/* 
 * GSIS Book (Gestão Sistêmica) - Specific CSS
 * Contains all CSS classes used in templates/tube/sales_pages/livro_gestao_sistemica/
 * 
 * This file isolates GSIS book styles to prevent conflicts with other CSS files
 */

/* ===== CSS OVERRIDES TO FIX VITRINE.CSS CONFLICTS ===== */
/* Fix Bootstrap container class override from vitrine.css */
.gsis-hero-section .container,
.section .container,
.cta-section .container {
    display: block !important;
    width: auto !important;
    max-width: 1140px !important;
    height: auto !important;
    margin: 0 auto !important;
    padding: 0 15px !important;
    box-sizing: border-box !important;
    flex-direction: row !important;
}

/* Reset Bootstrap grid system that might be affected */
.gsis-hero-section .row,
.section .row {
    display: flex !important;
    flex-wrap: wrap !important;
    margin-right: -15px !important;
    margin-left: -15px !important;
}

/* Ensure Bootstrap columns work properly */
.gsis-hero-section [class*="col-"],
.section [class*="col-"] {
    position: relative !important;
    width: 100% !important;
    padding-right: 15px !important;
    padding-left: 15px !important;
    flex-basis: 0 !important;
    flex-grow: 1 !important;
    max-width: 100% !important;
}

/* Fix specific Bootstrap responsive classes */
@media (min-width: 992px) {
    .gsis-hero-section .col-lg-6,
    .section .col-lg-6 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }
}

/* Reset any unwanted flexbox behavior */
.gsis-hero-section,
.section-dark,
.section-darker {
    display: block !important;
    width: 100% !important;
    height: auto !important;
}

/* Ensure proper responsive behavior */
@media (max-width: 1200px) {
    .gsis-hero-section .container,
    .section .container {
        max-width: 960px !important;
    }
}

@media (max-width: 992px) {
    .gsis-hero-section .container,
    .section .container {
        max-width: 720px !important;
    }
}

@media (max-width: 768px) {
    .gsis-hero-section .container,
    .section .container {
        max-width: 540px !important;
    }
}

@media (max-width: 576px) {
    .gsis-hero-section .container,
    .section .container {
        max-width: 100% !important;
        padding: 0 15px !important;
    }
    
    /* Additional mobile optimizations for small screens */
    .gsis-hero-content {
        padding: 15px 0;
    }
    
    .gsis-hero-title {
        font-size: 28px !important;
        line-height: 1.3;
    }
    
    .gsis-hero-description {
        font-size: 16px !important;
    }
    
    .gsis-announcement-badge {
        font-size: 12px;
        padding: 8px 16px;
    }
    
    .gsis-book-mobile .gsis-book-image {
        width: 60% !important;
        max-width: 200px;
    }
    
    .gsis-feature-item {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    /* Make benefits even more compact on small screens */
    .gsis-benefits-grid {
        gap: 10px;
    }
    
    .gsis-benefit-card {
        padding: 12px 8px;
    }
    
    .gsis-benefit-card i {
        font-size: 20px !important;
        margin-bottom: 6px;
    }
    
    .gsis-benefit-card span {
        font-size: 12px !important;
        line-height: 1.2;
    }
    
    /* Further optimize event section for very small screens */
    .gsis-event-activities {
        gap: 8px;
    }
    
    .gsis-activity-item {
        padding: 10px;
        font-size: 13px;
    }
    
    .gsis-activity-item i {
        font-size: 14px;
        margin-right: 8px;
        width: 18px;
    }
    
    .gsis-countdown-item {
        padding: 10px;
    }
    
    .gsis-countdown-number {
        font-size: 28px !important;
    }
    
    .gsis-countdown-label {
        font-size: 12px;
    }
    
    /* Optimize WhatsApp button for mobile */
    .gsis-whatsapp-button {
        font-size: 14px;
        padding: 10px 16px;
    }
    
    .gsis-whatsapp-button span {
        display: block;
        text-align: center;
    }
    
    /* Even tighter spacing for very small screens */
    .gsis-countdown-section {
        padding: 20px 15px !important;
        margin: 20px 0;
    }
    
    .gsis-launch-event {
        padding: 15px !important;
        margin-top: 20px;
    }
}

