/* =========================================================================
   pencloser.com — Privacy Encloser
   Corporate, minimalist, hero-dominant privacy page.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
    --c-white: #ffffff;
    --c-tint:  #f8f8f8;
    --c-ink:   #1a1a1a;
    --c-blue:  #0066cc;
    --c-green: #00aa66;
    --c-meta:  #666666;
    --c-border:#e8e8e8;
    --c-red:   #cc0000;

    --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-mono: 'Source Code Pro', ui-monospace, SFMono-Regular, Menlo, monospace;

    --column: 640px;
    --section-pad: 96px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--c-white);
    color: var(--c-ink);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.75;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.5em;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--c-ink);
}

p {
    margin: 0 0 1em;
}

a {
    color: var(--c-blue);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--c-ink);
}

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

.mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.small {
    font-size: 0.8rem;
}

.centered {
    text-align: center;
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

.narrow {
    max-width: var(--column);
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(10px);
    -webkit-backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--c-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--c-ink);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.brand-mark {
    display: inline-block;
    width: 18px;
    height: 22px;
    border: 2px solid var(--c-blue);
    background: transparent;
    clip-path: polygon(50% 100%, 0% 65%, 0% 0%, 100% 0%, 100% 65%);
    border-radius: 3px 3px 0 0;
    transition: border-color var(--transition);
}

.brand:hover .brand-mark {
    border-color: var(--c-ink);
}

.brand-mark.small {
    width: 14px;
    height: 18px;
}

.brand-text {
    font-size: 0.95rem;
}

.primary-nav {
    display: flex;
    gap: 28px;
}

.primary-nav a {
    color: var(--c-meta);
    font-size: 0.9rem;
    font-weight: 500;
}

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

@media (max-width: 640px) {
    .primary-nav {
        display: none;
    }
}

/* ---------- Hero ---------- */
.hero {
    padding: 140px 0 120px;
    background: var(--c-white);
    text-align: center;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.shield-hero {
    width: 160px;
    height: 192px;
    margin-bottom: 48px;
    position: relative;
    transition: transform 0.4s ease;
}

.shield-outline {
    position: absolute;
    inset: 0;
    border: 2px solid var(--c-blue);
    background: transparent;
    clip-path: polygon(50% 100%, 0% 70%, 0% 0%, 100% 0%, 100% 70%);
    border-radius: 6px 6px 0 0;
}

.shield-inner-mark {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    transform: translate(-50%, -60%) rotate(-45deg);
    border: 2px solid var(--c-blue);
    border-top: none;
    border-right: none;
    border-radius: 0 0 0 4px;
    opacity: 0.85;
    transition: border-color var(--transition);
}

.shield-hero:hover {
    transform: translateY(-4px);
}

.shield-hero:hover .shield-outline,
.shield-hero:hover .shield-inner-mark {
    border-color: var(--c-ink);
}

.hero-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    margin: 0 0 16px;
    letter-spacing: -0.025em;
}

.hero-tagline {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--c-meta);
    max-width: 520px;
    margin: 0 0 40px;
}

.hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    border: 1px solid var(--c-border);
    border-radius: 999px;
    background: var(--c-white);
    color: var(--c-meta);
    font-size: 0.82rem;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-green);
    box-shadow: 0 0 0 4px rgba(0, 170, 102, 0.12);
    animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(0, 170, 102, 0.12); }
    50%      { box-shadow: 0 0 0 6px rgba(0, 170, 102, 0.04); }
}

.hero-meta-divider {
    width: 1px;
    height: 12px;
    background: var(--c-border);
}

/* ---------- Dividers ---------- */
.rule-divider {
    width: 60%;
    height: 1px;
    margin: 0 auto;
    background: var(--c-border);
}

/* ---------- Sections ---------- */
.section {
    padding: var(--section-pad) 0;
}

.section-light {
    background: var(--c-white);
}

.section-tint {
    background: var(--c-tint);
}

.eyebrow {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    color: var(--c-blue);
    margin: 0 0 14px;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    margin: 0 0 24px;
}

.section-lede {
    color: var(--c-meta);
    font-size: 1.05rem;
    max-width: 540px;
    margin: 0 auto 48px;
}

/* ---------- Row layout (icon + text) ---------- */
.row {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 28px;
    align-items: flex-start;
}

@media (max-width: 540px) {
    .row {
        grid-template-columns: 44px 1fr;
        gap: 18px;
    }
}

.row-icon {
    padding-top: 4px;
}

.lede {
    font-size: 1.08rem;
    color: var(--c-ink);
}

.meta-line {
    color: var(--c-meta);
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.alert-marker {
    width: 10px;
    height: 10px;
    border: 2px solid var(--c-red);
    border-radius: 50%;
    display: inline-block;
}

/* ---------- Icon shapes ---------- */
.icon-shape {
    width: 40px;
    height: 40px;
    position: relative;
    color: var(--c-blue);
    transition: color var(--transition), border-color var(--transition);
}

/* small shield mark */
.icon-shield-small {
    width: 32px;
    height: 38px;
    border: 2px solid var(--c-blue);
    background: transparent;
    clip-path: polygon(50% 100%, 0% 70%, 0% 0%, 100% 0%, 100% 70%);
    border-radius: 4px 4px 0 0;
}

.icon-shield-small::after {
    content: '';
    position: absolute;
    top: 38%;
    left: 50%;
    width: 10px;
    height: 6px;
    transform: translate(-50%, -50%) rotate(-45deg);
    border-left: 2px solid var(--c-blue);
    border-bottom: 2px solid var(--c-blue);
}

