/* =========================
   GENERAL SETTINGS
========================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background: #ffffff;
    color: #1f2937;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}


/* =========================
   HEADER
========================= */

.header {
    width: 100%;
    padding: 20px 7%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    background: #ffffff;
    border-bottom: 1px solid #eeeeee;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #111827;
}

.logo span {
    color: #2563eb;
}

.navigation {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    align-items: center;
}

.navigation a {
    color: #374151;
    font-size: 15px;
    font-weight: 600;
}

.navigation a:hover {
    color: #2563eb;
}


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

.hero {
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 80px 7%;
    background: linear-gradient(
        135deg,
        #eff6ff,
        #ffffff
    );
}

.hero-content {
    max-width: 750px;
}

.small-heading {
    color: #2563eb;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.hero h1 {
    font-size: 60px;
    line-height: 1.1;
    color: #111827;
    margin-bottom: 25px;
}

.hero p {
    font-size: 19px;
    color: #4b5563;
    max-width: 650px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}


/* =========================
   BUTTONS
========================= */

.button {
    display: inline-block;
    padding: 14px 25px;
    border-radius: 8px;
    font-weight: 700;
    transition: 0.3s;
}

.primary {
    background: #2563eb;
    color: #ffffff;
}

.primary:hover {
    background: #1d4ed8;
}

.secondary {
    border: 2px solid #2563eb;
    color: #2563eb;
    background: #ffffff;
}

.secondary:hover {
    background: #eff6ff;
}


/* =========================
   SECTION HEADINGS
========================= */

.section-heading {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-heading p {
    color: #2563eb;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-heading h2 {
    font-size: 38px;
    color: #111827;
}


/* =========================
   CATEGORIES
========================= */

.categories {
    padding: 90px 7%;
}

.category-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.category-card {
    padding: 35px;
    border: 1px solid #e5e7eb;
    border-radius: 15px;
    background: #ffffff;
    transition: 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.icon {
    font-size: 38px;
    margin-bottom: 20px;
}

.category-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #111827;
}

.category-card p {
    color: #6b7280;
    margin-bottom: 20px;
}

.category-card a,
.guide-card a {
    color: #2563eb;
    font-weight: 700;
}


/* =========================
   FEATURED GUIDES
========================= */

.featured {
    padding: 90px 7%;
    background: #f9fafb;
}

.guide-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.guide-card {
    background: #ffffff;
    padding: 35px;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
}

.guide-number {
    display: inline-block;
    color: #2563eb;
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 15px;
}

.guide-card h3 {
    font-size: 23px;
    margin-bottom: 15px;
}

.guide-card p {
    color: #6b7280;
    margin-bottom: 20px;
}


/* =========================
   PAGE INTRO
========================= */

.page-intro {
    padding: 80px 7%;
    text-align: center;
    background: #eff6ff;
}

.page-intro > p:first-child {
    color: #2563eb;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.page-intro h1 {
    font-size: 50px;
    color: #111827;
    margin-bottom: 20px;
}

.page-intro p:last-child {
    max-width: 650px;
    margin: auto;
    font-size: 18px;
    color: #6b7280;
}


/* =========================
   GUIDES PAGE
========================= */

.guides-page {
    padding: 80px 7%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.guide-item {
    padding: 35px;
    border: 1px solid #e5e7eb;
    border-radius: 15px;
    background: #ffffff;
    transition: 0.3s;
}

.guide-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.guide-item > span {
    color: #2563eb;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
}

.guide-item h2 {
    font-size: 25px;
    color: #111827;
    margin: 15px 0;
}

.guide-item p {
    color: #6b7280;
    margin-bottom: 20px;
}

.guide-item a {
    color: #2563eb;
    font-weight: 700;
}


/* =========================
   ARTICLE PAGE
========================= */

.article-header {
    padding: 80px 7%;
    text-align: center;
    background: #eff6ff;
}

.article-label {
    color: #2563eb;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.article-header h1 {
    max-width: 900px;
    margin: 0 auto 20px;
    font-size: 50px;
    line-height: 1.2;
    color: #111827;
}

