/* ═══════════════════════════════════════════════
   ECOSYSTEM PAGE — PREMIUM FUTURISTIC DARK
═══════════════════════════════════════════════ */

/* ── EXTRA CSS VARS ── */
:root {
  --eco-purple: #7C3AED;
  --eco-blue:   #2563EB;
  --eco-cyan:   #06B6D4;
  --eco-green:  #10B981;
  --eco-pink:   #EC4899;
  --grad-main:  linear-gradient(135deg, #E63022 0%, #7C3AED 50%, #2563EB 100%);
  --grad-ai:    linear-gradient(135deg, #06B6D4 0%, #7C3AED 100%);
  --grad-warm:  linear-gradient(135deg, #E63022 0%, #F59E0B 100%);
  --glass-bg:   rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.08);
  --glow-red:   0 0 30px rgba(230,48,34,0.3);
  --glow-purple:0 0 30px rgba(124,58,237,0.3);
  --glow-cyan:  0 0 30px rgba(6,182,212,0.3);
}
[data-theme="light"] {
  --glass-bg:   rgba(0,0,0,0.02);
  --glass-border: rgba(0,0,0,0.08);
}

/* ══ PARTICLES CANVAS ══ */
#ecoParticles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
}

/* ══ ECO HERO ══ */
.eco-hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 130px 0 80px;
  background: var(--bg);
}
.eco-hero__bg {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}
.eco-hero__orb {
  position: absolute; border-radius: 50%;
  filter: blur(100px); animation: orbFloat 10s ease-in-out infinite alternate;
}
.orb-1 { width:700px;height:700px; background:radial-gradient(circle,rgba(124,58,237,0.15),transparent 70%); top:-200px;right:-150px; }
.orb-2 { width:500px;height:500px; background:radial-gradient(circle,rgba(230,48,34,0.12),transparent 70%); bottom:-100px;left:-100px; animation-delay:-5s; }
.orb-3 { width:400px;height:400px; background:radial-gradient(circle,rgba(6,182,212,0.1),transparent 70%); top:40%;left:40%; animation-delay:-3s; }
@keyframes orbFloat { from{transform:translate(0,0) scale(1);} to{transform:translate(20px,-30px) scale(1.06);} }

.eco-hero__grid {
  position:absolute;inset:0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
  background-size:60px 60px;
}
.eco-hero__content { position:relative;z-index:1; max-width:900px; }
.eco-hero__badge {
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 18px; border-radius:100px;
  background:rgba(124,58,237,0.12);
  border:1px solid rgba(124,58,237,0.3);
  font-size:11px; font-weight:700; letter-spacing:0.15em;
  text-transform:uppercase; color:#A78BFA;
  margin-bottom:28px;
}
.eco-hero__badge span { display:inline-block; width:6px;height:6px; border-radius:50%; background:#7C3AED; animation:pulseDot 2s ease-in-out infinite; }
@keyframes pulseDot { 0%,100%{transform:scale(1);opacity:1;} 50%{transform:scale(1.5);opacity:0.5;} }

.eco-hero__title {
  font-family: var(--ff-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 900; line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.eco-hero__title .line-1 { display:block; color:var(--text); }
.eco-hero__title .line-2 { display:block; color:var(--text); }
.eco-hero__title .line-3 {
  display:block;
  background: var(--grad-main);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.eco-hero__sub {
  font-size:1.15rem; color:var(--text-3);
  max-width:600px; line-height:1.75; margin-bottom:40px;
}
.eco-hero__cta { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:64px; }
.btn--eco-primary {
  background: var(--grad-main);
  color:#fff; padding:14px 32px;
  border-radius:100px; font-size:13px; font-weight:700;
  letter-spacing:0.06em; text-transform:uppercase;
  cursor:pointer; transition:transform .3s, box-shadow .3s;
  box-shadow:0 4px 24px rgba(124,58,237,0.3);
}
.btn--eco-primary:hover { transform:translateY(-3px); box-shadow:0 8px 36px rgba(124,58,237,0.45); }
.btn--eco-ghost {
  background:transparent; color:var(--text);
  border:1.5px solid var(--glass-border);
  padding:14px 32px; border-radius:100px;
  font-size:13px; font-weight:700; letter-spacing:0.06em;
  text-transform:uppercase; cursor:pointer; transition:var(--t);
}
.btn--eco-ghost:hover { border-color:#7C3AED; color:#A78BFA; transform:translateY(-3px); }

