:root {
    --primary: #2563eb;
    --accent: #14b8a6;
    --ink: #10213b;
    --surface: #f5f8ff;
    --muted: #64748b;
    --line: #e6edf7;
    --white: #fff;
    --shadow: 0 24px 70px rgba(37, 68, 118, .12);
    --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    width: 100%;
    border-bottom: 1px solid transparent;
    transition: .25s ease;
}
.site-header.is-scrolled {
    background: rgba(255, 255, 255, .9);
    border-color: rgba(226, 232, 240, .8);
    box-shadow: 0 10px 35px rgba(15, 23, 42, .06);
    backdrop-filter: blur(18px);
}
.nav-wrap { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 17px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
    display: inline-grid;
    width: 34px;
    height: 34px;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary), var(--accent) 45%));
    border-radius: 11px;
    box-shadow: 0 9px 20px color-mix(in srgb, var(--primary), transparent 72%);
}
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 600; color: #516178; }
.site-nav > a:not(.nav-cta) { position: relative; padding: 30px 0; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: 23px; width: 0; height: 2px; background: var(--primary); transition: .2s; }
.site-nav > a:hover { color: var(--ink); }
.site-nav > a:hover::after { width: 100%; }
.nav-cta { display: inline-flex; align-items: center; gap: 12px; color: #fff !important; background: var(--ink); padding: 12px 17px; border-radius: 12px; }
.nav-cta span { opacity: .75; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 0; background: #f2f6fb; border-radius: 12px; }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); transition: .2s; }

.hero {
    position: relative;
    min-height: 820px;
    padding: 160px 0 0;
    overflow: hidden;
    background:
        linear-gradient(rgba(255,255,255,.78), rgba(255,255,255,.95)),
        radial-gradient(circle at 18% 10%, color-mix(in srgb, var(--primary), transparent 75%), transparent 36%),
        linear-gradient(135deg, var(--surface), #fff 55%);
}
.hero::before { content: ""; position: absolute; inset: 0; opacity: .25; background-image: linear-gradient(#cdd8e7 1px, transparent 1px), linear-gradient(90deg, #cdd8e7 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 80%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); }
.hero-glow--one { width: 340px; height: 340px; right: 6%; top: 12%; background: color-mix(in srgb, var(--primary), transparent 88%); }
.hero-glow--two { width: 220px; height: 220px; right: 30%; bottom: 12%; background: color-mix(in srgb, var(--accent), transparent 88%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 55px; align-items: center; }
.hero-copy { padding-bottom: 55px; }
.eyebrow, .kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow span { width: 28px; height: 2px; background: var(--primary); }
.hero h1 { max-width: 690px; margin: 22px 0 24px; font-size: clamp(48px, 5.15vw, 76px); line-height: 1.08; letter-spacing: -.065em; font-weight: 800; }
.hero-lead { max-width: 620px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; border: 0; border-radius: 13px; padding: 0 23px; font-weight: 700; font-size: 14px; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: #fff; background: var(--primary); box-shadow: 0 14px 30px color-mix(in srgb, var(--primary), transparent 70%); }
.button--primary:hover { box-shadow: 0 18px 38px color-mix(in srgb, var(--primary), transparent 58%); }
.button--text { padding: 0 4px; color: var(--ink); }
.button--text span { color: var(--primary); }
.button--wide { width: 100%; }
.trust-line { display: flex; align-items: center; gap: 14px; margin-top: 42px; color: #7b899b; font-size: 11px; line-height: 1.5; }
.trust-line strong { color: var(--ink); font-size: 12px; }
.avatar-stack { display: flex; }
.avatar-stack i { display: grid; width: 30px; height: 30px; margin-left: -6px; place-items: center; border: 2px solid #fff; border-radius: 50%; color: #fff; background: #8aa0ba; font-size: 10px; font-style: normal; }
.avatar-stack i:first-child { margin-left: 0; background: var(--primary); }
.avatar-stack i:last-child { background: var(--accent); }

