:root {
  --navy-950: #041226;
  --navy-900: #071a34;
  --navy-800: #0b2a50;
  --blue-600: #1d73f1;
  --blue-500: #338cff;
  --cyan-400: #2ed3e8;
  --ink: #0b1930;
  --muted: #5c6d83;
  --line: #dce5ef;
  --surface: #f5f8fc;
  --white: #ffffff;
  --green: #15b879;
  --shadow: 0 24px 70px rgba(6, 25, 54, .14);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 1000; padding: 10px 16px; background: white; color: var(--ink); border-radius: 8px; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: 78px; color: white; border-bottom: 1px solid rgba(255,255,255,.12); transition: background .25s, box-shadow .25s; }
.site-header.scrolled { background: rgba(4,18,38,.94); box-shadow: 0 12px 32px rgba(0,0,0,.16); backdrop-filter: blur(16px); }
.nav-wrap { height: 100%; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 180px; }
.brand img { width: 39px; height: 39px; object-fit: contain; filter: drop-shadow(0 5px 12px rgba(46,211,232,.28)); }
.brand span { display: flex; flex-direction: column; line-height: 1.1; }
.brand strong { font-size: 19px; letter-spacing: -.02em; }
.brand small { margin-top: 5px; font-size: 10px; color: #9fb2c9; letter-spacing: .08em; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.site-nav a { position: relative; font-size: 14px; color: #c8d5e5; transition: color .2s; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--cyan-400); transition: right .2s; }
.site-nav a:hover, .site-nav a:focus-visible { color: white; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.nav-cta { padding: 10px 17px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; font-size: 13px; transition: .2s; }
.nav-cta:hover { background: white; color: var(--navy-900); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 0; border-radius: 10px; background: rgba(255,255,255,.1); padding: 10px; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: white; border-radius: 2px; }

.hero { position: relative; overflow: hidden; min-height: 820px; padding: 165px 0 40px; color: white; background: radial-gradient(circle at 73% 40%, rgba(34,127,255,.28), transparent 31%), radial-gradient(circle at 88% 18%, rgba(46,211,232,.13), transparent 25%), linear-gradient(135deg, #041124 0%, #071a34 50%, #08294b 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to bottom, black, transparent 86%); }
.hero-orbit { position: absolute; border: 1px solid rgba(96,190,255,.14); border-radius: 50%; transform: rotate(-18deg); }
.hero-orbit-one { width: 760px; height: 310px; right: -160px; top: 190px; }
.hero-orbit-two { width: 550px; height: 220px; right: -40px; top: 250px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 54px; }
.eyebrow, .kicker { color: var(--blue-500); font-size: 12px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: #83dff2; }
.eyebrow span { width: 28px; height: 1px; background: var(--cyan-400); }
.hero h1 { max-width: 590px; margin: 22px 0 24px; font-size: clamp(44px, 5vw, 68px); line-height: 1.08; letter-spacing: -.055em; }
.hero-lead { max-width: 560px; margin: 0; color: #b9c9db; font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 52px; padding: 0 23px; border-radius: 12px; font-weight: 700; font-size: 14px; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, #298cff, #235bd7); box-shadow: 0 16px 36px rgba(23,103,235,.34); }
.button-secondary { color: white; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.06); }
.button-white { background: white; color: var(--navy-900); box-shadow: 0 15px 35px rgba(0,0,0,.18); }
.release-note { display: flex; align-items: flex-start; gap: 11px; margin-top: 30px; }
.status-dot { flex: 0 0 auto; width: 9px; height: 9px; margin-top: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(21,184,121,.12); }
.release-note div { display: flex; flex-direction: column; }
.release-note strong { font-size: 13px; }
.release-note small { margin-top: 2px; color: #849bb5; font-size: 12px; }

.hero-product { position: relative; min-width: 0; padding: 36px 0 66px; }
.product-glow { position: absolute; inset: 11% 6% 3%; background: #1686ff; opacity: .28; filter: blur(70px); }
.app-window { position: relative; overflow: hidden; aspect-ratio: 1.16; border: 1px solid rgba(255,255,255,.19); border-radius: 21px; background: rgba(255,255,255,.97); box-shadow: 0 40px 90px rgba(0,0,0,.38); transform: perspective(1200px) rotateY(-4deg) rotateX(2deg); }
