/* =========================================================
   KONSULTE · Estilos
   ========================================================= */

@font-face{font-family:"Inter";src:url("fonts/inter-regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-medium.woff") format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-semibold.woff") format("woff");font-weight:600;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-bold.woff") format("woff");font-weight:700 800;font-display:swap}
@font-face{font-family:"Lora";src:url("fonts/lora-var.woff") format("woff");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Lora";src:url("fonts/lora-italic-var.woff") format("woff");font-weight:400 700;font-style:italic;font-display:swap}

:root{
  --font-sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-display:"Lora",Georgia,"Times New Roman",serif;

  /* Claro */
  --bg:#f6f8fb;
  --bg-alt:#eef3f8;
  --surface:#ffffff;
  --surface-2:#f4f7fb;
  --line:#dbe3ec;
  --line-strong:#c6d2de;
  --ink:#0d1b2a;
  --muted:#46586b;
  --teal:#0b7d75;
  --teal-bright:#14b8a6;
  --teal-soft:rgba(20,184,166,.12);
  --gold:#f5c542;
  --gold-text:#8a5d00;
  --shadow-sm:0 1px 2px rgba(13,27,42,.06),0 2px 8px rgba(13,27,42,.05);
  --shadow:0 2px 6px rgba(13,27,42,.05),0 18px 40px -18px rgba(13,27,42,.22);
  --glass:rgba(255,255,255,.78);
  --header-bg:rgba(246,248,251,.82);
  --radius:20px;
  --radius-sm:12px;
  --section-pad:clamp(64px,9vw,104px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
[data-theme=dark]{
  --bg:#08111b;
  --bg-alt:#0b1724;
  --surface:#0f1c2b;
  --surface-2:#132437;
  --line:rgba(150,180,210,.14);
  --line-strong:rgba(150,180,210,.26);
  --ink:#f1f6fb;
  --muted:#b3c2d1;
  --teal:#45d9cb;
  --teal-bright:#14b8a6;
  --teal-soft:rgba(69,217,203,.12);
  --gold-text:#f5c542;
  --shadow-sm:none;
  --shadow:0 24px 60px -30px rgba(0,0,0,.7);
  --glass:rgba(15,28,43,.72);
  --header-bg:rgba(8,17,27,.72);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip;transition:background-color .4s var(--ease),color .4s var(--ease)}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
img{max-width:100%;height:auto;display:block}
svg{width:22px;height:22px;flex:none}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
::selection{background:var(--teal-bright);color:#04211e}
.container{width:min(1200px,calc(100% - 48px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;top:-100px;left:12px;background:var(--surface);padding:12px 16px;border-radius:10px;z-index:100;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
.muted{color:var(--muted)}
.section{padding:var(--section-pad) 0}

h1,h2,.display{font-family:var(--font-display);font-weight:600;letter-spacing:-.015em;line-height:1.12}
h2{font-size:clamp(30px,3.6vw,44px)}
.display{font-size:clamp(30px,3.4vw,42px)}
h3,h4{line-height:1.3}

/* Scroll progress */
.scroll-progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:60;pointer-events:none}
.scroll-progress span{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--teal-bright),var(--gold))}

