/* =====================================================================
   ICRET 2027 — Modern Conference Design System
   A clean, professional framework replacing the legacy Bootstrap 3 markup.
   All text, links and image paths are preserved; only presentation changes.
   ===================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --primary: #0E7C86;          /* renewable-energy teal */
  --primary-dark: #0A5A62;
  --primary-darker: #073F45;
  --primary-light: #E4F2F3;
  --accent: #F2A900;           /* warm amber accent */
  --accent-dark: #D99500;

  --ink: #1B2A33;              /* primary text */
  --muted: #5B6B73;            /* secondary text */
  --line: #E3EAEC;             /* borders */
  --bg: #FFFFFF;
  --bg-alt: #F5F8F9;           /* section alt background */
  --bg-dark: #0C2B30;          /* footer / dark surfaces */

  --font-head: "Poppins", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(12, 43, 48, .06);
  --shadow: 0 12px 30px rgba(12, 43, 48, .10);
  --shadow-lg: 0 22px 50px rgba(12, 43, 48, .16);

  --maxw: 1180px;
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
p { margin: 0 0 1rem; }
h1, h2, h3, h4, h5 { font-family: var(--font-head); color: var(--ink); line-height: 1.25; font-weight: 600; }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin: .25rem 0; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section--alt { background: var(--bg-alt); }
.section--tight { padding: 48px 0; }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 600; font-size: .95rem;
  padding: 12px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: all .2s ease; text-align: center; line-height: 1;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); color: #fff; box-shadow: var(--shadow); }
.btn--accent { background: var(--accent); color: var(--primary-darker); }
.btn--accent:hover { background: var(--accent-dark); color: var(--primary-darker); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn--ghost:hover { background: var(--primary); color: #fff; }
.btn--light { background: #fff; color: var(--primary-dark); }
.btn--light:hover { background: var(--primary-light); box-shadow: var(--shadow); }
.btn--lg { padding: 15px 34px; font-size: 1.02rem; }
.btn--sm { padding: 9px 18px; font-size: .85rem; }

/* ---------- Section headings ---------- */
.section-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block; font-family: var(--font-head); font-weight: 600;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--primary); background: var(--primary-light);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0 0 12px; }
.section-head p { color: var(--muted); margin: 0; }
.section-title { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin: 0 0 1.2rem; position: relative; }
.section-title--center { text-align: center; }
.section-title--center::after,
.section-head h2::after {
  content: ""; display: block; width: 64px; height: 4px; border-radius: 4px;
  background: var(--accent); margin: 16px auto 0;
}
.section-title--left::after {
  content: ""; display: block; width: 56px; height: 4px; border-radius: 4px;
  background: var(--accent); margin: 14px 0 0;
}

/* ---------- Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3, .card h4 { margin-top: 0; }
.card .ic {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary-light); color: var(--primary); font-size: 1.3rem; margin-bottom: 16px;
}
.card .step {
  font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--accent);
  display: inline-block; margin-bottom: 6px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }
.brand { display: flex; flex-direction: column; line-height: 1; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { font-family: var(--font-head); font-weight: 700; font-size: 1.45rem; letter-spacing: .02em; }
.brand-mark .brand-year { color: var(--primary); }
.brand-meta { font-size: .74rem; color: var(--muted); letter-spacing: .04em; margin-top: 4px; }

.main-nav > ul { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-radius: 8px;
  font-family: var(--font-head); font-weight: 500; font-size: .95rem; color: var(--ink);
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active { color: var(--primary); background: var(--primary-light); }
.main-nav > ul > li > a .fa-chevron-down { font-size: .7rem; transition: transform .2s ease; }

