/* GALA INVITATION CSS - Minimalist & Premium */

:root {
    --c-bg-dark: #0b131a;
    --c-bg-darker: #05090c;
    --c-electric: #00ffcc;
    --c-electric-hover: #00ccaa;
    --c-white: #ffffff;
    --c-gray-light: #b0c4de;
    --c-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background-color: var(--c-bg-darker); /* Desktop background outside frame */
    font-family: 'Inter', sans-serif;
    color: var(--c-white);
    overflow-x: hidden;
}

/* Typography Utilities */
.font-montserrat { font-family: 'Montserrat', sans-serif; }
.font-inter { font-family: 'Inter', sans-serif; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-white { color: var(--c-white); }
.text-electric { color: var(--c-electric); }
.text-gray-light { color: var(--c-gray-light); }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.w-100 { width: 100%; }

/* Mobile Frame for Desktop */
#mobile-frame {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    margin: 0 auto;
    background-color: var(--c-bg-dark);
    position: relative;
    box-shadow: 0 0 40px rgba(0,0,0,0.8);
    overflow: hidden;
}

/* Cinematic Sections */
.webinar-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    overflow: hidden;
}

.webinar-section::after {
    content: '';
    position: absolute;
    top: 10px; left: 10px; width: calc(100% - 20px); height: calc(100% - 20px);
    pointer-events: none;
    z-index: 100;
    border: 1px solid rgba(255,255,255,0.05); /* Very subtle minimalist border */
}

.content {
    position: relative;
    z-index: 10;
    max-width: 100%;
}
.flex-col-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Backgrounds & Overlays */
.bg-dark { background-color: var(--c-bg-dark); }
.bg-darker { background-color: var(--c-bg-darker); }

.hero-bg {
    background-image: url('assets/imgwebinar/wb-hero-bg.jpg');
    background-size: cover;
    background-position: center;
}
.about-bg {
    background-image: url('assets/imgwebinar/wb-about-bg.jpg');
    background-size: cover;
    background-position: center;
}
.detail-bg {
    background-image: url('assets/imgwebinar/wb-detail-bg.jpg');
    background-size: cover;
    background-position: center;
}
.sch-bg {
    background-image: url('assets/imgwebinar/wb-sch-bg.jpg');
    background-size: cover;
    background-position: center;
}

.venue-bg {
    background-image: url('assets/imgwebinar/wb-ven-bg.jpg');
    background-size: cover;
    background-position: center;
}

.rsvp-bg {
    background-image: url('assets/imgwebinar/wb-rsvp-bg.jpg');
    background-size: cover;
    background-position: center;
}

.glass-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(11, 19, 26, 0.85), rgba(26, 42, 58, 0.85));
    backdrop-filter: blur(5px);
}

.glass-overlay-dark {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 9, 12, 0.7);
    backdrop-filter: blur(10px);
}

/* Glassmorphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--c-border);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.padding-lg { padding: 3rem 2rem; }

/* Components */
.logo-mark {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 6px;
    color: var(--c-gray-light);
    margin-bottom: 2rem;
}

.title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin: 2rem 0;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.divider {
    width: 40px;
    height: 2px;
    background-color: var(--c-electric);
    margin-top: 1rem;
}
.mx-auto { margin-left: auto; margin-right: auto; }

.body-text {
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-electric {
    background-color: var(--c-electric);
    color: var(--c-white);
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.btn-electric:hover {
    background-color: var(--c-electric-hover);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--c-white);
    border: 1px solid var(--c-white);
}

.btn-outline:hover {
    background-color: var(--c-white);
    color: var(--c-bg-dark);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--c-gray-light);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.mouse {
    width: 20px;
    height: 30px;
    border: 2px solid var(--c-gray-light);
    border-radius: 15px;
    margin-top: 10px;
    position: relative;
}
.mouse::before {
    content: '';
    position: absolute;
    top: 5px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 4px;
    background: var(--c-electric);
    border-radius: 50%;
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
    0% { top: 5px; opacity: 1; }
    100% { top: 15px; opacity: 0; }
}

/* Speakers Grid */
.speaker-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    width: 100%;
}
.speaker-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
}
.speaker-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 2px solid var(--c-border);
}

/* Timeline */
.timeline {
    width: 100%;
    position: relative;
    padding-left: 20px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; height: 100%; width: 1px;
    background-color: var(--c-border);
}
.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px; top: 5px;
    width: 9px; height: 9px;
    background-color: var(--c-electric);
    border-radius: 50%;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline .time {
    font-size: 0.85rem;
    color: var(--c-electric);
    font-weight: 600;
    margin-bottom: 0.2rem;
}
.timeline .event {
    font-size: 1.1rem;
    color: var(--c-white);
}

/* Form Styles */
.minimal-form {
    width: 100%;
    text-align: left;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--c-gray-light);
    margin-bottom: 0.5rem;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 12px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--c-border);
    color: var(--c-white);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-bottom: 1px solid var(--c-electric);
}
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23b0c4de%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem top 50%;
    background-size: 0.65rem auto;
}
.form-group select option {
    background-color: var(--c-bg-darker);
    color: var(--c-white);
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-up {
    transform: translateY(30px);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }