styles2.css

/* css styles */

h2,
main.content h2,
#quarto-content h2 {
  color: #F5C36A;
}


/* ===== Global Dark Theme ===== */
body,
#quarto-content,
main.content {
  background-color: #01143E;  
  color: #E6ECF5;             
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: #FFFFFF;
}

/* Links */
a {
  color: #9DB8FF;
}

a:hover {
  color: #C7D6FF;
}

/* Navbar */
.navbar {
  background-color: #01143E;
}

/* Callouts / boxes */
.callout {
  background-color: #0A1F5E;
  color: #E6ECF5;
  border-color: #1F3C88;
}

/* Sidebar (TOC) */
.sidebar,
.margin-sidebar {
  background-color: #01143E;
  color: #E6ECF5;
}

.sidebar a {
  color: #9DB8FF;
}



/* ---------- NAV & HERO helpers ---------- */
:root { --nav-height: 56px; } 

body.nav-fixed main.content,
body.nav-fixed #quarto-document-content {
  padding-top: calc(var(--nav-height) + 1rem); 
}

html { scroll-padding-top: calc(var(--nav-height) + 0.75rem); }

.hero {
  width: 100vw;
  margin-left: calc(50% - 50vw); /* full-bleed */
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #01143E;
  box-sizing: border-box;

  padding-top: calc(var(--nav-height) + 1rem);
  padding-bottom: 2.25rem;
  overflow: visible;
}

/* Hero image: always fully visible, centered, and scales responsively */
.hero-img {
  max-width: 100%;
  max-height: calc(80vh - var(--nav-height)); 
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center; 
  display: block;
  -webkit-user-drag: none;
  user-drag: none;
}


@media (max-width: 700px) {
  .hero-img { max-height: calc(60vh - var(--nav-height)); }
  .hero { padding-top: calc(var(--nav-height) + 0.5rem); padding-bottom: 1.5rem; }
}

header.quarto-title-block {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
}

#quarto-header, .headroom, .navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3000;
  height: var(--nav-height);
  min-height: var(--nav-height);
  background-color: #01143E;
}

main.content { padding-top: 0; }


/* ============================
   HERO (centered, avoids navbar overlap)
   ============================ */

/* set this to your navbar height (adjust if your navbar is taller) */
:root {
  --nav-height: 56px;
}

/* full-bleed hero container */
.hero {
  width: 100vw;
  margin-left: calc(50% - 50vw); /* full-bleed */
  background-color: #01143E;

  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;

  /* reserve navbar space so hero content starts below fixed header */
  padding-top: calc(var(--nav-height) + 1rem);
  padding-bottom: 3rem; /* breathing room under image */

  /* do not hide the image — let it scale to fit */
  overflow: visible;
}

/* hero image: always fully visible and centered, avoids being clipped by nav */
.hero-img {
  max-width: 100%;
  /* visible area limited by viewport height minus navbar */
  max-height: calc(70vh - var(--nav-height));
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center center;
  display: block;

  -webkit-user-drag: none;
  user-drag: none;
}

/* slightly tighter on small screens */
@media (max-width: 700px) {
  .hero-img {
    max-height: calc(60vh - var(--nav-height));
  }

  .hero {
    padding-top: calc(var(--nav-height) + 0.5rem);
    padding-bottom: 2rem;
  }
}


/* Push page title below fixed navbar */
header.quarto-title-block {
  margin-top: 5rem; /* adjust to match navbar height */
}


/* Responsive: make hero shorter on smaller screens, keep image visible */
@media (max-width: 1200px) {
  .hero {
    height: 62vh;
    min-height: 300px;
  }
  .hero-img { max-height: 100%; }
}

@media (max-width: 700px) {
  .hero {
    height: 52vh;
    min-height: 260px;
  }
}
@media (max-width: 420px) {
  .hero { height: 44vh; }
}

/* making df image to the right */
.event-img-right {
  float: right;
  width: 280px;
  max-width: 40%;
  margin: 0 0 1rem 1.25rem;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.45);
}

@media (max-width: 700px) {
  .event-img-right {
    float: none;
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 auto 1rem;
  }
}


/* ===== Fixed navbar with solid background ===== */
#quarto-header,
.headroom,
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3000;

  background-color: #01143E;
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

/* Prevent content from hiding under navbar (adjust if your navbar is taller) */
main.content {
  padding-top: 5rem;
}

/* navbar text color */
.navbar .nav-link,
.navbar .navbar-brand,
.navbar .menu-text {
  color: #E6ECF5 !important;
}

.navbar .nav-link.active {
  color: #FFFFFF !important;
  text-decoration: underline;
}


