:root {
    --verde: #2f7d5a;
    --verde-escuro: #173f31;
    --verde-medio: #24684a;
    --verde-claro: #e9f5ee;
    --verde-palido: #f3f9f5;
    --creme: #fffaf1;
    --amarelo: #efb84d;
    --texto: #22352d;
    --texto-claro: #68776f;
    --borda: #dce9e1;
    --fundo: #f7faf8;
    --branco: #ffffff;
    --sombra: 0 18px 45px rgba(23, 63, 49, .10);
    --sombra-leve: 0 8px 24px rgba(23, 63, 49, .07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--texto);
    background: var(--branco);
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid rgba(220, 233, 225, .9);
    backdrop-filter: blur(12px);
}
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--verde-escuro); font-size: 1.28rem; font-weight: 750; letter-spacing: -.03em; }
.brand::before { content: ""; width: 13px; height: 13px; background: var(--amarelo); border: 5px solid var(--verde); border-radius: 50%; box-shadow: 0 0 0 4px var(--verde-claro); }
.main-nav { display: flex; gap: 30px; margin-left: auto; }
.main-nav a { position: relative; color: #53635b; font-size: .93rem; font-weight: 600; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: -8px; left: 0; height: 2px; background: var(--verde); transform: scaleX(0); transition: transform .2s; }
.main-nav a:hover { color: var(--verde-escuro); }
.main-nav a:hover::after { transform: scaleX(1); }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border: 1px solid var(--verde);
    border-radius: 10px;
    font-weight: 700;
    text-align: center;
    transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--branco); background: var(--verde); box-shadow: 0 8px 20px rgba(47, 125, 90, .22); }
.button-primary:hover { background: var(--verde-escuro); box-shadow: 0 10px 25px rgba(23, 63, 49, .25); }
.button-secondary { color: var(--verde-escuro); background: rgba(255, 255, 255, .76); }
.button-secondary:hover { background: var(--branco); }
.button-small { padding: 10px 18px; font-size: .88rem; }

h1, h2, h3 { line-height: 1.18; }
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #eff8f3 0%, #e1f1e8 58%, #f8f3e6 100%); border-bottom: 1px solid var(--borda); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.hero::before { width: 420px; height: 420px; top: -240px; left: -150px; background: rgba(47, 125, 90, .08); }
.hero::after { width: 310px; height: 310px; right: -100px; bottom: -180px; border: 55px solid rgba(239, 184, 77, .12); }
.hero-grid {
    position: relative;
    z-index: 1;
    min-height: 610px;
    display: grid;
    grid-template-columns: 1.12fr .88fr;
    align-items: center;
    gap: 90px;
    padding-top: 78px;
    padding-bottom: 78px;
}
.hero-content::before { content: "Pessoas ajudando pessoas"; display: inline-flex; margin-bottom: 18px; padding: 7px 13px; color: var(--verde-medio); background: rgba(255,255,255,.72); border: 1px solid rgba(47,125,90,.16); border-radius: 999px; font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { max-width: 690px; margin: 0 0 24px; color: var(--verde-escuro); font-size: clamp(2.7rem, 5.3vw, 4.35rem); letter-spacing: -.055em; }
.hero-content > p { max-width: 620px; margin: 0; color: #52655c; font-size: 1.12rem; }
.hero-actions { display: flex; gap: 13px; margin-top: 32px; }