/* ===== GLOBAL SECTION STYLES ===== */
.section {
    padding: 80px 0;
}

.section-dark {
    background-color: #1a1a1a;
}

.section-darker {
    background-color: #0f0f0f;
    background-image: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.section-subtitle {
    font-size: 18px;
    color: #aaa;
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.6;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #feaf50, #ffc107);
    margin: 0 auto 40px;
    border-radius: 2px;
}

/* ===== GSIS HERO SECTION ===== */
.gsis-hero-section {
    position: relative;
    display: block !important;
    overflow: hidden;
}

/* Fix alignment for hero content */
.gsis-hero-section .row {
    align-items: center !important;
}

.gsis-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.gsis-hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.gsis-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 15, 15, 0.9) 0%,
        rgba(26, 26, 26, 0.85) 50%,
        rgba(48, 48, 48, 0.8) 100%
    );
    z-index: 2;
}

.gsis-hero-section .container {
    position: relative;
    z-index: 3;
}

.gsis-hero-content {
    padding: 40px 0;
}

.gsis-welcome-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(254, 175, 80, 0.15);
    color: #feaf50;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(254, 175, 80, 0.3);
}

.gsis-welcome-badge i {
    margin-right: 8px;
    font-size: 16px;
}

.gsis-announcement-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    color: #000;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(254, 175, 80, 0.3);
    animation: pulse 2s infinite;
}

.gsis-badge-icon {
    margin-right: 8px;
    font-size: 16px;
}

.gsis-hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 25px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.gsis-highlight {
    color: #feaf50;
}

.gsis-hero-description {
    font-size: 20px;
    color: #ccc;
    line-height: 1.5;
    margin-bottom: 40px;
}

.gsis-hero-features {
    margin-bottom: 40px;
}

.gsis-feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 16px;
    color: #fff;
}

.gsis-feature-item i {
    color: #feaf50;
    font-size: 18px;
    margin-right: 15px;
    width: 25px;
    text-align: center;
}

.gsis-feature-item span {
    font-weight: 500;
}

.gsis-cta-section {
    margin-top: 40px;
}

.gsis-cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    color: #000;
    padding: 15px 35px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(254, 175, 80, 0.4);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.gsis-cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.gsis-cta-button:hover {
    background: linear-gradient(135deg, #ffc107 0%, #feaf50 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(254, 175, 80, 0.5);
    color: #000;
}

.gsis-cta-button:hover::before {
    left: 100%;
}

/* ===== GSIS URGENCY SECTION ===== */
.gsis-urgency-section {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.15) 0%, rgba(255, 193, 7, 0.1) 100%) !important;
    border: 2px solid rgba(220, 53, 69, 0.4) !important;
    border-radius: 12px;
    padding: 30px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(220, 53, 69, 0.2) !important;
}

.gsis-urgency-content {
    position: relative;
    z-index: 2;
}

.gsis-urgency-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(254, 175, 80, 0.1), transparent);
    animation: shimmer 3s infinite;
    pointer-events: none;
}

.gsis-urgency-icon {
    color: #dc3545 !important;
    font-size: 64px !important;
    margin-bottom: 20px;
    text-align: center;
    display: block;
    text-shadow: 0 4px 15px rgba(220, 53, 69, 0.5) !important;
    filter: drop-shadow(0 0 20px rgba(220, 53, 69, 0.8));
}

.gsis-limited-badge {
    background: linear-gradient(135deg, #dc3545 0%, #ff6b6b 100%);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
    display: block;
    text-align: center;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 3px 10px rgba(220, 53, 69, 0.4);
}

.gsis-urgency-description {
    font-size: 16px;
    color: #fff;
    margin-bottom: 20px;
    text-align: center;
}

.gsis-urgency-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.gsis-stat-item {
    text-align: center;
    padding: 0 15px;
}

.gsis-stat-number {
    font-size: 32px !important;
    font-weight: 800 !important;
    color: #dc3545 !important;
    display: block;
    line-height: 1;
    text-shadow: 0 2px 8px rgba(220, 53, 69, 0.5) !important;
    background: linear-gradient(135deg, #dc3545 0%, #ff6b6b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gsis-stat-label {
    font-size: 12px;
    color: #ccc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 5px;
}

.gsis-stat-divider {
    width: 2px;
    height: 50px;
    background: linear-gradient(180deg, transparent, #dc3545, transparent) !important;
    border-radius: 1px;
    box-shadow: 0 0 10px rgba(220, 53, 69, 0.5);
}

