/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: #0a0a0f; color: #e2e8f0; line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== TOKENS ===== */
:root {
  --gold: #f5a623;
  --gold-light: #ffd166;
  --blue: #1e3a5f;
  --blue-bright: #3b82f6;
  --dark: #0a0a0f;
  --dark-2: #111118;
  --dark-3: #1a1a2e;
  --surface: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text-muted: #94a3b8;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: all 0.3s ease; border: none; white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--gold), #e8850a); color: #000; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(245,166,35,0.4); }
.btn-ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.15); }
.btn-ghost:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--gold); border: 2px solid var(--gold); }
.btn-outline:hover { background: var(--gold); color: #000; transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar { background: linear-gradient(90deg, var(--gold), #e8850a); color: #000; text-align: center; padding: 10px 20px; font-size: 0.9rem; font-weight: 600; position: relative; z-index: 1000; }
.announcement-bar a { color: #000; text-decoration: underline; margin-left: 6px; }

/* ===== NAVBAR ===== */
.navbar { position: fixed; top: 36px; left: 0; right: 0; z-index: 999; padding: 0 24px; transition: top 0.3s ease; }
.navbar.scrolled { top: 0; }
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 32px; background: rgba(10,10,15,0.85); backdrop-filter: blur(20px); border: 1px solid var(--border); border-radius: 60px; padding: 14px 28px; }
.nav-logo { display: flex; align-items: center; }
.logo-img { height: 50px; width: auto; object-fit: contain; }
.footer-logo-img { height: 100px; width: auto; object-fit: contain; margin-bottom: 16px; }
.nav-links { display: flex; gap: 6px; list-style: none; flex: 1; justify-content: center; }
.nav-links a { padding: 8px 16px; border-radius: 50px; color: var(--text-muted); font-size: 0.9rem; font-weight: 500; transition: all 0.25s; }
.nav-links a:hover { color: #fff; background: var(--surface); }
.nav-cta { margin-left: auto; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 4px; transition: all 0.3s; }

/* ===== HERO ===== */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; background: linear-gradient(-45deg, #1a0d00, #0f1829, #1e3a5f, #0a0a0f); background-size: 400% 400%; animation: gradientShift 15s ease infinite; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: url('assets/images/hero_bg.png') center/cover no-repeat; opacity: 0.3; animation: zoomIn 20s ease-in-out infinite alternate; }
.hero-bg-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(245,166,35,0.12) 0%, transparent 70%), linear-gradient(135deg, rgba(10,10,15,0.6) 0%, rgba(15,24,41,0.6) 50%, rgba(26,13,0,0.6) 100%); animation: pulseOverlay 4s ease-in-out infinite; }
.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.particle { position: absolute; width: 3px; height: 3px; background: var(--gold); border-radius: 50%; opacity: 0; animation: float-particle 8s infinite ease-in-out; box-shadow: 0 0 10px rgba(245,166,35,0.6); }
@keyframes float-particle { 0%,100%{opacity:0;transform:translateY(0) translateX(0)} 20%{opacity:0.8} 50%{opacity:0.6;transform:translateY(-100px) translateX(30px)} 80%{opacity:0.2} }
@keyframes gradientShift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@keyframes zoomIn { 0%{transform:scale(1)} 100%{transform:scale(1.1)} }
@keyframes pulseOverlay { 0%,100%{opacity:0.5} 50%{opacity:0.8} }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 900px; padding: 120px 24px 80px; animation: slideUp 0.8s ease both; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(245,166,35,0.12); border: 1px solid rgba(245,166,35,0.3); color: var(--gold); padding: 8px 20px; border-radius: 50px; font-size: 0.88rem; font-weight: 600; margin-bottom: 28px; animation: fadeInDown 0.8s ease, pulse-glow 2s ease-in-out infinite; box-shadow: 0 0 20px rgba(245,166,35,0.2); }
.hero-title { font-family: 'Outfit', sans-serif; font-size: clamp(3rem, 8vw, 6rem); font-weight: 900; line-height: 1.05; color: #fff; margin-bottom: 24px; animation: slideInScale 0.8s ease 0.2s both; text-shadow: 0 0 30px rgba(245,166,35,0.3); }
.gradient-text { background: linear-gradient(135deg, var(--gold), var(--gold-light), #ff8c42); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: gradientFlow 3s ease infinite; }
@keyframes slideUp { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes slideInScale { from{opacity:0;transform:scale(0.95)} to{opacity:1;transform:scale(1)} }
@keyframes pulse-glow { 0%,100%{box-shadow:0 0 20px rgba(245,166,35,0.2)} 50%{box-shadow:0 0 40px rgba(245,166,35,0.5)} }
@keyframes gradientFlow { 0%{background-position:0%} 100%{background-position:100%} }
.hero-sub { font-size: 1.15rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; animation: fadeInUp 0.8s ease 0.3s both; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; animation: fadeInUp 0.8s ease 0.4s both; }
.hero-stats { display: flex; gap: 0; justify-content: center; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 40px; flex-wrap: wrap; gap: 0; animation: fadeInUp 0.8s ease 0.5s both; }
.stat { text-align: center; padding: 0 32px; }
.stat-num { display: block; font-family: 'Outfit', sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--gold); }
.stat-label { display: block; font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }
.hero-scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); }
.scroll-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; animation: bounce 1.5s ease-in-out infinite; }
@keyframes bounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(10px)} }

