/* AllHigher company site */
:root {
  --ink: #0b172a;
  --navy: #07111f;
  --navy-2: #0a1a2f;
  --blue: #2563eb;
  --blue-2: #3b82f6;
  --cyan: #22d3ee;
  --muted: #607089;
  --line: #e3e9f2;
  --paper: #f6f8fb;
  --white: #ffffff;
  --radius: 18px;
  --shell: 1240px;
  --shadow: 0 24px 70px -34px rgba(8, 25, 48, .35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; -webkit-font-smoothing: antialiased; font-size: 15px; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.shell { width: min(var(--shell), calc(100% - 48px)); margin: 0 auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow i { width: 18px; height: 2px; background: var(--cyan); display: inline-block; }
.eyebrow.light { color: #8ec5ff; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { letter-spacing: -.035em; line-height: 1.15; }
h1 { font-size: clamp(38px, 5vw, 68px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.3vw, 46px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 750; }
p { color: var(--muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 10px; height: 48px; padding: 0 20px; font-weight: 700; font-size: 14px; transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; box-shadow: 0 12px 26px -14px rgba(37, 99, 235, .9); }
.btn-ghost { border-color: rgba(11, 23, 42, .16); color: var(--ink); background: rgba(255,255,255,.4); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-light { background: #fff; color: var(--navy); }
.btn.full { width: 100%; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-size: 13px; font-weight: 750; }
.text-link svg { transition: transform .2s; }
.text-link:hover svg { transform: translateX(4px); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(227,233,242,.85); }
.nav-shell { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, #0b172a, #1d4ed8); box-shadow: 0 8px 20px -10px rgba(29,78,216,.7); }
.brand-word { display: flex; flex-direction: column; line-height: 1.05; }
.brand-word b { font-size: 17px; letter-spacing: -.03em; }
.brand-word small { margin-top: 4px; font-size: 10px; letter-spacing: .12em; color: var(--muted); font-weight: 700; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { position: relative; font-size: 13.5px; font-weight: 650; color: #34445b; padding: 6px 0; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--blue); transition: right .2s; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a:hover::after, .main-nav a.active::after { right: 0; }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--ink); color: #fff; border-radius: 9px; padding: 10px 14px; font-size: 12.5px; font-weight: 700; }
.nav-cta:hover { background: var(--blue); }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 10px; }
.nav-toggle span { display: block; height: 1.5px; background: var(--ink); margin: 4px 0; }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 78px 0 92px; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(107,145,196,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(107,145,196,.08) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(circle at 50% 30%, #000 0, transparent 72%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(20px); opacity: .5; pointer-events: none; }
.glow-one { width: 520px; height: 520px; background: radial-gradient(circle, rgba(37,99,235,.55), transparent 66%); top: -180px; right: 8%; }
.glow-two { width: 380px; height: 380px; background: radial-gradient(circle, rgba(34,211,238,.28), transparent 68%); bottom: -160px; left: -80px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.hero-copy .eyebrow { color: #8ec5ff; }
.hero h1 { margin: 20px 0 22px; color: #fff; }
.hero h1 em { font-style: normal; color: #7dd3fc; background: linear-gradient(90deg, #7dd3fc, #a5b4fc); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { max-width: 550px; color: #a9bad0; font-size: 16px; line-height: 1.8; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero .btn-ghost { color: #e6edf8; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.04); }
.hero .btn-ghost:hover { border-color: #7dd3fc; color: #fff; }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 28px; color: #8296b0; font-size: 12px; }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 5px rgba(52,211,153,.12); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(52,211,153,0); } }

