/* ==========================================================
   Archivo: /assets/css/style.css
   Summit 360 — Comunicación Política
   Sistema de diseño: navy editorial + acento lima, motivo de
   "cumbre" (picos) como divisor estructural entre secciones.
   ========================================================== */

:root {
  /* Color */
  --navy-950: #0A1628;
  --navy-900: #0E1E33;
  --navy-800: #16304F;
  --navy-700: #1E3E63;
  --lime: #D9E021;
  --lime-dim: #C3CA1D;
  --white: #FFFFFF;
  --ink: #0A1628;
  --gray-200: #C7CDD6;
  --gray-400: #8A93A3;
  --gray-100: #F4F5F0;

  /* Type */
  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Work Sans', Arial, sans-serif;

  /* Layout */
  --container-w: 1240px;
  --peak-h: 64px;
  --radius-s: 4px;
  --radius-m: 10px;

  /* Motion */
  --ease: cubic-bezier(.22,.9,.32,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--navy-950);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

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

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: .01em;
  margin: 0;
}

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

/* ==========================================================
   Botones
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 30px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--radius-s);
  border: none;
  transition: transform .2s var(--ease), background-color .2s var(--ease), box-shadow .2s var(--ease);
  min-height: 48px;
}
.btn-lime {
  background: var(--lime);
  color: var(--navy-950);
}
.btn-lime:hover { background: var(--white); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--navy-950); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ==========================================================
   Header
   ========================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: padding .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
  background: transparent;
}
.site-header.is-scrolled {
  padding: 12px 0;
  background: rgba(10, 22, 40, .92);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo img { height: 40px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 36px; }
.site-nav a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white);
  position: relative;
  padding-bottom: 4px;
}
.site-nav a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--lime);
  transition: width .25s var(--ease);
}
.site-nav a:hover::after, .site-nav a.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.hamburger span { width: 26px; height: 2px; background: var(--white); transition: transform .25s var(--ease), opacity .25s var(--ease); }
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0;
  background: var(--navy-950);
  z-index: 99;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 28px;
  transform: translateY(-100%);
  transition: transform .35s var(--ease);
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav a { font-family: var(--font-display); font-size: 28px; text-transform: uppercase; color: var(--white); }

/* ==========================================================
   Social rail
   ========================================================== */
.social-rail {
  position: fixed;
  left: 24px; top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  display: flex; flex-direction: column; gap: 16px;
}
.social-rail a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.social-rail a:hover { background: var(--lime); border-color: var(--lime); color: var(--navy-950); }
.social-rail svg { width: 16px; height: 16px; fill: currentColor; }
@media (max-width: 900px) {
  .social-rail { left: auto; right: 14px; top: auto; bottom: 14px; transform: none; flex-direction: row; gap: 10px; }
  .social-rail a { width: 34px; height: 34px; background: rgba(10,22,40,.7); }
}

/* ==========================================================
   Hero
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 120px;
  background: var(--navy-950);
  /*background: url(https://summitcompolec.com/assets/images/general/hero-img-2.jpg);*/
  overflow: hidden;
}
.hero::before {
  /* peak silhouette motif, echoing the Summit 360 mark */
  content: '';
  position: absolute;
  right: -10%;
  bottom: -6%;
  width: 70%;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(217,224,33,.05));
  clip-path: polygon(0% 100%, 18% 40%, 32% 62%, 48% 18%, 62% 52%, 78% 8%, 100% 46%, 100% 100%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-copy .eyebrow { display: block; margin-bottom: 18px; }
.hero-copy h1 {
  font-size: clamp(40px, 6vw, 76px);
  color: var(--white);
  opacity: 0;
  transform: translateY(24px);
  animation: heroIn .8s var(--ease) .1s forwards;
}
.hero-copy h1 .accent { color: var(--lime); }
.hero-copy p.lede {
  margin: 24px 0 34px;
  max-width: 480px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray-200);
  opacity: 0;
  transform: translateY(24px);
  animation: heroIn .8s var(--ease) .28s forwards;
}
.hero-copy .hero-cta { opacity: 0; transform: translateY(24px); animation: heroIn .8s var(--ease) .46s forwards; display: flex; gap: 16px; flex-wrap: wrap; }
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }

.hero-countdown {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-m);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-countdown .eyebrow { display: block; margin-bottom: 16px; }
.countdown-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.countdown-cell { text-align: center; background: rgba(10,22,40,.5); border-radius: var(--radius-s); padding: 14px 4px; }
.countdown-cell strong { display: block; font-family: var(--font-display); font-size: clamp(24px, 3.4vw, 34px); color: var(--lime); }
.countdown-cell span { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--gray-400); }
.countdown-started { font-family: var(--font-display); font-size: 20px; color: var(--lime); text-transform: uppercase; }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero { padding: 120px 0 90px; text-align: left; }
}

/* ==========================================================
   Info blocks (3 cuadros)
   ========================================================== */
.info-blocks {
  position: relative;
  margin-top: -70px;
  z-index: 3;
}
.info-blocks .container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.info-card {
  background: var(--lime);
  color: var(--ink);
  padding: 34px 28px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  opacity: 0;
  transform: translateY(30px);
}
.info-card.is-visible { opacity: 1; transform: translateY(0); }
.info-card:nth-child(2) { background: var(--navy-800); color: var(--white); }
.info-card:hover { transform: translateY(-6px); box-shadow: 0 18px 34px rgba(0,0,0,.28); }
.info-card .icon { width: 34px; height: 34px; margin-bottom: 18px; }
.info-card h3 { font-size: 20px; margin-bottom: 10px; }
.info-card p { font-size: 14px; line-height: 1.6; margin: 0; opacity: .85; }
.info-card .more { margin-top: 18px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 6px; }

@media (max-width: 900px) {
  .info-blocks .container { grid-template-columns: 1fr; }
  .info-blocks { margin-top: -40px; }
}

/* ==========================================================
   Peak divider (signature structural element)
   ========================================================== */
.peak-divider {
  height: var(--peak-h);
  width: 100%;
}
.peak-divider.to-navy { background: var(--navy-950); clip-path: polygon(0 100%, 12% 20%, 25% 60%, 38% 0%, 52% 45%, 66% 10%, 80% 55%, 100% 15%, 100% 100%); }
.peak-divider.to-lime { background: var(--lime); clip-path: polygon(0 100%, 12% 20%, 25% 60%, 38% 0%, 52% 45%, 66% 10%, 80% 55%, 100% 15%, 100% 100%); }

/* ==========================================================
   Bienvenida
   ========================================================== */
.welcome {
  position: relative;
  padding: 120px 0;
   background: url(https://summitcompolec.com/assets/images/general/orador-sec.jpg);
}
.welcome-panel {
  max-width: 780px;
  background: rgba(10,22,40,.55);
  border: 1px solid rgba(217,224,33,.25);
  border-radius: var(--radius-m);
  padding: 48px;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.welcome-panel.is-visible { opacity: 1; transform: translateY(0); }
.welcome h2 { font-size: clamp(28px, 4vw, 42px); color: var(--white); margin-bottom: 22px; }
.welcome h2 .accent { color: var(--lime); }
.welcome p { color: var(--gray-200); font-size: 15.5px; line-height: 1.8; margin: 0 0 16px; }
.welcome .badges { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; align-items: center; }
.welcome .badges a { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--navy-950); background: var(--white); padding: 12px 18px; border-radius: var(--radius-s); transition: background .2s var(--ease); }
.welcome .badges a:hover { background: var(--lime); }