/* ===== MARQUEE ===== */
.marquee-section { background: linear-gradient(90deg, var(--gold), #e8850a); padding: 14px 0; overflow: hidden; }
.marquee-track { display: flex; gap: 32px; white-space: nowrap; animation: marquee 25s linear infinite; width: max-content; }
.marquee-track span { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 0.9rem; color: #000; text-transform: uppercase; letter-spacing: 0.05em; }
.marquee-track .dot { color: rgba(0,0,0,0.4); }
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ===== SECTION BASE ===== */
.section { padding: 100px 0; position: relative; z-index: 1; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); background: rgba(245,166,35,0.1); border: 1px solid rgba(245,166,35,0.25); padding: 6px 16px; border-radius: 50px; margin-bottom: 16px; }
.section-title { font-family: 'Outfit', sans-serif; font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 16px; }
.section-desc { font-size: 1.05rem; color: var(--text-muted); max-width: 560px; margin: 0 auto; }

/* ===== ABOUT ===== */
.about-section { background: linear-gradient(135deg, rgba(10,10,15,0.15) 0%, rgba(15,24,41,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; animation: flagDrift 30s linear infinite; background-position: center center; background-size: cover; }
.about-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite; pointer-events: none; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-image-wrap { position: relative; }
.about-img { width: 100%; border-radius: var(--radius); object-fit: cover; height: 520px; }
.about-badge { position: absolute; bottom: -20px; right: -20px; background: linear-gradient(135deg, var(--gold), #e8850a); color: #000; padding: 20px 24px; border-radius: var(--radius); text-align: center; }
.badge-num { display: block; font-size: 0.8rem; font-weight: 700; }
.badge-year { display: block; font-family: 'Outfit', sans-serif; font-size: 2rem; font-weight: 900; }
.about-content { padding-left: 20px; }
.about-content p { color: var(--text-muted); margin-bottom: 16px; }
.about-list { margin: 28px 0; display: flex; flex-direction: column; gap: 12px; }
.about-list li { display: flex; align-items: center; gap: 12px; color: #e2e8f0; }
.check { color: var(--gold); font-weight: 700; }

/* ===== PROGRAM ===== */
.program-section { background: linear-gradient(135deg, rgba(15,24,41,0.15) 0%, rgba(10,10,15,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; animation: flagDrift 30s linear infinite 0.5s; background-position: center center; background-size: cover; }
.program-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite 0.5s; pointer-events: none; }
.program-tabs { display: flex; gap: 12px; justify-content: center; margin-bottom: 48px; }
.tab-btn { padding: 12px 32px; border-radius: 50px; border: 2px solid var(--border); background: transparent; color: var(--text-muted); font-weight: 600; cursor: pointer; font-size: 0.95rem; transition: all 0.3s; font-family: 'Inter', sans-serif; }
.tab-btn.active, .tab-btn:hover { border-color: var(--gold); background: rgba(245,166,35,0.1); color: var(--gold); }
.day-panel { display: none; flex-direction: column; gap: 20px; }
.day-panel.active { display: flex; }
.schedule-item { display: flex; gap: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; transition: all 0.3s; }
.schedule-item { display: flex; gap: 32px; background: rgba(6,8,12,0.82); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius); padding: 24px 28px; transition: all 0.3s; color: #fff; backdrop-filter: blur(6px); }
.schedule-item:hover { border-color: rgba(245,166,35,0.35); transform: translateX(4px); }
.sched-time { font-family: 'Outfit', sans-serif; font-weight: 700; color: var(--gold); min-width: 90px; font-size: 0.95rem; padding-top: 2px; }
.sched-event h4 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.sched-event p { color: var(--text-muted); font-size: 0.92rem; }

