/* ============================================================================
   LACET SOCIETY — "Connected by Purpose" Event Page
   Design System: Minimalismo Arquitetónico & Autoridade Silenciosa
   ============================================================================ */

/* Font Face Declarations */
@font-face {
    font-family: 'Agatho';
    src: url('./fonts/Agatho.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Gemola';
    src: url('./fonts/Gemola.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'TT Chocolates';
    src: url('./fonts/TT Chocolates Trial Regular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'TT Chocolates';
    src: url('./fonts/TT Chocolates Trial Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'TT Chocolates';
    src: url('./fonts/TT Chocolates Trial Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* ============================================================================
   DESIGN TOKENS (CSS Custom Properties)
   ============================================================================ */

:root {
    /* Colors (Dark Mode Nativo) */
    --bg-primary: #020512;
    --bg-secondary: #030323;
    --bg-tertiary: #03032D;
    --text-primary: #EDEDED;
    
    /* Typography */
    --font-primary: 'TT Chocolates', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Agatho', serif;
    --font-accent: 'Gemola', serif;
    
    /* Letter Spacing - Regra de Ouro 128 */
    --letter-spacing-title: 0.128em;
    --letter-spacing-normal: 0.02em;
    
    /* Typography Scale (Mobile-First) */
    --text-caption: 12px;
    --text-small: 14px;
    --text-body: 16px;
    --text-h3: 24px;
    --text-h2: 30px;
    --text-h1: 40px;
    
    /* Spacing Scale */
    --space-0: 0;
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-28: 28px;
    --space-32: 32px;
    --space-48: 48px;
    --space-64: 64px;
    --space-96: 96px;
    --space-128: 128px;
    
    /* Container Widths */
    --container-max: 1200px;
    --container-padding: var(--space-16);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================================================
   CSS RESET & BASE STYLES
   ============================================================================ */

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   LAYOUT COMPONENTS
   ============================================================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ============================================================================
   HEADER - Minimal Glass Navbar
   ============================================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    
    /* Minimal Glass Effect */
    background: rgba(2, 5, 18, 0.05);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    
    /* Subtle border */
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Header scroll state */
.header.scrolled {
    height: 50px;
    background: rgba(2, 5, 18, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.logo {
    max-width: 140px;
    height: auto;
    filter: brightness(1.1);
    transition: all var(--transition-normal);
}

.header.scrolled .logo {
    max-width: 120px;
}

/* ============================================================================
   MEDIA BACKGROUND SYSTEM (Video & Image)
   ============================================================================ */

.section-with-video {
    position: relative;
    overflow: hidden;
}

/* Video Background Styles */
.section-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.section-video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 1;
    transition: opacity var(--transition-slow);
    background: rgba(255, 255, 255, 0.1);
}

.section-video-background.loaded video {
    opacity: 1;
}

.section-video-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        rgba(2, 5, 18, 0.4),
        rgba(3, 3, 35, 0.6)
    );
    z-index: 1;
    pointer-events: none;
}

/* Image Background Styles */
.section-image-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.section-image-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.section-image-background.loaded img {
    opacity: 1;
}

.section-image-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        rgba(2, 5, 18, 0.5),
        rgba(3, 3, 35, 0.7)
    );
    z-index: 1;
    pointer-events: none;
}

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

/* Media fallback placeholders */
.video-placeholder,
.image-placeholder {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.video-placeholder.hidden,
.image-placeholder.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ============================================================================
   HERO SECTION (Enhanced with Video)
   ============================================================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(60px + var(--space-64)) 0 var(--space-96);
}

.hero.section-with-video .section-video-background::before {
    background: linear-gradient(
        rgba(2, 5, 18, 0.4),
        rgba(3, 3, 35, 0.6)
    );
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-h1), 8vw, 64px);
    font-weight: 400;
    letter-spacing: var(--letter-spacing-title);
    line-height: 1.1;
    margin-bottom: var(--space-16);
    text-transform: uppercase;
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-size: var(--text-h3);
    font-weight: 300;
    letter-spacing: var(--letter-spacing-normal);
    margin-bottom: var(--space-48);
    opacity: 0.9;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-20);
    margin-bottom: var(--space-48);
    font-size: var(--text-small);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    text-align: center;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

.hero-info span {
    opacity: 0.8;
    line-height: 1.4;
    padding: var(--space-4) 0;
}

.hero-info .date {
    font-weight: 600;
    opacity: 1;
    font-size: calc(var(--text-small) + 1px);
}

.hero-info .time {
    opacity: 0.9;
    font-weight: 500;
}

.hero-info .venue {
    opacity: 0.85;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: 0.05em;
}

/* ============================================================================
   CTA BUTTON - Minimal Design
   ============================================================================ */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-32);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-body);
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.02em;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    transition: all var(--transition-normal);
    cursor: pointer;
    margin-bottom: var(--space-24);
    min-width: 180px;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cta-button:hover::before {
    opacity: 1;
}

.cta-button:hover,
.cta-button:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    outline: none;
}

.cta-button:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.cta-button--large {
    padding: var(--space-20) var(--space-48);
    font-size: var(--text-body);
    min-width: 240px;
}

/* Minimal variant for hero */
.cta-button--minimal {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-12) var(--space-24);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    min-width: 160px;
}

.cta-button--minimal:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.5);
}

.urgency-text {
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    font-weight: 500;
}

/* ============================================================================
   ABOUT SECTION (Enhanced with Geometric Background)
   ============================================================================ */

.about-event {
    padding: var(--space-128) 0;
    min-height: 80vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-event:not(.section-with-video) {
    background-color: var(--bg-secondary);
}

.about-event.section-with-video .section-video-background::before {
    background: linear-gradient(
        rgba(2, 5, 18, 0.2),
        rgba(3, 3, 35, 0.3)
    );
}

/* Remove decorative backgrounds when using video */
.about-event.section-with-video::before,
.about-event.section-with-video::after {
    display: none;
}

