:root {
    --brand-primary: #0052FF;
    --brand-secondary: #00C2FF;
    --bg-base: #FFFFFF;
    --bg-surface: #F6F9FC;
    --text-main: #12141D;
    --text-secondary: #677189;
    --border-subtle: #E6E8EB;
    --radius-xl: 32px;
    --radius-lg: 20px;
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    letter-spacing: -0.011em;
}

section[id] {
    scroll-margin-top: 100px; /* wysokość navbara + bufor */
}

.py-100 {
  padding-top: 30px !important;
  padding-bottom: 30px !important;
}

.cookie-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    padding: 16px;
    background: transparent;
}
.cookie-banner-inner {
    max-width: 960px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    padding: 16px 20px;
    font-size: 0.9rem;
}
.cookie-banner a {
    color: var(--brand-primary);
    text-decoration: underline;
}

.breadcrumb-wrapper { padding-top: 120px; }
.breadcrumb-item a { color: var(--brand-primary); text-decoration: none; font-weight: 600; }


/* --- Scroll Progress Bar --- */
#scroll-progress {
    position: fixed; top: 0; left: 0; width: 0%; height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
    z-index: 9999;
}

/* --- Global Typography --- */
h1, h2, h3, .font-heading { font-family: 'Archivo', sans-serif; font-weight: 900; letter-spacing: -0.04em; }
.text-balanced { text-wrap: balance; }

/* --- Advanced Navbar --- */
.navbar {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
    width: 95%; max-width: 1200px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    padding: 12px 24px;
    z-index: 1000;
    transition: var(--ease-out-expo) 0.5s;
}
.navbar.scrolled { top: 10px; padding: 8px 24px; width: 98%; box-shadow: 0 20px 40px rgba(0,0,0,0.05); }

.btn-core-sm {
    font-size: 0.8rem;
    padding: 10px 20px !important;
    border-radius: 10px;
}

/* --- Hero 4.0: Split Layout --- */
.hero-v4 {
    padding-top: 180px;
    padding-bottom: 100px;
    background: radial-gradient(circle at 100% 0%, rgba(0, 82, 255, 0.05) 0%, transparent 40%);
}

@media (max-width: 768px) {
    .hero-v4 {
        padding-top: 110px;
        padding-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .hero-v4 {
        padding-top: 90px;
        padding-bottom: 40px;
    }
}

.hero-label {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--bg-surface); border: 1px solid var(--border-subtle);
    padding: 6px 16px; border-radius: 100px; font-weight: 600; font-size: 0.85rem; color: var(--brand-primary);
}
@media (max-width: 768px) {
    .hero-v4 h1.display-2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-v4 h1.display-2 {
        font-size: 2rem;
    }
}
.avatar-stack img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    object-position: top;
}
/* --- Interaction Elements --- */
.btn-core {
    background: var(--text-main); color: #fff;
    padding: 16px 36px; border-radius: 14px; font-weight: 700;
    transition: var(--ease-out-expo) 0.3s; border: none; text-decoration: none; display: inline-block;
}
.btn-core:hover { transform: translateY(-4px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); color: #fff; }

/* --- Feature Grid (The Pillars) --- */
.pillar-card {
    padding: 20px; border-radius: var(--radius-xl); background: var(--bg-surface);
    border: 1px solid transparent; transition: var(--ease-out-expo) 0.4s; height: 100%;
}
.pillar-card:hover { 
    background: #fff; border-color: var(--brand-primary); 
    box-shadow: 0 40px 80px rgba(0,0,0,0.05); 
}

/* --- Hall of Fame (Speakers) --- */
.speaker-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    cursor: pointer;
    width: 260px;
    flex-shrink: 0;
}

.speaker-name-link {
    text-decoration: none;
    color: inherit;
}

.speaker-name-link:hover h5 {
    color: #ffffff;
}


.speaker-img { width: 100%; height: 100%; object-fit: cover; transition: 0.6s; }

.speaker-info {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 18px 26px 32px;
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.85) 0%,
        rgba(0,0,0,0.65) 40%,
        rgba(0,0,0,0.0) 100%
    );
    color: #fff;
    transform: translateY(20px);
    transition: 0.4s;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* wiersz: imię + ikona */
.speaker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.speaker-info h5 {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    text-shadow: 0 2px 6px rgba(0,0,0,0.8);
    margin: 0;
}

.speaker-linkedin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    padding: 0;
    border-radius: 6px;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
}
.speaker-linkedin:hover {
    background: var(--brand-primary);
    color: #fff;
}
.speaker-linkedin:focus { outline: none; }

.speaker-info small {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 2px;
    line-height: 1.3;
    text-align: left;
}

.speaker-card:hover .speaker-img { transform: scale(1.1); }
.speaker-card:hover .speaker-info { transform: translateY(0); }

.speakers-scroll {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 16px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto; 
}

/* Na małych ekranach — poziomy scroll zamiast zawijania */
@media (max-width: 768px) {
    .speakers-scroll {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: scroll;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .speakers-scroll .speaker-card {
        scroll-snap-align: start;
        width: 220px; /* trochę węższe na telefonie */
    }
}

/* Scrollbar styling */
.speakers-scroll::-webkit-scrollbar {
    height: 4px;
}
.speakers-scroll::-webkit-scrollbar-track {
    background: var(--bg-surface);
}
.speakers-scroll::-webkit-scrollbar-thumb {
    background: var(--border-subtle);
    border-radius: 100px;
}