.article-header > p:last-child {
    max-width: 700px;
    margin: auto;
    color: #6b7280;
    font-size: 18px;
}

.article-container {
    padding: 80px 7%;
}

.article-content {
    max-width: 850px;
    margin: auto;
}

.article-content p {
    font-size: 18px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 25px;
}

.article-content h2 {
    font-size: 32px;
    color: #111827;
    margin-top: 45px;
    margin-bottom: 20px;
}

.article-content h3 {
    font-size: 24px;
    color: #111827;
    margin-top: 30px;
    margin-bottom: 15px;
}

.article-content ol,
.article-content ul {
    margin: 20px 0 30px;
    padding-left: 25px;
    color: #4b5563;
}

.article-content li {
    margin-bottom: 12px;
    font-size: 17px;
    line-height: 1.7;
}


/* =========================
   EXAMPLE BOX
========================= */

.example-box {
    padding: 20px;
    margin: 20px 0 30px;
    background: #f3f4f6;
    border-left: 4px solid #2563eb;
    font-family: monospace;
    font-size: 17px;
}


/* =========================
   RECOMMENDATION BOX
========================= */

.recommendation-box {
    padding: 30px;
    margin: 35px 0;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
}

.recommendation-box h3 {
    color: #111827;
    margin-top: 0;
    margin-bottom: 15px;
}

.recommendation-box p {
    margin-bottom: 15px;
}


/* =========================
   ARTICLE NAVIGATION
========================= */

.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
}

.article-navigation a {
    color: #2563eb;
    font-weight: 700;
}


/* =========================
   TOOLS PAGE
========================= */

.tools-page {
    padding: 80px 7%;
}

.tools-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.tool-card {
    padding: 35px;
    border: 1px solid #e5e7eb;
    border-radius: 15px;
    background: #ffffff;
    transition: 0.3s;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.tool-icon {
    font-size: 38px;
    margin-bottom: 18px;
}

.tool-category {
    color: #2563eb;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.tool-card h3 {
    font-size: 24px;
    color: #111827;
    margin: 12px 0 15px;
}

.tool-card p {
    color: #6b7280;
    margin-bottom: 20px;
}

.tool-card a {
    color: #2563eb;
    font-weight: 700;
}


/* =========================
   REVIEWS PAGE
========================= */

.reviews-page {
    padding: 80px 7%;
}

.reviews-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.review-card {
    padding: 35px;
    border: 1px solid #e5e7eb;
    border-radius: 15px;
    background: #ffffff;
    transition: 0.3s;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.review-category {
    color: #2563eb;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.review-card h3 {
    font-size: 24px;
    color: #111827;
    margin: 12px 0 15px;
}

.review-card p {
    color: #6b7280;
    margin-bottom: 20px;
}

.review-card a {
    color: #2563eb;
    font-weight: 700;
}


/* =========================
   REVIEW DISCLOSURE
========================= */

.disclosure {
    padding: 70px 7%;
    background: #f9fafb;
    text-align: center;
}

.disclosure h2 {
    font-size: 32px;
    color: #111827;
    margin-bottom: 20px;
}

.disclosure p {
    max-width: 750px;
    margin: 0 auto 15px;
    color: #6b7280;
}


/* =========================
   ABOUT PAGE
========================= */

.about-section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px 20px;
}

.about-section h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #111827;
}

.about-section p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 18px;
}

.mission-box {
    padding: 30px;
    border-radius: 12px;
    background: #f4f7fb;
    margin-top: 25px;
}

.mission-box h3 {
    font-size: 25px;
    margin-bottom: 12px;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.about-card {
    padding: 25px;
    border-radius: 12px;
    background: #f4f7fb;
}

.about-card h3 {
    margin-bottom: 15px;
    font-size: 21px;
}

.about-card p {
    font-size: 16px;
    line-height: 1.7;
}


/* =========================
   CONTINUE LEARNING
========================= */

.continue-learning {
    max-width: 1000px;
    margin: 40px auto;
    padding: 30px;
    background: #f5f7fa;
    border-radius: 12px;
}

