/* ======================================
   REFINIUM AI — WEBSITE STYLESHEET v3
   Matching the live app.refinium-ai.com design
   Fonts: Outfit (headings) + DM Sans (body)
   ====================================== */

:root {
  --bg:         #0A1628;
  --bg-alt:     #0D1C35;
  --card:       #111F3A;
  --card-hover: #152548;
  --border:     #1E3058;
  --gold:       #C8941A;
  --gold-lt:    #E0AA35;
  --teal:       #2DD4BF;
  --purple:     #8B5CF6;
  --green:      #10B981;
  --blue:       #3B82F6;
  --white:      #FFFFFF;
  --gray-1:     #E2EAF4;
  --gray-2:     #9EB0C8;
  --gray-3:     #4A6080;
  --font-h:     'Raleway', sans-serif;
  --font-b:     'DM Sans', sans-serif;
  --r:          6px;
  --r-lg:       10px;
  --t:          0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--bg); color: var(--gray-1); font-family: var(--font-b); line-height: 1.65; overflow-x: hidden; }
img  { display: block; max-width: 100%; }
a    { color: inherit; text-decoration: none; }
input, textarea, button, select { font-family: var(--font-b); }

/* ---- Utils ---- */
.container { width: 92%; max-width: 1760px; margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 6rem 2rem; }
.section-alt { background: var(--bg-alt); padding: 6rem 2rem; }

/* ---- Common typography ---- */
.label {
  font-family: var(--font-h);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}
.h2 {
  font-family: var(--font-h);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.8rem);
  color: var(--white);
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 1.25rem;
}
.intro-text {
  font-size: 1.1rem;
  color: var(--gray-2);
  max-width: 820px;
  line-height: 1.8;
  margin-bottom: 3.5rem;
}
.body-text { font-size: 1.05rem; color: var(--gray-2); line-height: 1.8;  margin-bottom: 1rem; }
.body-lg   { font-size: 1.1rem;  color: var(--gray-2); line-height: 1.82; margin-bottom: 1rem; }
.body-lg strong { color: var(--white); font-weight: 600; }

/* ---- Buttons ---- */
.btn-gold {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-h); font-weight: 600; font-size: 0.88rem;
  padding: 0.75rem 1.6rem; border-radius: var(--r); cursor: pointer;
  transition: background var(--t), color var(--t);
}
.btn-gold:hover { background: var(--gold); color: var(--bg); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--gray-1);
  font-family: var(--font-h); font-weight: 600; font-size: 0.88rem;
  padding: 0.75rem 1.6rem; border-radius: var(--r); cursor: pointer;
  transition: border-color var(--t), color var(--t);
}
.btn-outline:hover { border-color: var(--gray-2); color: var(--white); }

/* ======================================
   NAVBAR
   ====================================== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 22, 40, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  transition: box-shadow var(--t);
}
.navbar.scrolled { box-shadow: 0 2px 30px rgba(0,0,0,0.5); }
.nav-inner {
  width: 92%; max-width: 1760px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 58px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav-logo-icon { width: 26px; height: 30px; flex-shrink: 0; }
.nav-logo-text {
  font-family: var(--font-h); font-weight: 700; font-size: 1rem;
  letter-spacing: 0.1em; color: var(--white); text-transform: uppercase;
}
.nav-logo-text em { color: var(--gold); font-style: normal; }
.nav-links { display: flex; list-style: none; gap: 0; }
.nav-links a {
  font-family: var(--font-b); font-weight: 500; font-size: 0.8rem;
  color: var(--gray-2); padding: 0.5rem 0.9rem; display: block;
  transition: color var(--t);
}
.nav-links a:hover { color: var(--white); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.3rem; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; }
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: var(--bg); flex-direction: column; align-items: center; justify-content: center;
}
.mobile-menu.open { display: flex; }
.mobile-menu ul { list-style: none; text-align: center; }
.mobile-menu li { margin: 1.2rem 0; }
.mobile-menu a { font-family: var(--font-h); font-size: 2rem; font-weight: 700; color: var(--white); }
.mobile-menu a:hover { color: var(--gold); }
.mobile-menu-logo {
  display: flex; align-items: center; gap: 12px; margin-bottom: 2.5rem;
  font-family: var(--font-h); font-weight: 700; font-size: 1.1rem;
  letter-spacing: 0.1em; color: var(--white); text-transform: uppercase;
}
.mobile-menu-logo em { color: var(--gold); font-style: normal; }

