/* style.css */
:root {
    --primary: #03277b;
    --accent: #3498db;
    --accent-yellow: #FFD700;
    --text-main: #2e2e2e;
    --text-light: #4a4a4a;
    --bg-light: #f4f6f9;
    --white: #ffffff;
    --disabled: #95a5a6;
}

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

html { scroll-behavior: smooth; }

body { 
    font-family: 'Roboto', sans-serif; 
    color: var(--text-main); 
    line-height: 1.7; 
    background-color: var(--white); 
    font-size: 18px; 
    overflow-x: hidden; 
}

h1, h2, h3, h4, h5 { 
    font-family: 'PT Sans Narrow', sans-serif; 
    text-transform: uppercase; 
    font-weight: 700; 
    line-height: 1.2; 
    margin-bottom: 20px; 
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 40px 0; }
.text-center { text-align: center; }
.section-title { font-size: 42px; color: var(--primary); margin-bottom: 50px; }

/* Кнопки */
.btn { 
    display: inline-block; 
    padding: 18px 45px; 
    border-radius: 50px; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-weight: 700; 
    text-transform: uppercase; 
    font-size: 20px; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    border: none; 
}

.btn-primary { 
    background: var(--accent); 
    color: var(--white); 
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4); 
}

.btn-primary:hover { 
    background: #2980b9; 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4); 
}

.btn-outline { 
    background: transparent; 
    border: 2px solid var(--white); 
    color: var(--white); 
}

.btn-outline:hover { 
    background: var(--accent-yellow); 
    border-color: var(--accent-yellow); 
    color: var(--primary); 
}

/* Header */
header { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000; 
    background: rgba(3, 39, 123, 0.95); 
    backdrop-filter: blur(10px); 
    padding: 15px 0; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
    border-bottom: 3px solid var(--accent-yellow); 
    transition: padding 0.3s; 
}

header.scrolled { padding: 10px 0; }

.nav-container { display: flex; justify-content: space-between; align-items: center; }

.logo-link { 
    display: block; 
    color: var(--white); 
    font-family: 'Roboto', sans-serif; 
    font-weight: 700; 
    font-size: 13px; 
    line-height: 1.3; 
    max-width: 280px; 
    text-transform: uppercase; 
    transition: opacity 0.3s; 
}

.logo-link:hover { opacity: 0.8; }

.nav-menu { display: flex; gap: 25px; }

.nav-menu a { 
    color: var(--white); 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-weight: 700; 
    font-size: 16px; 
    text-transform: uppercase; 
    position: relative; 
}

.nav-menu a.active { color: var(--accent-yellow); }

.nav-menu a.active::after { 
    content: ''; 
    position: absolute; 
    bottom: -5px; 
    left: 0; 
    width: 100%; 
    height: 2px; 
    background: var(--accent-yellow); 
}

.nav-menu a:hover { color: var(--accent-yellow); }
.mobile-toggle { display: none; color: white; font-size: 24px; cursor: pointer; }

/* Hero */
.hero { 
    background: linear-gradient(135deg, rgba(3, 39, 123, 0.8), rgba(3, 39, 123, 0.6)), url('img/bg-hero.jpg') center/cover no-repeat; 
    background-color: var(--primary); 
/*    height: 100vh; */
    min-height: 650px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    color: var(--white); 
    padding-top: 80px; 
    position: relative; 
}

.hero-content h1 { 
    font-size: 56px; 
    margin-bottom: 15px; 
    letter-spacing: 2px; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.3); 
}

.hero-content h2 { 
    font-family: 'Roboto', sans-serif; 
    font-weight: 300; 
    font-size: 24px; 
    margin-bottom: 10px; 
    opacity: 0.95; 
    text-transform: none; 
}

.hero-date { 
    font-family: 'Economica', sans-serif; 
    font-size: 28px; 
    font-weight: 700; 
    margin-bottom: 40px; 
    display: block; 
    color: var(--accent-yellow); 
    text-shadow: 0 2px 4px rgba(0,0,0,0.5); 
    letter-spacing: 1px; 
}