/* ===== FIX SPONSORS IMAGE ===== */
.sponsors-full {
  width: 100%;
  margin-left: 0;
  padding: 2.5rem 0 3rem;
  text-align: center;
}

.sponsors-image-link {
  display: block;
}

.sponsors-full-image {
  display: block;
  width: 100%;
  max-width: 1200px;  /* ← key fix */
  height: auto;
  margin: 0 auto;     /* ← centers it */
}




/* ===== MAKE NAVBAR SIGN UP POP ===== */
.navbar a.nav-link[href*="signup"],
.navbar a.nav-link[href*="#signup"] {
  background-color: #e6b85c;   /* gold */
  color: #01143E !important;
  font-weight: 900;
  padding: 0.45rem 1.2rem;
  border-radius: 999px;
  margin-left: 0.6rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
  transition: transform 0.15s ease,
              box-shadow 0.15s ease,
              background-color 0.15s ease;
}

/* Hover / focus */
.navbar a.nav-link[href*="signup"]:hover,
.navbar a.nav-link[href*="#signup"]:hover {
  background-color: #f2cc77;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
  text-decoration: none;
}
@keyframes glow {
  0%   { box-shadow: 0 4px 14px rgba(0,0,0,0.3); }
  50%  { box-shadow: 0 6px 20px rgba(230,184,92,0.9); }
  100% { box-shadow: 0 4px 14px rgba(0,0,0,0.3); }
}

.navbar a.nav-link[href*="signup"],
.navbar a.nav-link[href*="#signup"] {
  animation: glow 2.5s ease-in-out infinite;
}


/* FAQ SECTION */
/* FAQ - details/summary styling */
.faq-list details {
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 0.25rem 0.55rem;                  /* less padding */
  margin: 0.45rem 0;                       /* tighter vertical spacing */
  background: rgba(255,255,255,0.045);     /* MUCH subtler than white */
  transition: background-color .14s ease,
              box-shadow .14s ease,
              transform .12s ease;
  overflow: hidden;
}


.faq-list details[open] {
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

/* summary layout */
.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.35rem;    /* tighter */
  font-size: 1rem;             /* slightly smaller */
  font-weight: 700;
  color: #9DB8FF;              /* softer blue */
}


/* remove default triangle on webkit and use our chevron */
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::marker { font-size: 0; } /* fallback */

/* add a chevron via pseudo element */
.faq-list summary::after {
  content: "▾";
  font-size: 1rem;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform .18s ease;
  color: rgba(255,255,255,0.55);
}


/* rotate chevron when open */
.faq-list details[open] > summary::after {
  transform: rotate(180deg);
}

/* answer body */
.faq-list details > *:not(summary) {
  padding: 0.5rem 0.35rem 0.7rem;  /* less padding */
  color: rgba(230,236,245,0.92);   /* match dark theme */
  line-height: 1.45;
  font-size: 0.97rem;
}


/* ===== FAQ two-column layout ===== */
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 0.9rem; /* row gap | column gap */
}


/* small screens: tighten spacing */
@media (max-width: 700px) {
  .faq-list summary { font-size: 1rem; }
  .faq-list details > *:not(summary) { font-size: 0.96rem; }
}
@media (max-width: 900px) {
  .faq-list {
    grid-template-columns: 1fr;
  }
}

/* Prevent grid items from stretching to the tallest item in the row */
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;

  /* <-- important: stop vertical stretching */
  align-items: start;
}

/* Make sure each details only grows to fit its content */
.faq-list details {
  height: auto;        /* avoid forced stretching */
  align-self: start;   /* explicit: top-align each card */
}

/* Optional: consistent collapsed height so things look tidy */
.faq-list details:not([open]) {
  min-height: 64px;    /* tweak this to taste (64–80px works well) */
  display: flex;
  flex-direction: column; /* keep summary at top and body flows below */
}



/* ===== Logo animations ===== */
.hero-img {
  opacity: 0;
  transform: translateY(20px) scale(0.995);

  /* first animation: fade in */
  animation:
    fadeInUp 800ms cubic-bezier(.22,.9,.32,1) forwards,
    idleBounce 5s ease-in-out infinite;

  /* delay idle bounce until fade finishes */
  animation-delay:
    300ms,
    1100ms; /* 300ms delay + 800ms fade */
}

/* Entrance */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Idle bounce */
@keyframes idleBounce {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-12px); }
  100% { transform: translateY(0); }
}

.hero-img {
  animation:
    fadeInUp 800ms cubic-bezier(.22,.9,.32,1) forwards,
    idleBounce 3.5s ease-in-out infinite;
}


/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .hero-img {
    animation: none;
    opacity: 1;
    transform: none;
  }
}