.hero-card { position: relative; overflow: hidden; padding: 44px 40px 34px; color: var(--branco); background: linear-gradient(145deg, #286f50, #173f31); border: 1px solid rgba(255,255,255,.12); border-radius: 28px 28px 70px 28px; box-shadow: 0 28px 65px rgba(23, 63, 49, .24); }
.hero-card::before { content: ""; position: absolute; width: 180px; height: 180px; top: -78px; right: -62px; border: 28px solid rgba(255,255,255,.08); border-radius: 50%; }
.hero-card::after { content: ""; position: absolute; width: 92px; height: 92px; right: 34px; bottom: 62px; background: rgba(239,184,77,.14); border-radius: 26px; transform: rotate(18deg); }
.hero-card-icon { position: relative; z-index: 1; display: grid; width: 58px; height: 58px; margin-bottom: 28px; place-items: center; color: var(--verde-escuro); background: var(--amarelo); border-radius: 18px; font-size: 1.55rem; box-shadow: 0 10px 25px rgba(0,0,0,.16); transform: rotate(-5deg); }
.hero-card-label { position: relative; z-index: 1; display: block; margin-bottom: 10px; color: #bfe2cf; font-size: .76rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.hero-card h2 { position: relative; z-index: 1; margin: 0 0 16px; font-size: clamp(1.65rem, 3vw, 2.2rem); letter-spacing: -.025em; }
.hero-card > p { position: relative; z-index: 1; margin: 0; color: #dcece3; font-size: .95rem; }
.hero-card-footer { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); color: #cce0d5; font-size: .8rem; }
.hero-card-footer strong { display: block; color: var(--branco); font-size: 1rem; }

.section { padding: 96px 0; }
.section-heading { margin-bottom: 42px; }
.section-heading.centered { text-align: center; }
.section-heading.centered::before { content: "Simples e direto"; display: block; margin-bottom: 8px; color: var(--verde); font-size: .74rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.section-heading h2 { margin: 0 0 10px; color: var(--verde-escuro); font-size: clamp(2rem, 3.7vw, 2.65rem); letter-spacing: -.04em; }
.section-heading p { margin: 0; color: var(--texto-claro); }

.how-section { background: var(--branco); }
.steps-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card { position: relative; min-height: 225px; padding: 32px; background: var(--branco); border: 1px solid var(--borda); border-radius: 18px; box-shadow: var(--sombra-leve); transition: transform .2s, box-shadow .2s; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.step-card::after { content: ""; position: absolute; right: 28px; bottom: 28px; width: 38px; height: 5px; background: var(--amarelo); border-radius: 5px; }
.step-number { display: block; margin-bottom: 32px; color: var(--verde); font-size: .84rem; font-weight: 800; letter-spacing: .1em; }
.step-card h3 { margin: 0 0 10px; color: var(--verde-escuro); font-size: 1.35rem; }
.step-card p { max-width: 260px; margin: 0; color: var(--texto-claro); font-size: .94rem; }

.donations-section { background: var(--fundo); }
.heading-row { display: flex; justify-content: space-between; }
.donations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.donation-card { position: relative; overflow: hidden; background: var(--branco); border: 1px solid var(--borda); border-radius: 18px; box-shadow: var(--sombra-leve); transition: transform .22s, box-shadow .22s; }
.donation-card::before { content: ""; display: block; height: 7px; background: linear-gradient(90deg, var(--verde), #71ad8d); }
.donation-card:nth-child(3n+2)::before { background: linear-gradient(90deg, #d59b3f, #f0c86d); }
.donation-card:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.donation-body { padding: 28px; }
.category-badge { display: inline-flex; margin-bottom: 17px; padding: 5px 11px; color: var(--verde-escuro); background: var(--verde-claro); border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .03em; }
.donation-body h3 { margin: 0 0 9px; color: var(--verde-escuro); font-size: 1.3rem; }
.donation-body p { min-height: 50px; margin: 0 0 16px; color: var(--texto-claro); font-size: .92rem; }
.location { margin-bottom: 17px; color: #64726b; font-size: .84rem; }
.location span { color: var(--verde); }
.card-info { display: flex; min-height: 58px; flex-direction: column; gap: 6px; margin-bottom: 20px; padding-top: 15px; border-top: 1px solid #edf2ef; color: #64726b; font-size: .84rem; }
.card-info .location { margin-bottom: 0; }
.card-button { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 11px 15px; color: var(--verde-escuro); background: var(--verde-palido); border: 1px solid #cfe4d8; border-radius: 9px; cursor: pointer; font-weight: 700; transition: background .2s, color .2s; }
.card-button:hover { color: var(--branco); background: var(--verde); }

.page-section { min-height: calc(100vh - 270px); padding: 78px 0 96px; }
.page-heading { margin-bottom: 34px; }
.page-heading::before { content: "Ponte Solidária"; display: block; margin-bottom: 8px; color: var(--verde); font-size: .74rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.page-heading h1 { margin: 0 0 10px; color: var(--verde-escuro); font-size: clamp(2.25rem, 4.5vw, 3.35rem); letter-spacing: -.045em; }
.page-heading p { max-width: 700px; margin: 0; color: var(--texto-claro); font-size: 1.03rem; }