/* ===== COUNTDOWN SECTION ===== */
.gsis-countdown-section {
    background: linear-gradient(135deg, rgba(254, 175, 80, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    border-radius: 16px;
    padding: 40px;
    margin: 40px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(254, 175, 80, 0.2);
}

.gsis-countdown-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(254, 175, 80, 0.05), transparent);
    animation: shimmer 4s infinite;
}

.gsis-countdown-header {
    position: relative;
    z-index: 2;
    margin-bottom: 30px;
}

.gsis-countdown-icon {
    color: #feaf50;
    font-size: 48px;
    margin-bottom: 20px;
}

.gsis-countdown-header h3 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.gsis-launch-date {
    font-size: 32px;
    font-weight: 800;
    color: #feaf50;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.gsis-book-format-info {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 20px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: inline-block;
}

.gsis-book-format-info i {
    color: #feaf50;
    margin-right: 8px;
}

.gsis-countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.gsis-countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(254, 175, 80, 0.3);
    transition: all 0.3s ease;
}

.gsis-countdown-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(254, 175, 80, 0.3);
    border-color: #feaf50;
}

.gsis-countdown-number {
    font-size: 48px;
    font-weight: 800;
    color: #feaf50;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.gsis-countdown-label {
    font-size: 14px;
    color: #ccc;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
    font-weight: 500;
}

.gsis-countdown-separator {
    font-size: 32px;
    color: #feaf50;
    font-weight: 800;
    animation: blink 1s infinite;
}

/* ===== LAUNCH EVENT SECTION ===== */
.gsis-launch-event {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    position: relative;
}

.gsis-event-divider {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    justify-content: center;
}

.gsis-event-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, #feaf50, transparent);
    flex: 1;
}

.gsis-event-icon {
    color: #feaf50;
    font-size: 24px;
    margin: 0 20px;
    background: rgba(254, 175, 80, 0.1);
    padding: 10px;
    border-radius: 50%;
}

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

.gsis-event-header h4 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.gsis-event-date-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    color: #000;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(254, 175, 80, 0.4);
}

.gsis-event-date-badge i {
    margin-right: 8px;
}

.gsis-event-details {
    margin-bottom: 30px;
}

.gsis-event-title {
    text-align: center;
    margin-bottom: 20px;
}

.gsis-event-title h5 {
    font-size: 20px;
    font-weight: 600;
    color: #feaf50;
}

.gsis-event-activities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.gsis-activity-item {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.gsis-activity-item:hover {
    background: rgba(254, 175, 80, 0.1);
    transform: translateY(-2px);
}

.gsis-activity-item i {
    color: #feaf50;
    font-size: 20px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.gsis-event-location {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.gsis-location-header {
    margin-bottom: 15px;
}

.gsis-location-header i {
    color: #feaf50;
    font-size: 20px;
    margin-right: 8px;
}

.gsis-location-header strong {
    font-size: 16px;
    color: #fff;
}

.gsis-location-details p {
    margin: 5px 0;
    color: #ccc;
}

.gsis-venue {
    font-weight: 600;
    color: #fff !important;
    font-size: 18px;
}

.gsis-address {
    font-size: 14px;
}

.gsis-city {
    font-size: 14px;
}

.gsis-map-link {
    margin-top: 15px;
}

.gsis-maps-button {
    display: inline-flex;
    align-items: center;
    background: #feaf50;
    color: #000;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.gsis-maps-button:hover {
    background: #ffc107;
    transform: translateY(-2px);
    color: #000;
}

.gsis-maps-button i {
    margin-right: 8px;
}

.gsis-event-info {
    text-align: center;
}

.gsis-free-entry {
    display: inline-flex;
    align-items: center;
    background: rgba(82, 196, 26, 0.2);
    color: #52c41a;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    border: 1px solid rgba(82, 196, 26, 0.3);
}

.gsis-free-entry i {
    margin-right: 8px;
    font-size: 18px;
}

.gsis-reservation-info {
    margin-top: 20px;
    text-align: center;
}

.gsis-reservation-text {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 14px;
    margin-bottom: 15px;
}

.gsis-reservation-text i {
    margin-right: 8px;
    color: #feaf50;
    font-size: 16px;
}

