:root {
  --ink: #07110f;
  --ink-2: #0b1714;
  --panel: #101e1a;
  --paper: #f2f3ed;
  --white: #fbfcf8;
  --muted: #9aa8a1;
  --line: rgba(255, 255, 255, .13);
  --acid: #d8ff3e;
  --orange: #ff5b2d;
  --cyan: #39e7d0;
  --heading: "Space Grotesk", sans-serif;
  --body: "DM Sans", sans-serif;
  --shell: min(1240px, calc(100% - 48px));
  --hero-image: url('assets/images/bg-hero.png');
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--white); font-family: var(--body); line-height: 1.55; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; background: var(--acid); color: var(--ink); padding: 12px 18px; font-weight: 700; transition: top .2s; }
.skip-link:focus { top: 16px; }

.page-loader { display: none; }
.js .page-loader { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; overflow: hidden; background: var(--ink); opacity: 1; visibility: visible; transition: opacity .65s ease, visibility .65s ease; }
.js.is-ready .page-loader { opacity: 0; visibility: hidden; pointer-events: none; }
.js:not(.is-ready) body { overflow: hidden; }
.loader-grid { position: absolute; inset: 0; opacity: .42; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 64px 64px; }
.loader-grid::before, .loader-grid::after { content: ""; position: absolute; border: 1px solid rgba(57,231,208,.2); border-radius: 50%; }
.loader-grid::before { width: min(68vw, 760px); aspect-ratio: 1; left: 50%; top: 50%; transform: translate(-50%, -50%); box-shadow: 0 0 0 70px rgba(57,231,208,.018), 0 0 0 140px rgba(57,231,208,.012); animation: loader-orbit 6s linear infinite; }
.loader-grid::after { width: 9px; height: 9px; left: calc(50% - 4px); top: calc(50% - min(34vw, 380px)); background: var(--acid); border: 0; box-shadow: 0 0 24px var(--acid); }
.loader-core { position: relative; width: min(430px, calc(100% - 48px)); padding: 38px; border: 1px solid rgba(216,255,62,.28); background: rgba(8,20,17,.88); backdrop-filter: blur(12px); }
.loader-core::before { content: ""; position: absolute; width: 18px; height: 18px; left: -1px; top: -1px; border-left: 3px solid var(--acid); border-top: 3px solid var(--acid); }
.loader-core::after { content: ""; position: absolute; width: 18px; height: 18px; right: -1px; bottom: -1px; border-right: 3px solid var(--cyan); border-bottom: 3px solid var(--cyan); }
.loader-core img { display: block; width: 218px; height: auto; margin: 0 auto 42px; }
.loader-readout { display: flex; justify-content: space-between; gap: 18px; margin-bottom: 13px; font: 600 8px var(--heading); letter-spacing: .15em; }
.loader-readout span { color: #7e8d85; }.loader-readout b { color: var(--acid); font-weight: 600; animation: loader-blink 1s steps(2) infinite; }
.loader-progress { height: 4px; overflow: hidden; background: rgba(255,255,255,.1); }
.loader-progress i { display: block; width: 45%; height: 100%; background: linear-gradient(90deg, var(--orange), var(--acid), var(--cyan)); box-shadow: 0 0 15px rgba(216,255,62,.65); animation: loader-progress 1.3s ease-in-out infinite; }
.loader-meta { display: flex; justify-content: space-between; margin-top: 14px; color: #65736c; font: 600 8px var(--heading); letter-spacing: .15em; }

.site-header { position: absolute; top: 0; left: 0; width: 100%; z-index: 20; border-bottom: 1px solid var(--line); transition: background .3s, transform .3s; }
.site-header.is-fixed { position: fixed; background: rgba(7, 17, 15, .9); backdrop-filter: blur(18px); }
.nav-wrap { height: 88px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand img { display: block; width: 178px; height: auto; }
.brand-mark { width: 37px; height: 37px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; transform: skew(-11deg); }
.brand-mark i { background: var(--acid); }
.brand-mark i:nth-child(2) { height: 72%; align-self: end; background: var(--cyan); }
.brand-mark i:nth-child(3) { height: 46%; align-self: end; background: var(--orange); }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font: 700 23px/1 var(--heading); letter-spacing: .04em; }
.brand-copy small { margin-top: 5px; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: #b9c4be; }
.site-nav { display: flex; align-items: center; gap: 32px; font-size: 13px; font-weight: 600; }
.site-nav > a:not(.nav-cta) { color: #c5cdc8; position: relative; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -9px; width: 0; height: 2px; background: var(--acid); transition: width .25s; }