.filters { display: flex; gap: 10px; margin-bottom: 36px; padding: 7px; width: fit-content; background: var(--branco); border: 1px solid var(--borda); border-radius: 14px; box-shadow: 0 5px 16px rgba(23,63,49,.05); }
.filter-button { padding: 9px 18px; color: var(--verde-medio); background: transparent; border: 0; border-radius: 9px; cursor: pointer; font-weight: 650; }
.filter-button:hover, .filter-button.active { color: var(--branco); background: var(--verde); }
.empty-message { color: var(--texto-claro); }

.detail-section, .form-section { position: relative; overflow: hidden; background: linear-gradient(155deg, var(--fundo), #eef7f2); }
.detail-section::after, .form-section::after { content: ""; position: absolute; z-index: 0; width: 330px; height: 330px; right: -170px; top: 100px; border: 48px solid rgba(47,125,90,.05); border-radius: 50%; }
.detail-container, .form-container { position: relative; z-index: 1; max-width: 820px; }
.back-link { display: inline-flex; margin-bottom: 24px; color: var(--verde); font-weight: 700; }
.back-link:hover { color: var(--verde-escuro); }
.detail-card { position: relative; overflow: hidden; padding: 46px; background: var(--branco); border: 1px solid var(--borda); border-radius: 22px; box-shadow: var(--sombra); }
.detail-card::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 7px; background: linear-gradient(90deg, var(--verde), var(--amarelo)); }
.detail-card h1 { margin: 0 0 18px; color: var(--verde-escuro); font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -.035em; }
.detail-description { margin: 0 0 30px; color: var(--texto-claro); font-size: 1.02rem; }
.detail-list { margin: 0 0 32px; border-top: 1px solid var(--borda); }
.detail-list div { display: grid; grid-template-columns: 145px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--borda); }
.detail-list dt { color: var(--texto-claro); }
.detail-list dd { margin: 0; font-weight: 700; }
.status-badge { display: inline-flex; align-items: center; gap: 7px; color: var(--verde-escuro); }
.status-badge::before { content: ""; width: 8px; height: 8px; background: #37a66f; border-radius: 50%; box-shadow: 0 0 0 4px #e2f4e9; }
.interest-button { cursor: pointer; }

.donation-form { padding: 40px; background: var(--branco); border: 1px solid var(--borda); border-radius: 22px; box-shadow: var(--sombra); }
.form-group { display: flex; flex-direction: column; margin-bottom: 21px; }
.form-group label { margin-bottom: 7px; color: var(--verde-escuro); font-size: .91rem; font-weight: 750; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 14px; color: var(--texto); background: #fbfdfc; border: 1px solid #c9d8cf; border-radius: 9px; transition: border .2s, box-shadow .2s; }
.form-group textarea { resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--verde); box-shadow: 0 0 0 4px rgba(47,125,90,.10); }
.form-group small { margin-top: 5px; color: var(--texto-claro); font-size: .8rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-error { margin-bottom: 20px; padding: 12px 15px; color: #7a2929; background: #fbeaea; border: 1px solid #e6bcbc; border-radius: 8px; }
.publish-button { cursor: pointer; }
.demo-result { margin: 18px 0 0; padding: 13px 16px; color: var(--verde-escuro); background: var(--verde-claro); border-radius: 9px; font-weight: 700; }
.selected-donation { margin-bottom: 22px; padding: 24px; background: linear-gradient(135deg, var(--verde-escuro), var(--verde)); border-radius: 16px; box-shadow: var(--sombra-leve); }
.selected-donation span { display: block; margin-bottom: 5px; color: #c7e1d3; font-size: .86rem; }
.selected-donation strong { display: block; color: var(--branco); font-size: 1.35rem; }
.selected-donation p { margin: 4px 0 0; color: #dcece3; font-size: .9rem; }
.optional-label { color: var(--texto-claro); font-size: .82rem; font-weight: 400; }

