/* =========================================================
   Acoustic Ecology Lab — Main Stylesheet
   Modernized redesign matching original palette & logos.
   Original colors: white bg, #BCCA5F lime-green accent,
   #3DDABF teal, #49494A text, Gotham/Montserrat fonts.
   ========================================================= */

/* Locally hosted Montserrat — no external requests needed */
@import url('../fonts/montserrat.css');

/* ----- Custom Properties ----- */
:root {
  --bg:          #FFFFFF;
  --surface:     #F6F6F1;
  --surface-2:   #EDEDE8;
  --surface-3:   #E5E5DF;
  --border:      rgba(0,0,0,0.09);
  --border-soft: rgba(0,0,0,0.05);
  --text:        #49494A;
  --text-muted:  #717172;
  --text-dim:    #9A9A9B;
  --accent:      #BCCA5F;      /* original lime-green */
  --accent-dark: #9EB041;      /* darker lime for contrast */
  --accent-hover:#CBD97A;
  --teal:        #3DDABF;      /* original teal */
  --teal-dark:   #22C4A9;
  --nav-h:       72px;
  --max-w:       1160px;
  --radius:      4px;
  --radius-lg:   8px;
  --transition:  0.22s ease;
  --shadow:      0 2px 16px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.12);
  --font-head:   'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body:   'Montserrat', 'Helvetica Neue', Arial, sans-serif;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  min-height: 100vh;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: var(--teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--teal-dark); }

/* ----- Typography ----- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--text);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(1.9rem, 5vw, 3.2rem); text-transform: uppercase; letter-spacing: 0.04em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.45rem); }
h4 { font-size: 0.95rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }

p { margin-bottom: 1.2rem; color: var(--text); }
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.5rem; }
strong { color: var(--text); font-weight: 600; }

/* ----- Layout ----- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}
section { padding: clamp(3rem, 6vw, 5rem) 0; }

/* ----- Divider ----- */
.divider {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 0.75rem 0 1.5rem;
}
.divider--center { margin: 0.75rem auto 1.5rem; }

/* =========================================================
   NAVIGATION
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  transition: box-shadow var(--transition);
}
.nav.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 1.5rem;
}

/* Logo area */
.nav-logos {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}
.nav-logo-ael img { height: 42px; width: auto; display: block; }
.nav-logo-asu img { height: 36px; width: auto; display: block; }
.nav-logo-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* Right side: toggle + menu */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0;
}

/* Menu */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0;
}
.nav-item { position: relative; }
.nav-item > a {
  display: block;
  padding: 0.45rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-item > a:hover,
.nav-item.active > a { color: var(--accent-dark); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 0 0 var(--radius) var(--radius);
  list-style: none;
  padding: 0.4rem 0;
  min-width: 220px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all var(--transition);
  z-index: 100;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown li a {
  display: block;
  padding: 0.55rem 1.1rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}
.dropdown li a:hover {
  color: var(--text);
  background: var(--surface);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 2px;
}
.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); }

/* =========================================================
   PAGE HEADER / HERO
   ========================================================= */
.page-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  text-align: center;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(188,202,95,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .eyebrow {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
}
.page-hero h1 { color: var(--text); margin-bottom: 0.75rem; }
.page-hero .subtitle {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 400;
}

