 13px; line-height: 1.72; }
.service-card.featured p { color: rgba(255,255,255,.5); }
.card-link { display: flex; align-items: center; justify-content: space-between; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 11px; font-weight: 800; }
.featured .card-link { border-color: rgba(255,255,255,.1); }
.card-link span { color: #158a57; }
.featured .card-link span { color: var(--signal); }

.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.stat-band article { min-height: 190px; padding: 26px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.stat-band span { color: var(--signal); font: 800 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.stat-band strong { display: block; margin-top: 56px; font-size: 20px; letter-spacing: -.035em; }
.stat-band p { margin: 9px 0 0; color: rgba(255,255,255,.43); font-size: 12px; line-height: 1.55; }

.split-feature { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 72px; align-items: center; }
.statement h2 { font-size: clamp(50px, 6vw, 92px); }
.statement p { max-width: 610px; color: rgba(255,255,255,.51); font-size: 16px; line-height: 1.8; }
.signal-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.signal-list article { min-height: 160px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border: 1px solid rgba(255,255,255,.11); border-radius: 22px; background: rgba(255,255,255,.035); }
.signal-list span { color: var(--cyan); font: 800 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.signal-list strong { font-size: 17px; letter-spacing: -.03em; }

.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.platform-card { position: relative; min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.platform-card::after { content: ""; position: absolute; width: 150px; height: 150px; right: -90px; top: -90px; border-radius: 50%; background: var(--accent, var(--signal)); filter: blur(70px); opacity: .28; }
.platform-card span { color: #188d5a; font: 800 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.platform-card strong { position: relative; z-index: 1; display: block; font-size: 29px; letter-spacing: -.05em; }
.platform-card small { display: block; margin-top: 8px; color: #6b756f; font-size: 12px; line-height: 1.55; }

.sumasearch-promo { position: relative; overflow: hidden; padding: 24px; background: #e8eeea; color: #fff; }
.sumasearch-promo::before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -250px; border-radius: 50%; background: rgba(79,201,239,.2); filter: blur(110px); }
.sumasearch-shell { position: relative; width: min(var(--max), 100%); margin: 0 auto; display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr); gap: clamp(56px,7vw,110px); align-items: center; padding: clamp(54px,7vw,96px); border: 1px solid rgba(255,255,255,.12); border-radius: 38px; background: radial-gradient(circle at 88% 8%, rgba(28,166,216,.21), transparent 30%), linear-gradient(135deg,#081110,#07100f 58%,#09202a); box-shadow: 0 32px 90px rgba(7,20,14,.13); }
.sumasearch-intro { min-width: 0; }
.sumasearch-wordmark { width: max-content; display: inline-flex; margin: 30px 0 24px; font-size: clamp(38px,4.7vw,64px); font-weight: 800; letter-spacing: -.075em; line-height: .9; }
.sumasearch-wordmark span { color: #27b5df; }
.sumasearch-wordmark strong { color: #fff; font-weight: inherit; }
.sumasearch-intro h2 { margin: 0; font-size: clamp(42px,4.7vw,68px); font-weight: 610; letter-spacing: -.064em; line-height: .94; }
.sumasearch-intro h2 em { display: inline-block; color: transparent; font-style: normal; -webkit-text-stroke: 1px rgba(255,255,255,.4); }
.sumasearch-intro p { max-width: 590px; margin: 26px 0 30px; color: rgba(255,255,255,.52); font-size: 14px; line-height: 1.78; }
.button-suma { border: 1px solid rgba(79,201,239,.32); background: linear-gradient(135deg,#39c4ea,#189ac6); color: #031117; box-shadow: 0 18px 45px rgba(23,160,207,.2); }
.sumasearch-services { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.suma-service { position: relative; min-height: 178px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 24px; border: 1px solid rgba(255,255,255,.11); border-radius: 22px; background: rgba(255,255,255,.04); transition: transform .25s,border-color .25s,background .25s; }
.suma-service::after { content: ""; position: absolute; width: 90px; height: 90px; right: -62px; top: -62px; border-radius: 50%; background: var(--cyan); filter: blur(42px); opacity: 0; transition: opacity .25s; }
.suma-service:hover { transform: translateY(-5px); border-color: rgba(79,201,239,.36); background: rgba(79,201,239,.075); }
.suma-service:hover::after { opacity: .42; }
.suma-service>span { color: #58c9ec; font: 800 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace; letter-spacing: .11em; }
.suma-service div { margin-top: auto; }
.suma-service strong { display: block; font-size: 25px; letter-spacing: -.045em; }
.suma-service small { display: block; max-width: 260px; margin-top: 8px; color: rgba(255,255,255,.45); font-size: 11px; line-height: 1.55; }
.suma-service>b { position: absolute; right: 22px; top: 20px; color: rgba(255,255,255,.56); font-size: 15px; }
.suma-youtube { grid-column: 1/-1; min-height: 150px; background: linear-gradient(120deg,rgba(255,45,45,.12),rgba(255,255,255,.035)); }
.suma-youtube>span { color: #ff6868; }
.suma-youtube>b { width: 38px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: #ff3434; color: #fff; font-size: 11px; }