/* Keep decorative backgrounds for fallback */
.about-event:not(.section-with-video)::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background-image: url('./assets/logo/Prancheta 3.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.06;
    z-index: 0;
    filter: invert(1);
}

/* Network connections overlay */
.about-event:not(.section-with-video)::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at 20% 30%,
        rgba(237, 237, 237, 0.03) 1px,
        transparent 1px
    ),
    radial-gradient(
        circle at 80% 70%,
        rgba(237, 237, 237, 0.03) 1px,
        transparent 1px
    ),
    radial-gradient(
        circle at 60% 20%,
        rgba(237, 237, 237, 0.03) 1px,
        transparent 1px
    ),
    radial-gradient(
        circle at 30% 80%,
        rgba(237, 237, 237, 0.03) 1px,
        transparent 1px
    );
    background-size: 80px 80px, 120px 120px, 100px 100px, 90px 90px;
    opacity: 0.4;
    z-index: 1;
    animation: networkPulse 8s ease-in-out infinite;
}

@keyframes networkPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

/* Editorial Typography Layout */
.about-copy {
    font-family: var(--font-primary); /* TT Chocolates - mais limpa e legível */
    font-size: var(--text-body);
    line-height: 1.6;
    text-align: center;
    max-width: 55ch;
    margin: 0;
    font-weight: 400; /* Normal weight - sem negrito */
    letter-spacing: var(--letter-spacing-title); /* 0.128em per brand guide */
    position: relative;
    z-index: 2;
    
    /* Perfect centering */
    text-wrap: balance;
    hyphens: auto;
    font-variant-ligatures: common-ligatures;
}

/* ============================================================================
   SCHEDULE SECTION (Enhanced with Video)
   ============================================================================ */

.schedule {
    padding: var(--space-96) 0;
}

.schedule:not(.section-with-video) {
    background-color: var(--bg-primary);
}

.schedule.section-with-video .section-video-background::before {
    background: linear-gradient(
        rgba(2, 5, 18, 0.5),
        rgba(3, 3, 35, 0.6)
    );
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--space-64);
    letter-spacing: var(--letter-spacing-title);
    text-transform: uppercase;
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 10%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 90%,
        transparent 100%
    );
}

.timeline-item {
    display: flex;
    gap: var(--space-40);
    margin-bottom: var(--space-64);
    padding: var(--space-24);
    background: rgba(255, 255, 255, 0.01);
    border-radius: 16px;
    transition: all var(--transition-normal);
    position: relative;
}

.timeline-item:hover {
    background: rgba(255, 255, 255, 0.02);
    transform: translateY(-2px);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-time {
    font-family: var(--font-primary);
    font-size: var(--text-h3);
    font-weight: 700;
    min-width: 100px;
    text-align: right;
    opacity: 0.9;
    font-variant-numeric: tabular-nums;
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.timeline-time::after {
    content: '';
    position: absolute;
    right: -22px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--bg-primary), 0 0 0 5px rgba(255, 255, 255, 0.2);
}

.timeline-content {
    flex: 1;
    min-width: 0;
}

.timeline-content h3 {
    font-size: var(--text-h2);
    font-weight: 600;
    margin-bottom: var(--space-20);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-primary);
    opacity: 0.95;
}

.speaker {
    margin-top: var(--space-16);
}

.speaker-name {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-4);
    letter-spacing: 0.01em;
}

.speaker-bio {
    font-size: var(--text-small);
    opacity: 0.8;
    font-style: italic;
}

/* ============================================================================
   LOCATION SECTION (Enhanced with Video)
   ============================================================================ */

.location {
    padding: var(--space-96) 0;
}

.location:not(.section-with-video) {
    background-color: var(--bg-tertiary);
}

/* Special styling for Cascais video - balanced visibility */
.location-video video {
    opacity: 0.5 !important;
}

.location.section-with-video .section-video-background::before {
    background: linear-gradient(
        rgba(3, 3, 45, 0.6),
        rgba(2, 5, 18, 0.7)
    );
}

.location-details {
    display: grid;
    gap: var(--space-48);
    max-width: 1000px;
    margin: 0 auto;
}

.location-info h3 {
    font-size: var(--text-h2);
    font-weight: 500;
    margin-bottom: var(--space-16);
    letter-spacing: 0.02em;
}

.location-info address {
    font-style: normal;
    font-size: var(--text-body);
    line-height: 1.6;
    margin-bottom: var(--space-32);
    opacity: 0.9;
}

.practical-info {
    margin-top: var(--space-32);
}

.info-list {
    list-style: none;
    margin-bottom: var(--space-24);
}

.info-list li {
    position: relative;
    padding-left: var(--space-24);
    margin-bottom: var(--space-8);
    font-size: var(--text-small);
    opacity: 0.9;
}

.info-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--text-primary);
    opacity: 0.5;
}

.event-rules {
    margin-top: var(--space-24);
    padding-top: var(--space-24);
    border-top: 1px solid rgba(237, 237, 237, 0.1);
}

.event-rules p {
    font-size: var(--text-small);
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.map-container iframe {
    display: block;
    width: 100%;
    filter: grayscale(100%) invert(92%) contrast(83%);
}

/* ============================================================================
   PRICING SECTION
   ============================================================================ */

.pricing-section {
    padding: var(--space-96) 0;
    background-color: var(--bg-secondary);
}

.pricing-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.pricing-title {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 400;
    margin-bottom: var(--space-16);
    letter-spacing: var(--letter-spacing-title);
    text-transform: uppercase;
}

.pricing-subtitle {
    font-family: var(--font-accent);
    font-size: var(--text-body);
    margin-bottom: var(--space-64);
    opacity: 0.9;
    font-weight: 300;
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-24);
    margin-bottom: var(--space-48);
    max-width: 500px;
    margin: 0 auto var(--space-48);
    align-items: stretch;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: var(--space-24);
    position: relative;
    transition: all var(--transition-normal);
    text-align: left;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.pricing-card--featured {
    border: 2px solid rgba(255, 154, 0, 0.3);
    background: rgba(255, 154, 0, 0.05);
    position: relative;
}

