/* Pangeus brand stylesheet: tokens and rules per operations/brand/README.md
   Serif speaks first · teal is scarce · navy before black · no gradients, no shadows, 4-6px radius max */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand tokens */
    --navy-900: #03204E;
    --navy-700: #1A3A6B;
    --slate-800: #24313F;
    --slate-500: #5B6B7E;
    --teal-400: #45B4BA;   /* graphic only, never text on white */
    --teal-700: #1F6D72;   /* teal as text */
    --teal-100: #E3F4F5;
    --brass-600: #8A6D35;
    --paper: #F6F8FA;
    --border: #DFE6ED;
    --success: #1F7A4D;
    --warning: #9C6A14;
    --danger: #AE3A34;
    --white: #ffffff;
    --navy-body-text: #C7D3E4; /* body text on navy ground */

    /* Legacy aliases (build.js-injected content references these) */
    --pangeus-teal: var(--teal-700);
    --pangeus-dark-teal: #16545A;
    --pangeus-navy: var(--navy-900);
    --pangeus-dark-navy: var(--navy-900);
    --dark-gray: var(--slate-800);
    --medium-gray: var(--slate-500);
    --light-gray: var(--slate-500);
    --pale-gray: var(--paper);
    --off-white: var(--paper);
    --black: var(--navy-900);

    --font-serif: 'Source Serif 4', Georgia, serif;
    --font-sans: 'Inter', -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--slate-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography: serif speaks first, in navy */
h1, h2, h3 {
    font-family: var(--font-serif);
    color: var(--navy-900);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h2 {
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--slate-500);
    margin-bottom: 1.5rem;
}

.eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-700);
    margin-bottom: 1.25rem;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 38px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2.25rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--slate-800);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: color 0.2s ease;
    cursor: pointer;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--navy-700);
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-color: var(--teal-400);
    text-decoration-thickness: 2px;
}

.nav-cta,
.nav-links a.nav-cta {
    padding: 0.65rem 1.5rem;
    background: var(--navy-900);
    color: var(--white) !important;
    text-decoration: none !important;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: 1px solid var(--navy-900);
    border-radius: 4px;
    transition: background 0.2s ease;
}

.nav-cta:hover {
    background: var(--navy-700);
    border-color: var(--navy-700);
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

main, .page-offset {
    margin-top: 81px;
}

/* Hero */
.hero {
    padding: 7rem 0 5rem;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.hero-content {
    max-width: 900px;
}

.hero h1 {
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--slate-500);
    margin-bottom: 3rem;
    max-width: 720px;
}

/* Buttons: navy primary; teal stays graphic */
.btn-primary,
.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--navy-900);
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: 1px solid var(--navy-900);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-primary:hover,
.hero-cta:hover {
    background: var(--navy-700);
    border-color: var(--navy-700);
}

.btn-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--navy-900);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: 1px solid var(--navy-900);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-secondary:hover {
    background: var(--paper);
}

/* On navy ground */
.on-navy .btn-primary,
.calendly-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--navy-900);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: 1px solid var(--white);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.calendly-button:hover {
    background: var(--teal-100);
    border-color: var(--teal-100);
}

.button-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    padding: 5rem 0;
    background: var(--paper);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* Card grids */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2.5rem 2rem;
}

/* Pipeline cards (homepage router) */
.pipeline-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-top: 3px solid var(--teal-400); /* the one teal element in this view */
    border-radius: 4px;
    padding: 2.5rem 2rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease;
}

.pipeline-card:hover {
    border-color: var(--navy-700);
    border-top-color: var(--teal-400);
}

.pipeline-card .eyebrow {
    margin-bottom: 0.75rem;
}

.pipeline-card h3 {
    margin-bottom: 0.75rem;
}

.pipeline-card p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.pipeline-card .card-link {
    margin-top: auto;
    color: var(--navy-700);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Service cards */
.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2.5rem 2rem;
}

.service-number {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--navy-700);
    opacity: 0.35;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* Tier cards (AI Sprint) */
.tier-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
}

.tier-card.tier-anchor {
    border: 2px solid var(--navy-900);
}

.tier-price {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--navy-900);
    margin-bottom: 0.25rem;
}

.tier-audience {
    font-size: 0.95rem;
    color: var(--slate-500);
    margin-bottom: 1.5rem;
}

.tier-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.tier-list li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.98rem;
    color: var(--slate-800);
    line-height: 1.5;
}

.tier-list li:last-child {
    border-bottom: none;
}

/* Stat strip */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.stat {
    border-left: 3px solid var(--teal-400);
    padding-left: 1.25rem;
}

.stat .stat-value {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--navy-900);
    line-height: 1.2;
}