.window-bar { height: 45px; display: flex; align-items: center; justify-content: space-between; padding: 0 15px; color: #486078; background: #f3f7fb; border-bottom: 1px solid #e1e7ef; font-size: 10px; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #c5cfdb; }
.window-dots i:first-child { background: #ff867d; }
.window-secure { color: #159e6c; }
.app-preview { height: calc(100% - 45px); display: grid; grid-template-columns: 50px 126px 1fr; color: var(--ink); }
.app-preview aside { padding-top: 18px; background: #071a34; display: flex; flex-direction: column; align-items: center; gap: 17px; }
.mini-logo { width: 24px; height: 8px; margin-bottom: 10px; border-radius: 50%; border: 2px solid #39b8ef; }
.app-preview aside i { width: 20px; height: 20px; border-radius: 7px; background: rgba(255,255,255,.09); }
.app-preview aside i.active { background: #247df0; }
.channel-list { padding: 17px 9px; background: #f6f8fb; border-right: 1px solid #e2e8f0; }
.channel-list > span { padding: 0 5px; font-size: 8px; font-weight: 800; color: #8494a8; letter-spacing: .08em; }
.channel { display: flex; align-items: center; gap: 7px; margin-top: 10px; padding: 8px 6px; border-radius: 8px; }
.channel.active { color: #0c58c8; background: #e6f0ff; }
.channel b { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; color: white; background: #18b874; font-size: 7px; }
.channel:nth-of-type(2) b { background: #2b76df; }
.channel em { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-style: normal; font-size: 8px; }
.conversation { position: relative; padding: 0 14px; background: linear-gradient(rgba(246,240,230,.84), rgba(246,240,230,.84)), radial-gradient(circle, #c8d5c6 1px, transparent 1px); background-size: auto, 17px 17px; }
.chat-head { height: 45px; margin: 0 -14px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; background: white; border-bottom: 1px solid #e4e8ed; font-size: 9px; }
.chat-head span { color: #129d6b; }
.bubble { max-width: 83%; margin-top: 16px; padding: 9px 10px; border-radius: 9px; background: white; box-shadow: 0 3px 8px rgba(24,35,44,.08); font-size: 9px; line-height: 1.5; }
.bubble small { display: block; margin-top: 5px; padding-top: 5px; border-top: 1px dashed #83aaf9; color: #2168d5; font-size: 8px; }
.bubble.outgoing { margin-left: auto; background: #dffad4; }
.bubble.outgoing small { color: #238450; border-color: #7ccf87; }
.composer { position: absolute; left: 12px; right: 12px; bottom: 12px; height: 33px; padding: 0 8px 0 12px; display: flex; align-items: center; justify-content: space-between; border-radius: 18px; background: white; box-shadow: 0 3px 10px rgba(24,35,44,.12); color: #98a4b2; font-size: 8px; }
.composer b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: white; background: #111; }
.floating-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; min-width: 182px; padding: 13px; border: 1px solid rgba(255,255,255,.5); border-radius: 13px; color: var(--ink); background: rgba(255,255,255,.95); box-shadow: 0 18px 40px rgba(1,13,31,.24); backdrop-filter: blur(14px); }
.floating-card > span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; color: white; background: linear-gradient(135deg, #368df5, #26bedb); font-weight: 800; }
.floating-card div { display: flex; flex-direction: column; line-height: 1.35; }
.floating-card strong { font-size: 11px; }
.floating-card small { margin-top: 2px; color: #76869a; font-size: 8px; }
.floating-a { right: -12px; top: 21px; }
.floating-b { left: -28px; bottom: 22px; }
.floating-b > span { background: linear-gradient(135deg, #18bd7e, #10a267); }
.trust-row { position: relative; z-index: 1; margin-top: 70px; padding: 23px 30px; display: flex; justify-content: center; align-items: center; gap: 25px; border-top: 1px solid rgba(255,255,255,.12); color: #91a7bf; font-size: 12px; letter-spacing: .04em; }
.trust-row i { width: 4px; height: 4px; border-radius: 50%; background: #2bbddd; }

.section { padding: 112px 0; }
.section-light { background: var(--surface); }
.section-heading { max-width: 660px; }
