:root {
    --bg: #ffffff;
    --ink: #09111f;
    --muted: #60708a;
    --line: rgba(9, 17, 31, .08);
    --primary: #1a56db;
    --primary-2: #2563eb;
    --blue: #60a5fa;
    --dark: #020817;
    --dark-2: #09111f;
    --slate: #f8fafc;
    --radius: 16px;
    --shadow: 0 25px 70px rgba(15, 23, 42, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font-family: "Plus Jakarta Sans", Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button { cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }
.dark-section { color: #fff; background: var(--dark); position: relative; overflow: hidden; }
h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: clamp(46px, 5.5vw, 72px); line-height: 1.08; letter-spacing: 0; font-weight: 800; }
h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; letter-spacing: 0; font-weight: 800; }
h3 { font-size: 24px; line-height: 1.3; font-weight: 700; }
h4 { font-size: 18px; line-height: 1.4; font-weight: 700; }
p { line-height: 1.7; }

.site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 60;
    transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.site-nav.scrolled {
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 32px rgba(15, 23, 42, .06);
    backdrop-filter: blur(14px);
}
.nav-inner {
    width: min(1280px, calc(100% - 96px));
    height: 64px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: #fff; }
.brand-mark { font-size: 20px; letter-spacing: 0; }
.brand-mark span { color: #60a5fa; }
.brand-name { font-size: 18px; }
.site-nav.scrolled .brand { color: var(--ink); }
.site-nav.scrolled .brand-mark span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links button { color: rgba(255,255,255,.66); transition: color .2s ease, background .2s ease; white-space: nowrap; }
.nav-links button:hover, .nav-links button.active { color: #fff; }
.site-nav.scrolled .nav-links button { color: var(--ink); }
.site-nav.scrolled .nav-links button:hover, .site-nav.scrolled .nav-links button.active { color: var(--primary); }
.nav-links .nav-cta {
    color: #fff;
    padding: 10px 24px;
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(255,255,255,.1);
    border-radius: 10px;
}
.site-nav.scrolled .nav-links .nav-cta { background: var(--primary); color: #fff; border-color: var(--primary); }
.menu-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; }
.menu-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.site-nav.scrolled .menu-toggle span { background: var(--ink); }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; }

