/* GenSign Workshop - Standalone CSS */
/* Simplified version for standalone deployment */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 20px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #2d3436;
    background: #fff;
}

/* Container */
#wrapper {
    width: 100%;
}

/* Header */
#header {
    position: relative;
    padding: 8em 2em 6em;
    text-align: center;
    background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
    color: white;
}

#header h1 {
    font-size: 2.5em;
    font-weight: 600;
    margin-bottom: 0.5em;
    line-height: 1.2;
}

#header p {
    margin: 0.5em 0;
}

/* Navigation */
#nav {
    position: sticky;
    top: 0;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
}

/* Hamburger menu button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: absolute;
    right: 1em;
    top: 50%;
    transform: translateY(-50%);
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background: #2d3436;
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

#nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

#nav ul li {
    margin: 0;
}

#nav ul li a {
    display: block;
    padding: 1em 1.5em;
    color: #2d3436;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

#nav ul li a:hover,
#nav ul li a.active {
    color: #4A90E2;
    border-bottom-color: #4A90E2;
}

/* Main Content */
#main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2em;
}

/* Sections */
section {
    margin: 4em 0;
    padding: 2em 0;
}

section.main {
    border-bottom: 1px solid #e0e0e0;
}

section.special {
    text-align: center;
}

/* Headers */
.major h2 {
    font-size: 2em;
    color: #2d3436;
    margin-bottom: 0.5em;
    padding-bottom: 0.5em;
    border-bottom: 3px solid #4A90E2;
    display: inline-block;
}

h3 {
    font-size: 1.5em;
    color: #2d3436;
    margin: 1.5em 0 0.8em;
}

/* Spotlight */
.spotlight .content {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

/* Lists */
ul {
    margin: 1em 0;
    padding-left: 2em;
}

ul li {
    margin: 0.5em 0;
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2em 0;
}

table.alt thead {
    background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
    color: white;
}

table.alt th {
    padding: 1em;
    text-align: center;
    font-weight: 600;
}

table.alt tbody tr {
    border-bottom: 1px solid #e0e0e0;
    transition: background 0.3s ease;
}

table.alt tbody tr:hover {
    background: rgba(74, 144, 226, 0.1);
}

table.alt td {
    padding: 0.8em;
}

/* Workshop Schedule column widths */
.schedule-table {
    table-layout: fixed;
}

.schedule-table th:nth-child(1),
.schedule-table td:nth-child(1) {
    width: 25%;
}

.schedule-table th:nth-child(2),
.schedule-table td:nth-child(2) {
    width: 30%;
}

.schedule-table th:nth-child(3),
.schedule-table td:nth-child(3) {
    width: 45%;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2em;
    list-style: none;
    padding: 0;
    margin: 2em 0;
}

.features li {
    text-align: center;
    padding: 1.5em;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.features li:hover {
    transform: translateY(-5px);
}

.features .image.avatar {
    display: block;
    margin: 0 auto 1em;
}

.features .image.avatar img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid #4A90E2;
    object-fit: cover;
}

.features h3 {
    margin: 0.5em 0;
    font-size: 1.2em;
}

.features h3 a {
    color: #2d3436;
    text-decoration: none;
}

.features h3 a:hover {
    color: #4A90E2;
}

.features p {
    color: #636e72;
    font-size: 0.95em;
    margin: 0.5em 0;
}

/* Buttons */
.button {
    display: inline-block;
    padding: 0.8em 2em;
    margin: 0.5em;
    border: 2px solid #4A90E2;
    border-radius: 4px;
    color: #4A90E2;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 600;
}

.button:hover {
    background: #4A90E2;
    color: white;
    transform: translateY(-2px);
}

.button.primary {
    background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
    border: none;
    color: white;
}

.button.primary:hover {
    background: linear-gradient(135deg, #3a7ac2 0%, #6b58de 100%);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1em;
    margin: 2em 0;
    width: 100%;
}

