/* ==========================================================================
   SUPER SUMMIT by ACATS — stylesheet
   ========================================================================== */

@font-face {
  font-family: "Sofia Condensed";
  src: url("../assets/fonts/SofiaSansExtraCondensed-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Sofia Condensed";
  src: url("../assets/fonts/SofiaSansExtraCondensed-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Sofia Condensed";
  src: url("../assets/fonts/SofiaSansExtraCondensed-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Sofia Condensed";
  src: url("../assets/fonts/SofiaSansExtraCondensed-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Sofia Condensed";
  src: url("../assets/fonts/SofiaSansExtraCondensed-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: "Sofia Condensed";
  src: url("../assets/fonts/SofiaSansExtraCondensed-Black.ttf") format("truetype");
  font-weight: 900;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  --orange: #FE911D;
  --orange-dark: #E4790A;
  --orange-light: #FFB25C;
  --navy-950: #060810;
  --navy-900: #0B0F17;
  --navy-800: #121826;
  --navy-700: #1B2333;
  --navy-600: #2A344A;
  --white: #FFFFFF;
  --gray-100: #F4F5F7;
  --gray-300: #C7CDD9;
  --gray-400: #9AA3B4;
  --gray-600: #5B6472;
  --gray-800: #2B3242;

  --font-display: "Sofia Condensed", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-w: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 20px 50px -20px rgba(0,0,0,0.35);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--navy-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; }
input { font: inherit; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 800px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  margin: 10px 0 18px;
  color: var(--navy-900);
}
.section-dark .section-title,
.section-form .section-title { color: var(--white); }

.section-text {
  font-size: 16px;
  color: var(--gray-600);
  max-width: 560px;
  margin-bottom: 14px;
}
.section-dark .section-text,
.section-form .section-text { color: var(--gray-300); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--orange);
}

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head .section-text { max-width: 640px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: var(--navy-950);
  box-shadow: 0 12px 30px -10px rgba(254,145,29,0.55);
}
.btn-primary:hover { background: var(--orange-light); transform: translateY(-2px); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border: 1.5px solid var(--navy-700);
}
.btn-outline:hover { border-color: var(--orange); color: var(--orange-dark); }
.btn-lg { padding: 17px 34px; font-size: 17px; }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Badges / pills ---------- */
.badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.badge-outline {
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--white);
  background: rgba(255,255,255,0.06);
}
.badge-soft {
  background: rgba(254,145,29,0.14);
  color: var(--orange);
  border: 1px solid rgba(254,145,29,0.35);
}

.concept-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.pill {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 1px;
  padding: 10px 20px;
  border-radius: 100px;
  border: 1px solid var(--navy-600);
  color: var(--gray-300);
}
.pill-accent { background: var(--orange); color: var(--navy-950); border-color: var(--orange); }

/* ---------- Layout helpers ---------- */
.section { padding: 96px 0; }
.section-dark { background: var(--navy-900); color: var(--white); }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.grid-2.align-center { align-items: center; }
.grid-2.align-start { align-items: start; }

.fine-print { font-size: 13.5px; color: var(--gray-400); margin-top: 8px; }
.fine-print.center { text-align: center; margin-top: 36px; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .25s ease, padding .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  background: rgba(6,8,16,0.92);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-logo { height: 34px; width: auto; }
.main-nav { display: flex; gap: 28px; }
.nav-link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--gray-300);
  transition: color .2s ease;
  position: relative;
}
.nav-link:hover { color: var(--white); }
.header-cta { display: flex; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
}
.nav-toggle span { display: block; height: 2px; background: var(--white); border-radius: 2px; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero-extended-bg {
  position: relative;
  overflow: hidden;
  background: var(--navy-950);
}
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: transparent;
  color: var(--white);
  padding-top: 110px;
}
.hero-bg {
  position: absolute;
  inset: -40px 0;
  background-size: cover;
  background-position: center 25%;
  opacity: 0.9;
  transform: scale(1.12);
}
.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  opacity: 1;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,8,16,0.55) 0%, rgba(6,8,16,0.08) 26%, rgba(6,8,16,0.08) 68%, rgba(6,8,16,0.85) 100%);
}
.hero-scrim-subtle {
  background: linear-gradient(180deg, rgba(6,8,16,0.35) 0%, rgba(6,8,16,0.5) 55%, var(--navy-900) 100%);
}
/* O fundo do hero se estende por trás da seção Sobre, esmaecendo até sólido */
.hero-scrim-extended {
  background: linear-gradient(180deg,
    rgba(6,8,16,0.55) 0%,
    rgba(6,8,16,0.08) 14%,
    rgba(6,8,16,0.08) 36%,
    rgba(6,8,16,0.5) 46%,
    var(--navy-900) 58%,
    var(--navy-900) 100%
  );
}
#sobre { background: transparent; }