.gsis-whatsapp-button {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #fff;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.gsis-whatsapp-button:hover {
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.gsis-whatsapp-button i {
    margin-right: 8px;
    font-size: 18px;
}

/* ===== SUCCESS/SUBSCRIBED STATE ===== */
.gsis-success-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
    color: #fff;
    padding: 15px 25px;
    border-radius: 25px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(82, 196, 26, 0.4);
}

.gsis-success-badge .gsis-badge-icon {
    margin-right: 12px;
    font-size: 24px;
}

.gsis-steps-container {
    margin: 40px 0;
}

.gsis-step-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.gsis-step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(254, 175, 80, 0.05), transparent);
    border-radius: 12px;
    opacity: 0;
    transition: all 0.3s ease;
}

.gsis-step-item:hover {
    transform: translateY(-5px);
    border-color: rgba(254, 175, 80, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.gsis-step-item:hover::before {
    opacity: 1;
}

.gsis-step-number {
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    color: #000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(254, 175, 80, 0.4);
}

.gsis-step-number span {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.gsis-step-content {
    position: relative;
    z-index: 2;
}

.gsis-step-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.gsis-step-content p {
    font-size: 16px;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.gsis-step-button {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.gsis-step-button.whatsapp {
    background: #25d366;
    color: #fff;
}

.gsis-step-button.whatsapp:hover {
    background: #22c55e;
    transform: translateY(-2px);
    color: #fff;
}

.gsis-step-button.download {
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    color: #000;
}

.gsis-step-button.download:hover {
    background: linear-gradient(135deg, #ffc107 0%, #feaf50 100%);
    transform: translateY(-2px);
    color: #000;
}

.gsis-step-button i {
    margin-right: 5px;
}

.gsis-step-info {
    margin-top: 15px;
    font-size: 14px;
    color: #888;
}

.gsis-step-info i {
    color: #feaf50;
    margin-right: 8px;
}

.gsis-subscribed-benefits {
    margin: 40px 0;
    background: linear-gradient(135deg, rgba(82, 196, 26, 0.1) 0%, rgba(115, 209, 61, 0.05) 100%);
    border-radius: 16px;
    padding: 40px 20px;
    border: 1px solid rgba(82, 196, 26, 0.2);
    position: relative;
    overflow: hidden;
}

.gsis-subscribed-benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(82, 196, 26, 0.05), transparent);
    animation: shimmer 4s infinite;
    pointer-events: none;
}

.gsis-subscribed-benefits h4 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.gsis-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
    position: relative;
    z-index: 2;
}

.gsis-benefit-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.gsis-benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(82, 196, 26, 0.1) 0%, rgba(115, 209, 61, 0.05) 100%);
    opacity: 0;
    transition: all 0.3s ease;
    border-radius: 12px;
}

.gsis-benefit-card:hover {
    background: rgba(254, 175, 80, 0.1);
    border-color: rgba(82, 196, 26, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(82, 196, 26, 0.2);
}

.gsis-benefit-card:hover::before {
    opacity: 1;
}

.gsis-benefit-card i {
    font-size: 36px;
    color: #feaf50;
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.gsis-benefit-card:hover i {
    color: #52c41a;
    transform: scale(1.1);
}

.gsis-benefit-card span {
    position: relative;
    z-index: 2;
    color: #fff;
    font-weight: 500;
    font-size: 16px;
}

/* ===== HERO VISUAL (BOOK COVER) ===== */
.gsis-hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.gsis-book-container {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.gsis-book-shadow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 20px;
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(10px);
}

.gsis-book-image {
    width: 80%;
    height: auto;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.gsis-book-image:hover {
    transform: translateY(-10px) rotateY(5deg);
}

.gsis-floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.gsis-float-element {
    position: absolute;
    color: white;
    animation: float 6s ease-in-out infinite;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 6px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.gsis-element-1 {
    top: 17%;
    left: 35%;
    font-size: 18px;
    animation-delay: 0s;
}

.gsis-element-2 {
    top: 55%;
    right: 5%;
    font-size: 18px;
    animation-delay: 2s;
}

.gsis-element-3 {
    bottom: 30%;
    left: 1%;
    font-size: 18px;
    animation-delay: 4s;
}

.gsis-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #feaf50;
    cursor: pointer;
    text-align: center;
    opacity: 0.8;
    transition: all 0.3s ease;
    z-index: 4;
}

