/* Public-site redesign. This file is intentionally loaded only by public pages. */
:root {
    --public-ink: #0b172a;
    --public-navy: #0a1830;
    --public-navy-soft: #112543;
    --public-blue: #4285f4;
    --public-blue-dark: #2768d7;
    --public-blue-pale: #eaf2ff;
    --public-cyan: #57d4e8;
    --public-surface: #ffffff;
    --public-canvas: #f4f7fb;
    --public-muted: #607089;
    --public-line: #dce5f0;
    --public-shadow: 0 24px 70px rgba(10, 24, 48, 0.1);
}

html { scroll-padding-top: 88px; }

body {
    background: var(--public-canvas);
    color: var(--public-ink);
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

::selection { background: #cfe0ff; color: var(--public-navy); }

a, button, input, textarea, select, summary { outline-offset: 4px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
select:focus-visible, summary:focus-visible {
    outline: 3px solid rgba(66, 133, 244, 0.45);
}

.pn-skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 1000;
    padding: 0.7rem 1rem;
    border-radius: 0.65rem;
    background: var(--public-navy);
    color: #fff;
    font-weight: 700;
    transform: translateY(-150%);
    transition: transform 0.2s ease;
}
.pn-skip-link:focus { transform: translateY(0); }

/* Navigation */
.pn-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    border: 0;
    border-bottom: 1px solid rgba(220, 229, 240, 0.85);
    box-shadow: 0 8px 30px rgba(10, 24, 48, 0.045);
    backdrop-filter: blur(18px) saturate(160%);
}

.pn-inner {
    width: min(100% - 2.5rem, 1280px);
    min-height: 76px;
    margin: 0 auto;
    padding: 0;
    gap: 2rem;
}

.pn-brand { gap: 0.75rem; color: var(--public-ink); }
.pn-brand:hover { opacity: 1; }
.pn-brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    overflow: hidden;
    border-radius: 12px;
    background: linear-gradient(145deg, #5b9aff, #2d6fdd);
    box-shadow: 0 8px 22px rgba(66, 133, 244, 0.28);
}
.pn-brand-mark--colour {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.pn-brand-mark .pn-brand-img {
    width: 78%;
    height: 78%;
    border-radius: 0;
    object-fit: contain;
}
.pn-brand-mark--colour .pn-brand-img { width: 100%; height: 100%; }
.pn-brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.pn-brand-copy strong { font: 800 1.08rem/1.2 'Outfit', sans-serif; letter-spacing: 0.04em; }
.pn-brand-copy small { margin-top: 0.25rem; color: var(--public-muted); font-size: 0.64rem; font-weight: 600; letter-spacing: 0.025em; }

.pn-nav { justify-content: space-between; gap: 1.25rem; }
.pn-nav-links { display: flex; align-items: center; gap: 0.2rem; }
.pn-nav-link, .pn-resources > summary {
    position: relative;
    padding: 0.65rem 0.7rem;
    color: #41516a;
    border-radius: 0.55rem;
    font-size: 0.82rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    list-style: none;
    transition: color 0.18s ease, background 0.18s ease;
}
.pn-resources > summary::-webkit-details-marker { display: none; }
.pn-resources > summary i { margin-left: 0.3rem; font-size: 0.7rem; transition: transform 0.2s ease; }
.pn-resources[open] > summary i { transform: rotate(180deg); }
.pn-nav-link:hover, .pn-resources > summary:hover { color: var(--public-ink); background: #f1f5fa; }
.pn-nav-link--active, .pn-resources--active > summary { color: var(--public-blue-dark); background: var(--public-blue-pale); }

.pn-resources { position: relative; }
.pn-resource-menu {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 0;
    width: 340px;
    padding: 0.65rem;
    border: 1px solid var(--public-line);
    border-radius: 1rem;
    background: rgba(255,255,255,0.98);
    box-shadow: 0 22px 60px rgba(10, 24, 48, 0.16);
}
.pn-resource-menu::before { content: ''; position: absolute; inset: -0.8rem 0 auto; height: 0.8rem; }
.pn-resource-menu a {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 0.7rem;
    align-items: center;
    padding: 0.7rem;
    color: var(--public-ink);
    border-radius: 0.7rem;
    text-decoration: none;
}
.pn-resource-menu a:hover { background: var(--public-blue-pale); }
.pn-resource-menu i { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 9px; background: #edf4ff; color: var(--public-blue-dark); }
.pn-resource-menu span { display: flex; flex-direction: column; }
.pn-resource-menu strong { font-size: 0.82rem; }
.pn-resource-menu small { margin-top: 0.1rem; color: var(--public-muted); font-size: 0.7rem; }

