/* =========================================================
   BMS College of Commerce and Management — Conference Site
   Fluid, responsive layout. Flexbox + CSS Grid, clamp()/vw/%
   ========================================================= */

:root{
  /* --- Color tokens --- */
  --navy-900:#0a1830;
  --navy-800:#0c1f3a;
  --navy-700:#122c52;
  --navy-600:#1c3d6b;
  --yellow-500:#ffc400;
  --yellow-400:#ffd633;
  --yellow-100:#fff3cc;
  --ink:#101623;
  --slate:#5b6472;
  --paper:#faf9f6;
  --paper-tint:#f2eee3;
  --white:#ffffff;
  --line: rgba(10,24,48,0.10);
  --line-light: rgba(255,255,255,0.14);

  /* --- Type --- */
  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  /* --- Fluid scale --- */
  --fs-h1: clamp(2rem, 1.3rem + 3.4vw, 3.6rem);
  --fs-h2: clamp(1.6rem, 1.2rem + 1.8vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem);
  --fs-body: clamp(1rem, 0.95rem + 0.2vw, 1.08rem);
  --gutter: clamp(1.25rem, 1rem + 2vw, 3rem);
  --section-pad: clamp(3rem, 2.2rem + 4vw, 6rem);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  font-size:var(--fs-body);
  color:var(--ink);
  /* background:var(--paper); */
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 0.6em;
  color:var(--navy-900);
}
p{ margin:0 0 1em; color:var(--slate); }
ul{ margin:0; padding:0; }

.wrap{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline: var(--gutter);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0.85em 1.8em;
  border-radius:999px;
  font-weight:700;
  font-size:0.95rem;
  border:2px solid transparent;
  transition:transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-yellow{ background:var(--yellow-500); color:var(--navy-900); }
.btn-yellow:hover{ background:var(--yellow-400); }
.btn-ghost{ border-color:var(--line-light); color:var(--white); }
.btn-ghost:hover{ border-color:var(--yellow-500); color:var(--yellow-500); }

/* ---------- Announcement bar ---------- */
.announce-bar{
  background:var(--ink);
  color:var(--yellow-400);
  overflow:hidden;
  white-space:nowrap;
  font-family:var(--font-mono);
  font-size:0.78rem;
  padding:0.5em 0;
}
.announce-track{
  display:inline-flex;
  gap:3rem;
  padding-left:100%;
  animation:marquee 28s linear infinite;
}
.announce-track span{ padding-right:3rem; }
@keyframes marquee{
  from{ transform:translateX(0); }
  to{ transform:translateX(-100%); }
}
@media (prefers-reduced-motion: reduce){
  .announce-track{ animation:none; padding-left:1rem; }
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,249,246,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-block:0.6rem;
  position:relative;
}
.brand-logo{ height:clamp(38px, 3vw + 24px, 54px); width:auto; }

.nav-toggle{ display:none; }
.nav-burger{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:0.4rem;
  z-index:60;
}
.nav-burger span{
  width:26px; height:3px; background:var(--navy-900); border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:clamp(0.8rem, 1.5vw, 1.8rem);
  flex-wrap:wrap;
}
.main-nav a{
  font-weight:600;
  font-size:0.92rem;
  color:var(--navy-800);
  padding:0.4em 0.2em;
  border-bottom:2px solid transparent;
  transition:border-color .2s ease, color .2s ease;
}
.main-nav a:hover{ border-color:var(--yellow-500); }
.main-nav a.nav-cta{
  background:var(--navy-900);
  color:var(--yellow-400);
  padding:0.55em 1.2em;
  border-radius:999px;
  border-bottom:none;
}
.main-nav a.nav-cta:hover{ background:var(--navy-700); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:var(--white);
  background-size:cover;
  background-position:center;
  background-color:var(--navy-900);
  padding-top:clamp(4rem, 6vw, 7rem);
  padding-bottom:clamp(2.5rem, 4vw, 4rem);
  overflow:hidden;
}
.hero-scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,24,48,0.55) 0%, rgba(10,24,48,0.86) 100%);
}
.hero-content{ 
  position:relative; 
  z-index:2; 
  max-width:100%; 
  width:100%;
}

.eyebrow{
  font-family:var(--font-mono);
  text-transform:uppercase;
  letter-spacing:0.14em;
  font-size:0.78rem;
  color:var(--yellow-400);
  margin-bottom:1em;
}
.eyebrow-dark{ color:var(--navy-600); }
.hero h1{
  font-size:var(--fs-h1);
  color:var(--white);
}
.hero-highlight{ color:var(--yellow-400); }
.hero-sub{
  color:rgba(255,255,255,0.85);
  font-size:clamp(0.95rem, 0.9rem + 0.3vw, 1.15rem);
  margin-bottom:1.8em;
}
.hero-actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.hero-partners{
  position:relative; z-index:2;
  margin-top:clamp(2.5rem, 5vw, 4.5rem);
  padding-top:1.5rem;
  border-top:1px solid var(--line-light);
}
.partners-label{
  display:block;
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:rgba(255,255,255,0.6);
  margin-bottom:1rem;
}
.partners-row{
  display:flex;
  flex-wrap:wrap;
  gap:clamp(0.8rem, 2vw, 1.5rem);
  align-items:center;
}
.partners-row img{
  height: clamp(60px, 4vw + 32px, 90px);
  width:auto;
  opacity:0.92;
}