/* Homepage Hero */
.home-hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  /* Dark nature background like original */
  background: #1a2010;
}
.home-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.home-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 70% at 50% 10%, rgba(61,218,191,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 90%, rgba(188,202,95,0.10) 0%, transparent 60%);
}
.home-hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to top, #FFFFFF, transparent);
  z-index: 1;
}
.home-hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: calc(var(--nav-h) + 3rem) clamp(1rem,4vw,2rem) 5rem;
}
.home-hero-content .eyebrow {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.home-hero-content h1 {
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  font-size: clamp(2.5rem, 7vw, 5rem);
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.home-hero-content h1 em { font-style: normal; color: var(--accent); }
.home-hero-content .tagline {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  font-weight: 400;
}
.home-hero-content .hr-break {
  width: 120px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 2rem;
  opacity: 0.7;
}
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2.2s infinite;
  color: rgba(255,255,255,0.4);
  font-size: 1.2rem;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* Waveform decoration */
.waveform-wrapper {
  position: absolute;
  bottom: 80px;
  left: 0; right: 0;
  display: flex;
  justify-content: center;
  opacity: 0.12;
  z-index: 1;
}
.waveform-wrapper svg { width: 100%; max-width: 1200px; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.75rem;
  border-radius: 0;          /* original had no border radius */
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--teal-dark);
}
.btn-primary:hover { background: var(--accent-hover); color: var(--teal-dark); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(188,202,95,0.06);
}
.btn-teal {
  background: var(--teal);
  color: #FFF;
}
.btn-teal:hover { background: var(--teal-dark); color: #FFF; }
.btn-dark {
  background: var(--text);
  color: #FFF;
}
.btn-dark:hover { background: #2a2a2b; color: #FFF; }

/* =========================================================
   CARDS
   ========================================================= */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;     /* original used square corners */
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.card-body { padding: 1.75rem; }
.card-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
  background: rgba(61,218,191,0.10);
  padding: 0.2rem 0.6rem;
}
.card h3 { margin-bottom: 0.6rem; font-size: 1.05rem; }
.card p  { color: var(--text-muted); font-size: 0.9rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 1.2rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
}
.card-link::after { content: '→'; transition: transform var(--transition); }
.card:hover .card-link::after { transform: translateX(3px); }

/* Card grids */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 1.5rem;
}

/* =========================================================
   SECTION LABELS
   ========================================================= */
.section-label {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.5rem;
  display: block;
}
.section-title { margin-bottom: 0.25rem; }
.section-intro {
  max-width: 600px;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

/* =========================================================
   FEATURED STRIP
   ========================================================= */
.featured-strip {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 3px solid var(--accent);
}
.featured-strip-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
  overflow: hidden;
  font-weight: 500;
}
.featured-strip-inner strong { color: var(--text); font-weight: 700; }

/* =========================================================
   PARTNER TAGS
   ========================================================= */
.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.partner-tag {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.35rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* =========================================================
   TWO-COLUMN
   ========================================================= */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.two-col.align-center { align-items: center; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }

/* =========================================================
   PROSE
   ========================================================= */
.prose { max-width: 700px; }
.prose h2 { margin-top: 2rem; margin-bottom: 0.6rem; }
.prose h3 { margin-top: 1.5rem; margin-bottom: 0.4rem; }
.prose p  { color: var(--text-muted); line-height: 1.8; }
.prose ul, .prose ol { color: var(--text-muted); margin-bottom: 1rem; }
.prose li { line-height: 1.7; }
.prose a  { color: var(--teal-dark); border-bottom: 1px solid rgba(61,218,191,0.3); }
.prose a:hover { color: var(--teal); border-bottom-color: var(--teal); }
.prose strong { color: var(--text); }

/* =========================================================
   PULL QUOTE
   ========================================================= */
.pull-quote {
  border-left: 4px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 1.1rem;
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  line-height: 1.6;
  background: var(--surface);
}

/* =========================================================
   INFO BANNER
   ========================================================= */
.info-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  padding: 1.1rem 1.4rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.info-banner a { color: var(--teal-dark); }
.info-banner strong { color: var(--text); }

/* =========================================================
   STAT ROW
   ========================================================= */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-dark);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
}

/* =========================================================
   ENTRY LIST
   ========================================================= */
.entry-list { list-style: none; padding: 0; }
.entry-list li {
  border-bottom: 1px solid var(--border-soft);
  padding: 1rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.entry-list li:first-child { border-top: 1px solid var(--border-soft); }
.entry-list li strong { color: var(--text); display: block; margin-bottom: 0.15rem; }