/* lock */
.icon-lock {
    width: 34px;
    height: 38px;
}

.lock-shackle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 18px;
    border: 2px solid var(--c-blue);
    border-bottom: none;
    border-radius: 11px 11px 0 0;
    transition: top 0.25s ease, height 0.25s ease, border-color var(--transition);
}

.lock-body {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 22px;
    border: 2px solid var(--c-blue);
    border-radius: 4px;
    background: transparent;
    transition: background var(--transition), border-color var(--transition);
}

.lock-body::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--c-blue);
    transform: translate(-50%, -60%);
    box-shadow: 0 6px 0 -1px var(--c-blue);
    transition: background var(--transition);
}

/* lock open state */
.icon-lock[data-lock="open"] .lock-shackle {
    top: -4px;
    height: 22px;
    transform: translateX(-30%);
}

/* lock hover seal animation */
.icon-lock:hover .lock-shackle {
    top: 2px;
    height: 16px;
}

.icon-lock:hover .lock-body {
    background: rgba(0, 102, 204, 0.06);
}

/* eye */
.icon-eye {
    width: 40px;
    height: 28px;
    border: 2px solid var(--c-blue);
    border-radius: 50% / 70%;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eye-iris {
    width: 10px;
    height: 10px;
    border: 2px solid var(--c-blue);
    border-radius: 50%;
    background: transparent;
}

/* document */
.icon-doc {
    width: 30px;
    height: 38px;
    border: 2px solid var(--c-blue);
    background: transparent;
    border-radius: 2px;
    padding: 6px 5px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.icon-doc::before {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 9px;
    height: 9px;
    background: var(--c-white);
    border-left: 2px solid var(--c-blue);
    border-bottom: 2px solid var(--c-blue);
}

.icon-shape.icon-doc {
    box-sizing: border-box;
}

.section-tint .icon-doc::before {
    background: var(--c-tint);
}

.doc-line {
    display: block;
    height: 2px;
    background: var(--c-blue);
    border-radius: 1px;
}

.doc-line.short {
    width: 60%;
}

/* ---------- Principles ---------- */
.principle {
    padding: 36px 0;
    border-bottom: 1px solid var(--c-border);
}

.principle:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.principle:first-of-type {
    margin-top: 24px;
}

.principle-title {
    font-size: 1.2rem;
    margin: 0 0 8px;
}

.principle p {
    color: var(--c-ink);
}

/* ---------- Architecture / Layers ---------- */
.layers {
    margin-top: 8px;
    border-top: 1px solid var(--c-border);
}

.layer {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 28px;
    padding: 28px 4px;
    border-bottom: 1px solid var(--c-border);
    align-items: flex-start;
    transition: background var(--transition);
}

.layer:hover {
    background: rgba(0, 102, 204, 0.02);
}

.layer-index {
    color: var(--c-blue);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    padding-top: 4px;
}

.layer-title {
    font-size: 1.1rem;
    margin: 0 0 6px;
}

.layer-body p {
    margin: 0;
    color: var(--c-ink);
}

.layer-body .small {
    color: var(--c-meta);
    margin-top: 6px;
    display: block;
}

/* ---------- Assurance / Badges ---------- */
.badge-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 24px;
    margin: 24px 0 40px;
}

@media (max-width: 540px) {
    .badge-list {
        grid-template-columns: 1fr;
    }
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--c-border);
    background: var(--c-white);
    border-radius: 6px;
    transition: border-color var(--transition), transform var(--transition);
}

.badge-item:hover {
    border-color: var(--c-green);
    transform: translateY(-1px);
}

.check-badge {
    width: 24px;
    height: 24px;
    border: 2px solid var(--c-green);
    border-radius: 50%;
    background: transparent;
    position: relative;
    flex: 0 0 24px;
}

.check-badge::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 5px;
    border-left: 2px solid var(--c-green);
    border-bottom: 2px solid var(--c-green);
    transform: translate(-55%, -75%) rotate(-45deg);
}

.badge-label {
    font-size: 0.92rem;
    color: var(--c-ink);
}

.assurance-note {
    color: var(--c-meta);
    margin-top: 8px;
}

.assurance-note .mono {
    color: var(--c-meta);
}

#reportHash {
    color: var(--c-blue);
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 32px 0 40px;
}

@media (max-width: 540px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-item {
    border: 1px solid var(--c-border);
    background: var(--c-white);
    padding: 20px 18px;
    border-radius: 6px;
    transition: border-color var(--transition);
}

.contact-item:hover {
    border-color: var(--c-blue);
}

.contact-label {
    color: var(--c-meta);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.7rem;
    margin: 0 0 6px;
}

.contact-value {
    margin: 0;
    font-size: 0.98rem;
    color: var(--c-ink);
    word-break: break-all;
}

.pgp-line {
    color: var(--c-meta);
    margin-top: 24px;
}

.pgp {
    color: var(--c-ink);
    letter-spacing: 0.04em;
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--c-border);
    padding: 48px 0 64px;
    background: var(--c-white);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--c-ink);
}

.footer-name {
    font-weight: 600;
}

.footer-tagline {
    color: var(--c-meta);
    font-size: 0.9rem;
}

.footer-meta {
    color: var(--c-meta);
}

.footer-meta a {
    color: var(--c-meta);
}

.footer-meta a:hover {
    color: var(--c-ink);
}

/* ---------- In-view reveal (very subtle) ---------- */
.reveal {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}