@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --color-primary: #ff6b35;
    --color-primary-dark: #e55a2b;
    --color-secondary: #1a1a1a;
    --color-accent: #00d4aa;
    --color-dark: #0d0d0d;
    --color-light: #ffffff;
    --color-gray: #f5f5f5;
    --color-text: #4a4a4a;
    --color-text-light: #888888;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-light);
    padding-top: 82px; /* Header height */
}

a {
    text-decoration: none;
    color: var(--color-primary);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

h1, h2, h3, h4 {
    color: var(--color-secondary);
    line-height: 1.2;
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.label-tag {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: #ff6b35;
    color: #ffffff;
    padding: 6px 14px;
    display: inline-block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Header */
.header {
    background: #1a1a1a;
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
}
.nav-links {
    display: none;
    gap: 32px;
}
.nav-links a {
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
    padding: 10px 0;
}
.nav-links a:hover, .nav-links a.active {
    color: #ff6b35;
}
.header-cta {
    display: none;
    background: #ff6b35;
    color: #ffffff;
    padding: 14px 28px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}
.header-cta:hover {
    background: #ffffff;
    color: #1a1a1a;
}

/* Mobile Nav */
.mobile-nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}
.mobile-nav-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-light);
    margin: 5px 0;
    transition: transform 0.3s, opacity 0.3s;
}
.mobile-nav-toggle[aria-expanded="true"] .icon-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-nav-toggle[aria-expanded="true"] .icon-bar:nth-child(2) { opacity: 0; }
.mobile-nav-toggle[aria-expanded="true"] .icon-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hero */
.hero {
    min-height: calc(100vh - 82px);
    background: #0d0d0d;
    position: relative;
    display: flex;
    align-items: center;
    padding: 80px 20px;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    clip-path: polygon(100% 0, 100% 0, 100% 100%, 80% 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}
.hero .label-tag { margin-bottom: 24px; }
.hero h1 { color: #ffffff; text-shadow: 2px 2px 10px rgba(0,0,0,0.3); margin-bottom: 24px; }
.hero h1 span { color: #ff6b35; }
.hero-date {
    font-size: 1.25rem;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.hero-date svg { width: 24px; height: 24px; stroke: #ff6b35; }
.hero-location { color: #ddd; font-size: 1.125rem; margin-bottom: 40px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
    background: #ff6b35;
    color: #ffffff;
    padding: 18px 40px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;    border: 2px solid transparent;
}
.btn-primary:hover { background: #ffffff; color: #1a1a1a; }
.btn-outline {
    background: transparent;
    border: 2px solid #ffffff;
    color: #ffffff;
    padding: 16px 40px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}
.btn-outline:hover { background: #ffffff; color: #1a1a1a; }

/* Countdown Timer */
.countdown { display: flex; gap: 20px; margin-top: 50px; }
.countdown-item { text-align: center; }
.countdown-item .number { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 900; color: #ff6b35; line-height: 1; }
.countdown-item .label { font-size: 12px; color: #888888; text-transform: uppercase; letter-spacing: 1px; }

/* Page Hero (for inner pages) */
.page-hero {
    padding: 80px 20px;
    background: var(--color-dark);
    text-align: center;
}
.page-hero h1 {
    color: var(--color-light);
}
.page-hero .page-subtitle {
    color: var(--color-text-light);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 20px auto 0;
}

/* Sections */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .label-tag { margin-bottom: 20px; }
.section-header h2 { color: #1a1a1a; }

/* Speakers Section */
.speakers-section { padding: 120px 20px; background: #ffffff; }
.speakers-grid { display: grid; grid-template-columns: 1fr; gap: 30px; max-width: 1200px; margin: 0 auto; }
.speaker-card { position: relative; overflow: hidden; group: speaker; }
.speaker-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; filter: grayscale(100%); transition: all 0.4s; }
.speaker-card:hover img { filter: grayscale(0%); transform: scale(1.05); }
.speaker-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px 20px 20px; background: linear-gradient(transparent, rgba(0,0,0,0.9)); }
.speaker-info h3 { color: #ffffff; font-size: 1.25rem; margin-bottom: 4px; }
.speaker-info p { color: #ff6b35; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }

/* Tracks Section */
.tracks-section { padding: 120px 20px; background: var(--color-gray); }
.tracks-grid { display: grid; grid-template-columns: 1fr; gap: 30px; max-width: 1200px; margin: 0 auto;}
.track-card { background: var(--color-light); padding: 40px; border-left: 4px solid var(--color-primary); transition: all 0.3s; }
.track-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.track-card h3 { margin-bottom: 15px; }