/* ---------- Botones ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px;letter-spacing:.005em;white-space:nowrap;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s,border-color .25s,color .25s;isolation:isolate}
.btn svg{width:18px;height:18px;transition:transform .25s var(--ease)}
.btn:hover svg:last-child{transform:translateX(3px)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--teal-bright);color:#04211e;box-shadow:0 10px 26px -10px rgba(20,184,166,.65)}
.btn-primary:hover{background:#2dd4bf;box-shadow:0 16px 32px -12px rgba(20,184,166,.75)}
.btn-ghost{border:1.5px solid var(--line-strong);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-gold{background:var(--gold);color:#1d1400;box-shadow:0 12px 30px -12px rgba(245,197,66,.7)}
.btn-gold:hover{background:#ffd666}
.btn-glass{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);color:#fff;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn-glass:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}
.btn-icon{width:50px;padding:0}
.btn-whatsapp{background:#25d366;color:#05230f;box-shadow:0 12px 28px -12px rgba(37,211,102,.7)}
.btn-whatsapp:hover{background:#3be37a}
.btn-whatsapp svg{width:20px;height:20px}
.text-link{color:var(--teal);text-decoration:underline;text-underline-offset:3px;font-weight:500;cursor:pointer}
.text-link:hover{text-decoration-thickness:2px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);border-bottom:1px solid transparent;transition:border-color .3s,background-color .3s}
.site-header.scrolled{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;transition:min-height .3s var(--ease)}
.site-header.scrolled .nav{min-height:64px}
.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:21px;font-weight:800;letter-spacing:.06em;color:var(--teal)}
.logo-img{width:44px;height:44px;object-fit:contain;border-radius:11px;background:#fff;box-shadow:var(--shadow-sm)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{position:relative;display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;text-decoration:none;font-size:14.5px;font-weight:500;color:var(--muted);transition:color .2s,background-color .2s}
.nav-links a:hover{color:var(--ink);background:var(--teal-soft)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active:not(.conference-pill)::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--teal)}
.conference-pill{border:1px solid rgba(245,197,66,.55);color:var(--ink)!important;background:rgba(245,197,66,.08)}
.conference-pill:hover,.conference-pill.active{background:rgba(245,197,66,.16)!important;border-color:var(--gold)}
.live-dot{position:relative;display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);flex:none}
.live-dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--gold);animation:ping 2s var(--ease) infinite}
@keyframes ping{0%{transform:scale(1);opacity:.8}80%,100%{transform:scale(2.8);opacity:0}}
.nav-actions{display:flex;align-items:center;gap:10px}
.theme-toggle{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid var(--line-strong);border-radius:999px;font-size:13.5px;font-weight:500;color:var(--ink);transition:border-color .2s,background-color .2s}
.theme-toggle:hover{border-color:var(--teal);background:var(--teal-soft)}
.theme-toggle svg{width:17px;height:17px}
[data-theme=dark] .theme-toggle .ico-moon,[data-theme=light] .theme-toggle .ico-sun{display:none}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s}
.menu-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-theme-item{display:none}

/* Announcement */
.event-announcement{display:block;text-decoration:none;font-size:14px;color:var(--ink);background:linear-gradient(90deg,rgba(20,184,166,.10),rgba(245,197,66,.10));border-bottom:1px solid var(--line);transition:background-color .2s}
.announcement-inner{display:flex;align-items:center;justify-content:center;gap:12px;min-height:46px;padding:8px 0;text-align:center}
.announcement-inner strong{font-weight:600}
.announcement-cta{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:600;white-space:nowrap}
.announcement-cta svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.event-announcement:hover .announcement-cta svg{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:clip;padding:clamp(64px,9vw,120px) 0 clamp(72px,9vw,120px);border-bottom:1px solid var(--line)}
.hero-glow{position:absolute;inset:-20% -10% auto auto;width:70vw;height:70vw;max-width:900px;max-height:900px;background:radial-gradient(circle at 60% 40%,rgba(20,184,166,.20),transparent 60%),radial-gradient(circle at 30% 70%,rgba(245,197,66,.10),transparent 55%);filter:blur(10px);pointer-events:none;animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(-6%,8%) scale(1.08)}}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 70% 40%,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 70% 40%,#000 10%,transparent 70%);opacity:.6;pointer-events:none}
.hero-layout{position:relative;display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:clamp(32px,5vw,72px)}
.hero h1{font-size:clamp(38px,5.2vw,66px);line-height:1.06;letter-spacing:-.02em;max-width:14ch}
.hero h1 em{font-style:italic;color:var(--teal)}
.hero h1::after{content:"";display:block;width:72px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--teal-bright),var(--gold));margin-top:28px}
.hero-lead{color:var(--muted);font-size:clamp(16px,1.4vw,18px);max-width:60ch;margin:26px 0 34px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px}