/* ======================================
   HERO
   ====================================== */
.hero { padding-top: 58px; }
.hero-img-wrap { position: relative; width: 100%; height: 48vh; overflow: hidden; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
.hero-img-fade {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,22,40,0.2) 0%, rgba(10,22,40,0.5) 60%, rgba(10,22,40,1) 100%);
}
.hero-body { background: var(--bg); padding: 3.5rem 0 4.5rem; }
.hero-body-inner {
  display: flex; align-items: flex-start; gap: 2.5rem;
}
.cdu-icon { width: 80px; flex-shrink: 0; padding-top: 0.5rem; opacity: 0.85; }
.cdu-icon svg { width: 70px; height: 120px; }
.hero-text { flex: 1; }
.hero-title {
  font-family: var(--font-h); font-weight: 800;
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  color: var(--white); letter-spacing: 0.04em;
  line-height: 1.05; margin-bottom: 0.5rem;
}
.hero-tagline {
  font-family: var(--font-h); font-weight: 300; font-size: 1.2rem;
  font-style: italic; color: var(--gold); margin-bottom: 1.4rem;
  letter-spacing: 0.06em;
}
.hero-desc { font-size: 1.08rem; color: var(--gray-2); max-width: 680px; line-height: 1.8; margin-bottom: 2rem; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ======================================
   ABOUT
   ====================================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-img-wrap { border-radius: var(--r-lg); overflow: hidden; height: 400px; }
.about-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.about-img-wrap:hover img { transform: scale(1.04); }

/* ======================================
   MISSION / VISION / OBJECTIVE
   ====================================== */
.mvg-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; margin-top: 2.5rem; }
.mvg-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem 1.75rem;
  position: relative; overflow: hidden;
  transition: transform var(--t), border-color var(--t);
}
.mvg-card:hover { transform: translateY(-3px); }
.mvg-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.mvg-card.accent-gold::before { background: var(--gold); }
.mvg-card.accent-purple::before { background: var(--purple); }
.mvg-card.accent-teal::before { background: var(--teal); }
.mvg-card.accent-gold:hover { border-color: var(--gold); }
.mvg-card.accent-purple:hover { border-color: var(--purple); }
.mvg-card.accent-teal:hover { border-color: var(--teal); }
.mvg-label {
  font-family: var(--font-h); font-weight: 600; font-size: 0.7rem;
  letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 1rem;
}
.mvg-label.gold   { color: var(--gold); }
.mvg-label.purple { color: var(--purple); }
.mvg-label.teal   { color: var(--teal); }
.mvg-card p { font-size: 1rem; color: var(--gray-2); line-height: 1.72; }

/* ======================================
   PLATFORM FEATURES
   ====================================== */
.feature-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem; }
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem 1.5rem;
  transition: border-color var(--t), transform var(--t);
}
.feature-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.feature-icon { font-size: 1.5rem; color: var(--gold); margin-bottom: 1rem; }
.feature-card h3 { font-family: var(--font-h); font-weight: 600; font-size: 0.95rem; color: var(--white); margin-bottom: 0.75rem; line-height: 1.4; letter-spacing: 0em; }
.feature-card p  { font-size: 0.97rem; color: var(--gray-2); line-height: 1.72; }

/* ======================================
   DISCIPLINES
   ====================================== */
.disc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.disc-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: border-color var(--t), transform var(--t);
}
.disc-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.disc-photo { height: 185px; overflow: hidden; }
.disc-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.disc-card:hover .disc-photo img { transform: scale(1.05); }
.disc-body { padding: 1.4rem 1.25rem; }
.disc-body h3 { font-family: var(--font-h); font-weight: 600; font-size: 0.98rem; color: var(--white); margin-bottom: 0.4rem; }
.disc-body p  { font-size: 0.97rem; color: var(--gray-2); line-height: 1.72; margin-bottom: 0.9rem; }
.disc-label { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.35rem; }
.disc-mods  { font-size: 0.78rem; color: var(--gray-2); line-height: 1.5; }

