/* ==============================================================
   blog.css – Stylesheet trang Blog SUNILIES
   Đặt tại: src/main/resources/static/css/blog.css
   ============================================================== */

:root {
    --mainColor:   #c8986a;
    --darkColor:   #3d2e1c;
    --textColor:   #231f20;
    --borderColor: #e8e4de;
    --bgLight:     #faf2e6;
    --muted:       #7a6a57;
    --fontDisplay: 'Playfair Display', serif;
    --fontBody:    'Lato', sans-serif;
    --transition:  .3s ease;
}

/* -----------------------------------------------
   BREADCRUMB
----------------------------------------------- */
.bl-bc {
    padding: 14px 0;
    border-bottom: 1px solid var(--borderColor);
    font-size: 12px;
    color: #aaa;
}
.bl-bc a { color: #aaa; transition: color var(--transition); }
.bl-bc a:hover { color: var(--mainColor); }
.bl-bc__sep { margin: 0 8px; color: #ddd; }
.bl-bc__current { color: var(--darkColor); }

/* -----------------------------------------------
   REVEAL ANIMATION
----------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .65s ease, transform .65s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: none;
}
.reveal--delay-1 { transition-delay: .1s; }
.reveal--delay-2 { transition-delay: .2s; }
.reveal--delay-3 { transition-delay: .3s; }

/* -----------------------------------------------
   HERO
----------------------------------------------- */
.bl-hero {
    position: relative;
    padding: 90px 0 70px;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 10%, rgba(200,152,106,.10) 0, transparent 45%),
        radial-gradient(circle at 15% 85%, rgba(200,152,106,.06) 0, transparent 40%),
        #fff;
    text-align: center;
}
.bl-hero__bg-text {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--fontDisplay);
    font-style: italic;
    font-size: clamp(100px, 16vw, 240px);
    color: rgba(200,152,106,.05);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    letter-spacing: 8px;
    z-index: 0;
}
.bl-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}
.bl-hero__eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--mainColor);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.bl-hero__eyebrow::before,
.bl-hero__eyebrow::after {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--mainColor);
}
.bl-hero__title {
    font-family: var(--fontDisplay);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 700;
    line-height: 1.15;
    color: var(--darkColor);
    margin-bottom: 20px;
}
.bl-hero__title em {
    font-style: italic;
    color: var(--mainColor);
}
.bl-hero__desc {
    font-size: 16px;
    line-height: 1.75;
    color: var(--muted);
    max-width: 520px;
    margin: 0 auto;
}

/* -----------------------------------------------
   MARQUEE
----------------------------------------------- */
.bl-marquee {
    overflow: hidden;
    background: var(--darkColor);
    padding: 14px 0;
    white-space: nowrap;
}
.bl-marquee__track {
    display: inline-flex;
    gap: 40px;
    animation: bl-marquee-scroll 22s linear infinite;
}
.bl-marquee__track span {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255,255,255,.75);
}
.bl-marquee__dot {
    color: var(--mainColor) !important;
    font-size: 10px !important;
}
@keyframes bl-marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* -----------------------------------------------
   FILTER
----------------------------------------------- */
.bl-filter {
    padding: 28px 0;
    border-bottom: 1px solid var(--borderColor);
    background: #fff;
}
.bl-filter__list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.bl-filter__btn {
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid var(--borderColor);
    background: transparent;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--muted);
    cursor: pointer;
    transition: all var(--transition);
}
.bl-filter__btn:hover {
    border-color: var(--mainColor);
    color: var(--mainColor);
}
.bl-filter__btn--active {
    background: var(--mainColor);
    border-color: var(--mainColor);
    color: #fff;
}

/* -----------------------------------------------
   SECTION COMMON
----------------------------------------------- */
.bl-section {
    padding: 80px 0;
}
.bl-section--cream {
    background: var(--bgLight);
}
.bl-section__head {
    text-align: center;
    margin-bottom: 52px;
}
.bl-section__eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--mainColor);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.bl-section__eyebrow::before,
.bl-section__eyebrow::after {
    content: '';
    display: block;
    width: 28px;
    height: 1px;
    background: var(--mainColor);
}
.bl-section__title {
    font-family: var(--fontDisplay);
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 700;
    color: var(--darkColor);
    margin-bottom: 18px;
    line-height: 1.2;
}
.bl-section__title em {
    font-style: italic;
    color: var(--mainColor);
}
.bl-section__divider {
    width: 40px;
    height: 2px;
    background: var(--mainColor);
    margin: 0 auto;
}

