/* =============================================================
   SUMMIT/25 — MAIN STYLESHEET
   Original stylesheet. Organized by section. No frameworks used.
   ============================================================= */

/* -------------------------------------------------------------
   1. CSS VARIABLES / DESIGN TOKENS
------------------------------------------------------------- */
:root{
  --clr-primary:      #ff6b35;
  --clr-primary-dark: #e6551f;
  --clr-primary-light:#ffe4d6;
  --clr-dark:          #222222;
  --clr-dark-soft:      #3a3a3a;
  --clr-gray:          #6b6f76;
  --clr-light-gray:    #f8f9fa;
  --clr-border:        #ececec;
  --clr-white:         #ffffff;

  --font-base: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 100px;

  --shadow-sm: 0 4px 16px rgba(34,34,34,0.06);
  --shadow-md: 0 12px 32px rgba(34,34,34,0.10);
  --shadow-lg: 0 24px 60px rgba(34,34,34,0.16);

  --container-w: 1200px;
  --transition: all 0.35s cubic-bezier(.22,.61,.36,1);
}

/* -------------------------------------------------------------
   2. RESET / BASE
------------------------------------------------------------- */
*, *::before, *::after{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  font-family: var(--font-base);
  color: var(--clr-dark);
  background: var(--clr-white);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
img{ max-width: 100%; display:block; }
a{ text-decoration: none; color: inherit; }
ul{ list-style: none; }
button{ font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea{ font-family: inherit; font-size: 1rem; }
h1,h2,h3,h4,h5{ font-weight: 700; line-height: 1.25; color: var(--clr-dark); }
:focus-visible{ outline: 2px solid var(--clr-primary); outline-offset: 3px; }

.container{
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* -------------------------------------------------------------
   3. UTILITIES
------------------------------------------------------------- */
.text-center{ text-align: center; }
.w-100{ width: 100%; }

.section-eyebrow{
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 12px;
  position: relative;
  padding-left: 28px;
}
.section-eyebrow::before{
  content:"";
  position:absolute;
  left:0; top:50%;
  transform: translateY(-50%);
  width: 18px; height: 2px;
  background: var(--clr-primary);
}
.section-title{
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.section-text{ color: var(--clr-gray); font-size: 1.02rem; margin: 18px 0 24px; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head.text-center{ margin-left:auto; margin-right:auto; }

section{ padding: 110px 0; position: relative; }

/* -------------------------------------------------------------
   4. BUTTONS
------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-pill{ border-radius: var(--radius-pill); }
.btn-lg{ padding: 17px 36px; font-size: 1rem; }

.btn-primary{
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 10px 24px rgba(255,107,53,0.35);
}
.btn-primary:hover{
  background: var(--clr-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(255,107,53,0.45);
}

.btn-dark{ background: var(--clr-dark); color: var(--clr-white); }
.btn-dark:hover{ background: #000; transform: translateY(-3px); }

.btn-outline-light{ border-color: rgba(255,255,255,0.6); color: var(--clr-white); }
.btn-outline-light:hover{ background: rgba(255,255,255,0.12); border-color:#fff; transform: translateY(-3px); }

.btn-outline-dark{ border-color: var(--clr-dark); color: var(--clr-dark); }
.btn-outline-dark:hover{ background: var(--clr-dark); color: var(--clr-white); transform: translateY(-3px); }

/* -------------------------------------------------------------
   5. PRELOADER
------------------------------------------------------------- */
#preloader{
  position: fixed; inset:0; z-index: 9999;
  background: var(--clr-dark);
  display:flex; align-items:center; justify-content:center;
  transition: opacity .6s ease, visibility .6s ease;
}
#preloader.loaded{ opacity:0; visibility: hidden; }
.preloader-mark{
  font-size: 2rem; font-weight: 700; color: var(--clr-white);
  letter-spacing: 1px;
}
.preloader-mark span{ color: var(--clr-primary); }

/* -------------------------------------------------------------
   6. NAVIGATION
------------------------------------------------------------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 1000;
  padding: 22px 0;
  background: transparent;
  transition: var(--transition);
}
.site-header.scrolled{
  background: var(--clr-white);
  padding: 14px 0;
  box-shadow: var(--shadow-sm);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; }

