* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: #ffffff;
    color: #111111;
    line-height: 1.7;
    overflow-x: hidden;
    padding-top: 80px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header Navigation */
header {
    background: #ffffff;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #111111;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.85;
}

.logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #111111;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

nav a:hover {
    color: rgb(43, 154, 245);
}

.nav-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
    text-align: center;
}

.btn-primary {
    background: rgb(43, 154, 245);
    color: #ffffff;
}
    
.btn-primary:hover {
    background: rgb(4, 18, 223);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(4, 18, 223, 0.25);
}

.btn-secondary {
    background: transparent;
    color: rgb(43, 154, 245);
    border: 2px solid rgb(43, 154, 245); 
}

.btn-secondary:hover {
    background: rgb(4, 18, 223);
    color: #ffffff;
    border-color: rgb(4, 18, 223);
    transform: translateY(-2px);
}

/* Weather Bar */
.weather-bar {
    background-color: #f8fafc;
    padding: 10px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid #e2e8f0;
    color: #111111;
}

.weather-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}

.weather-bar i {
    margin-right: 5px;
    color: rgb(43, 154, 245);
}

/* Hero Header Banner */
.donation-hero {
    background: linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);
    padding: 60px 0 40px 0;
    border-bottom: 1px solid #e2e8f0;
    text-align: center;
}

.donation-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #111111;
    margin-bottom: 15px;
}

.donation-hero h1 i {
    color: rgb(43, 154, 245);
    margin-right: 10px;
}

.donation-hero p {
    max-width: 650px;
    margin: 0 auto;
    color: #111111;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Main Content Layout Grid */
.donation-wrapper {
    padding: 60px 0 80px 0;
}

.donation-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 40px;
    align-items: start;
}

/* Impact Highlights Box */
.impact-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.impact-card h3 {
    font-size: 1.5rem;
    color: #111111;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.impact-card h3 i {
    color: rgb(43, 154, 245);
}

.impact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.impact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.impact-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f0f7ff;
    color: rgb(43, 154, 245);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    border: 1px solid #d0e7ff;
}

.impact-text h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #111111;
}

.impact-text p {
    font-size: 0.95rem;
    color: #111111;
}

.trust-banner {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px dashed #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: space-around;
    color: #111111;
    font-size: 0.85rem;
    font-weight: 600;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.trust-item i {
    color: rgb(43, 154, 245);
    font-size: 1.1rem;
}

/* Form Container Box */
.register-container {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    transition: box-shadow 0.3s ease;
}

.register-container:hover {
    box-shadow: 0 25px 30px -5px rgba(43, 154, 245, 0.12), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
}

.register-header {
    text-align: center;
    margin-bottom: 30px;
}

.register-header h2 {
    font-size: 1.8rem;
    color: #111111;
    margin-bottom: 8px;
    font-weight: 700;
}

.register-header h2 i {
    color: rgb(43, 154, 245);
    margin-right: 10px;
}

.register-header p {
    color: #111111;
    font-size: 0.95rem;
}

/* Form Controls & Presets */
.donation-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: #111111;
    margin-bottom: 12px;
}

.donation-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 25px;
}

.preset-btn {
    padding: 14px 10px;
    background: #f8fafc;
    border: 2px solid #cbd5e1;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #111111;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.preset-btn:hover {
    border-color: rgb(43, 154, 245);
    background: #ffffff;
    color: rgb(43, 154, 245);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(43, 154, 245, 0.15);
}

.preset-btn.active {
    background: rgb(43, 154, 245);
    color: #ffffff;
    border-color: rgb(43, 154, 245);
    box-shadow: 0 6px 15px rgba(43, 154, 245, 0.25);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: #111111;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 16px;
    font-weight: 700;
    color: #111111;
    font-size: 1.1rem;
    z-index: 1;
}

.form-group input {
    width: 100%;
    padding: 14px 16px 14px 35px;
    background: #f8fafc;
    border: 2px solid #cbd5e1;
    border-radius: 10px;
    color: #111111;
    font-size: 1.05rem;
    font-weight: 600;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: rgb(43, 154, 245);
    box-shadow: 0 0 0 4px rgba(43, 154, 245, 0.2);
    background: #ffffff;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: 10px;
}

.btn-submit i {
    font-size: 1.3rem;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .donation-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }

    .donation-hero h1 {
        font-size: 2rem;
    }

    .donation-presets {
        grid-template-columns: repeat(2, 1fr);
    }
}