.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 8px; list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .18s ease; z-index: 20;
}
.has-dropdown:hover > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.has-dropdown:hover > a .fa-chevron-down { transform: rotate(180deg); }
.dropdown li a {
  display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink);
  font-size: .92rem; font-family: var(--font-body);
}
.dropdown li a:hover { background: var(--primary-light); color: var(--primary-dark); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav panel */
@media (max-width: 991px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 90vh; overflow-y: auto; }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; padding: 10px; }
  .main-nav > ul > li > a { justify-content: space-between; border-radius: 8px; }
  .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 0 0 6px 14px; display: none;
  }
  .has-dropdown.open > .dropdown { display: block; }
}

/* ---------- Hero (homepage) ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(242,169,0,.22), transparent 60%),
    linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 45%, var(--primary) 100%);
  padding: 96px 0 104px;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 26px 26px; opacity: .5; pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 880px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-head);
  font-size: .82rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 14px; font-weight: 700; }
.hero h1 .hl { color: var(--accent); }

/* Hero with original conference banner image */
.hero--with-bg {
  background:
    linear-gradient(rgba(7,63,69,.86), rgba(10,90,98,.82)),
    url('../images/banner.jpg') center/cover no-repeat;
  min-height: 580px;
  display: flex;
  align-items: center;
}
.hero--with-bg::after { display: none; }
@media (max-width: 760px) { .hero--with-bg { min-height: 480px; } }

/* ---------- Original conference banner image (homepage) ---------- */
.banner-image { line-height: 0; background: var(--primary-dark); }
.banner-image img {
  display: block; width: 100%; height: auto;
  max-height: 560px; object-fit: cover;
}
@media (max-width: 760px) { .banner-image img { max-height: 320px; } }
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,.88); max-width: 640px; margin: 0 0 30px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero-meta .chip {
  display: inline-flex; align-items: center; gap: .55rem; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22); padding: 10px 18px; border-radius: 999px;
  font-weight: 500; font-size: .95rem;
}
.hero-meta .chip i { color: var(--accent); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats {
  position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 22px; margin-top: 64px; padding-top: 36px; border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stats .stat { }
.hero-stats .stat .num { font-family: var(--font-head); font-weight: 700; font-size: 2rem; color: #fff; }
.hero-stats .stat .lbl { color: rgba(255,255,255,.82); font-size: .9rem; }
@media (max-width: 760px) { .hero-stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, var(--primary-darker), var(--primary) 70%);
  padding: 70px 0 64px;
}
.page-banner::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 24px 24px; opacity: .5; pointer-events: none;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.8rem); margin: 0 0 10px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .9rem; color: rgba(255,255,255,.85); margin: 0; padding: 0; list-style: none; }
.breadcrumb a { color: rgba(255,255,255,.9); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .6; }
.breadcrumb .current { color: var(--accent); font-weight: 600; }

/* ---------- Feature cards (home key info) ---------- */
.feature-card .ic { background: var(--primary-light); color: var(--primary); }
.feature-card h3 { font-size: 1.25rem; margin: 0 0 8px; }
.feature-card p { color: var(--muted); margin: 0 0 14px; }
.feature-card .more { font-weight: 600; font-family: var(--font-head); }
.feature-card .more i { transition: transform .2s ease; display: inline-block; }
.feature-card .more:hover i { transform: translateX(4px); }

/* ---------- Topic cards ---------- */
.topic-card h3 { display: flex; align-items: center; gap: .6rem; font-size: 1.3rem; }
.topic-card h3 i { color: var(--accent); }
.topic-list { list-style: none; padding: 0; margin: 0; }
.topic-list li { padding: 7px 0 7px 26px; position: relative; border-bottom: 1px dashed var(--line); }
.topic-list li:last-child { border-bottom: none; }
.topic-list li::before { content: "\f0da"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: 7px; color: var(--primary); }