/* ---------- Dates strip ---------- */
.dates-strip{
  background:var(--yellow-500);
  padding-block:clamp(1.5rem, 2vw, 2.2rem);
}
.dates-grid{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:clamp(1rem, 2vw, 1.5rem);
}
.date-card{
  text-align:center;
  padding-inline:0.5rem;
  border-left:1px solid rgba(10,24,48,0.18);
}
.date-card:first-child{ border-left:none; }
.date-icon{ font-size:1.6rem; display:block; margin-bottom:0.4rem; }
.date-card h4{
  font-family:var(--font-mono);
  font-size:0.95rem;
  color:var(--navy-900);
  margin-bottom:0.3em;
}
.date-card p{
  font-size:0.82rem;
  color:var(--navy-800);
  margin:0;
  font-weight:600;
}

/* ---------- Sections (generic) ---------- */
.section{ padding-block:var(--section-pad); }
.section-tint{ background:var(--paper-tint); }
.section-dark{
  background:var(--navy-900);
  color:var(--white);
}
.section-dark p{ color:rgba(255,255,255,0.72); }
.section-dark h2, .section-dark h3, .section-dark h4{ color:var(--white); }

.section-head{ max-width:760px; margin-bottom:clamp(2rem, 3vw, 3rem); }
.section-head h2{ font-size:var(--fs-h2); }
.section-intro{ font-size:1.05rem; }
.section-dark .section-intro{ color:rgba(255,255,255,0.78); }

/* ---------- About split blocks ---------- */
.split-block{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:clamp(2rem, 4vw, 4rem);
  align-items:center;
  padding-block:clamp(1.5rem, 3vw, 2.5rem);
  border-bottom:1px solid var(--line);
}
.split-block:last-child{ border-bottom:none; }
.split-block.reverse{ grid-template-columns:0.9fr 1.1fr; }
.split-block.reverse .split-media{ order:2; }
.split-media img{
  border-radius:14px;
  box-shadow:0 18px 40px -18px rgba(10,24,48,0.35);
}

/* ---------- Track cards ---------- */
.track-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:clamp(1.2rem, 2vw, 1.8rem);
}
.track-card{
  background:var(--navy-700);
  border:1px solid var(--line-light);
  border-radius:16px;
  padding:clamp(1.4rem, 2vw, 2rem);
  position:relative;
  transition:transform .2s ease, border-color .2s ease;
}
.track-card:hover{ transform:translateY(-4px); border-color:var(--yellow-500); }
.track-num{
  font-family:var(--font-mono);
  color:var(--yellow-500);
  font-size:0.85rem;
  display:block;
  margin-bottom:0.8em;
}
.track-card h4{ color:var(--white); font-size:1.15rem; }
.track-card p{ color:rgba(255,255,255,0.68); font-size:0.92rem; margin:0; }

/* ---------- Committee ---------- */
.group-title{
  font-size:1.15rem;
  margin-top:2.5em;
  margin-bottom:1em;
  padding-bottom:0.5em;
  border-bottom:2px solid var(--yellow-500);
  display:inline-block;
}
.people-grid{
  display:grid;
  gap:clamp(1rem, 2vw, 1.6rem);
  margin-bottom:1rem;
}
.people-grid-5{ grid-template-columns:repeat(5, 1fr); }
.people-grid-4{ grid-template-columns:repeat(4, 1fr); }
.people-grid-3{ grid-template-columns:repeat(3, 1fr); }
.people-grid-2{ grid-template-columns:repeat(2, 1fr); }
.people-grid-narrow{ max-width:760px; }

.person-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:14px;
  padding:1.2rem;
  text-align:center;
}

.person-card img{
  width:180px;
  height:220px;
  object-fit:cover;
  border-radius:10px;
  margin:0 auto 0.8em;
  border:3px solid var(--yellow-500);
}

.person-card h5{ margin-bottom:0.2em; font-size:1rem; }
.person-card p{ font-size:0.85rem; margin:0; }
.person-card-text{ text-align:left; }
.person-card-text h5{ font-size:1rem; }

/* ---------- Info cards (submission / publication) ---------- */
.info-card{
  background:var(--white);
  border:1px solid var(--line);
  border-left:4px solid var(--yellow-500);
  border-radius:10px;
  padding:clamp(1.4rem, 2vw, 2rem);
  margin-bottom:1.4rem;
}
.section-tint .info-card{ background:var(--white); }
.info-card h4{ font-size:1.1rem; }
.link-list li{ list-style:none; margin-bottom:0.5em; }
.link-list a, .external-link{
  color:var(--navy-700);
  font-weight:600;
  border-bottom:1px solid currentColor;
}
.spec-list{ padding-left:1.2em; color:var(--slate); }
.spec-list li{ list-style:disc; margin-bottom:0.4em; }

