:root {
    --green-dark: #155d38;
    --green-main: #1a7a4a;
    --green-soft: #daeee2;
    --green-bright: #45c27d;
    --gold: #f5c96b;
    --ink: #102019;
    --muted: #63746c;
    --surface: #e6f1e3;
    --surface-soft: #f5faf7;
    --line: rgba(21, 93, 56, .14);
    --shadow: 0 22px 70px rgba(16, 32, 25, .12);
    --radius: 8px;
}

[data-theme="dark"] {
    --green-dark: #85e0ae;
    --green-main: #45c27d;
    --green-soft: #183d2c;
    --green-bright: #75e2a5;
    --gold: #ffd981;
    --ink: #edf8f1;
    --muted: #b5c8bd;
    --surface: #134d3b;
    --surface-soft: #101f18;
    --line: rgba(133, 224, 174, .2);
    --shadow: 0 24px 80px rgba(0, 0, 0, .32);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(69, 194, 125, .12), transparent 32rem),
        linear-gradient(180deg, var(--surface) 0%, var(--surface-soft) 100%);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background-color .25s ease, color .25s ease;
}

a {
    color: var(--green-main);
}

.site-loader {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    place-content: center;
    gap: 1rem;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, #07120d, #155d38 52%, #1a7a4a);
    transition: opacity .45s ease, visibility .45s ease;
}

.site-loader.is-hidden {
    visibility: hidden;
    opacity: 0;
}

.loader-mark {
    display: flex;
    justify-content: center;
    gap: .45rem;
}

.loader-mark span {
    width: .75rem;
    height: 2.6rem;
    border-radius: 999px;
    background: linear-gradient(180deg, #fff, var(--gold));
    animation: loaderPulse .9s ease-in-out infinite alternate;
}

.loader-mark span:nth-child(2) {
    animation-delay: .12s;
}

.loader-mark span:nth-child(3) {
    animation-delay: .24s;
}

@keyframes loaderPulse {
    from { transform: scaleY(.45); opacity: .55; }
    to { transform: scaleY(1); opacity: 1; }
}

.site-alert {
    color: #4a3300;
    background: linear-gradient(90deg, #fff1c7, #ffe6a3);
    border: 0;
}

.navbar-conbraje {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(16, 32, 25, .08);
    backdrop-filter: blur(18px);
}

.brand-mark {
    display: grid;
    width: 2.35rem;
    height: 2.35rem;
    place-items: center;
    color: #fff;
    font-weight: 800;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-main), var(--green-dark));
    box-shadow: 0 8px 22px rgba(26, 122, 74, .28);
}

.brand-text {
    color: var(--ink);
    font-weight: 800;
}

.navbar-conbraje .nav-link {
    color: var(--ink);
    font-weight: 650;
    border-radius: var(--radius);
    padding: .55rem .8rem;
}

.navbar-conbraje .nav-link:hover,
.navbar-conbraje .nav-link:focus {
    color: var(--green-main);
    background: var(--green-soft);
}

.nav-cta {
    color: #fff !important;
    background: linear-gradient(135deg, var(--green-main), var(--green-dark));
}

.theme-toggle {
    display: grid;
    width: 2.4rem;
    height: 2.4rem;
    place-items: center;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface);
}

.theme-toggle .theme-icon-dark,
[data-theme="dark"] .theme-toggle .theme-icon-light {
    display: none;
}

[data-theme="dark"] .theme-toggle .theme-icon-dark {
    display: inline;
}

.hero-home {
    position: relative;
    min-height: min(780px, calc(100vh - 4rem));
    display: flex;
    align-items: end;
    overflow: hidden;
    color: #fff;
    isolation: isolate;
}

.hero-media,
.hero-overlay,
.hero-orbit {
    position: absolute;
    inset: 0;
}

.hero-media {
    z-index: -3;
    background-image: url("../img/conbraje-hero-2026.png");
    background-position: center;
    background-size: cover;
    transform: scale(1.02);
}

