:root {
    --color-primary: #6a1b9a;
    --color-primary-dark: #581584;
    --color-accent: #f2c300;
    --color-bg: #f7f7f8;
    --color-surface: #ffffff;
    --color-text: #1f2937;
    --color-muted: #6b7280;
    --color-border: #e5e7eb;
    --radius: 16px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.08);
    --container: 1120px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-padding-top: 100px;
}

body.erfi-modern {
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 17px;
    line-height: 1.6;
    letter-spacing: normal;
    color: var(--color-text);
    background: var(--color-bg);
}

.erfi-modern .container {
    width: min(var(--container), calc(100% - 2rem));
    max-width: var(--container);
}

.erfi-modern h1,
.erfi-modern h2,
.erfi-modern h3 {
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0 0 0.75rem;
}

.erfi-modern h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
}

.erfi-modern h2 {
    font-size: clamp(1.65rem, 2.7vw, 2.2rem);
    font-weight: 700;
}

.erfi-modern h3 {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 700;
}

.erfi-modern p {
    max-width: 68ch;
    margin: 0 0 0.8rem;
    color: var(--color-text);
}

.erfi-modern a {
    color: var(--color-primary);
}

.erfi-modern a.btn-primary,
.erfi-modern button.btn-primary,
.erfi-modern .btn.btn-primary {
    color: #fff;
}

.erfi-modern a.btn-secondary,
.erfi-modern button.btn-secondary,
.erfi-modern .btn.btn-secondary {
    color: var(--color-primary);
}

.erfi-modern img {
    max-width: 100%;
    height: auto;
    display: block;
}

.erfi-modern .section {
    padding: 64px 0;
}

.erfi-modern .section-tint {
    background: linear-gradient(180deg, #fff 0%, #f8f4fc 100%);
}

.erfi-modern .section-head {
    text-align: center;
    margin-bottom: 2rem;
}

.erfi-modern .section-head p {
    margin-inline: auto;
    color: var(--color-muted);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
    z-index: 10000;
    background: #fff;
    color: #111;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
}

.erfi-modern a:focus-visible,
.erfi-modern button:focus-visible,
.erfi-modern input:focus-visible,
.erfi-modern select:focus-visible,
.erfi-modern textarea:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.7rem 1.2rem;
    min-height: 44px;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    line-height: 1.1;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: rgba(106, 27, 154, 0.08);
    color: var(--color-primary);
}

.btn-accent {
    background: #f2c300;
    color: #111827;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn-accent:hover,
.btn-accent:focus-visible {
    filter: brightness(0.95);
    color: #111827;
}

.btn-link {
    padding: 0;
    border: 0;
    border-radius: 0;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
}

.btn-link:hover {
    text-decoration: underline;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    padding: 1.25rem;
    border: 1px solid var(--color-border);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header__inner {
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-logo img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    display: block;
    visibility: visible;
    opacity: 1;
}

.site-logo {
    flex: 0 0 auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-nav__links {
    display: flex;
    align-items: center;
    gap: 0.05rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav__links a {
    color: var(--color-text);
    padding: 0.5rem 0.6rem;
    border-radius: 999px;
    font-size: 0.88rem;
    white-space: nowrap;
}

.site-nav__links a:hover {
    background: rgba(106, 27, 154, 0.1);
    color: var(--color-primary);
}

.site-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--color-muted);
}

.lang-switch a {
    color: var(--color-muted);
    font-weight: 600;
}

.lang-switch a.active {
    color: var(--color-primary);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: #fff;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: #111;
}

.hero {
    position: relative;
    padding: 0;
    min-height: min(84vh, 760px);
    display: flex;
    align-items: flex-end;
    color: #fff;
}

.hero__media,
.hero__media img,
.hero__overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero__media img {
    object-fit: cover;
}

.hero__overlay {
    background: linear-gradient(150deg, rgba(21, 16, 32, 0.82) 20%, rgba(21, 16, 32, 0.15) 70%);
}

.hero__content {
    position: relative;
    z-index: 2;
    padding-bottom: 6rem;
}

.hero__content h1,
.hero__content p {
    color: #fff;
}

.hero__content p {
    max-width: 58ch;
    font-size: 1.05rem;
}

.hero__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.trust-badges {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 14px;
    padding: 0;
    list-style: none;
    flex-wrap: wrap;
}

.trust-badges__item {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 13px;
    line-height: 1;
    color: #111827;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.mission-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.4rem;
    align-items: stretch;
}

.mission-media img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: calc(var(--radius) - 4px);
}

.mission-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}

.pillars-grid {
    margin-top: 1.4rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.pillar-card {
    border-top: 4px solid var(--color-primary);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.support-card p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    color: var(--color-muted);
}

.support-icon {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(106, 27, 154, 0.12);
    color: var(--color-primary);
    margin-bottom: 0.7rem;
}

.volunteer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.volunteer-card {
    text-align: center;
}

.avatar {
    width: 64px;
    height: 64px;
    margin: 0 auto 0.7rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), #8b2bbf);
    color: #fff;
    font-weight: 700;
}

.role {
    color: var(--color-primary);
    font-weight: 600;
}

.volunteer-links {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 0.7rem;
}