/* ==========================================================
   Speakers
   ========================================================== */
.speakers {
  position: relative;
  background: var(--lime);
  color: var(--ink);
  padding: 100px 0 120px;
  overflow: hidden;
}
.speakers-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.speakers-heading h2 { font-size: clamp(30px, 4.4vw, 50px); }
.speakers .eyebrow { color: var(--navy-800); }
.speakers-heading p { max-width: 420px; font-size: 14.5px; line-height: 1.6; margin: 0; }

.speaker-track-wrap { position: relative; }
.speaker-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  scrollbar-width: none;
}
.speaker-track::-webkit-scrollbar { display: none; }
.speaker-card {
  scroll-snap-align: start;
  flex: 0 0 calc(((100% - 40px) / 3) * 0.6);
  background: transparent;
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  box-shadow: 0 10px 26px rgba(10,22,40,.14);
}
.speaker-card:hover { transform: translateY(-6px); }
.speaker-card img { width: 100%; height: auto; display: block; }  /* imagen completa, sin recorte */
.speaker-card .sp-info { padding: 16px 18px 20px; }
.speaker-card .sp-info h4 { font-family: var(--font-display); font-size: 17px; color: var(--white); text-transform: uppercase; margin: 0 0 4px; letter-spacing: .01em; line-height: 1.1; }
.speaker-card .sp-info span { font-size: 11.5px; color: var(--lime); text-transform: uppercase; letter-spacing: .06em; }

.speaker-nav { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }
.speaker-nav button {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.speaker-nav button:hover { background: var(--ink); color: var(--lime); }
.speaker-nav svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.4; }


/* Flechas a los lados, centradas verticalmente sobre el carrusel */
.speaker-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--lime);
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(10,22,40,.22);
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.speaker-arrow:hover { background: var(--ink); color: var(--lime); }
.speaker-arrow:hover.speaker-arrow-prev { transform: translateY(-50%) translateX(-3px); }
.speaker-arrow:hover.speaker-arrow-next { transform: translateY(-50%) translateX(3px); }
.speaker-arrow svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.6; }
.speaker-arrow-prev { left: -22px; }
.speaker-arrow-next { right: -22px; }

/* En pantallas pequeñas, acercar las flechas para que no se salgan */
@media (max-width: 640px) {
  .speaker-arrow-prev { left: 6px; }
  .speaker-arrow-next { right: 6px; }
  .speaker-arrow { background: rgba(217,224,33,.92); }
}



.speakers-watermark {
  position: absolute;
  bottom: -6%; left: 50%; transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 22vw;
  color: rgba(10,22,40,.06);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

@media (max-width: 640px) {
  .speaker-card { flex-basis: 78%; }
}

/* ==========================================================
   Lugar y fecha
   ========================================================== */
.venue {
  padding: 110px 0;
  background: var(--navy-950);
  position: relative;
}
.venue .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.venue h2 { font-size: clamp(30px, 4.4vw, 48px); margin-bottom: 26px; }
.venue-detail { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.venue-detail:last-of-type { border-bottom: none; }
.venue-detail .label { width: 110px; flex-shrink: 0; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--lime); padding-top: 3px; }
.venue-detail .value { font-size: 16px; color: var(--white); line-height: 1.5; }
.venue-map {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  min-height: 340px;
}
.venue-map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }
.venue-actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .venue .container { grid-template-columns: 1fr; }
}

/* ==========================================================
   Formulario de registro
   ========================================================== */
.register {
  position: relative;
  background: linear-gradient(120deg, var(--navy-950) 45%, var(--lime) 45%);
  padding: 110px 0;
  overflow: hidden;
}
.register .container { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch; }
.register-form-wrap {
  background: var(--navy-900);
  border: 1px solid rgba(217,224,33,.2);
  border-radius: var(--radius-m);
  padding: 44px;
  position: relative;
  z-index: 2;
}
.register-form-wrap .eyebrow { display: block; margin-bottom: 10px; }
.register-form-wrap h2 { font-size: clamp(26px, 3.6vw, 36px); margin-bottom: 26px; }