.pricing-card--featured:hover {
    border-color: rgba(255, 154, 0, 0.5);
    background: rgba(255, 154, 0, 0.08);
    box-shadow: 0 20px 60px rgba(255, 154, 0, 0.2);
}

.pricing-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(255, 154, 0, 0.9), rgba(255, 206, 84, 0.9));
    color: var(--bg-primary);
    font-size: var(--text-caption);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-8) var(--space-20);
    border-radius: 20px;
    border: 1px solid rgba(255, 154, 0, 0.5);
}

.pricing-card-header {
    margin-bottom: var(--space-20);
}

.pricing-card-title {
    font-size: var(--text-h3);
    font-weight: 600;
    margin-bottom: var(--space-16);
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.pricing-card-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.price-currency {
    font-size: var(--text-body);
    font-weight: 500;
    opacity: 0.8;
}

.price-amount {
    font-size: clamp(36px, 8vw, 48px);
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.price-save {
    font-size: var(--text-small);
    color: rgba(255, 154, 0, 0.9);
    font-weight: 600;
    background: rgba(255, 154, 0, 0.1);
    padding: var(--space-4) var(--space-12);
    border-radius: 12px;
    border: 1px solid rgba(255, 154, 0, 0.3);
}

.pricing-card-features {
    margin-bottom: var(--space-20);
    flex-grow: 1;
}

.pricing-card-features ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pricing-card-features li {
    position: relative;
    padding-left: var(--space-20);
    margin-bottom: var(--space-8);
    font-size: var(--text-body);
    opacity: 0.9;
    line-height: 1.4;
}

.pricing-card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: rgba(255, 154, 0, 0.8);
    font-weight: 600;
    font-size: var(--text-body);
}

.pricing-cta {
    display: block;
    width: 100%;
    padding: var(--space-16) var(--space-32);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-body);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-normal);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.pricing-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.pricing-cta:hover::before {
    opacity: 1;
}

.pricing-cta:hover,
.pricing-cta:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    outline: none;
}

.pricing-card--featured .pricing-cta {
    background: rgba(255, 154, 0, 0.2);
    border-color: rgba(255, 154, 0, 0.5);
    color: var(--text-primary);
}

.pricing-card--featured .pricing-cta:hover {
    background: rgba(255, 154, 0, 0.3);
    border-color: rgba(255, 154, 0, 0.7);
    box-shadow: 0 8px 24px rgba(255, 154, 0, 0.3);
}

.pricing-disclaimer {
    font-size: var(--text-small);
    text-align: center;
    opacity: 0.7;
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.4;
    margin-top: var(--space-32);
}

/* Responsive Design */
@media (min-width: 768px) {
    .pricing-cards {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-40);
    }
    
    .pricing-card {
        padding: var(--space-48);
    }
    
    .pricing-card--featured {
        transform: scale(1.02);
    }
    
    .pricing-card--featured:hover {
        transform: scale(1.02) translateY(-4px);
    }
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    padding: var(--space-48) 0;
    background-color: var(--bg-primary);
    border-top: 1px solid rgba(237, 237, 237, 0.1);
    text-align: center;
}

.footer p {
    font-size: var(--text-small);
    opacity: 0.6;
    letter-spacing: 0.02em;
}

/* ============================================================================
   ANIMATIONS & INTERACTIONS
   ============================================================================ */

/* Fade-in Animation */
[data-fade-in] {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-fade-in].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================================
   RESPONSIVE BREAKPOINTS (Mobile-First)
   ============================================================================ */

/* Small tablets and large phones (min-width: 480px) */
@media (min-width: 480px) {
    :root {
        --container-padding: var(--space-24);
        --text-h1: 48px;
    }
    
    .hero-info {
        flex-direction: column;
        gap: var(--space-24);
        max-width: 350px;
    }
    
    .hero-info .date {
        font-size: var(--text-body);
        margin-bottom: var(--space-4);
    }
    
    /* Pricing mobile adjustments */
    .pricing-card {
        padding: var(--space-32);
    }
    
    .pricing-card-header {
        margin-bottom: var(--space-24);
    }
    
    .pricing-card-features {
        margin-bottom: var(--space-24);
    }
    
    .pricing-card-features li {
        margin-bottom: var(--space-10);
        line-height: 1.5;
    }
}

/* Tablets (min-width: 768px) */
@media (min-width: 768px) {
    :root {
        --container-padding: var(--space-32);
        --text-h1: 56px;
        --text-h2: 36px;
        --text-h3: 28px;
        --text-body: 18px;
    }
    
    .hero-info {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-24);
        max-width: none;
    }
    
    .hero-info span::after {
        content: '|';
        margin-left: var(--space-24);
        opacity: 0.3;
    }
    
    .hero-info span:last-child::after {
        content: none;
    }
    
    /* Pricing Section Tablet */
    .pricing-cards {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-40);
        max-width: 900px;
        margin: 0 auto var(--space-48);
        align-items: stretch;
    }
    
    .pricing-card {
        padding: var(--space-48);
    }
    
    .header {
        height: 64px;
    }
    
    .header.scrolled {
        height: 56px;
    }
    
    .logo {
        max-width: 160px;
    }
    
    .header.scrolled .logo {
        max-width: 140px;
    }
    
    .cta-button--large {
        width: auto;
        min-width: 320px;
    }
    
    /* About section symbol scaling */
    .about-event::before {
        width: 500px;
        height: 500px;
    }
    
    .location-details {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
    
    .timeline-item {
        gap: var(--space-48);
    }
    
    .timeline-time {
        min-width: 100px;
        font-size: var(--text-body);
    }
}

