/* ==========================================================================
   MDIS 2027 — Med Device Inventory Symposium
   Stylesheet
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "TT Firs Neue";
  src: url("../assets/fonts/TTFirsNeue-Light.woff2") format("woff2"),
       url("../assets/fonts/TTFirsNeue-Light.woff") format("woff");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "TT Firs Neue";
  src: url("../assets/fonts/TTFirsNeue-Regular.woff2") format("woff2"),
       url("../assets/fonts/TTFirsNeue-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "TT Firs Neue";
  src: url("../assets/fonts/TTFirsNeue-Medium.woff2") format("woff2"),
       url("../assets/fonts/TTFirsNeue-Medium.woff") format("woff");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "TT Firs Neue";
  src: url("../assets/fonts/TTFirsNeue-DemiBold.woff2") format("woff2"),
       url("../assets/fonts/TTFirsNeue-DemiBold.woff") format("woff");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --teal: #00a79d;
  --teal-deep: #00857d;
  --teal-soft: #e6f6f4;
  --slate: #364155;
  --slate-deep: #283142;
  --slate-ink: #1d2533;
  --white: #ffffff;
  --paper: #fbfcfd;
  --mist: #f3f6f8;
  --line: #e4e9ee;
  --muted: #6a7585;
  --muted-soft: #93a0b0;

  --ink: var(--slate);
  --bg: var(--white);

  --shell: clamp(1.1rem, 4vw, 4rem);
  --maxw: 1200px;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-xl: 40px;
  --r-pill: 999px;

  --shadow-sm: 0 2px 10px rgba(36, 49, 66, 0.06);
  --shadow-md: 0 18px 50px -22px rgba(36, 49, 66, 0.32);
  --shadow-lg: 0 40px 90px -40px rgba(36, 49, 66, 0.45);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

  --header-h: 76px;

  --font: "TT Firs Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* slider tuning */
  --mq-card-w:clamp(280px,42vw,520px);
  --mq-gap:clamp(14px,2.4vw,30px);
  --mq-side-scale:0.84;
  --mq-side-opacity:0.5;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  letter-spacing: 0.002em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

/* ---------- Typography scale ---------- */
h1, h2, h3 {
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.022em;
}
h2 { font-size: clamp(1.85rem, 4.4vw, 3.25rem); font-weight: 300; }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.7rem); font-weight: 500; }
em { font-style: normal; color: var(--teal); }

.accent { color: var(--teal); }
.on-dark { color: var(--white); }

.kicker {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 1rem;
}
.kicker--light { color: #7fd8d1; }

.lede {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  font-weight: 300;
  color: var(--slate);
  line-height: 1.5;
}
.section-sub {
  max-width: 60ch;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.05rem;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--shell);
}
.section { padding-block: clamp(4.5rem, 9vw, 8.5rem); position: relative; }
.section-head { max-width: 56ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__icon { display: table; margin: 0 auto 2rem; }
.section-head--left { margin-inline: 0; }
.section-head--centered { margin-inline: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  padding: 0.7rem 1.4rem;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  line-height: 1;
  transition: transform 0.35s var(--ease), background 0.3s var(--ease),
    color 0.3s var(--ease), box-shadow 0.35s var(--ease), border-color 0.3s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--solid {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 12px 30px -14px rgba(0, 167, 157, 0.8);
}
.btn--solid:hover { background: var(--teal-deep); box-shadow: 0 18px 38px -14px rgba(0, 167, 157, 0.9); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.16); }
.btn--line {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--line:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }
.btn--lg { padding: 0.95rem 1.9rem; font-size: 1.02rem; }
.btn--icon { width: 18px; height: 18px; }


.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
  color: var(--teal-deep);
  border-bottom: 1px solid transparent;
  transition: gap 0.3s var(--ease), border-color 0.3s var(--ease);
}
.text-link span { transition: transform 0.3s var(--ease); }
.text-link:hover { gap: 0.7rem; border-color: var(--teal); }
.text-link:hover span { transform: translateX(3px); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1000;
  background: var(--slate);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: var(--r-sm);
  transition: top 0.25s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease);
}
.nav-wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0.9rem var(--shell);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo { height: 34px; width: auto; transition: opacity 0.35s var(--ease); }
.brand-logo--light { display: none; }