.continue-learning h2 {
    color: #111827;
    margin-bottom: 10px;
}

.continue-learning p {
    margin-bottom: 20px;
    color: #4b5563;
}

.learning-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.learning-links a {
    display: block;
    padding: 14px 16px;
    background: #ffffff;
    border-radius: 8px;
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid #e5e7eb;
    transition: 0.3s;
}

.learning-links a:hover {
    color: #1d4ed8;
    transform: translateX(3px);
}


/* =========================
   CALL TO ACTION
========================= */

.cta {
    padding: 90px 7%;
    text-align: center;
    background: #111827;
    color: #ffffff;
}

.cta h2 {
    font-size: 40px;
    margin-bottom: 15px;
}

.cta p {
    margin-bottom: 25px;
    color: #d1d5db;
}


/* =========================
   FOOTER
========================= */

.footer {
    text-align: center;
    padding: 40px 7%;
    background: #0f172a;
    color: #ffffff;
}

.footer-logo {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 10px;
}

.footer p {
    color: #cbd5e1;
}

.copyright {
    margin-top: 15px;
    font-size: 13px;
}

.footer-links {
    margin-top: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}


/* =========================
   MOBILE RESPONSIVENESS
========================= */

@media (max-width: 768px) {


    /* HEADER */

    .header {
        flex-direction: column;
        gap: 20px;
        padding: 18px 6%;
    }

    .navigation {
        gap: 12px;
        justify-content: center;
    }

    .navigation a {
        font-size: 13px;
    }


    /* HERO */

    .hero {
        min-height: 500px;
        padding: 60px 6%;
        text-align: center;
    }

    .hero-content {
        margin: auto;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero p {
        font-size: 17px;
    }

    .hero-buttons {
        justify-content: center;
    }


    /* CATEGORIES */

    .categories {
        padding: 60px 6%;
    }

    .category-container {
        grid-template-columns: 1fr;
    }


    /* FEATURED */

    .featured {
        padding: 60px 6%;
    }

    .guide-container {
        grid-template-columns: 1fr;
    }


    /* HEADINGS */

    .section-heading h2 {
        font-size: 30px;
    }


    /* PAGE INTRO */

    .page-intro {
        padding: 60px 6%;
    }

    .page-intro h1 {
        font-size: 38px;
    }


    /* GUIDES */

    .guides-page {
        grid-template-columns: 1fr;
        padding: 60px 6%;
    }


    /* ARTICLE */

    .article-header {
        padding: 60px 6%;
    }

    .article-header h1 {
        font-size: 38px;
    }

    .article-container {
        padding: 60px 6%;
    }

    .article-content p {
        font-size: 17px;
    }

    .article-content h2 {
        font-size: 28px;
    }

    .article-content h3 {
        font-size: 22px;
    }

    .article-content p,
    .article-content li {
        font-size: 16px;
    }


    .article-navigation {
        flex-direction: column;
    }

    .article-navigation a {
        text-align: center;
    }


    /* TOOLS */

    .tools-page {
        padding: 60px 6%;
    }

    .tools-container {
        grid-template-columns: 1fr;
    }


    /* REVIEWS */

    .reviews-page {
        padding: 60px 6%;
    }

    .reviews-container {
        grid-template-columns: 1fr;
    }

    .disclosure {
        padding: 60px 6%;
    }


    /* ABOUT */

    .about-section {
        padding: 35px 20px;
    }

    .about-section h2 {
        font-size: 25px;
    }

    .about-cards {
        grid-template-columns: 1fr;
    }

    .mission-box {
        padding: 22px;
    }


    /* CONTINUE LEARNING */

    .continue-learning {
        margin: 30px 6%;
        padding: 22px;
    }


    /* CTA */

    .cta {
        padding: 65px 6%;
    }

    .cta h2 {
        font-size: 32px;
    }


    /* FOOTER */

    .footer {
        padding: 40px 6%;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

}