.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--gray-200); margin-bottom: 8px; }
.form-field input, .form-field textarea {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-s);
  padding: 14px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.form-field input::placeholder { color: var(--gray-400); }
.form-field input:focus, .form-field textarea:focus { border-color: var(--lime); background: rgba(255,255,255,.09); outline: none; }
.form-field.has-error input { border-color: #ff6b6b; }
.form-error-msg { color: #ff9b9b; font-size: 12px; margin-top: 6px; display: none; }
.form-field.has-error .form-error-msg { display: block; }

.form-check { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 24px; }
.form-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--lime); }
.form-check label { font-size: 13px; color: var(--gray-200); line-height: 1.5; }
.form-check label a { color: var(--lime); text-decoration: underline; }

/* honeypot: oculto para humanos, visible para bots */
.hp-field { position: absolute; left: -9999px; top: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }

.form-submit { width: 100%; position: relative; }
.form-submit .spinner { display: none; width: 16px; height: 16px; border: 2px solid rgba(10,22,40,.3); border-top-color: var(--navy-950); border-radius: 50%; animation: spin .7s linear infinite; }
.form-submit.is-loading .spinner { display: inline-block; }
.form-submit.is-loading .btn-label::after { content: 'ENVIANDO...'; }
.form-submit .btn-label { display: inline; }
.form-submit.is-loading .btn-label { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-feedback {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-s);
  font-size: 14px;
  display: none;
}
.form-feedback.show { display: block; }
.form-feedback.success { background: rgba(217,224,33,.15); border: 1px solid var(--lime); color: var(--lime); }
.form-feedback.error { background: rgba(255,107,107,.12); border: 1px solid #ff6b6b; color: #ff9b9b; }

.register-visual {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px 0 44px 56px;
  color: var(--ink);
}
.register-visual .eyebrow { color: var(--navy-800); }
.register-visual h3 { font-size: clamp(24px, 3vw, 34px); color: var(--ink); margin: 14px 0 16px; }
.register-visual p { font-size: 14.5px; line-height: 1.7; max-width: 340px; }
.register-visual .contact-block { margin-top: 30px; font-size: 13.5px; line-height: 1.9; }
.register-visual .contact-block strong { display: block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; opacity: .7; margin-top: 14px; }

@media (max-width: 900px) {
  .register { background: var(--navy-950); }
  .register .container { grid-template-columns: 1fr; }
  .register-visual { padding: 0 0 40px; color: var(--white); }
  .register-visual h3, .register-visual .eyebrow { color: var(--lime); }
  .register-visual p { color: var(--gray-200); }
}

/* ==========================================================
   Success overlay
   ========================================================== */
.success-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,22,40,.96);
  display: none;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 24px;
}
.success-overlay.is-open { display: flex; }
.success-overlay .box { max-width: 420px; }
.success-overlay .check {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--lime);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  animation: pop .4s var(--ease);
}
@keyframes pop { from { transform: scale(0); } to { transform: scale(1); } }
.success-overlay h3 { font-size: 30px; color: var(--white); margin-bottom: 14px; }
.success-overlay p { color: var(--gray-200); font-size: 15px; line-height: 1.6; margin-bottom: 28px; }

/* ==========================================================
   Footer
   ========================================================== */
.site-footer {
  background: var(--navy-950);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 50px 0 30px;
}
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.site-footer .foot-logo img { height: 34px; }
.site-footer nav { display: flex; gap: 26px; flex-wrap: wrap; }
.site-footer nav a { font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--gray-400); }
.site-footer nav a:hover { color: var(--lime); }
.site-footer .copyright { width: 100%; margin-top: 30px; font-size: 12px; color: var(--gray-400); text-align: center; border-top: 1px solid rgba(255,255,255,.06); padding-top: 22px; }

/* ==========================================================
   Scroll reveal utility
   ========================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================
   Responsive: header / nav switching
   ========================================================== */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
}