/* ============================================================
   SaveHumanity — Global Stylesheet
   ============================================================ */

:root {
    --primary: #0d7377;
    --primary-dark: #095255;
    --primary-light: #14919b;
    --accent: #f4a261;
    --accent-dark: #e76f51;
    --success: #2a9d8f;
    --danger: #e63946;
    --dark: #1a2e35;
    --dark-2: #264653;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-500: #adb5bd;
    --gray-700: #495057;
    --gray-900: #212529;
    --white: #ffffff;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 8px rgba(15, 40, 45, 0.05);
    --shadow: 0 8px 28px rgba(15, 40, 45, 0.08);
    --shadow-lg: 0 20px 60px rgba(15, 40, 45, 0.18);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    color: var(--gray-900);
    background: var(--gray-50);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-alt { background: var(--white); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 8px 20px rgba(13, 115, 119, 0.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(13, 115, 119, 0.32); }
.btn-primary:disabled { background: var(--gray-300); color: var(--gray-500); box-shadow: none; cursor: not-allowed; transform: none; }
.btn-ghost { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); color: var(--white); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- Navigation ---------- */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: var(--transition);
    padding: 16px 0;
}
.site-nav.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    padding: 10px 0;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.3px;
    transition: var(--transition);
}
.site-nav.scrolled .brand { color: var(--dark); }
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    border-radius: 12px;
    background: var(--primary);
    color: var(--white);
    font-size: 1rem;
    box-shadow: 0 6px 16px rgba(13,115,119,0.35);
}
.brand-text strong { color: var(--accent); font-weight: 800; }
.brand-light { color: var(--white); }

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
    font-size: 0.95rem;
}
.nav-links a {
    color: rgba(255,255,255,0.92);
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -6px;
    width: 0; height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.site-nav.scrolled .nav-links a { color: var(--gray-700); }

.nav-donate {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--dark);
    padding: 11px 22px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.92rem;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(244, 162, 97, 0.35);
}
.nav-donate:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}
.hero-slider-wrap { position: absolute; inset: 0; overflow: hidden; }
.hero-slider {
    display: flex;
    height: 100%;
    width: 100%;
    transition: transform 0.9s cubic-bezier(0.65, 0, 0.35, 1);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
}
.hero-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(9, 40, 45, 0.88) 0%, rgba(9, 40, 45, 0.55) 55%, rgba(9, 40, 45, 0.35) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 140px;
    padding-bottom: 100px;
    max-width: 720px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
    margin-bottom: 24px;
}
.hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,0.25);
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -1.2px;
    margin-bottom: 20px;
}
.hero p {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: rgba(255,255,255,0.88);
    margin-bottom: 34px;
    max-width: 560px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}
.hero-dot {
    width: 32px; height: 4px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.4);
    transition: var(--transition);
}
.hero-dot.active { background: var(--white); width: 48px; }

/* ---------- Stats bar ---------- */
.stats-bar {
    background: var(--white);
    padding: 40px 0;
    box-shadow: 0 10px 40px rgba(15,40,45,0.06);
    position: relative;
    z-index: 3;
    margin-top: -60px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}
.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    text-align: center;
}
.stat strong {
    display: block;
    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    line-height: 1.1;
}
.stat span {
    font-size: 0.85rem;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-weight: 500;
}

/* ---------- Section head ---------- */
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}
.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 12px;
}
.section-head h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.8px;
    color: var(--dark);
    line-height: 1.15;
    margin-bottom: 14px;
}
.section-head p { color: var(--gray-700); font-size: 1.05rem; }
.section-head-light h2 { color: var(--white); }
.section-head-light p { color: rgba(255,255,255,0.8); }
.section-head-light .eyebrow { color: var(--accent); }

/* ---------- Filter chips ---------- */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 44px;
}
.chip {
    padding: 9px 20px;
    border-radius: var(--radius-pill);
    background: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(13,115,119,0.22);
}