.site-header[data-state="scrolled"] {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 1px 0 var(--line), var(--shadow-sm);
}
.site-header[data-state="scrolled"] .brand-logo--dark { display: none; }
.site-header[data-state="scrolled"] .brand-logo--light { display: block; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}
.primary-nav a {
  position: relative;
  padding: 0.5rem 0.85rem;
  font-size: 0.93rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.86);
  border-radius: var(--r-pill);
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.28rem;
  height: 1.5px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.primary-nav a:hover { color: var(--white); }
.primary-nav a.is-active::after { transform: scaleX(1); }
.site-header[data-state="scrolled"] .primary-nav a { color: var(--slate); }
.site-header[data-state="scrolled"] .primary-nav a:hover { color: var(--slate-ink); background: var(--mist); }
.site-header[data-state="scrolled"] .primary-nav a.is-active { color: var(--teal-deep); }

.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.site-header[data-state="scrolled"] .nav-actions .btn--ghost { color: var(--slate); border-color: var(--line); background: var(--white); }
.site-header[data-state="scrolled"] .nav-actions .btn--ghost:hover { background: var(--mist); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease), background 0.3s var(--ease);
}
.site-header[data-state="scrolled"] .nav-toggle span { background: var(--slate); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile nav ---------- */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 880;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.5rem var(--shell) 2.5rem;
  transform: translateY(-8px);
  opacity: 0;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav.is-open { opacity: 1; transform: translateY(0); }
.mobile-nav nav { display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav nav a {
  padding: 0.95rem 0.5rem;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
}
.mobile-nav nav a.btn { margin-top: 1.4rem; border-bottom: none; justify-content: center; color: var(--white); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-img {
  position: absolute;
  inset: -12% 0 0 0;
  height: 124%;
  background: var(--slate-deep) url("../assets/img/don-cesar-hero.jpg") center 30% / cover no-repeat;
  will-change: transform;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(#101e33cc, #101e33cc),
    linear-gradient(180deg, rgba(29, 37, 51, 0.42) 0%, rgba(29, 37, 51, 0.08) 32%, rgba(29, 37, 51, 0.66) 100%),
    radial-gradient(120% 90% at 20% 100%, rgba(0, 133, 125, 0.34) 0%, transparent 60%);
}
.hero-inner { position: relative; z-index: 1; width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--shell); }
.hero-eyebrow { display: inline-flex; }
.rebrand-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.95rem 0.45rem 0.7rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--r-pill);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.chip-atom { width: 20px; height: 20px; color: var(--white); }
.hero-title {
  margin-top: 1.5rem;
  font-size: clamp(2.5rem, 6.6vw, 5.3rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.hero-sub {
  margin-top: 1.6rem;
  max-width: 50ch;
  font-size: clamp(1.05rem, 1.9vw, 1.35rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}
.hero-meta { display: flex; align-items: center; gap: 1.5rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero-meta__item { display: flex; flex-direction: column; gap: 0.2rem; }
.hero-meta__k { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); }
.hero-meta__v { font-size: 1.05rem; font-weight: 500; }
.hero-meta__divider { width: 1px; height: 38px; background: rgba(255, 255, 255, 0.28); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.4rem; }
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: -1.4rem;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  height: 46px;
}
.hero-scroll__line {
  display: block;
  width: 1.5px;
  height: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), var(--white));
  border-radius: 2px;
  animation: scrollPulse 2.2s var(--ease-soft) infinite;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0.3); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0.3); transform-origin: bottom; opacity: 0.4; }
}

/* ---------- Trust marquee ---------- */
.trust { padding-block: clamp(2.5rem, 5vw, 4rem); background: var(--paper); border-bottom: 1px solid var(--line); }
.trust-label {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin-bottom: 1.8rem;
}
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  width: max-content;
  animation: marquee 50s linear infinite;
}
.marquee--slow .marquee-track { animation-duration: 38s; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--slate);
  opacity: 0.5;
  white-space: nowrap;
  transition: opacity 0.3s var(--ease);
}
.marquee-track span:hover { opacity: 1; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- About ---------- */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.about-copy h2 { margin-bottom: 1.4rem; }
.about-copy .lede { margin-bottom: 1.2rem; }
.about-copy p { color: var(--muted); margin-bottom: 1.2rem; }
.about-copy p strong { color: var(--slate); font-weight: 600; }
.about-visual { position: relative; }
.about-visual-image { position: absolute; inset: 0; height: 100%; width: 100%; object-fit: cover; }
.constellation-card {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 2.5rem;
  background: radial-gradient(120% 120% at 30% 20%, var(--teal-soft), var(--mist));
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.constellation { width: 78%; height: auto; }
.constellation .c-core { fill: var(--teal); }
.constellation .c-orbits circle { fill: var(--slate); opacity: 0.35; }
.constellation .c-nodes circle { fill: var(--slate); }
.constellation .c-orbits circle { animation: twinkle 4s var(--ease-soft) infinite; }
.constellation .c-orbits circle:nth-child(3n) { animation-delay: 1.2s; }
.constellation .c-orbits circle:nth-child(3n+1) { animation-delay: 2.4s; }
@keyframes twinkle { 0%, 100% { opacity: 0.2; } 50% { opacity: 0.6; } }
.constellation-cap {
  position: absolute;
  left: 0; right: 0; bottom: 1.6rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate);
  padding-inline: 2rem;
}