/* ===== SPEAKERS ===== */
.speakers-section { background: linear-gradient(135deg, rgba(10,10,15,0.15) 0%, rgba(15,24,41,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; animation: flagDrift 30s linear infinite; background-position: center center; background-size: cover; }
.speakers-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite; pointer-events: none; }
.speakers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.speaker-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all 0.3s; position: relative; }
.speaker-card:hover { transform: translateY(-8px); border-color: rgba(245,166,35,0.3); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.speaker-card.featured { border-color: rgba(245,166,35,0.4); }
.speaker-featured-badge { background: var(--gold); color: #000; font-size: 0.78rem; font-weight: 700; padding: 6px 14px; text-align: center; }
.speaker-img-wrap { position: relative; overflow: hidden; height: 320px; }
.speaker-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.speaker-card:hover .speaker-img-wrap img { transform: scale(1.05); }
.speaker-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; }
.speaker-card:hover .speaker-overlay { opacity: 1; }
.speaker-info { padding: 20px; }
.speaker-info h3 { font-family: 'Outfit', sans-serif; font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.speaker-info p { font-size: 0.88rem; color: var(--gold); }

/* ===== SPONSORS ===== */
.sponsors-section { background: linear-gradient(135deg, rgba(15,24,41,0.15) 0%, rgba(10,10,15,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; text-align: center; animation: flagDrift 30s linear infinite 0.7s; background-position: center center; background-size: cover; }
.sponsors-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite 0.5s; pointer-events: none; }
.sponsors-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.sponsor-card { background: rgba(8,10,15,0.78); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; transition: all 0.3s; color: #e2e8f0; font-family: 'Outfit', sans-serif; font-weight: 700; backdrop-filter: blur(4px); }
.sponsor-card:hover { border-color: rgba(245,166,35,0.3); transform: translateY(-4px); color: var(--gold); background: rgba(245,166,35,0.06); box-shadow: 0 12px 40px rgba(0,0,0,0.35); }
.tier-gold { width: 300px; height: 160px; font-size: 1.4rem; border-color: rgba(245,166,35,0.2); }
.tier-silver { width: 220px; height: 120px; font-size: 1.1rem; }
.sponsor-cta { margin-top: 56px; }
.sponsor-cta p { color: var(--text-muted); margin-bottom: 16px; font-size: 1.05rem; }

/* ===== TICKETS ===== */
.tickets-section { background: linear-gradient(135deg, rgba(10,10,15,0.15) 0%, rgba(15,24,41,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; animation: flagDrift 30s linear infinite; background-position: center center; background-size: cover; }
.tickets-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite; pointer-events: none; }
.tickets-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.ticket-card { border-radius: var(--radius); padding: 36px 28px; position: relative; transition: all 0.3s; background: rgba(8,10,15,0.82); border: 1px solid rgba(255,255,255,0.06); color: #ffffff; backdrop-filter: blur(6px); }
.ticket-card:hover { transform: translateY(-6px); }
.ticket-card.featured-ticket { border-color: rgba(245,166,35,0.5); background: linear-gradient(135deg, rgba(245,166,35,0.06), rgba(245,166,35,0.03)); color: #fff; transform: scale(1.03); }
.ticket-card.featured-ticket:hover { transform: scale(1.03) translateY(-6px); }
.ticket-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--gold), #e8850a); color: #000; font-size: 0.78rem; font-weight: 700; padding: 6px 18px; border-radius: 50px; white-space: nowrap; }
.ticket-tier { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.ticket-price { margin-bottom: 12px; }
.ticket-price span { font-family: 'Outfit', sans-serif; font-size: 2.4rem; font-weight: 900; color: #fff; }
.ticket-price small { color: var(--text-muted); font-size: 1rem; }
.ticket-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.ticket-features { margin-bottom: 32px; display: flex; flex-direction: column; gap: 10px; }
.ticket-features li { font-size: 0.9rem; color: #e2e8f0; }