.hero-visual{position:relative;display:grid;justify-items:center}
.hero-art{position:relative;width:min(420px,100%);aspect-ratio:1;display:grid;place-items:center;transform:translate3d(var(--px,0),var(--py,0),0);transition:transform .6s var(--ease)}
.orbit{position:absolute;border-radius:50%;border:1px solid var(--line-strong)}
.orbit-1{inset:0;animation:spin 40s linear infinite}
.orbit-2{inset:14%;border-style:dashed;animation:spin 28s linear infinite reverse}
.orbit-3{inset:28%;background:radial-gradient(circle,var(--teal-soft),transparent 70%);border-color:var(--line)}
.orbit i{position:absolute;top:-6px;left:calc(50% - 6px);width:12px;height:12px;border-radius:50%;background:var(--teal-bright);box-shadow:0 0 0 5px var(--bg),0 0 18px var(--teal-bright)}
.orbit-2 i{top:auto;bottom:-6px;background:var(--gold);box-shadow:0 0 0 5px var(--bg),0 0 18px var(--gold)}
@keyframes spin{to{transform:rotate(360deg)}}
.shield-core{position:relative;display:grid;place-items:center;width:40%;aspect-ratio:1;border-radius:30%;background:linear-gradient(145deg,var(--surface-2),var(--surface));border:1px solid var(--line-strong);box-shadow:0 30px 70px -25px rgba(20,184,166,.55);animation:float 6s ease-in-out infinite}
.shield-core svg{width:58%;height:58%;color:var(--teal);stroke-width:1.2}
@keyframes float{50%{transform:translateY(-10px) rotate(-2deg)}}

.next-event-card{position:relative;margin-top:-56px;width:min(360px,100%);display:grid;gap:6px;padding:18px 20px;border-radius:18px;text-decoration:none;background:var(--glass);border:1px solid var(--line-strong);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);transition:transform .3s var(--ease),border-color .3s}
.next-event-card:hover{transform:translateY(-4px);border-color:var(--gold)}
.nec-label{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-text)}
.next-event-card strong{font-family:var(--font-display);font-size:18px;font-weight:600;line-height:1.3}
.nec-meta{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.nec-meta svg{width:16px;height:16px}
.nec-count{display:inline-flex;align-items:center;gap:6px;margin-top:4px;font-size:14px;color:var(--teal);font-weight:600}
.nec-count b{font-variant-numeric:tabular-nums;font-size:16px}
.nec-count svg{width:16px;height:16px;transition:transform .25s}
.next-event-card:hover .nec-count svg{transform:translateX(4px)}

/* ---------- Servicios ---------- */
.section-title{text-align:center;max-width:780px;margin:0 auto clamp(40px,5vw,56px)}
.section-title p{font-size:17px;color:var(--muted);margin:18px auto 0;max-width:68ch}
.services-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.service-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3vw,36px);box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.service-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.spot::before{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(20,184,166,.12),transparent 45%);opacity:0;transition:opacity .35s;pointer-events:none}
.spot:hover::before{opacity:1}
.service-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--teal-soft);color:var(--teal);border:1px solid rgba(20,184,166,.25);transition:transform .35s var(--ease)}
.service-card:hover .service-icon{transform:rotate(-6deg) scale(1.06)}
.service-icon svg{width:26px;height:26px}
.service-card h3{font-size:20px;font-weight:650;margin:22px 0 10px;letter-spacing:-.01em}
.service-card>p{color:var(--muted)}
.service-details{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);display:grid;gap:10px}
.service-details li{position:relative;padding-left:28px;font-size:15px}
.service-details li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314b8a6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/12px no-repeat}

/* ---------- Evento ---------- */
.conference{position:relative;background:var(--bg-alt)}
.event-hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:center;overflow:clip;color:#fff;isolation:isolate;padding:clamp(88px,10vw,128px) 0 clamp(96px,10vw,128px)}
.event-cover{position:absolute;inset:0;z-index:-2;overflow:clip}
.event-cover img{width:100%;height:100%;object-fit:cover;object-position:60% 50%;transform:scale(1.12) translate3d(0,var(--parallax,0),0);animation:kenburns 26s ease-in-out infinite alternate;will-change:transform}
@keyframes kenburns{from{transform:scale(1.12) translate3d(0,var(--parallax,0),0)}to{transform:scale(1.2) translate3d(-1.5%,var(--parallax,0),0)}}
.event-hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,12,22,.94) 0%,rgba(5,12,22,.80) 42%,rgba(5,12,22,.35) 75%,rgba(5,12,22,.25) 100%),linear-gradient(0deg,rgba(5,12,22,.85) 0%,transparent 35%)}
.event-hero-content{position:relative}
.event-title{font-family:var(--font-display);font-size:clamp(40px,6.2vw,80px);font-weight:600;line-height:1.04;letter-spacing:-.02em;max-width:16ch;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.event-title .roman{font-weight:700}
.event-title .gold{color:var(--gold);font-style:italic}
.event-tagline{margin-top:22px;font-size:clamp(14px,1.4vw,17px);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#e6edf4;max-width:44ch}
.event-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.event-chips li{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);font-size:15px;font-weight:500}
.event-chips svg{width:18px;height:18px;color:var(--gold)}
.event-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:34px}

