/* =========================================================================
   wwwroot.co — umbrella / studio site
   Single framework-free stylesheet. Prefix: wr-
   Dark-first "aurora studio" theme; adapts to light via prefers-color-scheme.
   ========================================================================= */

:root {
    /* Dark is the committed base look */
    --wr-bg: #0b0912;
    --wr-bg-alt: #100c1c;
    --wr-card-bg: rgba(255, 255, 255, 0.045);
    --wr-card-bg-hover: rgba(255, 255, 255, 0.07);
    --wr-border: rgba(255, 255, 255, 0.10);
    --wr-border-strong: rgba(255, 255, 255, 0.18);
    --wr-text: #f5f2fb;
    --wr-text-secondary: #b4a8cf;
    --wr-text-tertiary: #8a7fa6;

    /* Aurora accent stops (shared with the app icons) */
    --wr-cyan: #38bdf8;
    --wr-violet: #8b5cf6;
    --wr-pink: #e4007c;
    --wr-amber: #ffb703;

    --wr-aurora: linear-gradient(100deg, var(--wr-cyan) 0%, var(--wr-violet) 42%, var(--wr-pink) 74%, var(--wr-amber) 100%);

    --wr-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
    --wr-shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.35);
    --wr-radius: 22px;
    --wr-radius-sm: 14px;
    --wr-maxw: 1140px;

    --wr-glow-opacity: 0.55;
    --wr-hairline: rgba(255, 255, 255, 0.06);
    color-scheme: dark;
}

@media (prefers-color-scheme: light) {
    :root {
        --wr-bg: #f6f5fb;
        --wr-bg-alt: #ffffff;
        --wr-card-bg: #ffffff;
        --wr-card-bg-hover: #ffffff;
        --wr-border: rgba(30, 12, 45, 0.10);
        --wr-border-strong: rgba(30, 12, 45, 0.18);
        --wr-text: #1a1425;
        --wr-text-secondary: #5b5470;
        --wr-text-tertiary: #877f9c;
        --wr-shadow: 0 30px 70px rgba(50, 20, 70, 0.14);
        --wr-shadow-soft: 0 12px 34px rgba(50, 20, 70, 0.08);
        --wr-glow-opacity: 0.32;
        --wr-hairline: rgba(20, 10, 35, 0.05);
        color-scheme: light;
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--wr-bg);
    color: var(--wr-text);
    -webkit-font-smoothing: antialiased;
    line-height: 1.55;
    overflow-x: hidden;
}

a, a:link, a:visited {
    color: inherit;
    text-decoration: none;
}

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

h1, h2, h3 {
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

p {
    margin: 0;
}

code {
    font-family: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.88em;
    background: var(--wr-bg-alt);
    border: 1px solid var(--wr-border);
    border-radius: 6px;
    padding: 1px 6px;
}

/* ---- Utility ---------------------------------------------------------- */

.wr-shell {
    max-width: var(--wr-maxw);
    margin: 0 auto;
    padding: 0 24px;
}

.wr-gradient-text {
    background: var(--wr-aurora);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.wr-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--wr-text-tertiary);
    margin-bottom: 16px;
}

.wr-skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--wr-violet);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 0 0 10px 0;
    z-index: 100;
    font-weight: 700;
}

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

/* Soft blurred aurora glow blobs */
.wr-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(150px);
    opacity: var(--wr-glow-opacity);
}

.wr-glow-violet { background: radial-gradient(circle, var(--wr-violet), transparent 60%); }
.wr-glow-pink   { background: radial-gradient(circle, var(--wr-pink), transparent 60%); }
.wr-glow-cyan   { background: radial-gradient(circle, var(--wr-cyan), transparent 60%); }

/* ---- Nav -------------------------------------------------------------- */

.wr-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--wr-bg) 68%, transparent);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--wr-border);
}

.wr-nav-inner {
    max-width: var(--wr-maxw);
    margin: 0 auto;
    padding: 13px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wr-brand {
    display: flex;
    align-items: center;
    gap: 11px;
    font-weight: 700;
    font-size: 1.12rem;
    letter-spacing: -0.02em;
}