.brand{ display:flex; align-items:center; gap:8px; font-size: 1.4rem; font-weight:700; color: var(--clr-white); transition: var(--transition); }
.site-header.scrolled .brand{ color: var(--clr-dark); }
.brand-mark{
  display:inline-flex; align-items:center; justify-content:center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--clr-primary); color:#fff; font-size:1.1rem;
}
.brand-slash{ color: var(--clr-primary); }

.main-nav ul{ display:flex; align-items:center; gap: 36px; }
.main-nav a{
  font-size: 0.95rem; font-weight: 500; color: var(--clr-white);
  display:flex; align-items:center; gap:4px;
  transition: var(--transition); position:relative; padding: 6px 0;
}
.site-header.scrolled .main-nav a{ color: var(--clr-dark-soft); }
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0;
  background: var(--clr-primary); transition: var(--transition);
}
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.main-nav a:hover{ color: var(--clr-primary); }
.site-header.scrolled .main-nav a:hover{ color: var(--clr-primary); }

.has-dropdown{ position: relative; }
.dropdown{
  position:absolute; top: 130%; left:0; min-width: 190px;
  background: var(--clr-white); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); padding: 10px;
  opacity:0; visibility:hidden; transform: translateY(10px);
  transition: var(--transition);
}
.has-dropdown:hover .dropdown{ opacity:1; visibility:visible; transform: translateY(0); }
.dropdown li a{ color: var(--clr-dark-soft) !important; padding: 10px 12px; border-radius: 6px; display:block; }
.dropdown li a:hover{ background: var(--clr-light-gray); color: var(--clr-primary) !important; }
.dropdown li a::after{ display:none; }

.header-actions{ display:flex; align-items:center; gap:20px; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; width:26px; }
.nav-toggle span{ height:2px; background: var(--clr-white); border-radius:2px; transition: var(--transition); }
.site-header.scrolled .nav-toggle span{ background: var(--clr-dark); }

/* Offcanvas */
.offcanvas-menu{
  position: fixed; top:0; right:-100%; width: min(360px, 86vw); height:100vh;
  background: var(--clr-white); z-index: 1200; padding: 28px 26px;
  transition: right .45s cubic-bezier(.22,.61,.36,1);
  display:flex; flex-direction:column; box-shadow: var(--shadow-lg);
}
.offcanvas-menu.open{ right:0; }
.offcanvas-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom: 30px; }
.offcanvas-head button{ font-size:1.2rem; color: var(--clr-dark); }
.offcanvas-links{ display:flex; flex-direction:column; gap:6px; margin-bottom: 30px; flex:1; }
.offcanvas-links a{ display:block; padding: 12px 6px; font-weight:500; border-bottom: 1px solid var(--clr-border); color: var(--clr-dark-soft); }
.offcanvas-links a:hover{ color: var(--clr-primary); }
.offcanvas-backdrop{
  position: fixed; inset:0; background: rgba(0,0,0,0.5); z-index: 1100;
  opacity:0; visibility:hidden; transition: var(--transition);
}
.offcanvas-backdrop.open{ opacity:1; visibility:visible; }

/* -------------------------------------------------------------
   7. HERO
------------------------------------------------------------- */
.hero{
  position: relative; min-height: 100vh; display:flex; align-items:center;
  overflow: hidden;
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit: cover; }
.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,18,17,0.75) 0%, rgba(20,18,17,0.55) 45%, rgba(20,18,17,0.88) 100%);
}
.hero-content{ position: relative; z-index:1; color: var(--clr-white); padding-top: 90px; }
.hero-eyebrow{
  display:inline-block; font-size: 0.9rem; font-weight:600; letter-spacing:2px;
  text-transform:uppercase; color: var(--clr-primary-light);
  border: 1px solid rgba(255,255,255,0.35); padding: 8px 18px; border-radius: var(--radius-pill);
  margin-bottom: 26px; background: rgba(255,255,255,0.06);
}
.hero-title{
  font-size: clamp(2.4rem, 6vw, 4.6rem); font-weight:700; color:#fff;
  max-width: 900px; letter-spacing:-1px; margin-bottom: 22px;
}
.hero-title span{ color: var(--clr-primary); }
.hero-subtitle{
  font-size: 1.15rem; color: rgba(255,255,255,0.85); max-width: 620px; margin-bottom: 44px;
}