/* ---------- Registration tables ---------- */
.table-wrap{
  display:grid;
  gap:clamp(1.2rem, 2vw, 1.8rem);
  margin-bottom:2rem;
}
.fee-table{
  width:100%;
  border-collapse:collapse;
  background:var(--navy-800);
  border-radius:12px;
  overflow:hidden;
  font-size:0.92rem;
}
.fee-table caption{
  caption-side:top;
  text-align:left;
  font-family:var(--font-mono);
  color:var(--yellow-400);
  padding:0.9rem 1.2rem 0;
  font-size:0.85rem;
  letter-spacing:0.04em;
  text-transform:uppercase;
}
.fee-table th, .fee-table td{
  padding:0.75rem 1.2rem;
  text-align:left;
  border-bottom:1px solid var(--line-light);
  color:rgba(255,255,255,0.85);
}
.fee-table thead th{
  color:var(--yellow-500);
  font-family:var(--font-mono);
  font-weight:500;
  font-size:0.78rem;
  text-transform:uppercase;
}
.fee-table tbody tr:last-child td{ border-bottom:none; }
.reg-links{ display:flex; gap:1rem; flex-wrap:wrap; }

/* ---------- Gallery ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:1rem;
}
.gallery-grid img{ border-radius:12px; aspect-ratio:4/3; object-fit:cover; }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,0.75);
  padding-top:clamp(2.5rem, 4vw, 4rem);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom:2.5rem;
  border-bottom:1px solid rgba(255,255,255,0.12);
}
.footer-logo{ height:44px; margin-bottom:1rem; filter:brightness(0) invert(1); }
.footer-col h5{ color:var(--yellow-500); font-size:0.9rem; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:0.8em; font-family:var(--font-mono); font-weight:500;}
.footer-col p{ color:rgba(255,255,255,0.65); font-size:0.9rem; margin-bottom:0.5em; }
.footer-col a:hover{ color:var(--yellow-400); }
.footer-bottom{ text-align:center; padding-block:1.4rem; }
.footer-bottom p{ font-size:0.8rem; color:rgba(255,255,255,0.45); margin:0; }

/* =========================================================
   RESPONSIVE — tablet & mobile
   ========================================================= */
@media (max-width: 960px){
  .dates-grid{ grid-template-columns:repeat(3, 1fr); }
  .date-card:nth-child(4){ border-left:none; }
  .people-grid-4{ grid-template-columns:repeat(2, 1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 800px){
  .nav-burger{ display:flex; }
  .main-nav{
    position:absolute;
    top:100%; left:0; right:0;
    background:var(--paper);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    max-height:0;
    overflow:hidden;
    border-bottom:1px solid var(--line);
    transition:max-height .3s ease;
  }
  .main-nav a{ padding:0.9rem var(--gutter); border-bottom:1px solid var(--line); }
  .main-nav a.nav-cta{ border-radius:0; text-align:center; margin:0.8rem var(--gutter); }
  .nav-toggle:checked ~ .main-nav{ max-height:600px; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(2){ opacity:0; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

  .split-block, .split-block.reverse{
    grid-template-columns:1fr;
  }
  .split-block.reverse .split-media{ order:0; }
}

@media (max-width: 640px){
  .dates-grid{ grid-template-columns:repeat(2, 1fr); }
  .date-card{ border-left:none; border-top:1px solid rgba(10,24,48,0.18); padding-top:0.8rem; }
  .date-card:first-child{ border-top:none; }
  .people-grid-3, .people-grid-2{ grid-template-columns:1fr; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ text-align:center; }
  .footer-grid{ grid-template-columns:1fr; }
}


/* 4 Cards in One Row */
.people-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 30px;
}

/* Common Card Style */
.person-card {
    padding: 30px 25px;
    min-height: 190px;
    border-radius: 12px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.person-card h5 {
    font-size: 21px;
    font-weight: 700;
    color: #082c63;
    margin-bottom: 15px;
}

.person-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #173b68;
    margin: 0;
}

/* Light Yellow */
.person-yellow {
    background-color: #fff3bf;
}

/* Light Blue */
.person-blue {
    background-color: #dceeff;
}

/* Hover Effect */
.person-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}


/* Tablet */
@media (max-width: 991px) {
    .people-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* Mobile */
@media (max-width: 576px) {
    .people-grid-4 {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .person-card {
        min-height: auto;
        padding: 25px 20px;
    }

    .person-card h5 {
        font-size: 19px;
    }

    .person-card p {
        font-size: 15px;
    }
}


/* =====================================================
   CALL FOR PAPERS SECTION
===================================================== */

.call-paper-section {
    position: relative;
    width: 100%;
    background: #071a38;
    padding: 65px 18px 80px;
    overflow: hidden;
    box-sizing: border-box;
}


/* Decorative yellow corners */

.call-paper-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;

    width: 120px;
    height: 80px;

    background: #ffc400;

    clip-path: polygon(0 0, 100% 0, 0 100%);
}


/* Decorative right corner */

.call-paper-section::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;

    width: 120px;
    height: 80px;

    background: #ffc400;

    clip-path: polygon(0 0, 100% 0, 100% 100%);
}


/* =====================================================
   MAIN CONTAINER
===================================================== */

.call-paper-container {
    width: 100%;
    max-width: 1550px;

    margin: 0 auto;
    padding: 0;

    position: relative;
    z-index: 2;
}


/* =====================================================
   HEADING
===================================================== */

