/* =========================================================
/* =========================================================
   Coredump  site.css
   CSS Grid Layout, responsive, dark tech theme
   ========================================================= */

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

:root {
    --clr-bg:        #0d1117;
    --clr-surface:   #161b22;
    --clr-border:    #30363d;
    --clr-accent:    #58a6ff;
    --clr-accent2:   #bc8cff;
    --clr-text:      #e6edf3;
    --clr-muted:     #8b949e;
    --clr-hero-from: #0d1117;
    --clr-hero-to:   #161b22;

    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

    --radius: 8px;
    --transition: 200ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.65;
    min-height: 100vh;

    display: grid;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 1fr;
}

a {
    color: var(--clr-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    display: block;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    background: var(--clr-accent);
    color: #0d1117;
    padding: .75em 1.5em;
    font-weight: 700;
    font-size: .95rem;
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 200;
}

.skip-link:focus {
    position: fixed;
    left: 1rem;
    top: 0;
    width: auto;
    height: auto;
    text-decoration: none;
}

:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 2px;
}

.container {
    width: min(1100px, 100% - 2rem);
    margin-inline: auto;
}

.badge {
    display: inline-block;
    font-size: .75rem;
    font-family: var(--font-mono);
    background: #21262d;
    border: 1px solid var(--clr-border);
    border-radius: 2em;
    padding: .2em .75em;
    color: var(--clr-accent);
    letter-spacing: .04em;
}

.site-header {
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    padding-block: .85rem;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--clr-text);
    display: flex;
    align-items: center;
    gap: .4rem;
}

.logo span.prompt {
    color: var(--clr-accent);
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--clr-muted);
    font-size: .9rem;
    transition: color var(--transition);
}

.site-nav a:hover {
    color: var(--clr-text);
    text-decoration: none;
}

.lang-switch {
    font-size: .85rem;
    color: var(--clr-muted);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: .3em .75em;
    transition: border-color var(--transition), color var(--transition);
}

.lang-switch:hover {
    border-color: var(--clr-accent);
    color: var(--clr-accent);
    text-decoration: none;
}

.hero {
    background: linear-gradient(160deg, var(--clr-hero-from), var(--clr-hero-to));
    border-bottom: 1px solid var(--clr-border);
    padding-block: 5rem 4rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
}

.hero-eyebrow {
    color: var(--clr-accent);
    font-family: var(--font-mono);
    font-size: .9rem;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.02em;
}

.hero h1 .highlight {
    background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--clr-muted);
    max-width: 56ch;
    margin-inline: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    border-radius: var(--radius);
    padding: .65em 1.5em;
    font-size: .95rem;
    font-weight: 600;
    transition: opacity var(--transition), transform var(--transition);
    cursor: pointer;
}

.btn:hover {
    opacity: .85;
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-primary {
    background: var(--clr-accent);
    color: #0d1117;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--clr-border);
    color: var(--clr-text);
}

.services {
    padding-block: 5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    margin-bottom: .5rem;
}

.section-header p {
    color: var(--clr-muted);
    max-width: 55ch;
    margin-inline: auto;
}

/* 3-column card grid */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 2rem;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 1rem;
    transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
    border-color: var(--clr-accent);
    transform: translateY(-3px);
}

.card-icon {
    font-size: 2.25rem;
    line-height: 1;
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.card p {
    color: var(--clr-muted);
    font-size: .95rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

/* ── ZenFlow section ─────────────────────────────────────── */
.zenflow {
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    padding-block: 5rem;
}

.zenflow .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.zenflow-text h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.zenflow-text p {
    color: var(--clr-muted);
    margin-bottom: 1.25rem;
}

.zenflow-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-box {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

.stat-box .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--clr-accent);
    font-family: var(--font-mono);
}

.stat-box .stat-label {
    font-size: .8rem;
    color: var(--clr-muted);
    margin-top: .25rem;
}

.expert {
    padding-block: 5rem;
}

.expert .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.expert-text h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.expert-text p {
    color: var(--clr-muted);
    margin-bottom: 1rem;
}

.expert-list {
    list-style: none;
    display: grid;
    gap: .75rem;
}

.expert-list li {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: .5rem;
    align-items: start;
    color: var(--clr-muted);
    font-size: .95rem;
}

.expert-list li::before {
    content: '✓';
    color: var(--clr-accent);
    font-weight: 700;
}

.about {
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    padding-block: 5rem;
}

.about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--clr-muted);
    margin-bottom: 1rem;
}

.principles {
    display: grid;
    gap: 1rem;
}

.principle {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-left: 3px solid var(--clr-accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 1rem 1.25rem;
}

.principle h4 {
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: .25rem;
}

.principle p {
    font-size: .875rem;
    color: var(--clr-muted);
    margin: 0;
}

.contact {
    padding-block: 5rem;
    text-align: center;
}

.contact h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact p {
    color: var(--clr-muted);
    max-width: 50ch;
    margin-inline: auto;
    margin-bottom: 2rem;
}

.contact-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.container-narrow {
    max-width: 640px;
}

.form-page {
    padding-block: 4rem;
}

.form-page h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: .75rem;
}

.form-intro {
    color: var(--clr-muted);
    margin-bottom: 2.5rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: .4rem;
}

.form-group label {
    font-size: .9rem;
    font-weight: 600;
    color: var(--clr-text);
}

.form-group input,
.form-group textarea {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: .7em 1em;
    font-family: var(--font-sans);
    font-size: .95rem;
    color: var(--clr-text);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--clr-accent);
    outline: 2px solid var(--clr-accent);
    outline-offset: -1px;
}

.form-group textarea {
    resize: vertical;
    min-height: 8rem;
}

.feedback-box {
    text-align: center;
    padding-block: 2rem;
}

.feedback-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feedback-box h1 {
    margin-bottom: 1rem;
}

.feedback-box p {
    color: var(--clr-muted);
    max-width: 50ch;
    margin-inline: auto;
    margin-bottom: 2rem;
}

/* ── Site footer ─────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--clr-border);
    padding-block: 1.5rem;
}

.site-footer .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-brand {
    font-family: var(--font-mono);
    font-size: .9rem;
    color: var(--clr-text);
}

.footer-brand span {
    color: var(--clr-accent);
}

.footer-tagline {
    font-size: .8rem;
    color: var(--clr-muted);
    padding-inline: 1.5rem;
    border-inline: 1px solid var(--clr-border);
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    font-size: .85rem;
    color: var(--clr-muted);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--clr-text);
    text-decoration: none;
}

@media (max-width: 768px) {
    .site-header .container {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
    }

    .site-nav {
        grid-column: 1 / -1;
        justify-content: flex-start;
        gap: 1rem;
    }

    .zenflow .container,
    .expert .container,
    .about .container {
        grid-template-columns: 1fr;
    }

    .zenflow-visual {
        grid-template-columns: repeat(2, 1fr);
    }

    .site-footer .container {
        flex-direction: column;
        text-align: center;
    }

    .footer-tagline {
        border-inline: none;
        padding-inline: 0;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-block: 3rem 2.5rem;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .zenflow-visual {
        grid-template-columns: 1fr;
    }
}