.actions li {
    display: flex;
    justify-content: center;
}

.actions .button {
    width: 400px;
    min-height: 3.2em;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.2;
    padding: 0.9em 1.2em;
}

.actions .button-line {
    display: block;
    white-space: nowrap;
}

.actions .line-secondary {
    font-size: 0.9em;
    opacity: 0.9;
}

/* Key Dates */
.key-dates {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 2em auto;
}

.key-dates li {
    padding: 1em 1.5em;
    margin: 0.5em 0;
    background: linear-gradient(90deg, rgba(74, 144, 226, 0.1) 0%, rgba(123, 104, 238, 0.05) 100%);
    border-left: 4px solid #4A90E2;
    border-radius: 4px;
}

.key-dates strong {
    color: #4A90E2;
    font-weight: 600;
}

/* Footer */
#footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    color: #b2bec3;
    padding: 3em 2em;
    margin-top: 4em;
}

#footer section {
    max-width: 1200px;
    margin: 0 auto 2em;
    padding: 1em;
}

#footer h2 {
    color: white;
    margin-bottom: 1em;
}

#footer a {
    color: #4A90E2;
    text-decoration: none;
    transition: color 0.3s ease;
}

#footer a:hover {
    color: #7B68EE;
}

#footer ul {
    list-style: none;
    padding: 0;
}

#footer .icons {
    display: flex;
    gap: 2em;
    justify-content: center;
    margin-top: 1em;
    flex-wrap: wrap;
}

#footer .icons li {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6em;
}

#footer .icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5em;
    height: 2.5em;
    line-height: 2.5em;
    border: 2px solid #4A90E2;
    border-radius: 50%;
    text-align: center;
}

#footer .icons a i {
    font-size: 1.2em;
}

#footer .icons a:hover {
    background: #4A90E2;
    color: white;
}

#footer .icons .label {
    display: none;
}

#footer .icons .social-label {
    font-size: 0.8em;
    line-height: 1.2;
    color: #4A90E2;
    font-weight: 600;
}

#footer .copyright {
    text-align: center;
    margin-top: 2em;
    padding-top: 2em;
    border-top: 1px solid #444;
    font-size: 0.9em;
}

/* Responsive */
@media screen and (max-width: 980px) {
    #header h1 {
        font-size: 2em;
    }
    
    #main {
        padding: 1em;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    /* Mobile navigation styles */
    #nav {
        position: sticky;
        top: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    #nav ul {
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
        width: 100%;
    }
    
    #nav ul.nav-open {
        max-height: 500px;
        transition: max-height 0.3s ease-in;
    }
    
    #nav ul li {
        width: 100%;
        border-bottom: 1px solid #e0e0e0;
    }
    
    #nav ul li:last-child {
        border-bottom: none;
    }
    
    #nav ul li a {
        padding: 1em 1.5em;
        border-bottom: none;
    }
    
    #nav ul li a:hover,
    #nav ul li a.active {
        background: rgba(74, 144, 226, 0.1);
        border-bottom: none;
        color: #4A90E2;
    }
    
    table.alt {
        font-size: 0.9em;
    }
    
    /* Organizers grid responsive */
    .organizers-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5em !important;
    }
}

@media screen and (max-width: 736px) {
    #header {
        padding: 4em 1em 3em;
    }
    
    #header h1 {
        font-size: 1.5em;
    }
    
    #nav ul li a {
        padding: 0.8em 1em;
    }
    
    .button {
        display: block;
        margin: 0.5em 0;
    }
    
    /* Organizers grid mobile - single column */
    .organizers-grid {
        grid-template-columns: 1fr !important;
        gap: 1em !important;
    }
}

/* TBD Notice */
.tbd-notice {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1.5em;
    margin: 2em 0;
    border-radius: 4px;
    text-align: center;
}

.tbd-notice h3 {
    color: #856404;
    margin-top: 0;
}

.tbd-notice p {
    color: #856404;
    margin: 0;
}