.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.process-grid article { min-height: 250px; padding: 27px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.process-grid span { color: var(--signal); font: 800 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.process-grid h3 { margin: 84px 0 12px; font-size: 21px; letter-spacing: -.04em; }
.process-grid p { margin: 0; color: rgba(255,255,255,.46); font-size: 12px; line-height: 1.62; }

.final-cta { padding: 0 24px 110px; background: var(--bg); }
.final-cta-card { width: min(var(--max), 100%); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .68fr); gap: 6vw; align-items: center; overflow: hidden; padding: clamp(40px, 6vw, 78px); border-radius: 36px; background: linear-gradient(120deg, #edf0ec, #e1ece8); color: var(--ink); }
.final-cta h2 { margin-bottom: 0; font-size: clamp(40px, 4.8vw, 72px); line-height: .98; }
.final-cta-side p { margin: 0; color: #606b65; font-size: 15px; line-height: 1.75; }
.final-cta .text-link { color: #1f2c26; border-color: rgba(7,16,12,.18); }

.page-hero { position: relative; min-height: 78svh; display: flex; align-items: center; overflow: hidden; padding: 140px 24px 86px; background: radial-gradient(circle at 82% 30%, rgba(79,201,239,.12), transparent 28%), radial-gradient(circle at 70% 70%, rgba(66,231,164,.07), transparent 34%), var(--bg); }
.page-hero::before { content: ""; position: absolute; inset: 0; opacity: .34; background-image: linear-gradient(rgba(255,255,255,.034) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.034) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, #000, transparent 85%); }
.page-hero-inner { position: relative; z-index: 1; width: min(var(--max), 100%); margin: 0 auto; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.56fr); align-items: end; gap: 9vw; }
.page-hero h1 { max-width: 940px; font-size: clamp(62px, 7.7vw, 118px); }
.page-hero-copy>p { max-width: 710px; margin: 0; color: rgba(255,255,255,.56); font-size: clamp(16px, 1.2vw, 19px); line-height: 1.76; }
.hero-aside { padding: 28px; border: 1px solid rgba(255,255,255,.12); border-radius: 26px; background: rgba(255,255,255,.045); backdrop-filter: blur(14px); }
.hero-aside small { color: var(--cyan); font: 800 8px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .13em; text-transform: uppercase; }
.hero-aside strong { display: block; margin: 22px 0 16px; font-size: 22px; line-height: 1.25; letter-spacing: -.04em; }
.hero-aside p { margin: 0; color: rgba(255,255,255,.46); font-size: 13px; line-height: 1.65; }

