/* ===========================
   Industrial Chemicals Supplier
   Extended Industrial + Chemistry UI
   =========================== */

/* Reset-ish */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
:focus-visible { outline: 3px solid rgba(110, 231, 183, .35); outline-offset: 3px; }

/* Variables */
:root{
  --bg: #071020;
  --bg2:#0b1220;
  --panel:#0c1730;
  --card:#0e1b36;
  --card2:#0c1831;

  --text:#e8eefc;
  --muted: rgba(232, 238, 252, .74);
  --muted2: rgba(232, 238, 252, .58);

  --line: rgba(232, 238, 252, .10);
  --line2: rgba(232, 238, 252, .14);

  --accent: #6ee7b7;     /* mint */
  --accent2:#60a5fa;     /* blue */
  --accent3:#a78bfa;     /* violet */
  --warn:#fbbf24;

  --shadow: 0 18px 45px rgba(0,0,0,.35);
  --shadow2: 0 10px 26px rgba(0,0,0,.28);

  --radius: 18px;
  --radius2: 24px;

  --container: 1160px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

body{
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 20% 10%, rgba(110,231,183,.10), transparent 60%),
    radial-gradient(900px 700px at 90% 30%, rgba(96,165,250,.10), transparent 58%),
    radial-gradient(900px 700px at 55% 90%, rgba(167,139,250,.08), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Accessible helpers */
.sr-only{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0);
  border:0;
}
.skip-link{
  position:absolute;
  left: 12px; top: 12px;
  transform: translateY(-160%);
  background: rgba(0,0,0,.7);
  border: 1px solid var(--line2);
  color: var(--text);
  padding: .6rem .75rem;
  border-radius: 12px;
  z-index: 999999;
}
.skip-link:focus{ transform: translateY(0); }

/* Layout */
.container{
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}
.section{
  padding: 72px 0;
  position: relative;
}
.section-alt{
  background:
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border-top: 1px solid rgba(255,255,255,.05);
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.two-col{
  display: grid;
  gap: 28px;
  grid-template-columns: 1.35fr .85fr;
  align-items: start;
}
@media (max-width: 920px){
  .two-col{ grid-template-columns: 1fr; }
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 16px;
  margin-bottom: 18px;
}
@media (max-width: 820px){
  .section-head{ flex-direction: column; align-items: flex-start; }
}

h1,h2,h3{ letter-spacing: -0.02em; }
h1{
  font-size: clamp(2rem, 2.8vw + 1.2rem, 3.4rem);
  line-height: 1.05;
  margin: .75rem 0 1rem;
}
h2{
  font-size: clamp(1.35rem, 1.4vw + 1rem, 2.1rem);
  line-height: 1.15;
  margin: 0 0 .5rem;
}
h3{
  font-size: 1.08rem;
  line-height: 1.2;
  margin: 0 0 .4rem;
}
p{ line-height: 1.55; margin: 0; }
.muted{ color: var(--muted); }
.muted.small{ font-size: .92rem; }
.muted.tiny{ font-size: .85rem; color: var(--muted2); }
.lead{
  font-size: 1.05rem;
  color: rgba(232,238,252,.85);
  max-width: 60ch;
}
.eyebrow{
  display:flex;
  align-items:center;
  gap: 10px;
  font-size: .92rem;
  color: var(--muted);
}
.dot{
  width:6px; height:6px; border-radius:999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(110,231,183,.12);
}

/* Chemistry ambient visuals */
.chem-ambient{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.chem-grid{
  position:absolute; inset:0;
  opacity: .55;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 55% at 50% 35%, #000 35%, transparent 70%);
}
.chem-orbit{
  position:absolute;
  border: 1px solid rgba(110,231,183,.12);
  border-radius: 999px;
  filter: drop-shadow(0 0 20px rgba(110,231,183,.10));
}
.chem-orbit--a{
  width: 980px; height: 980px;
  left: -340px; top: -420px;
  transform: rotate(12deg);
}
.chem-orbit--b{
  width: 760px; height: 760px;
  right: -240px; top: -220px;
  border-color: rgba(96,165,250,.12);
  transform: rotate(-8deg);
}
.chem-orbit--c{
  width: 680px; height: 680px;
  left: 10%; bottom: -360px;
  border-color: rgba(167,139,250,.10);
  transform: rotate(18deg);
}

