/* =================================
   BLOG PAGE
   Conversion Leak Hunter
================================= */

.blog-hero {
    position: relative;

    padding-top: clamp(9rem, 16vw, 13rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);

    overflow: hidden;
}


/* =================================
   HERO ATMOSPHERE
================================= */

.blog-hero::before {
    content: "";

    position: absolute;

    width: 700px;
    height: 700px;

    top: -350px;
    right: -220px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(255, 59, 48, 0.14),
            rgba(120, 60, 255, 0.07) 35%,
            transparent 70%
        );

    filter: blur(20px);

    pointer-events: none;
}


.blog-hero::after {
    content: "";

    position: absolute;

    inset: 0;

    opacity: 0.18;

    background-image:
        linear-gradient(
            rgba(255,255,255,0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,0.035) 1px,
            transparent 1px
        );

    background-size: 70px 70px;

    mask-image:
        linear-gradient(
            to bottom,
            black,
            transparent 75%
        );

    pointer-events: none;
}


.blog-hero .container {
    position: relative;
    z-index: 1;
}


.blog-hero-content {
    max-width: 900px;
}


.blog-hero .post-category {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;

    padding: 0.45rem 0.75rem;

    border: 1px solid rgba(88, 17, 13, 0.25);
    border-radius: 999px;

    background:
        rgba(255, 59, 48, 0.06);

    box-shadow:
        0 0 30px rgba(255, 59, 48, 0.05);
}


.blog-hero .post-category::before {
    content: "";

    width: 6px;
    height: 6px;

    border-radius: 50%;

    background: var(--color-primary);

    box-shadow:
        0 0 12px rgba(255, 59, 48, 0.8);
}


.blog-hero h1 {
    max-width: 950px;

    margin-top: var(--space-xl);

    font-size: clamp(
        3.4rem,
        8vw,
        7.5rem
    );

    line-height: 0.91;

    letter-spacing: -0.075em;

    text-wrap: balance;
}


.blog-hero h1::first-line {
    background:
        linear-gradient(
            100deg,
            var(--color-text) 0%,
            var(--color-text) 55%,
            #ff5c50 100%
        );

    -webkit-background-clip: text;
    background-clip: text;

    -webkit-text-fill-color: transparent;
}


.blog-hero p {
    max-width: 680px;

    margin-top: var(--space-2xl);

    color: var(--color-text-secondary);

    font-size: clamp(
        1rem,
        1.5vw,
        1.2rem
    );

    line-height: 1.8;
}


/* =================================
   FEATURED POST
================================= */

.featured-post {
    position: relative;

    padding-top: var(--space-xl);
}


.featured-post-card {
    position: relative;

    display: grid;

    grid-template-columns:
        minmax(0, 1.05fr)
        minmax(350px, 0.95fr);

    min-height: 560px;

    overflow: hidden;

    border: 1px solid rgba(255,255,255,0.09);

    border-radius: 30px;

    background:
        radial-gradient(
            circle at 85% 20%,
            rgba(255, 59, 48, 0.12),
            transparent 30%
        ),
        radial-gradient(
            circle at 60% 100%,
            rgba(91, 53, 255, 0.09),
            transparent 35%
        ),
        var(--color-bg-secondary);

    box-shadow:
        0 30px 100px rgba(0,0,0,0.28);

    isolation: isolate;
}


.featured-post-card::before {
    content: "";

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            120deg,
            transparent 30%,
            rgba(255,255,255,0.025),
            transparent 70%
        );

    pointer-events: none;
}


/* =================================
   FEATURED CONTENT
================================= */

.featured-post-content {
    position: relative;
    z-index: 2;

    display: flex;

    flex-direction: column;

    justify-content: center;

    padding:
        clamp(2rem, 5vw, 5rem);
}


.featured-post-content .post-category {
    color: var(--color-primary);

    font-size: 0.65rem;

    font-weight: var(--weight-bold);

    letter-spacing: 0.14em;

    text-transform: uppercase;
}


.featured-post h2 {
    max-width: 720px;

    margin-top: var(--space-lg);

    font-size: clamp(
        2.5rem,
        5vw,
        5rem
    );

    line-height: 0.98;

    letter-spacing: -0.055em;