.gsis-scroll-indicator:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

.gsis-scroll-arrow {
    font-size: 24px;
    animation: bounce 2s infinite;
}

.gsis-scroll-indicator span {
    display: block;
    font-size: 12px;
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== OPTIN MODAL ===== */
.gsis-optin-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.gsis-optin-modal.gsis-modal-active {
    opacity: 1;
}

.gsis-optin-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    cursor: pointer;
}

.gsis-optin-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 16px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    border: 1px solid rgba(254, 175, 80, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.gsis-modal-active .gsis-optin-content {
    transform: translate(-50%, -50%) scale(1);
}

.gsis-optin-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.gsis-optin-close:hover {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    transform: scale(1.1);
}

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

.gsis-optin-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(254, 175, 80, 0.4);
}

.gsis-optin-icon i {
    color: #000;
    font-size: 24px;
}

.gsis-optin-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.gsis-optin-header p {
    font-size: 16px;
    color: #ccc;
}

.gsis-form-group {
    margin-bottom: 20px;
}

.gsis-input-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
}

.gsis-input-wrapper i {
    position: absolute;
    top: 15px;
    left: 15px;
    color: #feaf50;
    font-size: 16px;
    z-index: 2;
}

.gsis-input-wrapper input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 15px 15px 15px 45px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.gsis-input-wrapper input:focus {
    outline: none;
    border-color: #feaf50;
    background: rgba(254, 175, 80, 0.1);
    box-shadow: 0 0 0 3px rgba(254, 175, 80, 0.2);
}

.gsis-input-wrapper input::placeholder {
    color: #888;
}

.gsis-optin-submit {
    width: 100%;
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    border: none;
    color: #000;
    padding: 15px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.gsis-optin-submit:hover:not(:disabled) {
    background: linear-gradient(135deg, #ffc107 0%, #feaf50 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(254, 175, 80, 0.4);
}

.gsis-optin-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.gsis-submit-loader {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gsis-submit-loader i {
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

.gsis-optin-submit:disabled {
    background: #666;
}

.gsis-optin-submit:disabled:hover {
    background: #666;
    transform: none;
    box-shadow: none;
}

.gsis-optin-submit.success {
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
}

.gsis-optin-disclaimer {
    text-align: center;
    font-size: 14px;
    color: #888;
    margin-top: 20px;
}

.gsis-optin-disclaimer i {
    color: #52c41a;
    margin-right: 8px;
}

/* ===== ERROR MESSAGES ===== */
.gsis-error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
    padding: 8px 12px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 4px;
    border-left: 3px solid #dc3545;
}

.gsis-input-wrapper.error input {
    border-color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

/* ===== FEATURES AND BOOK SECTIONS ===== */
.features-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    cursor: pointer;
}

.feature-item:hover {
    background: rgba(254, 175, 80, 0.1);
    border-color: rgba(254, 175, 80, 0.3);
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.feature-item p {
    font-size: 12px;
    color: #aaa;
    line-height: 1.5;
    margin: 15px 0;
}

.chapter-clickable {
    position: relative;
    cursor: pointer;
}

.chapter-clickable:hover {
    background: rgba(254, 175, 80, 0.15);
    border-color: #feaf50;
}

.click-hint {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(254, 175, 80, 0.2);
    color: #feaf50;
    padding: 6px 10px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 500;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.chapter-clickable:hover .click-hint {
    opacity: 1;
    transform: translateY(0);
}

.feature-icon {
    font-size: 48px;
    color: #feaf50;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
}

.feature-icon .number-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    color: black;
    z-index: 2;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
}

.feature-icon .circle-bg {
    color: #feaf50;
    font-size: 50px;
    display: inline-block;
    position: relative;
}

/* ===== CHAPTER MODAL ===== */
.chapter-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.chapter-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    cursor: pointer;
}

.chapter-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 16px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid rgba(254, 175, 80, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.chapter-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chapter-modal-header h3 {
    color: #feaf50;
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.chapter-modal-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.chapter-modal-close:hover {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    transform: scale(1.1);
}

.chapter-modal-body {
    color: #fff;
}

.chapter-modal-body h4 {
    color: #feaf50;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.chapter-modal-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.chapter-modal-body li {
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 8px;
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 3px solid #feaf50;
    transition: all 0.3s ease;
    color: #ccc;
}