.hero-visual { position: relative; height: 490px; }
.metric-card { position: absolute; background: rgba(255,255,255,.93); border: 1px solid rgba(220,230,242,.92); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.metric-card--main { z-index: 2; top: 60px; right: 8px; width: min(100%, 470px); padding: 28px; border-radius: 26px; transform: rotate(1.2deg); }
.metric-head, .metric-number, .metric-foot { display: flex; align-items: center; justify-content: space-between; }
.metric-head { color: #6d7b8e; font-size: 12px; font-weight: 600; }
.metric-head i { padding: 5px 9px; border-radius: 20px; color: #0f9f86; background: #e8faf5; font-size: 9px; font-style: normal; }
.metric-number { margin-top: 20px; }
.metric-number strong { font-size: 34px; letter-spacing: -.04em; }
.metric-number span { color: #0f9f86; font-size: 11px; font-weight: 700; }
.chart { position: relative; height: 190px; margin-top: 24px; overflow: hidden; }
.chart-grid { position: absolute; inset: 0; background-image: linear-gradient(#e9eff7 1px, transparent 1px); background-size: 100% 38px; }
.chart-bars { position: absolute; inset: 5px 8px 0; display: flex; align-items: flex-end; justify-content: space-around; gap: 12px; }
.chart-bars i { flex: 1; max-width: 28px; min-height: 18px; border-radius: 7px 7px 2px 2px; background: linear-gradient(to top, color-mix(in srgb, var(--primary), white 20%), color-mix(in srgb, var(--primary), white 58%)); opacity: .9; }
.chart-bars i:nth-child(6), .chart-bars i:nth-child(7) { background: linear-gradient(to top, var(--accent), color-mix(in srgb, var(--accent), white 60%)); }
.metric-foot { justify-content: flex-start; gap: 24px; margin-top: 18px; color: #728196; font-size: 10px; }
.dot { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--primary); }
.dot--green { background: var(--accent); }
.metric-card--mini { z-index: 4; display: flex; align-items: center; gap: 12px; padding: 14px 17px; border-radius: 16px; }
.metric-card--mini strong, .metric-card--mini small { display: block; }
.metric-card--mini strong { font-size: 13px; }
.metric-card--mini small { margin-top: 3px; color: #8591a2; font-size: 9px; }
.metric-card--top { top: 16px; right: 25px; transform: rotate(3deg); }
.metric-card--bottom { right: 290px; bottom: 42px; min-width: 205px; transform: rotate(-3deg); }
.mini-icon { display: grid; width: 34px; height: 34px; place-items: center; color: var(--primary); background: color-mix(in srgb, var(--primary), white 90%); border-radius: 10px; font-size: 17px; }
.mini-icon--green { color: #0b927c; background: #e8faf5; }
.floating-pill { position: absolute; z-index: 3; top: 102px; left: -6px; padding: 9px 14px; color: var(--primary); background: #fff; border: 1px solid var(--line); border-radius: 30px; box-shadow: 0 12px 28px rgba(40,65,105,.1); font-size: 9px; font-weight: 800; letter-spacing: .15em; transform: rotate(-7deg); }
.orbit { position: absolute; border: 1px dashed color-mix(in srgb, var(--primary), transparent 72%); border-radius: 50%; }
.orbit--one { width: 460px; height: 460px; right: -45px; top: 0; }
.orbit--two { width: 325px; height: 325px; left: 28px; top: 92px; border-color: color-mix(in srgb, var(--accent), transparent 72%); }
.hero-stats { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); max-width: 760px; margin-top: 20px; padding: 22px 0 25px; border-top: 1px solid var(--line); }
.hero-stats div { display: flex; align-items: baseline; gap: 11px; }
.hero-stats strong { font-size: 22px; }
.hero-stats span { color: #758398; font-size: 11px; }