.stat .stat-label {
    font-size: 0.95rem;
    color: var(--slate-500);
}

/* Numbered steps */
.steps {
    counter-reset: step;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.step {
    counter-increment: step;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2.5rem 2rem;
}

.step::before {
    content: counter(step, decimal-leading-zero);
    display: block;
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--navy-700);
    opacity: 0.35;
    margin-bottom: 1rem;
}

.step p {
    font-size: 1rem;
    margin: 0;
}

/* Callout: teal wash, navy text */
.callout {
    background: var(--teal-100);
    border-radius: 4px;
    padding: 2rem 2.5rem;
    margin: 3rem 0 0;
}

.callout p {
    color: var(--navy-900);
    font-family: var(--font-serif);
    font-size: 1.3rem;
    line-height: 1.5;
    margin: 0;
}

/* Article cards (homepage + articles listing, populated by build.js) */
.featured-articles {
    padding: 5rem 0;
    background: var(--white);
}

.featured-articles h2 {
    text-align: center;
}

.featured-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 950px;
    margin: 3rem auto;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.article-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    display: block;
    transition: border-color 0.2s ease;
    overflow: hidden;
}

.article-card:hover {
    border-color: var(--navy-700);
}

.article-content {
    padding: 2rem;
}

.article-card .article-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--navy-900);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-excerpt {
    color: var(--slate-500);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.article-author {
    font-style: italic;
    color: var(--slate-500);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.article-date {
    font-size: 0.875rem;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.read-more {
    color: var(--teal-700);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

/* Contact / CTA section on navy ground */
.contact, .cta-navy {
    padding: 5rem 0;
    background: var(--navy-900);
    color: var(--white);
}

.contact h2, .cta-navy h2 {
    color: var(--white);
    margin-bottom: 2rem;
}

.contact .eyebrow, .cta-navy .eyebrow {
    color: var(--teal-400); /* the one place logo teal may set type */
}

.contact p, .cta-navy p {
    font-size: 1.2rem;
    color: var(--navy-body-text);
    margin-bottom: 2rem;
}

.contact-content {
    max-width: 800px;
}

.contact input,
.contact textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-size: 1rem;
    font-family: var(--font-sans);
}

/* Short lead-capture form on navy ground (landing pages) */
.pangeus-contact-form {
    margin-top: 2.5rem;
    max-width: 560px;
    text-align: left;
}

.pangeus-contact-form[hidden] {
    display: none;
}

.pangeus-contact-form .field {
    margin-bottom: 1rem;
}

.pangeus-contact-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--navy-body-text);
    letter-spacing: 0.02em;
}

.pangeus-contact-form input,
.pangeus-contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--slate-800);
    background: var(--white);
}

.pangeus-contact-form input:focus,
.pangeus-contact-form textarea:focus {
    outline: 2px solid var(--teal-400);
    outline-offset: 1px;
}

.pangeus-contact-form textarea {
    resize: vertical;
}

.pangeus-contact-form .honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.pangeus-contact-form [type="submit"] {
    margin-top: 0.5rem;
}

.pangeus-contact-form [type="submit"][disabled] {
    opacity: 0.6;
    cursor: default;
}

/* Doubled class so these beat `.contact p, .cta-navy p`, which is more
   specific than a single class and would otherwise swallow the state colour. */
p.form-status {
    margin-top: 1.25rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--navy-body-text);
}

.form-status.form-status-ok {
    color: var(--teal-400);
}

.form-status.form-status-error {
    color: #FF9B95; /* danger, lightened for legibility on navy */
}

/* Credentials panel on navy */
.credentials {
    background: var(--navy-900);
    padding: 2.5rem;
    height: fit-content;
    position: sticky;
    top: 110px;
    color: var(--white);
    border-radius: 4px;
}

.credentials h3 {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.credentials-list {
    list-style: none;
}

.credentials-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--navy-body-text);
    font-size: 0.95rem;
}

.credentials-list li:last-child {
    border-bottom: none;
}

/* About grid */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 6rem;
    margin-bottom: 4rem;
}

.about-main h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.client-section {
    padding: 4rem 0 0;
    border-top: 1px solid var(--border);
}

.client-logos {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    align-items: center;
}

.client-logos span {
    padding: 1rem 2rem;
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--slate-500);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--navy-900);
    color: var(--white);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-wordmark {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
}

.footer-copy {
    color: var(--navy-body-text);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--navy-body-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    cursor: pointer;
}

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

/* Mobile */
.mobile-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy-900);
    margin: 5px 0;
    transition: all 0.3s ease;
}

@media (max-width: 1080px) {
    .nav-links {
        position: fixed;
        top: 81px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-menu {
        display: block;
    }

    .button-group {
        flex-direction: column;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .credentials {
        position: static;
    }

    .articles-grid,
    .featured-articles-grid {
        grid-template-columns: 1fr;
    }
}