.hero-overlay {
    z-index: -2;
    background:
        linear-gradient(90deg, rgba(5, 18, 11, .92) 0%, rgba(7, 28, 17, .76) 40%, rgba(7, 28, 17, .34) 100%),
        linear-gradient(180deg, rgba(5, 18, 11, .08), rgba(5, 18, 11, .68));
}

.hero-orbit {
    z-index: -1;
    opacity: .72;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 8rem;
    padding-bottom: clamp(3rem, 8vw, 6rem);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    margin-bottom: .8rem;
    color: var(--gold);
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
}

.hero-home h1 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(3.2rem, 8vw, 6.6rem);
    line-height: .9;
    font-weight: 900;
}

.hero-subtitle,
.hero-theme {
    max-width: 730px;
    margin: 1.25rem 0 0;
    color: rgba(255, 255, 255, .88);
    font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.hero-theme {
    margin-top: .6rem;
    color: #fff;
    font-weight: 760;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    margin-top: 2rem;
}

.btn {
    border-radius: var(--radius);
    font-weight: 750;
}

.btn-conbraje {
    color: #fff;
    border: 0;
    background: linear-gradient(135deg, var(--green-bright), var(--green-main));
    box-shadow: 0 16px 40px rgba(26, 122, 74, .28);
}

.btn-conbraje:hover,
.btn-conbraje:focus {
    color: #fff;
    transform: translateY(-1px);
}

.btn-glass {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .42);
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(12px);
}

.btn-glass:hover,
.btn-glass:focus {
    color: #fff;
    background: rgba(255, 255, 255, .2);
}

.hero-info-panel {
    display: grid;
    gap: .7rem;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(18px);
}

.hero-info-panel div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: .7rem;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
}

.hero-info-panel div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.hero-info-panel span {
    color: rgba(255, 255, 255, .68);
}

.content-section {
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 2rem;
}

.section-heading.center {
    margin-inline: auto;
    text-align: center;
}

.section-heading h2,
.participant-band h2 {
    margin: 0;
    color: var(--ink);
    font-size: clamp(2rem, 4vw, 3.35rem);
    line-height: 1;
    font-weight: 880;
}

.section-heading p,
.participant-band p {
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.video-frame {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background: #07120d;
}

.video-frame video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.split-grid,
.location-grid {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 6vw, 5rem);
}

.sticky-copy {
    position: sticky;
    top: 7rem;
    align-self: start;
}

.info-stack {
    display: grid;
    gap: 1rem;
}

.soft-card,
.objective-card,
.registration-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    box-shadow: 0 16px 48px rgba(16, 32, 25, .08);
}

.soft-card {
    padding: 1.35rem;
}

.soft-card i,
.event-facts i,
.registration-card i {
    color: var(--green-main);
    font-size: 1.6rem;
}

.soft-card h3,
.objective-card h3 {
    margin: .85rem 0 .55rem;
    font-size: 1.2rem;
    font-weight: 820;
}

.soft-card p,
.objective-card p,
.event-facts p,
.registration-card small {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.section-gradient {
    background:
        radial-gradient(circle at 20% 10%, rgba(245, 201, 107, .18), transparent 28rem),
        linear-gradient(135deg, var(--green-soft), color-mix(in srgb, var(--surface) 80%, var(--green-soft)));
}

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

.objective-card {
    min-height: 15rem;
    padding: 1.1rem;
}

.objective-card span {
    color: var(--green-main);
    font-weight: 900;
}

.event-facts {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.event-facts div {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .9rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.map-shell {
    overflow: hidden;
    min-height: 420px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.map-shell iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 420px;
    filter: saturate(1.05) contrast(1.02);
}

.cta-section {
    background:
        linear-gradient(180deg, transparent, color-mix(in srgb, var(--green-soft) 64%, transparent)),
        var(--surface);
}

