/* AI Business SPb — Styles */

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

:root {
  --bg:        #0a0612;
  --bg-card:   rgba(20,14,40,.65);
  --bg-el:     rgba(45,22,102,.25);
  --border:    rgba(155,130,224,0.12);
  --border-b:  rgba(155,130,224,0.22);
  --purple:    #9B82E0;
  --purple-d:  #2D1666;
  --purple-l:  #B39DFA;
  --purple-xl: #C4B5F0;
  --green:     #34D399;
  --amber:     #F59E0B;
  --text:      rgba(255,255,255,.92);
  --text2:     rgba(255,255,255,.6);
  --text3:     rgba(255,255,255,.35);
  --r:         12px;
  --r-lg:      20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: #0a0612;
  color: rgba(255,255,255,.88);
  overflow-x: hidden;
  line-height: 1.6;
}

#site-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
nav, section, footer { position: relative; z-index: 1; }

/* ── LOADER ── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: #0a0612;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 24px;
}
#loader.done { animation: loader-exit .7s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes loader-exit {
  0% { opacity: 1; }
  100% { opacity: 0; visibility: hidden; pointer-events: none; }
}
.loader-logo {
  height: 36px; width: auto;
  filter: brightness(0) invert(1);
  animation: loader-glow 1.8s ease-in-out infinite;
}
@keyframes loader-glow {
  0%, 100% { opacity: .4; filter: brightness(0) invert(1) drop-shadow(0 0 0 rgba(155,130,224,0)); transform: scale(.97); }
  50% { opacity: 1; filter: brightness(0) invert(1) drop-shadow(0 0 30px rgba(155,130,224,.5)); transform: scale(1.03); }
}
.loader-bar {
  width: 100px; height: 2px;
  background: rgba(155,130,224,.1);
  border-radius: 2px; overflow: hidden;
}
.loader-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--purple), var(--purple-l));
  border-radius: 2px;
  animation: loader-progress 1.8s cubic-bezier(.25,.46,.45,.94) forwards;
}
@keyframes loader-progress { 0% { width: 0; } 100% { width: 100%; } }

/* Site entrance after loader */
body:not(.loaded) nav { opacity: 0; transform: translateY(-20px); }
body.loaded nav { transition: opacity .5s .1s ease, transform .5s .1s ease, background .3s; }

/* ── TYPOGRAPHY ── */
.display { font-family: 'Russo One', sans-serif; font-weight: 400; letter-spacing: -0.01em; line-height: 1.05; }
h2.st    { font-family: 'Russo One', sans-serif; font-weight: 400; font-size: clamp(26px, 4vw, 48px); letter-spacing: -0.01em; line-height: 1.15; }
h3       { font-family: 'Russo One', sans-serif; font-weight: 400; }

.label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--purple-l);
  margin-bottom: 14px;
}

/* ── LAYOUT ── */
.con { max-width: 1200px; margin: 0 auto; padding: 0 36px; }
section { padding: 80px 0; }
.sh { margin-bottom: 40px; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  background: rgba(10,6,18,.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 36px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 16px; color: var(--text); text-decoration: none; }
.logo span { color: var(--purple); }
nav ul { list-style: none; display: flex; gap: 36px; align-items: center; margin-left: 48px; }
nav a { color: rgba(255,255,255,.7); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .2s; }
nav a:hover { color: #fff; }
.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 4px; flex-direction: column; gap: 4px; }
.nav-burger span { display: block; width: 20px; height: 2px; background: rgba(255,255,255,.8); border-radius: 2px; transition: all .3s; }
.nav-mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 99; background: rgba(10,6,18,.96); backdrop-filter: blur(20px); flex-direction: column; align-items: center; justify-content: center; gap: 28px; }
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a { font-size: 18px; font-weight: 600; color: rgba(255,255,255,.85); text-decoration: none; }
.nav-mobile-menu a:hover { color: var(--purple); }
.nav-mobile-close { position: absolute; top: 20px; right: 24px; background: none; border: none; font-size: 28px; cursor: pointer; color: rgba(255,255,255,.7); }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 100px; font-family: 'Inter', sans-serif; font-weight: 600; font-size: 14px; text-decoration: none; cursor: pointer; transition: all .2s; border: none; }
.btn-p { background: linear-gradient(135deg, var(--purple), var(--purple-d)); color: #fff; }
.btn-p:hover { background: linear-gradient(135deg, var(--purple-l), var(--purple)); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(66,34,147,.28); }
.btn-o { background: transparent; color: var(--text); border: 1px solid var(--border-b); }
.btn-o:hover { border-color: var(--purple); color: var(--purple); }

/* ── HERO ── */
#hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 0 80px; position: relative; overflow: hidden; }
.hero-dark {
  background: radial-gradient(ellipse 120% 70% at 50% 50%, rgba(45,22,102,.4) 0%, transparent 55%);
}
.hero-cnt { position: relative; z-index: 1; }

