/* =========================================================
   NOVAFITHUB
   HOW MANY CALORIES SHOULD I EAT TO LOSE WEIGHT?
   Desktop + Laptop + Tablet + Mobile
========================================================= */


/* =========================================================
   THEME VARIABLES
========================================================= */

:root {
    --bg: #ffffff;
    --text: #0b1f3a;
    --primary: #009970;
    --card: #f5f7f8;
    --border: #dde4e8;
    --para: #465467;

    --article-surface: #ffffff;
    --article-soft: #f7faf9;

    --green-soft: rgba(0, 153, 112, 0.08);
    --green-border: rgba(0, 153, 112, 0.22);

    --shadow:
        0 20px 55px rgba(11, 31, 58, 0.08);

    --dark-box: #071a31;
}


/* =========================================================
   DARK MODE
========================================================= */

body.dark {
    --bg: #06162c;
    --text: #f8fafc;
    --primary: #00d09c;
    --card: #0b2038;
    --border: #1d3952;
    --para: #c7d2df;

    --article-surface: #081b32;
    --article-soft: #0a2039;

    --green-soft: rgba(0, 208, 156, 0.09);
    --green-border: rgba(0, 208, 156, 0.23);

    --shadow:
        0 20px 55px rgba(0, 0, 0, 0.25);

    --dark-box: #020b18;
}


/* =========================================================
   GLOBAL ARTICLE RESET
========================================================= */

.nf-article-page,
.nf-article-page * {
    box-sizing: border-box;
}

.nf-article-page {
    width: 100%;
    padding: 48px 22px 80px;

    background: var(--bg);
    color: var(--text);

    transition:
        background-color 0.3s ease,
        color 0.3s ease;
}


/* IMPORTANT:
   Prevent global website CSS from centering article text
========================================================= */

.nf-article-page,
.nf-article-container,
.nf-article-content,
.nf-article-content section,
.nf-article-content div,
.nf-article-content p,
.nf-article-content h1,
.nf-article-content h2,
.nf-article-content h3,
.nf-article-content ul,
.nf-article-content ol,
.nf-article-content li {
    text-align: left;
}


/* =========================================================
   MAIN CONTAINER
========================================================= */

.nf-article-container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
}


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

.nf-article-hero {
    position: relative;

    overflow: hidden;

    padding: 58px 60px 52px;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 30px;

    box-shadow: var(--shadow);

    text-align: left;
}


.nf-article-hero::before {
    content: "";

    position: absolute;

    width: 320px;
    height: 320px;

    right: -125px;
    top: -150px;

    border-radius: 50%;

    background: var(--green-soft);

    pointer-events: none;
}


.nf-article-category {
    position: relative;
    z-index: 2;

    display: inline-flex;

    margin-bottom: 23px;

    padding: 8px 17px;

    background: var(--green-soft);

    border: 1px solid var(--green-border);
    border-radius: 100px;

    color: var(--primary);

    font-size: 0.82rem;
    font-weight: 800;

    letter-spacing: 0.07em;
    text-transform: uppercase;
}


.nf-article-hero h1 {
    position: relative;
    z-index: 2;

    max-width: 900px;

    margin: 0;

    color: var(--text);

    font-size: clamp(2.4rem, 5vw, 4.6rem);
    line-height: 1.08;

    letter-spacing: -0.04em;

    text-align: left;
}


.nf-article-lead {
    position: relative;
    z-index: 2;

    max-width: 780px;

    margin: 23px 0 0;

    color: var(--para);

    font-size: 1.18rem;
    line-height: 1.75;

    text-align: left;
}


/* =========================================================
   FEATURED IMAGE
========================================================= */

.nf-featured-image {
    width: 100%;

    margin: 32px 0 0;

    overflow: hidden;

    border: 1px solid var(--border);
    border-radius: 27px;

    background: var(--card);
}


.nf-featured-image img {
    display: block;

    width: 100%;
    height: auto;

    aspect-ratio: 16 / 9;

    object-fit: cover;
}


/* =========================================================
   ARTICLE BODY
========================================================= */