.site-nav > a:hover::after, .site-nav > a:focus-visible::after { width: 100%; }
.nav-cta { padding: 12px 16px; border: 1px solid rgba(216, 255, 62, .5); color: var(--acid); }
.nav-cta span { margin-left: 15px; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 11px; border: 1px solid var(--line); background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--white); }

.hero { min-height: 980px; position: relative; padding: 178px 0 0; overflow: hidden; background: radial-gradient(circle at 78% 33%, rgba(57, 231, 208, .1), transparent 29%), linear-gradient(125deg, #081411 0%, #07110f 53%, #0d1a17 100%); }
.hero-media { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(7,17,15,.97) 0%, rgba(7,17,15,.74) 48%, rgba(7,17,15,.28) 100%), var(--hero-image); background-position: center; background-size: cover; opacity: .78; filter: saturate(.82) contrast(1.04); transform: scale(1.015); }
.hero-media::after { content: "INDUSTRIA CONECTADA / 2026"; position: absolute; right: 3.5%; top: 13%; padding: 6px 9px; border: 1px solid rgba(216,255,62,.22); color: rgba(216,255,62,.42); font: 600 7px var(--heading); letter-spacing: .18em; }
.hero-grid { position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(to bottom, #000 15%, transparent 90%); }
.hero::after { content: "STI"; position: absolute; left: -34px; bottom: 60px; font: 700 clamp(220px, 34vw, 500px)/.7 var(--heading); letter-spacing: -.09em; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.055); pointer-events: none; }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1.18fr .82fr; align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 12px; font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--acid); }
.eyebrow span { width: 30px; height: 1px; background: currentColor; }
h1, h2, h3 { font-family: var(--heading); margin-top: 0; }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(58px, 7.6vw, 116px); line-height: .91; letter-spacing: -.065em; text-transform: uppercase; }
.hero h1 em { color: var(--acid); font-style: normal; }
.hero-intro { max-width: 650px; margin: 34px 0 0; color: #b1beb7; font-size: 18px; }
.hero-actions { margin-top: 40px; display: flex; align-items: center; gap: 32px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 34px; padding: 0 23px; border: 0; font-size: 13px; font-weight: 700; cursor: pointer; }
.button-primary { background: var(--acid); color: var(--ink); box-shadow: inset 0 0 0 1px var(--acid); transition: color .25s, background .25s, transform .25s; }
.button-primary:hover { background: transparent; color: var(--acid); transform: translateY(-2px); }
.text-link { font-weight: 600; font-size: 14px; }
.text-link span { color: var(--acid); margin-left: 9px; }
.hero-panel { min-height: 640px; position: relative; padding: 26px; border: 1px solid rgba(216,255,62,.28); background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.012)); backdrop-filter: blur(8px); overflow: hidden; }
.hero-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 49.7%, rgba(216,255,62,.13) 50%, transparent 50.3%), linear-gradient(transparent 49.7%, rgba(216,255,62,.13) 50%, transparent 50.3%); background-size: 44px 44px; opacity: .55; }
.hero-panel::after { content: ""; position: absolute; width: 260px; height: 260px; border: 1px solid rgba(57,231,208,.36); border-radius: 50%; right: -70px; top: 95px; box-shadow: 0 0 0 44px rgba(57,231,208,.035), 0 0 0 88px rgba(57,231,208,.02); animation: pulse 4s ease-in-out infinite; }
.panel-head { position: relative; z-index: 2; display: flex; justify-content: space-between; font: 600 10px var(--heading); letter-spacing: .15em; }
.panel-head b { color: var(--cyan); font-weight: 600; }
.year { position: relative; z-index: 2; margin: 68px 0 0; font: 700 clamp(170px, 19vw, 280px)/.62 var(--heading); letter-spacing: -.12em; color: var(--paper); }
.event-date { position: relative; z-index: 2; margin-top: 52px; padding-left: 18px; border-left: 3px solid var(--orange); display: grid; }
.event-date small { color: var(--muted); font-size: 9px; letter-spacing: .18em; }
.event-date strong { font: 600 25px var(--heading); margin: 4px 0; }
.event-date span { color: #aebbb4; font-size: 12px; }
.hero-countdown { position: relative; z-index: 3; margin-top: 24px; padding: 14px 15px 13px; border: 1px solid rgba(216,255,62,.35); background: rgba(4,13,11,.68); box-shadow: inset 3px 0 0 var(--acid), 0 12px 30px rgba(0,0,0,.16); }