/* ===== REGISTER FORM ===== */
.register-section { background: linear-gradient(135deg, rgba(15,24,41,0.15) 0%, rgba(10,10,15,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; animation: flagDrift 30s linear infinite 0.8s; background-position: center center; background-size: cover; }
.register-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite 0.5s; pointer-events: none; }
.register-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.register-left { position: relative; padding: 32px; border-radius: 12px; }
.register-left::before { content: ''; position: absolute; inset: 0; background: rgba(6,8,12,0.78); border-radius: 12px; z-index: -1; backdrop-filter: blur(6px); }
.register-left p { color: #dfeaf6; margin-bottom: 32px; position: relative; z-index: 2; }
.register-left .info-item { position: relative; z-index: 2; }
.register-info { display: flex; flex-direction: column; gap: 16px; }
.info-item { display: flex; align-items: flex-start; gap: 14px; }
.info-icon { font-size: 1.3rem; }
.info-item strong { display: block; color: #fff; font-size: 0.9rem; }
.info-item span { font-size: 0.88rem; color: var(--text-muted); }
.register-form { background: rgba(8,10,15,0.86); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius); padding: 40px; display: flex; flex-direction: column; gap: 20px; color: #fff; backdrop-filter: blur(6px); }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: #e2e8f0; }
.form-group input, .form-group select { background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 16px; color: #fff; font-size: 0.95rem; font-family: 'Inter', sans-serif; transition: border-color 0.25s; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--gold); }
.form-group input::placeholder { color: var(--text-muted); }
.form-group select option { background: #1a1a2e; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 0.8rem; color: var(--text-muted); text-align: center; }

/* ===== FAQ ===== */
.faq-section { background: linear-gradient(135deg, rgba(10,10,15,0.15) 0%, rgba(15,24,41,0.15) 50%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; position: relative; animation: flagDrift 30s linear infinite; background-position: center center; background-size: cover; }
.faq-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite; pointer-events: none; }
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: rgba(6,8,12,0.82); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-sm); overflow: hidden; color: #fff; backdrop-filter: blur(6px); }
.register-section .section-title { text-shadow: 0 6px 24px rgba(0,0,0,0.65); }
.faq-item.open { border-color: rgba(245,166,35,0.35); }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; background: none; border: none; color: #fff; font-size: 0.98rem; font-weight: 600; cursor: pointer; font-family: 'Inter', sans-serif; text-align: left; gap: 16px; }
.faq-icon { font-size: 1.4rem; color: var(--gold); flex-shrink: 0; transition: transform 0.3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 20px; }
.faq-answer p { color: var(--text-muted); }

/* ===== NEWSLETTER ===== */
.newsletter-section { background: linear-gradient(135deg, rgba(15,24,41,0.15) 0%, rgba(26,13,0,0.15) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; padding: 80px 0; border-top: 1px solid var(--border); position: relative; animation: flagDrift 30s linear infinite 0.6s; background-position: center center; background-size: cover; }
.newsletter-section::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite 0.5s; pointer-events: none; }
.newsletter-box { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.newsletter-text h3 { font-family: 'Outfit', sans-serif; font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.newsletter-text p { color: var(--text-muted); }
.newsletter-form { display: flex; gap: 12px; flex: 1; max-width: 480px; }
.newsletter-form input { flex: 1; background: rgba(255,255,255,0.06); border: 1px solid var(--border); border-radius: 50px; padding: 14px 22px; color: #fff; font-size: 0.95rem; font-family: 'Inter', sans-serif; }
.newsletter-form input:focus { outline: none; border-color: var(--gold); }
.newsletter-form input::placeholder { color: var(--text-muted); }