/* ---------- Cause grid ---------- */
.cause-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 26px;
}
.cause-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gray-100);
}
.cause-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.cause-media {
    position: relative;
    height: 170px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 18px;
}
.cause-flag {
    font-size: 2.2rem;
    line-height: 1;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.3));
    z-index: 2;
}
.cause-watermark {
    position: absolute;
    right: -10px;
    bottom: -22px;
    font-size: 8rem;
    color: rgba(255,255,255,0.09);
    pointer-events: none;
}
.badge-urgent {
    position: absolute;
    top: 16px; left: 16px;
    background: var(--danger);
    color: var(--white);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 6px 16px rgba(230,57,70,0.4);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.cause-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.cause-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 8px;
}
.cause-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.25;
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}
.cause-body > p {
    font-size: 0.92rem;
    color: var(--gray-700);
    margin-bottom: 14px;
    flex-grow: 1;
}
.cause-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: 500;
}
.cause-progress { margin-bottom: 18px; }
.progress-bar {
    height: 6px;
    background: var(--gray-100);
    border-radius: var(--radius-pill);
    overflow: hidden;
    margin-bottom: 8px;
}
.progress-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-pill);
    transition: width 0.6s ease;
}
.progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--gray-700);
}
.progress-meta strong { color: var(--dark); font-weight: 700; }
.cause-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--gray-100);
    padding-top: 16px;
}
.donor-count {
    font-size: 0.82rem;
    color: var(--gray-500);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-cause {
    background: var(--primary);
    color: var(--white);
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-cause:hover { background: var(--primary-dark); transform: translateX(2px); }

/* ---------- Steps ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 26px;
}
.step-card {
    position: relative;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); background: var(--white); }
.step-num {
    position: absolute;
    top: 20px; right: 24px;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
}
.step-icon {
    width: 54px; height: 54px;
    border-radius: 16px;
    background: var(--primary);
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 20px;
    box-shadow: 0 10px 24px rgba(13,115,119,0.25);
}
.step-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step-card p { color: var(--gray-700); font-size: 0.95rem; }

/* ---------- Impact ---------- */
.impact {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    color: var(--white);
}
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 22px;
}
.impact-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(6px);
}
.impact-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); }
.impact-card i {
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 14px;
    display: inline-block;
}
.impact-card strong {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}
.impact-card span { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* ---------- Comments ---------- */
.comments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 22px;
}
.comment-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 22px;
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent);
    transition: var(--transition);
}
.comment-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.comment-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.comment-author { font-weight: 700; color: var(--dark); font-size: 0.95rem; }
.comment-amount {
    background: var(--primary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 700;
}
.comment-text { color: var(--gray-700); font-size: 0.94rem; margin-bottom: 12px; line-height: 1.55; }
.comment-date { font-size: 0.78rem; color: var(--gray-500); }
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px 20px;
    color: var(--gray-500);
}
.empty-state i { font-size: 2rem; margin-bottom: 12px; display: block; color: var(--gray-300); }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.75);
    padding: 70px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-brand p { font-size: 0.92rem; margin-top: 16px; max-width: 340px; }
.footer-brand .brand { color: var(--white); margin-bottom: 4px; }
.footer-col h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.3px;
}
.footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); transform: translateX(3px); }
.socials { display: flex; gap: 10px; margin-bottom: 16px; }
.socials a {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}
.socials a:hover { background: var(--accent); transform: translateY(-3px); }
.footer-email { font-size: 0.88rem; display: flex; align-items: center; gap: 8px; }
.footer-email i { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
}
.footer-secure { color: rgba(255,255,255,0.6); }
.footer-secure i { color: var(--success); margin-right: 6px; }

/* ---------- Modal ---------- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(10, 25, 30, 0.65);
    backdrop-filter: blur(6px);
    padding: 20px;
    overflow-y: auto;
}
.modal.open { display: flex; align-items: flex-start; justify-content: center; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    margin: 40px auto;
    padding: 28px 28px 32px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.35s cubic-bezier(0.34, 1.4, 0.64, 1);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--gray-700);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 2;
}
.modal-close:hover { background: var(--danger); color: var(--white); transform: rotate(90deg); }