/* ---------- Pillars (dark) ---------- */
.pillars { background: var(--slate); color: var(--white); }
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.pillar {
  position: relative;
  padding: 2rem 1.6rem 2.2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.45s var(--ease), background 0.45s var(--ease), border-color 0.45s var(--ease);
  outline: none;
}
.pillar:hover, .pillar:focus-visible {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(0, 167, 157, 0.5);
}
.pillar-index {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 1.4rem;
}
.pillar h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 500; margin-bottom: 0.7rem; }
.pillar p { color: rgba(255, 255, 255, 0.72); font-size: 0.96rem; }
.pillar-glow {
  position: absolute;
  inset: auto -40% -60% auto;
  width: 80%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 167, 157, 0.45), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}
.pillar:hover .pillar-glow, .pillar:focus-visible .pillar-glow { opacity: 1; }

/* ---------- Value ---------- */
.value { background: var(--paper); }
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.value-card {
  padding: 2rem 1.7rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.value-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--teal-soft);
  margin-bottom: 1.4rem;
}
.value-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--teal-deep); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.value-icon .vc-check, .value-icon .vc-line { stroke: var(--teal-deep); }
.value-icon .vc-dot { fill: var(--teal-deep); stroke: none; }
.value-card h3 { font-size: 1.22rem; margin-bottom: 0.6rem; }
.value-card p { color: var(--muted); font-size: 0.96rem; }
.value-positioning {
  text-align: center;
  padding: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.value-positioning p { font-size: clamp(1.3rem, 3vw, 2.1rem); font-weight: 300; color: var(--slate); }
.value-positioning .accent { font-weight: 500; }

/* ---------- Video ---------- */
.video-section { background: var(--white); }
.video-frame { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.video-aspect {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--slate), var(--slate-deep));
  overflow: hidden;
}
.video-poster {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  color: var(--white);
  background:
    radial-gradient(80% 80% at 50% 40%, rgba(0, 167, 157, 0.22), transparent 70%),
    url("../assets/img/video-poster.avif") no-repeat top center / cover;
  transition: background 0.5s var(--ease);
}
.video-poster:hover {
  background:
    radial-gradient(90% 90% at 50% 40%, rgba(0, 167, 157, 0.35), transparent 70%),
    url("../assets/img/video-poster.avif") no-repeat top center / cover;
}
.video-play {
  display: grid;
  place-items: center;
  width: 84px; height: 84px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.16);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}
.video-play svg { width: 30px; height: 30px; fill: var(--white); margin-left: 4px; }
.video-poster:hover .video-play { transform: scale(1.08); background: rgba(255, 255, 255, 0.24); }

/* ---------- Speakers ---------- */
.speakers { background: var(--paper); }
.keynote {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
}
.keynote-photo { position: relative; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4 / 5; }
.keynote-photo img { width: 100%; height: 100%; object-fit: cover; }
.keynote-badge {
  position: absolute;
  left: 1rem; top: 1rem;
  padding: 0.4rem 0.85rem;
  background: var(--teal);
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--r-pill);
}
.keynote-copy h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin: 0.4rem 0 0.6rem; }
.keynote-role { color: var(--teal-deep); font-weight: 500; margin-bottom: 1.1rem; }
.keynote-copy > p { color: var(--muted); margin-bottom: 1rem; }
.keynote-agency { font-size: 0.85rem; color: var(--muted-soft); font-style: italic; }