.section-heading h2, .showcase-copy h2, .guide-copy h2 { margin: 10px 0 18px; font-size: clamp(34px, 4vw, 50px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading p, .showcase-copy > p, .guide-copy > p { margin: 0; color: var(--muted); }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; }
.split-heading h2 { max-width: 680px; }
.centered { margin: 0 auto 55px; text-align: center; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 55px; }
.feature-card { min-height: 258px; padding: 30px; border: 1px solid #e0e8f1; border-radius: var(--radius-md); background: white; box-shadow: 0 10px 28px rgba(11,25,48,.045); transition: transform .25s, box-shadow .25s; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 22px 45px rgba(11,25,48,.09); }
.feature-card h3 { margin: 22px 0 9px; font-size: 20px; letter-spacing: -.02em; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }
.feature-card ul { margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.feature-card li { padding: 5px 9px; border-radius: 999px; color: #2966b4; background: #edf5ff; font-size: 11px; }
.feature-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: #1e72df; background: linear-gradient(135deg, #e9f4ff, #eafcff); font-weight: 800; }
.icon-channels { width: auto; display: flex; background: transparent; }
.icon-channels span { display: grid; place-items: center; width: 43px; height: 43px; border: 4px solid white; border-radius: 14px; color: white; background: #19b878; font-size: 10px; box-shadow: 0 6px 16px rgba(20,42,68,.15); }
.icon-channels span + span { margin-left: -8px; background: #2879e0; }
.feature-large { grid-row: span 2; min-height: 534px; padding-top: 42px; background: radial-gradient(circle at 100% 0, #e9f7ff, transparent 45%), white; }
.feature-large h3 { margin-top: 140px; font-size: 27px; }
.feature-wide { grid-column: span 2; min-height: 170px; display: flex; align-items: center; gap: 25px; }
.feature-wide h3 { margin-top: 0; }

.product-section { overflow: hidden; background: white; }
.product-showcase { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 70px; }
.metric-list { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric-list div { padding-top: 14px; border-top: 2px solid #d8e6f5; display: flex; flex-direction: column; }
.metric-list strong { color: var(--blue-600); font-size: 19px; }
.metric-list span { color: var(--muted); font-size: 11px; }
.dashboard-frame { position: relative; margin: 0; padding: 9px; border-radius: 20px; background: #0a1d38; box-shadow: var(--shadow); transform: rotate(1deg); }
.dashboard-frame::before { content: ""; position: absolute; inset: 13% -22% -22% 22%; z-index: -1; border-radius: 50%; background: rgba(48,138,255,.16); filter: blur(70px); }
.dashboard-frame img { width: 100%; border-radius: 0 0 12px 12px; }
.frame-top { height: 30px; display: flex; align-items: center; gap: 5px; padding: 0 10px; color: #a9bad0; }
.frame-top span { width: 6px; height: 6px; border-radius: 50%; background: #58708b; }
.frame-top em { margin-left: 8px; font-style: normal; font-size: 8px; }
.dashboard-frame figcaption { position: absolute; right: 14px; bottom: -31px; color: var(--muted); font-size: 10px; }

.register-section { background: linear-gradient(180deg, #f7faff, white); }
.role-banner { max-width: 980px; margin: 0 auto 34px; padding: 25px 30px; display: flex; align-items: center; gap: 20px; border: 1px solid #cae4ff; border-radius: var(--radius-md); background: linear-gradient(110deg, #edf7ff, #f6fbff); }
.role-icon { flex: 0 0 auto; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; color: white; background: var(--blue-600); font-weight: 800; }
.role-banner strong { font-size: 18px; }
.role-banner p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.steps { max-width: 980px; margin: 0 auto; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; list-style: none; counter-reset: step; }
.steps li { position: relative; min-height: 228px; padding: 27px 22px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.steps li:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; right: -12px; top: 37px; width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; color: var(--blue-600); background: #f3f8ff; border: 1px solid #dcecff; font-size: 11px; }
.steps li > span { color: #2d82ed; font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.steps h3 { margin: 40px 0 9px; font-size: 18px; }