.pn-cta-group { gap: 0.55rem; margin: 0; }
.pn-cta { min-height: 42px; padding: 0.6rem 1rem; border-radius: 0.7rem; font-size: 0.78rem; font-weight: 750; }
.pn-cta--login { border: 0; color: #34445c; }
.pn-cta--login:hover { border: 0; background: #eef3f8; color: var(--public-ink); }
.pn-cta--primary {
    background: var(--public-blue);
    color: #fff;
    box-shadow: 0 9px 22px rgba(66, 133, 244, 0.24);
}
.pn-cta--primary:hover { background: var(--public-blue-dark); transform: translateY(-1px); box-shadow: 0 12px 28px rgba(66,133,244,.3); }
.pn-cta--primary i { transition: transform 0.18s ease; }
.pn-cta--primary:hover i { transform: translateX(3px); }

/* Interior public pages */
body > .header {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(4.5rem, 8vw, 7.5rem) 0 clamp(5.25rem, 9vw, 8rem);
    background:
        radial-gradient(circle at 82% 12%, rgba(87, 212, 232, 0.18), transparent 26%),
        radial-gradient(circle at 15% 85%, rgba(66, 133, 244, 0.24), transparent 30%),
        linear-gradient(128deg, #08172d 0%, #10294e 62%, #123765 100%);
    color: #fff;
}
body > .header::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    opacity: 0.18;
    background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(90deg, #000, transparent 80%);
}
body > .header .container { width: min(100% - 3rem, 1120px); max-width: none; margin: 0 auto; padding: 0; }
body > .header h1 {
    max-width: 900px;
    margin: 0 0 1rem;
    font: 750 clamp(2.5rem, 5.2vw, 4.8rem)/1.02 'Outfit', sans-serif;
    letter-spacing: -0.045em;
}
body > .header .subtitle { max-width: 760px; color: #c9d7e9; font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.75; }

.main-content { padding: 0 0 clamp(4rem, 7vw, 7rem); }
.main-content > .container { width: min(100% - 3rem, 1120px); max-width: none; padding: 0; }
.main-content .content-card {
    position: relative;
    z-index: 2;
    margin-top: -3.5rem;
    padding: clamp(2rem, 5vw, 4.5rem);
    border: 1px solid rgba(220, 229, 240, 0.9);
    border-radius: 1.4rem;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--public-shadow);
}
.main-content .section { margin: 0; padding: 0; }
.main-content .section + .section { margin-top: 3rem; padding-top: 3rem; border-top: 1px solid #e7edf5; }
.main-content .section h2 { margin-bottom: 1rem; color: var(--public-ink); font-size: clamp(1.7rem, 3vw, 2.35rem); letter-spacing: -0.025em; }
.main-content .section h3 { color: var(--public-ink); }
.main-content .section p, .main-content .section li { color: #52637b; font-size: 1rem; line-height: 1.85; }
.main-content .section a:not(.btn) { color: var(--public-blue-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.methodology-content img { display: block; width: 100%; max-width: 100%; height: auto; }
.methodology-content table { display: block; max-width: 100%; overflow-x: auto; white-space: normal; }

.feature-grid, .plans-grid, .contact-grid { gap: 1rem; }
.feature, .plan, .contact-item, .stat, .callout, .reference, .equation, .step {
    border: 1px solid #dfe8f2;
    border-radius: 1rem;
    background: linear-gradient(145deg, #fff, #f8fbff);
    box-shadow: 0 8px 26px rgba(10, 24, 48, 0.045);
}
.feature { position: relative; overflow: hidden; padding: 1.65rem; }
.feature::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--public-blue), var(--public-cyan)); opacity: 0; transition: opacity .2s ease; }
.feature:hover::before { opacity: 1; }
.feature h3 { font-size: 1.05rem; }
.plan { padding: 1.8rem; }
.plan.featured { border-color: rgba(66, 133, 244, 0.55); box-shadow: 0 18px 45px rgba(66, 133, 244, 0.13); }
.plan.featured .plan-cta { color: #fff !important; }
.plan .plan-cta {
    display: flex;
    min-height: 48px;
    padding: 0.65rem 0.75rem;
    align-items: center;
    justify-content: center;
    line-height: 1.2;
    white-space: nowrap;
}
.contact-item { padding: 1.35rem; }

.related-links { gap: 0.65rem; margin-top: 3rem; padding-top: 2rem; }
.related-links a {
    padding: 0.65rem 1rem;
    border: 1px solid #d8e2ee;
    border-radius: 0.7rem;
    background: #f8fafc;
    color: #34465f;
    font-size: 0.84rem;
    font-weight: 700;
}
.related-links a:hover { border-color: var(--public-blue); background: var(--public-blue-pale); color: var(--public-blue-dark); }

input:not([type='checkbox']):not([type='radio']), textarea, select {
    border-radius: 0.7rem !important;
    border-color: #ced9e6 !important;
    background: #fbfdff !important;
}
input:focus, textarea:focus, select:focus { border-color: var(--public-blue) !important; box-shadow: 0 0 0 4px rgba(66, 133, 244, 0.12) !important; }

