/**
 * Site v3 — внутренние страницы, dropdown «Материалы», explore hub
 *
 * @package My_Portfolio
 */

/* ── Unified nav: active link ── */
.kharag-ref01 .ref01-pill-nav a.is-active,
.kharag-ref01 .ref01-nav-dropdown__link.is-active {
    color: var(--ref01-accent);
    background: var(--ref01-hover-bg);
    font-weight: 600;
}

.kharag-ref01 .ref01-nav-item--dropdown.is-active > .ref01-nav-dropdown__trigger {
    color: var(--ref01-accent);
    background: var(--ref01-hover-bg);
}

/* ── Materials dropdown (desktop) ── */
.ref01-nav-item--dropdown {
    position: relative;
}

.ref01-nav-dropdown__trigger {
    display: inline-flex;
    align-items: center;
    gap: var(--ref01-space-4);
    min-height: 44px;
    padding: var(--ref01-space-8) var(--ref01-space-16);
    border: none;
    border-radius: var(--ref01-radius-pill);
    background: transparent;
    font-family: var(--ref01-font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ref01-ink-muted);
    cursor: pointer;
    transition: color 200ms var(--ref01-ease), background 200ms var(--ref01-ease);
}

.ref01-nav-dropdown__trigger:hover,
.ref01-nav-dropdown__trigger:focus-visible,
.ref01-nav-dropdown__trigger[aria-expanded="true"] {
    color: var(--ref01-accent);
    background: var(--ref01-hover-bg);
    outline: none;
}

.ref01-nav-dropdown__chevron {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 200ms var(--ref01-ease);
}

.ref01-nav-dropdown__trigger[aria-expanded="true"] .ref01-nav-dropdown__chevron {
    transform: rotate(-135deg) translateY(1px);
}

.ref01-nav-dropdown__panel {
    position: absolute;
    top: calc(100% + var(--ref01-space-8));
    left: 50%;
    transform: translateX(-50%);
    z-index: 120;
    min-width: 12rem;
    margin: 0;
    padding: var(--ref01-space-8);
    list-style: none;
    border: 1px solid var(--ref01-border);
    border-radius: var(--ref01-radius-lg);
    background: var(--ref01-surface-elevated);
    box-shadow: var(--ref01-shadow-card);
}

.ref01-nav-dropdown__link {
    display: block;
    padding: var(--ref01-space-12) var(--ref01-space-16);
    border-radius: var(--ref01-radius-sm);
    color: var(--ref01-ink);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background 150ms var(--ref01-ease), color 150ms var(--ref01-ease);
}

.ref01-nav-dropdown__link:hover,
.ref01-nav-dropdown__link:focus-visible {
    background: var(--ref01-hover-bg);
    color: var(--ref01-accent);
    outline: none;
}

/* ── Mobile drawer extensions ── */
.ref01-mobile-drawer .is-active {
    color: var(--ref01-accent);
    font-weight: 600;
}

.ref01-mobile-nav__group {
    border-top: 1px solid var(--ref01-border);
    margin-top: var(--ref01-space-4);
    padding-top: var(--ref01-space-4);
}

.ref01-mobile-nav__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--ref01-space-12) var(--ref01-space-16);
    border: none;
    border-radius: var(--ref01-radius-sm);
    background: transparent;
    color: var(--ref01-ink);
    font-family: var(--ref01-font-display);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
}

.ref01-mobile-nav__toggle:hover,
.ref01-mobile-nav__toggle:focus-visible,
.ref01-mobile-nav__toggle[aria-expanded="true"] {
    background: var(--ref01-hover-bg);
    outline: none;
}

.ref01-mobile-nav__chevron {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform 200ms var(--ref01-ease);
}

.ref01-mobile-nav__toggle[aria-expanded="true"] .ref01-mobile-nav__chevron {
    transform: rotate(-135deg);
}

.ref01-mobile-nav__subpanel {
    display: flex;
    flex-direction: column;
    gap: var(--ref01-space-4);
    padding: 0 var(--ref01-space-8) var(--ref01-space-8);
}

.ref01-mobile-nav__sublink {
    display: block;
    padding: var(--ref01-space-8) var(--ref01-space-16);
    border-radius: var(--ref01-radius-sm);
    color: var(--ref01-ink-muted);
    text-decoration: none;
}

.ref01-mobile-nav__sublink:hover,
.ref01-mobile-nav__sublink.is-active {
    color: var(--ref01-accent);
    background: var(--ref01-hover-bg);
}

.ref01-mobile-drawer__cta {
    margin-top: var(--ref01-space-8);
    padding-top: var(--ref01-space-12);
    border-top: 1px solid var(--ref01-border);
    font-weight: 600;
    color: var(--ref01-accent) !important;
}