.chem-atoms .atom{
  position:absolute;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: .02em;
  color: rgba(232,238,252,.26);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.18);
  padding: .35rem .5rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.atom--1{ left: 10%; top: 16%; transform: rotate(-8deg); }
.atom--2{ right: 8%; top: 18%; transform: rotate(10deg); }
.atom--3{ left: 16%; bottom: 18%; transform: rotate(8deg); }
.atom--4{ right: 16%; bottom: 20%; transform: rotate(-10deg); }
.atom--5{ left: 52%; top: 12%; transform: rotate(6deg); }
.atom--6{ left: 62%; bottom: 14%; transform: rotate(-6deg); }
.atom--7{ left: 36%; top: 40%; transform: rotate(-12deg); }
.atom--8{ right: 36%; top: 52%; transform: rotate(12deg); }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 9999;
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(7,16,32,.62);
  backdrop-filter: blur(10px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  text-decoration:none;
}
.brand-text{ display:flex; flex-direction:column; gap: 2px; }
.brand-name{ font-weight: 800; letter-spacing: -.02em; }
.brand-sub{ font-size: .85rem; color: var(--muted); }

.brand-mark{
  width: 38px; height: 38px;
  position: relative;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(110,231,183,.16), rgba(96,165,250,.12));
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 12px 25px rgba(0,0,0,.25);
  overflow: hidden;
}
.brand-mark--small{ width: 34px; height: 34px; border-radius: 12px; }
.mark-core{
  position:absolute; inset: 10px;
  border-radius: 10px;
  background: radial-gradient(circle at 30% 25%, rgba(110,231,183,.75), rgba(96,165,250,.25));
  filter: blur(.2px);
}
.mark-ring{
  position:absolute;
  width: 60px; height: 60px;
  left: -18px; top: -20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  opacity:.7;
}
.mark-bond{
  position:absolute;
  width: 60px; height: 2px;
  left: -10px; top: 20px;
  background: linear-gradient(90deg, transparent, rgba(232,238,252,.45), transparent);
  transform: rotate(25deg);
  opacity:.8;
}

/* Nav */
.nav{ display:flex; align-items:center; gap: 10px; }
.nav-toggle{
  display:none;
  background: transparent;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  padding: .55rem .65rem;
  color: var(--text);
}
.burger{ display:inline-flex; width: 22px; height: 14px; position: relative; }
.burger span, .burger span::before, .burger span::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height: 2px;
  border-radius: 999px;
  background: rgba(232,238,252,.85);
}
.burger span{ top: 6px; }
.burger span::before{ top: -6px; }
.burger span::after{ top: 6px; }

.nav-menu{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav-link, .nav-icon{
  text-decoration:none;
  color: rgba(232,238,252,.82);
  font-size: .92rem;
  padding: .5rem .6rem;
  border-radius: 12px;
  border: 1px solid transparent;
}
.nav-link:hover, .nav-icon:hover{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.06);
}
.nav-link.active{
  background: rgba(110,231,183,.08);
  border-color: rgba(110,231,183,.20);
  color: rgba(232,238,252,.95);
}
.nav-cta{
  text-decoration:none;
  font-weight: 700;
  padding: .55rem .75rem;
  border-radius: 14px;
  border: 1px solid rgba(110,231,183,.30);
  background: linear-gradient(135deg, rgba(110,231,183,.18), rgba(96,165,250,.12));
  box-shadow: 0 10px 22px rgba(0,0,0,.18);
}
.nav-cta:hover{ filter: brightness(1.05); }