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.speaker {
  text-align: left;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.4rem;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.speaker:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.speaker-photo {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 1.1rem;
  background: var(--mist);
}
.speaker-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.speaker-photo--initials {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--teal-soft), var(--mist));
}
.speaker-photo--initials::after {
  content: attr(data-initials);
  font-size: 2.6rem;
  font-weight: 500;
  color: var(--teal-deep);
  letter-spacing: 0.02em;
}
.speaker h4 { font-size: 1.1rem; font-weight: 500; margin-bottom: 0.3rem; }
.speaker-role { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.15rem; }
.speaker-co { font-size: 0.85rem; color: var(--teal-deep); font-weight: 500; }

/* ---------- Agenda (dark) ---------- */
.agenda { background: var(--slate-deep); color: var(--white); }
.agenda-list { display: grid; gap: 1.2rem; }
.agenda-day {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.agenda-day:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.agenda-day__date { display: flex; flex-direction: column; gap: 0.3rem; }
.ad-day { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal); font-weight: 600; }
.ad-num { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 300; }
.agenda-day__body h3 { font-weight: 500; margin-bottom: 0.6rem; }
.agenda-day__body p { color: rgba(255, 255, 255, 0.72); max-width: 60ch; }
.agenda-note { margin-top: 2rem; color: rgba(255, 255, 255, 0.6); font-size: 0.95rem; }

/* ---------- Venue ---------- */
.venue { background: var(--white); }
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
.venue-copy h2 { margin: 1.2rem 0 1.4rem; }
.venue-copy .lede { margin-bottom: 1.8rem; }
.venue-facts { display: grid; gap: 1rem; margin-bottom: 1.6rem; }
.venue-facts li { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.vf-k { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-soft); padding-top: 0.15rem; }
.vf-v { font-weight: 500; color: var(--slate); }
.vf-v a:hover { color: var(--teal-deep); }
.venue-note { color: var(--muted); font-size: 0.95rem; }
.venue-photo { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.venue-photo__img {
  aspect-ratio: 4 / 5;
  background: var(--slate-deep) url("../assets/img/don-cesar-hero.jpg") center / cover no-repeat;
}

/* ---------- Audience ---------- */
.audience { background: var(--paper); }
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  margin-bottom: 2.5rem;
}
.audience-col {
  padding: clamp(1.8rem, 3vw, 2.6rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.audience-col h3 { font-size: 1.35rem; margin-bottom: 1.4rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.audience-col ul { display: grid; gap: 0.9rem; }
.audience-col li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--muted);
}
.audience-col li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
}
.audience-line {
  text-align: center;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 300;
  color: var(--slate);
  max-width: 40ch;
  margin-inline: auto;
}

/* ---------- Sponsors ---------- */
.sponsors { background: var(--white); }
.sponsor-value {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.sv-item {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.sv-num { display: block; font-size: clamp(2.5rem, 5vw, 3.6rem); font-weight: 300; color: var(--teal); line-height: 1; margin-bottom: 0.6rem; }
.sv-label { color: var(--muted); font-size: 0.95rem; }
.sponsor-past-label {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin-bottom: 1.8rem;
}
.sponsor-cta { text-align: center; margin-top: clamp(2.5rem, 5vw, 4rem); }

/* ---------- Register (dark, hero-like) ---------- */
.register { position: relative; overflow: hidden; background: var(--slate); color: var(--white); padding-block: clamp(5rem, 9vw, 9rem); }
.register-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 90% at 80% 10%, rgba(0, 167, 157, 0.4), transparent 55%),
    radial-gradient(60% 80% at 10% 90%, rgba(0, 167, 157, 0.22), transparent 55%);
}
.register-inner { position: relative; z-index: 1; text-align: center; display: flex; flex-direction: column; align-items: center; }
.register-mark { width: 72px; margin-bottom: 1.8rem; }
.register-atom { width: 100%; height: auto; }
.register-atom .ra-orbits circle { fill: rgba(255, 255, 255, 0.55); }
.register-atom .ra-atom { fill: var(--white); }
.register-atom .ra-core { fill: var(--teal); }
.register-title { font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 300; margin-bottom: 1rem; }
.register-sub { max-width: 50ch; color: rgba(255, 255, 255, 0.82); font-size: 1.1rem; font-weight: 300; margin-bottom: 2.5rem; }
.countdown { display: flex; gap: clamp(1rem, 3vw, 2.5rem); margin-bottom: 2.5rem; }
.cd-unit { display: flex; flex-direction: column; gap: 0.4rem; min-width: 64px; }
.cd-num { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 300; line-height: 1; font-variant-numeric: tabular-nums; }
.cd-label { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255, 255, 255, 0.55); }
.register-fine { margin-top: 1.6rem; font-size: 0.92rem; color: rgba(255, 255, 255, 0.6); }