/* Device mock */
.hero-visual { position: relative; }
.device-window { position: relative; background: #0b1b2f; border: 1px solid rgba(125,211,252,.22); border-radius: 17px; box-shadow: 0 40px 90px -35px rgba(0,0,0,.8); overflow: hidden; transform: perspective(1200px) rotateY(-4deg) rotateX(2deg); }
.window-bar { display: flex; align-items: center; gap: 14px; padding: 13px 16px; background: #081625; border-bottom: 1px solid rgba(125,211,252,.13); color: #7088a5; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #263d56; }
.window-live { margin-left: auto; color: #34d399; font-size: 9px; }
.window-body { padding: 22px; background: radial-gradient(circle at 85% 0, rgba(37,99,235,.18), transparent 40%); }
.window-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 16px; }
.window-head .eyebrow { font-size: 9px; color: #7dd3fc; }
.window-head b { display: block; margin-top: 4px; font-size: 15px; color: #eaf4ff; }
.window-count { font-size: 30px; font-weight: 800; color: #fff; letter-spacing: -.04em; }
.window-count small { font-size: 12px; color: #6f89a6; font-weight: 500; }
.mini-devices { display: flex; flex-direction: column; gap: 8px; }
.mini-device { display: flex; align-items: center; gap: 11px; padding: 10px 11px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.07); border-radius: 10px; }
.mini-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: #0e2b45; color: #67e8f9; }
.mini-device b { display: block; font-size: 11.5px; color: #dcecff; }
.mini-device small { display: block; font-size: 9.5px; color: #7890a9; margin-top: 2px; }
.mini-device i { margin-left: auto; width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 9px #34d399; }
.mini-device.warm i { background: #fbbf24; box-shadow: 0 0 9px #fbbf24; }
.mini-chart { margin-top: 16px; padding: 12px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); border-radius: 10px; }
.chart-label { display: flex; align-items: center; justify-content: space-between; font-size: 9.5px; color: #7890a9; }
.chart-label b { color: #34d399; font-size: 11px; }
.bars { height: 72px; display: flex; align-items: flex-end; gap: 5px; margin-top: 11px; }
.bars i { flex: 1; border-radius: 3px 3px 1px 1px; background: linear-gradient(180deg, #38bdf8, #1d4ed8); opacity: .8; animation: barIn .8s ease both; }
@keyframes barIn { from { height: 0 !important; opacity: 0; } }
.floating-card { position: absolute; display: flex; align-items: center; gap: 10px; background: rgba(10,30,51,.94); border: 1px solid rgba(125,211,252,.2); backdrop-filter: blur(12px); padding: 10px 13px; border-radius: 11px; box-shadow: 0 18px 40px -20px #000; }
.floating-card > span { color: #67e8f9; }
.floating-card b { display: block; color: #eaf4ff; font-size: 10.5px; }
.floating-card small { display: block; color: #7890a9; font-size: 9px; margin-top: 1px; }
.float-a { left: -30px; bottom: 40px; }
.float-b { right: -22px; top: 50px; }

/* Stats */
.stats-bar { background: #0d1c30; color: #fff; border-top: 1px solid rgba(125,211,252,.12); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr) 1.3fr; align-items: center; }
.stats-grid > div { padding: 25px 26px; border-right: 1px solid rgba(255,255,255,.09); }
.stats-grid > div:first-child { padding-left: 0; }
.stats-grid b { display: block; font-size: 32px; letter-spacing: -.04em; font-weight: 800; color: #fff; }
.stats-grid span { display: block; color: #7e95ae; font-size: 11px; margin-top: 3px; }
.stats-note { border-right: 0 !important; display: flex; align-items: center; gap: 12px; color: #67e8f9; justify-content: flex-end; padding-right: 0 !important; }
.stats-note span { color: #9fb4cc; line-height: 1.5; }

/* Sections */
.section { padding: 92px 0; }
.products-section { background: var(--white); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
.section-head h2 { margin: 7px 0 10px; }
.section-head p { max-width: 520px; margin-bottom: 0; }
.section-head .text-link { padding-bottom: 8px; flex: none; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; }
.product-card:hover { transform: translateY(-5px); border-color: #c9d8ee; box-shadow: var(--shadow); }
.product-card-link { display: block; height: 100%; }
.product-visual { position: relative; height: 200px; overflow: hidden; background: radial-gradient(circle at 70% 20%, #e0f2fe, transparent 45%), linear-gradient(145deg, #eef5ff, #e6edf8); }
.product-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(37,99,235,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(37,99,235,.07) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(to bottom, #000, transparent); }
.product-visual.has-image { background: #e9eff7; }
.product-visual.has-image img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.product-glyph { position: absolute; left: 50%; top: 50%; width: 98px; height: 98px; transform: translate(-50%, -50%); border-radius: 25px; display: grid; place-items: center; color: #2563eb; background: linear-gradient(145deg, #fff, #dbeafe); border: 1px solid rgba(37,99,235,.18); box-shadow: 0 22px 42px -22px rgba(37,99,235,.55); }
.product-orbit { position: absolute; border: 1px solid rgba(37,99,235,.18); border-radius: 50%; }
.orbit-a { width: 190px; height: 190px; left: calc(50% - 95px); top: calc(50% - 95px); }
.orbit-b { width: 280px; height: 280px; left: calc(50% - 140px); top: calc(50% - 140px); opacity: .5; }
.product-chip { position: absolute; right: 14px; bottom: 13px; font-size: 9px; font-weight: 700; letter-spacing: .08em; color: #2563eb; background: rgba(255,255,255,.85); border: 1px solid rgba(37,99,235,.15); padding: 4px 7px; border-radius: 5px; }
.product-card-body { padding: 20px 20px 22px; }
.product-card-body h3 { margin: 7px 0 7px; font-size: 20px; }
.product-card-body p { min-height: 44px; margin-bottom: 14px; font-size: 13px; line-height: 1.7; }
.product-features { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 17px; }
.product-features span { font-size: 10px; color: #51637a; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 3px 6px; }