/* =========================================================
   PRESS ITEMS
   ========================================================= */
.press-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border-soft);
  align-items: flex-start;
}
.press-item:first-child { border-top: 1px solid var(--border-soft); }
.press-date {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  white-space: nowrap;
  min-width: 90px;
  padding-top: 0.15rem;
}
.press-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.2rem;
  line-height: 1.4;
  font-size: 0.95rem;
}
.press-source {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* =========================================================
   PERSON CARD
   ========================================================= */
.person-card {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
}
.person-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-dark);
  flex-shrink: 0;
  border: 2px solid var(--accent);
}
.person-info h3 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.person-role {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-dark);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}
.person-info p { font-size: 0.88rem; color: var(--text-muted); }

/* =========================================================
   PROGRAM BREADCRUMB
   ========================================================= */
.program-hero {
  padding-top: calc(var(--nav-h) + 3.5rem);
  padding-bottom: 3rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.program-breadcrumb {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.program-breadcrumb a { color: var(--text-muted); }
.program-breadcrumb a:hover { color: var(--teal-dark); }
.program-breadcrumb span { margin: 0 0.4rem; }

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 5rem;
}
.footer-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer-logos img { height: 70px; width: auto; opacity: 0.85; transition: opacity var(--transition); }
.footer-logos a:hover img { opacity: 1; }
.footer-logo-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}
.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-soft);
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* =========================================================
   HIGHLIGHT BAND (like the original lime-green panels)
   ========================================================= */
.band-accent {
  background: var(--accent);
  color: var(--text);
  padding: 3rem 0;
}
.band-dark {
  background: #1a2010;
  color: #FFFFFF;
  padding: 3rem 0;
}
.band-teal {
  background: var(--teal);
  color: #fff;
  padding: 3rem 0;
}

/* =========================================================
   WAVE BARS (decorative)
   ========================================================= */
.wave-bars {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 28px;
  justify-content: center;
  margin: 1.5rem auto;
}
.wave-bars span {
  display: block;
  width: 3px;
  background: var(--accent);
  border-radius: 3px;
  animation: bar-anim 1.4s ease-in-out infinite;
}
.wave-bars span:nth-child(2)  { animation-delay: 0.1s; }
.wave-bars span:nth-child(3)  { animation-delay: 0.2s; }
.wave-bars span:nth-child(4)  { animation-delay: 0.3s; }
.wave-bars span:nth-child(5)  { animation-delay: 0.15s; }
.wave-bars span:nth-child(6)  { animation-delay: 0.05s; }
.wave-bars span:nth-child(7)  { animation-delay: 0.25s; }
@keyframes bar-anim {
  0%, 100% { height: 6px; opacity: 0.4; }
  50% { height: 24px; opacity: 1; }
}

/* =========================================================
   CONTACT FORM
   ========================================================= */
.contact-form label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 1rem;
  outline: none;
  transition: border-color var(--transition);
  margin-bottom: 1.25rem;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus { border-color: var(--teal); }
.contact-form textarea { min-height: 130px; resize: vertical; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .card-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.5rem 0 2rem;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 2px solid var(--accent);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-item { width: 100%; }
  .nav-item > a { padding: 0.85rem 1.5rem; font-size: 0.85rem; border-bottom: 1px solid var(--border-soft); }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: var(--surface);
    border: none;
    border-top: none;
    border-radius: 0;
    box-shadow: none;
    padding-left: 0;
    display: none;
  }
  .nav-item.open .dropdown { display: block; }
  .dropdown li a { padding: 0.65rem 2rem; border-bottom: 1px solid var(--border-soft); }
  .nav-toggle { display: flex; }

  .person-card { flex-direction: column; }
  .press-item { flex-direction: column; gap: 0.25rem; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .footer-logos img { height: 50px; }
}

/* =========================================================
   UTILITIES
   ========================================================= */
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }
.text-accent { color: var(--accent-dark); }
.text-teal   { color: var(--teal-dark); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }
.bg-surface { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }