/* PureAudit marketing page — hand-authored, no build step (see routes/web.php). */

:root {
    --ink: #0b201d;
    --paper: #eef2f0;
    --surface: #ffffff;
    --teal: #0d9488;
    --teal-deep: #0b6d64;
    --teal-pale: #d7ece9;
    --pass: #16a34a;
    --amber: #b45309;
    --line: rgba(11, 32, 29, 0.12);
    --muted: #3f5a56;

    --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
    --font-body: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    color-scheme: light;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    margin: 0;
    line-height: 1.08;
    letter-spacing: -0.01em;
}

p {
    margin: 0;
}

a {
    color: inherit;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ink);
    color: var(--paper);
    padding: 0.75rem 1.25rem;
    z-index: 100;
    border-radius: 0 0 0.5rem 0;
}

.skip-link:focus {
    left: 0;
}

:focus-visible {
    outline: 3px solid var(--teal-deep);
    outline-offset: 3px;
}

.wrap {
    width: 100%;
    max-width: 74rem;
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--teal-deep);
    margin: 0 0 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    text-decoration: none;
    border: 1.5px solid transparent;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--ink);
    color: var(--paper);
}

.btn-primary:hover {
    background: var(--teal-deep);
}

.btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--ink);
}

.btn-ghost:hover {
    border-color: var(--teal-deep);
    background: var(--teal-pale);
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(238, 242, 240, 0.86);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: 0.9rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--ink);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
}

.brand-mark {
    display: inline-flex;
    flex-shrink: 0;
}

.site-nav {
    display: flex;
    gap: 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.site-nav a {
    text-decoration: none;
    color: var(--muted);
    transition: color 0.15s ease;
}

.site-nav a:hover {
    color: var(--ink);
}

@media (max-width: 46rem) {
    .site-nav {
        display: none;
    }
}

/* ---------- Hero ---------- */

.hero {
    padding-block: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 6vw, 4.5rem);
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

@media (max-width: 60rem) {
    .hero-inner {
        grid-template-columns: 1fr;
    }
}

.hero-copy h1 {
    font-size: clamp(2.5rem, 5.6vw, 4rem);
    font-weight: 700;
}

.hero-copy .accent {
    color: var(--teal-deep);
}

.hero-copy .lead {
    margin-top: 1.4rem;
    max-width: 34rem;
    font-size: 1.15rem;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.record-card {
    width: 100%;
    max-width: 22rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 1rem;
    box-shadow: 0 24px 48px -24px rgba(11, 32, 29, 0.35);
    padding: 1.5rem;
    transform: rotate(-2deg);
    transition: transform 0.4s ease;
}

.record-card:hover {
    transform: rotate(0deg);
}

.record-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px dashed var(--line);
}

.record-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.record-status {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
}

.record-status.pass {
    color: var(--pass);
    background: rgba(22, 163, 74, 0.12);
}

.record-fields {
    display: grid;
    gap: 0.65rem;
    margin: 0;
}

.record-fields > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.record-fields dt {
    font-size: 0.82rem;
    color: var(--muted);
}

.record-fields dd {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    font-weight: 600;
    text-align: right;
}

/* ---------- Swap band ---------- */

.swap {
    background: var(--ink);
    color: var(--paper);
    padding-block: clamp(2.5rem, 5vw, 3.5rem);
}

.swap-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2.5rem;
}

@media (max-width: 46rem) {
    .swap-list {
        grid-template-columns: 1fr;
    }
}

.swap-list li {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    font-size: 1.02rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(238, 242, 240, 0.14);
}

.swap-from {
    color: rgba(238, 242, 240, 0.55);
    text-decoration: line-through;
    text-decoration-color: rgba(238, 242, 240, 0.35);
    flex: 0 0 auto;
}

.swap-arrow {
    color: var(--teal);
    flex: 0 0 auto;
}

.swap-to {
    font-weight: 600;
}

/* ---------- Section shell ---------- */

section h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.3rem);
    max-width: 34rem;
}