.wr-brand-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
}

.wr-brand .wr-brand-tld { color: var(--wr-text-tertiary); }

.wr-nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.wr-nav-links a, .wr-nav-links a:link, .wr-nav-links a:visited {
    color: var(--wr-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

.wr-nav-links a:hover { color: var(--wr-text); }

.wr-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

.wr-nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--wr-text);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---- Buttons ---------------------------------------------------------- */

.wr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.wr-btn-primary, .wr-btn-primary:link, .wr-btn-primary:visited {
    color: #ffffff;
    background: var(--wr-aurora);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.35);
}

.wr-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(228, 0, 124, 0.4);
}

.wr-btn-secondary, .wr-btn-secondary:link, .wr-btn-secondary:visited {
    color: var(--wr-text);
    background: var(--wr-card-bg);
    border-color: var(--wr-border-strong);
}

.wr-btn-secondary:hover {
    transform: translateY(-2px);
    border-color: var(--wr-text-tertiary);
    background: var(--wr-card-bg-hover);
}

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

.wr-hero {
    position: relative;
    overflow: hidden;
    padding: 92px 0 76px;
    text-align: center;
}

.wr-hero .wr-glow-violet { width: 620px; height: 620px; top: -280px; left: 50%; transform: translateX(-50%); }
.wr-hero .wr-glow-pink   { width: 460px; height: 460px; top: 60px; right: -160px; }
.wr-hero .wr-glow-cyan   { width: 420px; height: 420px; top: 120px; left: -180px; }

.wr-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
}

.wr-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border-radius: 999px;
    border: 1px solid var(--wr-border);
    background: var(--wr-card-bg);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--wr-text-secondary);
    margin-bottom: 26px;
}

.wr-hero-badge .wr-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--wr-aurora);
}

.wr-hero h1 {
    font-size: clamp(2.5rem, 6.2vw, 4.4rem);
    font-weight: 750;
    margin-bottom: 22px;
}

.wr-hero-sub {
    font-size: clamp(1.05rem, 2.2vw, 1.32rem);
    color: var(--wr-text-secondary);
    max-width: 620px;
    margin: 0 auto 36px;
}

.wr-hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Floating icon cluster under the hero */
.wr-hero-icons {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 58px;
    flex-wrap: wrap;
}

.wr-hero-icons img {
    width: 62px;
    height: 62px;
    border-radius: 16px;
    box-shadow: var(--wr-shadow-soft);
    border: 1px solid var(--wr-hairline);
    transition: transform 0.2s ease;
}

.wr-hero-icons img:hover { transform: translateY(-6px); }

/* ---- Section scaffolding --------------------------------------------- */

.wr-section {
    position: relative;
    padding: 78px 0;
}

.wr-section-head {
    max-width: 640px;
    margin: 0 auto 52px;
    text-align: center;
}

.wr-section-head h2 {
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    font-weight: 720;
    margin-bottom: 16px;
}

.wr-section-head p {
    font-size: 1.1rem;
    color: var(--wr-text-secondary);
}

/* ---- Apps grid -------------------------------------------------------- */

.wr-apps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.wr-app-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 26px 24px 22px;
    border-radius: var(--wr-radius);
    background: var(--wr-card-bg);
    border: 1px solid var(--wr-border);
    box-shadow: var(--wr-shadow-soft);
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

/* Per-app accent (drives ::before wash, tags, and link color). CSP forbids
   inline style, so each app sets its accent through a modifier class. */
.wr-app--hokaku    { --accent: #e81f78; }
.wr-app--dittobot  { --accent: #8b5cf6; }
.wr-app--repnaut   { --accent: #2a6bdb; }
.wr-app--vocabird  { --accent: #e4007c; }
.wr-app--wwwroot   { --accent: #0ea5e9; }
.wr-app--wwwrootios { --accent: #14b8a6; }