/* Progress */
.modal-progress { margin-bottom: 28px; padding-right: 44px; }
.progress-track {
    height: 4px;
    background: var(--gray-100);
    border-radius: var(--radius-pill);
    overflow: hidden;
    margin-bottom: 12px;
}
.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-pill);
    transition: width 0.4s ease;
}
.progress-steps {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: var(--gray-500);
}
.progress-steps span { transition: var(--transition); }
.progress-steps span.active { color: var(--primary); }

/* Steps */
.modal-step { display: none; animation: stepIn 0.3s ease; }
.modal-step.active { display: block; }
@keyframes stepIn {
    from { opacity: 0; transform: translateX(12px); }
    to   { opacity: 1; transform: translateX(0); }
}
.modal-step h2 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.4px;
    margin-bottom: 6px;
}
.modal-sub {
    font-size: 0.9rem;
    color: var(--gray-700);
    margin-bottom: 22px;
}

/* Cause choices */
.cause-choices {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 340px;
    overflow-y: auto;
    margin-bottom: 22px;
    padding-right: 4px;
}
.cause-choice {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    border-radius: var(--radius);
    border: 2px solid var(--gray-100);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.cause-choice:hover { border-color: var(--primary-light); background: var(--gray-50); }
.cause-choice.selected {
    border-color: var(--primary);
    background: rgba(13, 115, 119, 0.05);
}
.cause-choice-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.cause-choice-body { flex: 1; min-width: 0; }
.cause-choice-body strong { display: block; font-size: 0.92rem; color: var(--dark); font-weight: 600; line-height: 1.3; }
.cause-choice-body span {
    font-size: 0.78rem;
    color: var(--gray-500);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.cause-choice-check {
    color: var(--primary);
    opacity: 0;
    transform: scale(0.5);
    transition: var(--transition);
    font-size: 1.1rem;
}
.cause-choice.selected .cause-choice-check { opacity: 1; transform: scale(1); }

/* Amount grid */
.amount-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.amount-btn {
    padding: 16px 10px;
    border-radius: var(--radius);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--dark);
    transition: var(--transition);
}
.amount-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--white); }
.amount-btn.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 22px rgba(13,115,119,0.28);
    transform: translateY(-2px);
}
.field-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}
.input-prefix {
    position: relative;
    margin-bottom: 12px;
}
.input-prefix > span {
    position: absolute;
    left: 16px; top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--gray-500);
    font-size: 1rem;
}
.input-prefix input {
    width: 100%;
    padding: 14px 16px 14px 34px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    font-weight: 600;
    color: var(--dark);
}
.input-prefix input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(13,115,119,0.12);
}
.modal-note {
    font-size: 0.82rem;
    color: var(--gray-500);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.modal-note i { color: var(--primary-light); }

/* Payment methods */
.pay-methods { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.pay-method {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius);
    border: 2px solid var(--gray-200);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.pay-method:hover { border-color: var(--primary-light); }
.pay-method input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.pay-method:has(input:checked) {
    border-color: var(--primary);
    background: rgba(13,115,119,0.04);
}
.pay-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: var(--gray-100);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: var(--transition);
}
.pay-method:has(input:checked) .pay-icon { background: var(--primary); color: var(--white); }
.pay-text { flex: 1; }
.pay-text strong { display: block; font-size: 0.94rem; font-weight: 700; color: var(--dark); line-height: 1.2; }
.pay-text small { font-size: 0.78rem; color: var(--gray-500); }
.pay-check {
    color: var(--primary);
    opacity: 0;
    transform: scale(0.5);
    transition: var(--transition);
    font-size: 1.1rem;
}
.pay-method:has(input:checked) .pay-check { opacity: 1; transform: scale(1); }

.pay-panel { display: none; margin-bottom: 20px; }
.pay-panel.active { display: block; animation: stepIn 0.3s ease; }