.hero { min-height: 100vh; display: flex; align-items: center; }
.hero::before, .products::before, .features::before {
    content: "";
    position: absolute;
    width: 720px;
    height: 720px;
    right: -160px;
    top: -100px;
    background: rgba(37, 99, 235, .16);
    filter: blur(150px);
    border-radius: 50%;
}
.hero::after {
    content: "";
    position: absolute;
    width: 560px;
    height: 560px;
    left: 20%;
    bottom: -240px;
    background: rgba(67, 56, 202, .14);
    filter: blur(140px);
    border-radius: 50%;
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    opacity: .045;
    background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px);
    background-size: 72px 72px;
}
.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 80px;
    align-items: center;
    padding: 128px 0 96px;
    z-index: 1;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: var(--primary);
    font-size: 14px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.eyebrow span { width: 40px; height: 1px; background: currentColor; }
.eyebrow.dark {
    margin-bottom: 48px;
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.6);
    backdrop-filter: blur(10px);
}
.eyebrow.dark span { width: 6px; height: 6px; border-radius: 50%; background: #60a5fa; }
.hero h1 span { color: #60a5fa; }
.hero-lead { max-width: 440px; margin-top: 28px; color: rgba(255,255,255,.56); font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 48px; }
.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 14px 28px;
    color: #fff;
    background: var(--primary-2);
    border-radius: 12px;
    box-shadow: 0 18px 42px rgba(30, 64, 175, .32);
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.primary-btn:hover { transform: translateY(-2px); background: #1d4ed8; box-shadow: 0 22px 52px rgba(30, 64, 175, .42); }
.ghost-btn { color: rgba(255,255,255,.56); display: inline-flex; gap: 8px; align-items: center; }
.ghost-btn:hover { color: #fff; }
.arrow { font-size: 22px; line-height: 1; }
.served { display: flex; align-items: center; gap: 10px; margin-top: 30px; color: rgba(255,255,255,.36); font-size: 14px; }
.served strong { color: rgba(255,255,255,.65); }
.avatar-stack { display: flex; margin-left: 2px; }
.avatar-stack span {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    margin-left: -6px;
    border: 2px solid var(--dark);
    border-radius: 50%;
    color: #fff;
    font-size: 8px;
}
.avatar-stack span:nth-child(1) { background: #1e3a5f; margin-left: 0; }
.avatar-stack span:nth-child(2) { background: #1e4d8c; }
.avatar-stack span:nth-child(3) { background: #1a6bb5; }
.avatar-stack span:nth-child(4) { background: #0f5a9e; }
.hero-stats { display: flex; gap: 28px; align-items: center; margin-top: 40px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.08); }
.hero-stats div { min-width: 96px; }
.hero-stats strong, .hero-stats em { color: #fff; font-size: 28px; font-style: normal; font-weight: 700; }
.hero-stats span { display: block; margin-top: 2px; color: rgba(255,255,255,.46); font-size: 14px; }
.hero-stats i { width: 1px; height: 40px; background: rgba(255,255,255,.1); }
.hero-visual { position: relative; min-width: 0; }
.dashboard-glow { position: absolute; inset: -32px; background: rgba(37,99,235,.12); filter: blur(70px); border-radius: 28px; }
.browser-window {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    background: #f8fafc;
    box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 50px 120px rgba(0,0,0,.70);
}
.browser-bar { height: 34px; display: flex; align-items: center; gap: 8px; padding: 0 14px; background: #fff; border-bottom: 1px solid #e2e8f0; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.red { background: #ff5f57; } .yellow { background: #febc2e; } .green { background: #28c840; }
.address { width: 106px; height: 8px; margin-left: auto; margin-right: auto; border-radius: 999px; background: #94a3b8; }
.product-ui { display: grid; grid-template-columns: 152px 1fr; min-height: 468px; }
.ui-sidebar { background: linear-gradient(180deg, #111827, #0f172a); padding: 18px 16px; }
.ui-logo { display: block; width: 30px; height: 30px; border-radius: 8px; background: #2563eb; margin-bottom: 18px; }
.ui-sidebar i { display: block; height: 7px; width: 76px; margin: 15px 0; border-radius: 999px; background: rgba(148,163,184,.42); }
.ui-sidebar i.wide { width: 92px; height: 10px; }
.ui-sidebar i.active { width: 112px; height: 24px; margin-left: -8px; background: rgba(37,99,235,.28); }
.ui-user { margin-top: 38px; display: flex; gap: 10px; align-items: center; }
.ui-user b { width: 24px; height: 24px; border-radius: 50%; background: #2563eb; }
.ui-user em { width: 72px; height: 8px; border-radius: 999px; background: #94a3b8; }
.ui-main { padding: 22px 20px 18px; }
.ui-header { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.ui-header b { width: 126px; height: 12px; border-radius: 999px; background: #0f172a; }
.ui-header span { width: 92px; height: 8px; border-radius: 999px; background: #94a3b8; }
.ui-header button { width: 72px; height: 24px; border-radius: 6px; background: #0b7be9; margin-left: auto; }
.ui-header i { width: 28px; height: 24px; border-radius: 6px; background: #e2e8f0; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-row div { padding: 16px; border: 1px solid #bfdbfe; border-radius: 10px; background: #fff; }
.metric-row i { display: block; width: 16px; height: 16px; border-radius: 4px; background: #bfdbfe; }
.metric-row b, .metric-row span { display: block; border-radius: 999px; background: #94a3b8; margin-top: 10px; }
.metric-row b { width: 54px; height: 12px; background: #0b7be9; }
.metric-row span { width: 42px; height: 8px; }
.metric-row .green { border-color: #bbf7d0; } .metric-row .green b { background: #16a34a; } .metric-row .green i { background: #86efac; }
.metric-row .purple { border-color: #ddd6fe; } .metric-row .purple b { background: #7c3aed; } .metric-row .purple i { background: #c4b5fd; }
.metric-row .orange { border-color: #fed7aa; } .metric-row .orange b { background: #ea580c; } .metric-row .orange i { background: #fdba74; }
.ui-content { display: grid; grid-template-columns: 1.2fr .8fr; gap: 12px; margin-top: 12px; }
.chart-panel, .audit-panel, .table-panel { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 16px; }
.chart-panel b, .audit-panel b { display: block; width: 96px; height: 10px; border-radius: 999px; background: #0f172a; margin-bottom: 10px; }
.chart-panel span { display: block; width: 70px; height: 8px; border-radius: 999px; background: #94a3b8; }
.bars { height: 130px; display: flex; gap: 14px; align-items: end; padding: 12px 0 0; }
.bars i { flex: 1; border-radius: 4px 4px 0 0; background: #bfdbfe; }
.bars i:nth-child(1) { height: 58px; } .bars i:nth-child(2) { height: 74px; } .bars i:nth-child(3) { height: 46px; }
.bars i:nth-child(4) { height: 88px; } .bars i:nth-child(5) { height: 64px; } .bars i:nth-child(6) { height: 112px; background: #0b7be9; }
.bars i:nth-child(7) { height: 80px; }
.audit-panel p { height: 7px; border-radius: 999px; background: #94a3b8; margin: 16px 0; }
.audit-panel p:nth-child(3), .audit-panel p:nth-child(5) { background: #22c55e; width: 74%; }
.table-panel { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.table-panel i { height: 8px; border-radius: 999px; background: #94a3b8; }