.call-paper-heading {
    text-align: center;
    max-width: 1100px;

    margin: 0 auto 40px;
}

.call-paper-heading h2 {
    margin: 0;

    color: #ffffff;

    font-size: 44px;
    font-weight: 800;

    letter-spacing: -1px;
}

.call-paper-heading h2 span {
    color: #ffc400;
}


/* Yellow underline */

.heading-line {
    width: 80px;
    height: 6px;

    background: #ffc400;

    margin: 15px auto 18px;

    border-radius: 10px;
}


.call-paper-heading p {
    color: #ffffff;

    font-size: 16px;
    line-height: 1.7;

    margin: 0 auto;
}


/* =====================================================
   PAPER INFORMATION
===================================================== */

.paper-information {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 25px;

    width: 100%;

    margin-bottom: 45px;
}


/* Individual info */

.paper-info-item {
    display: flex;

    gap: 15px;

    color: #ffffff;

    padding: 5px 20px;

    border-right: 1px solid rgba(255,255,255,0.5);

    box-sizing: border-box;
}


/* Remove border from last */

.paper-info-item:last-child {
    border-right: none;
}


/* Yellow check */

.info-check {
    flex-shrink: 0;

    width: 34px;
    height: 34px;

    border-radius: 50%;

    background: #ffc400;

    color: #071a38;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 21px;
    font-weight: 900;
}


.paper-info-item p {
    margin: 0 0 5px;

    font-size: 14px;

    line-height: 1.55;

    color: #ffffff;
}


.paper-info-item a {
    color: #ffc400;

    font-weight: 700;

    text-decoration: none;

    font-size: 14px;
}

.paper-info-item a:hover {
    text-decoration: underline;
}


/* =====================================================
   TRACK GRID
===================================================== */

.track-grid {

    display: grid;

    /* FOUR CARDS IN ONE ROW */
    grid-template-columns: repeat(4, minmax(0, 1fr));

    gap: 18px;

    width: 100%;

    margin: 0;
    padding: 0;
}


/* =====================================================
   TRACK CARD
===================================================== */

.track-card {

    position: relative;

    width: 100%;

    min-width: 0;

    overflow: hidden;

    border-radius: 10px;

    background: #ffffff;

    box-shadow: 0 5px 15px rgba(0,0,0,0.15);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;

    box-sizing: border-box;
}


/* Hover */

.track-card:hover {
    transform: translateY(-6px);

    box-shadow:
        0 15px 30px rgba(0,0,0,0.28);
}


/* =====================================================
   CARD TOP
===================================================== */

.card-top {

    position: relative;

    height: 72px;

    display: flex;

    align-items: center;

    padding-left: 25px;

    overflow: hidden;
}


/* Yellow top */

.track-card.yellow .card-top {
    background: #ffe477;
}


/* Blue top */

.track-card.blue .card-top {
    background: #c9e3ff;
}


/* =====================================================
   NUMBER CIRCLE
===================================================== */

.track-circle {

    width: 54px;
    height: 54px;

    border-radius: 50%;

    background: #0a2c5c;

    color: #ffc400;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 19px;
    font-weight: 800;

    position: relative;

    z-index: 3;
}


/* =====================================================
   DIAGONAL CORNER
===================================================== */

.corner-shape {

    position: absolute;

    right: -15px;
    top: -25px;

    width: 90px;
    height: 125px;

    transform: rotate(35deg);

    z-index: 1;
}


/* Yellow diagonal */

.track-card.yellow .corner-shape {
    background: #ffc400;
}


/* Blue diagonal */

.track-card.blue .corner-shape {
    background: #59aef4;
}


/* =====================================================
   CARD CONTENT
===================================================== */

.card-content {

    padding: 20px 22px 25px;

    background: #ffffff;

    min-height: 370px;

    box-sizing: border-box;
}


/* Heading */

.card-content h3 {

    color: #092c5c;

    font-size: 19px;

    font-weight: 800;

    line-height: 1.35;

    margin: 0 0 12px;
}


/* Small colored line */

.small-line {

    width: 55px;
    height: 4px;

    margin-bottom: 18px;

    border-radius: 10px;
}


/* Yellow line */

.yellow .small-line {
    background: #ffc400;
}


/* Blue line */

.blue .small-line {
    background: #59aef4;
}


/* =====================================================
   CARD LIST
===================================================== */

.card-content ul {

    margin: 0;

    padding: 0;

    list-style: none;
}


.card-content li {

    position: relative;

    padding-left: 18px;

    margin-bottom: 9px;

    color: #183c67;

    font-size: 13.5px;

    line-height: 1.45;
}


/* Bullet */

.card-content li::before {

    content: "";

    position: absolute;

    left: 0;
    top: 8px;

    width: 7px;
    height: 7px;

    border-radius: 50%;
}


/* Yellow bullet */

.yellow .card-content li::before {
    background: #ffc400;
}


/* Blue bullet */

.blue .card-content li::before {
    background: #59aef4;
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width: 1100px) {

    .track-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .paper-information {
        grid-template-columns: 1fr;
    }

    .paper-info-item {
        border-right: none;

        border-bottom: 1px solid rgba(255,255,255,0.25);

        padding: 15px 10px;
    }

    .paper-info-item:last-child {
        border-bottom: none;
    }

}


/* =====================================================
   MOBILE
===================================================== */

@media (max-width: 600px) {

    .call-paper-section {
        padding: 45px 12px 55px;
    }


    .call-paper-section::before,
    .call-paper-section::after {
        width: 70px;
        height: 50px;
    }