.li-icon{
  width: 16px; height: 16px; display:inline-block;
  background:
    radial-gradient(circle at 30% 30%, rgba(96,165,250,.9), rgba(96,165,250,.0)),
    linear-gradient(180deg, rgba(232,238,252,.75), rgba(232,238,252,.45));
  mask-image: radial-gradient(circle at 50% 50%, #000 55%, transparent 56%);
  border-radius: 4px;
}

/* Mobile menu */
@media (max-width: 980px){
  .nav-toggle{ display: inline-flex; }
  .nav-menu{
    position: absolute;
    right: 1rem;
    top: 62px;
    width: min(520px, calc(100% - 2rem));
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 6px;
    background: rgba(7,16,32,.92);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
  }
  .nav-menu.open{ display:flex; }
  .nav-link, .nav-icon, .nav-cta{ width: 100%; }
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  padding: .75rem 1rem;
  text-decoration:none;
  cursor:pointer;
  user-select:none;
  transition: transform .15s ease, filter .15s ease, background .15s ease, border-color .15s ease;
  background: rgba(255,255,255,.03);
  color: rgba(232,238,252,.92);
}
.btn:hover{ transform: translateY(-1px); filter: brightness(1.04); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  border-color: rgba(110,231,183,.30);
  background: linear-gradient(135deg, rgba(110,231,183,.22), rgba(96,165,250,.12));
}
.btn-ghost{
  background: rgba(255,255,255,.02);
}
.btn-link{
  background: transparent;
  border: 0;
  padding: .2rem 0;
  color: rgba(232,238,252,.88);
  text-decoration: none;
}
.btn-link:hover{ text-decoration: underline; }

.btn-linkedin{
  border-color: rgba(96,165,250,.30);
  background: linear-gradient(135deg, rgba(96,165,250,.20), rgba(96,165,250,.08));
}

/* Pills */
.pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: .35rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  color: rgba(232,238,252,.80);
  font-size: .78rem;
  letter-spacing: .02em;
}

/* Hero */
.hero{
  padding: 64px 0 22px;
  position: relative;
}
.hero-grid{
  display:grid;
  gap: 26px;
  grid-template-columns: 1.15fr .85fr;
  align-items: start;
}
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
}
.hero-actions{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.gradient-text{
  background: linear-gradient(90deg, rgba(110,231,183,1), rgba(96,165,250,1), rgba(167,139,250,1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.trust-row{
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.trust-item{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: .55rem .75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.trust-icon{
  width: 18px; height: 18px;
  display:grid; place-items:center;
  border-radius: 6px;
  border: 1px solid rgba(110,231,183,.35);
  background: rgba(110,231,183,.10);
  color: rgba(232,238,252,.9);
  font-weight: 800;
  font-size: .85rem;
}

/* Hero right panel */
.hero-panel{
  display:grid;
  gap: 14px;
}
.periodic-card{
  position: relative;
  padding: 16px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(800px 320px at 20% 10%, rgba(110,231,183,.12), transparent 55%),
    radial-gradient(800px 320px at 90% 40%, rgba(96,165,250,.10), transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: var(--shadow2);
  overflow: hidden;
}
.pc-top{
  display:flex;
  gap: 14px;
  align-items:center;
}
.pc-symbol{
  width: 62px; height: 62px;
  border-radius: 18px;
  display:grid; place-items:center;
  font-family: var(--mono);
  font-weight: 900;
  font-size: 1.55rem;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
}
.pc-name{ font-weight: 900; letter-spacing: -.02em; }
.pc-sub{ color: var(--muted); font-size: .9rem; }
.pc-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.pc-cell{
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.18);
}
.pc-cell .k{
  font-family: var(--mono);
  font-size: .78rem;
  color: rgba(232,238,252,.65);
}
.pc-cell .v{
  margin-top: 3px;
  font-weight: 700;
  color: rgba(232,238,252,.92);
}

