/* assets/css/style.css — Raptio Official Site (WordPress-like Redesign) */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Roboto+Mono:wght@400&display=swap');

:root {
    --bg:         #ffffff;
    --bg-2:       #f6f7f7;
    --bg-3:       #f0f0f1;
    --bg-card:    #ffffff;
    --blue:       #0073aa;      /* WordPress Blue */
    --blue-dark:  #005177;
    --navy:       #1d2327;      /* WordPress Header/Footer Dark */
    --blue-glow:  #e5f5fa;
    --text:       #1d2327;
    --text-muted: #3c434a;
    --text-dim:   #50575e;
    --border:     #dcdcde;
    --border-2:   #c3c4c7;
    --accent-r:   #d63638;
    --green:      #00a32a;
    --font-head: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-mono: 'Roboto Mono', Consolas, Monaco, monospace;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

/* ─── HEADER ──────────────────────────────── */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--navy);
    border-bottom: none;
    padding: 16px 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.header-logo img { height: 34px; display: block; }

.header-logo .logo-text {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.15rem;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.header-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    background: rgba(255,255,255,0.1);
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 2px 7px;
    border-radius: 3px;
    letter-spacing: 0.04em;
    margin-left: 6px;
    vertical-align: middle;
}

/* ─── NAV ──────────────────────────────────── */
nav-inline {
    display: flex;
    align-items: center;
    gap: 4px;
}

header nav {
    display: flex;
    align-items: center;
    gap: 2px;
    background: none;
    padding: 0;
}

header nav ul {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    padding: 0;
    margin: 0;
}

header nav a {
    color: #f0f0f1;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 3px;
    transition: color 0.2s, background 0.2s;
}

header nav a:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.1);
}

.nav-github {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #f0f0f1 !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
    padding: 7px 14px !important;
    border-radius: 3px !important;
    font-size: 0.85rem !important;
    transition: all 0.2s !important;
}

.nav-github:hover {
    color: #ffffff !important;
    border-color: #ffffff !important;
    background: rgba(255,255,255,0.1) !important;
}

/* ─── HERO ─────────────────────────────────── */
.hero {
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--blue);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 24px;
    border: 1px solid var(--blue);
    padding: 5px 12px;
    border-radius: 3px;
    background: var(--blue-glow);
    font-weight: 700;
}

.hero h1 {
    font-family: var(--font-head);
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 24px;
}

.hero h1 em {
    font-style: normal;
    color: var(--blue);
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.75;
    margin-bottom: 36px;
    font-weight: 400;
}

.hero-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 18px;
}

.hero-meta span { color: var(--text); font-weight: 500; }

.cta-group { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue);
    color: #fff;
    padding: 12px 24px;
    border-radius: 3px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--blue-dark);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--blue);
    padding: 12px 24px;
    border-radius: 3px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--blue);
    transition: all 0.2s;
}

.btn-secondary:hover {
    color: var(--blue-dark);
    border-color: var(--blue-dark);
    background: var(--blue-glow);
}

/* ─── CODE BLOCK ───────────────────────────── */
.hero-code {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text);
    margin-top: 40px;
    max-width: 520px;
    line-height: 1.9;
}

.hero-code .cmd { color: var(--blue); font-weight: 700; }
.hero-code .comment { color: var(--text-dim); font-style: italic; }
.hero-code .bar { 
    display: flex; align-items: center; gap: 6px;
    margin-bottom: 14px;
}
.hero-code .dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--border-2);
}

/* ─── SECTION COMMON ───────────────────────── */
.section { padding: 80px 0; }
.section-head {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 48px;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    font-weight: 700;
}

.section-title {
    font-family: var(--font-head);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.section-divider {
    height: 1px;
    background: var(--border);
    margin: 0 0 80px;
}

/* ─── FEATURES GRID ────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    padding: 32px 28px;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover { 
    box-shadow: 0 4px 14px rgba(0,0,0,0.06); 
    transform: translateY(-2px);
}

.feature-icon {
    width: 40px; height: 40px;
    border-radius: 4px;
    background: var(--blue-glow);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--blue);
}

.feature-card h3 {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ─── STATS ROW ────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 60px 0;
}

.stat-item {
    background: var(--bg-card);
    padding: 28px 24px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.stat-num {
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ─── REQUIREMENTS TABLE ───────────────────── */
.req-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.req-table th {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 16px 20px;
    border-bottom: 2px solid var(--border);
}

