/* ==========================================================================
   Piquno — shared stylesheet
   Cached 24h at the edge (see /site/_headers). Because the filename isn't
   content-hashed, a returning visitor may see the old CSS for up to a day
   after you ship changes. If you need an instant visual update, rename the
   file (styles.v2.css, etc.) and update the <link rel="stylesheet"> hrefs.
   ========================================================================== */

:root {
    --snow: #f7f8fa;
    --ink: #1a1d23;
    --slate: #4a4e57;
    --mist: #8b919d;
    --ice: #c5d0e0;
    --accent: #2e6fb5;
    --accent-light: #e8f0fb;
    --warm: #d4541e;
    --surface: #ffffff;
    --border: rgba(0, 0, 0, 0.06);
    /* "Brand" tokens that DON'T flip between light and dark mode. Used by
       hero-dark elements (header, newsletter CTA, skip-link) that should stay
       dark even in a dark-mode viewport so the page still has clear visual
       hierarchy. */
    --brand-dark: #1a1d23;
    --brand-light: #f7f8fa;
}

@media (prefers-color-scheme: dark) {
    :root {
        --snow: #0f1216;
        --ink: #e9edf3;
        --slate: #b6bdc8;
        --mist: #7a8290;
        --ice: #c5d0e0;
        --accent: #6aa2db;
        --accent-light: #182637;
        --warm: #e27446;
        --surface: #181c22;
        --border: rgba(255, 255, 255, 0.08);
        /* Brand tokens intentionally NOT overridden here. */
    }
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Source Sans 3', system-ui, -apple-system, sans-serif;
    background: var(--snow);
    color: var(--ink);
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
}

/* Skip link for keyboard/AT users */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--brand-dark);
    color: var(--brand-light);
    padding: 0.5rem 1rem;
    z-index: 1000;
    text-decoration: none;
}
.skip-link:focus { top: 0; }

/* --- HEADER --- */
header {
    background: var(--brand-dark);
    color: var(--brand-light);
    position: relative;
    overflow: hidden;
}

.header-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(46, 111, 181, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 84, 30, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.header-inner {
    position: relative;
    max-width: 780px;
    margin: 0 auto;
    padding: 4rem 1.5rem 3.5rem;
}

.site-tag {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ice);
    margin-bottom: 1rem;
    font-weight: 500;
}

h1 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-weight: 400;
    line-height: 1.15;
}

header h1 {
    font-size: clamp(2.4rem, 6vw, 3.6rem);
    margin-bottom: 0.75rem;
}

h1 .jp {
    display: block;
    font-size: 0.45em;
    color: var(--ice);
    margin-top: 0.3rem;
    letter-spacing: 0.08em;
}

.header-desc {
    color: var(--ice);
    font-size: 1.05rem;
    max-width: 500px;
    font-weight: 300;
}

/* --- NAV --- */
nav {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
    max-width: 780px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

nav a {
    color: var(--slate);
    text-decoration: none;
    transition: color 0.2s;
}

nav a:hover,
nav a:focus-visible,
nav a.active { color: var(--accent); }

/* --- MAIN --- */
main {
    max-width: 780px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.section-label {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mist);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* --- POST CARDS --- */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.post-card {
    display: block;
    padding: 1.8rem 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
}

.post-card:first-child { padding-top: 0; }
.post-card:hover,
.post-card:focus-visible {
    background: rgba(46, 111, 181, 0.04);
    outline: none;
}

.post-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.post-date {
    font-size: 0.78rem;
    color: var(--mist);
    font-weight: 500;
}

.post-tag {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 0.15rem 0.55rem;
    border-radius: 2px;
    background: var(--accent-light);
    color: var(--accent);
}

.post-tag.snow-report { background: #e6f4ea; color: #1a7c38; }
.post-tag.gear        { background: #fef3e8; color: #b5651d; }
.post-tag.travel      { background: #f0e8fb; color: #5b3a8f; }
.post-tag.culture     { background: #fce8ee; color: #a52853; }
.post-tag.planning    { background: #e8f5fb; color: #1c6b8c; }
.post-tag.resort-guide { background: #fff4e0; color: #8a6412; }

@media (prefers-color-scheme: dark) {
    .post-tag.snow-report { background: #14291a; color: #6cc289; }
    .post-tag.gear        { background: #2e200f; color: #e0a670; }
    .post-tag.travel      { background: #201732; color: #b694e4; }
    .post-tag.culture     { background: #2e1620; color: #e48aa9; }
    .post-tag.planning    { background: #132430; color: #74bfe0; }
    .post-tag.resort-guide { background: #2e2410; color: #e3c276; }
}

.post-title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.4rem;
    line-height: 1.3;
    margin-bottom: 0.4rem;
    font-weight: 400;
    color: var(--ink);
}

.post-excerpt {
    color: var(--slate);
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.65;
}

/* --- SIDEBAR / CALLOUT SECTION --- */
.sidebar-section {
    margin-top: 3.5rem;
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.sidebar-section h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--ink);
}

.sidebar-section p {
    color: var(--slate);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.7;
}

.resort-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.resort-links a {
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
    background: var(--accent-light);
    color: var(--accent);
    text-decoration: none;
    border-radius: 3px;
    font-weight: 500;
    transition: all 0.2s;
}

