/* =========================================================
   AMBITIOUS START — LEARN
   ========================================================= */


/* =========================================================
   LEARN HERO
   ========================================================= */

.learn-hero {
    padding: 78px 0 72px;
    background:
        radial-gradient(
            circle at 88% 18%,
            rgba(21, 159, 234, 0.08),
            transparent 27%
        ),
        linear-gradient(
            135deg,
            #F5FAFF 0%,
            #FFFFFF 62%,
            #FFF9EA 100%
        );
    border-bottom: 1px solid #E6EEF7;
}

.learn-hero h1 {
    max-width: 850px;
    margin: 15px 0 17px;
    color: var(--color-navy);
    font-size: clamp(2.7rem, 6vw, 4.7rem);
    line-height: .98;
    letter-spacing: -0.06em;
}

.learn-hero h1 span {
    color: var(--color-blue);
}

.learn-hero-lead {
    max-width: 760px;
    margin: 0 0 12px;
    color: var(--color-ink);
    font-size: 1.18rem;
    line-height: 1.7;
    font-weight: 650;
}

.learn-hero-support {
    max-width: 720px;
    margin: 0;
    color: var(--color-muted);
    font-size: .98rem;
    line-height: 1.75;
}


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

.learn-featured {
    padding: 48px 0 22px;
}

.featured-card {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(220px, .65fr);
    min-height: 330px;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 16px 42px rgba(11, 45, 107, 0.075);
}

.featured-copy {
    padding: 38px 42px;
}

.article-meta,
.article-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.article-meta {
    color: #71849B;
    font-size: .72rem;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: .055em;
}

.article-type,
.article-tag {
    display: inline-flex;
    width: fit-content;
    padding: 5px 9px;
    border: 1px solid #D8EAF8;
    border-radius: 999px;
    background: #F1F9FF;
    color: var(--color-blue);
    font-size: .66rem;
    font-weight: 850;
    letter-spacing: .055em;
    text-transform: uppercase;
}

.featured-copy h2 {
    max-width: 720px;
    margin: 19px 0 13px;
    color: var(--color-navy);
    font-size: clamp(1.8rem, 3.4vw, 2.7rem);
    line-height: 1.08;
    letter-spacing: -.045em;
}

.featured-copy > p {
    max-width: 690px;
    margin: 0;
    color: var(--color-muted);
    font-size: .98rem;
    line-height: 1.75;
}

.featured-note {
    max-width: 680px;
    margin-top: 22px;
    padding: 13px 15px;
    border-left: 3px solid var(--color-sky);
    border-radius: 0 10px 10px 0;
    background: #F4FAFF;
    color: #526B86;
    font-size: .8rem;
    line-height: 1.65;
}

.featured-side {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100%;
    padding: 34px;
    background:
        radial-gradient(
            circle at 70% 28%,
            rgba(255, 181, 46, .18),
            transparent 28%
        ),
        linear-gradient(
            145deg,
            #F0F8FF,
            #E8F6FF
        );
    border-left: 1px solid #E1EDF7;
}

.featured-number {
    color: var(--color-sky);
    font-size: 4rem;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -.06em;
}

.featured-label {
    max-width: 150px;
    color: var(--color-navy);
    font-size: .82rem;
    font-weight: 850;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: .08em;
}


/* =========================================================
   GENERAL LEARN SECTIONS
   ========================================================= */

.learn-section {
    padding-top: 76px;
}

.section-intro {
    max-width: 1080px;
    margin-bottom: 34px;
}

.section-intro h2 {
    margin: 13px 0 11px;
    color: var(--color-navy);
    font-size: clamp(1.9rem, 4vw, 2.65rem);
    line-height: 1.08;
    letter-spacing: -.045em;
}

.section-intro p {
    max-width: 1080px;
    margin: 0;
    color: var(--color-muted);
    font-size: .98rem;
    line-height: 1.75;
}


/* =========================================================
   ARTICLE CARDS
   ========================================================= */

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.article-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 300px;
    padding: 24px;
    border: 1px solid var(--color-line);
    border-radius: 19px;
    background: #fff;
    box-shadow: 0 7px 22px rgba(11, 45, 107, 0.045);
    transition: .22s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: #C7DBF1;
    box-shadow: 0 15px 34px rgba(11, 45, 107, 0.085);
}

