/* ═══════════════════════════════════════════════════════════════
   COASTAL SINGLE BLOG POST — Premium Design
   ═══════════════════════════════════════════════════════════════ */

/* ─── Single Hero ──────────────────────────────────────────── */
.coastal-single-hero {
    position: relative;
    height: 65vh;
    min-height: 480px;
    display: flex;
    align-items: flex-end;
    padding: 80px 60px;
    overflow: hidden;
}

.coastal-single-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.55);
    transition: transform 8s ease;
}

.coastal-single-hero:hover .coastal-single-hero__bg {
    transform: scale(1.03);
}

.coastal-single-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(4,22,50,0.85) 0%,
        rgba(4,22,50,0.40) 40%,
        rgba(4,22,50,0.20) 100%
    );
}

.coastal-single-hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.coastal-single-hero__meta-top {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    font-family: 'Jost', sans-serif;
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.70);
}

.coastal-single-hero__cat {
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 10px;
    color: var(--gold, #C9A84C);
    background: rgba(201,168,76,0.15);
    padding: 5px 14px;
}

.coastal-single-hero__dot {
    color: rgba(255,255,255,0.30);
}

.coastal-single-hero__title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 300;
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: 20px;
}

.coastal-single-hero__excerpt {
    font-family: 'Jost', sans-serif;
    font-size: 17px;
    font-weight: 300;
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    max-width: 600px;
    margin: 0 auto;
}

/* Scroll indicator */
.coastal-single-hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.coastal-single-hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--gold, #C9A84C), transparent);
    animation: coastalScrollPulse 2s infinite;
}

/* ─── Reading Progress Bar ─────────────────────────────────── */
.coastal-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    z-index: 9999;
}

.coastal-reading-progress__bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--gold, #C9A84C), var(--gold-light, #dfc278));
    transition: width 0.1s linear;
}

/* ─── Post Layout ──────────────────────────────────────────── */
.coastal-single-post {
    background: var(--off-white, #f7f5f1);
    padding: 80px 60px;
}

.coastal-single-post__layout {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 60px;
    align-items: start;
}

/* ─── Sticky Sidebar / TOC ─────────────────────────────────── */
.coastal-single-sidebar {
    position: relative;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.coastal-single-toc {
    background: var(--white, #ffffff);
    padding: 28px 24px;
    border-left: 2px solid var(--gold, #C9A84C);
}

.coastal-single-toc__header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Jost', sans-serif;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--navy, #041632);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light, rgba(57,56,55,0.12));
}

.coastal-single-toc__header svg {
    color: var(--gold, #C9A84C);
}

.coastal-single-toc__nav {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.coastal-toc-link {
    display: block;
    font-family: 'Jost', sans-serif;
    font-size: 13px;
    font-weight: 300;
    color: var(--text-muted, #6b6560);
    text-decoration: none;
    padding: 8px 0 8px 14px;
    border-left: 2px solid transparent;
    transition: all 0.3s;
    line-height: 1.4;
}

.coastal-toc-link:hover {
    color: var(--navy, #041632);
}

.coastal-toc-link.active {
    color: var(--gold, #C9A84C);
    border-left-color: var(--gold, #C9A84C);
    font-weight: 400;
}

.coastal-toc-link--sub {
    font-size: 12px;
    padding-left: 28px;
}

/* ─── Share Card ───────────────────────────────────────────── */
.coastal-single-share {
    background: var(--white, #ffffff);
    padding: 24px;
    text-align: center;
}

.coastal-single-share__label {
    display: block;
    font-family: 'Jost', sans-serif;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted, #6b6560);
    margin-bottom: 16px;
}

.coastal-single-share__icons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.coastal-single-share__icons a,
.coastal-single-share__icons button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-light, rgba(57,56,55,0.12));
    background: transparent;
    color: var(--text-mid, #393837);
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
}

.coastal-single-share__icons a:hover,
.coastal-single-share__icons button:hover {
    border-color: var(--gold, #C9A84C);
    color: var(--gold, #C9A84C);
    background: rgba(201,168,76,0.05);
}

/* ─── Content Card ─────────────────────────────────────────── */
.coastal-single-content__card {
    background: var(--white, #ffffff);
    padding: 60px 56px;
    box-shadow: 0 2px 40px rgba(4,22,50,0.04);
}

/* Typography inside content card */
.coastal-single-content__card h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 32px;
    font-weight: 400;
    color: var(--navy, #041632);
    margin: 48px 0 20px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light, rgba(57,56,55,0.12));
    line-height: 1.25;
}

.coastal-single-content__card h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.coastal-single-content__card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 24px;
    font-weight: 400;
    color: var(--navy, #041632);
    margin: 36px 0 16px;
    line-height: 1.3;
}

.coastal-single-content__card p {
    font-family: 'Jost', sans-serif;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.85;
    color: var(--charcoal, #393837);
    margin-bottom: 20px;
}

.coastal-single-content__card ul,
.coastal-single-content__card ol {
    font-family: 'Jost', sans-serif;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.85;
    color: var(--charcoal, #393837);
    margin: 0 0 24px 24px;
    padding: 0;
}

.coastal-single-content__card li {
    margin-bottom: 8px;
    padding-left: 8px;
}

.coastal-single-content__card li::marker {
    color: var(--gold, #C9A84C);
}

.coastal-single-content__card blockquote {
    margin: 36px 0;
    padding: 28px 32px;
    border-left: 3px solid var(--gold, #C9A84C);
    background: var(--off-white, #f7f5f1);
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    font-weight: 400;
    font-style: italic;
    color: var(--navy, #041632);
    line-height: 1.5;
}

.coastal-single-content__card blockquote p {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    font-style: inherit;
    color: inherit;
    line-height: inherit;
    margin: 0;
}