.section-with-bg { position: relative; overflow: hidden; }
.section-with-bg > .container { position: relative; z-index: 2; }
.section-with-bg .hero-bg { opacity: 0.95; }
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: end;
  padding-bottom: 64px;
}
/* ---------- Glassmorphism ---------- */
.glass {
  background: rgba(20, 26, 40, 0.38);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 24px 60px -24px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.1);
}

.hero-content {
  padding: 40px 44px;
  border-radius: 24px;
}
.hero-logo { width: min(560px, 92%); height: auto; margin-bottom: 22px; }
.hero-lead { font-size: 19px; color: var(--gray-300); max-width: 520px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions.center { justify-content: center; }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--gray-400); max-width: 460px; }

.hero-countdown {
  justify-self: end;
  text-align: right;
  padding: 24px 26px;
  border-radius: 20px;
}
.countdown-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--orange);
  font-size: 13px;
  margin-bottom: 10px;
}
.countdown { display: flex; gap: 10px; }
.countdown-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-sm);
  padding: 12px 10px;
  min-width: 62px;
  text-align: center;
}
.countdown-box span {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  color: var(--white);
}
.countdown-box small {
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
}

.hero-stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255,255,255,0.12);
  background: rgba(6,8,16,0.55);
  backdrop-filter: blur(6px);
}
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 26px 24px;
}
.stat { text-align: center; border-right: 1px solid rgba(255,255,255,0.1); }
.stat:last-child { border-right: none; }
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3vw, 32px);
  color: var(--orange);
}
.stat span { font-size: 13px; color: var(--gray-300); text-transform: uppercase; letter-spacing: 0.5px; }

/* ==========================================================================
   SOBRE
   ========================================================================== */
.sobre-content { max-width: 720px; }

/* ==========================================================================
   PROFILE GRID (para quem é)
   ========================================================================== */
.profile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.profile-card {
  padding: 28px;
  border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.profile-card:hover { transform: translateY(-4px); border-color: rgba(254,145,29,0.5); }
.profile-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(254,145,29,0.12);
  color: var(--orange);
  margin-bottom: 16px;
}
.profile-icon svg { width: 24px; height: 24px; }
.profile-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 19px;
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.profile-card p { font-size: 14.5px; color: var(--gray-300); }

/* ==========================================================================
   STAGE GRID (palcos)
   ========================================================================== */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stage-card {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--navy-800);
  border: 1px solid var(--navy-700);
  transition: transform .2s ease, border-color .2s ease;
}
.stage-card:hover { transform: translateY(-4px); border-color: var(--orange); }
.stage-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 32px;
  color: var(--orange);
  margin-bottom: 10px;
}
.stage-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 20px;
  margin-bottom: 10px;
}
.stage-card p { font-size: 14.5px; color: var(--gray-300); }
.stage-card-note {
  background: linear-gradient(145deg, rgba(254,145,29,0.16), rgba(254,145,29,0.03));
  border: 1px dashed rgba(254,145,29,0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stage-card-note h3 { color: var(--white); }
.stage-card-note p { margin-bottom: 16px; }