.content-section { background: var(--paper); color: var(--ink); }
.content-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(48px, 8vw, 110px); padding: 100px 0 120px; }
.toc { position: sticky; top: 110px; align-self: start; display: flex; flex-direction: column; gap: 4px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.toc strong { margin-bottom: 12px; color: #758079; font: 800 8px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; text-transform: uppercase; }
.toc a { padding: 8px 0; color: #56615b; font-size: 12px; font-weight: 700; }
.toc a:hover { color: #0a1510; }
.prose { min-width: 0; }
.prose>p:first-child { margin-top: 0; color: #35433c; font-size: 21px; line-height: 1.65; letter-spacing: -.02em; }
.prose h2 { margin: 82px 0 20px; font-size: clamp(35px, 4vw, 55px); letter-spacing: -.055em; line-height: 1; }
.prose h3 { margin: 42px 0 14px; font-size: 25px; letter-spacing: -.04em; }
.prose p, .prose li { color: #56625c; font-size: 16px; line-height: 1.82; }
.prose ul, .prose ol { margin: 22px 0; padding-left: 22px; }
.prose li+li { margin-top: 10px; }
.prose strong { color: #17231d; }
.prose a { color: #087c4a; text-decoration: underline; text-underline-offset: 4px; }
.answer-box { margin: 38px 0; padding: 28px 30px; border: 1px solid rgba(24,141,90,.2); border-radius: 24px; background: linear-gradient(135deg, rgba(66,231,164,.11), rgba(79,201,239,.05)); }
.answer-box small { color: #118353; font: 800 8px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .13em; text-transform: uppercase; }
.answer-box p { margin: 13px 0 0; color: #27372f; font-size: 18px; line-height: 1.62; }
.quote { margin: 46px 0; padding: 10px 0 10px 28px; border-left: 2px solid var(--signal-strong); color: #23332b; font-size: 22px; line-height: 1.55; letter-spacing: -.025em; }
.inline-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin: 30px 0; }
.inline-card { min-height: 210px; padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.inline-card span { color: #148b58; font: 800 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.inline-card h3 { margin: 58px 0 10px; font-size: 21px; }
.inline-card p { margin: 0; font-size: 13px; line-height: 1.65; }
.comparison { margin: 32px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.comparison table { width: 100%; min-width: 660px; border-collapse: collapse; }
.comparison th, .comparison td { padding: 18px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { background: #0a120f; color: #fff; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.comparison td { color: #536059; font-size: 13px; line-height: 1.55; }
.comparison tr:last-child td { border-bottom: 0; }

.faq-list { display: grid; gap: 8px; margin-top: 34px; }
.faq-list details { border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.faq-list summary { position: relative; padding: 22px 58px 22px 24px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 800; letter-spacing: -.02em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); color: #158c58; font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin: 0; padding: 0 24px 24px; color: #5f6b65; font-size: 14px; line-height: 1.72; }

.contact-section { background: var(--paper); color: var(--ink); }
.contact-shell { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 100px 0 120px; display: grid; grid-template-columns: minmax(0,.72fr) minmax(0,1.1fr); gap: 70px; }
.contact-copy h2 { margin: 18px 0 22px; font-size: clamp(46px,5vw,72px); letter-spacing: -.06em; line-height: .95; }
.contact-copy p { color: #64706a; font-size: 15px; line-height: 1.75; }
.contact-options { display: grid; gap: 10px; margin-top: 34px; }
.contact-option { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.contact-option small { color: #7b8580; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-option strong { display: block; margin-top: 5px; font-size: 17px; }
.contact-option span { color: #138a56; }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; padding: 32px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: #4f5b55; font-size: 11px; font-weight: 800; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--line); border-radius: 13px; background: #f6f7f5; color: #101a15; padding: 14px 15px; }
.field textarea { min-height: 150px; resize: vertical; }
.check-field { grid-column: 1/-1; display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; color: #65716b; font-size: 11px; line-height: 1.55; }
.check-field input { margin-top: 3px; }
.contact-form .button { grid-column: 1/-1; width: max-content; border: 0; cursor: pointer; }
.form-note { grid-column: 1/-1; min-height: 20px; margin: 0; color: #69746e; font-size: 11px; line-height: 1.5; }
.form-note.success { color: #0b7e4b; font-weight: 750; }
.field>small[data-validate-for] { color: #b13737; font-size: 10px; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.knowledge-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.knowledge-card { min-height: 300px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 26px; background: #fff; }
.knowledge-card span { color: #138b57; font: 800 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.knowledge-card h3 { margin: auto 0 13px; font-size: 27px; letter-spacing: -.045em; }
.knowledge-card p { margin: 0; color: #66716b; font-size: 13px; line-height: 1.68; }
.knowledge-card a { display: flex; justify-content: space-between; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 11px; font-weight: 800; }