/* hero canvas removed — using #site-canvas instead */

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: rgba(155,130,224,.12); border: 1px solid rgba(155,130,224,.3);
  border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--purple-xl);
  margin-bottom: 32px;
}
.badge::before { content:''; width:6px; height:6px; border-radius:50%; background:var(--purple-xl); animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.35;transform:scale(.7)} }

.hero-title { font-size: clamp(44px, 8vw, 90px); margin-bottom: 24px; color: #fff; }
.hero-title .ac {
  background: linear-gradient(90deg, var(--purple-xl), #e0d4ff, var(--purple-xl), #c4b5f0, var(--purple-xl));
  background-size: 200% 100%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: shimmer 4s ease-in-out infinite;
}
@keyframes shimmer { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.hero-sub { font-size: 18px; color: rgba(255,255,255,.65); max-width: 720px; margin-bottom: 48px; line-height: 1.75; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 80px; }
.hero-dark .btn-o { color: rgba(255,255,255,.85); border-color: rgba(255,255,255,.25); }
.hero-dark .btn-o:hover { border-color: var(--purple-xl); color: #fff; }
.hero-stats { display: flex; gap: 52px; flex-wrap: wrap; }
.hs-num { font-family: 'Russo One', sans-serif; font-size: 30px; font-weight: 400; line-height: 1; color: var(--purple-xl); }
.hs-lbl { font-size: 12px; color: var(--text3); margin-top: 5px; }

/* ── VALUE ── */
#value { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.vgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.vi { background: var(--bg-card); padding: 40px; transition: background .2s; }
.vi:hover { background: var(--bg-el); }
.vi-ico { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 20px; }
.ic-p { background: rgba(66,34,147,.1); }
.ic-c { background: rgba(66,34,147,.07); }
.ic-a { background: rgba(66,34,147,.13); }
.ic-g { background: rgba(26,140,91,.1); }
.vi h3 { font-size: 16px; margin-bottom: 10px; }
.vi p { color: var(--text2); font-size: 14px; line-height: 1.7; }

/* ── PRICING ── */
#pricing { padding: 80px 0; }
.price-card {
  background: linear-gradient(135deg, rgba(66,34,147,.06), rgba(107,79,200,.04));
  border: 1px solid rgba(66,34,147,.18); border-radius: var(--r-lg);
  padding: 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.price-amt { font-family: 'Russo One', sans-serif; font-size: clamp(34px, 5vw, 54px); font-weight: 400; line-height: 1; margin: 14px 0 20px; color: var(--purple); }
.price-amt .from { font-family: 'Inter', sans-serif; font-size: 16px; color: var(--text2); font-weight: 400; }
.price-sub { color: var(--text2); font-size: 14px; line-height: 1.7; margin-bottom: 28px; }
.plist { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.plist li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: var(--text2); }
.plist li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ── HACKATHON STATS ── */
#hstats { background: transparent; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.big3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; margin-bottom: 40px; }
.bstat { background: var(--bg-card); padding: 32px 24px; text-align: center; }
.bnum { font-family: 'Russo One', sans-serif; font-size: clamp(30px,4vw,52px); font-weight: 400; line-height: 1; margin-bottom: 8px; }
.bnum.p { color: var(--purple); }
.bnum.c { color: var(--purple-l); }
.bnum.a { color: var(--amber); }
.blbl { color: var(--text2); font-size: 13px; line-height: 1.5; }

/* ── WINNER ── */
.winner {
  background: linear-gradient(135deg, rgba(192,120,0,.06), rgba(66,34,147,.06));
  border: 1px solid rgba(192,120,0,.18); border-radius: var(--r-lg);
  padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.wbadge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; background: rgba(192,120,0,.1); border: 1px solid rgba(192,120,0,.25); border-radius: 100px; font-size: 11px; font-weight: 600; color: var(--amber); letter-spacing: .05em; text-transform: uppercase; margin-bottom: 8px; }
.winner h3 { font-size: clamp(20px,3vw,32px); margin-bottom: 16px; }
.winner-desc { color: var(--text2); font-size: 15px; line-height: 1.75; margin-bottom: 24px; }
.winner-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.wscreen { background: var(--bg-el); border: 1px solid var(--border-b); border-radius: var(--r); aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px; color: var(--text3); font-size: 13px; overflow: hidden; }
.wscreen-ph { font-size: 36px; opacity: .35; }

/* ── CASES ── */
.cgrid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.ccard { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 32px; transition: all .25s; backdrop-filter: blur(8px); position: relative; overflow: hidden; }
.ccard:hover { border-color: rgba(155,130,224,.35); transform: translateY(-2px); box-shadow: 0 0 40px rgba(155,130,224,.08), 0 16px 48px rgba(45,22,102,.18); }
.cco { font-family: 'Russo One', sans-serif; font-size: 11px; font-weight: 400; color: var(--purple-l); letter-spacing: .05em; margin-bottom: 10px; }
.ctitle { font-size: 19px; margin-bottom: 14px; }
.cdesc { color: var(--text2); font-size: 14px; line-height: 1.7; }
.ctags-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.ctag { display: inline-block; padding: 4px 12px; border-radius: 100px; font-size: 11px; font-weight: 600; border: 1px solid var(--border-b); color: var(--text2); }