/* ===== Windowed section boxes ===== */
.section-box {
  max-width: 1100px;
  width: calc(100% - 4rem);
  margin: 3.5rem auto;
  padding: 3rem 3rem;

  background: linear-gradient(
    180deg,
    #010E2C 0%,
    #010A22 100%
  );

  border-radius: 12px;
  box-shadow:
    0 20px 50px rgba(0,0,0,0.6),
    inset 0 1px 0 rgba(255,255,255,0.03);

  color: #E6ECF5;
}

/* headings inside the box */
.section-box h2,
.section-box h3 {
  margin-top: 0;
  color: #F5C36A;
}

/* mobile spacing */
@media (max-width: 700px) {
  .section-box {
    width: calc(100% - 2rem);
    padding: 2rem 1.5rem;
  }
}

/* ===== Separate windowed boxes so they don't visually merge ===== */

/* make each card visually separate */
.section-box,
.section-box-light {
  position: relative;     /* create a new stacking context */
  isolation: isolate;     /* ensure box-shadow doesn't blend with neighbors */
  z-index: 0;
  border-radius: 12px;
  overflow: visible;      /* let shadows show */
  transition: transform .18s ease, box-shadow .18s ease;
}

/* add vertical breathing room between cards */
.section-box { margin: 3.5rem auto 2.25rem; }         /* smaller bottom gap */
.section-box-light { margin: 2.25rem auto 3.5rem; }   /* separate from neighbors */

/* soften heavy shadows so they look like distinct cards */
.section-box {
  box-shadow:
    0 18px 40px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.03);
}

/* lighter, higher card look for the light box so it "pops" */
.section-box-light {
  box-shadow:
    0 26px 80px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.6);
}

/* Optional small hover lift to emphasize separation on pointer devices */
@media (hover: hover) and (pointer: fine) {
  .section-box:hover,
  .section-box-light:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 90px rgba(0,0,0,0.38);
  }
}

/* If you still see a slight visual 'merge' at narrow widths, increase vertical gaps */
@media (max-width: 900px) {
  .section-box { margin-bottom: 2.75rem; }
  .section-box-light { margin-bottom: 2.75rem; }
}



/* ===== Light windowed section (Sponsors) ===== */
.section-box-light {
  max-width: 1100px;
  width: calc(100% - 4rem);
  margin: 3.5rem auto;
  padding: 3rem 3rem;

  background: #ffffff;
  color: #111;

  border-radius: 14px;
  box-shadow:
    0 24px 60px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.6);

  border: 1px solid rgba(0,0,0,0.08);
}

/* headings inside the light box */
.section-box-light h1,
.section-box-light h2,
.section-box-light h3 {
  color: #01143E; /* Duke blue */
}

/* links inside the light box */
.section-box-light a {
  color: #00539B;
}
.section-box-light a:hover {
  color: #003A6D;
}

/* mobile spacing */
@media (max-width: 700px) {
  .section-box-light {
    width: calc(100% - 2rem);
    padding: 2rem 1.5rem;
  }
}




/* ===== Scroll indicator ===== */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.85;
  text-decoration: none;
}

/* arrow */
.scroll-indicator .arrow {
  display: block;
  width: 14px;
  height: 14px;
  border-right: 2px solid #E6B85C;
  border-bottom: 2px solid #E6B85C;
  transform: rotate(45deg);
  animation: arrowBounce 2.2s ease-in-out infinite;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

/* hover / focus */
.scroll-indicator:hover .arrow,
.scroll-indicator:focus-visible .arrow {
  opacity: 1;
  transform: translateY(4px) rotate(45deg);
}

/* motion */
@keyframes arrowBounce {
  0%   { transform: translateY(0) rotate(45deg); opacity: 0.6; }
  50%  { transform: translateY(10px) rotate(45deg); opacity: 1; }
  100% { transform: translateY(0) rotate(45deg); opacity: 0.6; }
}





/* ===== Bubble Animations ===== */
.bubble {
  position: fixed;
  bottom: -20vh;              
  width: 120px;
  height: 120px;
  background-size: contain;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 100;
  animation-name: rise;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

/* left bubble */
.bubble-left {
  left: 20px;            
  background-image: url("icons/bubble1.png");
  animation-duration: 12s;     
  animation-delay: 0s;           
}

/* right bubble */
.bubble-right {
  right: 20px;               
  background-image: url("icons/bubble2.png");
  animation-duration: 18s;  
  animation-delay: 6s;           
  width: 90px;                 
  height: 90px;
}

/* vertical rise animation */
@keyframes rise {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  100% {
    transform: translateY(-140vh); 
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bubble {
    animation: none;
    display: none;
  }
}

/* Duke Blue for the "Important" label in callout-important */
.callout.callout-important .callout-title-container {
  color: #012169 !important;
}