/* ======================================
   SERVICES
   ====================================== */
.svc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.svc-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem 1.4rem;
  display: flex; flex-direction: column;
  transition: border-color var(--t), transform var(--t);
}
.svc-card:hover { transform: translateY(-3px); }
.svc-card.highlight { border-color: var(--gold); }
.svc-num {
  font-family: var(--font-h); font-weight: 800; font-size: 1.6rem;
  color: var(--gray-3); line-height: 1; margin-bottom: 0.9rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.svc-badge {
  font-size: 0.58rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gold);
  border: 1px solid rgba(200,148,26,0.4); background: rgba(200,148,26,0.08);
  padding: 0.2rem 0.5rem; border-radius: 3px;
}
.svc-name { font-family: var(--font-h); font-weight: 600; font-size: 0.98rem; color: var(--white); margin-bottom: 0.3rem; line-height: 1.35; letter-spacing: 0em; }
.svc-code { font-family: var(--font-h); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.6rem; }
.svc-code.gold   { color: var(--gold); }
.svc-code.teal   { color: var(--teal); }
.svc-code.purple { color: var(--purple); }
.svc-divider { height: 2px; width: 36px; margin-bottom: 1rem; border-radius: 2px; }
.svc-divider.gold   { background: var(--gold); }
.svc-divider.teal   { background: var(--teal); }
.svc-divider.purple { background: var(--purple); }
.svc-card p { font-size: 0.95rem; color: var(--gray-2); line-height: 1.72; flex: 1; margin-bottom: 1.25rem; }
.svc-link {
  font-family: var(--font-h); font-weight: 700; font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: opacity var(--t);
}
.svc-link:hover { opacity: 0.75; }
.svc-link.gold   { color: var(--gold); }
.svc-link.teal   { color: var(--teal); }
.svc-link.purple { color: var(--purple); }

/* ======================================
   MODULES
   ====================================== */
.mod-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.mod-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.5rem;
  display: flex; flex-direction: column;
  transition: border-color var(--t), transform var(--t);
}
.mod-card:hover { transform: translateY(-3px); }
.mod-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 0.75rem;
}
.mod-num {
  font-family: var(--font-h); font-weight: 800; font-size: 1.6rem;
  color: var(--gray-3); line-height: 1;
}
.mod-right { display: flex; flex-direction: column; align-items: flex-end; gap: 0.4rem; }
.mod-code {
  font-family: var(--font-h); font-weight: 700; font-size: 0.65rem;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.mod-code.gold   { color: var(--gold); }
.mod-code.teal   { color: var(--teal); }
.mod-code.purple { color: var(--purple); }
.mod-code.green  { color: var(--green); }
.mod-code.blue   { color: var(--blue); }
.badge {
  font-family: var(--font-h); font-weight: 700; font-size: 0.6rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.2rem 0.55rem; border-radius: 3px;
}
.badge.live { background: rgba(16,185,129,0.12); color: #10B981; border: 1px solid rgba(16,185,129,0.3); }
.badge.dev  { background: rgba(59,130,246,0.12); color: #3B82F6;  border: 1px solid rgba(59,130,246,0.3); }
.badge.soon { background: rgba(245,158,11,0.12); color: #F59E0B;  border: 1px solid rgba(245,158,11,0.3); }
.badge.new  { background: rgba(45,212,191,0.12); color: #2DD4BF;  border: 1px solid rgba(45,212,191,0.3); }
.badge.testing { background: rgba(200,148,26,0.14); color: #C8941A; border: 1px solid rgba(200,148,26,0.35); }
.badge.indev   { background: rgba(148,163,184,0.12); color: #94A3B8; border: 1px solid rgba(148,163,184,0.3); }
.mod-name {
  font-family: var(--font-h); font-weight: 600; font-size: 1.02rem;
  color: var(--white); line-height: 1.3; margin-bottom: 0.65rem;
  letter-spacing: 0em;
}
.mod-desc { font-size: 0.93rem; color: var(--gray-2); line-height: 1.72; flex: 1; margin-bottom: 0.9rem; }
.mod-roles {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gray-3); margin-bottom: 0.75rem;
}
.mod-link {
  font-family: var(--font-h); font-weight: 700; font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  transition: opacity var(--t);
}
.mod-link:hover { opacity: 0.7; }
.mod-link.gold   { color: var(--gold); }
.mod-link.teal   { color: var(--teal); }
.mod-link.purple { color: var(--purple); }
.mod-link.green  { color: var(--green); }
.mod-link.blue   { color: var(--blue); }
.mod-link.muted  { color: var(--gray-3); }
.mod-card:hover { border-color: var(--border); }
.mod-card:has(.mod-code.gold):hover  { border-color: rgba(200,148,26,0.4); }
.mod-card:has(.mod-code.teal):hover  { border-color: rgba(45,212,191,0.35); }
.mod-card:has(.mod-code.purple):hover{ border-color: rgba(139,92,246,0.4); }
.mod-card:has(.mod-code.green):hover { border-color: rgba(16,185,129,0.35); }
.mod-card:has(.mod-code.blue):hover  { border-color: rgba(59,130,246,0.35); }