.nf-article-content {
    width: 100%;
    max-width: 930px;

    margin: 48px 0 0;

    padding: 0 8px;

    color: var(--text);

    font-size: 1.04rem;
    line-height: 1.82;

    text-align: left !important;
}


.nf-article-content p {
    max-width: 890px;

    margin: 0 0 21px;

    color: var(--para);

    text-align: left !important;
}


.nf-article-content h2 {
    max-width: 900px;

    margin: 54px 0 17px;

    color: var(--text);

    font-size: clamp(1.65rem, 3vw, 2.25rem);
    line-height: 1.25;

    letter-spacing: -0.025em;

    text-align: left !important;
}


.nf-article-content h3 {
    margin: 0 0 9px;

    color: var(--text);

    font-size: 1.22rem;
    line-height: 1.4;

    text-align: left !important;
}


.nf-article-content strong {
    color: var(--text);
}


.nf-article-content a {
    color: var(--primary);

    font-weight: 700;

    text-decoration: none;

    transition: opacity 0.2s ease;
}


.nf-article-content a:hover {
    text-decoration: underline;
}


/* =========================================================
   INTRODUCTION
========================================================= */

.nf-introduction h2 {
    margin-top: 0;
}


/* =========================================================
   TOOL CTA
========================================================= */

.nf-tool-cta {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 30px;

    width: 100%;

    margin: 36px 0 50px;

    padding: 29px 31px;

    background:
        linear-gradient(
            135deg,
            var(--green-soft),
            var(--article-surface)
        );

    border: 1px solid var(--green-border);
    border-radius: 22px;
}


.nf-tool-cta-content {
    max-width: 630px;
}


.nf-tool-cta h2 {
    margin: 4px 0 8px;

    font-size: 1.55rem;
}


.nf-tool-cta p {
    margin: 0;
}


.nf-cta-label {
    display: block;

    color: var(--primary);

    font-size: 0.8rem;
    font-weight: 800;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}


.nf-article-content .nf-cta-button {
    flex-shrink: 0;

    display: inline-flex;

    align-items: center;
    justify-content: center;

    padding: 13px 20px;

    background: var(--primary);

    border-radius: 11px;

    color: #ffffff;

    font-weight: 800;

    white-space: nowrap;

    text-align: center;
}


.nf-article-content .nf-cta-button:hover {
    color: #ffffff;
    text-decoration: none;

    transform: translateY(-1px);
}


/* =========================================================
   FORMULA BOX
========================================================= */

.nf-formula-box {
    width: 100%;
    max-width: 820px;

    margin: 25px 0 28px;

    padding: 25px 28px;

    background: var(--green-soft);

    border: 1px solid var(--green-border);
    border-left: 5px solid var(--primary);

    border-radius: 17px;
}


.nf-formula-label {
    display: block;

    margin-bottom: 7px;

    color: var(--primary);

    font-size: 0.78rem;
    font-weight: 800;

    letter-spacing: 0.07em;

    text-transform: uppercase;
}


.nf-formula-box strong {
    display: block;

    font-size: 1.15rem;
    line-height: 1.5;
}


/* =========================================================
   FACTOR GRID
========================================================= */

.nf-factor-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 16px;

    width: 100%;

    margin: 28px 0 40px;
}


.nf-factor-card {
    padding: 24px 25px;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 18px;

    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}


.nf-factor-card:hover {
    transform: translateY(-2px);

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


.nf-factor-card > span {
    display: inline-flex;

    margin-bottom: 15px;

    color: var(--primary);

    font-size: 0.82rem;
    font-weight: 900;
}


.nf-factor-card h3 {
    margin-bottom: 8px;
}


.nf-factor-card p {
    margin-bottom: 0;

    font-size: 0.97rem;
}


/* =========================================================
   STEPS
========================================================= */

.nf-step {
    display: grid;

    grid-template-columns: 58px minmax(0, 1fr);

    gap: 20px;

    width: 100%;

    margin: 16px 0;

    padding: 25px 27px;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 18px;
}


.nf-step-number {
    display: flex;

    align-items: center;
    justify-content: center;

    width: 50px;
    height: 50px;

    background: var(--green-soft);

    border: 1px solid var(--green-border);
    border-radius: 14px;

    color: var(--primary);

    font-size: 0.9rem;
    font-weight: 900;

    text-align: center;
}


.nf-step-body p:last-child {
    margin-bottom: 0;
}


.nf-mini-formula {
    display: inline-block;

    margin-top: 4px;

    padding: 12px 16px;

    background: var(--green-soft);

    border-radius: 10px;

    color: var(--text);

    font-weight: 800;
}


/* =========================================================
   CALCULATION EXAMPLE
========================================================= */