.countdown{display:flex;gap:12px;margin-top:40px}
.cd-unit{display:grid;justify-items:center;min-width:92px;padding:16px 10px 12px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.cd-unit strong{display:block;font-family:var(--font-sans);font-size:clamp(30px,3.6vw,44px);font-weight:700;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.cd-unit strong.tick{animation:tick .45s var(--ease)}
@keyframes tick{0%{transform:translateY(-35%);opacity:0}100%{transform:none;opacity:1}}
.cd-unit span{margin-top:8px;font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#c9d6e2}
.countdown-note{margin-top:14px;font-size:14px;color:#c9d6e2}
.scroll-cue{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);width:28px;height:44px;border:2px solid rgba(255,255,255,.5);border-radius:16px}
.scroll-cue span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* Calendar dropdown */
.calendar-picker{position:relative}
.calendar-trigger svg{width:18px;height:18px}
.calendar-options{position:absolute;top:calc(100% + 8px);left:0;z-index:20;min-width:230px;display:grid;padding:6px;border-radius:14px;background:var(--surface);border:1px solid var(--line-strong);box-shadow:0 20px 50px -18px rgba(0,0,0,.5);animation:pop .2s var(--ease)}
.calendar-options[hidden]{display:none}
.calendar-options a{padding:11px 14px;border-radius:10px;text-decoration:none;font-size:14.5px;font-weight:500;color:var(--ink)}
.calendar-options a:hover,.calendar-options a:focus-visible{background:var(--teal-soft);color:var(--teal)}
@keyframes pop{from{opacity:0;transform:translateY(-6px) scale(.98)}}

/* Bandas */
.event-band{background:var(--bg-alt)}
.event-band.alt{background:var(--bg)}
.event-block{padding:var(--section-pad) 0}
.event-heading p{color:var(--muted);font-size:17px;margin-top:16px;max-width:64ch}
.event-heading.centered{text-align:center;margin:0 auto clamp(36px,5vw,52px)}
.event-heading.centered p{margin-inline:auto}

.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.audience{padding:26px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.audience-title{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15.5px}
.audience-title svg{color:var(--teal)}
.audience-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.audience-chips li{padding:8px 14px;border-radius:999px;font-size:14px;font-weight:500;background:var(--teal-soft);color:var(--ink);border:1px solid rgba(20,184,166,.22);transition:transform .2s var(--ease),background-color .2s}
.audience-chips li:hover{transform:translateY(-2px);background:rgba(20,184,166,.2)}
.event-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:clamp(36px,5vw,52px)}
.fact{display:grid;align-content:start;gap:4px;padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:transform .3s var(--ease),border-color .3s}
.fact:hover{transform:translateY(-3px);border-color:var(--teal)}
.fact-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--teal-soft);color:var(--teal);margin-bottom:12px}
.fact-label{font-size:13.5px;color:var(--muted)}
.fact strong{font-size:17px;font-weight:650;line-height:1.35}

/* Temario carousel */
.topics-carousel{position:relative}
.topics-viewport{overflow:hidden;margin:-12px 0;padding:12px 0;touch-action:pan-y}
.topics-track{display:flex;gap:20px;will-change:transform}
.topic-card{flex:0 0 calc((100% - 40px)/3);display:flex;flex-direction:column;gap:14px;min-height:330px;padding:28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);user-select:none;transition:border-color .3s,transform .3s var(--ease)}
.topic-card:hover{border-color:var(--teal);transform:translateY(-4px)}
.topic-top{display:flex;align-items:center;justify-content:space-between}
.topic-num{font-family:var(--font-display);font-size:48px;font-weight:600;line-height:1;color:transparent;-webkit-text-stroke:1.2px var(--gold-text)}
.topic-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;border:2px solid var(--teal);color:var(--teal)}
.topic-icon svg{width:24px;height:24px}
.topic-card h4{font-size:19px;font-weight:650;letter-spacing:-.01em}
.topic-card ul{display:grid;gap:8px}
.topic-card li{position:relative;padding-left:18px;color:var(--muted);font-size:15px}
.topic-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.carousel-controls{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:30px}
.carousel-arrow{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);color:var(--ink);transition:border-color .2s,background-color .2s,transform .2s}
.carousel-arrow:hover{border-color:var(--teal);background:var(--teal-soft);transform:scale(1.05)}
.carousel-arrow svg{width:18px;height:18px}
.carousel-dots{display:flex;gap:8px}
.carousel-dots button{position:relative;width:10px;height:10px;border-radius:999px;background:var(--line-strong);overflow:hidden;transition:width .35s var(--ease),background-color .3s}
.carousel-dots button[aria-current=true]{width:40px;background:var(--line-strong)}
.carousel-dots button[aria-current=true]::after{content:"";position:absolute;inset:0;background:var(--teal-bright);transform-origin:0 50%;animation:fill var(--interval,5s) linear forwards}
.topics-carousel.is-paused .carousel-dots button[aria-current=true]::after{animation:none;transform:none}
@keyframes fill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.carousel-pause{height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);font-size:13px;font-weight:500;color:var(--muted)}
.carousel-pause:hover{color:var(--ink);border-color:var(--teal)}