/* ── PARTICIPANTS ── */
.playout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.pbars { display: flex; flex-direction: column; gap: 18px; }
.pbh { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 14px; }
.pbl { color: var(--text2); } .pbp { color: var(--text); font-weight: 600; }
.pbtrack { height: 5px; background: var(--bg-el); border-radius: 100px; overflow: hidden; }
.pbfill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--purple), var(--purple-l)); width: 0; transition: width 1.3s cubic-bezier(.16,1,.3,1); }
.sgrid { display: flex; flex-direction: column; gap: 14px; }
.si { display: flex; align-items: center; gap: 16px; padding: 18px 20px; background: var(--bg-card); border-radius: var(--r); border: 1px solid var(--border); }
.sdot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.slbl { font-size: 14px; color: var(--text2); } .ssub { font-size: 11px; color: var(--text3); }
.spct { font-family: 'Russo One', sans-serif; font-size: 20px; font-weight: 400; color: var(--purple); margin-left: auto; flex-shrink: 0; }
.unis { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.unitag { padding: 9px 18px; background: var(--bg); border: 1px solid var(--border); border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--text2); transition: all .2s; }
.unitag:hover { border-color: var(--purple); color: var(--purple); }
.pvtag { padding: 6px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 100px; font-size: 12px; color: var(--text2); white-space: nowrap; }
.exp-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.sub-head { font-size: 11px; color: var(--text3); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 22px; }

/* ── BUSINESS MODEL ── */
#model { background: transparent; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.mdiag { display: grid; grid-template-columns: 1fr 48px 1fr 48px 1fr; align-items: center; margin-top: 60px; }
.mnode { background: var(--bg); border: 1px solid var(--border-b); border-radius: var(--r-lg); padding: 36px 24px; text-align: center; }
.mnode.center { background: linear-gradient(135deg, rgba(66,34,147,.08), rgba(107,79,200,.06)); border-color: rgba(66,34,147,.28); }
.mico { font-size: 34px; margin-bottom: 14px; }
.mnode h3 { font-size: 15px; margin-bottom: 8px; }
.mnode p { font-size: 12px; color: var(--text2); line-height: 1.55; }
.marr { text-align: center; font-size: 22px; color: var(--text3); }
.ftags { display: flex; justify-content: center; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.ft { padding: 8px 20px; border-radius: 100px; font-size: 13px; font-weight: 600; }
.ft-on { background: rgba(26,140,91,.1); border: 1px solid rgba(26,140,91,.25); color: var(--green); }
.ft-off { background: rgba(66,34,147,.08); border: 1px solid rgba(66,34,147,.2); color: var(--purple); }
.ft-hy { background: rgba(107,79,200,.1); border: 1px solid rgba(107,79,200,.22); color: var(--purple-l); }

/* ── TEAM ── */
.tgrid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.tcard { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 30px 20px; text-align: center; transition: all .25s; backdrop-filter: blur(8px); position: relative; overflow: hidden; }
.tcard:hover { border-color: rgba(155,130,224,.35); transform: translateY(-4px); box-shadow: 0 0 40px rgba(155,130,224,.08), 0 16px 48px rgba(45,22,102,.18); }
.tav { width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; font-family: 'Russo One', sans-serif; font-size: 22px; font-weight: 400; border: 2px solid var(--border-b); position: relative; overflow: hidden; }
.av1 { background: rgba(66,34,147,.12); color: var(--purple); }
.av2 { background: rgba(107,79,200,.12); color: var(--purple-l); }
.av3 { background: rgba(192,120,0,.12); color: var(--amber); }
.av4 { background: rgba(26,140,91,.12); color: var(--green); }
.av5 { background: rgba(66,34,147,.08); color: var(--purple-xl); }
.tname { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.trole { font-family: 'Russo One', sans-serif; font-size: 10px; font-weight: 400; color: var(--purple); letter-spacing: .04em; margin-bottom: 10px; }
.tdesc { font-size: 12px; color: var(--text2); line-height: 1.5; }

/* ── MEDIA ── */
#media { background: transparent; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.mgrid { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; margin-bottom: 28px; }
.mgrid.cols-3 { grid-template-columns: repeat(3,1fr); }
.mgrid.cols-4 { grid-template-columns: repeat(4,1fr); }
.mitem { background: var(--bg-card); padding: 26px 18px; text-align: center; transition: background .2s; text-decoration: none; display: block; }
.mitem:hover { background: var(--bg-el); }
.mname { font-size: 13px; font-weight: 600; color: var(--text2); transition: color .2s; }
.mitem:hover .mname { color: var(--purple); }
.mtype { font-size: 11px; color: var(--text3); margin-top: 4px; }
.mhead { font-size: 11px; color: var(--text3); margin-bottom: 14px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.tech-partners-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 40px; }