.section { padding: 120px 0; }
.services { background: #fff; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; align-items: end; margin-bottom: 50px; }
.section h2 { margin: 14px 0 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading p { margin: 0 0 5px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { position: relative; min-height: 310px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .25s, box-shadow .25s, border-color .25s; transition-delay: var(--delay, 0ms); }
.service-card::before { content: ""; position: absolute; width: 170px; height: 170px; right: -90px; top: -90px; border-radius: 50%; background: color-mix(in srgb, var(--primary), transparent 93%); transition: .3s; }
.service-card:hover { transform: translateY(-7px); border-color: color-mix(in srgb, var(--primary), white 70%); box-shadow: 0 24px 60px rgba(28,55,95,.1); }
.service-card:hover::before { transform: scale(1.45); }
.service-top { display: flex; justify-content: space-between; align-items: flex-start; }
.service-icon { display: grid; width: 50px; height: 50px; place-items: center; color: var(--primary); background: color-mix(in srgb, var(--primary), white 92%); border: 1px solid color-mix(in srgb, var(--primary), white 82%); border-radius: 15px; font-size: 22px; }
.service-index { color: #b3bdca; font-size: 11px; font-weight: 700; }
.service-card h3 { margin: 46px 0 14px; font-size: 21px; letter-spacing: -.025em; }
.service-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.service-link { position: absolute; left: 30px; bottom: 27px; display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 12px; font-weight: 700; }
.service-link i { color: var(--primary); font-style: normal; }

.about { overflow: hidden; background: var(--surface); }
.about-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 105px; align-items: center; }
.about-visual { position: relative; min-height: 480px; }
.shape { position: absolute; display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; overflow: hidden; border-radius: 32px; box-shadow: 0 30px 60px rgba(27,61,108,.13); }
.shape::before { content: ""; position: absolute; width: 190px; height: 190px; right: -45px; top: -45px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.05), 0 0 0 70px rgba(255,255,255,.04); }
.shape span, .shape strong { position: relative; z-index: 1; }
.shape span { margin-bottom: 6px; font-size: 9px; font-weight: 800; letter-spacing: .2em; opacity: .7; }
.shape strong { font-size: 21px; }
.shape--large { inset: 0 85px 54px 0; color: #fff; background: linear-gradient(145deg, var(--primary), color-mix(in srgb, var(--primary), #081932 56%)); }
.shape--small { right: 0; bottom: 0; width: 210px; height: 210px; color: var(--ink); background: linear-gradient(145deg, #fff, color-mix(in srgb, var(--accent), white 78%)); }
.about-badge { position: absolute; z-index: 3; display: flex; align-items: center; gap: 12px; top: 58px; right: 28px; padding: 15px 18px; color: var(--ink); background: #fff; border-radius: 16px; box-shadow: 0 16px 36px rgba(23,54,94,.16); transform: rotate(3deg); font-size: 10px; }
.about-badge i { display: grid; width: 32px; height: 32px; place-items: center; color: #07856f; background: #def8f0; border-radius: 50%; font-style: normal; }
.about-copy > p { margin: 24px 0 28px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.check-list { display: grid; gap: 14px; margin: 0 0 34px; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: center; gap: 12px; color: #42526a; font-size: 13px; font-weight: 600; }
.check-list span { display: grid; width: 23px; height: 23px; place-items: center; flex: 0 0 23px; color: var(--primary); background: color-mix(in srgb, var(--primary), white 90%); border-radius: 50%; font-size: 10px; }
.inline-link { display: inline-flex; gap: 16px; align-items: center; font-size: 13px; font-weight: 800; }
.inline-link span { color: var(--primary); }

.contact { color: #fff; background: #0d1d34; }
.contact-shell { display: grid; grid-template-columns: .86fr 1.14fr; gap: 90px; align-items: center; }
.kicker--light { color: #7db1ff; }
.contact-copy h2 { max-width: 480px; }
.contact-copy > p { max-width: 450px; margin: 22px 0 40px; color: #aebbcf; line-height: 1.8; }
.contact-details { display: grid; gap: 18px; }
.contact-details > * { display: grid; gap: 4px; }
.contact-details span { color: #76879e; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.contact-details strong { font-size: 14px; }
.contact-form-card { padding: 34px; color: var(--ink); background: #fff; border-radius: 25px; box-shadow: 0 28px 80px rgba(0,0,0,.22); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form-card label { display: grid; gap: 8px; margin-bottom: 17px; }
.contact-form-card label > span { color: #53647a; font-size: 11px; font-weight: 700; }
.contact-form-card input, .contact-form-card textarea { width: 100%; color: var(--ink); background: #f8fafc; border: 1px solid #e4eaf2; border-radius: 11px; outline: none; transition: .2s; }
.contact-form-card input { height: 47px; padding: 0 14px; }
.contact-form-card textarea { padding: 13px 14px; resize: vertical; }
.contact-form-card input:focus, .contact-form-card textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary), transparent 88%); }
.contact-form-card input::placeholder, .contact-form-card textarea::placeholder { color: #aab4c2; }
.contact-form-card small { display: block; margin-top: 13px; color: #9aa6b5; font-size: 9px; text-align: center; }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-alert { margin-bottom: 18px; padding: 12px 14px; border-radius: 10px; font-size: 12px; }
.form-alert--success { color: #08745f; background: #e7f9f3; border: 1px solid #beeadd; }
.form-alert--error { color: #b42318; background: #fff1f0; border: 1px solid #ffd3cf; }