    .call-paper-heading h2 {
        font-size: 32px;
    }


    .call-paper-heading p {
        font-size: 14px;
    }


    .track-grid {
        grid-template-columns: 1fr;

        gap: 18px;
    }


    .paper-information {
        gap: 0;

        margin-bottom: 30px;
    }


    .paper-info-item {
        padding: 15px 5px;
    }


    .card-content {
        min-height: auto;

        padding: 20px;
    }


    .card-content h3 {
        font-size: 18px;
    }

}

/* =========================================
   LOCATION SECTION
========================================= 

.location-section {
    width: 100%;
    background: #f4f8fc;
    padding: 55px 20px;
    box-sizing: border-box;
}

.location-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.location-content {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px 25px;
    border-top: 5px solid #ffc400;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.location-content h2 {
    margin: 0 0 15px;

    color: #092957;

    font-size: 34px;
    font-weight: 800;
}

.location-content h2 span {
    color: #ffc400;
}

.location-intro {
    color: #092957;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.location-address {
    color: #4b5d73;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 25px;
}*/


/* Google Maps Button 

.location-button {
    display: inline-block;

    background: #092957;
    color: #ffffff;

    padding: 13px 25px;

    border-radius: 30px;

    font-size: 15px;
    font-weight: 700;

    text-decoration: none;

    transition: all 0.3s ease;
}

.location-button:hover {
    background: #ffc400;
    color: #092957;

    transform: translateY(-3px);

    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}*/


/* Mobile 

@media (max-width: 600px) {

    .location-section {
        padding: 40px 12px;
    }

    .location-content {
        padding: 30px 18px;
    }

    .location-content h2 {
        font-size: 28px;
    }

    .location-intro {
        font-size: 18px;
    }

    .location-address {
        font-size: 15px;
    }

    .location-button {
        font-size: 14px;
        padding: 12px 20px;
    }

}*/

/* =========================================
   FOOTER
========================================= */

.site-footer {
    width: 100%;
    background: #071a38;
    color: #ffffff;
    padding: 55px 30px 0;
    box-sizing: border-box;
}


/* Main footer */

.footer-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;

    gap: 50px;
}


/* Footer columns */

.footer-col {
    min-width: 0;
}


.footer-col h5 {
    color: #ffc400;

    font-size: 17px;
    font-weight: 800;

    text-transform: uppercase;

    margin: 0 0 18px;
}


.footer-col p {
    color: #ffffff;

    font-size: 14px;

    line-height: 1.7;

    margin: 0 0 10px;
}


/* Links */

.footer-col a {
    color: #ffffff;

    text-decoration: none;

    transition: 0.3s ease;
}


.footer-col a:hover {
    color: #ffc400;
}


/* Google Maps */

.map-link {
    display: inline-block;

    margin-top: 8px;

    padding: 9px 15px;

    background: #ffc400;

    color: #071a38 !important;

    border-radius: 20px;

    font-size: 13px !important;

    font-weight: 700;
}


.map-link:hover {
    background: #ffffff;

    color: #071a38 !important;
}


/* =========================================
   FOOTER BOTTOM
========================================= */

.footer-bottom {
    width: 100%;
    max-width: 1400px;

    margin: 40px auto 0;

    padding: 20px 0;

    border-top: 1px solid rgba(255,255,255,0.2);

    text-align: center;
}


.footer-bottom p {
    margin: 0;

    color: rgba(255,255,255,0.75);

    font-size: 13px;
}


/* =========================================
   TABLET
========================================= */

@media (max-width: 900px) {

    .footer-container {
        grid-template-columns: repeat(2, 1fr);

        gap: 35px;
    }

}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 600px) {

    .site-footer {
        padding: 40px 20px 0;
    }

    .footer-container {
        grid-template-columns: 1fr;

        gap: 30px;
    }

    .footer-bottom {
        margin-top: 30px;
    }

}


/* =========================================
   QR REGISTRATION SECTION
========================================= */

.qr-section {
    width: 100%;
    background: #ffffff;
    padding: 60px 20px;
    box-sizing: border-box;
}

.qr-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}


/* =========================================
   HEADING
========================================= */

.qr-heading {
    text-align: center;
    margin-bottom: 35px;
}

.qr-heading h2 {
    margin: 0;

    font-size: 36px;
    font-weight: 800;

    color: #071a38;
}

.qr-heading h2 span {
    color: #ffc400;
}

.qr-heading-line {
    width: 65px;
    height: 5px;

    background: #ffc400;

    margin: 12px auto 15px;

    border-radius: 10px;
}

.qr-heading p {
    margin: 0;

    color: #526174;

    font-size: 15px;
}


/* =========================================
   QR GRID
========================================= */

.qr-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 35px;

    max-width: 850px;

    margin: 0 auto;

    align-items: start;
}


/* =========================================
   QR CARD
========================================= */

.qr-card {
    text-align: center;

    background: #ffffff;

    border-radius: 12px;

    padding: 20px;

    transition: all 0.3s ease;
}

.qr-card:hover {
    transform: translateY(-5px);