.countdown-label { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; color: var(--acid); font: 600 8px var(--heading); letter-spacing: .17em; text-transform: uppercase; }
.countdown-label i { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 10px var(--orange); animation: blink 1.4s steps(2) infinite; }
.countdown-values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.countdown-values > span { display: grid; padding-right: 8px; border-right: 1px solid rgba(255,255,255,.12); }
.countdown-values > span:last-child { padding-right: 0; border-right: 0; }
.countdown-values strong { color: var(--white); font: 600 24px/1 var(--heading); font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.countdown-values small { margin-top: 4px; color: #7f8d86; font: 600 7px var(--heading); letter-spacing: .1em; text-transform: uppercase; }
.hero-countdown.is-live .countdown-label { margin: 0; font-size: 11px; }
.hero-countdown.is-live .countdown-label i { background: var(--acid); box-shadow: 0 0 12px var(--acid); }
.hero-countdown.is-live .countdown-values { display: none; }
.panel-stats { position: absolute; z-index: 2; left: 26px; right: 26px; bottom: 24px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.panel-stats div { display: grid; }
.panel-stats strong { font: 600 16px var(--heading); color: var(--acid); }
.panel-stats span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.signal { position: absolute; width: 9px; height: 9px; background: var(--orange); box-shadow: 0 0 22px var(--orange); animation: blink 2s steps(2) infinite; }
.signal-one { left: 6%; top: 32%; }.signal-two { left: 52%; top: 16%; background: var(--cyan); box-shadow: 0 0 22px var(--cyan); animation-delay: .6s; }
.ticker { position: absolute; z-index: 3; left: 0; bottom: 0; width: 100%; overflow: hidden; border-block: 1px solid var(--line); background: rgba(7,17,15,.82); transform: rotate(-1.2deg) scale(1.02); }
.ticker-track { width: max-content; display: flex; align-items: center; gap: 24px; padding: 15px 0; animation: ticker 28s linear infinite; font: 600 12px var(--heading); letter-spacing: .17em; }
.ticker-track span { color: #d7ded9; }.ticker-track i { color: var(--acid); font-style: normal; font-size: 20px; }

.section { padding: 130px 0; }
.section-heading h2 { margin: 0; max-width: 800px; font-size: clamp(42px, 5.4vw, 76px); line-height: 1; letter-spacing: -.055em; text-transform: uppercase; }
.section-heading.split { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 65px; }
.section-heading.split > p { max-width: 320px; margin: 0 0 7px; color: #8fa098; }
.about { color: var(--ink); background: var(--paper); }
.about .eyebrow { color: #3d5148; }
.about-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.about-content { padding-top: 43px; }
.about-content > p { max-width: 700px; color: #536159; }
.about-content .lead { margin-top: 0; color: var(--ink); font: 500 clamp(24px, 2.5vw, 36px)/1.28 var(--heading); letter-spacing: -.025em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 62px; border-top: 1px solid #bdc4bd; }
.feature-grid article { padding: 27px 24px 0 0; border-right: 1px solid #bdc4bd; }
.feature-grid article + article { padding-left: 24px; }
.feature-grid article:last-child { border-right: 0; }
.feature-grid b { font: 600 12px var(--heading); color: var(--orange); }
.feature-grid h3 { margin: 42px 0 11px; font-size: 18px; }
.feature-grid p { margin: 0; color: #68756e; font-size: 13px; }

.speakers { background: #0a1512; }
.speaker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.speaker-card { min-width: 0; border: 1px solid var(--line); background: #0e1b17; transition: transform .3s, border-color .3s; }
.speaker-card:hover { transform: translateY(-8px); border-color: rgba(216,255,62,.5); }
.speaker-avatar { aspect-ratio: .94; position: relative; isolation: isolate; overflow: hidden; display: grid; place-items: center; background: radial-gradient(circle at 50% 90%, rgba(57,231,208,.18), transparent 42%), linear-gradient(145deg, #152721, #0b1512); }
.speaker-avatar::before, .speaker-avatar::after { content: ""; position: absolute; border: 1px solid rgba(216,255,62,.22); border-radius: 50%; }
.speaker-avatar::before { width: 72%; height: 72%; }.speaker-avatar::after { width: 46%; height: 46%; border-color: rgba(57,231,208,.26); }