.bond-lines{
  position:absolute;
  inset: -30px -30px auto auto;
  width: 220px; height: 220px;
  opacity: .55;
  transform: rotate(18deg);
}
.bond-lines span{
  position:absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(232,238,252,.35), transparent);
}
.bond-lines span:nth-child(1){ top: 56px; }
.bond-lines span:nth-child(2){ top: 98px; }
.bond-lines span:nth-child(3){ top: 140px; }

.mini-cards{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.mini-card{
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.mini-title{ font-weight: 800; }
.mini-text{ color: var(--muted); font-size: .92rem; margin-top: 6px; }

/* Marquee */
.hero-marquee{
  margin-top: 18px;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
  overflow: hidden;
}
.marquee-track{
  display:flex;
  gap: 26px;
  padding: 10px 0;
  white-space: nowrap;
  font-family: var(--mono);
  color: rgba(232,238,252,.55);
  animation: marquee 22s linear infinite;
}
.marquee-track span{
  opacity: .8;
  letter-spacing: .04em;
}
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .marquee-track{ animation: none; }
}

/* Cards & grids */
.grid{ display:grid; gap: 14px; }
.cards-3{ grid-template-columns: repeat(3, 1fr); }
.cards-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px){
  .cards-3{ grid-template-columns: 1fr; }
  .cards-2{ grid-template-columns: 1fr; }
}

.card{
  position: relative;
  padding: 16px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 10% 10%, rgba(110,231,183,.08), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: 0 12px 30px rgba(0,0,0,.22);
  overflow: hidden;
}
.card::after{
  content:"";
  position:absolute;
  inset: 0;
  background:
    radial-gradient(500px 200px at 80% 20%, rgba(96,165,250,.06), transparent 55%),
    radial-gradient(520px 220px at 30% 120%, rgba(167,139,250,.05), transparent 58%);
  pointer-events:none;
}
.card > *{ position: relative; z-index: 1; }

.card-icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* Checklist */
.checklist{
  list-style:none;
  padding:0;
  margin: 10px 0 0;
  display:grid;
  gap: 8px;
}
.checklist.compact{ gap: 7px; }
.checklist li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  color: rgba(232,238,252,.78);
}
.check{
  width: 18px; height: 18px;
  display:grid; place-items:center;
  border-radius: 6px;
  border: 1px solid rgba(110,231,183,.30);
  background: rgba(110,231,183,.10);
  color: rgba(232,238,252,.92);
  font-weight: 900;
  flex: 0 0 auto;
}

/* Lanes */
.lane-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.lane-badge{
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  padding: .35rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  color: rgba(232,238,252,.70);
}
.lane-tags{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  margin-top: 12px;
}
.tag{
  font-size: .78rem;
  padding: .35rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  color: rgba(232,238,252,.75);
}
.lane-link{
  display:inline-flex;
  margin-top: 14px;
  color: rgba(232,238,252,.90);
  text-decoration:none;
  font-weight: 800;
}
.lane-link:hover{ text-decoration: underline; }

/* Panel */
.panel{
  position: sticky;
  top: 92px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 20% 10%, rgba(96,165,250,.08), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  padding: 16px;
  box-shadow: var(--shadow2);
}
@media (max-width: 920px){
  .panel{ position: relative; top: 0; }
}
.panel-top{ margin-bottom: 10px; }
.panel-note{
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255,255,255,.12);
}

.doc-list{
  list-style:none;
  padding:0;
  margin: 12px 0 0;
  display:grid;
  gap: 12px;
}
.doc-list li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
}
.doc-dot{
  width: 12px; height: 12px;
  border-radius: 999px;
  margin-top: 4px;
  background: rgba(110,231,183,.55);
  box-shadow: 0 0 0 6px rgba(110,231,183,.10);
}