.field {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: var(--dark);
}
.field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(13,115,119,0.12);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field-row .field { margin-bottom: 0; }

/* Crypto */
.crypto-tabs {
    display: flex;
    background: var(--gray-100);
    border-radius: var(--radius-pill);
    padding: 4px;
    margin-bottom: 16px;
}
.crypto-tab {
    flex: 1;
    padding: 9px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
}
.crypto-tab.active { background: var(--white); color: var(--primary); box-shadow: var(--shadow-sm); }
.crypto-info {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
}
.info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--gray-500);
    font-weight: 600;
    margin-bottom: 6px;
}
.crypto-info code {
    display: block;
    background: var(--dark);
    color: var(--accent);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    word-break: break-all;
    margin-bottom: 14px;
    font-family: 'SF Mono', Menlo, Consolas, monospace;
}
.muted { color: var(--gray-500); font-size: 0.84rem; margin-top: 10px; }
.qr {
    width: 160px; height: 160px;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    background: var(--white);
    padding: 8px;
}

/* Bank */
.bank-details { background: var(--gray-50); border-radius: var(--radius); padding: 18px; }
.bank-details p {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.88rem;
}
.bank-details p:last-child { border-bottom: none; }
.bank-details p span { color: var(--gray-500); }
.bank-details p strong { color: var(--dark); }

/* Summary */
.donation-summary {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 16px 18px;
    margin-bottom: 18px;
    border-left: 4px solid var(--primary);
}
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.9rem;
}
.summary-row span { color: var(--gray-500); }
.summary-row strong { color: var(--dark); font-weight: 700; }

/* Switch */
.switch {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    margin-bottom: 12px;
    cursor: pointer;
    user-select: none;
}
.switch input { display: none; }
.switch-track {
    width: 40px; height: 22px;
    border-radius: var(--radius-pill);
    background: var(--gray-300);
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}
.switch-thumb {
    position: absolute;
    top: 2px; left: 2px;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--white);
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.switch input:checked + .switch-track { background: var(--primary); }
.switch input:checked + .switch-track .switch-thumb { transform: translateX(18px); }
.switch-label { font-size: 0.9rem; font-weight: 500; color: var(--gray-700); }

.modal-footnote {
    font-size: 0.78rem;
    color: var(--gray-500);
    text-align: center;
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.modal-footnote i { color: var(--success); }

.modal-error {
    display: none;
    background: rgba(230,57,70,0.1);
    color: var(--danger);
    border: 1px solid rgba(230,57,70,0.25);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 0.88rem;
    margin-top: 16px;
    font-weight: 500;
}
.modal-error.show { display: block; animation: stepIn 0.25s ease; }

/* Thank you */
.thank-you { text-align: center; padding: 30px 10px; }
.thank-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success), var(--primary));
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
    box-shadow: 0 14px 30px rgba(42,157,143,0.35);
    animation: pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes pop {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}
.thank-you h2 { font-size: 1.6rem; color: var(--dark); margin-bottom: 8px; }
.thank-you p { color: var(--gray-700); margin-bottom: 6px; }
.thank-you strong { color: var(--primary); font-weight: 800; }

/* ---------- Responsive ---------- */
@media (max-width: 968px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 640px) {
    .section { padding: 60px 0; }
    .hero-content { padding-top: 120px; padding-bottom: 80px; }
    .stats-bar { margin-top: -40px; border-radius: 20px 20px 0 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .amount-grid { grid-template-columns: repeat(2, 1fr); }
    .modal-card { padding: 24px 18px 28px; margin: 20px auto; max-height: none; }
    .modal { padding: 12px; }
    .modal-step h2 { font-size: 1.25rem; }
    .nav-donate span { display: none; }
    .nav-donate { padding: 11px 14px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 400px) {
    .cause-grid { grid-template-columns: 1fr; }
    .amount-grid { grid-template-columns: repeat(2, 1fr); }
}