/* Tickets Section */
.tickets-section { padding: 120px 20px; background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%); }
.tickets-section .section-header h2 { color: #ffffff; }
.tickets-grid { display: grid; grid-template-columns: 1fr; gap: 30px; max-width: 1000px; margin: 0 auto; }
.ticket-card { background: #ffffff; padding: 40px 30px; text-align: center; position: relative; transition: all 0.3s ease; }
.ticket-card.featured { transform: scale(1.0); box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.ticket-card.featured::before { content: 'POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: #1a1a1a; color: #ffffff; padding: 6px 20px; font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.ticket-type { font-size: 14px; text-transform: uppercase; letter-spacing: 2px; color: #888888; margin-bottom: 16px; }
.ticket-price { font-family: var(--font-heading); font-size: 3rem; font-weight: 900; color: #1a1a1a; margin-bottom: 8px; }
.ticket-price span { font-size: 1rem; font-weight: 400; }
.ticket-desc { font-size: 14px; color: var(--color-text-light); min-height: 40px; margin-bottom: 20px; }
.ticket-features { list-style: none; padding: 0; margin: 30px 0; text-align: left; }
.ticket-features li { padding: 10px 0; border-bottom: 1px solid #f0f0f0; font-size: 14px; color: #4a4a4a; display: flex; align-items: center; gap: 10px; }
.ticket-features li svg { width: 18px; height: 18px; stroke: #ff6b35; flex-shrink: 0; }
.ticket-btn { display: block; width: 100%; background: #1a1a1a; color: #ffffff; padding: 16px; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; border: none; cursor: pointer; transition: all 0.3s; }
.ticket-btn:hover { background: #ff6b35; }

/* Sponsors Section */
.sponsors-section { padding: 120px 20px; background: #fff; }
.sponsors-grid { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 40px; max-width: 1000px; margin: 0 auto;}
.sponsors-grid img { max-height: 40px; filter: grayscale(100%); opacity: 0.6; transition: all 0.3s;}
.sponsors-grid img:hover { filter: grayscale(0%); opacity: 1; }

/* Agenda Section */
.agenda-section { padding: 120px 20px; background: #0d0d0d; }
.agenda-section .section-header h2 { color: #ffffff; }
.agenda-timeline { max-width: 900px; margin: 0 auto; }
.agenda-item { display: grid; grid-template-columns: 80px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.agenda-time { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: #ff6b35; }
.agenda-content h3 { color: #ffffff; margin-bottom: 8px; }
.agenda-content p { color: #888888; font-size: 15px; }
.agenda-speaker { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.agenda-speaker img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.agenda-speaker span { color: #ffffff; font-size: 14px; font-weight: 500;}
.agenda-tabs { display: flex; gap: 10px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 40px; }
.tab-link { background: none; border: none; color: #888; font-size: 1.2rem; font-weight: 600; padding: 15px 20px; cursor: pointer; transition: all 0.3s; border-bottom: 3px solid transparent; }
.tab-link.active, .tab-link:hover { color: #fff; border-bottom-color: var(--color-primary); }
.tab-content { display: none; }
.day-title { color: var(--color-light); margin-bottom: 30px; text-align: center; }

/* Footer */
.footer { background: #0d0d0d; padding: 80px 20px 40px; color: var(--color-text-light); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 40px; }
.footer-brand p { color: #888888; font-size: 14px; margin-top: 20px; }
.footer-links h4 { color: #ff6b35; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 24px; }
.footer-links a { display: block; color: #888888; font-size: 14px; margin-bottom: 12px; transition: color 0.3s; }
.footer-links a:hover { color: #ff6b35; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 60px; padding-top: 30px; }
.footer-bottom-inner { display: flex; flex-direction: column; align-items: center; gap: 20px; text-align:center; }
.copyright { font-size: 13px; color: #666666; }
.social-links { display: flex; gap: 20px; }
.social-links a { color: #888; transition: color 0.3s; }
.social-links a:hover { color: var(--color-primary); }
.social-links svg { width: 20px; height: 20px; }
.footer-disclaimer { font-size: 11px; color: #666666; margin-top: 20px; line-height: 1.6; text-align: center; max-width: 800px; margin-left: auto; margin-right: auto; }

/* About Page */
.content-section { padding: 80px 20px; }
.content-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.content-text p { margin-bottom: 20px; }
.content-image img { border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.stats-section { padding: 80px 20px; background: var(--color-dark); }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; color: var(--color-primary); }
.stat-label { font-size: 14px; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 1px; }
.team-section { padding: 120px 20px; background: var(--color-gray); }