section { padding: 128px 0; }
.section-heading { margin-bottom: 64px; max-width: 760px; }
.section-heading > p { margin-top: 14px; color: var(--muted); max-width: 680px; }
.dark-section .section-heading > p { color: rgba(255,255,255,.46); }
.heading-row { display: flex; align-items: end; justify-content: space-between; gap: 24px; max-width: none; }
.heading-row > p { max-width: 390px; color: var(--muted); font-size: 14px; }
.pain-section, .cases, .about, .faq { background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pain-card {
    background: #fff;
    border: 1px solid rgba(9,17,31,.08);
    border-radius: 16px;
    padding: 30px;
    min-height: 268px;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pain-card:hover, .content-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(9,17,31,.14); }
.pain-card .tag { display: inline-flex; padding: 4px 10px; border-radius: 999px; font-size: 12px; margin-bottom: 20px; }
.pain-card .stat { font-size: 40px; line-height: 1; font-weight: 800; margin-bottom: 4px; background: transparent; }
.pain-card small { color: var(--muted); font-size: 12px; line-height: 1.35; display: block; min-height: 32px; }
.pain-card hr { border: 0; height: 1px; background: var(--line); margin: 20px 0; }
.pain-card p { color: var(--muted); font-size: 14px; }
.red-tone { color: #ef4444; background: #fef2f2; }
.orange-tone { color: #f97316; background: #fff7ed; }
.amber-tone { color: #f59e0b; background: #fffbeb; }
.blue-tone { color: #3b82f6; background: #eff6ff; }
.answer-strip {
    margin-top: 32px;
    padding: 22px 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: center;
}
.answer-icon { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; color: var(--primary); background: rgba(26,86,219,.1); }
.answer-strip p { color: var(--muted); font-size: 14px; max-width: 620px; }
.answer-strip button { color: var(--primary); white-space: nowrap; }

.products, .features { padding: 144px 0; }
.products::before { left: 28%; right: auto; top: 0; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.product-card {
    display: flex;
    flex-direction: column;
    min-height: 560px;
    padding: 40px;
    border-radius: 24px;
    background: #fff;
    color: var(--ink);
    box-shadow: 0 25px 70px rgba(0,0,0,.4);
    transition: transform .28s ease, box-shadow .28s ease;
}
.product-card:hover { transform: translateY(-8px); box-shadow: 0 35px 90px rgba(0,0,0,.5); }
.product-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.tag { padding: 5px 12px; border-radius: 999px; font-size: 12px; }
.tag.blue { color: #60a5fa; background: rgba(59,130,246,.12); }
.tag.indigo { color: #a5b4fc; background: rgba(99,102,241,.12); }
.product-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: #fff; font-size: 14px; font-weight: 700; }
.product-icon.blue { background: #2563eb; }
.product-icon.indigo { background: #4f46e5; }
.product-card > p { margin-top: 12px; color: var(--muted); }
.divider { height: 1px; background: var(--line); margin: 26px 0; }
.feature-list { display: grid; gap: 18px; padding: 0; margin: 0; list-style: none; flex: 1; }
.feature-list li { display: flex; gap: 12px; align-items: start; }
.feature-list i { width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: #3b82f6; background: rgba(59,130,246,.12); font-size: 12px; font-style: normal; }
.feature-list.indigo i { color: #818cf8; background: rgba(99,102,241,.12); }
.feature-list span { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.text-link { align-self: flex-start; margin-top: 32px; font-weight: 700; }
.text-link.blue { color: #2563eb; }
.text-link.indigo { color: #4f46e5; }