/* ── REVIEWS ── */
.pscore { text-align: center; padding: 18px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); margin-bottom: 20px; display: flex; align-items: center; justify-content: center; gap: 16px; backdrop-filter: blur(8px); }
.pscore-n { font-family: 'Russo One', sans-serif; font-size: 38px; font-weight: 400; color: var(--purple); line-height: 1; }
.pscore-l { color: var(--text2); font-size: 13px; }
.pscore-tag { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: .12em; }
.pvals { overflow: hidden; margin-bottom: 16px; position: relative; }
.pvals::before, .pvals::after { content: ''; position: absolute; top: 0; bottom: 0; width: 40px; z-index: 2; pointer-events: none; }
.pvals::before { left: 0; background: linear-gradient(90deg, #0a0612, transparent); }
.pvals::after { right: 0; background: linear-gradient(270deg, #0a0612, transparent); }
.pvals-track { display: flex; gap: 10px; animation: pvals-scroll 22s linear infinite; width: max-content; }
.pvals-track:hover { animation-play-state: paused; }
@keyframes pvals-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.qgrid { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
.qgrid::-webkit-scrollbar, .cgrid::-webkit-scrollbar, .tgrid::-webkit-scrollbar { height: 4px; }
.qgrid::-webkit-scrollbar-track, .cgrid::-webkit-scrollbar-track, .tgrid::-webkit-scrollbar-track { background: var(--border); border-radius: 2px; }
.qgrid::-webkit-scrollbar-thumb, .cgrid::-webkit-scrollbar-thumb, .tgrid::-webkit-scrollbar-thumb { background: rgba(66,34,147,.25); border-radius: 2px; }
.qcard { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; flex-shrink: 0; width: 280px; scroll-snap-align: start; display: flex; flex-direction: column; backdrop-filter: blur(8px); position: relative; overflow: hidden; transition: border-color .25s, box-shadow .25s; }
.qcard:hover { border-color: rgba(155,130,224,.35); box-shadow: 0 0 30px rgba(155,130,224,.07), 0 12px 36px rgba(45,22,102,.12); }
.qm { font-family: 'Russo One', sans-serif; font-size: 24px; color: var(--purple); opacity: .25; line-height: 1; margin-bottom: 4px; }
.qt { font-size: 13px; color: var(--text2); line-height: 1.65; font-style: italic; flex: 1; }
.qa { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); font-size: 12px; font-weight: 600; color: var(--text); }
.qr { font-weight: 400; color: var(--text3); font-size: 11px; }

.sgrid2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; margin-bottom: 14px; }
.sitem { background: var(--bg-card); padding: 16px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.slabel { font-size: 14px; color: var(--text2); }
.snum { font-family: 'Russo One', sans-serif; font-size: 22px; font-weight: 400; flex-shrink: 0; }
.sg { color: var(--green); } .sc { color: var(--purple-l); } .sa { color: var(--amber); } .sr { color: var(--purple-xl); }

.guest { background: linear-gradient(135deg, rgba(26,140,91,.06), rgba(66,34,147,.05)); border: 1px solid rgba(26,140,91,.2); border-radius: var(--r-lg); padding: 20px 24px; margin-top: 28px; }
.gtag { font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--green); margin-bottom: 10px; display: block; }
.guest .qt { font-size: 14px; line-height: 1.75; }
.guest-footer { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(26,140,91,.2); font-size: 12px; font-weight: 600; color: var(--text); }

/* ── FAQ ── */
.fitem { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; margin-bottom: 8px; }
.fq { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 22px 26px; background: none; border: none; color: var(--text); font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600; cursor: pointer; text-align: left; gap: 24px; }
.fq:hover { background: var(--bg); }
.fic { width: 22px; height: 22px; min-width: 22px; border-radius: 50%; border: 1px solid var(--border-b); display: flex; align-items: center; justify-content: center; font-size: 16px; transition: transform .3s; color: var(--text2); }
.fitem.open .fic { transform: rotate(45deg); }
.fa { padding: 0 26px; max-height: 0; overflow: hidden; transition: max-height .35s ease, padding-bottom .35s ease; }
.fitem.open .fa { max-height: 400px; padding-bottom: 22px; }
.fa p { color: var(--text2); font-size: 14px; line-height: 1.75; }