.steps p { margin: 0; color: var(--muted); font-size: 13px; }
.notice-box { max-width: 980px; margin: 22px auto 0; padding: 15px 20px; display: flex; gap: 14px; border-left: 3px solid #e8ab3c; border-radius: 0 10px 10px 0; color: #6b5730; background: #fff9eb; font-size: 12px; }
.notice-box strong { flex: 0 0 auto; }
.register-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.register-actions .button-secondary { color: var(--blue-600); border-color: #bad2ee; background: white; }

.commerce-section { background: linear-gradient(180deg, #eff6ff 0%, #f7fbff 100%); }
.commerce-tabs { width: min(760px, 100%); margin: 35px auto 24px; padding: 6px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; border: 1px solid #d5e3f2; border-radius: 16px; background: rgba(255,255,255,.78); }
.commerce-tabs button { min-height: 48px; padding: 8px 12px; border: 0; border-radius: 11px; color: #526981; background: transparent; cursor: pointer; font-weight: 750; }
.commerce-tabs button[aria-selected="true"] { color: white; background: linear-gradient(135deg, #287feb, #1d63cf); box-shadow: 0 9px 24px rgba(26,101,207,.23); }
.commerce-status { width: min(920px, 100%); margin: 20px auto; padding: 13px 17px; border: 1px solid #bcdaf5; border-radius: 12px; color: #155086; background: #edf8ff; font-size: 13px; }
.commerce-status.error { color: #a22b3b; border-color: #efb8c0; background: #fff2f4; }
.commerce-status.success { color: #087247; border-color: #a8dec8; background: #edfff7; }
.commerce-panel { width: min(980px, 100%); margin: 0 auto; padding: 34px; display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 38px; border: 1px solid #d8e4f1; border-radius: 24px; background: white; box-shadow: 0 26px 70px rgba(16,65,118,.11); }
.commerce-panel[hidden] { display: none; }
.portal-copy { padding: 9px 0; }
.portal-copy > span { display: inline-flex; padding: 5px 9px; border-radius: 999px; color: #1166c9; background: #eaf4ff; font-size: 11px; font-weight: 800; }
.portal-copy h3 { margin: 15px 0 9px; font-size: 30px; line-height: 1.2; letter-spacing: -.035em; }
.portal-copy p { margin: 0; color: var(--muted); font-size: 13px; }
.portal-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.portal-form.compact { grid-template-columns: repeat(3, 1fr); padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.portal-form label, .purchase-form label, .txid-form label { min-width: 0; display: flex; flex-direction: column; gap: 6px; color: #3d526a; font-size: 12px; font-weight: 700; }
.portal-form input, .purchase-form input, .purchase-form select, .txid-form input { width: 100%; min-height: 46px; padding: 0 13px; border: 1px solid #cbd9e8; border-radius: 10px; color: var(--ink); background: #fbfdff; outline: 0; }
.portal-form input:focus, .purchase-form input:focus, .purchase-form select:focus, .txid-form input:focus { border-color: #3d8ced; box-shadow: 0 0 0 3px rgba(47,133,235,.13); }
.verification-row { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 10px; }
.verification-row .button { min-height: 46px; color: var(--blue-600); border-color: #bad2ee; background: white; }
.portal-submit { grid-column: 1 / -1; border: 0; cursor: pointer; }
.portal-stack { min-width: 0; }
.portal-form.compact .portal-submit { grid-column: auto; align-self: end; }
.manager-session { margin-top: 20px; }
.session-line { margin-bottom: 16px; padding: 12px 15px; display: flex; align-items: center; gap: 10px; border-radius: 11px; color: #166044; background: #effbf6; font-size: 12px; }
.session-line strong { margin-right: auto; }
.session-line button { border: 0; color: #526981; background: transparent; cursor: pointer; }
.purchase-form { display: grid; grid-template-columns: 1.2fr .7fr auto; align-items: end; gap: 12px; }
.purchase-form .button { min-height: 46px; border: 0; cursor: pointer; }
.order-history { margin-top: 18px; padding: 15px; border: 1px solid #d6e3f0; border-radius: 12px; background: #fbfdff; }
.order-history h4 { margin: 0 0 9px; }
.order-history [data-order-list] { display: grid; gap: 7px; }
.order-history-row { padding: 9px 11px; border: 1px solid #d6e3f0; border-radius: 8px; color: #35516d; background: white; text-align: left; cursor: pointer; }
.order-history-row:hover, .order-history-row:focus-visible { border-color: #66a8ec; color: #075fbd; }