.nf-calculation-example {
    display: grid;

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

    align-items: center;

    gap: 12px;

    width: 100%;

    margin: 28px 0 30px;
}


.nf-calc-item {
    padding: 22px 18px;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 16px;
}


.nf-calc-item span {
    display: block;

    margin-bottom: 6px;

    color: var(--para);

    font-size: 0.84rem;
}


.nf-calc-item strong {
    display: block;

    font-size: 1.05rem;
}


.nf-calc-result {
    background: var(--green-soft);

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


.nf-calc-symbol {
    color: var(--primary);

    font-size: 1.5rem;
    font-weight: 900;

    text-align: center;
}


/* =========================================================
   INLINE TOOL
========================================================= */

.nf-inline-tool {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 20px;

    max-width: 820px;

    margin: 25px 0 34px;

    padding: 17px 20px;

    background: var(--green-soft);

    border: 1px solid var(--green-border);
    border-radius: 13px;
}


.nf-inline-tool span {
    color: var(--text);

    font-weight: 700;
}


/* =========================================================
   TABLE
========================================================= */

.nf-table-wrap {
    width: 100%;

    margin: 25px 0 27px;

    overflow-x: auto;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 17px;

    -webkit-overflow-scrolling: touch;
}


.nf-table {
    width: 100%;

    min-width: 650px;

    border-collapse: collapse;
}


.nf-table th,
.nf-table td {
    padding: 16px 18px;

    border-bottom: 1px solid var(--border);

    text-align: left;
}


.nf-table th {
    background: var(--card);

    color: var(--text);

    font-weight: 800;
}


.nf-table td {
    background: var(--article-surface);

    color: var(--para);
}


.nf-table tbody tr:last-child td {
    border-bottom: 0;
}


/* =========================================================
   INFO NOTE
========================================================= */

.nf-info-note {
    max-width: 820px;

    margin: 25px 0 35px;

    padding: 18px 20px;

    background: var(--green-soft);

    border: 1px solid var(--green-border);
    border-left: 4px solid var(--primary);

    border-radius: 13px;

    color: var(--para);
}


/* =========================================================
   FOOD LIST
========================================================= */

.nf-food-list {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 15px;

    margin: 28px 0 40px;
}


.nf-food-item {
    padding: 22px 23px;

    background: var(--article-soft);

    border: 1px solid var(--border);
    border-radius: 16px;
}


.nf-food-item p:last-child {
    margin-bottom: 0;
}


/* =========================================================
   CHECK LIST
========================================================= */

.nf-check-list {
    max-width: 820px;

    margin: 22px 0 29px;

    padding-left: 25px;
}


.nf-check-list li {
    margin-bottom: 10px;

    color: var(--para);
}


.nf-check-list li::marker {
    color: var(--primary);
}


/* =========================================================
   MISTAKES
========================================================= */

.nf-mistakes {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 14px;

    margin: 27px 0 42px;
}


.nf-mistakes > div {
    padding: 21px 22px;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 15px;
}


.nf-mistakes strong {
    display: block;

    margin-bottom: 6px;
}


.nf-mistakes p {
    margin-bottom: 0;

    font-size: 0.95rem;
}


/* =========================================================
   MEDICAL / SAFETY NOTE
========================================================= */

.nf-medical-note {
    width: 100%;

    margin: 48px 0;

    padding: 30px 31px;

    background: var(--article-soft);

    border: 1px solid var(--green-border);
    border-left: 5px solid var(--primary);

    border-radius: 20px;
}


.nf-note-label {
    display: inline-flex;

    margin-bottom: 4px;

    color: var(--primary);

    font-size: 0.8rem;
    font-weight: 900;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}


.nf-medical-note h2 {
    margin-top: 7px;
}


.nf-medical-note ul {
    margin: 20px 0 22px;

    padding-left: 23px;
}


.nf-medical-note li {
    margin-bottom: 8px;

    color: var(--para);
}


/* =========================================================
   FAQ
========================================================= */

.nf-faq-section {
    width: 100%;

    margin-top: 54px;
}


.nf-section-heading {
    margin-bottom: 25px;
}


.nf-section-heading > span {
    color: var(--primary);

    font-size: 0.8rem;
    font-weight: 900;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}