.hero-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }

.stats-grid { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 20px; 
    background: rgba(255,255,255,0.1); 
    padding: 30px; 
    border-radius: 12px; 
    backdrop-filter: blur(5px); 
    border: 1px solid rgba(255,255,255,0.2); 
}

.stat-item h3 { 
    font-family: 'Economica', sans-serif; 
    font-size: 52px; 
    color: var(--accent-yellow); 
    margin-bottom: 5px; 
}

.stat-item p { 
    font-size: 15px; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    font-weight: 500; 
}

/* Speakers */
#speakers { background: var(--bg-light); }

.speakers-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }

.speaker-card { 
    background: var(--white); 
    border-radius: 8px; 
    overflow: hidden; 
    box-shadow: 0 5px 20px rgba(0,0,0,0.05); 
    transition: transform 0.3s ease; 
    display: flex; 
    flex-direction: column; 
    border-bottom: 4px solid transparent; 
}

.speaker-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); 
    border-bottom: 4px solid var(--accent-yellow); 
}

.speaker-img-wrapper { position: relative; height: 380px; overflow: hidden; }

.speaker-img-wrapper img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    object-position: top center; 
    transition: transform 0.5s ease; 
}

.speaker-card:hover .speaker-img-wrapper img { transform: scale(1.05); }

.speaker-name-overlay { 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    width: 100%; 
    padding: 25px 20px; 
    background: linear-gradient(to top, rgba(3, 39, 123, 0.95), transparent); 
    color: var(--white); 
    z-index: 2; 
}

.speaker-name-overlay h3 { 
    font-size: 26px; 
    margin: 0; 
    line-height: 1.2; 
    text-transform: none; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-weight: 700; 
}

.speaker-content { padding: 30px; flex-grow: 1; display: flex; flex-direction: column; }

.speaker-topic { 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-size: 20px; 
    font-weight: 700; 
    color: var(--primary); 
    margin-bottom: 15px; 
    line-height: 1.3; 
    text-align: left; 
}

.speaker-desc { 
    font-size: 16px; 
    color: var(--text-light); 
    line-height: 1.6; 
    text-align: left; 
    flex-grow: 1; 
}

/* Info Blocks */
.info-section { background: var(--white); }

.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }

.info-block h3 { 
    color: var(--primary); 
    font-size: 28px; 
    margin-bottom: 25px; 
    border-left: 5px solid var(--accent-yellow); 
    padding-left: 20px; 
}

.info-block p, .info-block li { 
    font-size: 18px; 
    color: var(--text-light); 
    margin-bottom: 20px; 
    text-align: left; 
}

.info-block ul { list-style: disc; padding-left: 25px; }
.info-block ul li { margin-bottom: 15px; }

.target-audience { 
    background: var(--bg-light); 
    padding: 50px; 
    border-radius: 12px; 
    margin-top: 60px; 
    border-top: 4px solid var(--accent-yellow); 
}

.target-audience h3 { 
    text-align: center; 
    border: none; 
    padding: 0; 
    margin-bottom: 40px; 
    font-size: 32px; 
}

.target-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 25px; }

.target-item { 
    background: var(--white); 
    padding: 25px; 
    border-radius: 8px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.03); 
    display: flex; 
    align-items: flex-start; 
    gap: 20px; 
}

.target-item i { color: var(--accent-yellow); font-size: 24px; margin-top: 3px; flex-shrink: 0; }

/* Schedule */
#schedule { background: var(--white); }

.schedule-controls { display: flex; justify-content: center; gap: 15px; margin-bottom: 30px; flex-wrap: wrap; }

.schedule-btn { 
    padding: 10px 25px; 
    border: 2px solid var(--primary); 
    background: transparent; 
    color: var(--primary); 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-weight: 700; 
    font-size: 18px; 
    border-radius: 30px; 
    cursor: pointer; 
    transition: all 0.3s; 
}

.schedule-btn.active, .schedule-btn:hover { 
    background: var(--primary); 
    color: var(--white); 
}