/* ---------- Timeline / list (dates, news) ---------- */
.timeline { display: grid; gap: 18px; }
.timeline-item {
  display: grid; grid-template-columns: 130px 1fr; gap: 22px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm); padding: 20px 24px; box-shadow: var(--shadow-sm);
}
.timeline-item .date { font-family: var(--font-head); font-weight: 700; color: var(--primary-dark); }
.timeline-item .date small { display: block; font-weight: 500; color: var(--muted); font-size: .8rem; }
.timeline-item h3 { margin: 0 0 4px; font-size: 1.12rem; }
.timeline-item p { margin: 0; color: var(--muted); }
@media (max-width: 560px) { .timeline-item { grid-template-columns: 1fr; gap: 8px; } }

/* News list */
.news-item {
  display: grid; grid-template-columns: 150px 1fr; gap: 20px;
  padding: 20px 0; border-bottom: 1px solid var(--line);
}
.news-item:last-child { border-bottom: none; }
.news-date { font-family: var(--font-head); font-weight: 700; color: var(--accent-dark); }
.news-body p { margin: 0; }
@media (max-width: 560px) { .news-item { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- Tables ---------- */
.table-responsive { width: 100%; overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; background: #fff; min-width: 560px; }
.table thead th {
  background: var(--primary); color: #fff; font-family: var(--font-head); font-weight: 600;
  text-align: left; padding: 14px 18px; font-size: .95rem;
}
.table tbody td { padding: 13px 18px; border-bottom: 1px solid var(--line); }
.table tbody tr:nth-child(even) { background: var(--bg-alt); }
.table tbody tr:hover { background: var(--primary-light); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

/* Committee / generic definition blocks */
.group-block { margin-bottom: 30px; }
.group-title {
  font-family: var(--font-head); font-weight: 700; color: var(--primary-dark);
  font-size: 1.15rem; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.name-list { columns: 2; column-gap: 36px; list-style: none; padding: 0; margin: 0; }
.name-list li { break-inside: avoid; padding: 4px 0 4px 18px; position: relative; color: var(--ink); }
.name-list li::before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
@media (max-width: 640px) { .name-list { columns: 1; } }

/* Speaker cards */
.speaker {
  display: grid; grid-template-columns: 150px 1fr; gap: 22px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-sm); margin-bottom: 24px;
}
.speaker img { width: 150px; height: 150px; object-fit: cover; border-radius: 12px; border: 3px solid var(--primary-light); }
.speaker h3 { margin: 0 0 2px; font-size: 1.2rem; }
.speaker .affil { color: var(--primary); font-weight: 600; font-family: var(--font-head); font-size: .92rem; margin: 0 0 10px; }
.speaker p { color: var(--muted); margin: 0 0 8px; }
.speaker .talk { background: var(--bg-alt); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 6px; font-size: .95rem; color: var(--ink); }
@media (max-width: 560px) { .speaker { grid-template-columns: 1fr; } .speaker img { width: 120px; height: 120px; } }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.gallery figure { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; }
.gallery figure:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.gallery img { width: 100%; height: 190px; object-fit: cover; }
.gallery figcaption { padding: 10px 12px; font-size: .85rem; color: var(--muted); background: var(--bg-alt); }

/* Sponsors */
.sponsor-grid { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: center; }
.sponsor-grid img {
  height: 84px; width: auto; max-width: 200px; object-fit: contain; padding: 12px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-sm);
  filter: grayscale(18%); transition: all .25s ease;
}
.sponsor-grid img:hover { filter: none; transform: translateY(-4px); box-shadow: var(--shadow); }
.sponsor-group { text-align: center; margin-bottom: 36px; }
.sponsor-group h4 { font-family: var(--font-head); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .9rem; margin: 0 0 18px; }

/* Callouts / notices */
.callout {
  border-radius: var(--radius); padding: 22px 26px; margin: 24px 0;
  background: var(--primary-light); border-left: 4px solid var(--primary);
}
.callout p:last-child { margin-bottom: 0; }
.callout--warning { background: #FFF6E6; border-left-color: var(--accent); }
.callout--danger { background: #FDECEC; border-left-color: #E0533D; }
.callout h3, .callout h4 { margin-top: 0; display: flex; align-items: center; gap: .5rem; }
.callout--warning h4 { color: #9A6B00; }
.callout--danger h4 { color: #B23A26; }