/* Solutions */
.solutions-section { background: var(--paper); }
.solution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.solution-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; min-height: 285px; transition: transform .25s, box-shadow .25s; }
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.solution-num { position: absolute; top: 22px; right: 22px; font-size: 42px; font-weight: 800; color: #f0f4f9; letter-spacing: -.06em; }
.solution-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; color: var(--blue); background: #eff6ff; margin-bottom: 22px; }
.solution-card h3 { font-size: 21px; margin-bottom: 10px; }
.solution-card p { font-size: 13px; line-height: 1.8; min-height: 72px; }
.solution-tags { display: block; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: #7c8ca2; font-size: 10px; letter-spacing: .02em; }

/* About */
.about-section { background: #fff; }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.about-visual { position: relative; }
.about-frame { position: relative; height: 370px; border-radius: 22px; overflow: hidden; background: linear-gradient(145deg, #0b172a, #123b67); display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; }
.about-frame::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 70% 20%, rgba(34,211,238,.28), transparent 40%), linear-gradient(rgba(125,211,252,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(125,211,252,.07) 1px, transparent 1px); background-size: auto, 32px 32px, 32px 32px; }
.about-big { position: relative; font-size: 92px; font-weight: 800; letter-spacing: -.07em; line-height: 1; }
.about-frame > span:last-child { position: relative; margin-top: 8px; color: #9fb4cc; font-size: 12px; letter-spacing: .16em; }
.about-badge { position: absolute; right: -18px; bottom: -22px; display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 13px 16px; box-shadow: var(--shadow); color: var(--blue); }
.about-badge span { color: #52657e; font-size: 10px; line-height: 1.5; }
.about-copy h2 { margin: 8px 0 22px; max-width: 560px; }
.rich-text p { margin-bottom: 14px; font-size: 14px; line-height: 1.9; }
.rich-text.large p { font-size: 15px; line-height: 1.95; color: #4e6078; }

/* CTA */
.cta-section { background: var(--navy); color: #fff; padding: 58px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { margin: 9px 0 8px; color: #fff; font-size: clamp(25px, 3vw, 38px); }
.cta-inner p { margin: 0; color: #9db1c8; }

/* Page hero */
.page-hero { background: var(--navy); color: #fff; padding: 78px 0 70px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 20%, rgba(37,99,235,.3), transparent 45%), linear-gradient(rgba(125,211,252,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(125,211,252,.06) 1px, transparent 1px); background-size: auto, 40px 40px, 40px 40px; }
.page-hero .shell { position: relative; }
.page-hero h1 { margin: 10px 0 12px; color: #fff; }
.page-hero p { max-width: 640px; margin: 0; color: #9db1c8; font-size: 16px; }

/* Product detail */
.product-detail-hero { background: var(--navy); color: #fff; padding: 60px 0 70px; position: relative; overflow: hidden; }
.product-detail-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 10%, rgba(37,99,235,.35), transparent 45%); }
.detail-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.back-link { display: inline-block; color: #8ec5ff; font-size: 12px; margin-bottom: 30px; }
.detail-copy h1 { margin: 9px 0 16px; color: #fff; }
.detail-copy p { color: #a9bad0; font-size: 16px; line-height: 1.8; max-width: 520px; }
.detail-visual { height: 340px; border-radius: 20px; background: radial-gradient(circle at 70% 20%, rgba(34,211,238,.18), transparent 45%), linear-gradient(145deg, #0d2139, #0a1728); border: 1px solid rgba(125,211,252,.2); }
.detail-visual .product-glyph { background: linear-gradient(145deg, #123a5b, #0c2137); color: #67e8f9; border-color: rgba(125,211,252,.25); box-shadow: 0 30px 60px -25px rgba(0,0,0,.7); }
.detail-visual .product-chip { color: #67e8f9; background: rgba(8,22,37,.8); border-color: rgba(125,211,252,.2); }
.detail-visual .product-orbit { border-color: rgba(125,211,252,.18); }
.detail-body-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 50px; align-items: start; }
.detail-main h2 { margin: 8px 0 22px; }
.detail-aside { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 25px; }
.detail-aside h3 { margin: 7px 0 16px; }
.feature-list { list-style: none; padding: 0; margin: 0 0 22px; }
.feature-list li { display: flex; align-items: flex-start; gap: 9px; padding: 9px 0; border-bottom: 1px solid var(--line); color: #465a73; font-size: 13px; }
.feature-list li:last-child { border-bottom: 0; }
.feature-list svg { flex: none; color: var(--blue); margin-top: 3px; }