.payment-card { margin-top: 22px; padding: 23px; border: 1px solid #cadcf0; border-radius: 16px; background: #f8fbff; }
.payment-head { display: flex; justify-content: space-between; gap: 20px; }
.payment-head div { display: flex; flex-direction: column; }
.payment-head span { color: #61758b; font-size: 11px; }
.payment-head strong { color: #075fbd; font-size: 29px; line-height: 1.25; }
.payment-head em { align-self: flex-start; padding: 5px 9px; border-radius: 999px; color: #885700; background: #fff4d5; font-size: 11px; font-style: normal; font-weight: 800; }
.payment-warning { margin: 15px 0; padding: 10px 12px; border-left: 3px solid #f0a520; color: #765313; background: #fff8e8; font-size: 12px; }
.payment-card dl { margin: 0; }
.payment-card dl div { padding: 9px 0; display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px; border-top: 1px solid #dce7f2; }
.payment-card dt { color: #6a7d91; font-size: 11px; }
.payment-card dd { min-width: 0; margin: 0; font-size: 12px; }
.payment-card code { overflow-wrap: anywhere; }
.payment-card dd button, .txid-form button, .code-row button { margin-left: 8px; padding: 4px 8px; border: 1px solid #b8d2ec; border-radius: 7px; color: #1767bd; background: white; cursor: pointer; font-size: 11px; }
.payment-actions { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; }
.payment-actions button { min-height: 44px; border: 0; cursor: pointer; }
.payment-actions .button-secondary { color: #1767bd; border: 1px solid #b8d2ec; background: white; }
.txid-form { margin-top: 17px; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 10px; }
.txid-form button { min-height: 46px; margin: 0; padding: 0 15px; font-weight: 750; }
.activation-codes { margin-top: 20px; padding-top: 17px; border-top: 1px solid #dce7f2; }
.activation-codes h4 { margin: 0; }
.activation-codes > p { margin: 3px 0 12px; color: #6a7d91; font-size: 11px; }
.activation-codes > .button { margin-top: 12px; }
.code-row { margin-top: 8px; padding: 10px 12px; display: flex; align-items: center; gap: 9px; border-radius: 9px; background: white; }
.code-row code { flex: 1; font-size: 11px; }
.code-row small { color: #687b90; white-space: nowrap; }

.pricing-section { color: white; background: radial-gradient(circle at 50% 15%, rgba(47,128,239,.25), transparent 36%), var(--navy-950); }
.light-heading .kicker { color: #72d9ed; }
.light-heading p { color: #9db0c6; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; gap: 18px; }
.price-card { position: relative; min-height: 365px; padding: 35px; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; background: rgba(255,255,255,.055); }
.price-card.featured { min-height: 400px; padding-top: 52px; border-color: #3e8ff7; background: linear-gradient(180deg, rgba(46,131,246,.18), rgba(255,255,255,.06)); box-shadow: 0 25px 65px rgba(0,55,140,.28); }
.popular { position: absolute; top: 0; right: 28px; padding: 6px 12px; border-radius: 0 0 9px 9px; color: white; background: var(--blue-600); font-size: 10px; font-weight: 700; }
.plan-name { color: #80a3c7; font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.price { margin-top: 16px; display: flex; align-items: baseline; gap: 9px; }
.price b { font-size: 56px; line-height: 1; letter-spacing: -.055em; }
.price span { color: #7fcfe9; font-size: 12px; font-weight: 800; }
.price-card > p { color: #9eb2c7; font-size: 13px; }
.price-card ul { margin: 28px 0 0; padding: 25px 0 0; border-top: 1px solid rgba(255,255,255,.1); list-style: none; }
.price-card li { position: relative; margin: 11px 0; padding-left: 23px; color: #c6d2df; font-size: 13px; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: #34d5ac; font-weight: 800; }
.calculator { margin-top: 28px; padding: 25px 28px; display: grid; grid-template-columns: 1.2fr .9fr .9fr .7fr; align-items: end; gap: 22px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(255,255,255,.06); }
.calculator h3 { margin: 4px 0 2px; font-size: 20px; }
.calculator p { margin: 0; color: #89a0b9; font-size: 11px; }
.calculator label { display: flex; flex-direction: column; gap: 7px; color: #9fb2c6; font-size: 11px; }
.calculator select, .counter { height: 46px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; color: white; background: #0b2748; }