/* Academy */
.academy-controls{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin: 14px 0 18px;
}
.search{
  position: relative;
  display:block;
  flex: 1 1 320px;
  max-width: 520px;
}
.search input{
  width:100%;
  padding: .85rem .95rem;
  padding-right: 2.3rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  color: rgba(232,238,252,.92);
}
.search input::placeholder{ color: rgba(232,238,252,.50); }
.search-icon{
  position:absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  opacity: .7;
  font-family: var(--mono);
}

.chips{ display:flex; flex-wrap:wrap; gap: 8px; }
.chip{
  padding: .45rem .65rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  color: rgba(232,238,252,.74);
  font-size: .82rem;
}

.academy-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 1020px){
  .academy-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px){
  .academy-grid{ grid-template-columns: 1fr; }
}
.academy-card{
  text-decoration:none;
  padding: 14px 14px 14px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 10% 10%, rgba(167,139,250,.06), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: 0 12px 26px rgba(0,0,0,.22);
  transition: transform .15s ease, border-color .15s ease, filter .15s ease;
  display:grid;
  gap: 8px;
}
.academy-card:hover{
  transform: translateY(-2px);
  border-color: rgba(110,231,183,.22);
  filter: brightness(1.03);
}
.ac-k{
  font-family: var(--mono);
  font-weight: 800;
  font-size: .85rem;
  color: rgba(232,238,252,.68);
}
.ac-t{
  font-weight: 900;
  letter-spacing: -.02em;
}
.ac-m{
  color: var(--muted);
  font-size: .92rem;
}

.academy-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* Callout */
.callout{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
  padding: 18px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 20% 10%, rgba(110,231,183,.10), transparent 55%),
    radial-gradient(700px 260px at 90% 40%, rgba(96,165,250,.08), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
}
.callout-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
@media (max-width: 850px){
  .callout{ flex-direction: column; align-items:flex-start; }
}

/* Footer */
.site-footer{
  padding: 40px 0 20px;
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.12);
}
.footer-grid{
  display:grid;
  gap: 22px;
  grid-template-columns: 1.05fr .95fr;
  align-items:start;
}
@media (max-width: 980px){
  .footer-grid{ grid-template-columns: 1fr; }
}
.footer-brand .brand-row{
  display:flex; align-items:center; gap: 12px;
}
.footer-title{ font-weight: 900; letter-spacing: -.02em; }
.footer-sub{ color: var(--muted); font-size: .92rem; margin-top: 3px; }

.footer-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.footer-cols{
  display:grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 760px){
  .footer-cols{ grid-template-columns: 1fr; }
}
.footer-col{
  padding: 14px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.footer-head{
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: rgba(232,238,252,.70);
  margin-bottom: 8px;
}
.footer-col a{
  display:block;
  text-decoration:none;
  padding: .35rem 0;
  color: rgba(232,238,252,.84);
}
.footer-col a:hover{ text-decoration: underline; }

.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-links{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-links a{
  color: rgba(232,238,252,.74);
  text-decoration:none;
}
.footer-links a:hover{ text-decoration: underline; }

/* Floating Contact Button */
.float-btn{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1100;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(110,231,183,.30);
  background: linear-gradient(135deg, rgba(110,231,183,.18), rgba(96,165,250,.10));
  color: rgba(232,238,252,.95);
  box-shadow: 0 18px 34px rgba(0,0,0,.35);
  cursor:pointer;
}
.float-btn:hover{ filter: brightness(1.05); transform: translateY(-1px); }
.float-icon{
  width: 28px; height: 28px;
  border-radius: 999px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.20);
}
.float-text{ font-weight: 900; letter-spacing: -.01em; }
@media (max-width: 520px){
  .float-text{ display:none; }
  .float-btn{ padding: 12px; }
}