.schedule-table { width: 100%; border-collapse: collapse; font-size: 19px; border-bottom: 4px solid var(--primary); }

.schedule-table th { 
    background: var(--primary); 
    color: var(--white); 
    padding: 15px; 
    text-align: left; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-size: 20px; 
    text-transform: uppercase; 
}

.schedule-table td { padding: 15px 20px; border-bottom: 1px solid #eee; vertical-align: top; }

.time-col { 
    width: 130px; 
    font-family: 'Economica', sans-serif; 
    font-weight: 700; 
    font-size: 24px; 
    color: var(--primary); 
    white-space: nowrap; 
}

.day-row td { 
    background: #f0f4f8; 
    color: var(--primary); 
    font-size: 24px; 
    font-weight: 700; 
    text-align: center; 
    padding: 12px; 
    border-top: 3px solid var(--accent-yellow); 
    border-bottom: 3px solid var(--accent-yellow); 
}

.topic-cell strong { 
    display: block; 
    font-size: 20px; 
    color: var(--text-main); 
    margin-bottom: 5px; 
    font-family: 'PT Sans Narrow', sans-serif; 
    line-height: 1.3; 
}

.topic-cell span { color: var(--text-light); font-size: 17px; font-weight: 500; }

.break-row td { 
    background: #fafafa; 
    text-align: center; 
    font-style: italic; 
    color: #888; 
    padding: 10px; 
    font-size: 16px; 
}

.add-to-calendar-btn { 
    display: inline-block; 
    margin-top: 30px; 
    padding: 12px 25px; 
    background: var(--accent-yellow); 
    color: var(--primary); 
    font-weight: 700; 
    border-radius: 30px; 
    font-family: 'PT Sans Narrow', sans-serif; 
    text-transform: uppercase; 
    font-size: 16px; 
    border: none; 
    cursor: pointer; 
    transition: 0.3s; 
}

.add-to-calendar-btn:hover { 
    background: #e6c200; 
    transform: translateY(-2px); 
}

@media (max-width: 768px) {
    .schedule-table, .schedule-table tbody, .schedule-table tr, .schedule-table td { display: block; width: 100%; }
    .schedule-table thead { display: none; }
    .schedule-table tr { margin-bottom: 20px; border: 1px solid #eee; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
    .day-row td { font-size: 20px; }
    .schedule-table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #f5f5f5; }
    .time-col { width: 100%; text-align: center; background: #f8f9fa; padding: 8px; font-size: 22px; border-bottom: 1px solid #eee; color: var(--primary); }
    .topic-cell { padding-top: 15px; }
    .break-row td { text-align: center; }
}

/* Lead Magnet */
#lead-magnet { 
    background: linear-gradient(135deg, #f4f6f9 0%, #eef2f5 100%); 
    border-top: 1px solid #ddd; 
    border-bottom: 1px solid #ddd; 
}

.magnet-wrapper { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    gap: 50px; 
    background: var(--white); 
    padding: 50px; 
    border-radius: 12px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); 
    border-left: 6px solid var(--accent-yellow); 
}

.magnet-text { flex: 1; }

.magnet-text h3 { color: var(--primary); font-size: 32px; margin-bottom: 15px; line-height: 1.2; }
.magnet-text p { color: var(--text-light); font-size: 18px; line-height: 1.6; margin-bottom: 0; }

.magnet-form-wrapper { flex: 0 0 400px; }

.magnet-form { display: flex; flex-direction: column; gap: 15px; }

.magnet-form input { 
    width: 100%; 
    padding: 15px 20px; 
    border: 2px solid #eee; 
    border-radius: 30px; 
    font-size: 16px; 
    outline: none; 
    transition: border-color 0.3s; 
}

.magnet-form input:focus { border-color: var(--accent); }

.magnet-form button { 
    width: 100%; 
    background: var(--primary); 
    color: var(--white); 
    border: none; 
    padding: 15px 30px; 
    border-radius: 30px; 
    font-weight: 700; 
    cursor: pointer; 
    text-transform: uppercase; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-size: 18px; 
    transition: 0.3s; 
}