    text-wrap: balance;
}


.featured-post-content > p {
    max-width: 600px;

    margin-top: var(--space-xl);

    color: var(--color-text-secondary);

    font-size: var(--text-md);

    line-height: 1.8;
}


.post-meta {
    display: flex;

    align-items: center;

    gap: 0.7rem;

    margin-top: var(--space-xl);

    color: var(--color-text-muted);

    font-size: 0.65rem;

    letter-spacing: 0.03em;
}


.post-link {
    display: inline-flex;

    align-items: center;

    gap: 0.75rem;

    width: fit-content;

    margin-top: var(--space-xl);

    padding-bottom: 0.35rem;

    border-bottom: 1px solid rgba(255,255,255,0.25);

    color: var(--color-text);

    font-size: var(--text-sm);

    font-weight: var(--weight-bold);

    text-decoration: none;

    transition:
        color var(--transition-normal),
        border-color var(--transition-normal);
}


.post-link span {
    color: var(--color-primary);

    transition:
        transform var(--transition-normal);
}


.post-link:hover {
    color: var(--color-primary);

    border-color: var(--color-primary);
}


.post-link:hover span {
    transform: translateX(6px);
}


/* =================================
   LEAK VISUAL
================================= */

.featured-post-visual {
    position: relative;

    display: flex;

    align-items: center;

    justify-content: center;

    min-height: 100%;

    padding: var(--space-3xl);

    overflow: hidden;

    border-left: 1px solid rgba(255,255,255,0.07);

    background:
        radial-gradient(
            circle at center,
            rgba(255, 59, 48, 0.13),
            transparent 42%
        ),
        radial-gradient(
            circle at 75% 25%,
            rgba(84, 55, 255, 0.14),
            transparent 35%
        );
}


.featured-post-visual::before {
    content: "";

    position: absolute;

    width: 420px;
    height: 420px;

    border: 1px solid rgba(255,255,255,0.05);

    border-radius: 50%;

    box-shadow:
        0 0 0 70px rgba(255,255,255,0.015),
        0 0 0 140px rgba(255,255,255,0.01);

    animation:
        radarPulse 5s ease-in-out infinite;
}


.featured-post-visual::after {
    content: "";

    position: absolute;

    inset: 0;

    opacity: 0.25;

    background-image:
        linear-gradient(
            rgba(255,255,255,0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,0.035) 1px,
            transparent 1px
        );

    background-size: 45px 45px;

    mask-image:
        radial-gradient(
            circle,
            black,
            transparent 75%
        );
}


/* =================================
   LEAK DIAGRAM
================================= */

.leak-diagram {
    position: relative;
    z-index: 3;

    display: flex;

    align-items: center;

    width: 100%;

    max-width: 500px;
}


.diagram-node {
    position: relative;

    display: grid;

    place-items: center;

    width: 82px;
    height: 82px;

    flex-shrink: 0;

    border: 1px solid rgba(255,255,255,0.14);

    border-radius: 50%;

    background:
        rgba(255,255,255,0.025);

    backdrop-filter: blur(10px);

    color: var(--color-text-secondary);

    font-size: 0.5rem;

    font-weight: var(--weight-bold);

    letter-spacing: 0.08em;

    box-shadow:
        inset 0 0 30px rgba(255,255,255,0.02),
        0 10px 30px rgba(0,0,0,0.2);
}


.diagram-node::after {
    content: "";

    position: absolute;

    inset: -7px;

    border: 1px solid rgba(255,255,255,0.04);

    border-radius: 50%;
}


.diagram-warning {
    border-color:
        rgba(255, 59, 48, 0.65);

    color: #ff6a60;

    background:
        radial-gradient(
            circle,
            rgba(255, 59, 48, 0.14),
            rgba(255, 59, 48, 0.03)
        );

    box-shadow:
        0 0 40px rgba(255,59,48,0.14),
        inset 0 0 25px rgba(255,59,48,0.08);

    animation:
        leakPulse 2.5s ease-in-out infinite;
}


.diagram-warning::before {
    content: "";

    position: absolute;

    width: 10px;
    height: 10px;

    top: 4px;
    right: 10px;

    border-radius: 50%;

    background: #ff5c50;

    box-shadow:
        0 0 15px rgba(255,59,48,0.9);
}


.diagram-line {
    position: relative;

    flex: 1;

    height: 1px;

    overflow: visible;

    background:
        linear-gradient(
            90deg,
            rgba(255,255,255,0.12),
            rgba(255,59,48,0.45),
            rgba(255,255,255,0.12)
        );
}