.site-footer { color: #9aa8ba; background: #091629; border-top: 1px solid rgba(255,255,255,.07); }
.site-footer .brand { color: #fff; }
.footer-main { display: flex; justify-content: space-between; gap: 50px; padding: 60px 0 38px; }
.footer-main p { max-width: 420px; margin: 18px 0 0; font-size: 12px; line-height: 1.8; }
.footer-links { display: flex; gap: 32px; align-items: center; color: #d6deea; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; padding: 20px 0 28px; border-top: 1px solid rgba(255,255,255,.07); font-size: 10px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal--delay { transition-delay: .14s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
    .hero { padding-top: 130px; }
    .hero-grid, .about-grid, .contact-shell { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; padding-bottom: 0; }
    .hero-lead { margin-inline: auto; }
    .hero-actions, .trust-line { justify-content: center; }
    .hero-visual { width: min(560px, 100%); margin: 0 auto; }
    .hero-stats { margin-top: 35px; }
    .section-heading { grid-template-columns: 1fr; gap: 22px; }
    .about-grid { gap: 65px; }
    .about-visual { width: min(570px, 100%); }
    .contact-shell { gap: 55px; }
}

@media (max-width: 760px) {
    .container { width: min(100% - 28px, 1180px); }
    .nav-wrap { height: 70px; }
    .nav-toggle { display: block; }
    .nav-toggle.is-open span:first-child { transform: translateY(3.5px) rotate(45deg); }
    .nav-toggle.is-open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
    .site-nav { position: absolute; top: 64px; left: 14px; right: 14px; display: none; align-items: stretch; gap: 2px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
    .site-nav.is-open { display: grid; }
    .site-nav > a:not(.nav-cta) { padding: 13px 12px; }
    .site-nav > a:not(.nav-cta)::after { display: none; }
    .nav-cta { justify-content: center; margin-top: 4px; }
    .hero { min-height: auto; padding: 120px 0 0; }
    .hero h1 { font-size: clamp(42px, 13vw, 62px); }
    .hero-lead { font-size: 15px; }
    .hero-actions { flex-direction: column; gap: 10px; }
    .hero-actions .button--primary { width: 100%; }
    .trust-line { margin-top: 28px; }
    .hero-visual { height: 390px; margin-top: 20px; }
    .metric-card--main { top: 45px; width: calc(100% - 6px); padding: 20px; }
    .chart { height: 145px; }
    .metric-card--top { right: 8px; top: 2px; }
    .metric-card--bottom { left: 0; right: auto; bottom: 10px; }
    .floating-pill, .orbit--one { display: none; }
    .hero-stats { grid-template-columns: 1fr; gap: 16px; padding: 25px 0 35px; }
    .hero-stats div { justify-content: center; }
    .section { padding: 82px 0; }
    .section h2 { font-size: 36px; }
    .service-grid { grid-template-columns: 1fr; }
    .about-grid { gap: 45px; }
    .about-visual { min-height: 385px; }
    .shape--large { right: 48px; }
    .shape--small { width: 175px; height: 175px; }
    .about-badge { top: 38px; right: 5px; }
    .contact-form-card { padding: 22px; }
    .form-grid { grid-template-columns: 1fr; gap: 0; }
    .footer-main, .footer-bottom { flex-direction: column; }
    .footer-links { align-items: flex-start; flex-wrap: wrap; }
    .footer-bottom { gap: 10px; }
}

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