/* Speakers Full page */
.speakers-section-full { padding: 120px 20px; }
.speaker-grid-full { display: grid; grid-template-columns: 1fr; gap: 40px; max-width: 1200px; margin: auto; }
.speaker-item-full { text-align: center; }
.speaker-item-full img { width: 100%; max-width: 300px; aspect-ratio: 1/1; object-fit: cover; border-radius: 50%; margin: 0 auto 20px; filter: grayscale(100%); transition: all 0.3s; }
.speaker-item-full:hover img { filter: grayscale(0%); }
.speaker-item-full h3 { margin-bottom: 5px; }
.speaker-item-full .speaker-title { color: var(--color-primary); font-weight: 600; margin-bottom: 15px; }
.speaker-item-full .speaker-bio { max-width: 400px; margin: auto; font-size: 15px; }

/* Contact Page */
.contact-section { padding: 120px 20px; }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 60px; max-width: 1100px; margin: auto; }
.contact-form-container h3, .contact-info-container h3 { margin-bottom: 30px; }
.contact-form { display: grid; grid-template-columns: 1fr; gap: 20px; }
.form-group { width: 100%; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 14px; }
.form-group input, .form-group textarea { width: 100%; padding: 14px; border: 1px solid #ddd; font-family: inherit; font-size: 15px; }
.form-group input:focus, .form-group textarea:focus { outline: 2px solid var(--color-primary); border-color: transparent; }
.checkbox-group { display: flex; align-items: center; gap: 10px; }
.checkbox-group input { width: auto; }
.checkbox-group label { margin-bottom: 0; font-weight: 400; }
.contact-info-item { margin-bottom: 30px; }
.contact-info-item h4 { color: var(--color-primary); margin-bottom: 10px; }
.contact-info-item p { line-height: 1.8; }
.map-placeholder img { width: 100%; height: 250px; object-fit: cover; filter: grayscale(1); }

/* Legal Pages */
.legal-content { padding: 80px 20px; }
.legal-content h3 { margin-top: 30px; margin-bottom: 15px; }
.legal-content p, .legal-content ul { margin-bottom: 20px; }
.legal-content ul { padding-left: 20px; } .legal-content ul li { margin-bottom: 10px; }

/* Cookie Banner */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: #1a1a1a; padding: 20px; z-index: 9999; display: none; transform: translateY(100%); transition: transform 0.5s ease; }
.cookie-banner.show { display: block; transform: translateY(0); }
.cookie-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cookie-text p { color: #ffffff; font-size: 14px; }
.cookie-text a { color: #ff6b35; text-decoration: underline; }
.cookie-accept { background: #ff6b35; color: #ffffff; border: none; padding: 12px 28px; font-weight: 700; text-transform: uppercase; font-size: 12px; letter-spacing: 1px; cursor: pointer; }

@media (min-width: 768px) {
    .header-inner { padding: 18px 40px; }
    .nav-links { display: flex; }
    .header-cta { display: block; }
    .mobile-nav-toggle { display: none; }
    .nav-links.active { position: static; height: auto; width: auto; background: none; flex-direction: row; } 
    
    .hero::before { clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%); }
    .countdown-item .number { font-size: 3rem; }
    .speakers-grid { grid-template-columns: repeat(2, 1fr); }
    .tracks-grid { grid-template-columns: repeat(2, 1fr); }
    .tickets-grid { grid-template-columns: 1fr; max-width: 400px; }
    .sponsors-grid img { max-height: 50px; }
    .footer-inner { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom-inner { flex-direction: row; justify-content: space-between; }
    .footer-disclaimer { text-align: left; }

    .content-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .speaker-grid-full { grid-template-columns: repeat(2, 1fr); }
    .contact-form { grid-template-columns: repeat(2, 1fr); }
    .form-group.full-width { grid-column: 1 / -1; }
    .contact-grid { grid-template-columns: 2fr 1fr; }
}

@media (min-width: 1024px) {
    body { font-size: 17px; }
    .nav-links.active {
        position: static; 
        display: flex;
        transform: none;
        height: auto;
        width: auto;
        background: none;
        flex-direction: row;
        padding: 0;
        gap: 32px;
    }
    .hero::before { width: 60%; }
    .speakers-grid { grid-template-columns: repeat(4, 1fr); }
    .tracks-grid { grid-template-columns: repeat(3, 1fr); }
    .tickets-grid { grid-template-columns: repeat(3, 1fr); max-width: 1000px; }
    .ticket-card.featured { transform: scale(1.05); }
    .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
    .speaker-grid-full { grid-template-columns: repeat(4, 1fr); }
}