.diagram-line::after {
    content: "";

    position: absolute;

    top: 50%;

    left: 0;

    width: 30px;
    height: 2px;

    background:
        linear-gradient(
            90deg,
            transparent,
            var(--color-primary)
        );

    transform:
        translateY(-50%);

    filter:
        drop-shadow(
            0 0 8px rgba(255,59,48,0.8)
        );

    animation:
        leakFlow 2.5s linear infinite;
}


/* =================================
   ARTICLES
================================= */

.articles {
    padding-top: clamp(6rem, 12vw, 10rem);
}


.articles .blog-hero-content {
    max-width: 700px;
}


.articles .post-category {
    color: var(--color-primary);
}


.articles .blog-hero-content h2 {
    margin-top: var(--space-lg);

    font-size: clamp(
        2.5rem,
        5vw,
        5rem
    );

    line-height: 0.98;

    letter-spacing: -0.055em;
}


/* =================================
   ARTICLE GRID
================================= */

.articles-grid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 1px;

    margin-top: var(--space-3xl);

    overflow: hidden;

    border: 1px solid rgba(255,255,255,0.07);

    border-radius: 24px;

    background: rgba(255,255,255,0.07);
}


/* =================================
   ARTICLE CARD
================================= */

.article-card {
    position: relative;

    display: flex;

    flex-direction: column;

    min-height: 400px;

    padding: var(--space-2xl);

    overflow: hidden;

    background:
        linear-gradient(
            145deg,
            var(--color-bg-secondary),
            rgba(255,255,255,0.015)
        );

    transition:
        transform 350ms ease,
        background 350ms ease;
}


.article-card::before {
    content: "";

    position: absolute;

    width: 180px;
    height: 180px;

    top: -100px;
    right: -80px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(255,59,48,0.12),
            transparent 70%
        );

    opacity: 0;

    transition:
        opacity 350ms ease,
        transform 350ms ease;
}


.article-card:hover {
    z-index: 2;

    transform:
        translateY(-6px);

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.045),
            rgba(255,59,48,0.035)
        );
}


.article-card:hover::before {
    opacity: 1;

    transform:
        scale(1.3);
}


.article-card-category {
    position: relative;
    z-index: 1;

    color: var(--color-primary);

    font-size: 0.6rem;

    font-weight: var(--weight-bold);

    letter-spacing: 0.12em;

    text-transform: uppercase;
}


.article-card h3 {
    position: relative;
    z-index: 1;

    margin-top: var(--space-lg);

    font-size: clamp(
        1.35rem,
        2vw,
        1.8rem
    );

    line-height: 1.12;

    letter-spacing: -0.035em;
}


.article-card p {
    position: relative;
    z-index: 1;

    margin-top: var(--space-md);

    color: var(--color-text-secondary);

    font-size: var(--text-sm);

    line-height: 1.75;
}


.article-card-footer {
    position: relative;
    z-index: 1;

    display: flex;

    align-items: center;

    justify-content: space-between;

    margin-top: auto;

    padding-top: var(--space-xl);

    border-top: 1px solid rgba(255,255,255,0.08);
}


.article-card-meta {
    color: var(--color-text-muted);

    font-size: 0.6rem;

    letter-spacing: 0.03em;
}


.article-card-link {
    display: inline-flex;

    align-items: center;

    gap: 0.4rem;

    color: var(--color-text);

    font-size: 0.65rem;

    font-weight: var(--weight-bold);

    text-decoration: none;

    transition:
        color 200ms ease,
        transform 200ms ease;
}


.article-card-link::after {
    content: "→";

    color: var(--color-primary);

    transition:
        transform 200ms ease;
}


.article-card-link:hover {
    color: var(--color-primary);
}


.article-card-link:hover::after {
    transform: translateX(4px);
}


/* =================================
   BLOG CTA
================================= */

.blog-cta {
    padding-top: clamp(6rem, 12vw, 10rem);

    padding-bottom: var(--space-5xl);
}


.blog-cta-card {
    position: relative;