/* Modal */
body.modal-open{ overflow: hidden; }

.modal{
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
}
.modal[aria-hidden="false"]{ display:block; }
.modal-backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(6px);
}
.modal-panel{
  position: absolute;
  right: 16px;
  bottom: 84px;
  width: min(520px, calc(100vw - 32px));
  max-height: calc(100vh - 120px);
  overflow:auto;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(700px 260px at 20% 10%, rgba(110,231,183,.12), transparent 55%),
    radial-gradient(700px 260px at 90% 40%, rgba(96,165,250,.10), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
}
.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 10px;
  padding: 16px 16px 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.modal-eyebrow{
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(232,238,252,.70);
}
.modal-title{
  margin: 4px 0 6px;
  font-size: 1.15rem;
  letter-spacing: -.02em;
}
.icon-btn{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
  color: rgba(232,238,252,.92);
  border-radius: 14px;
  width: 40px; height: 40px;
  cursor:pointer;
}
.icon-btn:hover{ filter: brightness(1.06); }

.modal-foot{
  padding: 12px 16px 16px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.mini-note{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 12px;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,.16);
  background: rgba(0,0,0,.18);
}
.mini-note-k{
  font-family: var(--mono);
  font-size: .78rem;
  padding: .25rem .45rem;
  border-radius: 999px;
  border: 1px solid rgba(110,231,183,.25);
  background: rgba(110,231,183,.08);
  color: rgba(232,238,252,.84);
}
.mini-note-v{ color: var(--muted); font-size: .92rem; }

/* Form */
.form{ padding: 14px 16px 16px; }
.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 520px){
  .form-grid{ grid-template-columns: 1fr; }
}
label span{
  display:block;
  font-size: .86rem;
  color: rgba(232,238,252,.78);
  margin-bottom: 6px;
}
input, textarea{
  width:100%;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.20);
  color: rgba(232,238,252,.92);
  padding: .8rem .85rem;
}
textarea{ resize: vertical; min-height: 120px; }
.full{ grid-column: 1 / -1; }
.checkbox{
  display:flex;
  gap: 10px;
  align-items:flex-start;
}
.checkbox input{
  width: 18px; height: 18px;
  margin-top: 3px;
  accent-color: var(--accent);
}
.form-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.hp{
  position:absolute !important;
  left:-9999px !important;
  width:1px !important;
  height:1px !important;
  opacity:0 !important;
}

/* Toast */
.toast{
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 1300;
  width: min(420px, calc(100vw - 32px));
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
  transform: translateY(14px);
  opacity: 0;
  transition: opacity .18s ease, transform .18s ease;
}
.toast.show{ opacity: 1; transform: translateY(0); }
.toast-inner{
  display:flex;
  align-items:flex-start;
  gap: 12px;
  padding: 12px 12px;
}
.toast-icon{
  width: 28px; height: 28px;
  border-radius: 10px;
  display:grid; place-items:center;
  border: 1px solid rgba(110,231,183,.30);
  background: rgba(110,231,183,.10);
  font-weight: 900;
}
.toast-title{ font-weight: 900; letter-spacing: -.01em; }
.toast-sub{ color: var(--muted); font-size: .92rem; margin-top: 2px; }
.toast-close{
  margin-left: auto;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(232,238,252,.85);
  border-radius: 12px;
  width: 36px; height: 36px;
  cursor:pointer;
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; }
  .academy-card, .btn, .float-btn{ transition: none !important; }
}


/* Thank-you popup (3 seconds) */
.thanks-pop{
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,.52);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  z-index: 10000;
}
.thanks-pop.show{
  opacity: 1;
  pointer-events: auto;
}
.thanks-card{
  width: min(520px, calc(100% - 28px));
  background: rgba(15, 21, 38, .98);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 18px 18px 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,.55);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.thanks-icon{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
  font-weight: 900;
}
.thanks-title{ font-weight: 900; letter-spacing: -.01em; }
.thanks-sub{ color: var(--muted); margin-top: 2px; font-size: .95rem; }