.hero-countdown{ display:flex; gap: 16px; margin-bottom: 44px; flex-wrap: wrap; }
.cd-block{
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-md); padding: 16px 22px; min-width: 90px; text-align:center;
}
.cd-number{ display:block; font-size: 2rem; font-weight:700; color:#fff; line-height:1; }
.cd-label{ display:block; font-size: 0.75rem; letter-spacing:1px; text-transform:uppercase; color: rgba(255,255,255,0.65); margin-top:6px; }

.hero-actions{ display:flex; gap: 18px; flex-wrap: wrap; }

.scroll-indicator{
  position:absolute; bottom: 34px; left:50%; transform: translateX(-50%);
  width: 28px; height: 46px; border: 2px solid rgba(255,255,255,0.6); border-radius: 20px;
  z-index:1;
}
.scroll-indicator span{
  position:absolute; top:8px; left:50%; transform: translateX(-50%);
  width:5px; height:5px; border-radius:50%; background:#fff;
  animation: scrollDot 1.6s infinite;
}
@keyframes scrollDot{
  0%{ opacity:1; top:8px; }
  70%{ opacity:0; top:26px; }
  100%{ opacity:0; top:8px; }
}

/* -------------------------------------------------------------
   8. STATISTICS
------------------------------------------------------------- */
.stats-section{ padding: 0; transform: translateY(-70px); position:relative; z-index:2; }
.stats-grid{
  background: var(--clr-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display:grid; grid-template-columns: repeat(4,1fr);
}
.stat-card{
  padding: 40px 20px; text-align:center; border-right: 1px solid var(--clr-border);
  transition: var(--transition);
}
.stat-card:last-child{ border-right:none; }
.stat-card:hover{ background: var(--clr-light-gray); }
.stat-icon{
  width:56px; height:56px; border-radius:50%; background: var(--clr-primary-light);
  color: var(--clr-primary); display:flex; align-items:center; justify-content:center;
  font-size:1.4rem; margin: 0 auto 16px;
}
.stat-number{ font-size: 2.4rem; font-weight:700; color: var(--clr-dark); }
.stat-label{ color: var(--clr-gray); font-size:0.95rem; margin-top:4px; }

/* -------------------------------------------------------------
   9. ABOUT
------------------------------------------------------------- */
.about-section{ padding-top: 40px; }
.about-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items:center; }
.about-media{ position: relative; }
.about-media img{ border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.about-badge{
  position:absolute; bottom: -26px; right: -26px; background: var(--clr-primary);
  color:#fff; padding: 20px 26px; border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  display:flex; flex-direction:column; line-height:1.3;
}
.about-badge strong{ font-size: 1.05rem; }
.about-badge span{ font-size: 0.85rem; opacity:0.9; }

.about-points{ display:flex; flex-direction:column; gap:14px; margin-bottom: 34px; }
.about-points li{ display:flex; align-items:center; gap:10px; color: var(--clr-dark-soft); font-weight:500; }
.about-points i{ color: var(--clr-primary); font-size:1.1rem; }

/* -------------------------------------------------------------
   10. WHY ATTEND
------------------------------------------------------------- */
.why-section{ background: var(--clr-light-gray); }
.why-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 26px; }
.why-card{
  background:#fff; padding: 36px 26px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); transition: var(--transition); text-align:left;
}
.why-card:hover{ transform: translateY(-8px); box-shadow: var(--shadow-md); }
.why-icon{
  width:54px; height:54px; border-radius: var(--radius-sm); background: var(--clr-dark);
  color: var(--clr-primary); display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; margin-bottom:20px; transition: var(--transition);
}
.why-card:hover .why-icon{ background: var(--clr-primary); color:#fff; }
.why-card h3{ font-size:1.1rem; margin-bottom:10px; }
.why-card p{ color: var(--clr-gray); font-size:0.94rem; }

/* -------------------------------------------------------------
   11. SPEAKERS
------------------------------------------------------------- */
.speakers-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.speaker-card{
  border-radius: var(--radius-md); overflow:hidden; box-shadow: var(--shadow-sm);
  transition: var(--transition); background:#fff;
}
.speaker-card:hover{ box-shadow: var(--shadow-md); transform: translateY(-6px); }
.speaker-photo{ position:relative; overflow:hidden; aspect-ratio: 4/4.4; }
.speaker-photo img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.speaker-card:hover .speaker-photo img{ transform: scale(1.08); }
.speaker-social{
  position:absolute; inset:auto 0 0 0; padding: 20px 0;
  display:flex; justify-content:center; gap:12px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.75));
  transform: translateY(120%); transition: var(--transition);
}
.speaker-card:hover .speaker-social{ transform: translateY(0); }
.speaker-social a{
  width:38px; height:38px; border-radius:50%; background:#fff; color: var(--clr-dark);
  display:flex; align-items:center; justify-content:center; transition: var(--transition);
}
.speaker-social a:hover{ background: var(--clr-primary); color:#fff; }
.speaker-info{ padding: 20px; text-align:center; }
.speaker-info h3{ font-size:1.1rem; }
.speaker-info p{ color: var(--clr-primary); font-size:0.9rem; margin-top:4px; }