.registration-card {
    display: flex;
    min-height: 13rem;
    flex-direction: column;
    gap: .8rem;
    padding: 1.2rem;
    color: var(--ink);
    text-decoration: none;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.registration-card:hover,
.registration-card:focus {
    color: var(--ink);
    border-color: color-mix(in srgb, var(--green-main) 44%, var(--line));
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.registration-card span {
    font-size: 1.15rem;
    font-weight: 850;
}

.donation-band {
    padding: clamp(3.5rem, 7vw, 5.5rem) 0;
    color: #fff;
    background:
        radial-gradient(circle at 12% 18%, rgba(245, 201, 107, .22), transparent 24rem),
        linear-gradient(135deg, #07120d, #155d38 52%, #1a7a4a);
}

.donation-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}

.donation-copy h2 {
    max-width: 760px;
    margin: 0;
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 880;
    line-height: 1;
}

.donation-copy p {
    max-width: 760px;
    margin: 1rem 0 0;
    color: rgba(255, 255, 255, .82);
    font-size: 1.08rem;
    line-height: 1.65;
}

.donation-pix {
    display: grid;
    gap: .7rem;
    padding: 1.15rem;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .11);
    box-shadow: 0 24px 60px rgba(7, 18, 13, .22);
    backdrop-filter: blur(16px);
}

.donation-pix span {
    color: rgba(255, 255, 255, .72);
    font-size: .78rem;
    font-weight: 850;
    letter-spacing: 0;
    text-transform: uppercase;
}

.donation-pix-field {
    width: 100%;
    padding: .75rem .85rem;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: calc(var(--radius) - .4rem);
    background: rgba(7, 18, 13, .28);
    font-size: clamp(1.1rem, 2.5vw, 1.55rem);
    font-weight: 820;
    overflow-wrap: anywhere;
}

.donation-pix-field:focus {
    outline: 2px solid rgba(245, 201, 107, .72);
    outline-offset: 2px;
}

.donation-pix .btn {
    justify-content: center;
    width: 100%;
}

.donation-pix small {
    color: rgba(255, 255, 255, .78);
    line-height: 1.5;
}

.participant-band {
    padding: 3.5rem 0;
    color: #fff;
    background: linear-gradient(135deg, #0b2b1a, #155d38 48%, #1a7a4a);
}

.participant-band h2,
.participant-band p {
    color: #fff;
}

.site-footer {
    color: rgba(255, 255, 255, .78);
    background: #07120d;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
}

section:not(.hero-home, .content-section, .donation-band, .participant-band) {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1rem 4rem;
}

section > h3 {
    color: var(--ink);
    font-weight: 860;
}

.card {
    color: var(--ink);
    border-radius: var(--radius);
    border-color: var(--line) !important;
    background: var(--surface);
    box-shadow: 0 14px 40px rgba(16, 32, 25, .08) !important;
}

.card-header.bg-success {
    border: 0;
    background: linear-gradient(135deg, var(--green-main), var(--green-dark)) !important;
}

.form-control,
.form-select {
    color: var(--ink);
    border-color: var(--line);
    border-radius: var(--radius);
    background-color: var(--surface);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--green-main);
    box-shadow: 0 0 0 .22rem rgba(26, 122, 74, .16);
}

.form-text,
.text-muted {
    color: var(--muted) !important;
}

.legal-compact {
    display: grid;
    gap: .85rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.legal-compact .form-check-label {
    line-height: 1.55;
}

.legal-modal-copy {
    color: var(--muted);
    line-height: 1.7;
}

.field-error-message {
    display: block;
    margin-top: .35rem;
    color: #dc3545;
    font-size: .875rem;
}

@media (max-width: 991.98px) {
    .hero-home {
        min-height: 760px;
    }

    .split-grid,
    .location-grid,
    .donation-panel {
        grid-template-columns: 1fr;
    }

    .sticky-copy {
        position: static;
    }

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

@media (max-width: 575.98px) {
    .hero-home h1 {
        font-size: 3rem;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .objective-grid,
    .registration-grid {
        grid-template-columns: 1fr;
    }

    .hero-info-panel div {
        align-items: flex-start;
        flex-direction: column;
        gap: .15rem;
    }
}