    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}


/* =========================================
   QR IMAGE
========================================= */

.qr-image-box {
    width: 220px;
    height: 220px;

    margin: 0 auto 12px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #ffffff;

    border: 4px solid #071a38;

    border-radius: 5px;

    box-sizing: border-box;
}

.qr-image-box img {
    width: 100%;
    height: 100%;

    object-fit: contain;

    display: block;
}


/* =========================================
   QR LABEL
========================================= */

.qr-label {
    display: inline-block;

    background: #071a38;

    color: #ffc400;

    padding: 8px 18px;

    border-radius: 6px;

    font-size: 14px;

    font-weight: 700;

    line-height: 1.2;
}


/* =========================================
   INFORMATION NOTES
========================================= */

.qr-notes {
    max-width: 850px;

    margin: 30px auto 0;

    padding-top: 20px;

    border-top: 1px solid #e2e2e2;
}

.qr-note {
    display: flex;

    align-items: flex-start;

    gap: 12px;

    margin-bottom: 8px;
}

.qr-note span {
    color: #071a38;

    font-size: 16px;

    font-weight: 700;

    min-width: 15px;
}

.qr-note p {
    margin: 0;

    color: #172b4d;

    font-size: 15px;

    line-height: 1.5;
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 700px) {

    .qr-section {
        padding: 45px 15px;
    }

    .qr-heading h2 {
        font-size: 28px;
    }

    .qr-grid {
        grid-template-columns: 1fr;

        gap: 25px;
    }

    .qr-image-box {
        width: 200px;
        height: 200px;
    }

    .qr-label {
        font-size: 13px;
    }

    .qr-notes {
        margin-top: 25px;
    }

    .qr-note p {
        font-size: 14px;
    }
}





/* =========================================
   GUIDELINE & IMPORTANT DATES SECTION
========================================= */

.guideline-section {
    width: 100%;
    background: #ffffff;

    padding: 55px 25px;

    box-sizing: border-box;
}


/* =========================================
   MAIN CONTAINER
========================================= */

.guideline-container {
    width: 100%;
    max-width: 1200px;

    margin: 0 auto;
}


/* =========================================
   GUIDELINE BLOCK
========================================= */

.guideline-block {
    width: 100%;
    text-align: center;
}


/* =========================================
   IMPORTANT DATES BLOCK
========================================= */

.important-dates {
    width: 100%;

    margin-top: 35px;

    text-align: center;
}


/* =========================================
   HEADINGS
========================================= */

.guideline-block h2,
.important-dates h2 {

    margin: 0;

    color: #092957;

    font-size: 30px;

    font-weight: 800;

    line-height: 1.3;

    display: inline-block;
}


/* =========================================
   YELLOW LINE UNDER HEADINGS
========================================= */

.title-line {

    width: 90px;

    height: 4px;

    background: #ffc400;

    margin: 8px auto 20px;

    border-radius: 10px;
}


/* =========================================
   GUIDELINE LIST
========================================= */

.guideline-block ul {

    width: 100%;

    margin: 0;

    padding-left: 25px;

    text-align: left;

    box-sizing: border-box;
}


.guideline-block li {

    color: #111827;

    font-size: 15px;

    line-height: 1.55;

    margin-bottom: 5px;

    padding-left: 4px;
}


/* Bullet */

.guideline-block li::marker {

    color: #092957;

    font-weight: bold;
}


/* =========================================
   EMAIL LINK
========================================= */

.guideline-block a {

    color: #0056b3;

    font-weight: 600;

    text-decoration: none;

    transition: 0.3s ease;
}


.guideline-block a:hover {

    color: #ffc400;

    text-decoration: underline;
}


/* =========================================
   IMPORTANT DATES LIST
========================================= */

.important-dates ul {

    width: 100%;

    margin: 0;

    padding-left: 25px;

    text-align: left;

    box-sizing: border-box;
}


.important-dates li {

    color: #111827;

    font-size: 15px;

    line-height: 1.6;

    margin-bottom: 6px;

    display: flex;

    align-items: baseline;

    gap: 8px;
}


/* Bullet */

.important-dates li::marker {

    color: #092957;

    font-weight: bold;
}


/* Date description */

.important-dates li span {

    min-width: 370px;

    font-weight: 500;
}


/* Date */

.important-dates li strong {

    color: #111827;

    font-weight: 600;
}


/* =========================================
   CONFERENCE MODE / PRESENTATION DETAILS
========================================= */

.conference-mode {

    width: 100%;

    margin-top: 0;

    padding-left: 25px;

    text-align: left;

    box-sizing: border-box;
}


.conference-mode p {

    margin: 0 0 5px;

    color: #111827;

    font-size: 15px;

    line-height: 1.6;
}


.conference-mode strong {

    font-weight: 600;
}


/* =========================================
   DESKTOP SPACING
========================================= */

@media (min-width: 1001px) {

    .guideline-block {
        padding: 0 10px;
    }

    .important-dates {
        padding: 0 10px;
    }

}


/* =========================================
   TABLET
========================================= */

@media (max-width: 1000px) {

    .guideline-section {

        padding: 45px 20px;

    }

    .guideline-block h2,
    .important-dates h2 {

        font-size: 27px;

    }

    .important-dates li {

        display: flex;

        flex-wrap: wrap;

    }

    .important-dates li span {

        min-width: 300px;

    }

}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 700px) {

    .guideline-section {

        padding: 40px 15px;

    }


    .guideline-block h2,
    .important-dates h2 {

        font-size: 24px;

    }


    .title-line {

        width: 70px;

        height: 3px;

        margin-bottom: 15px;