/* ── About section ── */
.ref01-about {
    padding-block: var(--ref01-section-pad);
}

.ref01-about__body {
    display: grid;
    gap: var(--ref01-space-16);
    max-width: 72ch;
}

.ref01-about__text {
    margin: 0;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--ref01-ink-muted);
}

.ref01-section-header--left {
    text-align: left;
    margin-bottom: var(--ref01-space-24);
}

/* ── Explore hub cards ── */
.ref01-explore-hub {
    padding-block: var(--ref01-section-pad);
}

.ref01-explore-hub__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--ref01-space-16);
    list-style: none;
    margin: var(--ref01-space-32) 0 0;
    padding: 0;
}

.ref01-explore-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--ref01-space-24);
    border: 1px solid var(--ref01-border);
    border-radius: var(--ref01-radius-lg);
    background: var(--ref01-surface);
    box-shadow: var(--ref01-shadow-soft);
    transition: transform 200ms var(--ref01-ease), box-shadow 200ms var(--ref01-ease), border-color 200ms var(--ref01-ease);
}

@media (hover: hover) {
    .ref01-explore-card:hover {
        transform: translateY(-2px);
        border-color: color-mix(in srgb, var(--ref01-accent) 35%, var(--ref01-border));
        box-shadow: var(--ref01-shadow-card);
    }
}

.ref01-explore-card__title {
    margin: 0 0 var(--ref01-space-12);
    font-size: 1.25rem;
    font-weight: 700;
}

.ref01-explore-card__title a {
    color: var(--ref01-ink);
    text-decoration: none;
}

.ref01-explore-card__title a:hover {
    color: var(--ref01-accent);
}

.ref01-explore-card__text {
    margin: 0 0 var(--ref01-space-16);
    flex: 1;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--ref01-ink-muted);
}

.ref01-explore-card__links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ref01-space-8) var(--ref01-space-16);
    list-style: none;
    margin: 0 0 var(--ref01-space-16);
    padding: 0;
    font-size: 0.8125rem;
}

.ref01-explore-card__links a {
    color: var(--ref01-accent);
    text-decoration: none;
}

.ref01-explore-card__links a:hover {
    text-decoration: underline;
}

.ref01-explore-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--ref01-space-8);
    margin-top: auto;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ref01-accent);
    text-decoration: none;
}

.ref01-explore-card__cta:hover {
    opacity: 0.85;
}

/* ── Page heroes (inner pages) ── */
.page-education--ref01 .ref01-services,
.page-services--ref01 .ref01-services,
.page-cases--ref01 .ref01-cases {
    margin-top: 0;
    padding-top: var(--ref01-section-pad);
}

/* ── Hero без маскота ── */
.ref01-hero--no-mascot .ref01-hero__visual {
    min-height: 320px;
}

.ref01-hero--no-mascot .ref01-hero__stage {
    min-height: 280px;
}

.ref01-hero__visual--abstract .ref01-hero__glow {
    inset: 10% 10% 20%;
    opacity: 0.9;
}

.ref01-hero__orb {
    position: relative;
    z-index: 1;
    width: min(280px, 70%);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--ref01-accent-glow) 0%, transparent 65%),
        radial-gradient(circle at 70% 75%, color-mix(in srgb, var(--ref01-accent) 25%, transparent) 0%, transparent 55%);
    border: 1px solid color-mix(in srgb, var(--ref01-accent) 20%, var(--ref01-border));
}

.ref01-contact-cta--no-mascot .ref01-contact-cta__inner {
    justify-content: center;
    text-align: center;
}

.ref01-contact-cta--no-mascot .ref01-contact-cta__copy {
    max-width: 52ch;
    margin-inline: auto;
}

.ref01-contact-cta--no-mascot .ref01-contact-cta__actions {
    justify-content: center;
}

.ref01-education__shell--no-mascot .ref01-education__layout,
.ref01-kovcheg__shell--no-mascot .ref01-kovcheg__layout {
    grid-column: 1 / -1;
}

.ref01-education__shell--no-mascot,
.ref01-kovcheg__shell--no-mascot {
    display: block;
}

@media (max-width: 767px) {
    .ref01-explore-hub__grid {
        grid-template-columns: 1fr;
    }

    .ref01-hero__layout {
        grid-template-columns: 1fr;
    }

    .ref01-hero__visual {
        min-height: 240px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ref01-nav-dropdown__chevron,
    .ref01-mobile-nav__chevron,
    .ref01-explore-card {
        transition: none;
    }
}