/* Homepage */
.hero {
    min-height: min(820px, calc(100vh - 76px));
    background: var(--public-navy);
}
.hero-bg {
    background:
        radial-gradient(circle at 84% 18%, rgba(87, 212, 232, 0.2), transparent 25%),
        radial-gradient(circle at 14% 82%, rgba(66, 133, 244, 0.25), transparent 31%),
        linear-gradient(128deg, #08172d 0%, #10294e 62%, #123765 100%);
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.18;
    background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(90deg, #000, transparent 82%);
}
.hero > .container, .section > .container, .cta-section > .container { width: min(100% - 3rem, 1240px); max-width: none; padding: 0; }
.hero-content { gap: clamp(2.5rem, 6vw, 6rem); padding: 5rem 0; }
.hero-badge { padding: 0.52rem 0.85rem; border: 1px solid rgba(145, 190, 255, .32); background: rgba(255,255,255,.07); color: #d5e5fa; font-size: .76rem; font-weight: 700; backdrop-filter: blur(8px); }
.hero-title { max-width: 700px; color: #fff; font-size: clamp(3.1rem, 5.3vw, 5.3rem); line-height: 0.99; letter-spacing: -0.055em; }
.hero-title .accent { color: #67a3ff; }
.hero-subtitle { max-width: 620px; color: #c4d3e6; font-size: 1.1rem; line-height: 1.75; }
.hero-stats { gap: 0.7rem; }
.stat-item { min-width: 120px; padding: 0.8rem 1rem; border: 1px solid rgba(180,205,235,.22); border-radius: .85rem; background: rgba(255,255,255,.07); backdrop-filter: blur(8px); }
.stat-value { font: 750 1.6rem/1 'Outfit',sans-serif; color: #fff; }
.stat-label { margin-top: .35rem; color: #aebfd4; font-size: .65rem; font-weight: 700; }
.btn { border-radius: .75rem; font-weight: 750; }
.btn-primary { background: var(--public-blue); box-shadow: 0 12px 28px rgba(66,133,244,.27); }
.btn-primary:hover { background: var(--public-blue-dark); }
.hero .btn-secondary { border-color: rgba(210,225,242,.35); background: rgba(255,255,255,.07); color: #fff; box-shadow: 0 8px 24px rgba(0,0,0,.12); backdrop-filter: blur(8px); }
.hero .btn-secondary:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.13); }
.hero-image-wrapper { border: 1px solid rgba(255,255,255,.9); border-radius: 1.25rem; box-shadow: 0 35px 80px rgba(10, 24, 48, 0.22); transform: perspective(1200px) rotateY(-3deg) rotateX(1deg); }
.hero-image-wrapper::before { border-radius: 1.25rem; }
.hero-visual::before { content: ''; position: absolute; inset: 9% -6% -8% 12%; border-radius: 2rem; background: var(--public-blue); opacity: .09; filter: blur(2px); transform: rotate(4deg); }

.section { padding: clamp(5rem, 8vw, 7.5rem) 0; }
.section-light { background: #f3f7fc; }
.section-header { margin-bottom: 3.5rem; }
.section-label { color: var(--public-blue-dark); font-size: .7rem; font-weight: 800; }
.section-title { color: var(--public-ink); letter-spacing: -.035em; }
.feature-card, .comparison-card, .blog-card, .step-card, .validation-card {
    border-color: #dce5ef;
    border-radius: 1.15rem;
    box-shadow: 0 10px 34px rgba(10, 24, 48, 0.055);
}
.feature-card:hover, .blog-card:hover { transform: translateY(-5px); box-shadow: 0 20px 48px rgba(10,24,48,.11); }
.cta-section { background: linear-gradient(125deg, #08172d, #123765); }

/* Blog cards inherit Tailwind; these selectors provide the refreshed surface language. */
body > main.container { width: min(100% - 3rem, 1040px); max-width: none; padding-top: 4rem; padding-bottom: 5rem; }
body > main.container article.bg-white, .blog-content, body > main.container .bg-white {
    border-color: #dce5ef !important;
    border-radius: 1rem !important;
    box-shadow: 0 12px 35px rgba(10,24,48,.06) !important;
}