/* ======================================
   DAY TO DAY
   ====================================== */
.day-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.day-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem;
  position: relative; overflow: hidden;
  transition: transform var(--t), border-color var(--t);
}
.day-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.day-card.accent-gold::before   { background: var(--gold); }
.day-card.accent-purple::before { background: var(--purple); }
.day-card.accent-teal::before   { background: var(--teal); }
.day-card.accent-gold:hover   { border-color: var(--gold); transform: translateY(-3px); }
.day-card.accent-purple:hover { border-color: var(--purple); transform: translateY(-3px); }
.day-card.accent-teal:hover   { border-color: var(--teal); transform: translateY(-3px); }
.day-card h3 { font-family: var(--font-h); font-weight: 600; font-size: 0.95rem; color: var(--white); margin-bottom: 0.75rem; line-height: 1.45; }
.day-card p  { font-size: 0.97rem; color: var(--gray-2); line-height: 1.7; margin-bottom: 1rem; }
.day-mods { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-3); }

/* ======================================
   CONTACT
   ====================================== */
.contact-section { position: relative; padding: 6rem 2rem; }
.contact-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.contact-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,22,40,0.96) 50%, rgba(10,22,40,0.82) 100%);
}
.contact-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 340px; gap: 4rem; align-items: start;
}
.contact-left .h2 { margin-bottom: 0.75rem; }
.contact-left .body-text { margin-bottom: 2rem; }
.contact-form-wrap { background: rgba(17,31,58,0.9); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 2rem; backdrop-filter: blur(8px); }
.form-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; margin-bottom: 0; }
.form-group label {
  font-family: var(--font-h); font-weight: 700; font-size: 0.62rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-3);
  margin-bottom: 0.35rem;
}
.req { color: var(--gold); }
.form-group input, .form-group textarea {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--white); padding: 0.65rem 0.85rem;
  font-size: 0.9rem; resize: vertical; transition: border-color var(--t);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--gold); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray-3); }
.form-group textarea { margin-top: 1rem; margin-bottom: 1rem; }
.form-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.form-note { font-size: 0.78rem; color: var(--gray-3); }
.form-note strong { color: var(--gray-2); }
.btn-send {
  background: linear-gradient(135deg, #7C3AED, #4F46E5);
  color: var(--white); border: none; border-radius: var(--r);
  padding: 0.75rem 1.75rem; font-family: var(--font-h); font-weight: 700;
  font-size: 0.9rem; cursor: pointer;
  transition: opacity var(--t), transform 0.2s;
}
.btn-send:hover { opacity: 0.88; transform: translateY(-1px); }

.contact-right { position: sticky; top: 80px; }
.contact-card {
  background: rgba(17,31,58,0.92); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem; backdrop-filter: blur(8px);
}
.contact-card h3 { font-family: var(--font-h); font-weight: 800; font-size: 1.1rem; color: var(--white); margin-bottom: 1.5rem; }
.cinfo { margin-bottom: 1.1rem; }
.cinfo-label { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-3); margin-bottom: 0.25rem; }
.cinfo-val { font-size: 0.9rem; color: var(--teal); }
.cinfo-val.plain { color: var(--white); }

/* ======================================
   FOOTER
   ====================================== */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 3rem 2rem; }
.footer-inner { display: flex; gap: 5rem; align-items: flex-start; }
.footer-brand { min-width: 200px; }
.footer-name { font-family: var(--font-h); font-weight: 700; font-size: 1rem; letter-spacing: 0.06em; color: var(--white); margin-bottom: 0.4rem; }
.footer-tagline { font-style: italic; font-size: 0.82rem; color: var(--gold); margin-bottom: 1.2rem; }
.footer-copy { font-size: 0.75rem; color: var(--gray-3); }
.footer-nav { flex: 1; display: flex; gap: 3rem; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; min-width: 130px; }
.footer-col-hd { font-family: var(--font-h); font-weight: 700; font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.4rem; }
.footer-col a { font-size: 0.85rem; color: var(--gray-3); transition: color var(--t); }
.footer-col a:hover { color: var(--white); }