.speaker-avatar span { position: relative; z-index: 2; font: 700 clamp(60px, 8vw, 110px)/1 var(--heading); color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.25); }
.speaker-avatar img { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; display: block; opacity: 1; visibility: visible; object-fit: cover; object-position: center 18%; transition: transform .45s ease, filter .45s ease; }
.speaker-avatar.has-photo::before, .speaker-avatar.has-photo::after { display: none; }
.speaker-avatar.has-photo i { z-index: 2; }
.speaker-card:hover .speaker-avatar img { transform: scale(1.035); filter: saturate(1.06) brightness(1.03); }
.speaker-avatar i { position: absolute; left: 0; top: calc(100% - 1px); width: 100%; height: 1px; background: var(--acid); box-shadow: 0 0 14px var(--acid); animation: scan 4s ease-in-out infinite alternate; }
.speaker-info { padding: 25px; border-top: 1px solid var(--line); }
.speaker-info small { color: var(--cyan); font-size: 9px; letter-spacing: .14em; }
.speaker-info h3 { margin: 9px 0 5px; font-size: 20px; }
.speaker-info p { margin: 0; color: var(--muted); font-size: 12px; }

.schedule { background: var(--paper); color: var(--ink); }
.schedule .eyebrow { color: #3d5148; }
.schedule .section-heading.split > p { color: #5f6c65; }
.schedule-toolbar { display: flex; gap: 8px; margin-bottom: 28px; }
.day-filter { padding: 10px 18px; border: 1px solid #c3cac4; background: transparent; color: #526158; font-size: 12px; font-weight: 700; cursor: pointer; transition: .2s; }
.day-filter:hover, .day-filter.active { background: var(--ink); border-color: var(--ink); color: var(--acid); }
.session { min-height: 220px; display: grid; grid-template-columns: 120px 215px 1fr auto; align-items: center; gap: 32px; padding: 28px 25px; border-top: 1px solid #c3cac4; transition: background .25s, box-shadow .25s; }
.session:last-child { border-bottom: 1px solid #c3cac4; }
.session:hover { background: #e4e8df; box-shadow: inset 5px 0 0 var(--acid), inset 0 0 38px rgba(216,255,62,.13); }
.session.is-hidden { display: none; }
.session-index { display: grid; align-items: center; grid-template-columns: 1fr 1fr; gap: 7px; color: #6f7c75; }
.session-index small { writing-mode: vertical-rl; transform: rotate(180deg); font-size: 8px; letter-spacing: .18em; }
.session-index strong { font: 600 58px/1 var(--heading); color: #c4cac4; }
.session-time { position: relative; display: grid; align-content: center; padding: 17px 16px; border-left: 4px solid var(--acid); background: var(--ink); color: var(--white); box-shadow: 5px 5px 0 #cbd1ca; }
.session-time span, .session-main small { font-size: 9px; letter-spacing: .16em; color: #718077; font-weight: 700; }
.session-time > span { color: var(--acid); font-size: 8px; }
.session-time > strong { margin-top: 4px; font: 600 25px var(--heading); letter-spacing: -.03em; }
.session-zones { margin-top: 9px; padding-top: 8px; border-top: 1px solid rgba(255,255,255,.17); }
.session-zones summary { display: flex; justify-content: space-between; align-items: center; color: #a9b5ae; font-size: 9px; cursor: pointer; list-style: none; }
.session-zones summary::-webkit-details-marker { display: none; }
.session-zones summary b { color: var(--acid); font: 600 15px var(--heading); transition: transform .2s; }
.session-zones[open] summary b { transform: rotate(45deg); }
.session-zones ul { min-width: 330px; position: absolute; z-index: 8; left: -4px; top: calc(100% + 7px); margin: 0; padding: 10px 13px; list-style: none; background: var(--ink); color: #a9b5ae; border: 1px solid #415049; box-shadow: 10px 12px 25px rgba(0,0,0,.24); }
.session-zones li { display: grid; grid-template-columns: 48px 1fr; gap: 8px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 9px; line-height: 1.35; }
.session-zones li:last-child { border-bottom: 0; }
.session-zones time { color: var(--acid); font: 600 11px var(--heading); }
.session-main h3 { margin: 8px 0; font-size: clamp(19px, 2vw, 27px); line-height: 1.15; letter-spacing: -.025em; }
.session-main small { color: #c84220; }
.session-main p { margin: 0; color: #6c7871; font-size: 13px; }
.register-link { min-width: 175px; min-height: 78px; position: relative; padding: 13px 46px 12px 16px; display: grid; align-content: center; gap: 3px; overflow: hidden; background: var(--ink); color: var(--white); box-shadow: 6px 6px 0 #c6ccc5; transition: transform .25s, box-shadow .25s, background .25s; }