/* ---------- FAQ ---------- */
.faq { background: var(--paper); }
.faq-wrap { max-width: 820px; }
.faq-list { display: grid; gap: 0.9rem; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: var(--teal); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 1.5rem;
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--slate);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-mark {
  position: relative;
  flex-shrink: 0;
  width: 22px; height: 22px;
}
.faq-mark::before, .faq-mark::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--teal);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}
.faq-mark::before { width: 14px; height: 2px; }
.faq-mark::after { width: 2px; height: 14px; }
.faq-item[open] .faq-mark::after { transform: translate(-50%, -50%) scaleY(0); opacity: 0; }
.faq-body { padding: 0 1.5rem 1.4rem; }
.faq-body p { color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--slate-ink); color: rgba(255, 255, 255, 0.7); padding-block: clamp(3.5rem, 6vw, 5rem) 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 3rem;
}
.footer-logo { height: 120px; width: auto; margin-bottom: 1.2rem; }
.footer-tag { max-width: 32ch; font-size: 0.95rem; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255, 255, 255, 0.45); margin-bottom: 1.2rem; font-weight: 600; }
.footer-col a { display: block; padding: 0.4rem 0; font-size: 0.95rem; color: rgba(255, 255, 255, 0.72); transition: color 0.3s var(--ease); }
.footer-col a:hover { color: var(--teal); }
.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-sub { font-style: italic; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-reveal-delay="1"] { transition-delay: 0.08s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.16s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.24s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  :root { --header-h: 73px; }
  .primary-nav, .nav-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions { margin-left: auto; }
  .about-grid, .venue-grid, .keynote, .audience-grid { grid-template-columns: 1fr; }
  .keynote-photo { max-width: 360px; margin-inline: auto; }
  .sponsor-value { grid-template-columns: 1fr; }
  .agenda-day { grid-template-columns: 1fr; gap: 0.8rem; }
  .hero { align-items: center; padding-top: var(--header-h); }
  .mobile-nav { height: calc(100vh - var(--header-h)); }
  .nav-wrap { padding-right: 0.9rem; }
}

@media (max-width: 560px) {
  .pillar-grid, .value-grid, .speaker-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-meta__divider { display: none; }
  .countdown { gap: 0.8rem; }
  .cd-unit { min-width: 0; flex: 1; }
  .footer-bar { flex-direction: column; align-items: flex-start; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .hero-scroll__line { animation: none; }
  .constellation .c-orbits circle { animation: none; }
  .hero-img { transform: none !important; }
  * { scroll-behavior: auto !important; }
}

/* ---------- Quotes ---------- */
.quotes { padding-top: 0; background: var(--paper); }
.quotes .quotes-wrapper { margin-inline: calc(clamp(1.1rem, 4vw, 4rem) * -1); }
.mq *{box-sizing:border-box;}
.mq{
  font-family:var(--font);
  color:var(--slate);
  background:var(--paper);
  padding:clamp(3.5rem,7vw,6.5rem) 0;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.mq__inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--shell);
}

/* ---- Header (centered, above slider) ---- */
.mq__head{
  text-align:center;
  max-width:680px;
  margin:0 auto clamp(2.2rem,4vw,3.4rem);
}

.mq__icon{
  width:54px;height:54px;
  margin:0 auto 1.1rem;
  display:grid;place-items:center;
  border-radius:var(--r-pill);
  background:var(--teal-soft);
  color:var(--teal-deep);
}
.mq__icon svg{width:26px;height:26px;display:block;}

.mq__kicker{
  display:inline-block;
  font-size:0.78rem;
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--teal);
  margin:0 0 0.9rem;
}

.mq__title{
  /* MATCHES existing site h2 spec exactly */
  font-size:clamp(1.85rem,4.4vw,3.25rem);
  font-weight:300;
  line-height:1.06;
  letter-spacing:-0.022em;
  margin:0;
  color:var(--slate-ink);
}
.mq__title em{font-style:normal;color:var(--teal);}

