:root {
    --bg: #f6f7fb;
    --surface: rgba(255, 255, 255, 0.75);
    --surface-strong: #ffffff;
    --text: #101522;
    --muted: #5f6677;
    --line: rgba(16, 21, 34, 0.08);
    --shadow: 0 18px 48px rgba(16, 21, 34, 0.08);
    --radius: 24px;
    --accent: #111827;
    --accent-contrast: #ffffff;
    --success: #1f7a53;
    --error: #a63f3f;
}

/* Reset */
* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background:
            radial-gradient(circle at top left, rgba(99, 102, 241, 0.10), transparent 28%),
            radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.10), transparent 24%),
            var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Layout */
.container {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 24px;
}

/* Header */
.topbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 20px;
}

.brand {
    display: inline-flex;
    align-items: center;
}

.brand-with-logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    flex: 0 0 72px;
}

.brand-text {
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
}

/* Grid */
.hero-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.95fr;
    gap: 24px;
    align-items: center;
}

.hero-grid-single {
    display: block;
}

.hero-grid-single .hero-copy,
.hero-grid-single .subscribe-card {
    max-width: 640px;
}

/* Cards */
.hero-copy,
.lookup-card,
.subscribe-card {
    background: var(--surface);
    backdrop-filter: blur(18px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: 42px;
}

.lookup-card,
.subscribe-card {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.subscribe-card {
    margin-top: 20px;
}

/* Typography */
.eyebrow {
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 1rem;
    font-weight: 700;
    color: var(--muted);
}

h1 {
    margin: 0;
    font-size: clamp(2.5rem, 4.6vw, 4.6rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

h2 {
    margin: 0;
    font-size: 2rem;
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.lead,
.subtle,
.form-note,
.footer-note,
.text-link {
    color: var(--muted);
    font-size: 1.28rem;
    line-height: 1.55;
}

.lead {
    max-width: 56ch;
    margin: 18px 0 0;
}

.card-header {
    margin-bottom: 8px;
}

/* Meta */
.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0;
}

.meta-pill {
    min-width: 120px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.65);
}

.meta-label {
    display: block;
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
    margin-bottom: 6px;
}

.meta-pill strong {
    font-size: 1.28rem;
    line-height: 1.3;
}

/* Buttons / Inputs */
.cta-row,
.input-row {
    display: flex;
    gap: 12px;
}

.button,
button {
    appearance: none;
    border: none;
    border-radius: 16px;
    background: var(--accent);
    color: var(--accent-contrast);
    padding: 16px 22px;
    font-weight: 700;
    font-size: 1.22rem;
    line-height: 1.2;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform 160ms ease, opacity 160ms ease;
}

.button:hover,
button:hover {
    transform: translateY(-1px);
    opacity: 0.96;
}

.button-ghost {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text);
}

input[type="text"],
input[type="email"] {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-strong);
    color: var(--text);
    padding: 16px 18px;
    font-size: 1.28rem;
    line-height: 1.35;
    outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus {
    border-color: rgba(16, 21, 34, 0.24);
    box-shadow: 0 0 0 4px rgba(16, 21, 34, 0.05);
}

.input-row input {
    flex: 1;
}

/* Messages */
.form-message {
    min-height: 22px;
    font-size: 1rem;
    line-height: 1.4;
}

.form-message.is-success {
    color: var(--success);
}

.form-message.is-error {
    color: var(--error);
}

.hidden {
    display: none;
}

.hp-field {
    display: none;
}

/* Solution */
.solution-result {
    border-top: 1px solid var(--line);
    padding-top: 18px;
}

.solution-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.solution-svg {
    display: grid;
    place-items: center;
    min-height: 220px;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.70);
    padding: 18px;
}

.solution-svg svg {
    width: 100%;
    height: auto;
    max-width: 340px;
}

/* Video */
.video-embed {
    margin-top: 24px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: #000;
}

.video-embed iframe {
    width: 100%;
    aspect-ratio: 9 / 16;
    display: block;
    border: 0;
}

/* Footer */
.site-footer {
    margin-top: 18px;
}

.footer-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    color: var(--muted);
}

.footer-copy {
    font-size: 1.08rem;
    line-height: 1.4;
    opacity: 0.9;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text);
}

.footer-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.footer-brand-text {
    font-size: 1rem;
    letter-spacing: -0.02em;
}

/* Subscribed */
.subscribed-actions {
    margin-top: 12px;
}

.subscribed-actions .button,
.subscribed-actions a.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    padding: 16px 22px;
    font-size: 1.24rem;
    line-height: 1.2;
    color: var(--accent-contrast) !important;
    text-decoration: none !important;
}

/* Legal / Privacy */
.legal-shell {
    padding-top: 40px;
    padding-bottom: 40px;
}

.legal-wrap {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
}

.legal-card {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    background: var(--surface);
    backdrop-filter: blur(18px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 48px;
}

.legal-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.legal-header h1 {
    margin: 0 0 16px;
    font-size: clamp(2.5rem, 4.8vw, 4.2rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.legal-intro {
    margin: 0;
    max-width: 62ch;
    color: rgba(16, 21, 34, 0.82);
    font-size: 1.38rem;
    line-height: 1.7;
}

.legal-updated {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.4;
}

.legal-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.legal-content section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.legal-content h2 {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.legal-content p,
.legal-content li {
    color: rgba(16, 21, 34, 0.82);
    font-size: 1.28rem;
    line-height: 1.75;
}

.legal-content p {
    margin: 0;
}

.legal-content ul {
    margin: 0;
    padding-left: 1.4rem;
}

.legal-content a {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.legal-content a:hover {
    opacity: 0.8;
}

.legal-content a.button,
.subscribed-actions a.button {
    color: var(--accent-contrast) !important;
    text-decoration: none !important;
}

/* Responsive */
@media (max-width: 980px) {
    .page-shell {
        padding: 18px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .hero-copy {
        padding: 28px;
    }

    .solution-meta {
        grid-template-columns: 1fr;
    }

    .legal-card {
        padding: 32px 24px;
    }

    .lead,
    .subtle,
    .form-note,
    .footer-note,
    .text-link {
        font-size: 1.16rem;
    }

    input[type="text"],
    input[type="email"] {
        font-size: 1.16rem;
    }

    .button,
    button,
    .subscribed-actions .button,
    .subscribed-actions a.button {
        font-size: 1.12rem;
    }
}

@media (max-width: 640px) {
    .brand-logo {
        width: 60px;
        height: 60px;
        flex-basis: 60px;
    }

    .brand-text {
        font-size: 1.45rem;
    }

    .cta-row,
    .input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .legal-shell {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .legal-card {
        padding: 24px 18px;
        border-radius: 20px;
    }

    .legal-header {
        margin-bottom: 24px;
        padding-bottom: 18px;
    }

    .legal-content {
        gap: 22px;
    }

    .eyebrow {
        font-size: 0.9rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .lead,
    .subtle,
    .form-note,
    .footer-note,
    .text-link {
        font-size: 1.06rem;
        line-height: 1.5;
    }

    .meta-pill strong {
        font-size: 1.1rem;
    }

    input[type="text"],
    input[type="email"] {
        font-size: 1.06rem;
        padding: 14px 16px;
    }

    .button,
    button,
    .subscribed-actions .button,
    .subscribed-actions a.button {
        font-size: 1.06rem;
        padding: 14px 18px;
    }

    .legal-content h2 {
        font-size: 1.18rem;
    }

    .legal-content p,
    .legal-content li {
        font-size: 1.04rem;
        line-height: 1.7;
    }

    .legal-intro {
        font-size: 1.08rem;
        line-height: 1.65;
    }
}