.wr-value--cyan   .wr-value-ic { background: color-mix(in srgb, var(--wr-cyan) 18%, transparent); }
.wr-value--cyan   .wr-value-ic svg { stroke: var(--wr-cyan); }
.wr-value--pink   .wr-value-ic { background: color-mix(in srgb, var(--wr-pink) 18%, transparent); }
.wr-value--pink   .wr-value-ic svg { stroke: var(--wr-pink); }
.wr-value--amber  .wr-value-ic { background: color-mix(in srgb, var(--wr-amber) 20%, transparent); }
.wr-value--amber  .wr-value-ic svg { stroke: var(--wr-amber); }

/* Accent wash bleeding from the top edge, tinted per app via --accent */
.wr-app-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 120px;
    background: radial-gradient(120% 90% at 20% 0%, var(--accent, var(--wr-violet)), transparent 70%);
    opacity: 0.16;
    pointer-events: none;
}

a.wr-app-card:hover {
    transform: translateY(-5px);
    border-color: var(--wr-border-strong);
    background: var(--wr-card-bg-hover);
}

.wr-app-top {
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
    z-index: 1;
    margin-bottom: 18px;
}

.wr-app-icon {
    width: 54px;
    height: 54px;
    border-radius: 13px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
    border: 1px solid var(--wr-hairline);
    flex-shrink: 0;
}

.wr-app-titles { min-width: 0; }

.wr-app-name {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 9px;
}

.wr-platform {
    font-size: 0.8rem;
    color: var(--wr-text-tertiary);
    font-weight: 500;
    margin-top: 2px;
}

.wr-app-desc {
    position: relative;
    z-index: 1;
    color: var(--wr-text-secondary);
    font-size: 0.96rem;
    flex-grow: 1;
    margin-bottom: 18px;
}

.wr-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.wr-tag {
    font-size: 0.74rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent, var(--wr-violet)) 16%, transparent);
    color: color-mix(in srgb, var(--accent, var(--wr-violet)) 78%, var(--wr-text));
    border: 1px solid color-mix(in srgb, var(--accent, var(--wr-violet)) 30%, transparent);
}

.wr-app-foot {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.92rem;
    font-weight: 600;
}

.wr-link-arrow {
    color: color-mix(in srgb, var(--accent, var(--wr-violet)) 72%, var(--wr-text));
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.15s ease;
}

a.wr-app-card:hover .wr-link-arrow { gap: 11px; }

.wr-soon {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--wr-text-tertiary);
    border: 1px solid var(--wr-border);
    border-radius: 999px;
    padding: 4px 11px;
}

/* ---- Principles / values --------------------------------------------- */

.wr-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.wr-value {
    padding: 30px 26px;
    border-radius: var(--wr-radius);
    background: var(--wr-card-bg);
    border: 1px solid var(--wr-border);
}

.wr-value-ic {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    background: color-mix(in srgb, var(--wr-violet) 18%, transparent);
    border: 1px solid var(--wr-border);
}

.wr-value-ic svg { width: 24px; height: 24px; stroke: var(--wr-violet); fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

.wr-value h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.wr-value p {
    color: var(--wr-text-secondary);
    font-size: 0.96rem;
}

/* ---- Platforms strip -------------------------------------------------- */

.wr-platforms {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.wr-plat {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    border-radius: 999px;
    background: var(--wr-card-bg);
    border: 1px solid var(--wr-border);
    font-weight: 600;
    color: var(--wr-text-secondary);
}

.wr-plat svg { width: 20px; height: 20px; fill: var(--wr-text-secondary); }

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

.wr-cta {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 72px 32px;
    border-radius: 30px;
    background: var(--wr-bg-alt);
    border: 1px solid var(--wr-border);
}

.wr-cta .wr-glow-violet { width: 480px; height: 480px; top: -220px; left: 30%; }
.wr-cta .wr-glow-pink   { width: 420px; height: 420px; bottom: -260px; right: 10%; }

.wr-cta-inner { position: relative; z-index: 1; }

.wr-cta h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 720;
    margin-bottom: 14px;
}

.wr-cta p {
    color: var(--wr-text-secondary);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 30px;
}

/* ---- Content pages (privacy / support) -------------------------------- */

.wr-page {
    position: relative;
    overflow: hidden;
    padding: 72px 0 40px;
}