.volunteer-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
}

.volunteer-links a:hover {
    background: rgba(106, 27, 154, 0.1);
}

.join-team {
    margin-top: 1.2rem;
    text-align: center;
}

.join-team p {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.join-team ul {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.join-team li {
    display: inline-flex;
    padding: 0.35rem 0.75rem;
    background: rgba(106, 27, 154, 0.08);
    border-radius: 999px;
    color: var(--color-text);
    font-size: 0.9rem;
}

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

.gallery-item {
    margin: 0;
}

.gallery-trigger {
    border: 0;
    padding: 0;
    display: block;
    width: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: #fff;
}

.gallery-trigger img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.gallery-trigger:hover img {
    transform: scale(1.03);
}

.gallery-item figcaption {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-top: 0.45rem;
}

.impact {
    background: #fff;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.impact-card {
    text-align: center;
}

.impact-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.impact-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin: 0;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.impact-unit {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.75;
    margin-top: 8px;
    margin-bottom: 0;
}

.impact-label {
    margin-top: 6px;
    margin-bottom: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.impact-transport-note {
    color: var(--color-muted);
    margin-bottom: 0.5rem;
}

.impact-note {
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.event-card p {
    color: var(--color-muted);
}

.event-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 0.8rem;
}

.mobile-carousel-more,
.mobile-recent-label {
    display: none;
}

.join-inline {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.2rem;
    align-items: center;
}

.join-inline img {
    width: 260px;
    border-radius: var(--radius);
}

.message-container p {
    font-weight: 600;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1rem;
}

.erfi-modern .form-control {
    border-radius: 12px;
    border: 1px solid #d1d5db;
    min-height: 46px;
}

.address-grid p {
    color: var(--color-muted);
}

.site-footer {
    background: #0b1220;
    color: #e5e7eb;
    padding: 48px 0 18px;
}

.site-footer p {
    color: #e5e7eb;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.2rem;
}

.site-footer__col h3 {
    color: #f9fafb;
    font-size: 1rem;
    margin-bottom: 0.7rem;
}

.site-footer__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.35rem;
}

.site-footer__col a {
    color: #c7d2fe;
}

.site-footer__col a:hover {
    color: #a78bfa;
    text-decoration: underline;
}

.site-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: #f9fafb;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.site-footer__brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.site-footer__muted {
    color: rgba(229, 231, 235, 0.76);
}

.site-footer__bottom {
    margin-top: 1.2rem;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 1rem;
    align-items: center;
    justify-content: space-between;
}

.site-footer__bottom p {
    margin: 0;
    color: #e5e7eb;
}

.site-footer__dev {
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-top-link {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.footer-top-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
}

.lightbox.is-open {
    display: flex;
}

.lightbox-image {
    max-width: min(100%, 980px);
    max-height: 86vh;
    object-fit: contain;
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    border: 0;
    border-radius: 999px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

.lightbox-close {
    top: 1rem;
    right: 1rem;
}

.lightbox-nav.prev {
    left: 1rem;
}

.lightbox-nav.next {
    right: 1rem;
}

@media (max-width: 1100px) {
    .site-nav {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        padding: 1rem;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        transition: transform 0.25s ease;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .site-nav.open {
        transform: translateY(0);
    }

    .site-nav__links {
        flex-direction: column;
        align-items: stretch;
        gap: 0.2rem;
    }

    .site-nav__actions {
        margin-top: auto;
        border-top: 1px solid var(--color-border);
        padding-top: 0.75rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .site-nav__actions .btn {
        width: 100%;
        min-height: 44px;
    }

    .lang-switch {
        justify-content: center;
    }

    .menu-toggle {
        display: inline-flex;
    }
}

@media (max-width: 992px) {
    .erfi-modern .section {
        padding: 52px 0;
    }

    .mission-grid,
    .contact-layout,
    .join-inline {
        grid-template-columns: 1fr;
    }

    .pillars-grid,
    .support-grid,
    .volunteer-grid,
    .impact-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .join-inline img {
        width: 180px;
    }
}

@media (max-width: 640px) {
    .erfi-modern {
        font-size: 16px;
    }

    .erfi-modern .section {
        padding: 40px 0;
    }

    .hero__content {
        padding-bottom: 4.5rem;
    }

    .hero__overlay {
        background: linear-gradient(160deg, rgba(21, 16, 32, 0.9) 24%, rgba(21, 16, 32, 0.25) 72%);
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .pillars-grid,
    .support-grid,
    .volunteer-grid,
    .impact-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .impact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trust-badges {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
        padding-bottom: 4px;
    }

    .trust-badges::-webkit-scrollbar {
        display: none;
    }

    .trust-badges__item {
        flex: 0 0 auto;
    }
}

@media (max-width: 768px) {
    .mobile-carousel {
        display: flex;
        gap: 16px;
        overflow-x: auto;
        padding: 0 16px 12px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        margin-left: -16px;
        margin-right: -16px;
    }

    .mobile-carousel::-webkit-scrollbar {
        display: none;
    }

    .mobile-carousel__item {
        flex: 0 0 88%;
        scroll-snap-align: start;
        min-width: 0;
    }

    .mobile-carousel-more {
        display: flex;
        justify-content: center;
        margin-top: 0.5rem;
    }

    .mobile-recent-label {
        display: block;
        margin: 0 auto 0.6rem;
        color: var(--color-muted);
        font-size: 0.9rem;
        font-weight: 600;
    }

    .site-footer {
        padding: 36px 0 16px;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .site-footer__bottom {
        align-items: flex-start;
    }
}