/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-block;
    padding: 14px var(--spacing-lg);
    font-size: var(--font-size-md);
    font-weight: 500;
    font-family: var(--font-body);
    text-align: center;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-medium);
    border: none;
    text-decoration: none;
    letter-spacing: 0.03em;
    position: relative;
    overflow: hidden;
}

/* Shine effect on hover */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(94, 113, 66, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(94, 113, 66, 0.3);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(94, 113, 66, 0.2);
}

.btn-submit {
    width: 100%;
    font-size: var(--font-size-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    letter-spacing: 0.04em;
}

.btn-submit:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
}

/* =============================================
   SPEAKER CARDS
   ============================================= */
.speaker-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(94, 113, 66, 0.06);
    position: relative;
    overflow: hidden;
}

/* Decorative corner accent */
.speaker-card::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, var(--color-accent-rose) 0%, transparent 70%);
    opacity: 0.15;
    border-radius: 50%;
    transition: all var(--transition-medium);
}

.speaker-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.speaker-card:hover::after {
    opacity: 0.25;
    transform: scale(1.3);
}

.speaker-image {
    margin-bottom: var(--spacing-md);
    position: relative;
}

/* Couple speaker card */
.speaker-card--couple {
    width: 100%;
    padding: var(--spacing-xl);
}

.speaker-card--couple .speaker-image {
    margin-bottom: var(--spacing-lg);
}

.speaker-card--couple .speaker-image img {
    width: 240px;
    height: 240px;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-bg-cream);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.speaker-card--couple:hover .speaker-image img {
    transform: scale(1.03);
    box-shadow: var(--shadow-xl);
}

.speaker-card--couple .speaker-name {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.speaker-location {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.02em;
}

.speaker-bio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.speaker-bio-item {
    background: linear-gradient(135deg, var(--color-bg-cream), var(--color-bg-warm));
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(94, 113, 66, 0.08);
}

.speaker-bio-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--font-size-md);
    font-weight: 600;
    font-style: italic;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
}

.speaker-bio-item p {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    line-height: 1.6;
    font-weight: 300;
    margin-bottom: 0;
}

.speaker-family {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    font-weight: 300;
    font-style: italic;
    margin-bottom: 0;
}

.speaker-image img {
    width: 160px;
    height: 160px;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--color-bg-cream);
}

.speaker-placeholder {
    width: 160px;
    height: 160px;
    margin: 0 auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md), inset 0 0 30px rgba(0, 0, 0, 0.05);
    background: linear-gradient(145deg, var(--color-primary-light), var(--color-accent), var(--color-accent-rose));
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    position: relative;
    border: 3px solid var(--color-bg-cream);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Decorative ring around speaker avatar */
.speaker-placeholder::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px dashed rgba(94, 113, 66, 0.2);
}

.speaker-initials {
    font-size: var(--font-size-4xl);
    font-weight: 600;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-style: italic;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.speaker-name {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-heading);
    font-weight: 600;
    font-style: italic;
    letter-spacing: 0.01em;
}

.speaker-title {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

.speaker-bio {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    line-height: 1.7;
    font-weight: 300;
}

/* =============================================
   PRICING & PAYMENT
   ============================================= */
.pricing-block {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
    margin-bottom: var(--spacing-xs);
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 600;
    font-family: var(--font-heading);
    color: var(--color-white);
    line-height: 1;
    letter-spacing: -0.02em;
}

.price-currency {
    font-size: var(--font-size-2xl);
    font-weight: 500;
    color: var(--color-white);
    opacity: 0.8;
    font-family: var(--font-heading);
}

.pricing-block .price-note {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-bottom: 0;
    font-weight: 300;
    font-style: italic;
}

/* Payment Info */
.payment-info {
    background: rgba(255, 255, 255, 0.06);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xs);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.payment-info h3 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    font-style: italic;
    font-weight: 500;
}

.payment-details {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(212, 197, 160, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0 0 0;
    text-align: center;
    backdrop-filter: blur(8px);
}

.payment-header {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: 6px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    opacity: 0.85;
}

.payment-phone {
    display: block;
    color: var(--color-secondary);
    font-size: clamp(18px, 5vw, 26px);
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: 6px;
    transition: all var(--transition-medium);
    letter-spacing: clamp(-1px, -0.2vw, 0.5px);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    position: relative;
}

.payment-phone::after {
    content: 'нажмите, чтобы скопировать';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-family: var(--font-body);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.03em;
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.payment-phone:hover::after {
    opacity: 1;
}

.payment-phone:hover {
    color: var(--color-white);
    transform: scale(1.02);
}

