/* =========================================================
   KHAYA'S ACADEMIC STUDIO
   PREMIUM BLACK / WHITE / GOLD
   ========================================================= */

:root {
    --black: #080808;
    --black-soft: #111111;
    --white: #ffffff;
    --off-white: #f5f5f2;
    --grey: #777777;
    --light-grey: #e8e8e5;
    --gold: #c9a227;
    --border: #ddddda;

    --max-width: 1240px;
}


* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;
    background: var(--white);
    color: var(--black);
    font-family:
        Arial,
        Helvetica,
        sans-serif;
    line-height: 1.6;
}


button,
input,
select,
textarea {
    font: inherit;
}


a {
    color: inherit;
    text-decoration: none;
}


button {
    font-family: inherit;
}


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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(8, 8, 8, 0.97);

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


.header-inner {
    width: min(
        calc(100% - 48px),
        var(--max-width)
    );

    min-height: 82px;

    margin: auto;

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

    gap: 30px;
}


/* =========================================================
   BRAND
   ========================================================= */

.brand {
    display: flex;
    flex-direction: column;

    flex-shrink: 0;
}


.brand-main {
    color: var(--white);

    font-size: 18px;
    font-weight: 900;

    letter-spacing: 0.18em;
}


.brand-sub {
    color: var(--gold);

    font-size: 8px;
    font-weight: 800;

    letter-spacing: 0.34em;

    margin-top: 2px;
}


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

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;

    gap: 22px;
}


.main-nav a {
    color: #d6d6d6;

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.12em;

    transition: 0.2s ease;
}


.main-nav a:hover {
    color: var(--gold);
}


/* =========================================================
   ADMINISTRATOR BUTTON
   ========================================================= */

.administrator-button {
    appearance: none;

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

    background:
        var(--gold);

    color:
        var(--black);

    padding:
        10px 14px;

    font-size: 9px;

    font-weight: 900;

    letter-spacing: 0.13em;

    cursor: pointer;

    white-space: nowrap;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease;
}


.administrator-button:hover {
    background: transparent;
    color: var(--gold);

    transform: translateY(-1px);
}


.administrator-button:focus {
    outline:
        2px solid
        var(--gold);

    outline-offset: 3px;
}


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

.hero {
    background:
        linear-gradient(
            135deg,
            #080808 0%,
            #141414 100%
        );

    color: var(--white);

    min-height: 650px;

    display: flex;
    align-items: center;
}


.hero-inner {
    width: min(
        calc(100% - 48px),
        var(--max-width)
    );

    margin: auto;

    padding:
        100px 0;
}


.hero-label,
.eyebrow {
    font-size: 10px;
    font-weight: 900;

    letter-spacing: 0.25em;

    color: var(--gold);

    margin-bottom: 18px;
}


.hero h1 {
    margin: 0;

    max-width: 850px;

    font-size:
        clamp(
            52px,
            7vw,
            92px
        );

    line-height: 0.96;

    letter-spacing: -0.045em;
}


.hero h1 span {
    color: #bdbdbd;
}


.hero-description {
    max-width: 620px;

    margin:
        35px 0 0;

    color: #cfcfcf;

    font-size: 17px;

    line-height: 1.8;
}


.hero-actions {
    margin-top: 40px;

    display: flex;

    gap: 12px;

    flex-wrap: wrap;
}


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

.button {
    display: inline-flex;

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

    min-height: 48px;

    padding:
        0 22px;

    font-size: 10px;

    font-weight: 900;

    letter-spacing: 0.14em;

    transition: 0.2s ease;
}


.button-dark {
    background: var(--white);

    color: var(--black);
}


.button-dark:hover {
    background: var(--gold);
}


.button-outline {
    border:
        1px solid
        rgba(255, 255, 255, 0.4);

    color: var(--white);
}


.button-outline:hover {
    border-color: var(--gold);

    color: var(--gold);
}


/* =========================================================
   SECTIONS
   ========================================================= */