/* Prose (long guideline / visa / submission text) */
.prose { color: var(--ink); }
.prose p { color: var(--muted); }
.prose strong { color: var(--ink); }
.prose h3 { color: var(--primary-dark); margin-top: 28px; }

/* Key-value info (venue) */
.info-card h3 { font-size: 1.15rem; display: flex; align-items: center; gap: .55rem; }
.info-card h3 i { color: var(--accent); }
.info-card ul { padding-left: 1.1rem; color: var(--muted); }
.info-card p { color: var(--muted); }

/* Contact cards */
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.contact-card .head { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 22px 24px; display: flex; align-items: center; gap: 16px; }
.contact-card .head img { width: 56px; height: 56px; border-radius: 50%; border: 3px solid rgba(255,255,255,.6); }
.contact-card .head h3 { color: #fff; margin: 0; font-size: 1.2rem; }
.contact-card .body { padding: 22px 24px; }
.contact-card .body .name { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.contact-list { list-style: none; padding: 0; margin: 0 0 16px; }
.contact-list li { display: flex; align-items: flex-start; gap: 10px; padding: 6px 0; color: var(--muted); }
.contact-list li i { color: var(--accent); width: 20px; text-align: center; margin-top: 4px; }
.contact-note { color: var(--muted); font-size: .94rem; }
.qr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 640px) { .qr-grid { grid-template-columns: 1fr; } }
.qr-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; box-shadow: var(--shadow-sm); }
.qr-card h3 { font-size: 1.1rem; display: flex; align-items: center; justify-content: center; gap: .5rem; }
.qr-card h3 i { color: var(--accent); }
.qr-card img { width: 160px; margin: 14px auto 0; border: 1px solid var(--line); padding: 10px; background: #fff; border-radius: 10px; }

/* Publication history (footer, index) */
.pub-history { list-style: none; padding: 0; margin: 0; }
.pub-history li { padding: 5px 0; color: rgba(255,255,255,.82); font-size: .92rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.pub-history li:last-child { border-bottom: none; }
.pub-history .yr { color: var(--accent); font-weight: 700; font-family: var(--font-head); margin-right: 6px; }
.pub-history a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.82); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; }
.footer-brand .brand-mark { color: #fff; }
.footer-brand .brand-mark .brand-year { color: var(--accent); }
.footer-brand p { color: rgba(255,255,255,.7); margin-top: 14px; font-size: .94rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-family: var(--font-head); font-size: 1.02rem; margin: 0 0 16px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 36px; height: 3px; background: var(--accent); border-radius: 3px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { padding: 5px 0; }
.footer-links a { color: rgba(255,255,255,.78); }
.footer-links a:hover { color: var(--accent); }
.footer-contact p { display: flex; gap: 10px; align-items: flex-start; margin: 0 0 10px; color: rgba(255,255,255,.78); font-size: .94rem; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; margin-top: 4px; }
.footer-contact a { color: #fff; }
.footer-bottom { margin-top: 44px; border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: .88rem; color: rgba(255,255,255,.6); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none; cursor: pointer; display: grid; place-items: center;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .25s ease; z-index: 900;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--primary-dark); }

/* ---------- Misc small ---------- */
.lead { font-size: 1.08rem; color: var(--muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.divider-dot { color: var(--accent); margin: 0 6px; }
.img-rounded { border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.venue-img-row { display: flex; gap: 16px; flex-wrap: wrap; margin: 18px 0; }
.venue-img-row img { width: calc(33.333% - 11px); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); object-fit: cover; height: 200px; }
@media (max-width: 640px) { .venue-img-row img { width: 100%; height: 220px; } }
.map-frame { width: 100%; height: 420px; border: 0; border-radius: var(--radius); box-shadow: var(--shadow-sm); }