/* Desktop (min-width: 1024px) */
@media (min-width: 1024px) {
    :root {
        --container-padding: var(--space-48);
        --text-h1: 64px;
        --text-h2: 42px;
        --text-h3: 32px;
        --text-body: 20px;
    }
    
    .header {
        height: 68px;
    }
    
    .header.scrolled {
        height: 60px;
    }
    
    .logo {
        max-width: 180px;
    }
    
    .header.scrolled .logo {
        max-width: 160px;
    }
    
    .hero {
        padding: var(--space-128) 0;
    }
    
    /* Pricing Section Desktop */
    .pricing-cards {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-48);
        max-width: 1000px;
        align-items: stretch;
    }
    
    .pricing-card {
        padding: var(--space-56);
    }
    
    .pricing-card--featured {
        transform: scale(1.02);
    }
    
    .hero-title {
        letter-spacing: 0.15em;
    }
    
    /* About section symbol scaling for desktop */
    .about-event::before {
        width: 600px;
        height: 600px;
    }
    
    .about-copy {
        font-size: 28px;
    }
    
    .timeline-item {
        gap: var(--space-64);
    }
    
    .timeline-time {
        min-width: 120px;
        font-size: var(--text-body);
    }
}

/* Large Desktop (min-width: 1440px) */
@media (min-width: 1440px) {
    :root {
        --container-padding: var(--space-64);
    }
}

/* ============================================================================
   TEXT SHADOWS FOR VIDEO LEGIBILITY
   ============================================================================ */

.section-with-video .hero-title,
.section-with-video .hero-subtitle,
.section-with-video .section-title,
.section-with-video .about-copy,
.section-with-video .timeline-content h3,
.section-with-video .speaker-name,
.section-with-video .location-info h3 {
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.section-with-video .hero-info span,
.section-with-video .timeline-time,
.section-with-video .urgency-text,
.section-with-video .speaker-bio,
.section-with-video .info-list li,
.section-with-video .event-rules p {
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

/* ============================================================================
   ACCESSIBILITY & REDUCED MOTION
   ============================================================================ */

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    [data-fade-in] {
        transform: none;
    }
    
    /* Disable video backgrounds for reduced motion */
    .section-video-background video {
        display: none !important;
    }
    
    .section-with-video {
        background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }
    
    /* Remove video overlays */
    .section-video-background::before {
        display: none;
    }
    
    /* Disable network animation for reduced motion */
    .about-event::after {
        animation: none !important;
        opacity: 0.3;
    }
    
    /* Remove text shadows when no video */
    .section-with-video .hero-title,
    .section-with-video .hero-subtitle,
    .section-with-video .section-title,
    .section-with-video .about-copy,
    .section-with-video .timeline-content h3,
    .section-with-video .speaker-name,
    .section-with-video .location-info h3,
    .section-with-video .hero-info span,
    .section-with-video .timeline-time,
    .section-with-video .urgency-text,
    .section-with-video .speaker-bio,
    .section-with-video .info-list li,
    .section-with-video .event-rules p {
        text-shadow: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #FFFFFF;
        --bg-primary: #000000;
    }
    
    .cta-button {
        border-width: 3px;
    }
}

/* Focus indicators for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--text-primary);
    outline-offset: 4px;
}

/* ============================================================================
   SPEAKER PORTRAITS - Enhanced Visual Presentation
   ============================================================================ */

/* Base speaker styling with glass morphism */
.speaker {
    display: flex;
    align-items: flex-start;
    gap: var(--space-20);
    padding: var(--space-24);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.speaker::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.speaker:hover::before {
    opacity: 1;
}

.speaker:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Speaker portrait container */
.speaker-portrait {
    position: relative;
    flex-shrink: 0;
}

.speaker-image {
    width: 120px;
    height: auto;
    border-radius: 12px;
    transition: all var(--transition-normal);
    filter: brightness(1.1) contrast(1.05);
    opacity: 0;
    transform: scale(0.95);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.speaker-image.loaded {
    opacity: 1;
    transform: scale(1);
}

.speaker-image.loading {
    opacity: 0.5;
    transform: scale(0.98);
}

.speaker-image.error {
    opacity: 0.3;
    filter: grayscale(100%);
}

.speaker:hover .speaker-image.loaded {
    transform: scale(1.02);
    filter: brightness(1.15) contrast(1.1);
}

/* Speaker information */
.speaker-info {
    flex: 1;
    min-width: 0;
}

.speaker-name {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-8);
    letter-spacing: 0.01em;
    color: var(--text-primary);
}

.speaker-bio {
    font-size: var(--text-small);
    opacity: 0.9;
    font-style: italic;
    margin-bottom: var(--space-8);
    font-weight: 500;
}

.speaker-description {
    font-size: var(--text-small);
    opacity: 0.8;
    line-height: 1.5;
    margin: 0;
    font-weight: 400;
}

/* ============================================================================
   SPEAKER VARIATIONS - Host, Keynote, and Duo
   ============================================================================ */

/* Host styling (Johnatan - Fundador) */
.speaker--host {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.06);
    padding: var(--space-20) var(--space-24);
}

.speaker--host .speaker-portrait {
    opacity: 0.9;
}

.speaker--host .speaker-image {
    width: 100px;
}

.speaker--host .speaker-name {
    font-size: var(--text-body);
    font-weight: 600;
    opacity: 0.95;
}

.speaker--host .speaker-bio {
    font-size: var(--text-small);
    opacity: 0.8;
    margin-bottom: 0;
    font-weight: 500;
}

/* Keynote speaker styling (Lucas - Speaker Principal) */
.speaker--keynote {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
    padding: var(--space-32);
    border-radius: 16px;
}

.speaker--keynote .speaker-image {
    width: 140px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.speaker--keynote .speaker-name {
    font-size: clamp(var(--text-h2), 4vw, 36px);
    font-weight: 700;
    margin-bottom: var(--space-16);
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.speaker--keynote .speaker-bio {
    font-size: var(--text-h3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-20);
    opacity: 1;
    color: rgba(255, 255, 255, 0.95);
}