/* -------------------------------------------------------------
   12. SCHEDULE
------------------------------------------------------------- */
.schedule-section{ background: var(--clr-light-gray); }
.schedule-tabs{
  display:flex; justify-content:center; gap:10px; margin-bottom: 50px; flex-wrap:wrap;
}
.tab-btn{
  padding: 12px 26px; border-radius: var(--radius-pill); font-weight:600; font-size:0.92rem;
  background:#fff; color: var(--clr-dark-soft); box-shadow: var(--shadow-sm); transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover{ background: var(--clr-primary); color:#fff; }

.tab-panel{ display:none; }
.tab-panel.active{ display:block; }

.timeline{ position:relative; max-width: 780px; margin: 0 auto; }
.timeline::before{
  content:""; position:absolute; left: 84px; top:0; bottom:0; width:2px; background: var(--clr-border);
}
.timeline-item{ display:flex; align-items:flex-start; gap: 24px; position:relative; margin-bottom: 30px; }
.timeline-time{ width:60px; flex-shrink:0; font-weight:700; color: var(--clr-dark); padding-top: 22px; text-align:right; }
.timeline-dot{
  width:14px; height:14px; border-radius:50%; background: var(--clr-primary);
  border: 3px solid #fff; box-shadow: 0 0 0 2px var(--clr-primary); margin-top: 26px; flex-shrink:0;
}
.timeline-card{
  background:#fff; border-radius: var(--radius-md); padding: 20px 24px; flex:1;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.timeline-card:hover{ box-shadow: var(--shadow-md); transform: translateX(4px); }
.timeline-type{
  display:inline-block; font-size:0.72rem; font-weight:700; letter-spacing:1px; text-transform:uppercase;
  color: var(--clr-primary); background: var(--clr-primary-light); padding: 4px 12px; border-radius: var(--radius-pill);
  margin-bottom:10px;
}
.timeline-card h4{ font-size:1.05rem; margin-bottom: 6px; }
.timeline-card p{ color: var(--clr-gray); font-size:0.88rem; display:flex; align-items:center; gap:6px; }

/* -------------------------------------------------------------
   13. PRICING
------------------------------------------------------------- */
.pricing-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 30px; align-items:stretch; }
.pricing-card{
  background:#fff; border: 1px solid var(--clr-border); border-radius: var(--radius-lg);
  padding: 44px 34px; text-align:center; transition: var(--transition); position:relative;
  display:flex; flex-direction:column;
}
.pricing-card:hover{ box-shadow: var(--shadow-md); transform: translateY(-8px); }
.pricing-card.featured{
  background: var(--clr-dark); color:#fff; border-color: var(--clr-dark);
  box-shadow: var(--shadow-lg); transform: scale(1.04);
}
.pricing-card.featured:hover{ transform: scale(1.04) translateY(-8px); }
.pricing-card.featured h3, .pricing-card.featured .amount, .pricing-card.featured .currency{ color:#fff; }
.pricing-card.featured .pricing-features li{ color: rgba(255,255,255,0.85); }
.pricing-badge{
  position:absolute; top:-14px; left:50%; transform: translateX(-50%);
  background: var(--clr-primary); color:#fff; padding: 6px 20px; border-radius: var(--radius-pill);
  font-size:0.75rem; font-weight:700; letter-spacing:1px; text-transform:uppercase;
}
.pricing-card h3{ font-size:1.2rem; margin-bottom: 18px; }
.pricing-amount{ margin-bottom: 30px; }
.currency{ font-size:1.4rem; font-weight:600; vertical-align: top; position: relative; top: 8px; }
.amount{ font-size: 3.2rem; font-weight:700; }
.period{ color: var(--clr-gray); font-size:0.9rem; }
.pricing-card.featured .period{ color: rgba(255,255,255,0.6); }
.pricing-features{ text-align:left; margin-bottom: 34px; flex:1; display:flex; flex-direction:column; gap: 14px; }
.pricing-features li{ display:flex; align-items:center; gap:10px; font-size:0.92rem; color: var(--clr-dark-soft); }
.pricing-features i{ color: var(--clr-primary); }