.confirmation-section { display: flex; align-items: center; background: var(--fundo); }
.confirmation-container { max-width: 720px; }
.confirmation-card { padding: 48px; background: var(--branco); border: 1px solid var(--borda); border-radius: 22px; box-shadow: var(--sombra); text-align: center; }
.confirmation-icon { display: flex; width: 60px; height: 60px; margin: 0 auto 20px; align-items: center; justify-content: center; color: var(--verde-escuro); background: var(--amarelo); border-radius: 18px; font-size: 1.55rem; font-weight: 800; transform: rotate(-4deg); }
.confirmation-card h1 { margin: 0 0 14px; color: var(--verde-escuro); font-size: 2.2rem; }
.confirmation-card p { max-width: 580px; margin: 0 auto; color: var(--texto-claro); }
.confirmation-actions { display: flex; justify-content: center; gap: 12px; margin-top: 30px; }

.about-section { background: var(--branco); }
.about-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 75px; align-items: center; }
.about-grid .section-heading { margin-bottom: 20px; }
.about-grid > div > p { margin: 0 0 15px; color: var(--texto-claro); }
.about-info { overflow: hidden; background: var(--verde-escuro); border-radius: 22px; box-shadow: var(--sombra); }
.about-info div { position: relative; padding: 27px 30px 27px 58px; }
.about-info div::before { content: ""; position: absolute; width: 12px; height: 12px; top: 34px; left: 30px; background: var(--amarelo); border-radius: 50%; }
.about-info div + div { border-top: 1px solid rgba(255,255,255,.12); }
.about-info strong, .about-info span { display: block; }
.about-info strong { margin-bottom: 6px; color: var(--branco); }
.about-info span { color: #cce0d5; font-size: .92rem; }

.site-footer { position: relative; overflow: hidden; color: var(--branco); background: #102f24; }
.site-footer::after { content: ""; position: absolute; width: 240px; height: 240px; right: -90px; bottom: -150px; border: 35px solid rgba(255,255,255,.035); border-radius: 50%; }
.footer-inner { position: relative; z-index: 1; min-height: 210px; display: flex; align-items: flex-start; justify-content: space-between; gap: 50px; padding-top: 48px; padding-bottom: 45px; }
.brand-footer { color: var(--branco); }
.footer-about p { margin: 12px 0 0 33px; color: #afc8bb; font-size: .88rem; }
.footer-contact { display: flex; flex-direction: column; color: #bfd3c8; font-size: .9rem; font-style: normal; }
.footer-contact strong { margin-bottom: 7px; color: var(--branco); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-contact a:hover { color: var(--branco); text-decoration: underline; }

@media (max-width: 860px) {
    .main-nav { display: none; }
    .header-action { margin-left: auto; }
    .hero-grid { min-height: auto; grid-template-columns: 1fr; gap: 48px; padding-top: 68px; padding-bottom: 70px; }
    .hero-content { max-width: 700px; }
    .hero-card { max-width: 620px; }
    .steps-grid, .donations-grid { grid-template-columns: 1fr; }
    .step-card { min-height: auto; }
    .about-grid { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 560px) {
    .container { width: calc(100% - 30px); }
    .header-inner { min-height: 70px; }
    .header-action { display: none; }
    .hero-grid { padding-top: 54px; padding-bottom: 58px; }
    .hero h1 { font-size: 2.55rem; }
    .hero-actions { flex-direction: column; }
    .hero-card { padding: 32px 26px 28px; border-radius: 22px 22px 48px 22px; }
    .hero-card-footer { grid-template-columns: 1fr; gap: 8px; }
    .section { padding: 70px 0; }
    .page-section { padding: 52px 0 70px; }
    .filters { width: 100%; flex-wrap: wrap; }
    .filter-button { flex: 1; }
    .detail-card, .donation-form { padding: 30px 22px; }
    .detail-list div { grid-template-columns: 1fr; gap: 2px; }
    .interest-button, .publish-button { width: 100%; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .confirmation-card { padding: 38px 22px; }
    .confirmation-actions { flex-direction: column; }
    .footer-inner { min-height: 0; align-items: flex-start; flex-direction: column; gap: 28px; padding-top: 42px; padding-bottom: 42px; }
    .footer-about p { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}