@import url("https://fonts.googleapis.com/css2?family=Prompt:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&display=swap");

:root {
    --blue-deep: #003366;
    --blue-mid: #004f9f;
    --blue-light: #1a6fbd;
    --blue-pale: #dce8f5;
    --white: #ffffff;
    --off-white: #f7f9fc;
    --gray-light: #e8edf4;
    --gray-mid: #8a9bb0;
    --gray-dark: #3a4a5c;
    --gold: #b08d57;
    --green: #06a94a;
    --font-display: "Prompt", sans-serif;
    --font-body: "Prompt", sans-serif;
    --nav-h: 72px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: var(--font-body);
    color: var(--gray-dark);
    background: var(--white);
    overflow-x: hidden;
}

/* ─── NAVIGATION ─────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-light);
    transition: box-shadow var(--transition);
}
nav.scrolled {
    box-shadow: 0 2px 24px rgba(0, 51, 102, 0.08);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.nav-logo-img {
    height: 36px;
    width: auto;
    display: block;
    /* logo is dark — invert it when on dark backgrounds handled per-context */
}
.footer-logo-img {
    height: 32px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}
.nav-links a {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-dark);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 2px;
    transition:
        color var(--transition),
        background var(--transition);
}
.nav-links a:hover {
    color: var(--blue-mid);
    background: var(--blue-pale);
}
.nav-links a.active {
    color: var(--blue-mid);
}

.nav-lang {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-light);
    border-radius: 3px;
    overflow: hidden;
}
.nav-lang button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-mid);
    padding: 6px 12px;
    transition:
        background var(--transition),
        color var(--transition);
}
.nav-lang button.active {
    background: var(--blue-deep);
    color: var(--white);
}
.nav-lang button:not(.active):hover {
    background: var(--gray-light);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-donate-nav {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--blue-deep);
    border: none;
    cursor: pointer;
    padding: 9px 20px;
    border-radius: 2px;
    text-decoration: none;
    transition: background var(--transition);
}
.btn-donate-nav:hover {
    background: var(--blue-mid);
}

/* Mobile-only lang toggle wrapper (lives inside .nav-links list).
   Hidden on desktop; revealed inside the mobile dropdown menu. */
.nav-lang-mobile-wrap {
    display: none;
}

.nav-hamburger {
    display: none; /* shown only on mobile */
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}
.nav-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--gray-dark);
    border-radius: 2px;
    transition:
        transform 0.25s ease,
        opacity 0.25s ease;
    transform-origin: center;
}
body.mobile-menu-open .nav-hamburger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
body.mobile-menu-open .nav-hamburger span:nth-child(2) {
    opacity: 0;
}
body.mobile-menu-open .nav-hamburger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ─── SHARED PAGE WRAPPER ─────────────────────────────────── */
.page-content {
    padding-top: var(--nav-h);
}

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn-primary {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--blue-deep);
    border: none;
    cursor: pointer;
    padding: 14px 32px;
    border-radius: 2px;
    text-decoration: none;
    display: inline-block;
    transition:
        background var(--transition),
        transform var(--transition);
}
.btn-primary:hover {
    background: var(--blue-mid);
    transform: translateY(-1px);
}

.btn-secondary {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue-deep);
    background: none;
    border: 1px solid var(--blue-deep);
    cursor: pointer;
    padding: 13px 32px;
    border-radius: 2px;
    text-decoration: none;
    display: inline-block;
    transition:
        background var(--transition),
        color var(--transition);
}
.btn-secondary:hover {
    background: var(--blue-pale);
}

.btn-white {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue-deep);
    background: var(--white);
    border: none;
    cursor: pointer;
    padding: 14px 36px;
    border-radius: 2px;
    text-decoration: none;
    display: inline-block;
    white-space: nowrap;
    transition: background var(--transition);
}
.btn-white:hover {
    background: var(--off-white);
}

.btn-sm {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--blue-deep);
    border: none;
    cursor: pointer;
    padding: 8px 18px;
    border-radius: 2px;
    transition: background var(--transition);
}
.btn-sm:hover {
    background: var(--blue-mid);
}

/* ─── SECTION SHARED ──────────────────────────────────────── */
.section {
    padding: 96px 80px;
}
.section-alt {
    background: var(--off-white);
}
.section-dark {
    background: var(--blue-deep);
}

.section-header {
    margin-bottom: 56px;
}
.section-eyebrow {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-eyebrow::before {
    content: "";
    display: block;
    width: 24px;
    height: 1px;
    background: var(--gold);
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.5vw, 46px);
    font-weight: 300;
    line-height: 1.2;
    color: var(--blue-deep);
}
.section-title em {
    font-style: normal;
    font-weight: 300;
    color: var(--blue-mid);
}
.section-dark .section-title {
    color: var(--white);
}
.section-dark .section-eyebrow {
    color: var(--gold);
}
.section-dark .section-eyebrow::before {
    background: var(--gold);
}