.section {
    width: min(
        calc(100% - 48px),
        var(--max-width)
    );

    margin: auto;

    padding:
        110px 0;
}


.section-heading {
    display: grid;

    grid-template-columns:
        90px
        1fr;

    gap: 25px;

    margin-bottom: 60px;
}


.section-number {
    color: var(--gold);

    font-size: 12px;

    font-weight: 900;

    letter-spacing: 0.15em;

    padding-top: 7px;

    border-top:
        1px solid
        var(--gold);
}


.section-heading h2 {
    margin: 0;

    font-size:
        clamp(
            38px,
            5vw,
            62px
        );

    line-height: 1;

    letter-spacing: -0.04em;
}


.section-heading h2 em,
.house-call-section h2 em,
.additional-box h2 em,
.contact-section h2 em,
.admin-header h2 em {
    font-style: normal;

    color: var(--gold);
}


.section-intro {
    max-width: 650px;

    color: var(--grey);

    margin-top: 22px;

    font-size: 15px;
}


/* =========================================================
   SUPPORT CARDS
   ========================================================= */

.support-grid {
    display: grid;

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

    gap: 1px;

    background: var(--border);

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


.support-card {
    background: var(--white);

    min-height: 280px;

    padding: 40px;
}


.card-number {
    color: var(--gold);

    font-size: 10px;

    font-weight: 900;

    letter-spacing: 0.2em;
}


.support-card h3 {
    margin:
        50px 0 15px;

    font-size: 23px;

    letter-spacing: -0.02em;
}


.support-card p {
    margin: 0;

    color: var(--grey);

    font-size: 14px;

    line-height: 1.8;
}


/* =========================================================
   RESOURCES
   ========================================================= */

.resources-section {
    background: var(--off-white);
}


.resource-filters {
    display: flex;

    gap: 12px;

    margin-bottom: 35px;

    flex-wrap: wrap;
}


.resource-filters select {
    min-width: 200px;

    border:
        1px solid
        #cfcfcb;

    background: var(--white);

    color: var(--black);

    padding:
        13px 15px;

    font-size: 10px;

    font-weight: 800;

    letter-spacing: 0.1em;
}


.resource-grid {
    display: grid;

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

    gap: 18px;
}


.resource-card {
    background: var(--white);

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

    padding: 28px;

    min-height: 260px;

    display: flex;

    flex-direction: column;

    justify-content: space-between;

    transition: 0.2s ease;
}


.resource-card:hover {
    border-color: var(--gold);

    transform:
        translateY(-3px);
}


.resource-card-meta {
    display: flex;

    justify-content: space-between;

    gap: 10px;

    margin-bottom: 20px;
}


.resource-card-grade,
.resource-card-subject {
    font-size: 8px;

    font-weight: 900;

    letter-spacing: 0.12em;

    color: var(--gold);
}


.resource-card h3 {
    margin: 0;

    font-size: 21px;

    line-height: 1.2;
}


.resource-card p {
    color: var(--grey);

    font-size: 13px;

    line-height: 1.7;
}


.resource-view {
    display: inline-flex;

    align-items: center;

    align-self: flex-start;

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

    padding:
        10px 14px;

    font-size: 9px;

    font-weight: 900;

    letter-spacing: 0.12em;

    transition: 0.2s ease;
}


.resource-view:hover {
    background: var(--black);

    color: var(--white);
}


.resource-empty {
    text-align: center;

    padding:
        80px 20px;

    border:
        1px dashed
        #cfcfcb;
}


.resource-empty h3 {
    margin:
        15px 0 5px;
}


.resource-empty p {
    margin: 0;

    color: var(--grey);
}


.empty-icon {
    color: var(--gold);

    font-size: 30px;

    font-weight: 900;
}


/* =========================================================
   HOUSE CALLS
   ========================================================= */

.house-call-section {
    background: var(--black);

    color: var(--white);
}


.house-call-inner {
    width: min(
        calc(100% - 48px),
        var(--max-width)
    );

    margin: auto;

    padding:
        110px 0;

    display: grid;

    grid-template-columns:
        1.4fr
        0.6fr;

    gap: 80px;

    align-items: center;
}


.eyebrow.light {
    color: var(--gold);
}


.house-call-section h2 {
    margin: 0;

    font-size:
        clamp(
            40px,
            5vw,
            68px
        );

    line-height: 1;

    letter-spacing: -0.04em;
}


.house-call-inner > p {
    color: #bdbdbd;

    font-size: 15px;

    line-height: 1.9;
}


/* =========================================================
   ADDITIONAL RESOURCES
   ========================================================= */