/* Footer */
.pn-footer { padding: 0; border: 0; background: var(--public-navy); color: #a9b8cb; }
.pn-footer-inner {
    width: min(100% - 3rem, 1240px);
    max-width: none;
    margin: 0 auto;
    padding: 4.5rem 0 3.5rem;
    display: grid;
    grid-template-columns: minmax(260px, 1.8fr) repeat(3, 1fr);
    gap: 3rem;
}
.pn-footer-lead > p { max-width: 320px; margin: 1.2rem 0 1.5rem; color: #9db0c8; font-size: .92rem; line-height: 1.7; }
.pn-footer-brand { display: inline-flex; flex-direction: row; align-items: center; gap: .75rem; text-decoration: none; }
.pn-footer-logo { color: #fff; font: 800 1.2rem/1 'Outfit',sans-serif; letter-spacing: .05em; }
.pn-footer-company { display: inline-flex; align-items: center; gap: .65rem; color: #91a5bd; font-size: .73rem; text-decoration: none; }
.pn-footer-company:hover { color: #fff; }
.pn-footer-company img { width: 30px; border-radius: 5px; }
.pn-footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: .7rem; }
.pn-footer-column h2 { margin: 0 0 .45rem; color: #fff; font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; }
.pn-footer-column a { color: #a9b8cb; font-size: .82rem; text-decoration: none; }
.pn-footer-column a:hover { color: #fff; }
.pn-footer-bottom {
    width: min(100% - 3rem, 1240px);
    margin: 0 auto;
    padding: 1.4rem 0 2rem;
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.09);
    color: #7890ab;
    font-size: .74rem;
}
.pn-footer-bottom nav { display: flex; gap: 1.25rem; }
.pn-footer-bottom a { color: #8fa3bb; text-decoration: none; }
.pn-footer-bottom a:hover { color: #fff; }

.cb-banner { border-color: #d5e0ed !important; border-radius: 1rem !important; box-shadow: 0 24px 65px rgba(10,24,48,.2) !important; }
.cb-btn { border-radius: .65rem !important; }

@media (hover: hover) and (min-width: 1001px) {
    .pn-resources:not([open]):hover .pn-resource-menu { display: block; }
    .pn-resources:not([open]) .pn-resource-menu { display: none; }
}

@media (max-width: 1100px) {
    .pn-brand-copy small { display: none; }
    .pn-inner { gap: 1rem; }
    .pn-nav-link, .pn-resources > summary { padding-inline: .5rem; }
}

@media (max-width: 900px) {
    .pn-inner { min-height: 68px; width: min(100% - 2rem, 1280px); }
    .pn-burger { display: inline-flex; order: 2; border-radius: .7rem; background: #f0f4f9; }
    .pn-nav {
        top: 100%;
        padding: .75rem 1rem 1.25rem;
        border-bottom: 1px solid var(--public-line);
        background: rgba(255,255,255,.98);
        box-shadow: 0 20px 45px rgba(10,24,48,.13);
        gap: .75rem;
    }
    .pn-burger-toggle:checked ~ .pn-nav { max-height: calc(100vh - 68px); overflow-y: auto; }
    .pn-nav-links { display: flex; flex-direction: column; align-items: stretch; gap: .1rem; }
    .pn-nav-link, .pn-resources > summary { display: block; padding: .75rem; color: #263851; font-size: .94rem; }
    .pn-resources { width: 100%; }
    .pn-resource-menu { position: static; width: 100%; margin-top: .3rem; box-shadow: none; }
    .pn-cta-group { display: grid; grid-template-columns: 1fr 1fr; }
    .pn-cta { padding: .72rem 1rem; }
    .pn-burger-bar { background: #34445c; }
    .pn-footer-inner { grid-template-columns: 1.6fr 1fr 1fr; }
    .pn-footer-column:last-child { grid-column: 2 / -1; }
    .hero-image-wrapper { transform: none; }
}

@media (max-width: 700px) {
    .pn-brand-mark { width: 38px; height: 38px; flex-basis: 38px; }
    .pn-brand-copy strong { font-size: 1rem; }
    .pn-cta-group { grid-template-columns: 1fr; }
    body > .header { padding: 4rem 0 5.5rem; }
    body > .header .container, .main-content > .container, .hero > .container, .section > .container, .cta-section > .container { width: min(100% - 2rem, 1240px); }
    body > .header h1 { font-size: clamp(2.35rem, 12vw, 3.5rem); }
    .main-content .content-card { margin-top: -2.25rem; padding: 1.5rem; border-radius: 1rem; }
    .main-content .section + .section { margin-top: 2.25rem; padding-top: 2.25rem; }
    .hero { min-height: auto; }
    .hero-content { padding: 4rem 0; }
    .hero-title { font-size: clamp(2.75rem, 13vw, 4rem); }
    .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .45rem; }
    .stat-item { min-width: 0; padding: .7rem .45rem; text-align: center; }
    .stat-value { font-size: 1.25rem; }
    .stat-label { font-size: .53rem; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { width: 100%; min-width: 0; }
    .pn-footer-inner { grid-template-columns: 1fr 1fr; padding-top: 3.5rem; gap: 2.5rem 1.5rem; }
    .pn-footer-lead { grid-column: 1 / -1; }
    .pn-footer-column:last-child { grid-column: 1 / -1; }
    .pn-footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}