/* -------------------------------------------------------------
   14. SPONSORS
------------------------------------------------------------- */
.sponsors-grid{
  display:grid; grid-template-columns: repeat(6, 1fr); gap: 24px;
}
.sponsor-logo{
  background:#fff; border: 1px solid var(--clr-border); border-radius: var(--radius-sm);
  padding: 26px 14px; text-align:center; font-weight:700; letter-spacing:0.5px;
  color: var(--clr-gray); filter: grayscale(100%); opacity: 0.75;
  transition: var(--transition);
}
.sponsor-logo:hover{ filter: grayscale(0%); opacity:1; color: var(--clr-primary); transform: translateY(-4px); box-shadow: var(--shadow-sm); }

/* -------------------------------------------------------------
   15. GALLERY (Masonry)
------------------------------------------------------------- */
.gallery-grid{
  columns: 4 220px; column-gap: 20px;
}
.gallery-item{
  display:block; position:relative; margin-bottom: 20px; border-radius: var(--radius-md);
  overflow:hidden; break-inside: avoid; box-shadow: var(--shadow-sm);
}
.gallery-item img{ width:100%; transition: transform .5s ease; }
.gallery-item:hover img{ transform: scale(1.08); }
.gallery-overlay{
  position:absolute; inset:0; background: rgba(20,18,17,0.55);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  color:#fff; opacity:0; transition: var(--transition); font-weight:600;
}
.gallery-overlay i{ font-size:1.6rem; }
.gallery-item:hover .gallery-overlay{ opacity:1; }

.lightbox{
  position: fixed; inset:0; background: rgba(10,10,10,0.94); z-index: 2000;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition: var(--transition);
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox img{ max-width: 86vw; max-height: 84vh; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); }
.lightbox-close{ position:absolute; top: 26px; right: 30px; color:#fff; font-size:1.4rem; }
.lightbox-nav{
  position:absolute; top:50%; transform: translateY(-50%); color:#fff; font-size:1.8rem;
  width:52px; height:52px; border-radius:50%; background: rgba(255,255,255,0.08);
  display:flex; align-items:center; justify-content:center; transition: var(--transition);
}
.lightbox-nav:hover{ background: var(--clr-primary); }
.lightbox-prev{ left: 24px; }
.lightbox-next{ right: 24px; }

/* -------------------------------------------------------------
   16. TESTIMONIALS
------------------------------------------------------------- */
.testimonials-section{ background: var(--clr-dark); }
.testimonials-section .section-eyebrow{ color: var(--clr-primary); }
.testimonials-section .section-title{ color:#fff; }
.testimonials-track{
  display:flex; gap: 26px; overflow-x:auto; scroll-snap-type: x mandatory; padding-bottom: 10px;
  scrollbar-width:none;
}
.testimonials-track::-webkit-scrollbar{ display:none; }
.testimonial-card{
  background:#fff; border-radius: var(--radius-md); padding: 38px 32px; min-width: min(420px, 84vw);
  scroll-snap-align:start; box-shadow: var(--shadow-md);
}
.quote-icon{ font-size:1.8rem; color: var(--clr-primary); margin-bottom: 14px; }
.testimonial-quote{ color: var(--clr-dark-soft); font-size:1.02rem; margin-bottom: 26px; min-height: 96px; }
.testimonial-author{ display:flex; align-items:center; gap: 14px; }
.testimonial-author img{ width:50px; height:50px; border-radius:50%; object-fit:cover; }
.testimonial-author strong{ display:block; font-size:0.98rem; }
.testimonial-author span{ font-size:0.84rem; color: var(--clr-gray); }
.testimonial-dots{ display:flex; justify-content:center; gap:8px; margin-top: 30px; }
.testimonial-dots .dot{ width:8px; height:8px; border-radius:50%; background: rgba(255,255,255,0.3); transition: var(--transition); cursor:pointer; }
.testimonial-dots .dot.active{ background: var(--clr-primary); width:22px; border-radius: 5px; }