    }


    .guideline-block ul,
    .important-dates ul {

        padding-left: 22px;

    }


    .guideline-block li,
    .important-dates li {

        font-size: 14px;

        line-height: 1.5;

    }


    .important-dates li {

        display: list-item;

        margin-bottom: 9px;

    }


    .important-dates li span {

        min-width: auto;

        font-weight: 600;

    }


    .conference-mode {

        padding-left: 22px;

    }


    .conference-mode p {

        font-size: 14px;

        line-height: 1.5;

    }


    .important-dates {

        margin-top: 30px;

    }

}


/* =========================================
   VERY SMALL MOBILE
========================================= */

@media (max-width: 400px) {

    .guideline-section {

        padding: 35px 12px;

    }


    .guideline-block h2,
    .important-dates h2 {

        font-size: 21px;

    }


    .guideline-block li,
    .important-dates li,
    .conference-mode p {

        font-size: 13.5px;

    }

}


/* BANNER + FOUR SECTIONS */
/* =====================================================
   INTERNATIONAL CONFERENCE HERO
===================================================== */

.conference-hero {
    position: relative;

    width: 100%;
    min-height: 620px;

    background-size: cover;
    background-position: center;

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;

    box-sizing: border-box;
}


/* Dark overlay */

/* .hero-overlay {
    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            135deg,
            rgba(3, 20, 48, 0.96),
            rgba(5, 42, 85, 0.88),
            rgba(3, 20, 48, 0.94)
        );
} */

/* .hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(220, 235, 255, 0.55);
} */
 .hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.55);
} 


/* =====================================================
   DECORATIVE HERO SHAPES
===================================================== */

.hero-shape {
    position: absolute;

    z-index: 1;

    opacity: 0.9;
}

.hero-shape-left {
    left: -80px;
    bottom: -80px;

    width: 250px;
    height: 250px;

    border: 35px solid #ffc400;

    transform: rotate(45deg);
}

.hero-shape-right {
    right: -100px;
    top: -100px;

    width: 280px;
    height: 280px;

    border: 35px solid #1976d2;

    transform: rotate(45deg);
}


/* =====================================================
   HERO CONTENT
===================================================== */

.conference-hero-content {
    position: relative;

    z-index: 3;

    width: 100%;
    max-width: 1100px;

    padding: 80px 25px;

    text-align: center;

    box-sizing: border-box;
}


/* Conference badge */

.conference-badge {

    display: inline-block;

    padding: 9px 22px;

    margin-bottom: 20px;

    border: 1px solid #ffc400;

    border-radius: 30px;

    background: rgba(255, 196, 0, 0.08);

    color: #ffc400;

    font-size: 13px;

    font-weight: 800;

    letter-spacing: 1.5px;
}


/* College name */

.conference-hero-content h1 {

    margin: 0;

    color: #ffffff;

    font-size: 48px;

    line-height: 1.15;

    font-weight: 800;

    letter-spacing: -1px;
}


/* Divider */

.hero-divider {

    width: 85px;
    height: 5px;

    background: #ffc400;

    border-radius: 10px;

    margin: 22px auto;
}


/* Conference title */

.conference-hero-content h2 {

    margin: 0 0 8px;

    color: #ffffff;

    font-size: 25px;

    font-weight: 600;
}


/* Main conference title */

.conference-hero-content h3 {

    margin: 0;

    color: #ffc400;

    font-size: 38px;

    line-height: 1.2;

    font-weight: 800;
}


/* Conference details */

.conference-info {

    margin: 25px 0 30px;

    color: #ffffff;

    font-size: 17px;

    letter-spacing: 0.3px;
}

.conference-info strong {
    color: #ffc400;
}

.conference-info span {
    color: rgba(255,255,255,0.5);

    margin: 0 10px;
}


/* =====================================================
   HERO BUTTONS
===================================================== */

.hero-actions {

    display: flex;

    justify-content: center;

    align-items: center;

    gap: 15px;

    flex-wrap: wrap;
}


/* Register */

.conference-btn {

    display: inline-flex;

    align-items: center;

    gap: 12px;

    padding: 13px 26px;

    background: #ffc400;

    color: #071a38;

    border-radius: 30px;

    text-decoration: none;

    font-size: 15px;

    font-weight: 800;

    transition: all 0.3s ease;
}

.conference-btn span {

    font-size: 20px;

    transition: transform 0.3s ease;
}

.conference-btn:hover {

    background: #ffffff;

    color: #071a38;

    transform: translateY(-3px);
}

.conference-btn:hover span {
    transform: translateX(5px);
}


/* Explore button */

.conference-btn-outline {

    display: inline-block;

    padding: 13px 25px;

    border: 2px solid rgba(255,255,255,0.8);

    color: #ffffff;

    border-radius: 30px;

    text-decoration: none;

    font-size: 15px;

    font-weight: 700;

    transition: all 0.3s ease;
}

.conference-btn-outline:hover {

    background: #ffffff;

    color: #071a38;

    border-color: #ffffff;
}


/* =====================================================
   MARQUEE
===================================================== */

.conference-marquee {

    width: 100%;

    height: 52px;

    display: flex;

    align-items: center;

    background: #ffc400;

    overflow: hidden;

    box-sizing: border-box;
}


/* Announcement label */

.marquee-label {

    position: relative;

    z-index: 5;

    height: 100%;

    min-width: 170px;