.mq__sub{
  margin:1rem auto 0;
  max-width:560px;
  font-size:clamp(1rem,1.4vw,1.12rem);
  line-height:1.6;
  color:var(--muted);
}

/* ---- Footer (centered, below slider) ---- */
.mq__foot{
  text-align:center;
  max-width:620px;
  margin:clamp(2.2rem,4vw,3.2rem) auto 0;
}
.mq__foot p{
  margin:0 0 1.4rem;
  font-size:clamp(1rem,1.4vw,1.12rem);
  line-height:1.6;
  color:var(--muted);
}
.mq__cta{
  display:inline-flex;align-items:center;gap:0.55rem;
  padding:0.9rem 1.7rem;
  border-radius:var(--r-pill);
  background:var(--teal);
  color:var(--white);
  font-weight:500;
  font-size:1rem;
  text-decoration:none;
  border:none;cursor:pointer;
  transition:transform .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
  box-shadow:var(--shadow-md);
}
.mq__cta:hover{background:var(--teal-deep);transform:translateY(-2px);}
.mq__cta svg{width:18px;height:18px;}


/* ---- Card ---- */
.mq__card{
  display:flex;
  border-radius:var(--r-lg);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  /* outer (default) state: light, faded, smaller */
  opacity:var(--mq-side-opacity);
  transform:scale(var(--mq-side-scale));
  transform-origin:center center;
  transition:
          transform .85s var(--ease),
          opacity .85s var(--ease),
          background .85s var(--ease),
          box-shadow .85s var(--ease),
          border-color .85s var(--ease) !important;
}

.mq__cardInner{
  display:flex;
  flex-direction:column;
  width:100%;
  padding:clamp(1.6rem,3.2vw,3rem);
}

/* big decorative quote mark */
.mq__mark{ display: none;
  font-family:Georgia,"Times New Roman",serif;
  font-size:3.4rem;
  line-height:0.6;
  color:var(--teal);
  opacity:.45;
  margin:0 0 0.4rem;
  transition:color .85s var(--ease),opacity .85s var(--ease);
}

/* quote text — TOP aligned */
.mq__quote{
  margin:0;
  font-size:clamp(1.05rem,1.7vw,1.2rem);
  line-height:1.5;
  font-weight:400;
  letter-spacing:-0.012em;
  color:var(--slate);
  transition:color .85s var(--ease);
}

/* attribution group — pushed to BOTTOM (margin-top:auto) */
.mq__attr{
  margin-top:auto;
  padding-top:clamp(1.4rem,2.4vw,2rem);
  display:flex;
  flex-direction:column;
  gap:0.15rem;
}
.mq__name{
  font-weight:600;
  font-size:1rem;
  color:var(--slate-ink);
  transition:color .85s var(--ease);
}
.mq__role{
  font-size:0.9rem;
  color:var(--muted);
  transition:color .85s var(--ease);
}
.mq__logo{
  margin-top:0.7rem;
  font-weight:600;
  font-size:0.95rem;
  letter-spacing:0.01em;
  color:var(--teal-deep);
  transition:color .85s var(--ease);
}
.mq__logo__inner {
  max-height: 2.4rem;
}
.swiper-slide-active .mq__logo__inner {
  filter: brightness(0) invert(1);
}

/* ---- ACTIVE (center) state: dark + larger ---- */
.mq__card.swiper-slide-active{
  opacity:1;
  transform:scale(1);
  background:var(--slate-deep);
  border-color:var(--slate-deep);
  box-shadow:var(--shadow-lg);
}
.mq__card.swiper-slide-active .mq__quote{color:var(--white);}
.mq__card.swiper-slide-active .mq__name{color:var(--teal);}
.mq__card.swiper-slide-active .mq__role{color:var(--muted-soft);}
.mq__card.swiper-slide-active .mq__logo{color:#7fded6;}
.mq__card.swiper-slide-active .mq__mark{color:var(--teal);opacity:.9;}

/* ============================================================
   ARROWS (revealed on hover of an outer/side card)
   ============================================================ */
.mq__nav svg{width:20px;height:20px;}
.mq__nav--prev{left:clamp(.4rem,3vw,2.2rem);}
.mq__nav--next{right:clamp(.4rem,3vw,2.2rem);}
.mq__nav:hover{background:var(--teal);color:var(--white);border-color:var(--teal);}