.additional-section {
    padding:
        90px 0;
}


.additional-box {
    border:
        1px solid
        var(--border);

    padding:
        60px;

    background:
        linear-gradient(
            135deg,
            #ffffff,
            #f4f4f1
        );
}


.additional-box h2 {
    margin: 0;

    font-size:
        clamp(
            36px,
            5vw,
            60px
        );

    line-height: 1;

    letter-spacing: -0.04em;
}


.additional-box p {
    max-width: 650px;

    color: var(--grey);

    margin:
        25px 0 30px;
}


/* =========================================================
   CONTACT
   ========================================================= */

.contact-section {
    background: var(--black);

    color: var(--white);
}


.contact-inner {
    width: min(
        calc(100% - 48px),
        var(--max-width)
    );

    margin: auto;

    padding:
        110px 0;

    display: grid;

    grid-template-columns:
        1.4fr
        0.6fr;

    gap: 70px;

    align-items: center;
}


.contact-section h2 {
    margin: 0;

    font-size:
        clamp(
            40px,
            5vw,
            68px
        );

    line-height: 1;

    letter-spacing: -0.04em;
}


.contact-action {
    display: flex;

    flex-direction: column;

    align-items: flex-start;
}


.contact-action p {
    color: #bdbdbd;

    margin-top: 0;
}


.whatsapp-button {
    display: inline-flex;

    min-height: 50px;

    align-items: center;

    padding:
        0 22px;

    background: var(--gold);

    color: var(--black);

    font-size: 10px;

    font-weight: 900;

    letter-spacing: 0.14em;

    margin-bottom: 12px;
}


.contact-action span {
    color: #999;

    font-size: 12px;
}


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

.site-footer {
    background: #050505;

    color: #aaa;

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


.footer-inner {
    width: min(
        calc(100% - 48px),
        var(--max-width)
    );

    min-height: 100px;

    margin: auto;

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 30px;
}


.footer-inner strong {
    display: block;

    color: var(--white);

    font-size: 11px;

    letter-spacing: 0.16em;
}


.footer-inner span {
    display: block;

    color: #777;

    font-size: 10px;

    margin-top: 5px;
}


.footer-right {
    color: #666;

    font-size: 10px;
}


/* =========================================================
   ADMIN MODAL
   ========================================================= */

.admin-modal {
    position: fixed;

    inset: 0;

    z-index: 1000;

    display: none;

    align-items: center;

    justify-content: center;

    padding: 20px;
}


.admin-modal[aria-hidden="false"] {
    display: flex;
}


.admin-backdrop {
    position: absolute;

    inset: 0;

    background:
        rgba(0, 0, 0, 0.82);
}


.admin-panel {
    position: relative;

    z-index: 2;

    width: min(
        900px,
        100%
    );

    max-height:
        calc(100vh - 40px);

    overflow-y: auto;

    background: var(--white);

    color: var(--black);

    box-shadow:
        0 30px 100px
        rgba(0, 0, 0, 0.45);
}


.admin-close {
    position: absolute;

    top: 18px;

    right: 20px;

    width: 38px;

    height: 38px;

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

    background: var(--white);

    color: var(--black);

    font-size: 24px;

    cursor: pointer;
}


.admin-header {
    padding:
        50px 50px 30px;

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


.admin-header h2 {
    margin: 0;

    font-size: 42px;

    line-height: 1;
}


.admin-status {
    color: var(--grey);

    font-size: 13px;

    margin-bottom: 0;
}


/* =========================================================
   LOGIN + ADMIN FORMS
   ========================================================= */

#loginPanel,
#adminPanel {
    padding:
        35px 50px 50px;
}


#loginForm,
#resourceForm {
    display: flex;

    flex-direction: column;

    gap: 18px;
}


#loginForm label,
#resourceForm label {
    display: flex;

    flex-direction: column;

    gap: 7px;

    color: #333;

    font-size: 10px;

    font-weight: 900;

    letter-spacing: 0.1em;
}


#loginForm input,
#resourceForm input,
#resourceForm select,
#resourceForm textarea {
    width: 100%;

    border:
        1px solid
        #ccccca;

    background: #fff;

    color: #111;

    padding:
        13px 14px;

    font-size: 13px;

    font-weight: 400;

    letter-spacing: normal;

    outline: none;
}


#loginForm input:focus,
#resourceForm input:focus,
#resourceForm select:focus,
#resourceForm textarea:focus {
    border-color: var(--gold);
}