/* -------------------------------------------------------------
   17. FAQ
------------------------------------------------------------- */
.faq-wrap{ max-width: 820px; }
.faq-item{ border-bottom: 1px solid var(--clr-border); padding: 6px 0; }
.faq-question{
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding: 22px 4px; font-size:1.02rem; font-weight:600; text-align:left; color: var(--clr-dark);
}
.faq-question i{ color: var(--clr-primary); transition: transform .3s ease; flex-shrink:0; margin-left: 16px; }
.faq-item.active .faq-question i{ transform: rotate(45deg); }
.faq-answer{ max-height:0; overflow:hidden; transition: max-height .4s ease; }
.faq-item.active .faq-answer{ max-height: 220px; }
.faq-answer p{ padding: 0 4px 22px; color: var(--clr-gray); font-size:0.95rem; }

/* -------------------------------------------------------------
   18. LATEST NEWS
------------------------------------------------------------- */
.news-section{ background: var(--clr-light-gray); }
.news-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.news-card{ background:#fff; border-radius: var(--radius-md); overflow:hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.news-card:hover{ box-shadow: var(--shadow-md); transform: translateY(-6px); }
.news-media{ overflow:hidden; aspect-ratio: 16/10; }
.news-media img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.news-card:hover .news-media img{ transform: scale(1.08); }
.news-body{ padding: 24px; }
.news-meta{ display:flex; gap:14px; align-items:center; font-size:0.82rem; color: var(--clr-gray); margin-bottom:12px; }
.news-tag{ background: var(--clr-primary-light); color: var(--clr-primary); padding: 4px 12px; border-radius: var(--radius-pill); font-weight:600; }
.news-body h3{ font-size:1.08rem; margin-bottom: 14px; line-height:1.4; }
.news-body h3 a:hover{ color: var(--clr-primary); }
.news-link{ font-weight:600; font-size:0.9rem; color: var(--clr-dark); display:inline-flex; align-items:center; gap:6px; transition: var(--transition); }
.news-link:hover{ color: var(--clr-primary); gap:10px; }

/* -------------------------------------------------------------
   19. NEWSLETTER
------------------------------------------------------------- */
.newsletter-section{ background: var(--clr-primary); padding: 60px 0; }
.newsletter-inner{ display:flex; align-items:center; justify-content:space-between; gap: 30px; flex-wrap:wrap; }
.newsletter-inner h2{ color:#fff; font-size: 1.7rem; margin-bottom:6px; }
.newsletter-inner p{ color: rgba(255,255,255,0.85); }
.newsletter-form{ display:flex; gap:12px; flex-wrap:wrap; }
.newsletter-form input{
  padding: 15px 22px; border-radius: var(--radius-pill); border:none; min-width: 280px;
}
.newsletter-form .btn-primary{ background: var(--clr-dark); box-shadow:none; }
.newsletter-form .btn-primary:hover{ background:#000; }

/* -------------------------------------------------------------
   20. CONTACT
------------------------------------------------------------- */
.contact-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; }
.contact-info-item{ display:flex; gap: 16px; align-items:flex-start; margin-bottom: 26px; }
.contact-info-item i{
  width:46px; height:46px; border-radius:50%; background: var(--clr-primary-light); color: var(--clr-primary);
  display:flex; align-items:center; justify-content:center; font-size:1.1rem; flex-shrink:0;
}
.contact-info-item strong{ display:block; margin-bottom:4px; }
.contact-info-item span{ color: var(--clr-gray); font-size:0.92rem; }
.contact-map{ margin-top: 30px; }
.map-placeholder{
  height: 220px; border-radius: var(--radius-md); background: var(--clr-light-gray);
  border: 1px dashed var(--clr-border); display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:10px; color: var(--clr-gray); text-align:center; padding: 20px;
}
.map-placeholder i{ font-size:2rem; color: var(--clr-primary); }

.contact-form{ display:flex; flex-direction:column; gap: 16px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea{
  padding: 15px 18px; border: 1px solid var(--clr-border); border-radius: var(--radius-sm);
  background: var(--clr-light-gray); transition: var(--transition); resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ background:#fff; border-color: var(--clr-primary); }
.contact-form .btn{ align-self:flex-start; }