/* show arrows when hovering the stage */
.mq__stage:hover .mq__nav,
.mq__stage.is-touched .mq__nav{
  opacity:1;
  pointer-events:auto;
  transform:translateY(-50%) scale(1);
}

/* ============================================================
   PAGINATION (radio-style dots)
   ============================================================ */
.mq__dots{
  display:flex;
  justify-content:center;
  gap:0.7rem;
  margin-top:clamp(1.6rem,3vw,2.4rem);
}
.mq__dot{
  width:11px;height:11px;
  padding:0;
  border-radius:var(--r-pill);
  border:2px solid var(--muted-soft);
  background:transparent;
  cursor:pointer;
  transition:border-color .4s var(--ease), background .4s var(--ease), transform .4s var(--ease), width .4s var(--ease);
}
.mq__dot:hover{border-color:var(--teal);}
.mq__dot.is-active{
  border-color:var(--teal);
  background:var(--teal);
  width:26px;
}

/* ============================================================
   RESPONSIVE  (design preserved; mobile becomes swipe-friendly)
   ============================================================ */
@media (max-width:760px){
  .mq{
    --mq-card-w:clamp(250px,80vw,360px);
    --mq-side-scale:0.88;
    --mq-side-opacity:0.45;
  }
  .mq__viewport{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%);
    touch-action:pan-y;
    cursor:grab;
  }
  .mq__viewport.is-dragging{cursor:grabbing;}
  /* arrows hidden on touch — swipe instead */
  .mq__nav{display:none;}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  .mq__track,
  .mq__card,
  .mq__nav,
  .mq__dot,
  .mq__cta,
  .mq__mark,
  .mq__quote,
  .mq__name,
  .mq__role,
  .mq__logo{transition-duration:.001ms !important;}
}

.swiper { --swiper-navigation-size: 20; padding-bottom: 100px; margin-bottom: clamp(2.2rem,4vw,3.2rem); }
.swiper::after, .swiper::before {
  content: " ";
  position: absolute;
  top: 0;
  bottom: 0;
  background: linear-gradient(90deg,rgba(251, 252, 253, 0) 0%, rgba(251, 252, 253, 1) 80%);
  width: 15%;
  height: 100%;
  z-index: 2;
}
.swiper::before {
  left: 0;
  background: linear-gradient(270deg,rgba(251, 252, 253, 0) 0%, rgba(251, 252, 253, 1) 80%);
}
.swiper::after {
  right: 0;
}
.swiper-slide {
  height: auto;
}
.swiper-button-next, .swiper-button-prev {
  margin-top: -50px;
  z-index:5;
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:var(--r-pill);
  background:var(--white);
  color:var(--slate);
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  cursor:pointer;
  opacity:0;
  transform:translateY(-50%) scale(.85);
  transition:opacity .35s var(--ease), transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
  ::slotted(svg), svg {
    height: 20px;
    width: 20px;
  }
}
.swiper:hover .swiper-button-prev, .swiper:hover .swiper-button-next {
  opacity:1;
  pointer-events:auto;
  transform: translateY(-50%) scale(1);
}
.swiper-button-prev:hover, .swiper-button-next:hover{background:var(--teal);color:var(--white);border-color:var(--teal);}

.swiper-horizontal>.swiper-pagination-bullets,.swiper-pagination-horizontal.swiper-pagination-bullets {
  .swiper-pagination-bullet {
    border: 2px solid;
    width: 11px;
    height: 11px;
    background: transparent;
    border-radius: var(--r-pill);
    transition: border-color .4s var(--ease), background .4s var(--ease), transform .4s var(--ease), width .4s var(--ease);
  }
  .swiper-pagination-bullet:hover {
    border-color: var(--teal-deep);
  }
  .swiper-pagination-bullet-active {
    border-color: var(--teal) !important;
    background: var(--teal);
    width: 26px;
  }
}
.quotes-line {
  text-align: center;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--muted);
  max-width: 620px;
  margin-inline: auto;
}
.quotes-cta {display: flex; justify-self: center; margin-top: 1.4rem; font-size: clamp(1rem,1.4vw,1.12rem);
}
@media (max-width:480px){
  .swiper::after, .swiper::before {
    width: 8%;
  }
  .swiper-button-next, .swiper-button-prev { display: none; }
  .mq__logo__inner { max-height: 2rem; max-width: 140px; }
}