.speaker--keynote .speaker-description {
    font-size: var(--text-body);
    opacity: 0.9;
    line-height: 1.7;
    font-weight: 400;
}

/* Duo speakers styling (Zakhar & Kirill) */
.speaker--duo {
    flex-direction: column;
    gap: var(--space-32);
    align-items: center;
    text-align: center;
    padding: var(--space-40);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 16px;
}

.speaker-portraits-duo {
    display: flex;
    gap: var(--space-32);
    justify-content: center;
    align-items: center;
    position: relative;
}

.speaker-portraits-duo::before {
    content: '&';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-accent);
    font-size: 28px;
    color: var(--text-primary);
    opacity: 0.4;
    z-index: 1;
    background: var(--bg-primary);
    padding: var(--space-8) var(--space-12);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.speaker--duo .speaker-image {
    width: 130px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.speaker--duo .speaker-name {
    font-size: clamp(var(--text-h2), 4vw, 32px);
    font-weight: 700;
    margin-bottom: var(--space-16);
    letter-spacing: 0.02em;
}

.speaker--duo .speaker-bio {
    font-size: var(--text-h3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-20);
    opacity: 1;
    color: rgba(255, 255, 255, 0.95);
}

.speaker--duo .speaker-description {
    font-size: var(--text-body);
    opacity: 0.9;
    line-height: 1.7;
    max-width: 65ch;
    font-weight: 400;
}

/* ============================================================================
   SPEAKER RESPONSIVE DESIGN
   ============================================================================ */

/* Mobile adjustments */
@media (max-width: 767px) {
    .timeline::before {
        left: 60px;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: var(--space-20);
        padding: var(--space-20);
        margin-bottom: var(--space-48);
    }
    
    .timeline-time {
        text-align: left;
        min-width: auto;
        font-size: var(--text-h3);
        justify-content: flex-start;
    }
    
    .timeline-time::after {
        display: none;
    }
    
    .speaker {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-20);
        padding: var(--space-24);
    }
    
    .speaker--host {
        flex-direction: row;
        text-align: left;
        padding: var(--space-16) var(--space-20);
    }
    
    .speaker--host .speaker-image {
        width: 80px;
    }
    
    .speaker--keynote .speaker-image {
        width: 120px;
    }
    
    .speaker-portraits-duo {
        gap: var(--space-20);
    }
    
    .speaker--duo .speaker-image {
        width: 100px;
    }
    
    .speaker--duo {
        padding: var(--space-28);
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
    .timeline::before {
        left: 110px;
    }
    
    .timeline-time {
        min-width: 90px;
        font-size: var(--text-body);
    }
    
    .speaker--keynote .speaker-image {
        width: 120px;
    }
    
    .speaker--duo .speaker-image {
        width: 110px;
    }
    
    .speaker--host .speaker-image {
        width: 90px;
    }
}

/* ============================================================================
   SPEAKER ACCESSIBILITY ENHANCEMENTS
   ============================================================================ */

/* Focus states for keyboard navigation */
.speaker:focus-within {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 4px;
}

.speaker-image:focus {
    outline: 2px solid rgba(255, 255, 255, 0.7);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .speaker {
        border-color: rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.08);
    }
    
    .speaker-name {
        color: #FFFFFF;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .speaker,
    .speaker-image {
        transition: none;
    }
    
    .speaker:hover {
        transform: none;
    }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    * {
        background: white !important;
        color: black !important;
    }
    
    .header,
    .cta-button,
    .map-container {
        display: none;
    }
    
    .hero,
    .about-event,
    .schedule,
    .location,
    .final-cta {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .speaker-image {
        filter: grayscale(100%);
    }
}

/* ============================================================================
   INDIVIDUAL SPEAKER SECTIONS - New Architecture
   ============================================================================ */

/* Section-specific layouts */
.speaker-section-layout {
    display: grid;
    gap: var(--space-48);
    align-items: center;
    min-height: 80vh;
    padding: var(--space-64) 0;
    position: relative;
    z-index: 2;
}

.event-time {
    font-family: var(--font-primary);
    font-size: var(--text-h2);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-16);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
}

.section-subtitle {
    font-family: var(--font-accent);
    font-size: var(--text-h3);
    font-style: italic;
    opacity: 0.9;
    margin-bottom: var(--space-32);
    font-weight: 300;
}

/* ============================================================================
   OPENING SECTION - Johnatan (Host Layout)
   ============================================================================ */

.speaker-layout--host {
    grid-template-columns: 1fr 300px;
    gap: var(--space-64);
}

.speaker-content {
    max-width: 600px;
}

.speaker-info-detailed h3 {
    font-size: clamp(var(--text-h2), 4vw, 42px);
    font-weight: 700;
    margin-bottom: var(--space-12);
    color: var(--text-primary);
}

.speaker-title {
    font-size: var(--text-h3);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-24);
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

.speaker-description {
    font-size: var(--text-body);
    line-height: 1.7;
    opacity: 0.9;
    font-weight: 400;
    max-width: 65ch;
}

.speaker-portrait-large {
    display: flex;
    justify-content: center;
    align-items: center;
}

.speaker-image-large {
    width: 280px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.95);
}

.speaker-image-large.loaded {
    opacity: 1;
    transform: scale(1);
}

.speaker-image-large.loading {
    opacity: 0.5;
    transform: scale(0.98);
}

.speaker-image-large.loaded:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
}

/* ============================================================================
   KEYNOTE SECTION - Lucas (Hero Layout)
   ============================================================================ */

.speaker-layout--keynote {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.keynote-header {
    margin-bottom: var(--space-48);
}

.keynote-main {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-64);
    align-items: start;
    text-align: left;
    margin-top: var(--space-48);
}

.speaker-portrait-hero {
    display: flex;
    justify-content: center;
    position: relative;
}