/* -------------------------------------------------------------
   21. FOOTER
------------------------------------------------------------- */
.site-footer{ background: var(--clr-dark); color: rgba(255,255,255,0.75); padding-top: 90px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr; gap: 40px; padding-bottom: 60px; }
.footer-about .brand{ color:#fff; margin-bottom: 18px; }
.footer-about p{ font-size:0.92rem; margin-bottom: 20px; }
.footer-social{ display:flex; gap:10px; }
.footer-social a{
  width:38px; height:38px; border-radius:50%; background: rgba(255,255,255,0.08);
  display:flex; align-items:center; justify-content:center; transition: var(--transition);
}
.footer-social a:hover{ background: var(--clr-primary); color:#fff; }
.footer-col h4{ color:#fff; font-size:1rem; margin-bottom: 20px; }
.footer-col ul{ display:flex; flex-direction:column; gap: 12px; }
.footer-col ul a:hover{ color: var(--clr-primary); }
.footer-col p{ font-size:0.9rem; margin-bottom:16px; }
.footer-newsletter{ display:flex; border-radius: var(--radius-pill); overflow:hidden; background: rgba(255,255,255,0.08); }
.footer-newsletter input{ flex:1; background:transparent; border:none; padding: 12px 18px; color:#fff; }
.footer-newsletter input::placeholder{ color: rgba(255,255,255,0.5); }
.footer-newsletter button{ background: var(--clr-primary); color:#fff; width: 46px; }

.footer-bottom{ border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; }
.footer-bottom-inner{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; font-size:0.85rem; }

/* -------------------------------------------------------------
   22. BACK TO TOP
------------------------------------------------------------- */
#backToTop{
  position: fixed; bottom: 30px; right: 30px; z-index: 900;
  width: 48px; height:48px; border-radius:50%; background: var(--clr-primary); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:1.1rem;
  box-shadow: var(--shadow-md); opacity:0; visibility:hidden; transform: translateY(14px);
  transition: var(--transition);
}
#backToTop.show{ opacity:1; visibility:visible; transform: translateY(0); }
#backToTop:hover{ background: var(--clr-primary-dark); }

/* -------------------------------------------------------------
   23. RESPONSIVE — TABLET / LAPTOP (<=1024px)
------------------------------------------------------------- */
@media (max-width: 1024px){
  .why-grid, .speakers-grid, .pricing-grid, .news-grid{ grid-template-columns: repeat(2,1fr); }
  .sponsors-grid{ grid-template-columns: repeat(3,1fr); }
  .about-grid, .contact-grid{ grid-template-columns: 1fr; gap: 46px; }
  .pricing-card.featured{ transform:none; }
  .pricing-card.featured:hover{ transform: translateY(-8px); }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .gallery-grid{ columns: 3 200px; }
}

/* -------------------------------------------------------------
   24. RESPONSIVE — MOBILE (<=768px)
------------------------------------------------------------- */
@media (max-width: 768px){
  section{ padding: 76px 0; }
  .main-nav{ display:none; }
  .header-actions .btn{ display:none; }
  .nav-toggle{ display:flex; }

  .hero-content{ padding-top: 70px; }
  .hero-countdown{ gap:10px; }
  .cd-block{ padding: 12px 14px; min-width: 72px; }
  .cd-number{ font-size:1.5rem; }

  .stats-grid{ grid-template-columns: repeat(2,1fr); }
  .stat-card{ border-right:none; border-bottom: 1px solid var(--clr-border); }
  .stat-card:nth-child(2n){ border-right:none; }

  .why-grid, .speakers-grid, .pricing-grid, .news-grid{ grid-template-columns: 1fr; }
  .sponsors-grid{ grid-template-columns: repeat(2,1fr); }
  .gallery-grid{ columns: 2 160px; }

  .timeline::before{ left: 6px; }
  .timeline-time{ display:none; }
  .timeline-item{ gap:16px; }

  .form-row{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; }
  .newsletter-inner{ text-align:center; justify-content:center; }
  .newsletter-form{ justify-content:center; width:100%; }
  .newsletter-form input{ min-width: unset; flex:1; }
}

@media (max-width: 480px){
  .hero-actions{ flex-direction:column; width:100%; }
  .hero-actions .btn{ width:100%; }
  .hero-countdown{ justify-content:space-between; }
  .cd-block{ flex:1; min-width: 0; padding: 10px 8px; }
}

/* -------------------------------------------------------------
   25. REDUCED MOTION
------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}