.wr-page .wr-glow-violet { width: 480px; height: 480px; top: -260px; right: -140px; }

.wr-page-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
}

.wr-page h1 {
    font-size: clamp(2.1rem, 5vw, 3rem);
    font-weight: 740;
    margin-bottom: 12px;
}

.wr-page-lead {
    color: var(--wr-text-secondary);
    font-size: 1.12rem;
    margin-bottom: 8px;
}

.wr-updated {
    color: var(--wr-text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.wr-prose h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 40px 0 14px;
}

.wr-prose p {
    color: var(--wr-text-secondary);
    margin-bottom: 16px;
}

.wr-prose ul {
    color: var(--wr-text-secondary);
    padding-left: 22px;
    margin: 0 0 16px;
}

.wr-prose li { margin-bottom: 9px; }

.wr-prose a, .wr-prose a:link, .wr-prose a:visited {
    color: color-mix(in srgb, var(--wr-violet) 80%, var(--wr-text));
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.wr-prose a:hover { color: var(--wr-pink); }

/* FAQ / support */
.wr-faq {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 8px;
}

.wr-faq-item {
    padding: 22px 24px;
    border-radius: var(--wr-radius-sm);
    background: var(--wr-card-bg);
    border: 1px solid var(--wr-border);
}

.wr-faq-item h3 {
    font-size: 1.06rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.wr-faq-item p { color: var(--wr-text-secondary); font-size: 0.97rem; }

.wr-faq-item a, .wr-faq-item a:link, .wr-faq-item a:visited {
    color: color-mix(in srgb, var(--wr-violet) 80%, var(--wr-text));
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.wr-faq-item a:hover { color: var(--wr-pink); }

.wr-contact-card {
    margin-top: 30px;
    padding: 30px;
    border-radius: var(--wr-radius);
    background: var(--wr-card-bg);
    border: 1px solid var(--wr-border);
    text-align: center;
}

.wr-contact-card p { color: var(--wr-text-secondary); margin-bottom: 18px; }

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

.wr-footer {
    border-top: 1px solid var(--wr-border);
    background: var(--wr-bg-alt);
    padding: 40px 0;
    margin-top: 20px;
}

.wr-footer-inner {
    max-width: var(--wr-maxw);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.wr-footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.wr-footer-brand img { width: 26px; height: 26px; border-radius: 7px; }

.wr-footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.wr-footer-links a, .wr-footer-links a:link, .wr-footer-links a:visited {
    color: var(--wr-text-secondary);
    font-size: 0.92rem;
    transition: color 0.15s ease;
}

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

.wr-footer-copy {
    width: 100%;
    color: var(--wr-text-tertiary);
    font-size: 0.85rem;
    border-top: 1px solid var(--wr-hairline);
    padding-top: 20px;
    margin-top: 4px;
}

/* ---- Error page ------------------------------------------------------- */

.wr-error {
    text-align: center;
    padding: 120px 24px;
    position: relative;
    overflow: hidden;
}

.wr-error .wr-glow-violet { width: 440px; height: 440px; top: -180px; left: 50%; transform: translateX(-50%); }

.wr-error-inner { position: relative; z-index: 1; }

.wr-error h1 { font-size: clamp(3rem, 10vw, 6rem); font-weight: 780; margin-bottom: 8px; }

.wr-error p { color: var(--wr-text-secondary); font-size: 1.15rem; margin-bottom: 30px; }

/* ---- Responsive ------------------------------------------------------- */

@media (max-width: 900px) {
    .wr-apps { grid-template-columns: repeat(2, 1fr); }
    .wr-values { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .wr-nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: color-mix(in srgb, var(--wr-bg) 96%, transparent);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        border-bottom: 1px solid var(--wr-border);
        padding: 8px 0;
    }

    .wr-nav-links.wr-open { display: flex; }

    .wr-nav-links a {
        padding: 14px 24px;
        width: 100%;
    }

    .wr-nav-toggle { display: flex; }

    .wr-apps { grid-template-columns: 1fr; }

    .wr-hero { padding: 64px 0 56px; }

    .wr-section { padding: 60px 0; }
}