/* ======================================
   RESPONSIVE
   ====================================== */
@media (min-width: 1500px) {
  .mod-grid { grid-template-columns: repeat(4,1fr); }
}
@media (max-width: 1100px) {
  .svc-grid { grid-template-columns: repeat(3,1fr); }
  .mod-grid { grid-template-columns: repeat(2,1fr); }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .grid-2 { grid-template-columns: 1fr; gap: 2.5rem; }
  .mvg-grid { grid-template-columns: 1fr; }
  .disc-grid { grid-template-columns: repeat(2,1fr); }
  .svc-grid { grid-template-columns: repeat(2,1fr); }
  .day-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-right { position: static; }
  .footer-inner { flex-direction: column; gap: 2rem; }
  .hero-body-inner { flex-direction: column; gap: 1.5rem; }
  .cdu-icon { display: none; }
}
@media (max-width: 640px) {
  .disc-grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .mod-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .form-row2 { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
}


/* ---- Course Catalog ---- */
.course-controls { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; margin-bottom: 1.6rem; }
.course-select, .course-search { background: var(--bg-alt); border: 1px solid var(--border); color: var(--gray-1); border-radius: var(--r); padding: 0.7rem 0.9rem; font-size: 0.98rem; }
.course-select { min-width: 320px; cursor: pointer; }
.course-search { flex: 1; min-width: 240px; }
.course-select:focus, .course-search:focus { outline: none; border-color: var(--gold); }
.course-count { color: var(--gray-2); font-size: 0.9rem; white-space: nowrap; }
.course-cat { margin-bottom: 2rem; }
.course-cat-name { font-family: var(--font-h); color: var(--gold); font-size: 1.15rem; font-weight: 700; margin-bottom: 0.7rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); }
.course-cat-n { color: var(--gray-3); font-size: 0.85rem; font-weight: 500; margin-left: 0.3rem; }
.course-row { display: grid; grid-template-columns: 96px 1fr auto auto; gap: 1rem; align-items: center; padding: 0.6rem 0.4rem; border-bottom: 1px solid rgba(30,48,88,0.5); }
.course-row:hover { background: rgba(200,148,26,0.05); }
.course-code { font-weight: 600; color: var(--gold); font-size: 0.85rem; letter-spacing: 0.02em; }
.course-title { color: var(--gray-1); font-size: 0.98rem; }
.course-hrs { color: var(--gray-2); font-size: 0.85rem; white-space: nowrap; }
.course-lvl { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 0.18rem 0.5rem; border-radius: 3px; white-space: nowrap; }
.lvl-foundation   { background: rgba(45,212,191,0.12); color: #2DD4BF; border: 1px solid rgba(45,212,191,0.3); }
.lvl-intermediate { background: rgba(59,130,246,0.12); color: #3B82F6; border: 1px solid rgba(59,130,246,0.3); }
.lvl-advanced     { background: rgba(200,148,26,0.14); color: #C8941A; border: 1px solid rgba(200,148,26,0.35); }
.lvl-expert       { background: rgba(168,85,247,0.14); color: #A855F7; border: 1px solid rgba(168,85,247,0.35); }
.course-empty { color: var(--gray-2); }
@media (max-width: 640px) {
  .course-row { grid-template-columns: 1fr auto; gap: 0.35rem 0.8rem; }
  .course-title { grid-column: 1 / -1; order: 3; }
  .course-select { min-width: 100%; }
}


/* ---- Course Catalog accordion ---- */
.course-btn { background: var(--bg-alt); border: 1px solid var(--border); color: var(--gray-1); border-radius: var(--r); padding: 0.6rem 0.95rem; font-size: 0.9rem; cursor: pointer; }
.course-btn:hover { border-color: var(--gold); color: var(--white); }
.course-accordion { display: flex; flex-direction: column; gap: 0.6rem; }
.course-acc-item { border: 1px solid var(--border); border-radius: var(--r); background: var(--bg-alt); overflow: hidden; }
.course-acc-head { width: 100%; display: flex; align-items: center; gap: 1rem; background: none; border: none; cursor: pointer; padding: 1rem 1.1rem; text-align: left; color: var(--gray-1); }
.course-acc-head:hover { background: rgba(200,148,26,0.06); }
.course-acc-name { font-family: var(--font-h); font-weight: 700; font-size: 1.05rem; color: var(--white); flex: 1; }
.course-acc-meta { color: var(--gray-2); font-size: 0.85rem; white-space: nowrap; }
.course-acc-chev { color: var(--gold); transition: transform 0.25s ease; font-size: 0.8rem; }
.course-acc-item.open .course-acc-chev { transform: rotate(180deg); }
.course-acc-body { display: none; padding: 0.2rem 1.1rem 0.9rem; }
.course-acc-item.open .course-acc-body { display: block; }
@media (max-width: 640px) { .course-acc-name { font-size: 0.95rem; } .course-acc-meta { font-size: 0.78rem; } }