.magnet-form button:hover { 
    background: var(--accent); 
    transform: translateY(-2px); 
}

@media (max-width: 992px) {
    .magnet-wrapper { flex-direction: column; text-align: center; padding: 30px; gap: 30px; }
    .magnet-text h3 { font-size: 26px; }
    .magnet-form-wrapper { flex: 1; width: 100%; }
}

@media (max-width: 480px) {
    .magnet-wrapper { padding: 20px; }
    .magnet-text h3 { font-size: 22px; }
    .magnet-text p { font-size: 16px; }
}

/* Countdown */
#countdown-section { 
    background: var(--primary); 
    color: var(--white); 
    padding: 40px 0; 
    text-align: center; 
}

.countdown-title { 
    font-size: 24px; 
    margin-bottom: 20px; 
    font-family: 'PT Sans Narrow', sans-serif; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
}

.countdown-timer { display: flex; justify-content: center; gap: 30px; font-family: 'Economica', sans-serif; }

.countdown-item { display: flex; flex-direction: column; align-items: center; }

.countdown-value { 
    font-size: 48px; 
    font-weight: 700; 
    color: var(--accent-yellow); 
    line-height: 1; 
}

.countdown-label { 
    font-size: 14px; 
    text-transform: uppercase; 
    opacity: 0.8; 
    margin-top: 5px; 
}

@media (max-width: 600px) { 
    .countdown-timer { gap: 15px; } 
    .countdown-value { font-size: 32px; } 
}

/* Pricing */
#register { 
    background: linear-gradient(135deg, var(--primary) 0%, #0d4bd6 100%); 
    color: var(--white); 
}

#register .section-title { color: var(--white); }

.pricing-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 30px; 
    margin-top: 40px; 
}

.price-card { 
    background: var(--white); 
    color: var(--text-main); 
    border-radius: 12px; 
    padding: 45px 35px; 
    text-align: center; 
    position: relative; 
    transition: transform 0.3s; 
    display: flex; 
    flex-direction: column; 
}

.price-card.featured { 
    transform: scale(1.05); 
    border: 4px solid var(--accent-yellow); 
    z-index: 2; 
    padding-top: 55px; 
}

.price-card:hover { transform: translateY(-10px); }

.price-card.featured:hover { transform: scale(1.05) translateY(-10px); }

.price-card.disabled { 
    opacity: 0.6; 
    filter: grayscale(100%); 
    transform: none; 
    border: 1px solid #ddd; 
}

.price-card.disabled:hover { transform: none; }

.price-title { 
    font-size: 26px; 
    color: var(--primary); 
    margin-bottom: 20px; 
    font-family: 'PT Sans Narrow', sans-serif; 
}

.price-amount { 
    font-family: 'Economica', sans-serif; 
    font-size: 60px; 
    font-weight: 700; 
    color: var(--text-main); 
    margin-bottom: 25px; 
}

.price-features { margin-bottom: 35px; flex-grow: 1; text-align: left; }

.price-features li { 
    margin-bottom: 15px; 
    font-size: 17px; 
    color: var(--text-light); 
    padding-left: 25px; 
    position: relative; 
}

.price-features li::before { 
    content: '✓'; 
    color: var(--accent-yellow); 
    position: absolute; 
    left: 0; 
    font-weight: bold; 
}

.price-btn { 
    background: var(--primary); 
    color: var(--white); 
    padding: 15px 30px; 
    border-radius: 30px; 
    font-weight: 700; 
    text-transform: uppercase; 
    display: inline-block; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-size: 18px; 
}

.price-card.featured .price-btn { 
    background: var(--accent-yellow); 
    color: var(--primary); 
}

.btn-disabled { 
    background: var(--disabled); 
    color: #fff; 
    cursor: not-allowed; 
    box-shadow: none; 
    opacity: 0.7; 
    position: relative; 
}

.btn-disabled:hover { 
    transform: none; 
    background: var(--disabled); 
    box-shadow: none; 
}