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 8px;

    background: #071a38;

    color: #ffc400;

    font-size: 13px;

    font-weight: 800;

    letter-spacing: 0.8px;
}


/* Scrolling area */

.marquee-wrapper {

    width: 100%;

    overflow: hidden;

    white-space: nowrap;
}


/* Scrolling content */

.marquee-content {

    display: inline-flex;

    align-items: center;

    white-space: nowrap;

    animation: conference-marquee 30s linear infinite;
}


/* Text */

.marquee-content span {

    display: inline-block;

    margin-right: 70px;

    color: #071a38;

    font-size: 14px;

    font-weight: 700;
}


/* Right to left */

@keyframes conference-marquee {

    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }

}


/* Pause on hover */

.marquee-wrapper:hover .marquee-content {
    animation-play-state: paused;
}


/* =====================================================
   KEY DATES SECTION
===================================================== */

.conference-dates {

    width: 100%;

    background: #f5f8fc;

    padding: 60px 20px 70px;

    box-sizing: border-box;
}


.dates-container {

    width: 100%;

    max-width: 1400px;

    margin: 0 auto;
}


/* =====================================================
   DATES HEADING
===================================================== */

.dates-heading {

    text-align: center;

    margin-bottom: 35px;
}


.dates-heading > span {

    color: #1c73c9;

    font-size: 12px;

    font-weight: 800;

    letter-spacing: 2px;
}


.dates-heading h2 {

    margin: 7px 0;

    color: #071a38;

    font-size: 34px;

    font-weight: 800;
}


.dates-heading h2 strong {

    color: #ffc400;
}


.dates-line {

    width: 70px;

    height: 4px;

    background: #ffc400;

    border-radius: 10px;

    margin: 10px auto 0;
}


/* =====================================================
   DATE GRID
===================================================== */

.dates-grid {

    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 18px;
}


/* =====================================================
   DATE CARD
===================================================== */

.date-card {

    position: relative;

    background: #ffffff;

    border-radius: 12px;

    padding: 28px 22px;

    min-height: 210px;

    overflow: hidden;

    box-sizing: border-box;

    border: 1px solid #e5eaf0;

    box-shadow:
        0 6px 18px rgba(0,0,0,0.08);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}


/* Hover */

.date-card:hover {

    transform: translateY(-7px);

    box-shadow:
        0 15px 30px rgba(0,0,0,0.14);
}


/* Top border */

.date-yellow {
    border-top: 5px solid #ffc400;
}

.date-blue {
    border-top: 5px solid #1976d2;
}


/* =====================================================
   DATE ICON
===================================================== */

.date-icon {

    width: 48px;

    height: 48px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 50%;

    font-size: 21px;

    margin-bottom: 15px;
}


.date-yellow .date-icon {

    background: #fff3bf;

    color: #071a38;
}


.date-blue .date-icon {

    background: #dceeff;

    color: #071a38;
}


/* Number */

.date-number {

    position: absolute;

    top: 18px;

    right: 20px;

    color: #e7ebf0;

    font-size: 35px;

    font-weight: 900;
}


/* =====================================================
   DATE TEXT
===================================================== */

.date-card h4 {

    margin: 0 0 10px;

    color: #071a38;

    font-size: 17px;

    font-weight: 800;

    line-height: 1.35;
}


.date-card p {

    margin: 0;

    color: #536579;

    font-size: 14px;

    line-height: 1.55;
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width: 1000px) {

    .conference-hero {
        min-height: 560px;
    }

    .conference-hero-content h1 {
        font-size: 40px;
    }

    .conference-hero-content h3 {
        font-size: 32px;
    }

    .dates-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* =====================================================
   MOBILE
===================================================== */

@media (max-width: 600px) {

    .conference-hero {
        min-height: 650px;

        background-position: center;
    }


    .conference-hero-content {

        padding: 60px 15px;

    }


    .conference-badge {

        font-size: 10px;

        padding: 8px 15px;

        letter-spacing: 1px;

    }


    .conference-hero-content h1 {

        font-size: 31px;

    }


    .conference-hero-content h2 {

        font-size: 20px;

    }


    .conference-hero-content h3 {

        font-size: 27px;

    }


    .conference-info {

        font-size: 14px;

        line-height: 1.8;

    }


    .conference-info span {

        margin: 0 4px;

    }


    .hero-actions {

        flex-direction: column;

        width: 100%;

    }


    .conference-btn,
    .conference-btn-outline {

        width: 230px;

        justify-content: center;

        box-sizing: border-box;

    }


    /* Marquee */

    .conference-marquee {

        height: 48px;

    }


    .marquee-label {

        min-width: 115px;

        font-size: 10px;

    }


    .marquee-content span {

        font-size: 12px;

        margin-right: 45px;

    }


    /* Dates */

    .conference-dates {

        padding: 45px 15px 55px;

    }


    .dates-heading h2 {

        font-size: 28px;

    }


    .dates-grid {

        grid-template-columns: 1fr;

        gap: 15px;

    }


    .date-card {

        min-height: 180px;

    }

}


/* =====================================================
   VERY SMALL MOBILE
===================================================== */

@media (max-width: 380px) {

    .conference-hero-content h1 {

        font-size: 27px;

    }

    .conference-hero-content h3 {

        font-size: 24px;

    }

}