/* ── CTA ── */
#contact { padding: 60px 0; }
.cgrid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.clead { color: var(--text2); font-size: 16px; line-height: 1.75; margin-top: 22px; }
.cch { display: flex; align-items: center; gap: 14px; margin-top: 36px; padding: 18px 20px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); text-decoration: none; color: var(--text); transition: all .2s; }
.cch:hover { border-color: var(--purple); }
.chico { font-size: 22px; }
.chlbl { font-size: 11px; color: var(--text3); }
.chh { font-weight: 600; font-size: 15px; }
form { display: flex; flex-direction: column; gap: 14px; }
.fg { display: flex; flex-direction: column; gap: 7px; }
label { font-size: 12px; font-weight: 600; color: var(--text2); }
input, textarea { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); padding: 13px 16px; color: var(--text); font-family: 'Inter', sans-serif; font-size: 14px; transition: border-color .2s; outline: none; width: 100%; }
input:focus, textarea:focus { border-color: var(--purple); }
textarea { min-height: 110px; resize: vertical; }
::placeholder { color: var(--text3); }
#form-success { display: none; text-align: center; padding: 48px; background: rgba(26,140,91,.07); border: 1px solid rgba(26,140,91,.2); border-radius: var(--r); margin-top: 16px; }
.success-icon { font-size: 36px; margin-bottom: 12px; }
.success-title { font-weight: 600; font-size: 16px; }
.success-sub { color: var(--text2); font-size: 13px; margin-top: 6px; }

/* ── FOOTER ── */
footer { padding: 44px 0; border-top: 1px solid var(--border); text-align: center; color: var(--text3); font-size: 13px; background: transparent; }
.flogo { font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 17px; color: var(--text); margin-bottom: 12px; }
.flogo span { color: var(--purple); }

/* ── TELEGRAM ICONS ── */
.tg-icon { width: 18px; height: 18px; vertical-align: middle; margin-right: 4px; }
.tg-icon-lg { width: 40px; height: 40px; color: var(--purple); flex-shrink: 0; }
.tg-icon-sm { width: 16px; height: 16px; vertical-align: -2px; margin-right: 5px; }
.nav-tg { display: inline-flex; align-items: center; gap: 6px; color: var(--text2); font-weight: 500; font-size: 13px; text-decoration: none; transition: color .2s; margin-left: auto; flex-shrink: 0; }
.nav-tg:hover { color: var(--purple); }
.footer-tg { display: inline-flex; align-items: center; gap: 5px; color: var(--purple); text-decoration: none; transition: opacity .2s; }
.footer-tg:hover { opacity: .7; }

/* ── CONTACT STRIP ── */
.contact-strip { }
.contact-strip-inner {
  display: flex; align-items: center; gap: 20px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 24px 32px;
  max-width: 520px; margin: 0 auto;
  backdrop-filter: blur(8px);
}
.contact-strip-label { font-size: 12px; color: var(--text3); margin-bottom: 2px; }
.contact-strip-handle { font-weight: 700; font-size: 16px; color: var(--text); }
.contact-strip-btn { margin-left: auto; white-space: nowrap; }

/* ── NAV DARK (at hero) ── */
nav.nav-dark { background: rgba(10,6,18,.85); border-bottom-color: rgba(155,130,224,.12); }
nav.nav-dark a { color: rgba(255,255,255,.7); }
nav.nav-dark a:hover { color: #fff; }
nav.nav-dark .btn-p { color: #fff; }
nav.nav-dark .nav-logo-img { filter: brightness(0) invert(1); }

/* ── REVEAL ANIMATION ── */
.rev { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.rev.on { opacity: 1; transform: none; }

/* ── CARD HOVER GLOW ── */
.ccard::before, .tcard::before, .infra-card::before, .qcard::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity .4s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%),
    rgba(155,130,224,.15), transparent 50%);
  pointer-events: none;
}
.ccard:hover::before, .tcard:hover::before, .infra-card:hover::before, .qcard:hover::before {
  opacity: 1;
}
.ccard::after, .tcard::after, .infra-card::after, .qcard::after {
  content: '';
  position: absolute; inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity .5s;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(155,130,224,.08) 0%, transparent 50%, rgba(179,157,250,.06) 100%);
  background-size: 200% 200%;
  animation: card-shimmer 3s ease-in-out infinite;
}
.ccard:hover::after, .tcard:hover::after, .infra-card:hover::after, .qcard:hover::after {
  opacity: 1;
}
@keyframes card-shimmer {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
}

/* ── CINEMATIC ELEMENTS ── */
.ccard, .tcard, .infra-card, .qcard, .bstat {
  opacity: 0;
  will-change: transform, opacity;
}
h2.st, .label { will-change: transform, opacity, filter; }

/* ── NAV LOGO ── */
.nav-logo-img { height: 17px; width: auto; display: block; transition: filter .3s; filter: brightness(0) invert(1); }

/* ── HERO SINGLE COLUMN ── */
.hero-cnt { position: relative; z-index: 1; max-width: 820px; }