/* Expositores */
.speakers-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.speaker{flex:0 1 calc((100% - 40px)/3);min-width:240px;display:grid;justify-items:center;text-align:center;gap:6px;padding:34px 24px 30px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .4s var(--ease),border-color .3s,box-shadow .3s}
.speaker:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.avatar{position:relative;display:grid;place-items:center;width:96px;height:96px;margin-bottom:14px;border-radius:50%;font-family:var(--font-display);font-size:32px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--h1),var(--h2));box-shadow:0 14px 30px -12px var(--h2)}
.avatar::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1.5px dashed var(--line-strong);animation:spin 30s linear infinite}
.avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.speaker h4{font-size:19px;font-weight:650}
.speaker p{color:var(--teal);font-weight:500;font-size:15px}

/* Agenda */
.agenda-timeline{position:relative;max-width:760px;margin:0 auto;padding-left:34px}
.agenda-timeline::before,.agenda-timeline::after{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;border-radius:2px;background:var(--line-strong)}
.agenda-timeline::after{background:linear-gradient(var(--teal-bright),var(--gold));transform-origin:top;transform:scaleY(var(--fill,0));transition:transform .2s linear}
.agenda-timeline li{position:relative;padding:16px 22px;margin-bottom:12px;border-radius:16px;background:var(--surface);border:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:16px;align-items:center;transition:border-color .3s,transform .3s var(--ease)}
.agenda-timeline li:hover{border-color:var(--teal);transform:translateX(4px)}
.agenda-timeline li::before{content:"";position:absolute;left:-31px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:var(--bg);border:2px solid var(--line-strong);z-index:1;transition:background-color .3s,border-color .3s,box-shadow .3s}
.agenda-timeline li.lit::before{background:var(--teal-bright);border-color:var(--teal-bright);box-shadow:0 0 0 5px var(--teal-soft)}
.agenda-time{font-size:14px;font-weight:700;color:var(--teal);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.agenda-timeline h4{font-size:16.5px;font-weight:600}

/* Marquee */
.marquee{overflow:clip;background:linear-gradient(90deg,var(--teal-bright),#0e9f8f);color:#04211e;padding:20px 0;border-block:1px solid rgba(0,0,0,.1)}
.marquee-track{display:flex;width:max-content;animation:marquee 40s linear infinite}
.marquee span{white-space:nowrap;padding-right:28px;font-family:var(--font-display);font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:.01em}
.marquee b{color:#fff;font-weight:400;margin:0 10px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Colaboradores y promotores */
.partners{display:grid;gap:clamp(36px,5vw,52px)}
.partner-group-title{display:flex;align-items:center;gap:18px;margin-bottom:22px;font-size:13px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.partner-group-title::before,.partner-group-title::after{content:"";flex:1;height:1px;background:var(--line-strong)}
.logo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.logo-grid.three{grid-template-columns:repeat(3,minmax(0,1fr));max-width:900px;margin-inline:auto}
.logo-card{display:grid;place-items:center;height:132px;padding:22px 26px;border-radius:18px;background:#fff;border:1px solid #e3e9ef;box-shadow:0 1px 2px rgba(13,27,42,.05);transition:transform .35s var(--ease),box-shadow .35s}
.logo-card:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 22px 40px -20px rgba(13,27,42,.45)}
.logo-card img{max-height:72px;max-width:100%;width:auto;object-fit:contain;transition:transform .35s var(--ease)}
.logo-card:hover img{transform:scale(1.04)}
.partner-note{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:20px;font-size:14px;color:var(--muted);text-align:center}
.partner-note svg{width:18px;height:18px;color:var(--teal)}
.partner-cta{text-align:center;margin-top:40px;color:var(--muted)}
.partner-cta a{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-weight:600;text-decoration:none}
.partner-cta a svg{width:16px;height:16px;transition:transform .25s}
.partner-cta a:hover svg{transform:translateX(4px)}