.coastal-single-content__card img {
    max-width: 100%;
    height: auto;
    margin: 32px 0;
    display: block;
}

.coastal-single-content__card a {
    color: var(--gold, #C9A84C);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s;
}

.coastal-single-content__card a:hover {
    color: var(--navy, #041632);
}

.coastal-single-content__card strong {
    font-weight: 500;
    color: var(--navy, #041632);
}

/* ─── Tags ─────────────────────────────────────────────────── */
.coastal-single-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
}

.coastal-single-tag {
    font-family: 'Jost', sans-serif;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--text-muted, #6b6560);
    background: var(--white, #ffffff);
    border: 1px solid var(--border-light, rgba(57,56,55,0.12));
    padding: 7px 16px;
    text-decoration: none;
    transition: all 0.3s;
}

.coastal-single-tag:hover {
    border-color: var(--gold, #C9A84C);
    color: var(--gold, #C9A84C);
}

/* ─── Author Card ──────────────────────────────────────────── */
.coastal-single-author {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 48px;
    padding: 36px;
    background: var(--white, #ffffff);
    border: 1px solid var(--border-light, rgba(57,56,55,0.12));
}

.coastal-single-author__avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
}

.coastal-single-author__label {
    display: block;
    font-family: 'Jost', sans-serif;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold, #C9A84C);
    margin-bottom: 4px;
}

.coastal-single-author__name {
    display: block;
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    font-weight: 400;
    color: var(--navy, #041632);
    margin-bottom: 6px;
}

.coastal-single-author__bio {
    font-family: 'Jost', sans-serif;
    font-size: 14px;
    font-weight: 300;
    color: var(--text-muted, #6b6560);
    line-height: 1.6;
    margin: 0;
}

/* ─── Post Navigation ──────────────────────────────────────── */
.coastal-single-postnav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 48px;
}

.coastal-single-postnav__item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 28px;
    background: var(--white, #ffffff);
    border: 1px solid var(--border-light, rgba(57,56,55,0.12));
    text-decoration: none;
    transition: border-color 0.3s;
}

.coastal-single-postnav__item:hover {
    border-color: var(--gold, #C9A84C);
}

.coastal-single-postnav__next {
    text-align: right;
}

.coastal-single-postnav__dir {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Jost', sans-serif;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold, #C9A84C);
}

.coastal-single-postnav__next .coastal-single-postnav__dir {
    justify-content: flex-end;
}

.coastal-single-postnav__title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 20px;
    font-weight: 400;
    color: var(--navy, #041632);
    line-height: 1.3;
}

/* ─── Related Posts ────────────────────────────────────────── */
.coastal-related-posts {
    background: var(--white, #ffffff);
    padding: 100px 60px;
}

.coastal-related-posts__inner {
    max-width: 1300px;
    margin: 0 auto;
}

.coastal-related-posts__heading {
    font-family: 'Cormorant Garamond', serif;
    font-size: 42px;
    font-weight: 300;
    color: var(--navy, #041632);
    margin-bottom: 48px;
}

.coastal-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* ─── CTA Banner ───────────────────────────────────────────── */
.coastal-blog-cta {
    background: var(--navy, #041632);
    padding: 100px 60px;
    text-align: center;
}

.coastal-blog-cta__inner {
    max-width: 700px;
    margin: 0 auto;
}

.coastal-blog-cta .coastal-section-label {
    justify-content: center;
}

.coastal-blog-cta__heading {
    font-family: 'Cormorant Garamond', serif;
    font-size: 48px;
    font-weight: 300;
    color: var(--white, #ffffff);
    margin-bottom: 16px;
    line-height: 1.15;
}

.coastal-blog-cta__text {
    font-family: 'Jost', sans-serif;
    font-size: 17px;
    font-weight: 300;
    color: rgba(255,255,255,0.70);
    line-height: 1.6;
    margin-bottom: 40px;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .coastal-single-hero {
        padding: 80px 32px 48px;
    }

    .coastal-single-post {
        padding: 60px 32px;
    }

    .coastal-single-post__layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .coastal-single-sidebar {
        position: relative;
        top: 0;
        flex-direction: row;
        gap: 20px;
    }

    .coastal-single-toc {
        flex: 1;
    }

    .coastal-single-share {
        min-width: 120px;
    }

    .coastal-related-posts {
        padding: 80px 32px;
    }

    .coastal-blog-cta {
        padding: 80px 32px;
    }
}

@media (max-width: 768px) {
    .coastal-single-hero {
        min-height: 360px;
        padding: 60px 20px 36px;
    }

    .coastal-single-hero__title {
        font-size: 32px;
    }

    .coastal-single-hero__meta-top {
        flex-wrap: wrap;
        font-size: 11px;
    }

    .coastal-single-post {
        padding: 40px 16px;
    }

    .coastal-single-sidebar {
        flex-direction: column;
    }

    .coastal-single-content__card {
        padding: 32px 24px;
    }

    .coastal-single-content__card h2 {
        font-size: 26px;
    }

    .coastal-single-content__card h3 {
        font-size: 21px;
    }

    .coastal-single-content__card blockquote {
        padding: 20px 24px;
        font-size: 19px;
    }

    .coastal-single-author {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px;
    }

    .coastal-single-postnav {
        grid-template-columns: 1fr;
    }

    .coastal-single-postnav__next {
        text-align: left;
    }

    .coastal-single-postnav__next .coastal-single-postnav__dir {
        justify-content: flex-start;
    }

    .coastal-related-posts {
        padding: 60px 20px;
    }

    .coastal-related-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .coastal-blog-cta {
        padding: 60px 20px;
    }

    .coastal-blog-cta__heading {
        font-size: 36px;
    }
}