/* ── BUSINESS MODEL ── */
.bm-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 48px; }
.bm-inputs { display: grid; grid-template-columns: 1fr auto auto auto 1fr; align-items: center; margin-bottom: 0; }
.bm-node { background: var(--bg); border: 1px solid var(--border-b); border-radius: var(--r-lg); padding: 28px; }
.bm-ico { font-size: 32px; margin-bottom: 12px; }
.bm-node h3 { font-size: 15px; margin-bottom: 8px; }
.bm-node p { font-size: 12px; color: var(--text2); line-height: 1.55; margin-bottom: 14px; }
.bm-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.bm-tags span { padding: 3px 10px; background: rgba(66,34,147,.08); border: 1px solid rgba(66,34,147,.15); border-radius: 100px; font-size: 11px; color: var(--purple); }
.bm-connector { display: flex; align-items: center; padding: 0 8px; color: var(--purple-xl); font-size: 18px; }
.bm-conn-line { flex: 1; height: 2px; background: linear-gradient(90deg, transparent, rgba(66,34,147,.28)); min-width: 16px; }
.bm-connector-rev .bm-conn-line { background: linear-gradient(90deg, rgba(66,34,147,.28), transparent); }
.bm-conn-tip { padding: 0 4px; }
.bm-center-node { background: linear-gradient(135deg, rgba(66,34,147,.09), rgba(107,79,200,.07)); border: 2px solid rgba(66,34,147,.28); border-radius: var(--r-lg); padding: 32px 24px; text-align: center; }
.bm-time-badge { display: inline-block; padding: 4px 16px; background: var(--purple); color: #fff; border-radius: 100px; font-family: 'Russo One', sans-serif; font-size: 12px; margin-bottom: 14px; }
.bm-center-ico { font-size: 36px; margin-bottom: 10px; }
.bm-center-node h3 { font-size: 15px; margin-bottom: 12px; }
.bm-venue-tags { display: flex; flex-direction: column; gap: 6px; align-items: center; font-size: 12px; color: var(--text2); }
.bm-down-row { display: flex; flex-direction: column; align-items: center; padding: 12px 0; }
.bm-down-line { width: 2px; height: 28px; background: rgba(66,34,147,.2); }
.bm-down-tip { font-size: 20px; color: var(--text3); line-height: 1; }
.bm-outputs { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-bottom: 32px; }
.bm-out { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 20px; text-align: center; }
.bm-out-ico { font-size: 26px; margin-bottom: 8px; }
.bm-out-title { font-family: 'Russo One', sans-serif; font-size: 12px; color: var(--text); margin-bottom: 4px; }
.bm-out-desc { font-size: 11px; color: var(--text3); line-height: 1.45; }
.bm-formats { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; padding-top: 8px; border-top: 1px solid var(--border); }
.bm-format-note { font-size: 12px; color: var(--text3); }

/* ── HACKATHON ── */
#hstats { background: transparent; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* winner card — inline: photo left, text right */
.winner { background: linear-gradient(135deg, rgba(192,120,0,.06), rgba(66,34,147,.06)); border: 1px solid rgba(192,120,0,.2); border-radius: var(--r-lg); padding: 24px 28px; display: flex; gap: 24px; align-items: center; margin-top: 32px; }
.winner-left { display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 0; }
.winner-left h3 { font-size: clamp(16px, 2vw, 22px); line-height: 1.2; }
.winner-desc { color: var(--text2); font-size: 13px; line-height: 1.7; }

/* horizontal photo scroll */
.hs-photo-scroll { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding-bottom: 10px; margin-top: 32px; }
.hs-photo-scroll::-webkit-scrollbar { height: 4px; }
.hs-photo-scroll::-webkit-scrollbar-track { background: var(--border); border-radius: 2px; }
.hs-photo-scroll::-webkit-scrollbar-thumb { background: rgba(66,34,147,.25); border-radius: 2px; }
.hs-scroll-photo { flex-shrink: 0; height: 300px; width: auto; border-radius: var(--r-lg); object-fit: cover; scroll-snap-align: start; display: block; }

/* ── INFRA ── */
#infra { background: transparent; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.infra-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.infra-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 32px; display: flex; gap: 24px; align-items: center; transition: all .25s; backdrop-filter: blur(8px); position: relative; overflow: hidden; }
.infra-card:hover { border-color: rgba(155,130,224,.35); box-shadow: 0 0 40px rgba(155,130,224,.08), 0 16px 48px rgba(45,22,102,.18); }
.infra-logo-col { width: 140px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.infra-logo { height: 56px; width: auto; max-width: 140px; object-fit: contain; }
.infra-card h3 { font-size: 16px; margin-bottom: 8px; }
.infra-card p { color: var(--text2); font-size: 13px; line-height: 1.7; margin-bottom: 12px; }
.infra-badge { display: inline-block; padding: 4px 12px; background: rgba(66,34,147,.08); border: 1px solid rgba(66,34,147,.18); border-radius: 100px; font-size: 11px; font-weight: 600; color: var(--purple); letter-spacing: .04em; text-transform: uppercase; }