/* Article */
.article-shell { display: grid; grid-template-columns: 1.35fr .65fr; gap: 60px; align-items: start; }
.article-aside { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.article-aside h3 { margin: 7px 0 8px; }
.article-aside p { font-size: 13px; margin-bottom: 18px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; }
.contact-info h2 { margin: 8px 0 14px; }
.contact-lead { max-width: 430px; }
.contact-list { margin-top: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px 18px; }
.contact-list > div { border-top: 1px solid var(--line); padding-top: 13px; }
.contact-icon { display: inline-flex; color: var(--blue); margin-bottom: 8px; }
.contact-list small { display: block; font-size: 10px; color: #94a3b8; letter-spacing: .08em; text-transform: uppercase; }
.contact-list b { display: block; margin-top: 3px; font-size: 13px; color: #26384d; font-weight: 650; word-break: break-word; }
.contact-form-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: block; margin-bottom: 14px; font-size: 11px; font-weight: 700; color: #50627a; }
.contact-form input, .contact-form textarea { display: block; width: 100%; margin-top: 6px; border: 1px solid var(--line); background: #fbfcfe; border-radius: 8px; padding: 11px 12px; font-size: 13px; color: var(--ink); outline: 0; transition: border-color .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form textarea:focus { border-color: #93c5fd; box-shadow: 0 0 0 3px rgba(37,99,235,.1); background: #fff; }
.contact-form textarea { resize: vertical; }
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-note { margin: 11px 0 0; font-size: 10px; color: #94a3b8; text-align: center; }
.alert { border-radius: 8px; padding: 11px 13px; margin-bottom: 16px; font-size: 12px; }
.alert.success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* Footer */
.site-footer { background: #07111f; color: #fff; padding: 62px 0 0; }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .brand-word b { color: #fff; }
.footer-brand .brand-word small { color: #6f86a1; }
.footer-brand p { max-width: 280px; color: #778da7; font-size: 12px; line-height: 1.8; margin-top: 18px; }
.footer-links h4, .footer-contact h4 { font-size: 11px; letter-spacing: .12em; color: #9fb4cc; margin-bottom: 15px; text-transform: uppercase; }
.footer-links a { display: block; color: #7e95ae; font-size: 12px; margin-bottom: 8px; }
.footer-links a:hover { color: #7dd3fc; }
.footer-contact p { color: #7e95ae; font-size: 12px; margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: #607891; font-size: 10px; }
.footer-bottom a { color: #607891; margin-left: 16px; }
.footer-bottom a:hover { color: #7dd3fc; }

/* Reveal */
.reveal { opacity: 1; transform: none; }
.reveal.in { animation: revealUp .7s ease both; }
@keyframes revealUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

@media (max-width: 1080px) {
  .main-nav { gap: 18px; }
  .hero-grid { gap: 30px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (max-width: 880px) {
  .main-nav { position: fixed; inset: 76px 0 auto; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px 20px; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(8,25,48,.3); transform: translateY(-140%); transition: transform .25s ease; }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid #f1f5fa; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .hero { padding: 54px 0 70px; }
  .hero-grid, .about-grid, .detail-grid, .detail-body-grid, .article-shell, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 560px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-note { display: none; }
  .stats-grid > div:nth-child(3) { border-right: 0; }
  .section { padding: 66px 0; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 14px; }
  .solution-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 520px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; padding: 18px 0; gap: 8px; }
  .footer-bottom a:first-child { margin-left: 0; }
  .float-a { left: -8px; bottom: 18px; }
  .float-b { right: -8px; top: 20px; }
}
@media (max-width: 600px) {
  .shell { width: calc(100% - 32px); }
  h1 { font-size: 37px; }
  .product-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-list { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid > div { padding: 18px 15px; }
  .stats-grid > div:nth-child(2) { border-right: 0; }
  .stats-grid > div:first-child { padding-left: 15px; }
  .stats-grid > div:nth-child(3) { display: none; }
  .stats-grid b { font-size: 25px; }
  .window-body { padding: 15px; }
  .floating-card { display: none; }
  .device-window { transform: none; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  .page-hero { padding: 54px 0; }
  .detail-visual { height: 260px; }
}

/* Utility top bar */
.topbar { background: #07111f; color: #8fa7c2; font-size: 10px; border-bottom: 1px solid rgba(255,255,255,.07); }
.topbar-inner { min-height: 32px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-company { color: #6f86a1; letter-spacing: .02em; white-space: nowrap; }
.topbar-links { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.topbar-links a { display: inline-flex; align-items: center; gap: 4px; color: #a9bfd8; font-size: 10px; white-space: nowrap; transition: color .2s; }
.topbar-links a:hover { color: #7dd3fc; }
.topbar-links em { font-style: normal; color: #22d3ee; font-size: 11px; }
.footer-legal { margin-top: 6px !important; color: #607891 !important; font-size: 10px !important; }
@media (max-width: 720px) {
  .topbar-company { display: none; }
  .topbar-links { width: 100%; justify-content: flex-end; gap: 12px; }
  .topbar-links a { font-size: 9px; }
}