.calculator select { padding: 0 12px; }
.counter { display: grid; grid-template-columns: 40px 1fr 40px; overflow: hidden; }
.counter button, .counter input { min-width: 0; border: 0; color: white; background: transparent; text-align: center; }
.counter button { cursor: pointer; font-size: 20px; }
.counter button:hover { background: rgba(255,255,255,.08); }
.counter input { appearance: textfield; }
.counter input::-webkit-outer-spin-button, .counter input::-webkit-inner-spin-button { appearance: none; margin: 0; }
.calc-total { display: flex; flex-direction: column; text-align: right; }
.calc-total > span, .calc-total small { color: #8da5bd; font-size: 10px; }
.calc-total strong { font-size: 14px; }
.calc-total b { color: #66dce9; font-size: 29px; }
.payment-note { margin: 18px 0 0; color: #7890a8; text-align: center; font-size: 11px; }

.guide-grid { display: grid; grid-template-columns: .76fr 1.24fr; gap: 90px; }
.guide-copy { position: sticky; top: 115px; align-self: start; }
.download-card { margin-top: 30px; padding: 17px 18px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 13px; border: 1px solid #cfe3fa; border-radius: 15px; background: white; box-shadow: 0 10px 24px rgba(13,73,143,.07); transition: transform .2s, box-shadow .2s; }
.download-card:hover { transform: translateY(-2px); box-shadow: 0 17px 32px rgba(13,73,143,.12); }
.download-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: white; background: linear-gradient(135deg, #318cf5, #1c68dc); font-size: 20px; font-weight: 800; }
.download-card > span:nth-child(2) { display: flex; flex-direction: column; line-height: 1.45; }
.download-card strong { font-size: 14px; }
.download-card small { color: var(--muted); font-size: 10px; }
.download-card b { color: var(--blue-600); }
.guide-callout { margin-top: 35px; padding: 20px; display: flex; gap: 13px; border-radius: 15px; color: #15537f; background: #e8f6ff; }
.guide-callout span { flex: 0 0 auto; display: grid; place-items: center; width: 38px; height: 27px; border-radius: 8px; color: white; background: #2182e6; font-size: 10px; font-weight: 800; }
.guide-callout p { margin: 0; font-size: 12px; }
.usage-list { margin: 0; padding: 0; list-style: none; }
.usage-list li { display: grid; grid-template-columns: 62px 1fr; gap: 22px; padding: 0 0 34px; }
.usage-list li:not(:last-child) { border-bottom: 1px solid var(--line); margin-bottom: 34px; }
.usage-list > li > span { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid #cae0f7; border-radius: 16px; color: var(--blue-600); background: white; font-size: 12px; font-weight: 900; box-shadow: 0 7px 18px rgba(12,65,130,.07); }
.usage-list h3 { margin: 0 0 8px; font-size: 20px; }
.usage-list p { margin: 0; color: var(--muted); font-size: 14px; }

.faq-section { background: white; }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; font-weight: 700; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; background: #edf4fb; }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; left: 6px; right: 6px; top: 10px; height: 2px; background: #2c70c5; }
.accordion summary span::after { transform: rotate(90deg); transition: transform .2s; }
.accordion details[open] summary span::after { transform: rotate(0); }
.accordion details p { margin: -4px 40px 24px 0; color: var(--muted); font-size: 13px; }

.final-cta { padding: 65px 0; color: white; background: linear-gradient(110deg, #1669dd, #139fca); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.cta-inner .kicker { color: #b8f2ff; }
.cta-inner h2 { margin: 4px 0 2px; font-size: 35px; letter-spacing: -.035em; }
.cta-inner p { margin: 0; color: #d7efff; }
.site-footer { padding: 70px 0 25px; color: #a2b3c7; background: var(--navy-950); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; }
.footer-brand { color: white; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-grid > div:first-child p { max-width: 340px; color: #7389a2; font-size: 12px; }
.footer-grid > div > strong { margin-bottom: 7px; color: white; font-size: 13px; }
.footer-grid > div > a, .footer-grid > div > span { color: #8398af; font-size: 12px; }
.footer-grid > div > a:hover { color: white; }
.footer-bottom { margin-top: 48px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.08); color: #61778f; font-size: 10px; }