.solutions { background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.solution-actions { display: flex; gap: 12px; }
.solution-actions button { padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 14px; }
.solution-block { margin-bottom: 32px; }
.solution-head {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(90deg, #eff6ff, rgba(239,246,255,.45));
}
.solution-head.indigo { background: linear-gradient(90deg, #eef2ff, rgba(238,242,255,.45)); }
.solution-head div { display: flex; align-items: center; gap: 16px; text-align: left; }
.solution-head span { padding: 6px 16px; border-radius: 999px; color: #2563eb; background: #dbeafe; font-weight: 700; font-size: 14px; white-space: nowrap; }
.solution-head.indigo span { color: #4f46e5; background: #e0e7ff; }
.solution-head h3 { font-size: 18px; font-weight: 600; }
.solution-head b { color: var(--primary); transition: transform .25s ease; }
.solution-block.open .solution-head b { transform: rotate(90deg); }
.system-grid { display: none; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-top: 24px; }
.solution-block.open .system-grid { display: grid; }
.content-card {
    border: 1px solid rgba(9,17,31,.08);
    border-radius: 14px;
    background: #fff;
    padding: 24px;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.content-card .icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: var(--primary); margin-bottom: 16px; }
.content-card.indigo .icon { background: #4f46e5; }
.content-card p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.keywords { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.keywords span { padding: 5px 10px; border-radius: 999px; background: #f1f5f9; color: #475569; font-size: 12px; }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border-radius: 18px; border: 1px solid var(--line); box-shadow: var(--shadow); margin-top: 70px; }
.summary-grid div { background: #f8fafc; padding: 28px; text-align: center; border-right: 1px solid var(--line); }
.summary-grid div:last-child { border-right: 0; }
.summary-grid strong { display: block; color: var(--primary); font-size: 34px; }
.summary-grid span { display: block; margin-top: 4px; font-weight: 700; }
.summary-grid em { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; font-style: normal; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px 48px; }
.feature-card .feature-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 24px; border-radius: 12px; background: rgba(255,255,255,.12); color: #bfdbfe; }
.feature-card h3 { color: #fff; margin-bottom: 12px; }
.feature-card p { color: rgba(255,255,255,.52); }
.dark-cta {
    margin-top: 96px;
    padding: 48px;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 24px;
    background: rgba(255,255,255,.05);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.dark-cta p { margin: 12px 0 28px; color: rgba(255,255,255,.52); }
.outline-btn { min-height: 48px; padding: 13px 26px; margin-left: 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; color: rgba(255,255,255,.75); }
.outline-btn:hover { background: rgba(255,255,255,.08); color: #fff; }
.mini-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mini-metrics div { padding: 20px; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; background: rgba(255,255,255,.06); }
.mini-metrics strong { display: block; font-size: 28px; }
.mini-metrics span { color: rgba(255,255,255,.48); font-size: 14px; }

.center-heading { text-align: center; max-width: 760px; margin: 0 auto 72px; }
.pill { display: inline-flex; padding: 8px 16px; margin-bottom: 18px; border-radius: 999px; color: var(--primary); background: rgba(26,86,219,.1); font-size: 14px; }
.center-heading p { color: var(--muted); margin-top: 16px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.case-card { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 16px 48px rgba(15,23,42,.06); }
.case-card .stars { color: #f59e0b; margin-bottom: 18px; }
.case-card p { color: var(--muted); margin: 18px 0; }
.case-card strong { color: var(--primary); }
.logos-block { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--line); text-align: center; }
.logos-block p { color: var(--muted); font-size: 14px; margin: 6px 0 28px; }
.logo-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.logo-grid span { padding: 12px 10px; border: 1px solid var(--line); border-radius: 10px; background: rgba(248,250,252,.82); color: #475569; font-size: 14px; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.logo-grid span:hover { color: var(--primary); border-color: rgba(26,86,219,.3); background: rgba(26,86,219,.06); }

.resources { background: #fff; }
.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.resource-card { padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.resource-card .resource-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 14px; background: #eff6ff; color: var(--primary); margin-bottom: 22px; font-size: 24px; }
.resource-meta { display: flex; justify-content: space-between; margin-bottom: 12px; color: var(--primary); font-size: 12px; font-weight: 700; }
.resource-card p { color: var(--muted); font-size: 14px; margin-top: 10px; }
.subscribe { margin-top: 42px; text-align: center; }
.subscribe p { color: var(--muted); margin-bottom: 16px; }
.subscribe a { display: inline-flex; padding: 13px 24px; color: #fff; background: var(--primary); border-radius: 10px; font-weight: 700; }