.form-grid {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    gap: 18px;
}


.admin-submit {
    border:
        1px solid
        var(--gold);

    background: var(--black);

    color: var(--white);

    padding:
        15px 20px;

    font-size: 10px;

    font-weight: 900;

    letter-spacing: 0.15em;

    cursor: pointer;

    transition: 0.2s ease;
}


.admin-submit:hover {
    background: var(--gold);

    color: var(--black);
}


.login-message {
    margin: 0;

    color: #b00020;

    font-size: 12px;
}


/* =========================================================
   ADMIN TOOLBAR
   ========================================================= */

.admin-toolbar {
    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 20px;
}


.admin-toolbar strong {
    display: block;

    font-size: 12px;

    letter-spacing: 0.12em;
}


.admin-toolbar small {
    display: block;

    color: var(--grey);

    margin-top: 4px;
}


.sign-out-button {
    border:
        1px solid
        var(--black);

    background: var(--white);

    padding:
        10px 14px;

    font-size: 9px;

    font-weight: 900;

    letter-spacing: 0.1em;

    cursor: pointer;
}


.sign-out-button:hover {
    background: var(--black);

    color: var(--white);
}


.admin-divider {
    height: 1px;

    background: var(--border);

    margin:
        35px 0;
}


.admin-section-title {
    color: var(--gold);

    font-size: 10px;

    font-weight: 900;

    letter-spacing: 0.18em;

    margin-bottom: 18px;
}


/* =========================================================
   RESOURCE MANAGER
   ========================================================= */

.manager-list {
    display: flex;

    flex-direction: column;

    gap: 12px;
}


.manager-item {
    border:
        1px solid
        var(--border);

    padding: 18px;

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 20px;
}


.manager-item h3 {
    margin: 0;

    font-size: 15px;
}


.manager-item small {
    display: block;

    color: var(--grey);

    margin-top: 4px;
}


.manager-actions {
    display: flex;

    gap: 7px;

    flex-wrap: wrap;

    justify-content: flex-end;
}


.manager-actions button {
    border:
        1px solid
        var(--black);

    background: var(--white);

    padding:
        8px 10px;

    font-size: 8px;

    font-weight: 900;

    letter-spacing: 0.08em;

    cursor: pointer;
}


.manager-actions button:hover {
    background: var(--black);

    color: var(--white);
}


.manager-badge {
    display: inline-block;

    margin-top: 8px;

    padding:
        4px 7px;

    font-size: 7px;

    font-weight: 900;

    letter-spacing: 0.1em;
}


.manager-badge.public {
    background: #111;

    color: white;
}


.manager-badge.private {
    background: #eee;

    color: #555;
}


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

@media (max-width: 1000px) {

    .main-nav {
        gap: 12px;
    }

    .main-nav a {
        display: none;
    }

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

}


@media (max-width: 750px) {

    .header-inner {
        min-height: 70px;
    }

    .brand-main {
        font-size: 15px;
    }

    .brand-sub {
        font-size: 7px;
    }

    .administrator-button {
        padding:
            9px 10px;

        font-size: 8px;
    }


    .hero {
        min-height: 580px;
    }


    .hero-inner {
        padding:
            80px 0;
    }


    .section {
        padding:
            75px 0;
    }


    .section-heading {
        grid-template-columns:
            1fr;

        gap: 15px;
    }


    .support-grid {
        grid-template-columns:
            1fr;
    }


    .resource-grid {
        grid-template-columns:
            1fr;
    }


    .house-call-inner,
    .contact-inner {
        grid-template-columns:
            1fr;

        gap: 35px;
    }


    .additional-box {
        padding: 35px 25px;
    }


    .footer-inner {
        flex-direction: column;

        align-items: flex-start;

        justify-content: center;

        padding:
            30px 0;
    }


    .admin-header,
    #loginPanel,
    #adminPanel {
        padding-left: 25px;
        padding-right: 25px;
    }


    .admin-header h2 {
        font-size: 34px;
    }


    .form-grid {
        grid-template-columns:
            1fr;
    }


    .manager-item {
        flex-direction: column;

        align-items: flex-start;
    }


    .manager-actions {
        justify-content: flex-start;
    }

}