.nf-section-heading h2 {
    margin-top: 5px;
}


.nf-faq-item {
    width: 100%;

    margin-bottom: 13px;

    padding: 22px 24px;

    background: var(--article-surface);

    border: 1px solid var(--border);
    border-radius: 16px;
}


.nf-faq-item h3 {
    margin-bottom: 8px;
}


.nf-faq-item p:last-child {
    margin-bottom: 0;
}


/* =========================================================
   REFERENCES
========================================================= */

.nf-references {
    width: 100%;

    margin: 52px 0 45px;

    padding: 28px 30px;

    background: var(--article-soft);

    border: 1px solid var(--border);
    border-radius: 19px;
}


.nf-references h2 {
    margin-top: 0;
}


.nf-references ol {
    margin: 0;

    padding-left: 22px;
}


.nf-references li {
    margin-bottom: 13px;

    color: var(--para);

    overflow-wrap: anywhere;
}


/* =========================================================
   BOTTOM CTA
========================================================= */

.nf-bottom-cta {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 25px;

    width: 100%;

    margin-top: 48px;

    padding: 26px 28px;

    background: var(--dark-box);

    border-radius: 18px;
}


.nf-bottom-cta span {
    display: block;

    color: #ffffff;

    font-size: 1.04rem;
    font-weight: 800;
}


.nf-bottom-cta small {
    display: block;

    margin-top: 3px;

    color: rgba(255, 255, 255, 0.68);
}


.nf-article-content .nf-bottom-cta a {
    color: #6ee7b7;

    font-weight: 800;

    white-space: nowrap;
}


/* =========================================================
   DARK MODE EXTRA PROTECTION
========================================================= */

body.dark .nf-article-page {
    background: var(--bg);
}


body.dark .nf-article-hero,
body.dark .nf-factor-card,
body.dark .nf-step,
body.dark .nf-calc-item,
body.dark .nf-faq-item,
body.dark .nf-table-wrap,
body.dark .nf-table td,
body.dark .nf-mistakes > div {
    background: var(--article-surface);
}


body.dark .nf-article-content p,
body.dark .nf-article-content li,
body.dark .nf-article-lead {
    color: var(--para);
}


body.dark .nf-article-content h1,
body.dark .nf-article-content h2,
body.dark .nf-article-content h3,
body.dark .nf-article-content strong,
body.dark .nf-article-hero h1 {
    color: var(--text);
}


/* =========================================================
   LAPTOP
   <= 1200px
========================================================= */

@media (max-width: 1200px) {

    .nf-article-container {
        max-width: 1040px;
    }

    .nf-article-content {
        max-width: 900px;
    }

}


/* =========================================================
   TABLET LANDSCAPE
   <= 1024px
========================================================= */

@media (max-width: 1024px) {

    .nf-article-page {
        padding-left: 18px;
        padding-right: 18px;
    }


    .nf-article-hero {
        padding: 48px 43px 43px;
    }


    .nf-article-content {
        max-width: 880px;
    }


    .nf-calculation-example {
        grid-template-columns:
            1fr auto 1fr;
    }


    .nf-calc-result {
        grid-column: 1 / -1;
    }


    .nf-calculation-example
    .nf-calc-symbol:last-of-type {
        display: none;
    }

}


/* =========================================================
   TABLET / MOBILE
   <= 768px
========================================================= */

@media (max-width: 768px) {

    .nf-article-page {
        padding:
            28px 14px
            62px;
    }


    .nf-article-hero {
        padding:
            38px 27px
            33px;

        border-radius: 23px;
    }


    .nf-article-hero h1 {
        font-size:
            clamp(2rem, 8vw, 3rem);
    }


    .nf-article-lead {
        font-size: 1.05rem;
    }


    .nf-featured-image {
        margin-top: 25px;

        border-radius: 21px;
    }


    .nf-article-content {
        margin-top: 36px;

        padding: 0 2px;

        font-size: 1rem;
    }


    .nf-article-content h2 {
        margin-top: 43px;
    }


    /* CTA */

    .nf-tool-cta {
        align-items: flex-start;
        flex-direction: column;

        gap: 18px;

        padding: 23px;
    }


    /* Factors */

    .nf-factor-grid {
        grid-template-columns: 1fr;
    }


    /* Food */

    .nf-food-list {
        grid-template-columns: 1fr;
    }


    /* Mistakes */

    .nf-mistakes {
        grid-template-columns: 1fr;
    }


    /* Calculation */

    .nf-calculation-example {
        grid-template-columns: 1fr;

        gap: 9px;
    }


    .nf-calc-symbol {
        transform: rotate(90deg);

        line-height: 1;
    }


    .nf-calculation-example
    .nf-calc-symbol:last-of-type {
        display: block;
    }