.about-stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-stats div { display: grid; grid-template-columns: 200px 1fr; gap: 6px 36px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.about-stats div:last-child { border-bottom: 0; }
.about-stats strong { grid-column: 1; grid-row: 1; color: var(--primary); font-size: 40px; line-height: 1; }
.about-stats span { grid-column: 1; grid-row: 2; color: var(--muted); font-size: 14px; }
.about-stats h4 { grid-column: 2; grid-row: 1; }
.about-stats p { grid-column: 2; grid-row: 2; color: var(--muted); font-size: 14px; margin-top: 0; }
.philosophy-title { text-align: center; margin: 56px 0 32px; }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.philosophy-grid div { position: relative; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: #fff; overflow: hidden; }
.philosophy-grid div::after { content: ""; position: absolute; inset: auto 0 0 0; height: 4px; background: #eff6ff; }
.philosophy-grid span { display: block; color: var(--primary); font-size: 20px; font-weight: 800; }
.philosophy-grid em { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; font-style: normal; margin: 4px 0 18px; }
.philosophy-grid p { color: var(--muted); }

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; align-items: start; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; }
.faq-item.open { border-color: rgba(26,86,219,.32); box-shadow: 0 18px 48px rgba(15,23,42,.08); }
.faq-q { width: 100%; padding: 22px 24px; display: flex; gap: 16px; justify-content: space-between; text-align: left; }
.faq-q small { display: block; color: var(--primary); margin-bottom: 8px; }
.faq-q b { color: var(--muted); transition: transform .25s ease; }
.faq-item.open .faq-q b { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 24px 24px; color: var(--muted); }
.faq-a::before { content: ""; display: block; height: 1px; background: var(--line); margin-bottom: 16px; }

.site-footer { padding: 48px 0 28px; background: #0f172a; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.footer-brand > div { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 8px; background: var(--primary); font-size: 12px; font-weight: 800; }
.site-footer p, .site-footer li, .site-footer button, .footer-bottom { color: #94a3b8; }
.site-footer ul { padding: 0; margin: 18px 0 0; list-style: none; display: grid; gap: 8px; }
.site-footer h4 { margin-bottom: 16px; }
.site-footer button { display: block; margin: 10px 0; transition: color .2s ease; }
.site-footer button:hover { color: #fff; }
.footer-bottom { margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(148,163,184,.18); display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; }
.footer-bottom span:first-child { margin-right: auto; }

.contact-modal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.contact-modal.open { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2,8,23,.55); backdrop-filter: blur(8px); }
.modal-panel { position: relative; width: min(520px, 100%); overflow: hidden; border-radius: 18px; background: #fff; box-shadow: 0 30px 100px rgba(0,0,0,.35); animation: slideUp .25s ease; }
.modal-head { position: relative; padding: 26px; color: #fff; background: linear-gradient(90deg, var(--primary), #4f46e5); }
.modal-head p { color: rgba(255,255,255,.82); font-size: 14px; }
.modal-close { position: absolute; top: 12px; right: 14px; color: rgba(255,255,255,.86); font-size: 30px; line-height: 1; }
.modal-body { padding: 24px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
label { display: block; margin-bottom: 14px; color: var(--ink); font-size: 14px; font-weight: 600; }
input, textarea {
    width: 100%;
    display: block;
    margin-top: 7px;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--ink);
    background: #fff;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
textarea { resize: none; }
input:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,.12); }
.form-error { display: none; margin: 2px 0 12px; color: #dc2626; font-size: 14px; }
.form-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.cancel-btn, .submit-btn { padding: 12px; border-radius: 10px; font-weight: 700; }
.cancel-btn { border: 1px solid var(--line); }
.submit-btn { color: #fff; background: var(--primary); }
.submit-btn[disabled] { opacity: .7; cursor: wait; }
.contact-meta { display: flex; justify-content: center; gap: 18px; margin-top: 16px; color: var(--muted); font-size: 13px; }
.success-state { display: none; text-align: center; padding: 28px 0; }
.success-icon { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 50%; color: #fff; background: #22c55e; font-size: 34px; }
.success-state p { color: var(--muted); margin: 8px 0 24px; }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.floating-contact { position: fixed; right: 24px; bottom: 28px; z-index: 50; display: flex; flex-direction: column; align-items: end; gap: 12px; }
.floating-menu { display: none; flex-direction: column; align-items: end; gap: 10px; }
.floating-contact.open .floating-menu { display: flex; }
.float-item { display: inline-flex; align-items: center; padding: 11px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 34px rgba(15,23,42,.12); color: var(--ink); }
.float-item.primary { background: var(--primary); color: #fff; }
.float-main { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--primary); box-shadow: 0 14px 34px rgba(26,86,219,.35); animation: floatGlow 2.5s infinite; }
.floating-contact.open .float-main { background: #475569; animation: none; transform: rotate(180deg); }
.float-tip { position: absolute; top: -30px; right: 0; padding: 3px 10px; border-radius: 999px; border: 1px solid rgba(26,86,219,.2); background: #fff; color: var(--primary); font-size: 12px; white-space: nowrap; box-shadow: 0 8px 20px rgba(15,23,42,.08); }
.floating-contact.open .float-tip { display: none; }
@keyframes floatGlow { 0% { box-shadow: 0 0 0 0 rgba(26,86,219,.38); } 70% { box-shadow: 0 0 0 13px rgba(26,86,219,0); } 100% { box-shadow: 0 0 0 0 rgba(26,86,219,0); } }
.section-dots { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); z-index: 45; display: flex; flex-direction: column; gap: 12px; }
.section-dots button { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; box-shadow: 0 0 0 0 rgba(26,86,219,0); }
.section-dots button.active { background: var(--primary); box-shadow: 0 0 0 4px rgba(26,86,219,.18); }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1120px) {
    .hero-inner { grid-template-columns: 1fr; gap: 56px; }
    .hero-copy { max-width: 720px; }
    .hero-lead { max-width: 620px; }
    .pain-grid, .system-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid, .case-grid, .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
    .logo-grid { grid-template-columns: repeat(3, 1fr); }
    .section-dots { display: none; }
}