.article-card-top {
    align-items: flex-start;
}

.article-read {
    color: #7A8BA0;
    font-size: .7rem;
    font-weight: 700;
}

.article-card h3 {
    margin: 22px 0 9px;
    color: var(--color-navy);
    font-size: 1.22rem;
    line-height: 1.2;
    letter-spacing: -.025em;
}

.article-card p {
    margin: 0;
    color: var(--color-muted);
    font-size: .88rem;
    line-height: 1.7;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 22px;
    color: var(--color-blue);
    font-size: .78rem;
    font-weight: 850;
}

.article-link span {
    color: var(--color-sky);
    font-size: 1rem;
    transition: transform .2s ease;
}

.article-card:hover .article-link span {
    transform: translateX(3px);
}


/* =========================================================
   TOPICS
   ========================================================= */

.topics-section {
    background:
        radial-gradient(
            circle at 10% 45%,
            rgba(21, 159, 234, .055),
            transparent 30%
        ),
        #F8FBFF;
    border-top: 1px solid #E8F0F8;
    border-bottom: 1px solid #E8F0F8;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.topic-card {
    display: block;
    min-height: 190px;
    padding: 23px;
    border: 1px solid var(--color-line);
    border-radius: 18px;
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 7px 20px rgba(11, 45, 107, .04);
    transition: .22s ease;
}

.topic-card:hover {
    transform: translateY(-4px);
    border-color: #C7DBF1;
    box-shadow: 0 14px 30px rgba(11, 45, 107, .075);
}

.topic-number {
    display: block;
    margin-bottom: 18px;
    color: var(--color-sky);
    font-size: .7rem;
    font-weight: 900;
    letter-spacing: .08em;
}

.topic-card h3 {
    margin: 0 0 7px;
    color: var(--color-navy);
    font-size: 1.08rem;
}

.topic-card p {
    margin: 0;
    color: var(--color-muted);
    font-size: .87rem;
    line-height: 1.65;
}


/* =========================================================
   TOOLS CONNECTION
   ========================================================= */

.learn-tools {
    padding-top: 70px;
}

.learn-tools-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    padding: 34px 38px;
    border: 1px solid #D7E7F4;
    border-radius: 21px;
    background:
        linear-gradient(
            135deg,
            #F3FAFF,
            #FFFFFF 70%,
            #FFF9EA
        );
}

.learn-tools-card h2 {
    max-width: 720px;
    margin: 12px 0 10px;
    color: var(--color-navy);
    font-size: clamp(1.55rem, 3vw, 2.2rem);
    line-height: 1.12;
    letter-spacing: -.04em;
}

.learn-tools-card p {
    max-width: 700px;
    margin: 0;
    color: var(--color-muted);
    font-size: .9rem;
    line-height: 1.7;
}


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

@media (max-width: 900px) {

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

    .featured-side {
        min-height: 150px;
        border-top: 1px solid #E1EDF7;
        border-left: 0;
    }

    .article-grid,
    .topic-grid {
        grid-template-columns: 1fr 1fr;
    }

    .learn-tools-card {
        align-items: flex-start;
        flex-direction: column;
    }

}


@media (max-width: 760px) {

    .learn-hero {
        padding: 60px 0 58px;
    }

    .learn-hero h1 {
        font-size: clamp(2.45rem, 12vw, 3.6rem);
    }

    .learn-hero-lead {
        font-size: 1.02rem;
    }

    .learn-featured {
        padding-top: 30px;
    }

    .featured-copy {
        padding: 29px 25px;
    }

    .featured-side {
        min-height: 125px;
        padding: 25px;
    }

    .featured-number {
        font-size: 3rem;
    }

    .article-grid,
    .topic-grid {
        grid-template-columns: 1fr;
    }

    .article-card {
        min-height: 270px;
    }

    .learn-tools-card {
        padding: 28px 25px;
    }

}


@media (max-width: 500px) {

    .article-meta,
    .article-card-top {
        align-items: flex-start;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

}