    .nf-calc-result {
        grid-column: auto;
    }


    /* Inline Tool */

    .nf-inline-tool {
        align-items: flex-start;
        flex-direction: column;

        gap: 6px;
    }


    /* Safety */

    .nf-medical-note {
        padding: 24px;
    }


    /* References */

    .nf-references {
        padding: 24px;
    }


    /* Bottom CTA */

    .nf-bottom-cta {
        align-items: flex-start;
        flex-direction: column;

        gap: 15px;
    }


    .nf-article-content
    .nf-bottom-cta a {
        white-space: normal;
    }

}


/* =========================================================
   MOBILE
   <= 480px
========================================================= */

@media (max-width: 480px) {

    .nf-article-page {
        padding:
            19px 10px
            50px;
    }


    .nf-article-hero {
        padding:
            29px 19px
            26px;

        border-radius: 19px;
    }


    .nf-article-category {
        margin-bottom: 18px;

        padding: 7px 13px;

        font-size: 0.73rem;
    }


    .nf-article-hero h1 {
        font-size: 2rem;

        line-height: 1.14;

        letter-spacing: -0.025em;
    }


    .nf-article-lead {
        margin-top: 17px;

        font-size: 0.98rem;

        line-height: 1.65;
    }


    .nf-featured-image {
        border-radius: 17px;
    }


    .nf-article-content {
        margin-top: 29px;

        padding: 0;

        font-size: 0.97rem;

        line-height: 1.75;
    }


    .nf-article-content h2 {
        margin-top: 37px;

        font-size: 1.55rem;

        line-height: 1.3;
    }


    .nf-article-content h3 {
        font-size: 1.12rem;
    }


    /* CTA */

    .nf-tool-cta {
        padding: 19px;

        border-radius: 16px;
    }


    .nf-tool-cta h2 {
        font-size: 1.35rem;
    }


    .nf-article-content
    .nf-cta-button {
        width: 100%;

        white-space: normal;
    }


    /* Formula */

    .nf-formula-box {
        padding: 20px;

        border-radius: 14px;
    }


    .nf-formula-box strong {
        font-size: 1rem;
    }


    /* Cards */

    .nf-factor-card,
    .nf-food-item,
    .nf-mistakes > div,
    .nf-faq-item {
        padding: 19px;

        border-radius: 14px;
    }


    /* Steps */

    .nf-step {
        grid-template-columns: 1fr;

        gap: 12px;

        padding: 19px;

        border-radius: 15px;
    }


    .nf-step-number {
        width: 44px;
        height: 44px;

        border-radius: 12px;
    }


    /* Calculation */

    .nf-calc-item {
        padding: 18px;

        border-radius: 14px;
    }


    /* Lists */

    .nf-check-list,
    .nf-medical-note ul {
        padding-left: 21px;
    }


    /* Table */

    .nf-table {
        min-width: 600px;
    }


    .nf-table th,
    .nf-table td {
        padding: 14px;
    }


    /* Medical */

    .nf-medical-note {
        padding: 20px;

        border-radius: 16px;
    }


    /* References */

    .nf-references {
        padding: 20px;

        border-radius: 15px;
    }


    /* Bottom CTA */

    .nf-bottom-cta {
        padding: 20px;

        border-radius: 15px;
    }

}


/* =========================================================
   VERY SMALL MOBILE
   <= 360px
========================================================= */

@media (max-width: 360px) {

    .nf-article-page {
        padding-left: 8px;
        padding-right: 8px;
    }


    .nf-article-hero {
        padding:
            25px 16px
            23px;
    }


    .nf-article-hero h1 {
        font-size: 1.75rem;
    }


    .nf-article-content h2 {
        font-size: 1.42rem;
    }


    .nf-factor-card,
    .nf-step,
    .nf-food-item,
    .nf-faq-item,
    .nf-mistakes > div {
        padding: 17px;
    }

}