.speaker-image-hero {
    width: 260px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.95);
}

.speaker-image-hero.loaded {
    opacity: 1;
    transform: scale(1);
}

.speaker-image-hero.loading {
    opacity: 0.5;
    transform: scale(0.98);
}

.speaker-image-hero.loaded:hover {
    transform: scale(1.03);
    box-shadow: 0 24px 100px rgba(0, 0, 0, 0.6);
}

.talk-highlights {
    margin-top: var(--space-32);
    padding: var(--space-24);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.talk-highlights h4 {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-16);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.talk-highlights ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.talk-highlights li {
    position: relative;
    padding-left: var(--space-24);
    margin-bottom: var(--space-8);
    font-size: var(--text-small);
    opacity: 0.8;
}

.talk-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-primary);
    opacity: 0.6;
    font-weight: 600;
}

/* ============================================================================
   INNOVATION SECTION - Zakhar & Kirill (Duo Layout)
   ============================================================================ */

.speaker-layout--duo {
    max-width: 1200px;
    margin: 0 auto;
}

.innovation-header {
    text-align: center;
    margin-bottom: var(--space-64);
}

.duo-speakers {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-48);
    align-items: center;
    margin-bottom: var(--space-64);
}

.speaker-duo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-24);
}

.speaker-portrait-duo {
    position: relative;
}

.speaker-image-duo {
    width: 220px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.95);
}

/* Subtle hierarchy: first speaker slightly larger */
.speaker-duo-item:first-child .speaker-image-duo {
    width: 240px;
}

.speaker-image-duo.loaded {
    opacity: 1;
    transform: scale(1);
}

.speaker-image-duo.loading {
    opacity: 0.5;
    transform: scale(0.98);
}

.speaker-image-duo.loaded:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.5);
}

.speaker-info-duo h3 {
    font-size: var(--text-h2);
    font-weight: 700;
    margin-bottom: var(--space-8);
    color: var(--text-primary);
}

.speaker-info-duo .speaker-title {
    font-size: var(--text-body);
    margin-bottom: var(--space-16);
}

.speaker-info-duo .speaker-description {
    max-width: 45ch;
    margin: 0 auto;
}

.speakers-connector {
    font-family: var(--font-accent);
    font-size: 48px;
    color: var(--text-primary);
    opacity: 0.3;
    font-weight: 300;
}

.collaboration-highlight {
    text-align: center;
    padding: var(--space-32);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.collaboration-highlight h4 {
    font-size: var(--text-h3);
    font-weight: 600;
    margin-bottom: var(--space-24);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-16);
    margin-top: var(--space-24);
}

.topic-item {
    padding: var(--space-12) var(--space-20);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: var(--text-small);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.topic-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

/* ============================================================================
   EVENT TIMELINE SUMMARY
   ============================================================================ */

.event-timeline {
    padding: var(--space-96) 0;
    background: var(--bg-secondary);
    text-align: center;
}

.timeline-summary {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    max-width: 800px;
    margin: 0 auto var(--space-64) auto;
    list-style: none;
    padding: 0;
}

.timeline-item-summary {
    display: flex;
    align-items: center;
    gap: var(--space-24);
    padding: var(--space-16) var(--space-24);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.timeline-item-summary.featured {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid rgba(255, 255, 255, 0.3);
    padding-left: calc(var(--space-24) - 3px);
}

.timeline-item-summary time {
    font-family: var(--font-primary);
    font-size: var(--text-body);
    font-weight: 700;
    min-width: 80px;
    text-align: left;
    opacity: 0.9;
    font-variant-numeric: tabular-nums;
}

.timeline-item-summary span {
    flex: 1;
    text-align: left;
    font-size: var(--text-body);
    opacity: 0.9;
}

.timeline-item-summary.featured span {
    font-weight: 600;
    opacity: 1;
}

.event-cta {
    margin-top: var(--space-48);
}

/* ============================================================================
   MODERN SPEAKER CARDS - Inspired by Contemporary Designs
   ============================================================================ */

.speakers-showcase {
    padding: var(--space-96) 0;
    background: var(--bg-primary);
    position: relative;
}

.showcase-header {
    text-align: center;
    margin-bottom: var(--space-80);
}

.showcase-header .section-title {
    font-size: clamp(var(--text-h1), 8vw, 64px);
    margin-bottom: var(--space-16);
}

.showcase-header .section-subtitle {
    font-family: var(--font-accent);
    font-size: var(--text-h3);
    opacity: 0.8;
    font-weight: 300;
    font-style: italic;
}

/* Speaker Card Base */
.speaker-card {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: var(--space-48);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.speaker-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.12);
}

.speaker-card-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.4;
    transition: opacity var(--transition-normal);
}

.speaker-card:hover .speaker-card-gradient {
    opacity: 0.8;
}

.speaker-card-content {
    position: relative;
    z-index: 2;
    padding: var(--space-40);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-48);
    align-items: start;
}

/* Avatar Styles - Larger for better impact */
.speaker-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid rgba(255, 255, 255, 0.25);
    transition: all var(--transition-normal);
    background: var(--bg-tertiary);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 2px 8px rgba(255, 255, 255, 0.1);
    margin: var(--space-16) var(--space-20) 0 var(--space-16);
    align-self: start;
    flex-shrink: 0;
}

.speaker-card:hover .speaker-avatar {
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
}

.speaker-image-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.95);
}

.speaker-image-avatar.loaded {
    opacity: 1;
    transform: scale(1);
}

/* Speaker Info */
.speaker-info {
    min-width: 0;
    padding: var(--space-16) var(--space-16) var(--space-16) 0;
}

.speaker-session {
    display: flex;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
    align-items: center;
}

.session-time {
    font-family: var(--font-primary);
    font-size: var(--text-small);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-4) var(--space-12);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.session-type {
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
    font-weight: 600;
}