/* -----------------------------------------------
   FEATURED POST
----------------------------------------------- */
.bl-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.bl-featured__media {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.bl-featured__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.bl-featured:hover .bl-featured__media img {
    transform: scale(1.04);
}
.bl-featured__tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--mainColor);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 2px;
}
.bl-featured__meta {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.bl-featured__sep { opacity: .4; }
.bl-featured__title {
    font-family: var(--fontDisplay);
    font-size: clamp(22px, 2.5vw, 34px);
    font-weight: 700;
    line-height: 1.25;
    color: var(--darkColor);
    margin-bottom: 18px;
}
.bl-featured__excerpt {
    font-size: 15px;
    line-height: 1.8;
    color: var(--muted);
    margin-bottom: 28px;
}

/* -----------------------------------------------
   BLOG GRID
----------------------------------------------- */
.bl-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    margin-bottom: 52px;
}
.bl-card {
    background: #fff;
    border: 1px solid var(--borderColor);
    border-radius: 4px;
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}
.bl-card:hover {
    box-shadow: 0 12px 40px rgba(61,46,28,.10);
    transform: translateY(-4px);
}
.bl-card__media {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.bl-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.bl-card:hover .bl-card__media img {
    transform: scale(1.06);
}
.bl-card__tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--mainColor);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 2px;
}
.bl-card__body {
    padding: 22px 24px 26px;
}
.bl-card__meta {
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.bl-card__sep { opacity: .4; }
.bl-card__title {
    font-family: var(--fontDisplay);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    color: var(--darkColor);
    margin-bottom: 12px;
    transition: color var(--transition);
}
.bl-card:hover .bl-card__title { color: var(--mainColor); }
.bl-card__excerpt {
    font-size: 13px;
    line-height: 1.75;
    color: var(--muted);
    margin-bottom: 18px;
}
.bl-card__link {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--mainColor);
    text-transform: uppercase;
    text-decoration: none;
    transition: opacity var(--transition);
}
.bl-card__link:hover { opacity: .7; }

/* -----------------------------------------------
   LOAD MORE
----------------------------------------------- */
.bl-load-more {
    text-align: center;
}

/* -----------------------------------------------
   BUTTONS
----------------------------------------------- */
.bl-btn {
    display: inline-block;
    padding: 14px 34px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 2px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}
.bl-btn--primary {
    background: var(--mainColor);
    color: #fff;
}
.bl-btn--primary:hover {
    background: var(--darkColor);
    color: #fff;
}
.bl-btn--outline {
    background: transparent;
    border: 2px solid var(--mainColor);
    color: var(--mainColor);
}
.bl-btn--outline:hover {
    background: var(--mainColor);
    color: #fff;
}

/* -----------------------------------------------
   NEWSLETTER
----------------------------------------------- */
.bl-newsletter {
    position: relative;
    padding: 90px 0;
    background: var(--darkColor);
    overflow: hidden;
    text-align: center;
}
.bl-newsletter__bg-text {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--fontDisplay);
    font-style: italic;
    font-size: clamp(100px, 16vw, 240px);
    color: rgba(255,255,255,.03);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    letter-spacing: 8px;
}
.bl-newsletter__inner {
    position: relative;
    z-index: 1;
    max-width: 560px;
    margin: 0 auto;
}
.bl-newsletter__eyebrow {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--mainColor);
    margin-bottom: 18px;
}
.bl-newsletter__title {
    font-family: var(--fontDisplay);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 16px;
}
.bl-newsletter__title em {
    font-style: italic;
    color: var(--mainColor);
}
.bl-newsletter__desc {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255,255,255,.55);
    margin-bottom: 32px;
}
.bl-newsletter__form {
    display: flex;
    gap: 0;
    max-width: 440px;
    margin: 0 auto;
}
.bl-newsletter__input {
    flex: 1;
    padding: 14px 18px;
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(255,255,255,.08);
    color: #fff;
    font-size: 14px;
    border-radius: 2px 0 0 2px;
    outline: none;
    transition: border-color var(--transition);
}
.bl-newsletter__input::placeholder { color: rgba(255,255,255,.35); }
.bl-newsletter__input:focus { border-color: var(--mainColor); }
.bl-newsletter__form .bl-btn {
    border-radius: 0 2px 2px 0;
    white-space: nowrap;
}

/* -----------------------------------------------
   RESPONSIVE
----------------------------------------------- */
@media (max-width: 992px) {
    .bl-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .bl-featured {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .bl-hero { padding: 60px 0 50px; }
    .bl-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .bl-newsletter__form {
        flex-direction: column;
    }
    .bl-newsletter__input,
    .bl-newsletter__form .bl-btn {
        border-radius: 2px;
    }
    .bl-filter__list { gap: 8px; }
}

@media (max-width: 480px) {
    .bl-section { padding: 52px 0; }
    .bl-featured__title { font-size: 22px; }
}