/* ── PARTNERS ── */
#partners { padding: 80px 0; }
.sh-sub { color: var(--text2); font-size: 16px; margin-top: 16px; max-width: 620px; line-height: 1.75; }
.partners-marquee-wrap { overflow: hidden; margin-top: 40px; position: relative; }
.partners-marquee-wrap::before,
.partners-marquee-wrap::after { content: ''; position: absolute; top: 0; bottom: 0; width: 60px; z-index: 2; pointer-events: none; }
.partners-marquee-wrap::before { left: 0; background: linear-gradient(90deg, #0a0612, transparent); }
.partners-marquee-wrap::after { right: 0; background: linear-gradient(270deg, #0a0612, transparent); }
.partners-marquee { display: flex; gap: 0; animation: marquee-scroll 30s linear infinite; width: max-content; }
.partners-marquee:hover { animation-play-state: paused; }
@keyframes marquee-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.partner-item { flex-shrink: 0; width: 220px; padding: 24px 16px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.partner-logo-box { height: 64px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.partner-logo-box img { max-height: 56px; max-width: 160px; object-fit: contain; display: block; filter: brightness(0) invert(1); opacity: .85; }
.partner-item-name { font-size: 12px; color: var(--text3); font-weight: 500; }
.partner-item-desc { font-size: 11px; color: var(--text2); line-height: 1.45; }

/* ── MEDIA AND MORE ── */
.media-and-more { text-align: center; margin-top: 28px; font-size: 14px; color: var(--text3); font-style: italic; }

/* ── PROBLEM / SOLUTION ── */
.problem-solution { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 40px; }
.ps-item { padding: 28px 32px; border-radius: var(--r-lg); display: flex; align-items: flex-start; gap: 16px; }
.ps-item p { font-size: 16px; line-height: 1.7; }
.ps-item strong { color: var(--text); }
.ps-ico { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.ps-problem { background: rgba(192,120,0,.07); border: 1px solid rgba(192,120,0,.2); color: var(--text2); }
.ps-solution { background: rgba(26,140,91,.07); border: 1px solid rgba(26,140,91,.2); color: var(--text2); }

/* ── COMPACT SCHEME ── */
.scheme-compact { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 36px; backdrop-filter: blur(8px); }
.sc-row { display: grid; align-items: stretch; }
.sc-inputs { grid-template-columns: 1fr auto 1.2fr auto 1fr; gap: 0; }
.sc-block { background: var(--bg); border: 1px solid var(--border-b); border-radius: var(--r); padding: 20px; }
.sc-block h3 { font-size: 14px; margin-bottom: 6px; }
.sc-block p { font-size: 12px; color: var(--text2); line-height: 1.5; margin-bottom: 10px; }
.sc-center { background: linear-gradient(135deg, rgba(66,34,147,.08), rgba(107,79,200,.06)); border-color: rgba(66,34,147,.28); }
.sc-arrow { display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--purple-xl); padding: 0 6px; }
.sc-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.sc-tags span { padding: 2px 8px; background: rgba(66,34,147,.08); border: 1px solid rgba(66,34,147,.15); border-radius: 100px; font-size: 10px; color: var(--purple); }
.sc-down { text-align: center; font-size: 20px; color: var(--text3); padding: 8px 0; }
.sc-results { grid-template-columns: repeat(4,1fr); gap: 10px; }
.sc-result { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 14px; text-align: center; }
.sc-result strong { display: block; font-family: 'Russo One', sans-serif; font-size: 12px; font-weight: 400; margin-bottom: 4px; }
.sc-result span { font-size: 11px; color: var(--text3); line-height: 1.4; }
.sc-summary { font-size: 14px; color: var(--text2); line-height: 1.75; text-align: center; max-width: 680px; margin: 16px auto 0; }

/* ── CONTACT SIMPLE ── */
.contact-simple { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ── WINNER PHOTO ── */
.winner-photo { border-radius: var(--r); overflow: hidden; width: 140px; height: 100px; flex-shrink: 0; border: 1px solid var(--border); }
.winner-photo-img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── COUNTDOWN ── */
#countdown-section { padding: 0; }
.countdown-block {
  background: linear-gradient(135deg, var(--purple-d), var(--purple));
  border-radius: var(--r-lg);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  margin: 0;
}
.countdown-title { color: #fff; margin-bottom: 40px; }
.countdown-timer { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 32px; }
.cd-unit { display: flex; flex-direction: column; align-items: center; }
.cd-num {
  font-family: 'Russo One', sans-serif;
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 400;
  line-height: 1;
  color: #fff;
  min-width: 90px;
  text-align: center;
}
.cd-label { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 8px; text-transform: uppercase; letter-spacing: .1em; }
.cd-sep { font-family: 'Russo One', sans-serif; font-size: clamp(32px, 5vw, 56px); color: rgba(255,255,255,.35); margin-bottom: 20px; }
.countdown-ctas { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 700px; margin: 0 auto; }
.countdown-cta-card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: var(--r-lg); padding: 28px; text-align: center; display: flex; flex-direction: column; gap: 16px; align-items: center; justify-content: space-between; }
.countdown-cta-label { font-family: 'Russo One', sans-serif; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.countdown-cta-text { font-size: 14px; color: rgba(255,255,255,.75); line-height: 1.7; margin: 0; }
.btn-countdown { background: #fff; color: var(--purple); font-weight: 700; padding: 16px 36px; font-size: 16px; }
.btn-countdown:hover { background: var(--bg); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.25); }