.speaker-name {
    font-size: clamp(var(--text-h2), 4vw, 36px);
    font-weight: 700;
    margin-bottom: var(--space-8);
    line-height: 1.2;
    color: var(--text-primary);
}

.speaker-role {
    font-size: var(--text-body);
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: var(--space-12);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.9);
}

.speaker-topic {
    font-family: var(--font-accent);
    font-size: var(--text-h3);
    font-style: italic;
    font-weight: 300;
    margin-bottom: var(--space-16);
    opacity: 0.95;
    line-height: 1.3;
}

.speaker-bio {
    font-size: var(--text-body);
    line-height: 1.6;
    opacity: 0.85;
    margin-bottom: var(--space-24);
    max-width: 65ch;
}

/* Talk Points */
.talk-points {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-top: var(--space-20);
}

.point {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-8) var(--space-16);
    border-radius: 20px;
    font-size: var(--text-small);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.point:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* Duo Avatars */
.speakers-duo-avatars {
    display: flex;
    flex-direction: column;
    gap: var(--space-24);
    position: relative;
    margin: var(--space-16) var(--space-20) 0 var(--space-16);
    align-items: center;
    min-width: 160px;
}

.speakers-duo-avatars::after {
    display: none;
}

.speakers-duo-avatars .speaker-avatar {
    width: 120px;
    height: 120px;
    margin: 0;
}

/* Card Variants - Enhanced Gradient Themes for Better Image Contrast */
.speaker-card--host .speaker-card-gradient {
    background: linear-gradient(
        135deg,
        rgba(120, 119, 198, 0.4) 0%,
        rgba(120, 119, 198, 0.2) 30%,
        rgba(255, 111, 97, 0.3) 70%,
        rgba(255, 111, 97, 0.4) 100%
    );
}

.speaker-card--keynote .speaker-card-gradient {
    background: linear-gradient(
        135deg,
        rgba(255, 154, 0, 0.5) 0%,
        rgba(255, 206, 84, 0.4) 25%,
        rgba(255, 206, 84, 0.3) 50%,
        rgba(12, 95, 255, 0.4) 75%,
        rgba(12, 95, 255, 0.5) 100%
    );
}

.speaker-card--keynote {
    border: 2px solid rgba(255, 154, 0, 0.3);
    box-shadow: 
        0 16px 40px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 154, 0, 0.1);
}

.speaker-card--keynote:hover {
    border-color: rgba(255, 154, 0, 0.5);
    box-shadow: 
        0 24px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 154, 0, 0.2);
}

.speaker-card--innovation .speaker-card-gradient {
    background: linear-gradient(
        135deg,
        rgba(0, 255, 163, 0.3) 0%,
        rgba(0, 255, 163, 0.2) 25%,
        rgba(116, 185, 255, 0.3) 50%,
        rgba(159, 122, 234, 0.2) 75%,
        rgba(159, 122, 234, 0.3) 100%
    );
}

/* Enhanced visual hierarchy with subtle background patterns */
.speaker-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at var(--x, 50%) var(--y, 50%),
        rgba(255, 255, 255, 0.03) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.speaker-card:hover::before {
    opacity: 1;
}

/* ============================================================================
   RESPONSIVE DESIGN - Modern Speaker Cards
   ============================================================================ */

/* Mobile adjustments - Hero image approach */
@media (max-width: 767px) {
    .speakers-showcase {
        padding: var(--space-64) 0;
    }
    
    .showcase-header {
        margin-bottom: var(--space-48);
    }
    
    .showcase-header .section-title {
        font-size: clamp(var(--text-h1), 12vw, 48px);
    }
    
    .showcase-header .section-subtitle {
        font-size: var(--text-body);
    }
    
    /* Mobile: Stack vertically with large image on top */
    .speaker-card-content {
        grid-template-columns: 1fr;
        gap: var(--space-32);
        padding: var(--space-32) var(--space-24);
        text-align: center;
    }
    
    /* Consistent large avatars for all speaker types in mobile */
    .speaker-avatar {
        width: 180px;
        height: 180px;
        margin: 0 auto;
        border-width: 6px;
        box-shadow: 
            0 16px 48px rgba(0, 0, 0, 0.4),
            inset 0 4px 12px rgba(255, 255, 255, 0.15);
    }
    
    /* Override all speaker avatar sizes for mobile consistency */
    .speakers-duo-avatars .speaker-avatar {
        width: 160px;
        height: 160px;
    }
    
    /* Duo speakers arrangement for mobile */
    .speakers-duo-avatars {
        justify-content: center;
        gap: var(--space-20);
        flex-wrap: wrap;
    }
    
    .speakers-duo-avatars .speaker-avatar {
        width: 160px;
        height: 160px;
    }
    
    /* Mobile: connector between duo speakers */
    .speakers-duo-avatars::after {
        width: 40px;
        height: 40px;
        font-size: 28px;
        border-width: 3px;
    }
    
    /* Taller gradient for larger images */
    .speaker-card-gradient {
        height: 180px;
    }
    
    .speaker-session {
        justify-content: center;
        margin-bottom: var(--space-24);
    }
    
    .talk-points {
        justify-content: center;
        margin-top: var(--space-32);
    }
    
    .speaker-bio {
        max-width: none;
        margin-bottom: var(--space-32);
    }
    
    /* Larger session time badge for mobile */
    .session-time {
        font-size: var(--text-body);
        padding: var(--space-8) var(--space-20);
    }
    
    .session-type {
        font-size: var(--text-small);
    }
    
    /* Enhanced typography for mobile - consistent across all cards */
    .speaker-name {
        font-size: clamp(24px, 7vw, 28px);
        margin-bottom: var(--space-12);
        line-height: 1.2;
    }
    
    .speaker-role {
        font-size: var(--text-body);
        margin-bottom: var(--space-16);
        font-weight: 500;
    }
    
    .speaker-topic {
        font-size: clamp(18px, 5vw, 22px);
        margin-bottom: var(--space-20);
        line-height: 1.3;
    }
    