/* Ubicación */
.location-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(28px,5vw,56px);align-items:center}
.address{display:flex;gap:12px;align-items:flex-start}
.address svg{color:var(--teal);margin-top:3px}
.location-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--surface)}
.map-frame iframe{display:block;width:100%;height:100%;border:0}
[data-theme=dark] .map-frame iframe{filter:saturate(.9) brightness(.95)}

/* Registro */
.registration-band{position:relative;overflow:clip}
.registration-band::before{content:"";position:absolute;right:-200px;top:-150px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(20,184,166,.15),transparent 65%);pointer-events:none}
.registration-grid{position:relative;display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,5vw,64px);align-items:start}
.rsvp-mail{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:24px}
.rsvp-mail a{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:650;color:var(--teal);text-decoration:none}
.rsvp-mail a:hover{text-decoration:underline;text-underline-offset:4px}
.copy-btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--line-strong);font-size:13px;font-weight:500;color:var(--muted);transition:color .2s,border-color .2s}
.copy-btn:hover{color:var(--ink);border-color:var(--teal)}
.copy-btn svg{width:15px;height:15px}
.rsvp-summary{display:grid;gap:10px;margin-top:26px}
.rsvp-summary li{display:flex;align-items:center;gap:12px;font-weight:500}
.rsvp-summary svg{width:20px;height:20px;color:var(--gold-text)}
.registration-note{margin-top:24px;font-size:14px;color:var(--muted);max-width:52ch}
.form-card{position:relative;padding:clamp(24px,3vw,36px);border-radius:24px;background:var(--surface);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px}
.field{display:grid;gap:7px;font-size:14px;font-weight:600}
.field input,.field select{width:100%;height:50px;padding:0 15px;border-radius:12px;border:1px solid var(--line-strong);background:var(--surface-2);font-size:15.5px;font-weight:400;transition:border-color .2s,box-shadow .2s,background-color .2s;appearance:none;-webkit-appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314b8a6' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:18px;padding-right:42px}
.field input::placeholder{color:var(--muted);opacity:.65}
.field input:hover,.field select:hover{border-color:var(--teal)}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px var(--teal-soft);background:var(--surface)}
.field.invalid input,.field.invalid select{border-color:#ef4444;box-shadow:0 0 0 4px rgba(239,68,68,.12)}
.consent-label{display:flex;gap:12px;align-items:flex-start;margin:22px 0;font-size:14px;color:var(--muted);line-height:1.55}
.consent-label input{flex:none;width:20px;height:20px;margin-top:1px;accent-color:var(--teal-bright)}
.consent-label.invalid span{color:#f87171}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.spinner{display:none;width:18px;height:18px;border-radius:50%;border:2px solid rgba(4,33,30,.3);border-top-color:#04211e;animation:spin .8s linear infinite}
.is-sending .spinner{display:inline-block}
#registration-status{margin-top:14px;font-size:14.5px}
#registration-status[data-state=error]{color:#f87171}
[data-theme=light] #registration-status[data-state=error]{color:#b91c1c}
#registration-status a{color:var(--teal);font-weight:600}
.form-success{text-align:center;display:grid;justify-items:center;gap:10px;padding:16px 0 6px;animation:pop .4s var(--ease)}
.form-success[hidden]{display:none}
.form-card.done .form-grid,.form-card.done .consent-label,.form-card.done [type=submit]{display:none}
.success-check{display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:var(--teal-bright);color:#04211e;box-shadow:0 0 0 10px var(--teal-soft);animation:bounce .6s var(--ease)}
.success-check svg{width:36px;height:36px;stroke-dasharray:30;stroke-dashoffset:30;animation:draw .5s .25s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes bounce{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.1)}100%{transform:scale(1);opacity:1}}
.form-success h4{font-size:20px;margin-top:10px}
.form-success p{color:var(--muted)}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{border-radius:16px;background:var(--surface);border:1px solid var(--line);transition:border-color .3s}
.faq details[open]{border-color:var(--teal)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-weight:600;font-size:17px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:30px;height:30px;border-radius:50%;background:var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314b8a6' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq-body{padding:0 24px 22px;color:var(--muted)}
.faq-body a{color:var(--teal);font-weight:500}
.faq-whatsapp{display:inline-flex;align-items:center;gap:8px;margin-top:12px;text-decoration:none}
.faq-whatsapp svg{width:18px;height:18px;color:#25d366}

