/* ==========================================================================
   INDEX MODERN - Conference Hero & About Sections
   Uses global --conf-* tokens from conference-theme.css
   ========================================================================== */

/* --- 1. HERO SECTION --- */
.hero-conf {
    background: var(--conf-hero-bg);
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
    color: white;
}

.hero-conf::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(var(--conf-primary-rgb), 0.12) 0%, transparent 65%);
    transform: translateX(-50%);
    pointer-events: none;
}

/* Floating particles */
.hero-particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(var(--conf-primary-rgb), 0.15);
    animation: floatUp 8s ease-in-out infinite;
    pointer-events: none;
}
.hero-particle:nth-child(1) { width: 6px; height: 6px; left: 10%; top: 70%; animation-delay: 0s; animation-duration: 7s; }
.hero-particle:nth-child(2) { width: 4px; height: 4px; left: 25%; top: 80%; animation-delay: 1.5s; animation-duration: 9s; }
.hero-particle:nth-child(3) { width: 8px; height: 8px; left: 60%; top: 75%; animation-delay: 3s; animation-duration: 6s; }
.hero-particle:nth-child(4) { width: 5px; height: 5px; left: 80%; top: 65%; animation-delay: 2s; animation-duration: 10s; }
.hero-particle:nth-child(5) { width: 3px; height: 3px; left: 90%; top: 85%; animation-delay: 4s; animation-duration: 8s; }

@keyframes floatUp {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.4; }
    50% { transform: translateY(-120px) scale(1.5); opacity: 0.8; }
}

.hero-conf .hero-inner {
    position: relative;
    z-index: 2;
}

/* Hero grid: left content + right countdown card */
.hero-split {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 70px;
    align-items: center;
}

/* Left side */
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(var(--conf-primary-rgb), 0.1);
    border: 1px solid rgba(var(--conf-primary-rgb), 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--conf-primary);
    margin-bottom: 28px;
}

.hero-tag i { font-size: 0.9rem; }

.hero-main-title {
    font-family: var(--conf-font-heading);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 22px;
    letter-spacing: -1.5px;
    color: #fff;
}

.hero-main-title .title-accent {
    color: var(--conf-primary);
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 35px;
    max-width: 540px;
}

/* Hero CTA buttons */
.hero-cta-row {
    display: flex;
    gap: 14px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 32px;
    background: var(--conf-btn-primary-bg);
    color: #fff;
    border-radius: var(--conf-btn-radius);
    font-weight: var(--conf-btn-font-weight);
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--conf-btn-primary-shadow);
}

.btn-hero-primary:hover {
    background: var(--conf-btn-primary-hover-bg);
    transform: translateY(-4px);
    box-shadow: 0 18px 35px rgba(var(--conf-primary-rgb), 0.35);
    color: #fff;
}

.btn-hero-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 32px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--conf-btn-radius);
    font-weight: var(--conf-btn-font-weight);
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-hero-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.35);
    color: #fff;
}

/* Hero stats row */
.hero-metrics {
    display: flex;
    gap: 40px;
    padding-top: 35px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.metric-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--conf-primary-rgb), 0.12);
    border-radius: 10px;
    color: var(--conf-primary);
    font-size: 0.95rem;
}

.metric-text .metric-val {
    font-family: var(--conf-font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    display: block;
    line-height: 1.1;
}

.metric-text .metric-label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Right side - Countdown Card */
.countdown-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 32px;
    padding: 40px 30px;
    backdrop-filter: blur(20px);
    box-shadow: 0 40px 80px rgba(0,0,0,0.3);
    text-align: center;
}

.cd-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--conf-primary);
    margin-bottom: 8px;
}

.cd-event-name {
    font-family: var(--conf-font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 25px;
}

.cd-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}

.cd-box {
    background: rgba(var(--conf-primary-rgb), 0.08);
    border: 1px solid rgba(var(--conf-primary-rgb), 0.15);
    border-radius: 16px;
    padding: 16px 8px;
}

.cd-box .cd-val {
    font-family: var(--conf-font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--conf-primary);
    display: block;
    line-height: 1;
}

.cd-box .cd-unit {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 4px;
    display: block;
}

.cd-date-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 25px;
}

.cd-date-display i { color: var(--conf-primary); }

.cd-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-cd-primary {
    display: block;
    padding: 14px;
    background: var(--conf-primary);
    color: #fff;
    border-radius: var(--conf-btn-radius);
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-cd-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(var(--conf-primary-rgb), 0.35);
    color: #fff;
}