.req-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

.req-table tr:hover td { background: var(--bg-2); }
.req-table td:first-child { color: var(--text); font-weight: 600; }

.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 3px;
}

.badge-blue { background: var(--blue-glow); color: var(--blue-dark); border: 1px solid var(--blue); }
.badge-dim   { background: var(--bg-3); color: var(--text-dim); border: 1px solid var(--border-2); }

/* ─── ROADMAP ──────────────────────────────── */
.roadmap-list { list-style: none; }
.roadmap-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.roadmap-item:last-child { border-bottom: none; }

.roadmap-check {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--border-2);
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem;
}

.roadmap-check.done {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
}

.roadmap-item.done-item { color: var(--text-muted); text-decoration: line-through; }
.roadmap-item:not(.done-item) { color: var(--text); font-weight: 500; }

/* ─── PAGE HEADER ─────────────────────────── */
.page-header {
    padding: 64px 0 40px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 60px;
}

.page-header h1 {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.page-header .page-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* ─── PROSE ────────────────────────────────── */
.prose { max-width: 720px; }
.prose h2 {
    font-family: var(--font-head);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    margin: 48px 0 16px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.prose h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.prose p { color: var(--text-muted); font-size: 1rem; margin-bottom: 20px; line-height: 1.8; }
.prose ul { padding-left: 0; list-style: none; margin-bottom: 20px; }
.prose ul li {
    color: var(--text-muted);
    font-size: 1rem;
    padding: 6px 0 6px 24px;
    position: relative;
}
.prose ul li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--blue);
    font-weight: bold;
}

/* ─── ABOUT PAGE ───────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.value-list { list-style: none; margin-top: 24px; }
.value-item {
    display: flex;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.value-item:last-child { border-bottom: none; }

.value-icon {
    width: 36px; height: 36px;
    border-radius: 4px;
    background: var(--blue-glow);
    border: 1px solid var(--border);
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
}

.value-item h4 {
    font-family: var(--font-head);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.value-item p { font-size: 0.95rem; color: var(--text-muted); margin: 0; }

/* ─── DOCS PAGE ────────────────────────────── */
.docs-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 60px;
    align-items: start;
}

.docs-sidebar {
    position: sticky;
    top: 80px;
    border-right: 1px solid var(--border);
    padding-right: 20px;
    height: calc(100vh - 100px);
    overflow-y: auto;
}

.docs-nav-label {
    font-family: var(--font-head);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    margin-top: 28px;
}

.docs-nav-label:first-child { margin-top: 0; }

.docs-nav a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 0 6px 12px;
    border-left: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

.docs-nav a:hover, .docs-nav a.active {
    color: var(--blue);
    border-left-color: var(--blue);
    font-weight: 500;
}

.docs-content h2 {
    font-family: var(--font-head);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    margin: 48px 0 20px;
}

.docs-content h3 {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin: 32px 0 16px;
}

.docs-content p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.docs-content ol {
    padding-left: 24px;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 20px;
}

pre {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text);
    overflow-x: auto;
    line-height: 1.7;
    margin: 20px 0 28px;
}

pre .blue { color: var(--blue); font-weight: 700; }
pre .dim   { color: var(--text-dim); }

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--bg-2);
    color: var(--text);
    padding: 3px 6px;
    border-radius: 3px;
    border: 1px solid var(--border);
}

/* ─── FOOTER ───────────────────────────────── */
footer {
    background: var(--navy);
    padding: 60px 0;
    margin-top: 80px;
    color: #f0f0f1;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.footer-brand img { height: 24px; opacity: 0.8; }
.footer-brand span {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    color: #c3c4c7;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover { color: #ffffff; }

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #8c8f94;
}

/* ─── RESPONSIVE ───────────────────────────── */
@media (max-width: 768px) {
    .container { padding: 0 24px; }
    header .container { padding: 0 24px; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .docs-layout { grid-template-columns: 1fr; }
    .docs-sidebar { display: none; }
    .hero h1 { font-size: 2.2rem; }
    nav ul { gap: 0; }
    header nav a { padding: 6px 10px; font-size: 0.8rem; }
    .footer-inner { flex-direction: column; align-items: flex-start; }
}