/* Contacto */
.contact-panel{position:relative;overflow:clip;text-align:center;padding:clamp(40px,6vw,72px) clamp(20px,4vw,56px);border-radius:28px;background:radial-gradient(800px 300px at 50% 0%,rgba(20,184,166,.16),transparent 70%),var(--surface);border:1px solid var(--line)}
.contact-panel .section-title{margin-bottom:40px}
.contact-info{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:36px;text-align:center}
.contact-item{position:relative;overflow:hidden;display:grid;justify-items:center;gap:4px;padding:28px 20px;border-radius:18px;background:var(--bg);border:1px solid var(--line);text-decoration:none;transition:transform .3s var(--ease),border-color .3s}
.contact-item:hover{transform:translateY(-4px);border-color:var(--teal)}
.contact-icon{display:grid;place-items:center;width:52px;height:52px;margin-bottom:10px;border-radius:50%;background:var(--teal-soft);color:var(--teal)}
.contact-icon.wa{background:rgba(37,211,102,.14);color:#25d366}
.contact-item h3{font-size:18px;font-weight:650;margin-bottom:4px}
.contact-item p{color:var(--muted);font-size:15px}
.contact-item p a{text-decoration:none}
.contact-item p a:hover{color:var(--teal);text-decoration:underline}
.contact-item .strong{color:var(--ink);font-weight:600}

/* Footer */
.site-footer{padding:72px 0 40px;background:var(--bg);border-top:1px solid var(--line)}
[data-theme=dark] .site-footer{background:#050b13}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:36px}
.footer-grid h3{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-grid a,.footer-grid .text-link{display:block;width:fit-content;margin-bottom:10px;font-size:15px;color:var(--ink);text-decoration:none;font-weight:400;text-align:left}
.footer-grid a:hover,.footer-grid .text-link:hover{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.footer-grid p{font-size:15px;color:var(--muted);margin-bottom:6px}
.footer-grid a.logo{display:inline-flex;margin:0;color:var(--teal);font-size:21px;font-weight:800;text-decoration:none}
.footer-brand p:first-of-type{color:var(--ink);margin-top:16px}
.footer-disclaimer{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);font-size:14px;line-height:1.7;color:var(--muted)}
.copyright{margin-top:16px;font-size:14px;color:var(--muted)}

/* Dialogs */
dialog{margin:auto;border:1px solid var(--line-strong);border-radius:22px;background:var(--surface);color:var(--ink);padding:clamp(26px,4vw,40px);width:min(720px,calc(100% - 32px));max-height:min(80vh,760px);box-shadow:0 40px 100px -30px rgba(0,0,0,.6)}
dialog[open]{animation:pop .3s var(--ease)}
dialog::backdrop{background:rgba(3,8,15,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.legal-dialog h2{font-size:28px;margin:0 40px 18px 0}
.legal-dialog p{color:var(--muted);margin-bottom:14px;font-size:15.5px}
.dialog-close{position:sticky;float:right;top:0;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);font-size:22px;line-height:1;color:var(--ink);background:var(--surface)}
.dialog-close:hover{border-color:var(--teal);color:var(--teal)}