    .speaker-bio {
        font-size: var(--text-body);
        line-height: 1.5;
        margin-bottom: var(--space-24);
    }
    
    /* Consistent session info for mobile */
    .speaker-session {
        margin-bottom: var(--space-20);
        gap: var(--space-16);
    }
    
    .session-time {
        font-size: var(--text-body);
        padding: var(--space-8) var(--space-20);
        font-weight: 700;
    }
    
    .session-type {
        font-size: var(--text-body);
        font-weight: 600;
    }
}

/* Tablet adjustments */  
@media (min-width: 768px) and (max-width: 1023px) {
    .speakers-showcase {
        padding: var(--space-80) 0;
    }
    
    .speaker-card-content {
        padding: var(--space-36);
        gap: var(--space-40);
        grid-template-columns: auto 1fr;
        text-align: left;
    }
    
    .speaker-avatar {
        width: 140px;
        height: 140px;
        margin: var(--space-12) var(--space-24) 0 var(--space-12);
        align-self: start;
    }
    
    .speakers-duo-avatars .speaker-avatar {
        width: 110px;
        height: 110px;
        margin: 0;
    }
    
    .speakers-duo-avatars {
        margin: var(--space-12) var(--space-24) 0 var(--space-12);
        gap: var(--space-20);
        min-width: 140px;
    }
}

/* Desktop adjustments - Enhanced layout */
@media (min-width: 1024px) {
    .speakers-showcase {
        padding: var(--space-96) 0;
    }
    
    /* Desktop: Create more dynamic layouts per card */
    .speaker-card-content {
        padding: var(--space-48);
        gap: var(--space-56);
        grid-template-columns: auto 1fr;
        text-align: left;
    }
    
    /* Desktop: Even larger avatars - consistent sizing */
    .speaker-avatar {
        width: 160px;
        height: 160px;
        border-width: 6px;
        margin: var(--space-16) var(--space-32) 0 var(--space-16);
        align-self: start;
    }
    
    .speakers-duo-avatars .speaker-avatar {
        width: 130px;
        height: 130px;
        margin: 0;
    }
    
    .speakers-duo-avatars {
        margin: var(--space-16) var(--space-32) 0 var(--space-16);
        gap: var(--space-24);
        min-width: 160px;
    }
    
    /* Desktop: Enhanced hover effects */
    .speaker-card:hover .speaker-avatar {
        transform: scale(1.08);
        border-color: rgba(255, 255, 255, 0.5);
    }
    
    /* Desktop: Taller gradient for impact */
    .speaker-card-gradient {
        height: 250px;
    }
    
    /* Desktop: Enhanced typography */
    .speaker-name {
        font-size: clamp(32px, 3vw, 40px);
    }
    
    .speaker-topic {
        font-size: clamp(18px, 2vw, 24px);
    }
}

/* Original mobile section adjustments (legacy) */
@media (max-width: 767px) {
    .speaker-section-layout {
        min-height: auto;
        padding: var(--space-48) 0;
    }
    
    .event-time {
        font-size: var(--text-h2);
        margin-bottom: var(--space-12);
    }
    
    .section-subtitle {
        font-size: var(--text-body);
        margin-bottom: var(--space-24);
    }
    
    /* Opening Section Mobile */
    .speaker-layout--host {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-32);
    }
    
    .speaker-image-large {
        width: 200px;
    }
    
    .speaker-content {
        max-width: none;
        order: 2;
    }
    
    .speaker-portrait-large {
        order: 1;
    }
    
    /* Keynote Section Mobile */
    .keynote-main {
        grid-template-columns: 1fr;
        gap: var(--space-32);
        text-align: center;
    }
    
    .speaker-image-hero {
        width: 180px;
    }
    
    .speaker-portrait-hero {
        order: 1;
    }
    
    .speaker-info-detailed {
        order: 2;
    }
    
    /* Innovation Section Mobile */
    .duo-speakers {
        grid-template-columns: 1fr;
        gap: var(--space-40);
    }
    
    .speakers-connector {
        display: none;
    }
    
    .speaker-image-duo {
        width: 160px;
    }
    
    .speaker-info-duo .speaker-description {
        max-width: none;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .collaboration-highlight {
        padding: var(--space-24);
    }
    
    /* Timeline Summary Mobile */
    .timeline-item-summary {
        flex-direction: column;
        gap: var(--space-8);
        text-align: center;
    }
    
    .timeline-item-summary time {
        min-width: auto;
        text-align: center;
        font-size: var(--text-h3);
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
    .speaker-section-layout {
        padding: var(--space-56) 0;
    }
    
    /* Opening Section Tablet */
    .speaker-layout--host {
        grid-template-columns: 1fr 250px;
        gap: var(--space-48);
    }
    
    .speaker-image-large {
        width: 240px;
    }
    
    /* Keynote Section Tablet - Portrait maior para keynote */
    .keynote-main {
        grid-template-columns: 280px 1fr;
        gap: var(--space-48);
    }
    
    .speaker-image-hero {
        width: 280px;
    }
    
    /* Innovation Section Tablet */
    .speaker-image-duo {
        width: 180px;
    }
    
    /* First speaker slightly larger in tablet too */
    .speaker-duo-item:first-child .speaker-image-duo {
        width: 200px;
    }
    
    .duo-speakers {
        gap: var(--space-32);
    }
    
    .speakers-connector {
        font-size: 36px;
    }
}

/* Large Desktop adjustments */
@media (min-width: 1440px) {
    .speaker-section-layout {
        padding: var(--space-80) 0;
    }
    
    .event-time {
        font-size: clamp(var(--text-h1), 6vw, 72px);
    }
    
    .speaker-image-large {
        width: 320px;
    }
    
    .speaker-image-hero {
        width: 300px;
    }
    
    .speaker-image-duo {
        width: 260px;
    }
}