    max-width: 1050px;

    margin: 0 auto;

    padding:
        clamp(3rem, 7vw, 6rem)
        var(--space-3xl);

    overflow: hidden;

    text-align: center;

    border: 1px solid rgba(255,59,48,0.2);

    border-radius: 30px;

    background:
        radial-gradient(
            circle at 50% 120%,
            rgba(255,59,48,0.17),
            transparent 45%
        ),
        radial-gradient(
            circle at 0% 0%,
            rgba(91,53,255,0.1),
            transparent 35%
        ),
        var(--color-bg-secondary);

    box-shadow:
        0 30px 100px rgba(0,0,0,0.25);
}


.blog-cta-card::before {
    content: "";

    position: absolute;

    inset: 1px;

    border-radius: inherit;

    pointer-events: none;

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.05),
            transparent 35%
        );
}


.blog-cta-card .post-category,
.blog-cta-card h2,
.blog-cta-card p,
.blog-cta-card .button {
    position: relative;
    z-index: 1;
}


.blog-cta-card h2 {
    max-width: 780px;

    margin:
        var(--space-lg)
        auto 0;

    font-size: clamp(
        2.4rem,
        5vw,
        5rem
    );

    line-height: 0.98;

    letter-spacing: -0.055em;

    text-wrap: balance;
}


.blog-cta-card p {
    max-width: 620px;

    margin:
        var(--space-xl)
        auto 0;

    color: var(--color-text-secondary);

    line-height: 1.8;
}


.blog-cta-card .button {
    display: inline-flex;

    align-items: center;

    gap: 0.7rem;

    margin-top: var(--space-xl);

    box-shadow:
        0 10px 35px rgba(255,59,48,0.16);
}


/* =================================
   ANIMATIONS
================================= */

@keyframes radarPulse {

    0%,
    100% {
        transform: scale(0.96);

        opacity: 0.55;
    }

    50% {
        transform: scale(1.04);

        opacity: 1;
    }
}


@keyframes leakPulse {

    0%,
    100% {
        transform: scale(1);

        box-shadow:
            0 0 40px rgba(255,59,48,0.12),
            inset 0 0 25px rgba(255,59,48,0.07);
    }

    50% {
        transform: scale(1.05);

        box-shadow:
            0 0 65px rgba(255,59,48,0.24),
            inset 0 0 30px rgba(255,59,48,0.12);
    }
}


@keyframes leakFlow {

    from {
        transform:
            translate(-20px, -50%);
    }

    to {
        transform:
            translate(150px, -50%);
    }
}


/* =================================
   ACCESSIBILITY
================================= */

@media (prefers-reduced-motion: reduce) {

    .featured-post-visual::before,
    .diagram-warning,
    .diagram-line::after {
        animation: none;
    }

    .article-card,
    .article-card::before,
    .post-link span,
    .article-card-link,
    .article-card-link::after {
        transition: none;
    }

}


/* =================================
   RESPONSIVE
================================= */

@media (max-width: 950px) {

    .featured-post-card {
        grid-template-columns: 1fr;
    }

    .featured-post-visual {
        min-height: 400px;

        border-top: 1px solid rgba(255,255,255,0.07);
        border-left: none;
    }

    .articles-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}


@media (max-width: 650px) {

    .blog-hero {
        padding-top: 8rem;
    }

    .blog-hero h1 {
        font-size: clamp(
            3rem,
            15vw,
            5rem
        );
    }

    .featured-post-content {
        padding: var(--space-2xl);
    }

    .featured-post-visual {
        min-height: 300px;

        padding: var(--space-xl);
    }

    .featured-post-visual::before {
        width: 280px;
        height: 280px;
    }

    .articles-grid {
        grid-template-columns: 1fr;

        border-radius: 20px;
    }

    .article-card {
        min-height: 350px;
    }

    .blog-cta-card {
        padding:
            var(--space-3xl)
            var(--space-xl);

        border-radius: 24px;
    }

    .diagram-node {
        width: 62px;
        height: 62px;

        font-size: 0.42rem;
    }

}


@media (max-width: 450px) {

    .leak-diagram {
        transform: scale(0.82);
    }

    .featured-post-visual {
        min-height: 260px;
    }

}