@media (max-width: 1000px) {
  .site-nav { gap: 16px; }
  .nav-cta { display: none; }
  .hero { min-height: auto; padding-top: 130px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; text-align: center; margin: 0 auto; }
  .hero h1, .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .release-note { justify-content: center; text-align: left; }
  .hero-product { width: min(700px, 100%); margin: 0 auto; }
  .split-heading, .product-showcase, .guide-grid, .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  .split-heading { gap: 8px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-large { grid-row: auto; min-height: 300px; }
  .feature-large h3 { margin-top: 70px; }
  .feature-wide { grid-column: span 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(2)::after { display: none; }
  .calculator { grid-template-columns: 1fr 1fr; }
  .calc-total { text-align: left; }
  .guide-copy { position: static; }
  .commerce-panel { grid-template-columns: 1fr; gap: 18px; }
  .portal-form.compact { grid-template-columns: 1fr 1fr; }
  .portal-form.compact .portal-submit { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 620px); }
  .site-header { height: 68px; }
  .nav-wrap { justify-content: space-between; }
  .brand { min-width: 0; }
  .brand img { width: 34px; height: 34px; }
  .brand strong { font-size: 17px; }
  .brand small { display: none; }
  .nav-toggle { display: block; }
  .site-nav { position: fixed; inset: 68px 0 auto; max-height: 0; overflow: hidden; margin: 0; padding: 0 22px; flex-direction: column; align-items: stretch; gap: 0; color: white; background: rgba(4,18,38,.98); transition: max-height .25s, padding .25s; }
  .site-nav.open { max-height: 370px; padding-top: 12px; padding-bottom: 18px; border-top: 1px solid rgba(255,255,255,.1); }
  .site-nav a { padding: 12px 6px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .site-nav a::after { display: none; }
  .hero { padding-top: 114px; }
  .hero h1 { font-size: clamp(38px, 12vw, 52px); }
  .hero-lead { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .release-note { justify-content: flex-start; }
  .app-window { transform: none; }
  .floating-card { display: none; }
  .trust-row { margin-top: 25px; flex-wrap: wrap; gap: 10px 15px; }
  .section { padding: 78px 0; }
  .section-heading h2, .showcase-copy h2, .guide-copy h2 { font-size: 34px; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .feature-wide { grid-column: auto; display: block; }
  .feature-wide h3 { margin-top: 22px; }
  .feature-large { min-height: 0; }
  .feature-large h3 { margin-top: 50px; }
  .dashboard-frame { transform: none; }
  .metric-list { grid-template-columns: 1fr; }
  .role-banner { align-items: flex-start; padding: 22px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { min-height: 0; }
  .steps li::after { display: none; }
  .steps h3 { margin-top: 24px; }
  .notice-box { flex-direction: column; gap: 3px; }
  .commerce-tabs { grid-template-columns: 1fr; }
  .commerce-panel { padding: 22px 17px; }
  .portal-form, .portal-form.compact, .purchase-form, .txid-form { grid-template-columns: 1fr; }
  .verification-row { grid-template-columns: 1fr; }
  .verification-row .button { width: 100%; }
  .payment-head { flex-direction: column; }
  .payment-card dl div { grid-template-columns: 1fr; gap: 2px; }
  .payment-card dd button { margin: 7px 0 0; }
  .code-row { align-items: flex-start; flex-wrap: wrap; }
  .code-row code { flex-basis: 100%; }
  .price-card, .price-card.featured { min-height: 0; }
  .calculator { grid-template-columns: 1fr; }
  .calc-total { padding-top: 15px; border-top: 1px solid rgba(255,255,255,.1); }
  .guide-grid, .faq-grid { gap: 35px; }
  .usage-list li { grid-template-columns: 48px 1fr; gap: 15px; }
  .usage-list > li > span { width: 46px; height: 46px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .button-white { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 35px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 430px) {
  .hero-product { display: none; }
  .hero { padding-bottom: 65px; }
  .trust-row { margin-top: 45px; }
  .trust-row i { display: none; }
  .trust-row span { width: calc(50% - 8px); text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}