/* ─── FORMS ───────────────────────────────────────────────── */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--gray-dark);
    background: var(--off-white);
    border: 1px solid var(--gray-light);
    border-radius: 2px;
    padding: 12px 16px;
    transition:
        border-color var(--transition),
        background var(--transition);
    outline: none;
    resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--blue-mid);
    background: var(--white);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ─── PROGRESS BAR ────────────────────────────────────────── */
.progress-bar {
    height: 3px;
    background: var(--gray-light);
    border-radius: 2px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--blue-mid);
    border-radius: 2px;
    transition: width 1s ease;
}
.progress-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}
.progress-pct {
    font-size: 22px;
    font-weight: 500;
    font-family: var(--font-display);
    color: var(--blue-deep);
}
.progress-label {
    font-size: 11px;
    color: var(--gray-mid);
    letter-spacing: 0.05em;
}

/* ─── CTA STRIP ───────────────────────────────────────────── */
.cta-strip {
    background: var(--blue-mid);
    padding: 64px 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-strip h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 38px);
    font-weight: 300;
    color: var(--white);
    line-height: 1.3;
}
.cta-strip h2 em {
    font-style: italic;
}

.btn-cta {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #0077b5;
    background: var(--white);
    border: none;
    cursor: pointer;
    padding: 14px 36px;
    border-radius: 2px;
    text-decoration: none;
    display: inline-block;
    margin-top: 8px;
    transition:
        background var(--transition),
        transform var(--transition);
}
.btn-cta:hover {
    background: var(--gold);
    transform: translateY(-1px);
    color: var(--white);
}

/* ─── FOOTER ──────────────────────────────────────────────── */
footer {
    background: var(--gray-dark);
    padding: 56px 80px 32px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand p {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 16px;
    max-width: 280px;
}
.footer-col h5 {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    font-size: 13px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    margin-bottom: 10px;
    cursor: pointer;
    transition: color var(--transition);
}
.footer-col a:hover {
    color: rgba(255, 255, 255, 0.8);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.25);
    font-weight: 300;
}

/* ─── SCROLL REVEAL ───────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ─── FAB BUTTONS ─────────────────────────────────────────── */
.fab-group {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.fab {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        opacity var(--transition);
    opacity: 0;
    pointer-events: none;
}
.fab.visible {
    opacity: 1;
    pointer-events: auto;
}
.fab:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}
.fab-whatsapp {
    background: #25d366;
    color: #fff;
    opacity: 1;
    pointer-events: auto;
}
.fab-top {
    background: var(--blue-deep);
    color: #fff;
    font-size: 18px;
}

nav [data-es] {
    transition:
        opacity 0.15s ease,
        filter 0.15s ease;
}
nav [data-es].lang-switching {
    opacity: 0.5;
    filter: blur(4px);
}

.btn-donate-nav[data-es] {
    min-width: 80px;
    text-align: center;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .section,
    .cta-strip,
    footer {
        padding-left: 40px;
        padding-right: 40px;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    nav {
        padding: 0 16px;
    }
    .nav-hamburger {
        display: flex;
    }
    .nav-right {
        gap: 10px;
    }
    /* Hide the desktop lang toggle; mobile lang lives inside the dropdown */
    .nav-right .nav-lang {
        display: none;
    }
    /* Shrink the logo on mobile so the donate button and hamburger fit */
    .nav-logo-img {
        height: 28px;
    }
    /* Mobile lang toggle inside the dropdown menu */
    .nav-lang-mobile-wrap {
        display: block;
        padding: 12px 24px 4px;
        text-align: center;
    }
    .nav-lang-mobile {
        display: inline-flex;
    }
    /* Nav links become a slide-down panel below the nav, shown when the
       hamburger toggles body.mobile-menu-open */
    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--gray-light);
        box-shadow: 0 8px 24px rgba(0, 51, 102, 0.08);
    }
    body.mobile-menu-open .nav-links {
        display: flex;
    }
    .nav-links li {
        width: 100%;
    }
    .nav-links a {
        display: block;
        padding: 14px 24px;
        font-size: 14px;
        border-radius: 0;
        text-align: center;
    }
    /* Slightly shrink the donate button on mobile so 4 items fit */
    .btn-donate-nav {
        padding: 8px 14px;
        font-size: 11px;
        letter-spacing: 0.08em;
    }
    .section,
    .cta-strip {
        padding: 48px 24px;
    }
    .cta-strip {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 24px;
    }
    footer {
        padding: 48px 24px 24px;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}