@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: #1a1a1a;
    background: linear-gradient(135deg, #fefefe 0%, #f8f9fa 100%);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.language-switcher {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem 24px 0;
}

.language-switcher ul {
    list-style: none;
    display: flex;
    gap: 0.75rem;
}

.language-switcher a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #475569;
    text-decoration: none;
    background: rgba(15, 23, 42, 0.04);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.language-switcher a:hover {
    background: rgba(243, 145, 31, 0.18);
    color: #0f172a;
    transform: translateY(-1px);
}

.language-switcher a.active {
    background: #f3911f;
    color: #ffffff;
}

@media (max-width: 768px) {
    .language-switcher {
        justify-content: center;
        padding: 1rem 16px 0;
    }
}

/* Header */
.header {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 5rem 0 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" fill="none"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23f3911f" fill-opacity="0.03"/></pattern></defs><rect width="1000" height="1000" fill="url(%23grain)"/></svg>');
    opacity: 0.4;
    pointer-events: none;
}

.date {
    font-size: 1.1rem;
    color: #f3911f;
    margin-bottom: 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
}

.main-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.subtitle {
    font-size: 1.4rem;
    color: #475569;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.author {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
    position: relative;
    z-index: 1;
    font-style: italic;
}

/* Hero Image */
.hero-image {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(243, 145, 31, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.featured-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(0,0,0,0.12),
        0 8px 24px rgba(0,0,0,0.08);
    background: white;
    max-width: 1000px;
    margin: 0 auto;
    transform: perspective(1000px) rotateX(2deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.featured-image:hover {
    transform: perspective(1000px) rotateX(0deg) translateY(-8px);
    box-shadow: 
        0 32px 80px rgba(0,0,0,0.16),
        0 12px 32px rgba(0,0,0,0.12);
}

.featured-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.featured-image:hover img {
    transform: scale(1.02);
}

/* Inline Images */
.inline-image-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
}

.inline-image-section:nth-child(even) {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.inline-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 16px 48px rgba(0,0,0,0.1),
        0 6px 16px rgba(0,0,0,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    max-width: 900px;
    margin: 0 auto;
}

.inline-image:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: 
        0 28px 64px rgba(0,0,0,0.15),
        0 12px 24px rgba(0,0,0,0.1);
}

.inline-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.inline-image:hover img {
    transform: scale(1.05);
}

/* Double Images Layout */
.double-images .image-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.double-images .inline-image {
    max-width: none;
}

.double-images .inline-image img {
    height: 300px;
}

/* Image Captions */
.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.9));
    color: white;
    padding: 3rem 2rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
}

.inline-image:hover .image-caption,
.featured-image:hover .image-caption {
    opacity: 1;
    transform: translateY(0);
}

.event-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 8px 24px rgba(243, 145, 31, 0.3);
    z-index: 2;
}

/* Content Sections */
.section {
    padding: 6rem 0;
    background: white;
    position: relative;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
    border-radius: 2px;
}

.content-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.content-text strong {
    color: #0f172a;
    font-weight: 600;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Program Details */
.program-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 4rem;
    border-radius: 24px;
    margin: 4rem 0;
    box-shadow: 
        0 20px 60px rgba(0,0,0,0.08),
        0 8px 24px rgba(0,0,0,0.04);
    border: 1px solid rgba(243, 145, 31, 0.1);
    position: relative;
    overflow: hidden;
}

.program-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
}

.program-day {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 600;
    color: #f3911f;
    margin-bottom: 1rem;
    text-align: center;
}

.program-type {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 3rem;
    font-style: italic;
    text-align: center;
    font-weight: 500;
}

.schedule-block {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 
        0 12px 40px rgba(0,0,0,0.06),
        0 4px 12px rgba(0,0,0,0.04);
    border: 1px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.schedule-block::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
}

.schedule-block:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 20px 60px rgba(0,0,0,0.1),
        0 8px 24px rgba(0,0,0,0.06);
}

.schedule-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.schedule-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 2rem;
}

/* Speaker List */
.speakers-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.speaker-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 
        0 12px 40px rgba(0,0,0,0.06),
        0 4px 12px rgba(0,0,0,0.04);
    border: 1px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.speaker-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
}

.speaker-card:hover {
    transform: translateY(-6px);
    box-shadow: 
        0 20px 60px rgba(0,0,0,0.1),
        0 8px 24px rgba(0,0,0,0.06);
}

.theme-title {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    line-height: 1.4;
}

.panelist-info {
    color: #64748b;
    font-size: 1rem;
    font-style: italic;
    font-weight: 500;
}

/* Co-Creation Labs */
.co-creation-grid {
    display: grid;
    gap: 3rem;
    margin: 4rem 0;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.co-creation-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 
        0 16px 48px rgba(0,0,0,0.08),
        0 6px 16px rgba(0,0,0,0.04);
    border: 1px solid rgba(243, 145, 31, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.co-creation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
}

.co-creation-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 24px 64px rgba(0,0,0,0.12),
        0 8px 24px rgba(0,0,0,0.06);
}

.co-creation-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #f3911f;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.co-creation-description {
    color: #475569;
    line-height: 1.7;
    font-size: 1.1rem;
}

/* Call to Action */
.cta-section {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(243, 145, 31, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-text {
    font-size: 1.3rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #f3911f 0%, #ff6b35 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(243, 145, 31, 0.3);
    position: relative;
    z-index: 1;
}

.cta-link:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 12px 32px rgba(243, 145, 31, 0.4);
}

/* Social Icons */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 3rem 0;
    background: #f8fafc;
}

.social-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.social-icon:hover::before {
    opacity: 1;
}