/* ==========================================================================
   SPEAKERS
   ========================================================================== */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.speaker-card {
  display: flex;
  align-items: stretch;
  padding: 0;
  border-radius: var(--radius);
  background: var(--navy-800);
  border: 1px solid var(--navy-700);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.speaker-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.speaker-photo {
  flex: 0 0 42%;
  height: 320px;
  position: relative;
  background: var(--navy-900);
}
.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.speaker-body {
  flex: 1;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.speaker-talk {
  display: block;
  font-size: 13.5px;
  font-style: italic;
  color: var(--orange-dark);
  margin-bottom: 12px;
}
.speaker-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 21px;
  margin-bottom: 10px;
}
.speaker-card p { font-size: 14px; color: var(--gray-300); }

/* ==========================================================================
   LOCAL / MAP
   ========================================================================== */
.info-list { margin: 28px 0 32px; display: flex; flex-direction: column; gap: 20px; }
.info-list li { display: flex; gap: 16px; align-items: flex-start; }
.info-list svg { width: 26px; height: 26px; color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.info-list strong { display: block; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; font-size: 15.5px; }
.info-list span { font-size: 14px; color: var(--gray-300); }

.map-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--navy-700);
  aspect-ratio: 4 / 3.4;
}
.map-card iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.3) contrast(1.05); }

/* ==========================================================================
   FORM / INSCRIÇÃO
   ========================================================================== */
.section-form {
  position: relative;
  padding: 110px 0;
  color: var(--white);
  overflow: hidden;
}
.hero-bg-form { background-position: center; opacity: 0.9; }
.section-form .hero-scrim {
  background: linear-gradient(180deg, rgba(6,8,16,0.35) 0%, rgba(6,8,16,0.55) 100%);
}
.section-form .container { position: relative; z-index: 2; }

.form-benefits { display: flex; flex-direction: column; gap: 14px; margin-top: 26px; }
.form-benefit { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--gray-300); }
.form-benefit svg { width: 22px; height: 22px; color: var(--orange); flex-shrink: 0; }

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  color: var(--navy-900);
  box-shadow: var(--shadow-soft);
}

.form-card-simple { text-align: center; padding: 48px 36px; }
.cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(254,145,29,0.12);
  color: var(--orange-dark);
  margin-bottom: 20px;
}
.cta-icon svg { width: 28px; height: 28px; }
.form-card-simple h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 24px;
  margin-bottom: 10px;
}
.form-card-simple p { color: var(--gray-600); font-size: 15px; margin-bottom: 28px; }

.form-fineprint { text-align: center; font-size: 12.5px; color: var(--gray-400); margin-top: 14px; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--navy-800);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: 0.2px;
  color: var(--white);
}
.faq-icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--orange);
  transition: transform .25s ease;
}
.faq-icon::before { width: 16px; height: 2px; top: 7px; left: 0; }
.faq-icon::after { width: 2px; height: 16px; top: 0; left: 7px; }
.faq-item.is-open .faq-icon::after { transform: rotate(90deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.is-open .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 24px 22px; font-size: 14.5px; color: var(--gray-300); max-width: 640px; }

/* ==========================================================================
   CTA FINAL
   ========================================================================== */
.cta-final {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  padding: 90px 0;
  text-align: center;
}
.cta-final-inner {
  position: relative;
  z-index: 2;
}
.cta-final-inner h2 {
  color: var(--white);
  font-size: clamp(30px, 5vw, 52px);
  margin-bottom: 32px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--navy-950); color: var(--gray-300); padding: 70px 0 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--navy-700);
  flex-wrap: wrap;
}
.footer-brand { max-width: 300px; }
.footer-social { display: flex; gap: 12px; margin-top: 24px; }
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  transition: transform .2s ease;
}
.social-icon img { width: 100%; height: 100%; object-fit: contain; }
.social-icon:hover { transform: translateY(-2px) scale(1.06); }
.footer-org-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-acats-logo { width: 200px; height: auto; margin-bottom: 22px; }
.footer-address { font-size: 14px; line-height: 1.6; color: var(--gray-400); margin-bottom: 12px; }
.footer-website { display: inline-block; font-size: 14px; color: var(--gray-300); text-decoration: underline; text-underline-offset: 3px; }
.footer-website:hover { color: var(--orange); }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-size: 13px;
  color: var(--white);
  margin-bottom: 4px;
}
.footer-col a { font-size: 14px; color: var(--gray-400); transition: color .2s ease; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  padding: 22px 0;
  font-size: 12.5px;
  color: var(--gray-600);
  flex-wrap: wrap;
  gap: 8px;
}