.register-link::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--acid); transition: width .3s ease; }
.register-link small, .register-link strong, .register-link span { position: relative; z-index: 1; }
.register-link small { display: flex; align-items: center; gap: 6px; color: var(--acid); font-size: 8px; letter-spacing: .12em; text-transform: uppercase; }
.register-link small i { width: 6px; height: 6px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 9px var(--acid); animation: register-pulse 1.4s ease-in-out infinite; }
.register-link strong { font: 600 15px var(--heading); }
.register-link > span { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--orange); font-size: 20px; transition: transform .25s, color .25s; }
.register-link:hover, .register-link:focus-visible { transform: translate(-3px, -3px); box-shadow: 10px 10px 0 var(--acid); color: var(--ink); }
.register-link:hover::before, .register-link:focus-visible::before { width: 100%; }
.register-link:hover small, .register-link:focus-visible small, .register-link:hover > span, .register-link:focus-visible > span { color: var(--ink); }
.register-link:hover > span, .register-link:focus-visible > span { transform: translate(3px, -50%); }
.register-link:hover small i, .register-link:focus-visible small i { background: var(--ink); box-shadow: none; }

.contact { background: var(--ink-2); position: relative; overflow: hidden; }
.contact::before { content: ""; position: absolute; right: -12vw; bottom: -30vw; width: 64vw; height: 64vw; border: 1px solid rgba(57,231,208,.12); border-radius: 50%; box-shadow: 0 0 0 80px rgba(57,231,208,.018), 0 0 0 160px rgba(57,231,208,.012); }
.contact-layout { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.contact-copy h2 { margin-bottom: 27px; font-size: clamp(42px, 5vw, 72px); line-height: .98; letter-spacing: -.05em; text-transform: uppercase; }
.contact-copy > p:not(.eyebrow) { max-width: 520px; color: #98a69f; }
.contact-email { display: inline-block; margin-top: 48px; font: 600 clamp(16px, 1.8vw, 22px)/1.3 var(--heading); color: var(--acid); }
.contact-email span { margin-left: 10px; }
.contact-form { padding: 42px; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.contact-form label { display: grid; gap: 9px; margin-bottom: 24px; color: #aab6af; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form input, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid #3c4a45; border-radius: 0; padding: 13px 0; background: transparent; color: var(--white); outline: none; resize: vertical; transition: border-color .2s; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #68756f; text-transform: none; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--acid); }
.honeypot { position: absolute; left: -9999px; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.form-footer p { max-width: 280px; margin: 0; color: #738079; font-size: 11px; }
.form-footer p.success { color: var(--cyan); }.form-footer p.error { color: #ff8a69; }

.site-footer { background: #050b09; border-top: 1px solid var(--line); }
.footer-main { padding: 70px 0; display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 70px; }
.footer-brand { margin-bottom: 23px; }.footer-brand img { width: 210px; }.footer-main p { color: #7f8c85; }
.footer-main > div:not(:first-child) { display: grid; align-content: start; gap: 13px; }
.footer-main small { margin-bottom: 11px; color: #68766f; font-size: 9px; letter-spacing: .17em; }
.footer-main > div:not(:first-child) a { color: #bac4be; font-size: 13px; }
.footer-main > div:not(:first-child) a:hover { color: var(--acid); }
.footer-bottom { min-height: 68px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: #5f6b65; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.whatsapp { position: fixed; right: 24px; bottom: 24px; z-index: 30; display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 12px; background: #1fbd68; color: #031a0d; box-shadow: 0 15px 45px rgba(0,0,0,.35); transition: transform .25s; }
.whatsapp:hover { transform: translateY(-4px); }
.wa-icon { width: 34px; height: 34px; border: 2px solid currentColor; border-radius: 50%; display: grid; place-items: center; font-size: 22px; }
.wa-copy { display: grid; line-height: 1.15; }.wa-copy small { font-size: 8px; letter-spacing: .15em; }.wa-copy strong { font-size: 12px; }