/* Toast */
.toast{position:fixed;left:50%;bottom:28px;z-index:80;transform:translate(-50%,24px);opacity:0;pointer-events:none;padding:12px 20px;border-radius:999px;background:var(--ink);color:var(--bg);font-size:14.5px;font-weight:500;box-shadow:0 18px 40px -16px rgba(0,0,0,.5);transition:opacity .3s,transform .3s var(--ease)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* WhatsApp flotante */
.whatsapp-float{position:fixed;right:24px;bottom:24px;z-index:70;display:grid;place-items:center;width:60px;height:60px;border-radius:50%;background:#25d366;color:#fff;box-shadow:0 10px 26px rgba(0,0,0,.3);text-decoration:none;transition:transform .25s var(--ease),background-color .25s}
.whatsapp-float svg{width:32px;height:32px}
.whatsapp-float::before{content:"";position:absolute;inset:0;border-radius:50%;background:#25d366;z-index:-1;animation:wa-pulse 3s ease-out infinite}
.whatsapp-float:hover{transform:scale(1.08);background:#1ebe5d}
@keyframes wa-pulse{0%{transform:scale(1);opacity:.6}70%,100%{transform:scale(1.7);opacity:0}}
.whatsapp-tooltip{position:absolute;right:calc(100% + 12px);top:50%;transform:translate(8px,-50%);opacity:0;pointer-events:none;white-space:nowrap;padding:9px 14px;border-radius:10px;background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);font-size:14px;font-weight:500;box-shadow:var(--shadow);transition:opacity .25s,transform .25s var(--ease)}
.whatsapp-float:hover .whatsapp-tooltip,.whatsapp-float:focus-visible .whatsapp-tooltip{opacity:1;transform:translate(0,-50%)}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease) var(--d,0s),transform .8s var(--ease) var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .event-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .logo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .menu-toggle{display:flex}
  .theme-toggle{display:none}
  .nav-links{position:fixed;top:var(--header-h,64px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:16px 24px 24px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 30px 50px -30px rgba(0,0,0,.5);transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .25s,transform .3s var(--ease),visibility .25s}
  .nav-links.open{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:14px 16px;font-size:16px;border-radius:12px}
  .nav-links a.active:not(.conference-pill)::after{display:none}
  .mobile-theme-item{display:block;padding-top:8px;margin-top:6px;border-top:1px solid var(--line)}
  .mobile-theme-item .theme-toggle{display:inline-flex;width:100%;justify-content:center;height:48px}
  .hero-layout{grid-template-columns:1fr}
  .hero h1{max-width:18ch}
  .hero-art{width:min(300px,80%)}
  .about-grid,.location-grid,.registration-grid{grid-template-columns:1fr}
  .topic-card{flex-basis:calc((100% - 20px)/2)}
  .speaker{flex-basis:calc((100% - 20px)/2)}
  .contact-info{grid-template-columns:1fr}
}
@media (max-width:760px){
  .services-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{width:calc(100% - 32px)}
  .nav{min-height:64px}
  .logo{font-size:18px}
  .logo-img{width:38px;height:38px}
  .header-register{padding:0 14px;font-size:13px;min-height:40px}
  .hide-sm{display:none}
  .announcement-inner{font-size:13.5px;gap:10px}
  .hero-art{display:none}
  .hero-visual{justify-items:stretch}
  .next-event-card{margin-top:0;width:100%}
  .event-hero{min-height:auto}
  .event-hero-shade{background:linear-gradient(180deg,rgba(5,12,22,.82),rgba(5,12,22,.92))}
  .event-actions .btn{flex:1 1 auto}
  .event-actions .btn-icon{flex:0 0 50px}
  .event-actions .calendar-picker{flex:1 1 auto}
  .event-actions .calendar-picker .btn{width:100%}
  .countdown{gap:8px}
  .cd-unit{min-width:0;flex:1;padding:12px 4px 10px}
  .cd-unit span{font-size:10px;letter-spacing:.08em}
  .scroll-cue{display:none}
  .event-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .fact{padding:18px}
  .fact strong{font-size:15.5px}
  .topic-card{flex-basis:100%;min-height:0}
  .speaker{flex-basis:100%}
  .agenda-timeline{padding-left:28px}
  .agenda-timeline li{grid-template-columns:1fr;gap:4px;padding:14px 18px}
  .agenda-timeline li::before{left:-25px}
  .agenda-timeline::before,.agenda-timeline::after{left:6px}
  .logo-grid,.logo-grid.three{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .logo-card{height:104px;padding:16px}
  .logo-grid.three li:last-child{grid-column:1/-1;width:calc(50% - 6px);justify-self:center}
  .logo-card img{max-height:58px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .carousel-pause{display:none}
  .whatsapp-float{width:56px;height:56px;right:16px;bottom:16px}
  .whatsapp-float svg{width:30px;height:30px}
  .whatsapp-tooltip{display:none}
  .toast{bottom:88px}
  body{padding-bottom:12px}
  .site-footer{padding-bottom:96px}
}
@media (max-width:520px){
  .header-register{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}