/* ── FOOTER PRIVACY ── */
.footer-privacy { margin-top: 16px; font-size: 11px; color: var(--text3); max-width: 480px; margin-left: auto; margin-right: auto; line-height: 1.6; }
.footer-privacy a { color: var(--purple-l); text-decoration: underline; }

/* ── FOOTER LOGO ── */
.footer-logo { height: 18px; width: auto; display: block; margin: 0 auto 14px; filter: brightness(0) invert(1); opacity: .85; }

/* ── SCROLL HINT ── */
.scroll-hint-wrap { position: relative; }
.scroll-hint-wrap::after {
  content: '→';
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(155,130,224,.15);
  border: 1px solid rgba(155,130,224,.25);
  border-radius: 50%;
  color: var(--purple-xl);
  font-size: 16px;
  pointer-events: none;
  animation: scroll-hint-pulse 2s ease-in-out infinite;
  z-index: 3;
}
.scroll-hint-wrap.scrolled::after { opacity: 0; transition: opacity .3s; }
@keyframes scroll-hint-pulse {
  0%, 100% { opacity: .6; transform: translateY(-50%) translateX(0); }
  50% { opacity: 1; transform: translateY(-50%) translateX(4px); }
}

/* ── RESPONSIVE ── */
@media(max-width:960px) {
  .hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo-col { display: none; }
  .vgrid { grid-template-columns: repeat(2,1fr); }
  .playout, .cgrid2 { grid-template-columns: 1fr; gap: 36px; }
  .cgrid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; gap: 16px; padding-bottom: 10px; }
  .cgrid .ccard { flex-shrink: 0; width: 280px; scroll-snap-align: start; }
  .sgrid2 { grid-template-columns: repeat(2,1fr); }
  .tgrid { grid-template-columns: repeat(3,1fr); }
  nav ul { display: none; }
  .nav-burger { display: flex; }
  .nav-tg { margin-left: auto; font-size: 0; gap: 0; }
  .nav-tg .tg-icon { width: 22px; height: 22px; }
  .sc-inputs { grid-template-columns: 1fr auto 1.2fr auto 1fr; gap: 0; }
  .sc-block h3 { font-size: 13px; }
  .sc-block p { font-size: 11px; }
  .sc-block { padding: 14px; }
  .sc-results { grid-template-columns: repeat(2,1fr); }
  .winner-photo { width: 120px; height: 80px; }
  .infra-grid { grid-template-columns: 1fr; }
  .problem-solution { grid-template-columns: 1fr; }
  .countdown-block { padding: 48px 28px; }
  .countdown-ctas { grid-template-columns: 1fr; }
  .cd-num { min-width: 60px; }
}
@media(max-width:600px) {
  .con { padding: 0 20px; }
  section { padding: 56px 0; }
  .tgrid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; gap: 12px; padding-bottom: 10px; }
  .tcard { flex-shrink: 0; width: 160px; scroll-snap-align: start; padding: 20px 14px; }
  .hero-title { font-size: clamp(32px, 8vw, 90px); word-break: break-word; overflow-wrap: break-word; }
  .hero-sub { font-size: 15px; line-height: 1.65; }
  .hero-stats { gap: 28px; }
  .vgrid { grid-template-columns: 1fr; }
  .pscore { flex-direction: column; gap: 8px; }
  .scheme-compact { padding: 16px; }
  .sc-inputs { flex-direction: column; display: flex; gap: 8px; }
  .sc-arrow { display: none; }
  .sc-results { grid-template-columns: 1fr 1fr; }
  .mgrid.cols-4 { grid-template-columns: repeat(2,1fr); }
  .infra-card { flex-direction: column; gap: 16px; padding: 24px; }
  .infra-logo-col { width: auto; }
  .countdown-timer { gap: 6px; }
  .cd-num { font-size: 36px; min-width: 50px; }
  .cd-sep { font-size: 28px; }
  .winner { flex-direction: column; }
  .winner-photo { width: 100%; height: 120px; }
  .cgrid .ccard { width: 260px; }
  .big3 { grid-template-columns: repeat(3,1fr); }
  .bstat { padding: 16px 8px; }
  .bnum { font-size: clamp(22px, 6vw, 30px); }
  .blbl { font-size: 10px; line-height: 1.3; }
  .ps-item p { font-size: 13px; line-height: 1.55; }
  .sgrid2 { grid-template-columns: 1fr; }
  .sitem { padding: 12px 16px; }
  .slabel { font-size: 13px; }
  .snum { font-size: 18px; }
}