.back-top { position: fixed; left: 24px; bottom: 24px; z-index: 30; min-width: 112px; height: 48px; padding-left: 17px; display: flex; align-items: center; justify-content: space-between; gap: 16px; overflow: hidden; border: 1px solid rgba(216,255,62,.45); background: rgba(7,17,15,.9); color: var(--white); backdrop-filter: blur(12px); font: 600 11px var(--heading); letter-spacing: .1em; text-transform: uppercase; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .25s, visibility .25s, transform .25s, border-color .25s; }
.back-top b { width: 43px; height: 100%; display: grid; place-items: center; background: var(--acid); color: var(--ink); font-size: 19px; }
.back-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-top:hover, .back-top:focus-visible { border-color: var(--acid); transform: translateY(-3px); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes pulse { 50% { transform: scale(1.05); opacity: .7; } }
@keyframes blink { 50% { opacity: .2; } }
@keyframes scan { from { top: calc(100% - 1px); } to { top: 0; } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes loader-progress { from { transform: translateX(-110%); } to { transform: translateX(245%); } }
@keyframes loader-blink { 50% { opacity: .35; } }
@keyframes loader-orbit { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes register-pulse { 50% { opacity: .35; transform: scale(.72); } }

@media (max-width: 1000px) {
  :root { --shell: min(100% - 36px, 820px); }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 88px; left: 0; width: 100%; padding: 28px 18px; display: none; align-items: stretch; flex-direction: column; gap: 20px; background: #091411; border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav .nav-cta { text-align: center; }
  .hero { padding-top: 150px; min-height: auto; }
  .hero-layout { grid-template-columns: 1fr; gap: 60px; padding-bottom: 150px; }
  .hero-copy { max-width: 750px; }
  .hero-panel { min-height: 640px; }
  .year { font-size: 230px; }
  .about-layout, .contact-layout { grid-template-columns: 1fr; gap: 55px; }
  .about-content { padding-top: 0; }
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .session { grid-template-columns: 90px 205px 1fr; gap: 24px; }
  .register-link { grid-column: 3; width: 175px; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 28px); }
  .nav-wrap { height: 72px; }.site-nav { top: 72px; }.brand img { width: 150px; }
  .hero { padding-top: 125px; }.hero h1 { font-size: clamp(50px, 16vw, 75px); }
  .hero-intro { font-size: 15px; }.hero-actions { align-items: stretch; flex-direction: column; gap: 20px; }.button { width: 100%; }
  .hero-panel { min-height: 600px; padding: 20px; }.year { font-size: 48vw; margin-top: 52px; }.event-date { margin-top: 42px; }.hero-countdown { margin-top: 20px; }.countdown-values strong { font-size: 20px; }.countdown-values small { font-size: 6px; }.panel-stats { left: 20px; right: 20px; }.panel-head b { display: none; }
  .section { padding: 90px 0; }.section-heading h2, .contact-copy h2 { font-size: 42px; }
  .section-heading.split { align-items: start; flex-direction: column; gap: 24px; margin-bottom: 40px; }
  .feature-grid { grid-template-columns: 1fr; }.feature-grid article, .feature-grid article + article { padding: 24px 0; border-right: 0; border-bottom: 1px solid #bdc4bd; }.feature-grid h3 { margin: 16px 0 8px; }
  .speaker-grid { grid-template-columns: 1fr; }
  .schedule-toolbar { overflow-x: auto; padding-bottom: 4px; }.day-filter { flex: 0 0 auto; }
  .session { grid-template-columns: 65px 1fr; gap: 20px; padding: 26px 4px; }.session-index { grid-row: span 3; }.session-index strong { font-size: 43px; }.session-time, .session-main, .register-link { grid-column: 2; }.session-time { width: 100%; }.session-zones ul { min-width: 100%; right: 0; }.register-link { width: 100%; }
  .contact-form { padding: 25px 19px; }.form-row { grid-template-columns: 1fr; gap: 0; }.form-footer { align-items: stretch; flex-direction: column; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 45px 28px; }.footer-main > div:first-child { grid-column: 1 / -1; }.footer-bottom { padding: 20px 0; align-items: start; flex-direction: column; justify-content: center; gap: 7px; }
  .whatsapp { right: 14px; bottom: 14px; padding-right: 12px; }.wa-copy { display: none; }.back-top { left: 14px; bottom: 14px; min-width: 98px; height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}