:root {
    --primary-color: #FF6B35;
    --primary-hover: #e55a2a;
    --text-color: #2d3748;
    --text-secondary: #718096;
    --page-bg: #f7fafc;
    --background-color: #ffffff;
    --border-color: #e2e8f0;
    --input-bg: #ffffff;
    --border-radius: 8px;
}

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

html { font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--page-bg);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

body.loaded { opacity: 1; }

@keyframes evpay-fade-up {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes evpay-slide-left {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes evpay-slide-right {
    from { opacity: 0; transform: translateX(40px) scale(0.96); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes evpay-pop-in {
    0% { opacity: 0; transform: scale(0.92); }
    70% { transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes evpay-float-up {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes evpay-shimmer {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(120%); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
}

body:not(.loaded) .header,
body:not(.loaded) .hero-section,
body:not(.loaded) .payment-section,
body:not(.loaded) .footer {
    opacity: 0;
}

body:not(.loaded) .header {
    transform: translateY(20px);
}

body:not(.loaded) .hero-section {
    transform: translateX(-40px);
}

body:not(.loaded) .payment-section {
    transform: translateX(40px) scale(0.96);
}

body:not(.loaded) .hero-image {
    transform: translateY(30px) scale(0.95);
}

body.loaded .header {
    animation: evpay-fade-up 600ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

body.loaded .hero-section {
    animation: evpay-slide-left 700ms cubic-bezier(0.22, 1, 0.36, 1) 100ms both;
}

body.loaded .hero-image {
    animation: evpay-float-up 800ms cubic-bezier(0.22, 1, 0.36, 1) 250ms both;
}

body.loaded .payment-section {
    animation: evpay-slide-right 700ms cubic-bezier(0.22, 1, 0.36, 1) 180ms both;
}

body.loaded .footer {
    animation: evpay-fade-up 500ms cubic-bezier(0.22, 1, 0.36, 1) 350ms both;
}

.logo-container { display: flex; align-items: center; }
.logo { max-height: 40px; width: auto; }

.language-selector { position: relative; }

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.lang-btn:hover { border-color: var(--text-secondary); }

.flag { display: flex; align-items: center; }
.flag-img { width: 20px; height: 14px; object-fit: cover; border-radius: 2px; }

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    display: none;
    min-width: 150px;
    z-index: 100;
    overflow: hidden;
}

.lang-dropdown.active { display: block; }

.lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    text-align: left;
    transition: background 0.2s ease;
}

.lang-option:hover { background: #f7fafc; }

.main-content {
    flex: 1;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: center;
    padding: 64px 0;
}

.hero-section { 
    display: flex;
    flex-direction: column;
    padding-top: 6px;
    max-width: 620px;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-color);
}

.hero-subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 24px; }

.link-free { color: var(--primary-color); text-decoration: none; font-style: italic; }
.link-free:hover { text-decoration: underline; }

.hero-image { 
    position: relative; 
    max-width: 560px;
    margin-top: 28px;
}

.person-image { 
    width: 100%; 
    height: auto; 
    border-radius: 0;
    object-fit: contain;
}

.payment-section {
    background: var(--background-color);
    padding: 56px;
    border-radius: 14px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05), 0 10px 40px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 760px;
    border: 1px solid var(--border-color);
    justify-self: end;
}

.payment-form { display: flex; flex-direction: column; gap: 32px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-size: 17px; font-weight: 500; color: var(--text-color); }

.phone-input-container {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.2s ease;
    background: var(--input-bg);
}

.phone-input-container:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.country-code {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 20px 12px;
    background: #f7fafc;
    border-right: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-color);
}

.dropdown-arrow { color: var(--text-secondary); margin-left: 2px; }

.phone-input {
    flex: 1;
    padding: 20px;
    border: none;
    font-size: 18px;
    background: var(--input-bg);
    color: var(--text-color);
}

.phone-input:focus { outline: none; }
.phone-input::placeholder { color: #a0aec0; }

.amount-input {
    width: 100%;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 18px;
    background: var(--input-bg);
    color: var(--text-color);
    transition: all 0.2s ease;
}

.amount-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.amount-input::placeholder { color: #a0aec0; }

.submit-btn {
    display: block !important;
    width: 100%;
    padding: 22px 24px;
    background: #B1D656 !important;
    background-color: #B1D656 !important;
    color: #ffffff !important;
    border: none;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.submit-btn:hover { background: var(--primary-hover); }
.submit-btn:active { transform: scale(0.98); }
.submit-btn:disabled { background: #cbd5e0; cursor: not-allowed; }

.footer {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-links a { color: var(--text-secondary); text-decoration: none; }
.footer-links a:hover { color: var(--primary-color); }

.loading .payment-section {
    opacity: 0.92;
    pointer-events: none;
    position: relative;
    overflow: hidden;
}

.loading .payment-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.55) 50%, rgba(255,255,255,0) 100%);
    transform: translateX(-120%);
    animation: evpay-shimmer 1.2s ease-in-out infinite;
    pointer-events: none;
}
.error-message { color: #e53e3e; font-size: 13px; margin-top: 4px; }
.input-error { border-color: #e53e3e !important; }

@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 0;
    }
    .hero-section { text-align: center; }
    .hero-image { margin: 0 auto; }
    .payment-section { max-width: 100%; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .hero-title { font-size: 2.15rem; }
    .payment-section { padding: 36px; }
    .footer { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.75rem; }
    .header { padding: 16px 0; }
    .lang-btn { padding: 8px 12px; }
    #lang-text { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    body { transition: none; }
    body:not(.loaded) .header,
    body:not(.loaded) .hero-section,
    body:not(.loaded) .payment-section,
    body:not(.loaded) .footer,
    body:not(.loaded) .hero-image {
        opacity: 1;
        transform: none;
    }
    body.loaded .header,
    body.loaded .hero-section,
    body.loaded .hero-image,
    body.loaded .payment-section,
    body.loaded .footer {
        animation: none;
    }
    .loading .payment-section::after { animation: none; }
}