.sold-out-badge { 
    position: absolute; 
    top: -10px; 
    right: -10px; 
    background: #e74c3c; 
    color: white; 
    font-size: 12px; 
    padding: 5px 10px; 
    border-radius: 20px; 
    font-weight: bold; 
    text-transform: uppercase; 
    font-family: 'PT Sans Narrow', sans-serif; 
}

/* Желтая плашка внутри карточки */
.featured-label {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--accent-yellow);
    color: var(--primary);
    font-size: 14px;
    padding: 8px;
    font-weight: bold;
    border-radius: 12px 12px 0 0;
    text-align: center;
    text-transform: uppercase;
    font-family: 'PT Sans Narrow', sans-serif;
}

/* Стили для чекбокса согласия */
.price-consent {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.price-consent label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.4;
}

.price-consent input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
    accent-color: var(--primary);
}

.price-consent a {
    display: inline;
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px dashed;
}

.price-consent a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

@media (max-width: 480px) {
    .price-consent label {
        font-size: 13px;
    }
}

/* FAQ */
#faq { background: var(--bg-light); }

details.faq-item { 
    background: var(--white); 
    margin-bottom: 20px; 
    border-radius: 8px; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); 
    overflow: hidden; 
}

summary.faq-question { 
    padding: 25px; 
    cursor: pointer; 
    font-weight: 700; 
    color: var(--primary); 
    list-style: none; 
    position: relative; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-size: 20px; 
}

summary.faq-question::-webkit-details-marker { display: none; }

summary.faq-question::after { 
    content: '+'; 
    position: absolute; 
    right: 25px; 
    font-size: 28px; 
    color: var(--accent-yellow); 
    line-height: 1; 
}

details[open] summary.faq-question::after { content: '-'; }

.faq-answer-content { 
    padding: 0 25px 25px; 
    color: var(--text-light); 
    line-height: 1.7; 
    font-size: 17px; 
}

/* Footer */
footer { 
    background: #1a1a1a; 
    color: #aaa; 
    padding: 60px 0 30px; 
    font-size: 16px; 
    border-top: 4px solid var(--accent-yellow); 
}

.footer-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
    gap: 40px; 
    margin-bottom: 50px; 
}

.footer h4 { 
    color: var(--white); 
    margin-bottom: 25px; 
    font-family: 'PT Sans Narrow', sans-serif; 
    font-size: 20px; 
}

.footer a { color: #ccc; }
.footer a:hover { color: var(--accent-yellow); }

.tg-qr-block { margin-top: 25px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,0.1); }

.tg-qr-block img { 
    width: 120px; 
    height: auto; 
    margin: 0 auto 15px; 
    background: white; 
    padding: 8px; 
    border-radius: 6px; 
    display: block; 
}

.tg-qr-block p { font-size: 14px; text-align: center; margin: 0; color: #ccc; }

.copyright { 
    text-align: center; 
    border-top: 1px solid #333; 
    padding-top: 30px; 
    font-size: 14px; 
}

/* Animation Classes */
.fade-in-section {
    /* Обязательно скрываем изначально */
    opacity: 0;
    transform: translateY(30px);
    
    /* Оптимизация для мобильных GPU */
    will-change: opacity, transform;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
    will-change: auto;
}

/* Media Queries */
@media (max-width: 992px) { 
    .speakers-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; } 
    .hero-content h1 { font-size: 46px; } 
}

@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .nav-menu { 
        display: none; 
        flex-direction: column; 
        position: absolute; 
        top: 100%; 
        left: 0; 
        width: 100%; 
        background: var(--primary); 
        padding: 20px; 
        text-align: center; 
    }
    .nav-menu.active { display: flex; }
    .hero-content h1 { font-size: 36px; }
    .hero-content h2 { font-size: 20px; }
    .hero-date { font-size: 22px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .speakers-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; gap: 40px; }
    .price-card.featured { transform: none; padding-top: 45px; }
    .price-card.featured:hover { transform: translateY(-5px); }
    .section-title { font-size: 32px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .tg-qr-block { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 20px; padding-top: 20px; }

    .target-audience { padding: 20px; }
    .target-item { padding: 15px; }
}