.payment-bank {
    color: rgba(255, 255, 255, 0.6);
    font-size: clamp(12px, 3vw, 13px);
    font-weight: 300;
    margin-bottom: 0;
    white-space: nowrap;
    letter-spacing: 0.02em;
    margin-top: var(--spacing-xs);
}

.registration-instruction {
    background: rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--color-accent-rose);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-xs);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 400;
    text-align: left;
    font-style: italic;
    line-height: 1.6;
}

/* Telegram CTA in registration */
.telegram-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(41, 182, 246, 0.25), rgba(38, 166, 224, 0.15));
    border: 1.5px solid rgba(41, 182, 246, 0.4);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-medium);
    box-shadow:
        0 4px 20px rgba(41, 182, 246, 0.2),
        0 0 30px rgba(41, 182, 246, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: telegramPulse 3s ease-in-out infinite;
}

@keyframes telegramPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(41, 182, 246, 0.2), 0 0 30px rgba(41, 182, 246, 0.1); }
    50% { box-shadow: 0 4px 25px rgba(41, 182, 246, 0.35), 0 0 45px rgba(41, 182, 246, 0.2); }
}

.telegram-cta:hover {
    background: linear-gradient(135deg, rgba(41, 182, 246, 0.4), rgba(38, 166, 224, 0.25));
    border-color: rgba(41, 182, 246, 0.6);
    transform: translateY(-3px);
    box-shadow:
        0 8px 32px rgba(41, 182, 246, 0.35),
        0 0 50px rgba(41, 182, 246, 0.2);
    animation: none;
}

.telegram-cta svg {
    flex-shrink: 0;
    opacity: 1;
    filter: drop-shadow(0 0 6px rgba(41, 182, 246, 0.5));
}

.telegram-cta span {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.telegram-cta strong {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 600;
    font-style: italic;
}

.telegram-cta span {
    font-size: var(--font-size-sm);
    font-weight: 300;
    opacity: 0.85;
}

/* Registration warning */
.registration-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: rgba(196, 164, 160, 0.15);
    border-left: 3px solid var(--color-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 400;
    text-align: left;
    font-style: italic;
    line-height: 1.6;
}

.registration-warning svg {
    flex-shrink: 0;
    margin-top: 2px;
    opacity: 0.85;
}

/* =============================================
   REGISTRATION FORM
   ============================================= */
.registration-form {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
}

/* Subtle decorative dot in corner */
.registration-form::before {
    content: '';
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-rose), var(--color-accent));
    opacity: 0.4;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--color-dark);
    font-size: var(--font-size-sm);
    letter-spacing: 0.01em;
}

.form-group .required {
    color: var(--color-accent-rose);
    opacity: 0.8;
    font-weight: 400;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px var(--spacing-md);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-medium);
    background-color: var(--color-white);
    color: var(--color-dark);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-light);
    font-weight: 300;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input[type="file"] {
    padding: 12px;
    cursor: pointer;
    background-color: var(--color-bg-cream);
    border-style: dashed;
}

.form-group input[type="file"]::file-selector-button {
    padding: 8px var(--spacing-md);
    margin-right: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: all var(--transition-medium);
    letter-spacing: 0.02em;
}

.form-group input[type="file"]::file-selector-button:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
}

.form-group .file-info {
    display: block;
    margin-top: 6px;
    font-size: var(--font-size-xs);
    color: var(--color-gray-light);
    font-weight: 300;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(94, 113, 66, 0.1);
    background-color: var(--color-white);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(196, 91, 74, 0.08);
}

.form-group input.success,
.form-group textarea.success {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(107, 158, 78, 0.08);
}

.form-group .error-message {
    display: block;
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    min-height: 0;
    font-weight: 400;
}

/* =============================================
   MODAL
   ============================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(42, 42, 40, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--radius-2xl);
    text-align: center;
    max-width: 460px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-medium);
    position: relative;
    overflow: hidden;
}

/* Decorative gradient bar at top of modal */
.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-success), var(--color-accent-rose));
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    margin-bottom: var(--spacing-md);
}

.modal-header svg {
    margin: 0 auto var(--spacing-md);
}

.modal-header h3 {
    color: var(--color-success);
    font-size: var(--font-size-2xl);
    font-family: var(--font-heading);
    font-style: italic;
}

.modal-content p {
    font-size: var(--font-size-md);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-weight: 300;
}

.modal-content .btn {
    min-width: 160px;
}

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading state for button */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::before {
    display: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-white);
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =============================================
   COPY TOOLTIP
   ============================================= */
.copy-tooltip {
    display: inline-block;
    position: relative;
}