.chapter-modal-body li:hover {
    background: rgba(254, 175, 80, 0.1);
    color: #fff;
    transform: translateX(5px);
}

/* ===== GSIS AUTHOR COMPACT SECTION ===== */
.gsis-author-compact {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px;
    margin: 40px 0;
    border: 1px solid rgba(254, 175, 80, 0.2);
    transition: all 0.3s ease;
}

.gsis-author-compact:hover {
    background: rgba(254, 175, 80, 0.08);
    border-color: rgba(254, 175, 80, 0.3);
}

.gsis-author-image-wrapper {
    position: relative;
    flex-shrink: 0;
}

.gsis-author-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #feaf50;
    box-shadow: 0 8px 20px rgba(254, 175, 80, 0.3);
    transition: all 0.3s ease;
}

.gsis-author-image:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 25px rgba(254, 175, 80, 0.4);
}

.gsis-author-badge {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background: linear-gradient(135deg, #feaf50 0%, #ffc107 100%);
    color: #000;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 3px;
    box-shadow: 0 2px 8px rgba(254, 175, 80, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gsis-author-badge i {
    font-size: 10px;
}

.gsis-author-content {
    flex: 1;
}

.gsis-author-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    text-align: center;
}

/* Desktop layout for author section */
@media (min-width: 769px) {
    .gsis-author-compact {
        flex-direction: row !important;
        align-items: flex-start;
        text-align: left;
        padding: 30px;
        gap: 30px;
    }
    
    .gsis-author-header {
        align-items: flex-start;
        text-align: left;
    }
}

.gsis-author-name {
    font-size: 28px;
    font-weight: 700;
    color: #feaf50;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.gsis-social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 119, 181, 0.2);
    color: #0077b5;
    padding: 6px 12px;
    border-radius: 15px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 119, 181, 0.3);
}

.gsis-social-link:hover {
    background: rgba(0, 119, 181, 0.3);
    color: #0077b5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.3);
}

.gsis-social-link i {
    font-size: 14px;
}

.gsis-author-bio {
    margin: 0;
}

.gsis-author-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gsis-bullet-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 3px solid #feaf50;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.gsis-bullet-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(254, 175, 80, 0.05) 0%, rgba(255, 193, 7, 0.02) 100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.gsis-bullet-item:hover {
    background: rgba(254, 175, 80, 0.08);
    border-left-color: #ffc107;
    transform: translateX(5px);
}

.gsis-bullet-item:hover::before {
    opacity: 1;
}

.gsis-bullet-icon {
    color: #feaf50;
    font-size: 16px;
    margin-top: 2px;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.gsis-bullet-text {
    font-size: 15px;
    color: #ccc;
    line-height: 1.5;
    position: relative;
    z-index: 2;
    text-align: left;
}

/* ===== INSTRUCTOR SECTIONS ===== */
.instructor-container {
    margin: 60px 0;
}

.instructor-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.instructor-vertical {
    text-align: center;
    padding: 40px 30px;
}

.instructor-card-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.instructor-card-vertical:hover {
    background: rgba(254, 175, 80, 0.1);
    border-color: rgba(254, 175, 80, 0.3);
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.instructor-left {
    display: flex;
    align-items: center;
    padding: 30px;
    gap: 30px;
}

.instructor-right {
    flex: 1;
}

.instructor-linkedin-icon {
    color: #0077b5;
    font-size: 24px;
    transition: all 0.3s ease;
}

.instructor-linkedin-icon:hover {
    color: #005885;
    transform: scale(1.2);
}

.instructor-image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #feaf50;
    box-shadow: 0 8px 25px rgba(254, 175, 80, 0.3);
}

.instructor-info {
    flex: 1;
}

.instructor-big-name {
    font-size: 28px;
    font-weight: 700;
    color: #feaf50;
    margin-bottom: 10px;
}

.instructor-bio {
    color: #ccc;
    line-height: 1.6;
}

.instructor-bio ul {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.instructor-bio ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: #ccc;
}

.instructor-bio ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #feaf50;
    font-weight: bold;
}

.instructor-bio p {
    margin-bottom: 15px;
}

.instructor-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 119, 181, 0.2);
    border-radius: 50%;
    color: #0077b5;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 15px;
}