.section-lead {
    margin-top: 0.9rem;
    max-width: 40rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.modules,
.roles,
.tiers {
    padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.roles {
    background: var(--surface);
    border-block: 1px solid var(--line);
}

/* ---------- Modules ---------- */

.module-groups {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    overflow: hidden;
}

.module-group {
    background: var(--surface);
    padding: 1.5rem;
}

.module-group h3 {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--teal-deep);
    font-weight: 600;
    margin-bottom: 1rem;
}

.module-group ul {
    display: grid;
    gap: 0.55rem;
}

.module-group li {
    font-size: 0.95rem;
    padding-left: 1rem;
    position: relative;
}

.module-group li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 999px;
    background: var(--teal);
}

/* ---------- Roles ---------- */

.roles-grid {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: 1.25rem;
}

.role {
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    background: var(--paper);
}

.role-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--teal-deep);
    background: var(--teal-pale);
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    margin-bottom: 0.85rem;
}

.role h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.role p {
    font-size: 0.92rem;
    color: var(--muted);
}

/* ---------- Tiers ---------- */

.tier-cards {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
    gap: 1.5rem;
}

.tier-card {
    position: relative;
    padding: 2rem 1.75rem;
    border-radius: 1rem;
    border: 1px solid var(--line);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.tier-card h3 {
    font-size: 1.3rem;
}

.tier-card p {
    color: var(--muted);
    font-size: 0.95rem;
    flex-grow: 1;
}

.tier-card.featured {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.tier-card.featured p {
    color: rgba(238, 242, 240, 0.75);
}

.tier-badge {
    position: absolute;
    top: -0.75rem;
    left: 1.75rem;
    background: var(--teal);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
}

.tier-card.featured .btn-ghost {
    border-color: rgba(238, 242, 240, 0.4);
    color: var(--paper);
}

.tier-card.featured .btn-ghost:hover {
    background: rgba(238, 242, 240, 0.12);
    border-color: var(--paper);
}

/* ---------- Contact CTA ---------- */

.cta {
    padding-block: clamp(3.5rem, 7vw, 5.5rem);
    background: var(--teal-pale);
    border-top: 1px solid var(--line);
}

.cta-inner {
    text-align: center;
}

.cta-inner h2 {
    max-width: none;
    margin-inline: auto;
}

.cta-inner p {
    margin: 1rem auto 0;
    max-width: 32rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.cta-actions {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9rem;
}

.lead-form {
    margin: 2.5rem auto 0;
    max-width: 34rem;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--line);
    background: var(--surface);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.lead-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
}

.lead-form-hp {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
}

.field input,
.field textarea {
    font: inherit;
    padding: 0.65rem 0.8rem;
    border-radius: 0.5rem;
    border: 1px solid var(--line);
    background: var(--paper);
    color: var(--ink);
}

.field input:focus,
.field textarea:focus {
    outline: 2px solid var(--teal);
    outline-offset: 1px;
}

.field textarea {
    resize: vertical;
    min-height: 5.5rem;
}

.field-error {
    font-size: 0.82rem;
    color: #b91c1c;
}

.lead-form .btn {
    align-self: flex-start;
}

.form-success {
    margin: 2rem auto 0;
    max-width: 30rem;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--pass);
    color: var(--teal-deep);
    font-weight: 600;
}

@media (max-width: 640px) {
    .lead-form-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- Footer ---------- */

.site-footer {
    background: var(--ink);
    color: rgba(238, 242, 240, 0.7);
    padding-block: 2.5rem;
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-inner .brand {
    color: var(--paper);
    font-size: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.footer-links a {
    text-decoration: none;
    color: inherit;
}

.footer-links a:hover {
    color: var(--paper);
}

.footer-meta {
    width: 100%;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(238, 242, 240, 0.14);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: rgba(238, 242, 240, 0.5);
}

/* ---------- Scroll reveal ---------- */

[data-reveal] {
    opacity: 1;
    transform: none;
}

body.js-ready [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

body.js-ready [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}