:root {
    --ink: #172033;
    --muted: #667085;
    --line: #d7deea;
    --paper: #f7f9fc;
    --soft: #eef5ff;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --blue-soft: #dbeafe;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, Arial, Helvetica, sans-serif;
}

h1,
h2,
h3 {
    color: var(--ink);
    font-weight: 800;
    letter-spacing: 0;
}

h1 {
    max-width: 840px;
    font-size: clamp(2.35rem, 5vw, 4.85rem);
    line-height: 1;
    margin: 18px 0 22px;
}

h2 {
    font-size: clamp(1.85rem, 3vw, 3.2rem);
    line-height: 1.05;
    margin: 10px 0 18px;
}

h3 {
    font-size: 1.2rem;
    line-height: 1.2;
    margin: 0 0 10px;
}

p {
    color: var(--muted);
    line-height: 1.68;
}

.uk-button {
    border-radius: 8px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: none;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.uk-button-primary {
    background: var(--blue);
    color: #fff;
    border: 1px solid rgba(37, 99, 235, .2);
    box-shadow: 0 14px 30px rgba(37, 99, 235, .22);
}

.uk-button-primary:hover {
    background: var(--blue-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 18px 42px rgba(37, 99, 235, .28);
}

.uk-button-default {
    border-color: var(--line);
    color: var(--ink);
}

.uk-button-large {
    min-height: 58px;
    padding: 0 30px;
    font-size: 1rem;
    line-height: 58px;
}

.uk-button-text {
    color: var(--blue);
    font-weight: 800;
}

.cta-main,
.cta-checkout {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 70px;
    padding: 12px 34px;
    line-height: 1.1;
}

.cta-main span,
.cta-checkout span {
    font-size: 1.05rem;
}

.cta-main small,
.cta-checkout small {
    color: rgba(255, 255, 255, .82);
    font-size: .76rem;
    font-weight: 700;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .92);
    border-bottom: 1px solid rgba(215, 222, 234, .82);
    backdrop-filter: blur(12px);
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    color: var(--ink);
    font-weight: 900;
    font-size: 1.05rem;
}

.brand:hover {
    color: var(--blue);
    text-decoration: none;
}

.nav-cta {
    min-height: 42px;
    line-height: 40px;
}

.hero {
    padding: 76px 0 74px;
    background:
        linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
    align-items: center;
    gap: clamp(32px, 6vw, 76px);
}

.hero-copy > p {
    max-width: 780px;
    font-size: 1.18rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 6px 10px;
    border: 1px solid var(--blue-soft);
    border-radius: 999px;
    color: var(--blue);
    background: var(--soft);
    font-size: .78rem;
    font-weight: 900;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    margin: 32px 0 24px;
}

.quick-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quick-points span {
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    background: #fff;
    font-size: .9rem;
    font-weight: 700;
}

.guide-preview {
    display: flex;
    justify-content: center;
}

.guide-sheet {
    width: min(100%, 380px);
    min-height: 510px;
    padding: 32px 30px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 28px 70px rgba(23, 32, 51, .12);
    display: flex;
    flex-direction: column;
}

.sheet-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--blue);
    font-size: .8rem;
    font-weight: 900;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.sheet-top strong {
    padding: 8px 10px;
    border-radius: 8px;
    color: #fff;
    background: var(--blue);
}

.guide-sheet h2 {
    margin: 44px 0 16px;
    font-size: 2.55rem;
}

.guide-sheet p {
    margin-bottom: 26px;
}

.sheet-list {
    margin-top: auto;
    display: grid;
    gap: 10px;
}

.sheet-list span {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--paper);
    font-weight: 800;
}

.section {
    padding: 82px 0;
}

.section.soft {
    background: var(--paper);
}

.section-head {
    margin-bottom: 34px;
}

.section-head.narrow {
    max-width: 900px;
}

.usage-grid,
.persona-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.usage-card,
.persona-grid article,
.checkout-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 16px 42px rgba(23, 32, 51, .06);
}

.usage-card,
.persona-grid article {
    padding: 28px;
}

.usage-card span {
    display: inline-flex;
    margin-bottom: 16px;
    padding: 6px 10px;
    border-radius: 999px;
    color: var(--blue);
    background: var(--soft);
    font-size: .78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.price-panel {
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 16px 42px rgba(23, 32, 51, .06);
}

.price-panel span,
.checkout-price span {
    color: var(--muted);
    font-weight: 800;
}

.price-panel strong,
.checkout-price strong {
    display: block;
    color: var(--blue);
    font-size: clamp(3rem, 7vw, 5.5rem);
    line-height: .95;
    margin: 10px 0;
    letter-spacing: -0.02em;
}

.price-panel small,
.checkout-price small {
    display: block;
    color: var(--muted);
    font-weight: 700;
}

.check-list,
.mini-list {
    margin: 18px 0 26px;
    padding: 0;
    list-style: none;
}

.check-list li,
.mini-list li {
    position: relative;
    padding: 0 0 13px 28px;
    color: var(--muted);
    line-height: 1.55;
}

.check-list li::before,
.mini-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .45em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--blue);
}

.cta-inline {
    margin-top: 4px;
}

.compact-band {
    padding: 58px 0;
    background: var(--ink);
}

.compact-band h2 {
    color: #fff;
    max-width: 760px;
}

.compact-band .eyebrow {
    border-color: rgba(143, 181, 255, .25);
    color: #b9ccff;
    background: rgba(255, 255, 255, .06);
}

.band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
}

.checkout-section {
    background: linear-gradient(180deg, #fff 0%, #f7f9fc 100%);
}

.checkout-card {
    padding: clamp(24px, 4vw, 42px);
}

.checkout-price {
    margin: 18px 0 24px;
}

.checkout-price strong {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
}

.uk-form-label {
    color: var(--ink);
    font-weight: 800;
}

.uk-input,
.uk-select {
    min-height: 50px;
    border-color: var(--line);
    border-radius: 8px;
    color: var(--ink);
}

.uk-input:focus,
.uk-select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.cta-checkout {
    width: 100%;
    margin-top: 8px;
}

.form-note {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: .9rem;
    text-align: center;
}

.footer {
    padding: 30px 0;
    border-top: 1px solid var(--line);
    background: #fff;
}

.footer .uk-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.footer strong {
    color: var(--ink);
}

.footer span {
    color: var(--muted);
}

@media (max-width: 960px) {
    .hero-grid,
    .usage-grid,
    .persona-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 44px;
    }

    .guide-preview {
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .nav {
        min-height: 64px;
    }

    .nav-cta {
        display: none;
    }

    .hero,
    .section {
        padding: 54px 0;
    }

    .hero-actions {
        align-items: stretch;
    }

    .hero-actions .uk-button,
    .cta-main {
        width: 100%;
    }

    .guide-sheet {
        min-height: 430px;
        padding: 26px;
    }

    .guide-sheet h2 {
        font-size: 2.15rem;
    }
}