:root {
    --bg: #0f172a;
    --panel: #111827;
    --card: rgba(255, 255, 255, 0.04);
    --accent: #22d3ee;
    --accent-strong: #38bdf8;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.08), transparent 25%),
                radial-gradient(circle at 80% 10%, rgba(125, 211, 252, 0.08), transparent 25%),
                radial-gradient(circle at 50% 60%, rgba(14, 165, 233, 0.1), transparent 35%),
                var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.top-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: 14px 7vw;
    gap: 16px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.top-nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #f8fafc;
}

.logo-mark {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 10px 10px 0 rgba(34, 211, 238, 0.12);
    overflow: hidden;
}

.logo-mark::before,
.logo-mark::after {
    content: "";
    position: absolute;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 4px;
}

.logo-mark::before {
    top: 4px;
    left: 4px;
    width: 10px;
    height: 10px;
    box-shadow: 12px 0 0 rgba(255, 255, 255, 0.12);
}

.logo-mark::after {
    bottom: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    box-shadow: -10px 0 0 rgba(15, 23, 42, 0.15);
}

.logo-wordmark {
    letter-spacing: 0.16em;
}

.top-nav__menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    width: 100%;
}

.top-nav__links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.top-nav__links a {
    color: #e2e8f0;
    font-weight: 600;
    font-size: 14px;
}

.top-nav__links a:hover {
    color: #67e8f9;
}

.top-nav__actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.top-nav__toggle {
    display: none;
    margin-left: auto;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    align-items: center;
    gap: 5px;
    flex-direction: column;
}

.top-nav__toggle:hover {
    background: rgba(255, 255, 255, 0.08);
}

.top-nav__toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.top-nav__toggle-bar {
    width: 22px;
    height: 2px;
    background: #e2e8f0;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.top-nav.is-open .top-nav__toggle-bar:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

.top-nav.is-open .top-nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.top-nav.is-open .top-nav__toggle-bar:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
}

h1, h2, h3 {
    color: #f8fafc;
    margin: 0 0 12px;
}

p {
    margin: 0 0 12px;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: #67e8f9;
}

.eyebrow {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 12px;
}

.lede {
    font-size: 18px;
    max-width: 640px;
    color: #cbd5e1;
}

.hero {
    padding: 96px 7vw 56px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero__content h1 {
    font-size: 48px;
    line-height: 1.1;
}

.hero__actions {
    display: flex;
    gap: 12px;
    margin: 24px 0 16px;
}

.hero__pillars {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
}

.hero__pillars span {
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
}

.hero__panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 12px;
}

.metric-card {
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--card);
}

.metric-card--accent {
    background: linear-gradient(120deg, rgba(34, 211, 238, 0.14), rgba(37, 99, 235, 0.16));
    border-color: rgba(34, 211, 238, 0.3);
}

.metric-card__label {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 4px;
    letter-spacing: 0.04em;
}

.metric-card__value {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 6px;
}

.metric-card__sub {
    color: #cbd5e1;
    font-size: 14px;
    margin: 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid var(--border);
    font-weight: 700;
    color: #0f172a;
    background: #e2e8f0;
    box-shadow: 0 14px 30px rgba(226, 232, 240, 0.25);
}

.button--primary {
    background: linear-gradient(120deg, var(--accent-strong), #2563eb);
    color: #0b1220;
    border: none;
    box-shadow: 0 12px 28px rgba(56, 189, 248, 0.35);
}

.button--ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
    box-shadow: none;
}

.section {
    padding: 56px 7vw;
    display: grid;
    gap: 32px;
}

.section--panel {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: start;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.card--highlight {
    background: linear-gradient(130deg, rgba(34, 211, 238, 0.12), rgba(34, 197, 235, 0.05));
    border-color: rgba(34, 211, 238, 0.3);
}

.bullet-list {
    padding-left: 18px;
    color: #cbd5e1;
}

.bullet-list li + li {
    margin-top: 6px;
}

.text-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.section--stripe {
    background: linear-gradient(120deg, rgba(34, 211, 238, 0.08), rgba(56, 189, 248, 0.06));
    padding: 56px 7vw;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    align-items: stretch;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stripe-copy p {
    max-width: 640px;
}

.stripe-steps {
    display: grid;
    gap: 12px;
    align-self: center;
}

.step-list {
    margin: 0;
    padding-left: 18px;
    color: #cbd5e1;
}

.step-list li + li {
    margin-top: 8px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(34, 211, 238, 0.4);
    background: rgba(34, 211, 238, 0.1);
    color: #f8fafc;
    font-weight: 700;
    width: fit-content;
}

.pill--subtle {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    box-shadow: none;
}

.pillars {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
}

.pillars li {
    border: 1px solid var(--border);
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    color: #cbd5e1;
}

.panel-highlight {
    background: linear-gradient(130deg, rgba(79, 70, 229, 0.1), rgba(17, 94, 89, 0.08));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    align-items: stretch;
}

.pricing-visual {
    display: grid;
    gap: 12px;
}

.pricing-visual__image-frame {
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 12px;
    background: linear-gradient(150deg, rgba(34, 211, 238, 0.12), rgba(14, 165, 233, 0.08));
    box-shadow: var(--shadow);
}

.pricing-visual__image-frame img {
    width: 100%;
    border-radius: 12px;
    display: block;
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.25);
}

.digital-section {
    grid-template-columns: 1fr;
}

.footer {
    padding: 28px 7vw 40px;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
}

.footer__brand {
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #f8fafc;
}

.footer__actions {
    display: flex;
    gap: 12px;
}

.footer__actions a {
    color: #e2e8f0;
}

.footer__note {
    grid-column: 1 / -1;
    color: var(--muted);
}

@media (max-width: 960px) {
    .top-nav {
        grid-template-columns: auto auto;
        align-items: center;
    }
    .top-nav__menu {
        display: none;
        grid-column: 1 / -1;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding-top: 8px;
    }
    .top-nav.is-open .top-nav__menu {
        display: flex;
    }
    .top-nav__links {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    .top-nav__actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    .top-nav__actions .button {
        width: 100%;
        justify-content: center;
    }
    .top-nav__toggle {
        display: inline-flex;
    }
    .hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero__content h1 {
        font-size: 36px;
    }
    .hero__actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer {
        grid-template-columns: 1fr;
    }
    .footer__actions {
        flex-wrap: wrap;
    }
}