/* LinkedIn badge */
.speaker-linkedin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
    width: 28px;
    height: 28px;
    background: rgba(255,255,255,0.15);
    border-radius: 6px;
    color: #fff;
    font-size: 0.9rem;
    transition: background 0.2s;
}
.speaker-linkedin:hover {
    background: var(--brand-primary);
    color: #fff;
}

.speaker-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.speaker-card-link .speaker-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: border-color 0.3s var(--ease-out-expo);
    pointer-events: none;
}

.speaker-card-link:hover .speaker-card::after {
    border-color: var(--brand-primary);
}

/* --- Speaker Hero --- */
.speaker-hero {
    padding-bottom: 100px;
    background: radial-gradient(circle at 0% 100%, rgba(0, 82, 255, 0.05) 0%, transparent 40%);
}

.speaker-hero-img-wrap {
    position: relative;
}

.speaker-hero-badge {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* --- Stats --- */
.speaker-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Archivo', sans-serif;
    font-weight: 900;
    font-size: 2rem;
    letter-spacing: -0.04em;
    color: var(--text-main);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
}

/* --- Outline Button --- */
.btn-outline-core {
    border: 2px solid var(--border-subtle);
    color: var(--text-main);
    padding: 14px 32px;
    border-radius: 14px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: var(--ease-out-expo) 0.3s;
}

.btn-outline-core:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    transform: translateY(-4px);
}

/* --- CTA Card --- */
.cta-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 80px 40px;
    border: 1px solid var(--border-subtle);
}

/* --- Calendar Strip --- */
.calendar-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    align-items: center;
    padding: 32px;
    border-bottom: 1px solid var(--border-subtle);
    transition: 0.3s;
}

/* Tablet */
@media (max-width: 768px) {
    .calendar-item {
        grid-template-columns: 90px 1fr;
        grid-template-rows: auto auto;
        gap: 12px;
        padding: 20px 16px;
    }

    .action-block {
        grid-column: 1 / -1; /* przycisk na całą szerokość */
    }

    .action-block .btn-core {
        display: block;
        text-align: center;
        width: 100%;
    }
}

/* Telefon */
@media (max-width: 480px) {
    .calendar-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .date-block {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .content-block {
        padding: 0 !important;
    }

    .event-badge {
        margin-top: 6px;
    }
}
.calendar-item:hover { background: var(--bg-surface); border-radius: 16px; }

/* --- Event badge --- */
.event-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(0, 82, 255, 0.08);
    color: var(--brand-primary);
    border: 1px solid rgba(0, 82, 255, 0.15);
    white-space: nowrap;
    margin-top: 4px;
    flex-shrink: 0;
}

/* --- FAQ Accordion --- */
.accordion-item { border: none; margin-bottom: 12px; background: var(--bg-surface); border-radius: 16px !important; overflow: hidden; }
.accordion-button { background: var(--bg-surface); font-weight: 700; padding: 24px; box-shadow: none !important; }
.accordion-button:not(.collapsed) { color: var(--brand-primary); background: #fff; }


/* --- Breadcrumb --- */
.breadcrumb-wrapper {
    padding-top: 120px;
}
.breadcrumb-item a {
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

/* --- Event Header --- */
.event-header {
    padding: 40px 0 80px;
    background: radial-gradient(circle at 0% 100%, rgba(0, 82, 255, 0.05) 0%, transparent 40%);

}
.info-pill {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 12px 24px;
    border-radius: 16px;
    height: 100%;
}

/* --- Agenda timeline --- */
.agenda-box {
    border-left: 3px solid var(--brand-primary);
    padding-left: 30px;
    margin-bottom: 36px;
    position: relative;
}
.agenda-box::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 4px;
    width: 15px;
    height: 15px;
    background: var(--brand-primary);
    border-radius: 50%;
}
.agenda-box--break {
    border-left-color: var(--border-subtle);
    opacity: 0.6;
}
.agenda-box--break::before {
    background: var(--border-subtle);
}

/* --- Speaker card (event page) --- */
.speaker-card-event {
    background: #fff;
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    overflow: hidden;
    transition: 0.3s var(--ease-out-expo);
}
.speaker-card-event:hover {
    transform: translateY(-5px);
    border-color: var(--brand-primary);
}
.speaker-img-event {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    object-position: top;
}

/* --- Sidebar --- */
.event-sidebar {
    background: #fff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

/* --- Alert soft --- */
.alert-soft {
    display: inline-block;
    background: rgba(0, 82, 255, 0.06);
    border: 1px solid rgba(0, 82, 255, 0.15);
    color: var(--brand-primary);
    border-radius: 14px;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* --- Partners --- */
.partner-logo-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    opacity: 0.6;
}
.partner-logo-row img {
    max-height: 160px;
    filter: grayscale(0);
    transition: 0.3s;
}
.partner-logo-row a:hover img {
    filter: grayscale(1);
    opacity: 1;
}

/* --- Event meta list --- */
.event-meta-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.event-meta-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.disabled-link {
    pointer-events: none;
    opacity: 0.5;
    cursor: default;
}

.legal-header { padding: 80px 0 60px; background: var(--bg-surface); }
.legal-nav { position: sticky; top: 120px; }
.legal-nav a { display: block; padding: 10px 0; color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; transition: 0.3s; }
.legal-nav a:hover { color: var(--brand-primary); }