/* ==========================================================================
   FLOATING CTA (mobile)
   ========================================================================== */
.floating-cta {
  display: none;
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  background: var(--orange);
  color: var(--navy-950);
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 15px 32px;
  border-radius: 100px;
  box-shadow: 0 14px 30px -8px rgba(254,145,29,0.6);
}

/* ==========================================================================
   SCROLL REVEAL — 3D entrance
   ========================================================================== */
.section, .cta-final, .site-header { perspective: 1400px; }
.reveal {
  opacity: 0;
  transform: translateY(50px) translateZ(-80px) rotateX(12deg);
  transform-origin: center bottom;
  transition: opacity .9s cubic-bezier(.16,.84,.44,1), transform .9s cubic-bezier(.16,.84,.44,1);
  will-change: transform, opacity;
}
.reveal.is-visible { opacity: 1; transform: translateY(0) translateZ(0) rotateX(0deg); }

/* Staggered delay for grids of cards revealing together */
.profile-grid .reveal:nth-child(2), .stage-grid .reveal:nth-child(2), .speakers-grid .reveal:nth-child(2) { transition-delay: .08s; }
.profile-grid .reveal:nth-child(3), .stage-grid .reveal:nth-child(3), .speakers-grid .reveal:nth-child(3) { transition-delay: .16s; }
.profile-grid .reveal:nth-child(4), .stage-grid .reveal:nth-child(4), .speakers-grid .reveal:nth-child(4) { transition-delay: .24s; }
.profile-grid .reveal:nth-child(5), .stage-grid .reveal:nth-child(5) { transition-delay: .32s; }
.profile-grid .reveal:nth-child(6), .stage-grid .reveal:nth-child(6) { transition-delay: .4s; }

/* ==========================================================================
   3D TILT — interactive cards (mouse-driven, pointer devices only)
   ========================================================================== */
.tilt-enabled { transform-style: preserve-3d; will-change: transform; }

/* ==========================================================================
   PARALLAX BACKGROUNDS
   ========================================================================== */
.hero-bg { will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: opacity .3s ease; transform: none !important; }
  .tilt-enabled { transition: none !important; transform: none !important; }
  .hero-bg { transform: none !important; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .profile-grid { grid-template-columns: repeat(2, 1fr); }
  .stage-grid { grid-template-columns: repeat(2, 1fr); }
  .speakers-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .hero-inner { grid-template-columns: 1fr; align-items: start; }
  .hero-countdown { justify-self: start; text-align: left; }
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding-top: 96px; }
  .hero-stats-grid { gap: 14px 0; }
  .stat { padding-bottom: 4px; }
  .profile-grid { grid-template-columns: 1fr; }
  .stage-grid { grid-template-columns: 1fr; }
  .countdown-box { min-width: 52px; padding: 10px 6px; }
  .countdown-box span { font-size: 20px; }
  .floating-cta { display: block; }
  .form-card { padding: 24px; }
  .footer-cols { gap: 36px; }
  .speaker-card { flex-direction: column; }
  .speaker-photo { flex: 0 0 auto; width: 100%; }
  .speaker-photo img { min-height: 320px; }
}

/* Mobile nav panel */
@media (max-width: 980px) {
  .main-nav.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 78%;
    max-width: 320px;
    background: var(--navy-950);
    padding: 100px 32px 32px;
    gap: 22px;
    box-shadow: -20px 0 50px rgba(0,0,0,0.4);
    z-index: 99;
  }
  .main-nav.is-open .nav-link { font-size: 17px; }
  .header-cta.is-open { display: flex; position: fixed; bottom: 32px; right: 32px; z-index: 100; }
}