.btn-cd-ghost {
    display: block;
    padding: 12px;
    background: transparent;
    color: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--conf-btn-radius);
    font-weight: 600;
    font-size: 0.85rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-cd-ghost:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
}


/* --- 2. ABOUT SECTION --- */
.about-conf {
    background: var(--conf-bg-body);
    padding: 100px 0;
    position: relative;
}

.about-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(var(--conf-primary-rgb), 0.08);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--conf-primary);
    margin-bottom: 20px;
}

.about-conf .about-title {
    font-family: var(--conf-font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--conf-text-heading);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.about-conf .about-lead-text {
    font-size: 1.15rem;
    color: var(--conf-text-main);
    line-height: 1.7;
    margin-bottom: 15px;
    border-left: 4px solid var(--conf-primary);
    padding-left: 20px;
    font-weight: 500;
}

.about-conf .about-body {
    color: var(--conf-text-muted);
    line-height: 1.8;
    margin-bottom: 35px;
}

/* Why attend cards */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.why-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: var(--conf-bg-surface);
    border: 1px solid #f0ebe5;
    border-radius: 16px;
    transition: all 0.3s;
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.06);
    border-color: rgba(var(--conf-primary-rgb), 0.3);
}

.why-icon {
    width: 38px;
    height: 38px;
    min-width: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--conf-primary-rgb), 0.08);
    border-radius: 10px;
    color: var(--conf-primary);
    font-size: 1rem;
}

.why-info h6 {
    font-family: var(--conf-font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--conf-text-heading);
    margin-bottom: 3px;
}

.why-info p {
    font-size: 0.8rem;
    color: var(--conf-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Right Column - Timeline + Audience */
.timeline-card {
    background: var(--conf-bg-surface);
    border-radius: 28px;
    padding: 35px 30px;
    border: 1px solid #f0ebe5;
    border-left: 4px solid var(--conf-primary);
    box-shadow: 0 20px 50px rgba(0,0,0,0.06);
    margin-bottom: 20px;
}

.timeline-card .tc-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.timeline-card .tc-header i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--conf-primary-rgb), 0.1);
    border-radius: 10px;
    color: var(--conf-primary);
    font-size: 1rem;
}

.timeline-card .tc-header h4 {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0;
    color: var(--conf-text-heading);
}

.tl-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid #f0ebe5;
    align-items: flex-start;
}

.tl-item:last-child { border-bottom: none; padding-bottom: 0; }

.tl-dot {
    width: 10px;
    height: 10px;
    min-width: 10px;
    border-radius: 50%;
    background: var(--conf-primary);
    margin-top: 5px;
    box-shadow: 0 0 10px rgba(var(--conf-primary-rgb), 0.3);
}

.tl-content .tl-date {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--conf-primary);
    margin-bottom: 2px;
}

.tl-content .tl-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--conf-text-heading);
    margin: 0;
}

/* Audience tags */
.audience-card {
    background: var(--conf-bg-surface);
    border: 1px solid #f0ebe5;
    border-radius: 20px;
    padding: 28px;
}

.audience-card h5 {
    font-family: var(--conf-font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--conf-text-heading);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.audience-card h5 i {
    color: var(--conf-primary);
    font-size: 0.9rem;
}

.audience-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.audience-pill {
    padding: 6px 14px;
    background: rgba(var(--conf-primary-rgb), 0.06);
    border: 1px solid rgba(var(--conf-primary-rgb), 0.12);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--conf-text-heading);
    transition: all 0.25s;
}

.audience-pill:hover {
    background: var(--conf-primary);
    color: #fff;
    border-color: var(--conf-primary);
    transform: translateY(-2px);
}


/* --- 3. RESPONSIVE --- */
@media (max-width: 1199px) {
    .hero-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-metrics { gap: 25px; flex-wrap: wrap; }
    .countdown-card { max-width: 450px; margin: 0 auto; }
}

@media (max-width: 767px) {
    .hero-conf { padding: 120px 0 60px; }
    .hero-main-title { font-size: 2rem; letter-spacing: -0.5px; }
    .hero-desc { font-size: 1rem; }
    .hero-cta-row { flex-direction: column; }
    .hero-metrics { flex-direction: column; gap: 16px; }
    .cd-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
    .cd-box .cd-val { font-size: 1.4rem; }
    .why-grid { grid-template-columns: 1fr; }
    .hero-tag { font-size: 0.7rem; padding: 6px 14px; }
}