:root {
    --blue: #0EA5F5;
    --blue-dark: #07599E;
    --blue-soft: #E8F6FF;
    --teal: #13C7C2;
    --text: #0D2540;
    --muted: #60738A;
    --line: #DCEAF5;
    --white: #FFFFFF;
    --bg: #F5FAFE;
    --shadow: 0 22px 70px rgba(7, 89, 158, .14);
    --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(220,234,245,.8);
}
.nav-wrap {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand img { width: 214px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 15px; }
.main-nav a:hover { color: var(--blue-dark); }

.hero {
    position: relative;
    overflow: hidden;
    padding: 76px 0 88px;
    background:
        radial-gradient(circle at 18% 20%, rgba(19,199,194,.18), transparent 30%),
        radial-gradient(circle at 76% 18%, rgba(14,165,245,.20), transparent 30%),
        linear-gradient(135deg, #FFFFFF 0%, #EFF9FF 55%, #EAF7FF 100%);
}
.hero-bg::before {
    content: "";
    position: absolute;
    width: 540px;
    height: 540px;
    right: -180px;
    top: 80px;
    border-radius: 50%;
    border: 70px solid rgba(14,165,245,.08);
}
.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 56px;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--blue-dark);
    background: rgba(14,165,245,.10);
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.12; margin: 0; }
h1 { font-size: clamp(42px, 6vw, 72px); letter-spacing: -0.055em; margin-top: 20px; }
h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.04em; }
h3 { font-size: 22px; letter-spacing: -0.025em; }
.hero-copy p, .section-lead { font-size: 19px; color: var(--muted); max-width: 620px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.trust-row span {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 10px 14px;
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(7,89,158,.08);
    color: var(--blue-dark);
    font-weight: 750;
}

.search-card {
    background: rgba(255,255,255,.92);
    border: 1px solid rgba(220,234,245,.95);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    padding: 26px;
}
.form-head { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.form-head img { width: 68px; }
.form-head strong { display: block; font-size: 23px; letter-spacing: -0.03em; }
.form-head span { color: var(--muted); font-size: 14px; }
label { display: block; margin: 14px 0 7px; font-size: 14px; font-weight: 800; color: var(--text); }
select, input {
    width: 100%;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 16px;
    padding: 15px 15px;
    color: var(--text);
    font-size: 16px;
    outline: none;
}
select:focus, input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(14,165,245,.12); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
button, .primary-link, .ghost-button {
    border: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 850;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
button, .primary-link {
    width: 100%;
    margin-top: 22px;
    padding: 16px 24px;
    color: white;
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    box-shadow: 0 14px 28px rgba(7,89,158,.20);
    font-size: 16px;
}
button:hover, .primary-link:hover, .ghost-button:hover { transform: translateY(-2px); }
.form-note { margin: 14px 0 0; font-size: 13px; color: var(--muted); }

.results { padding: 28px 0 0; background: var(--bg); }
.result-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 26px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 16px 44px rgba(7,89,158,.10);
}
.result-card h2 { margin-top: 12px; }
.result-card p { color: var(--muted); margin-bottom: 0; }
.ghost-button { padding: 13px 20px; color: var(--blue-dark); background: var(--blue-soft); white-space: nowrap; }

.intro-section, .content-section, .tips-section, .cta-section { padding: 82px 0; }
.section-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 18px; }
.info-panel, .bullet-card, .tip-card, .cta-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 12px 40px rgba(7,89,158,.08);
}
.info-panel { padding: 30px; }
.info-panel h2 { margin-top: 16px; }
.info-panel h3 { margin-bottom: 12px; }
.info-panel p { color: var(--muted); margin-bottom: 0; }
.highlighted { background: linear-gradient(135deg, #fff, #EAF8FF); }

.split-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 46px; }
.split-grid.reverse { grid-template-columns: 1.15fr .85fr; }
.muted { background: #fff; }
.bullet-card { padding: 18px; }
.bullet-item {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    align-items: start;
    padding: 16px;
    border-bottom: 1px solid var(--line);
}
.bullet-item:last-child { border-bottom: 0; }
.bullet-item span {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: var(--blue-dark);
    background: var(--blue-soft);
    font-weight: 900;
}
.bullet-item p { margin: 0; color: var(--muted); }

.section-title { text-align: center; max-width: 760px; margin: 0 auto 36px; }
.section-title h2 { margin-top: 16px; }
.tips-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tip-card { padding: 26px; min-height: 230px; }
.tip-icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    color: white;
    background: linear-gradient(135deg, var(--teal), var(--blue));
    margin-bottom: 20px;
}
.tip-card p { color: var(--muted); margin-bottom: 0; }

.cta-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 36px;
    background: linear-gradient(135deg, #FFFFFF, #E9F8FF);
}
.cta-card p { color: var(--muted); max-width: 700px; }
.cta-card .primary-link { width: auto; margin-top: 0; white-space: nowrap; }
.site-footer { padding: 34px 0; background: #fff; border-top: 1px solid var(--line); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 22px; color: var(--muted); font-size: 14px; }
.footer-grid img { width: 170px; }

@media (max-width: 900px) {
    .nav-wrap { flex-direction: column; padding: 14px 0; }
    .main-nav { gap: 14px; flex-wrap: wrap; justify-content: center; }
    .hero-grid, .section-grid, .split-grid, .split-grid.reverse, .tips-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 44px; }
    .tips-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-card, .result-card { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
    .brand img { width: 188px; }
    .main-nav { display: none; }
    .form-grid, .tips-grid { grid-template-columns: 1fr; }
    .search-card, .info-panel, .cta-card { padding: 22px; }
    h1 { font-size: 40px; }
}