@media (max-width: 900px) {
    .container, .nav-inner { width: min(100% - 36px, 720px); }
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .mobile-menu {
        overflow: hidden;
        max-height: 0;
        display: grid;
        gap: 16px;
        padding: 0 24px;
        background: rgba(2,8,23,.98);
        transition: max-height .3s ease, padding .3s ease;
    }
    .mobile-menu.open { max-height: 420px; padding: 22px 24px 26px; border-top: 1px solid rgba(255,255,255,.08); }
    .mobile-menu button { color: rgba(255,255,255,.68); text-align: left; }
    .mobile-cta { padding: 10px 16px; background: var(--primary); color: #fff !important; border-radius: 10px; }
    .hero { min-height: auto; }
    .hero-inner { padding: 110px 0 80px; }
    .hero-actions, .hero-stats, .heading-row, .answer-strip, .dark-cta { align-items: start; flex-direction: column; display: flex; }
    .hero-stats { gap: 18px; }
    .hero-stats i { display: none; }
    .product-grid, .resource-grid, .footer-grid, .faq-grid, .summary-grid { grid-template-columns: 1fr; }
    .summary-grid div { border-right: 0; border-bottom: 1px solid var(--line); }
    .product-ui { grid-template-columns: 96px 1fr; }
    .ui-sidebar { padding: 14px 10px; }
    .metric-row, .ui-content, .mini-metrics { grid-template-columns: 1fr 1fr; }
    .footer-bottom span:first-child { margin-right: 0; width: 100%; }
}

@media (max-width: 640px) {
    section { padding: 88px 0; }
    .hero-inner { padding-top: 96px; }
    h1 { font-size: 46px; }
    .eyebrow.dark { margin-bottom: 34px; }
    .hero-actions { gap: 16px; }
    .primary-btn, .ghost-btn { width: 100%; justify-content: center; }
    .served { align-items: start; }
    .browser-window { border-radius: 14px; }
    .product-ui { min-height: 390px; }
    .ui-content { display: none; }
    .metric-row { grid-template-columns: 1fr; }
    .pain-grid, .features-grid, .case-grid, .logo-grid, .system-grid, .philosophy-grid { grid-template-columns: 1fr; }
    .product-card, .dark-cta { padding: 28px; }
    .solution-head div { align-items: start; flex-direction: column; gap: 10px; }
    .solution-head h3 { display: none; }
    .about-stats div { grid-template-columns: 1fr; }
    .about-stats strong, .about-stats span, .about-stats h4, .about-stats p { grid-column: 1; grid-row: auto; }
    .about-stats span { margin: 0 0 16px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .contact-meta { flex-direction: column; gap: 4px; text-align: center; }
    .floating-contact { right: 16px; bottom: 18px; }
}