/* ===== FOOTER ===== */
.footer { background: linear-gradient(135deg, rgba(6,6,8,0.25) 0%, rgba(10,10,15,0.25) 100%), url('assets/images/flag_bg.png') center/cover no-repeat fixed; border-top: 1px solid var(--border); padding: 80px 0 32px; position: relative; animation: flagDrift 30s linear infinite; background-position: center center; background-size: cover; }
.footer::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.03); animation: flagPulseOverlay 6s ease-in-out infinite; pointer-events: none; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 60px; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin: 16px 0 24px; line-height: 1.6; }
.social-links { display: flex; gap: 12px; }
.social-link { width: 40px; height: 40px; background: var(--surface); border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: all 0.3s; }
.social-link:hover { border-color: var(--gold); color: var(--gold); }
.footer-links h4, .footer-contact h4 { color: #fff; font-size: 0.9rem; font-weight: 700; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.25s; }
.footer-links a:hover { color: var(--gold); }
.footer-contact p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== TOAST ===== */
.toast { position: fixed; bottom: 32px; right: 32px; background: #1a2744; border: 1px solid var(--gold); border-radius: var(--radius-sm); padding: 16px 24px; display: flex; align-items: center; gap: 12px; color: #fff; font-weight: 600; z-index: 9999; transform: translateY(100px); opacity: 0; transition: all 0.4s ease; pointer-events: none; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 1.3rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInDown { from{opacity:0;transform:translateY(-20px)} to{opacity:1;transform:translateY(0)} }
@keyframes burst { 0%{opacity:1;transform:translate(0,0) scale(1)} 100%{opacity:0;transform:translate(var(--tx, 50px),var(--ty, -50px)) scale(0)} }
@keyframes flagBreathe { 0%,100%{opacity:1} 50%{opacity:1} }
@keyframes flagDrift { 0%{background-position:center 48%} 50%{background-position:center 52%} 100%{background-position:center 48%} }
@keyframes flagPulseOverlay { 0%{background-color:rgba(255,255,255,0.03)} 50%{background-color:rgba(255,255,255,0.08)} 100%{background-color:rgba(255,255,255,0.03)} }
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img { height: 360px; }
  .about-badge { right: 0; bottom: -10px; }
  .about-content { padding-left: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .register-wrap { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--dark); align-items: center; justify-content: center; gap: 24px; z-index: 9998; }
  .nav-links.open a { font-size: 1.3rem; }
  .speakers-grid, .tickets-grid { grid-template-columns: 1fr; }
  .ticket-card.featured-ticket { transform: none; }
  .sponsors-grid .sponsor-card { width: 100%; max-width: 320px; }
  .footer-top { grid-template-columns: 1fr; }
  .newsletter-box { flex-direction: column; text-align: center; }
  .newsletter-form { max-width: 100%; width: 100%; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 60px; height: 1px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .schedule-item { flex-direction: column; gap: 8px; }
  .program-tabs { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  /* General layout adjustments */
  .nav-container { padding: 8px 16px; border-radius: 12px; }
  .logo-img { height: 42px; }
  .hero-content { padding: 80px 16px 60px; }
  .hero-title { font-size: clamp(2rem, 9vw, 3.2rem); }
  .hero-sub { font-size: 0.95rem; }
  .hero-tag { font-size: 0.82rem; padding: 6px 14px; }
  .hero::before { opacity: 0.25; }

  /* Collapse grids to single column for small screens */
  .about-grid, .speakers-grid, .tickets-grid, .sponsors-grid, .newsletter-box { grid-template-columns: 1fr; display: block; }
  .tickets-grid, .speakers-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
  .sponsors-grid { display: flex; flex-direction: column; gap: 18px; }

  /* Make cards full width and easier to read */
  .ticket-card, .speaker-card, .sponsor-card, .schedule-item, .faq-item, .register-form { width: 100%; margin: 0 auto; }
  .ticket-card { padding: 20px; }

  /* Stack register layout */
  .register-wrap { grid-template-columns: 1fr; gap: 28px; }

  /* Ensure inputs and buttons are full width / touch friendly */
  .newsletter-form, .newsletter-form input, .btn { width: 100%; }
  .btn { padding: 14px 20px; font-size: 1rem; }

  /* Reduce heavy background effects for performance and readability */
  .about-section, .program-section, .speakers-section, .sponsors-section, .tickets-section, .register-section, .faq-section, .newsletter-section, .footer { background-attachment: scroll !important; background-position: center top !important; }

  /* Footer adjustments */
  .footer-top { grid-template-columns: 1fr; }
  .footer-logo-img { height: 60px; margin-bottom: 8px; }

  /* Small tweaks */
  .hero-stats { display: none; }
  .hero-actions { flex-direction: column; gap: 12px; }
  /* Hide particles and reduce heavy effects on very small screens */
  .hero-particles, .particle { display: none !important; }
  .hero::before { animation: none !important; }
}

/* Respect reduced motion preference for accessibility */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .hero::before, .hero-bg-overlay, .hero-particles { animation: none !important; }
}