.resort-links a:hover,
.resort-links a:focus-visible {
    background: var(--accent);
    color: white;
    outline: none;
}

/* --- NEWSLETTER --- */
.newsletter-box {
    margin-top: 3.5rem;
    padding: 2rem;
    background: var(--brand-dark);
    color: var(--brand-light);
    border-radius: 6px;
}

.newsletter-box h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.newsletter-box p {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--ice);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.newsletter-box .nl-status {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--ice);
    min-height: 1.2em;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.6rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 0.88rem;
    font-family: inherit;
    outline: none;
}

.newsletter-form input[type="email"]::placeholder { color: rgba(255, 255, 255, 0.55); }

.newsletter-form input[type="email"]:focus { border-color: var(--accent); }

.newsletter-form button {
    padding: 0.6rem 1.2rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.newsletter-form button:hover,
.newsletter-form button:focus-visible {
    background: #245a96;
    outline: none;
}

@media (max-width: 480px) {
    .newsletter-form { flex-direction: column; }
}

/* --- POST PAGE --- */
.post-page {
    max-width: 680px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.post-page h1 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.breadcrumb {
    font-size: 0.8rem;
    color: var(--mist);
    margin-bottom: 1.25rem;
    /* Let long items wrap rather than overflow horizontally */
    word-break: break-word;
}

.breadcrumb a {
    color: var(--mist);
    text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible { color: var(--accent); outline: none; }

.breadcrumb .sep { margin: 0 0.4rem; opacity: 0.6; }

/* On narrow screens, truncate the current-page label so the breadcrumb doesn't
   consume multiple lines when titles are long. */
.breadcrumb .current {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: bottom;
}
@media (max-width: 520px) {
    .breadcrumb .current { max-width: 180px; }
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 0.85rem;
    color: var(--mist);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover,
.back-link:focus-visible { color: var(--accent); outline: none; }

.post-page .post-meta { margin-bottom: 1rem; }

.post-body {
    font-size: 1.05rem;
    font-weight: 300;
}

.post-body p { margin-bottom: 1.2rem; }

.post-body h2,
.post-body h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-weight: 400;
    color: var(--ink);
}

.post-body h2 { font-size: 1.3rem; margin: 2rem 0 0.75rem; }
.post-body h3 { font-size: 1.1rem; margin: 1.5rem 0 0.6rem; }

.post-body a { color: var(--accent); }

.post-body ul,
.post-body ol { margin: 0 0 1.2rem 1.5rem; }

.post-body li { margin-bottom: 0.4rem; }

.hero-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    border-radius: 6px;
    margin: 1.5rem 0;
    background: var(--border);  /* placeholder color while loading */
}

.hero-credit {
    font-size: 0.72rem;
    color: var(--mist);
    margin: -1rem 0 1.5rem;
}

.hero-credit a {
    color: var(--mist);
    text-decoration: underline;
}

/* --- Read next --- */
.read-next {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.read-next h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-weight: 400;
    font-size: 1.15rem;
    margin-bottom: 1rem;
    color: var(--ink);
}

.read-next .post-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.read-next .post-card {
    padding: 1.2rem 0;
}

.read-next .post-card h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.1rem;
    line-height: 1.3;
    margin-bottom: 0.35rem;
    font-weight: 400;
    color: var(--ink);
}

/* --- TAG PAGE --- */
.tag-page {
    max-width: 780px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

.page-title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.page-desc {
    color: var(--slate);
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

/* --- ABOUT PAGE --- */
.about-page {
    max-width: 620px;
    margin: 0 auto;
    padding: 3.5rem 1.5rem 5rem;
}

.about-page h1 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    margin-bottom: 0.5rem;
}

.about-page .subtitle {
    color: var(--mist);
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 2.5rem;
}

.about-page h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 400;
    margin: 2.5rem 0 0.75rem;
    color: var(--ink);
}

.about-page p {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--slate);
    margin-bottom: 1.2rem;
    line-height: 1.75;
}

.about-page a { color: var(--accent); }

/* --- EMPTY STATE --- */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--mist);
}

.empty-state .mountain {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state p {
    font-size: 1rem;
    font-weight: 300;
}

/* --- 404 --- */
.error-page {
    max-width: 520px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
    text-align: center;
}

.error-page .code {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(4rem, 15vw, 7rem);
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.error-page h1 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-weight: 400;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.error-page p {
    color: var(--slate);
    font-weight: 300;
    margin-bottom: 2rem;
}

.error-page .btn {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9rem;
}

.error-page .btn:hover,
.error-page .btn:focus-visible {
    background: #245a96;
    outline: none;
}

/* --- FOOTER --- */
footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--mist);
}

footer a { color: var(--slate); }

/* --- RESPONSIVE --- */
@media (max-width: 600px) {
    .header-inner { padding: 3rem 1.25rem 2.5rem; }
    nav ul { gap: 1.2rem; font-size: 0.78rem; padding: 0.75rem 1.25rem; }
    main,
    .tag-page { padding: 2rem 1.25rem 4rem; }
    .post-page { padding: 2rem 1.25rem 4rem; }
}

/* --- REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
    html { scroll-behavior: auto; }
}