.legal-page { background: var(--paper); color: var(--ink); }
.legal-hero { padding: 160px 24px 70px; background: #dfe7e2; }
.legal-hero-inner { width: min(980px, 100%); margin: 0 auto; }
.legal-hero h1 { margin: 18px 0 0; font-size: clamp(52px, 7vw, 92px); letter-spacing: -.065em; line-height: .95; }
.legal-content { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 70px 0 120px; }
.legal-content h2 { margin: 56px 0 14px; font-size: 28px; letter-spacing: -.04em; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { margin: 34px 0 10px; font-size: 20px; }
.legal-content p, .legal-content li { color: #59655e; font-size: 14px; line-height: 1.78; }
.legal-content a { color: #087c4a; text-decoration: underline; text-underline-offset: 4px; }
.legal-note { padding: 20px 22px; border: 1px solid rgba(21,140,87,.22); border-radius: 18px; background: rgba(66,231,164,.08); }

.site-footer { padding: 70px clamp(22px, 4.5vw, 72px) 28px; border-top: 1px solid rgba(255,255,255,.08); background: #030605; color: #fff; }
.footer-top { display: grid; grid-template-columns: 1fr minmax(260px,.7fr) 1fr; align-items: center; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.09); }
.footer-top>p { margin: 0; color: rgba(255,255,255,.43); font-size: 12px; line-height: 1.7; }
.footer-phone { justify-self: end; display: flex; flex-direction: column; align-items: flex-end; }
.footer-phone small { color: var(--signal); font: 800 8px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; }
.footer-phone strong { margin-top: 7px; font-size: 20px; letter-spacing: .05em; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding: 54px 0; }
.footer-links>div { display: flex; flex-direction: column; gap: 12px; }
.footer-links strong { margin-bottom: 8px; color: rgba(255,255,255,.92); font-size: 11px; }
.footer-links a { color: rgba(255,255,255,.42); font-size: 11px; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.3); font-size: 9px; letter-spacing: .07em; text-transform: uppercase; }