.instructor-social:hover {
    background: rgba(0, 119, 181, 0.3);
    transform: scale(1.1);
}

.instructor-social i {
    font-size: 18px;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, rgba(254, 175, 80, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    margin: 60px 0;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(254, 175, 80, 0.2);
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    color: #ccc;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(254, 175, 80, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(254, 175, 80, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(254, 175, 80, 0.3);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0.3;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .features-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}

@media (max-width: 900px) {
    .features-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .gsis-hero-title {
        font-size: 36px;
    }
    
    .gsis-hero-description {
        font-size: 18px;
    }
    
    .features-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .gsis-countdown-timer {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .gsis-countdown-item {
        padding: 15px;
    }
    
    /* Optimize event section for mobile */
    .gsis-event-activities {
        grid-template-columns: 1fr !important;
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .gsis-activity-item {
        padding: 12px;
        font-size: 14px;
    }
    
    .gsis-activity-item i {
        font-size: 16px;
        margin-right: 10px;
        width: 20px;
    }
    
    .gsis-event-location {
        padding: 15px;
        margin-top: 20px;
    }
    
    .gsis-venue {
        font-size: 16px !important;
    }
    
    .gsis-address, .gsis-city {
        font-size: 13px !important;
    }
    
    /* Reduce excessive lateral spacing on mobile */
    .gsis-countdown-section {
        padding: 25px 20px !important;
        margin: 30px 0;
    }
    
    .gsis-launch-event {
        padding: 20px !important;
        margin-top: 30px;
    }
    
    .gsis-countdown-number {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }

    /* Mobile layout: only show first column, second is hidden */
    .gsis-hero-section .col-lg-6.order-2.order-lg-1 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    /* Adjust content padding for mobile */
    .gsis-hero-content {
        padding: 20px 0;
        text-align: center;
    }
    
    /* Align feature list to left on mobile */
    .gsis-hero-features {
        text-align: left;
    }
    
    /* Optimize benefits section for mobile */
    .gsis-benefits-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px;
        margin-top: 20px;
    }
    
    .gsis-benefit-card {
        padding: 15px 10px;
        min-height: auto;
    }
    
    .gsis-benefit-card i {
        font-size: 24px !important;
        margin-bottom: 8px;
    }
    
    .gsis-benefit-card span {
        font-size: 14px !important;
        line-height: 1.3;
    }
    
    /* Mobile book positioning after badge */
    .gsis-book-mobile {
        text-align: center;
        margin: 20px 0;
    }
    
    .gsis-book-mobile .gsis-book-image {
        width: 50% !important;
        max-width: 250px;
    }
    
    .gsis-book-mobile .gsis-floating-elements {
        display: none; /* Hide floating elements on mobile for cleaner look */
    }
    
    /* Desktop book image stays as is */
    .gsis-hero-visual {
        text-align: center;
        margin-bottom: 30px;
    }
    
    /* Remove the old mobile styles since we have dedicated mobile version */
    .gsis-book-image {
        width: 80%;
        max-width: none;
    }
}
    
    .instructor-left {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .gsis-optin-content {
        padding: 30px 20px;
        margin: 20px;
        width: calc(100% - 40px);
    }
    
    .chapter-modal-content {
        padding: 20px;
        margin: 20px;
        width: calc(100% - 40px);
    }
    
    /* Author Section Mobile */
    .gsis-author-compact {
        flex-direction: column;
        text-align: center;
        padding: 20px;
        gap: 20px;
    }
    
    .gsis-author-header {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 15px;
    }
    
    .gsis-author-name {
        font-size: 24px;
    }
    
    .gsis-bullet-text {
        font-size: 13px;
    }
    
    .gsis-bullet-item {
        padding: 10px 12px;
    }
}

@media (max-width: 640px) {
    .gsis-hero-title {
        font-size: 28px;
    }
    
    .gsis-hero-description {
        font-size: 16px;
    }
    
    .gsis-countdown-section {
        padding: 20px;
    }
    
    .gsis-step-item {
        padding: 20px;
    }
    
    .gsis-step-button {
        width: 100%;
        justify-content: center;
    }
    
    .gsis-launch-date {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .chapter-modal-body h4 {
        font-size: 16px;
    }
    
    .chapter-modal-body li {
        font-size: 13px;
        padding: 8px 12px;
    }
}