.linkedin { background: linear-gradient(135deg, #0077b5 0%, #005885 100%); color: white; }
.twitter { background: linear-gradient(135deg, #1da1f2 0%, #0d8bd9 100%); color: white; }
.facebook { background: linear-gradient(135deg, #1877f2 0%, #0d5ecc 100%); color: white; }
.whatsapp { background: linear-gradient(135deg, #25d366 0%, #1aaa55 100%); color: white; }
.email { background: linear-gradient(135deg, #666 0%, #444 100%); color: white; }

/* Responsive Design */

/* Large Desktop Screens (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1200px;
        padding: 0 40px;
    }
    
    .main-title {
        font-size: 4rem;
    }
    
    .subtitle {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .featured-image {
        max-width: 1100px;
    }
    
    .featured-image img {
        height: 500px;
    }
    
    .inline-image {
        max-width: 900px;
    }
    
    .inline-image img {
        height: 350px;
    }
    
    .double-images .image-pair {
        max-width: 1200px;
        gap: 3rem;
    }
}

/* Desktop Screens (1024px - 1399px) */
@media (min-width: 1024px) and (max-width: 1399px) {
    .container {
        max-width: 1000px;
        padding: 0 30px;
    }
    
    .main-title {
        font-size: 3.5rem;
    }
    
    .subtitle {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 2.3rem;
    }
    
    .featured-image img {
        height: 450px;
    }
    
    .inline-image img {
        height: 320px;
    }
    
    .double-images .image-pair {
        gap: 2.5rem;
    }
}

/* Tablet Landscape (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: 900px;
        padding: 0 25px;
    }
    
    .main-title {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-image img {
        height: 350px;
    }
    
    .inline-image img {
        height: 280px;
    }
    
    .double-images .image-pair {
        gap: 2rem;
    }
    
    .double-images .inline-image img {
        height: 220px;
    }
    
    .program-section {
        padding: 2rem;
    }
    
    .co-creation-grid,
    .speakers-grid {
        gap: 1.25rem;
    }
}

/* Tablet Portrait (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
    .container {
        padding: 0 20px;
    }
    
    .main-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .subtitle {
        font-size: 1.15rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .featured-image img {
        height: 280px;
    }
    
    .inline-image img {
        height: 220px;
    }
    
    .double-images .image-pair {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .double-images .inline-image img {
        height: 200px;
    }
    
    .program-section {
        padding: 1.5rem;
    }
    
    .schedule-block {
        padding: 1.5rem;
    }
    
    .co-creation-card {
        padding: 1.5rem;
    }
    
    .speaker-card {
        padding: 1.25rem;
    }
    
    .social-icons {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .social-icon {
        width: 40px;
        height: 40px;
    }
    
    .image-caption {
        opacity: 1;
        background: linear-gradient(transparent, rgba(0,0,0,0.9));
        padding: 1.5rem 1rem 1rem;
        font-size: 0.85rem;
    }
}

/* Mobile Phones (up to 479px) */
@media (max-width: 479px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 2rem 0 1rem;
    }
    
    .main-title {
        font-size: 2rem;
        line-height: 1.1;
        margin-bottom: 1rem;
    }
    
    .subtitle {
        font-size: 1rem;
        line-height: 1.4;
    }
    
    .author {
        font-size: 0.9rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .content-text {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .hero-image,
    .inline-image-section {
        padding: 2rem 0;
    }
    
    .featured-image {
        border-radius: 12px;
    }
    
    .featured-image img {
        height: 220px;
    }
    
    .inline-image {
        border-radius: 10px;
    }
    
    .inline-image img {
        height: 180px;
    }
    
    .double-images .image-pair {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .double-images .inline-image img {
        height: 160px;
    }
    
    .program-section {
        padding: 1.25rem;
        margin: 1.5rem 0;
    }
    
    .program-day {
        font-size: 1.3rem;
    }
    
    .schedule-block {
        padding: 1.25rem;
        margin-bottom: 1.25rem;
    }
    
    .schedule-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .schedule-description {
        font-size: 0.95rem;
        line-height: 1.5;
        margin-bottom: 1.25rem;
    }
    
    .co-creation-card {
        padding: 1.25rem;
    }
    
    .co-creation-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .co-creation-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .speaker-card {
        padding: 1rem;
    }
    
    .theme-title {
        font-size: 0.95rem;
        margin-bottom: 0.4rem;
    }
    
    .panelist-info {
        font-size: 0.9rem;
    }
    
    .cta-section {
        padding: 3rem 0;
    }
    
    .cta-text {
        font-size: 1rem;
        margin-bottom: 1.25rem;
    }
    
    .cta-link {
        font-size: 1.1rem;
    }
    
    .social-icons {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 1.5rem 0;
    }
    
    .social-icon {
        width: 38px;
        height: 38px;
    }
    
    .event-badge {
        top: 15px;
        right: 15px;
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .image-caption {
        opacity: 1;
        background: linear-gradient(transparent, rgba(0,0,0,0.9));
        padding: 1.25rem 0.75rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Ultra-wide screens (1600px+) */
@media (min-width: 1600px) {
    .container {
        max-width: 1400px;
    }
    
    .main-title {
        font-size: 4.5rem;
    }
    
    .featured-image {
        max-width: 1300px;
    }
    
    .featured-image img {
        height: 600px;
    }
    
    .inline-image {
        max-width: 1000px;
    }
    
    .inline-image img {
        height: 400px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .image-caption {
        opacity: 1;
        background: linear-gradient(transparent, rgba(0,0,0,0.8));
    }
    
    .inline-image:hover,
    .featured-image:hover {
        transform: none;
    }
    
    .social-icon:hover {
        transform: none;
    }
    
    .cta-link:hover {
        border-bottom-color: transparent;
    }
}