.reveal { opacity: 1; transform: none; transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1120px) {
  .site-header { grid-template-columns: 1fr auto; }
  .main-nav { order: 3; grid-column: 1/-1; display: none; }
  .nav-toggle { justify-self: end; width: 46px; height: 42px; display: grid; place-content: center; gap: 4px; border: 1px solid rgba(255,255,255,.17); border-radius: 13px; background: rgba(255,255,255,.05); color: #fff; }
  .nav-toggle span { width: 18px; height: 1px; background: #fff; }
  .nav-toggle b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .header-call { display: none; }
  .main-nav.is-open { position: fixed; inset: 86px 0 0; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; padding: 36px 24px; background: rgba(4,8,7,.98); backdrop-filter: blur(24px); }
  .main-nav.is-open a { padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.09); color: rgba(255,255,255,.85); font-size: 20px; }
  .hero-inner { grid-template-columns: minmax(0,1fr) minmax(320px,.72fr); gap: 40px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .platform-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .hero { min-height: 0; padding-top: 142px; }
  .hero-inner, .page-hero-inner, .section-heading, .split-feature, .final-cta-card, .contact-shell { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(50px, 11vw, 76px); }
  .signal-stage { min-height: 455px; }
  .page-hero { min-height: 0; }
  .page-hero-inner { gap: 46px; }
  .hero-aside { max-width: 620px; }
  .section-heading { gap: 28px; }
  .stat-band, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .content-shell { grid-template-columns: 1fr; }
  .toc { position: static; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 2px 18px; }
  .toc strong { grid-column: 1/-1; }
  .final-cta-card { gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top>p { display: none; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .sumasearch-shell { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header { min-height: 70px; padding: 10px 16px; }
  .site-header.is-scrolled { min-height: 64px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 11px; }
  .brand-copy small { display: none; }
  .main-nav.is-open { top: 70px; }
  .hero { padding: 118px 18px 70px; }
  .hero-inner, .hero-copy, .page-hero-inner, .page-hero-copy { width: 100%; min-width: 0; }
  .eyebrow { max-width: 100%; flex-wrap: wrap; overflow-wrap: anywhere; }
  .hero h1, .page-hero h1 { max-width: 100%; margin-top: 22px; font-size: clamp(46px, 13.5vw, 61px); line-height: .92; overflow-wrap: break-word; }
  .hero-lead, .page-hero-copy>p { font-size: 15px; }
  .button-row { align-items: stretch; }
  .button { width: 100%; }
  .text-link { width: 100%; text-align: center; }
  .hero-proof { margin-top: 34px; }
  .signal-stage { min-height: 440px; border-radius: 28px; }
  .stage-label { left: 22px; top: 22px; }
  .stage-status { right: 20px; top: 18px; }
  .stage-query, .stage-answer { left: 18px; right: 18px; }
  .stage-query { top: 92px; }
  .stage-answer { top: 195px; padding: 20px; }
  .stage-answer strong { font-size: 17px; }
  .stage-sources { left: 18px; right: 18px; bottom: 28px; }
  .section-inner { width: calc(100% - 32px); padding: 78px 0; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2, .statement h2, .final-cta h2 { font-size: clamp(40px, 12vw, 54px); }
  .section-heading p { font-size: 14px; }
  .service-grid, .platform-grid, .signal-list, .inline-card-grid, .knowledge-grid { grid-template-columns: 1fr; }
  .sumasearch-promo { padding: 12px; }
  .sumasearch-shell { gap: 42px; padding: 46px 22px; border-radius: 28px; }
  .sumasearch-wordmark { margin-top: 25px; }
  .sumasearch-services { grid-template-columns: 1fr; }
  .suma-service, .suma-youtube { grid-column: auto; min-height: 160px; }
  .service-card { min-height: 320px; border-radius: 22px; }
  .stat-band, .process-grid { grid-template-columns: 1fr; }
  .stat-band article, .process-grid article { min-height: 170px; }
  .process-grid h3 { margin-top: 48px; }
  .page-hero { padding: 120px 16px 70px; }
  .hero-aside { padding: 23px; }
  .content-shell { width: calc(100% - 32px); padding: 70px 0 84px; gap: 40px; }
  .toc { grid-template-columns: 1fr; }
  .prose>p:first-child { font-size: 18px; }
  .prose h2 { margin-top: 62px; font-size: 38px; }
  .prose h3 { font-size: 23px; }
  .prose p, .prose li { font-size: 15px; }
  .answer-box { padding: 23px; }
  .answer-box p { font-size: 16px; }
  .final-cta { padding: 0 16px 76px; }
  .final-cta-card { padding: 46px 24px; border-radius: 28px; }
  .contact-shell { width: calc(100% - 32px); padding: 74px 0 84px; gap: 40px; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; border-radius: 23px; }
  .field.full, .check-field, .contact-form .button, .form-note { grid-column: 1; }
  .contact-form .button { width: 100%; }
  .site-footer { padding: 54px 18px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-phone { justify-self: start; align-items: flex-start; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 38px 20px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .legal-hero { padding: 124px 18px 54px; }
  .legal-hero h1 { font-size: clamp(44px, 13vw, 58px); overflow-wrap: anywhere; }
  .legal-content { width: calc(100% - 32px); padding: 54px 0 84px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}