.eco-hero__stats {
  display:flex; gap:48px; flex-wrap:wrap;
  padding-top:40px; border-top:1px solid var(--glass-border);
}
.eco-stat__num {
  display:block; font-family:var(--ff-display);
  font-size:2.8rem; font-weight:900; line-height:1;
  background:var(--grad-main);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.eco-stat__label { font-size:11px; font-weight:600; letter-spacing:0.12em; text-transform:uppercase; color:var(--text-3); margin-top:6px; }

/* ══ ECO SECTION SHARED ══ */
.eco-section { padding:100px 0; position:relative; }
.eco-section--alt { background:var(--bg-2); }
.eco-label {
  display:inline-flex; align-items:center; gap:8px;
  font-size:10px; font-weight:700; letter-spacing:0.2em;
  text-transform:uppercase; color:#A78BFA; margin-bottom:16px;
}
.eco-title {
  font-family:var(--ff-display);
  font-size:clamp(2.2rem,4.5vw,3.5rem);
  font-weight:900; line-height:1.05;
  margin-bottom:20px; color:var(--text);
}
.eco-title em { font-style:italic; background:var(--grad-main); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.eco-sub { color:var(--text-3); font-size:1rem; line-height:1.75; max-width:580px; margin-bottom:56px; }

/* ══ OVERVIEW GRID ══ */
.eco-overview-grid {
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
}
.eco-dept-card {
  position:relative; overflow:hidden;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:16px; padding:24px 20px;
  cursor:pointer; transition:transform .3s, border-color .3s, box-shadow .3s;
}
.eco-dept-card::before {
  content:''; position:absolute;
  inset:0; border-radius:16px; opacity:0;
  background:var(--card-grad, var(--grad-main));
  transition:opacity .4s;
}
.eco-dept-card:hover { transform:translateY(-8px) scale(1.02); border-color:transparent; box-shadow:0 20px 60px rgba(0,0,0,0.4); }
.eco-dept-card:hover::before { opacity:0.08; }
.eco-dept-card:hover .eco-dept-icon { transform:scale(1.15); }

.eco-dept-icon { font-size:2rem; margin-bottom:12px; display:block; transition:transform .3s; }
.eco-dept-name { font-size:.88rem; font-weight:700; color:var(--text); margin-bottom:6px; }
.eco-dept-desc { font-size:.75rem; color:var(--text-3); line-height:1.5; margin-bottom:14px; }
.ai-impact {
  display:flex; align-items:center; gap:8px;
}
.ai-impact__label { font-size:.65rem; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; color:var(--text-dim); }
.ai-impact__bar { flex:1; height:3px; background:var(--bg-4); border-radius:100px; overflow:hidden; }
.ai-impact__fill { height:100%; border-radius:100px; background:var(--grad-ai); transition:width 1.2s var(--ease); width:0; }
.ai-impact__pct { font-size:.65rem; font-weight:700; color:#06B6D4; }

/* ══ DEPARTMENTS ══ */
.eco-dept-layout {
  display:grid; grid-template-columns:260px 1fr;
  gap:0; min-height:600px;
}
.eco-dept-nav {
  background: var(--bg-3);
  border-right: 1px solid var(--glass-border);
  padding: 24px 0;

  position: relative;

  height: fit-content;
  border-radius: 16px 0 0 16px;

  z-index: 999;
  pointer-events: auto;
}
.eco-dept-nav-item {
  display:flex; align-items:center; gap:12px;
  padding:12px 24px; cursor:pointer;
  transition:var(--t); position:relative;
  font-size:.88rem; font-weight:600;
  color:var(--text-3);
}
.eco-dept-nav-item::before {
  content:''; position:absolute;
  left:0; top:0; bottom:0; width:3px;
  background:var(--grad-main); border-radius:0 2px 2px 0;
  opacity:0; transition:opacity .3s;
}
.eco-dept-nav-item:hover { color:var(--text); background:var(--glass-bg); }
.eco-dept-nav-item.active { color:var(--text); background:var(--glass-bg); }
.eco-dept-nav-item.active::before { opacity:1; }
.eco-dept-nav-icon { font-size:1.1rem; }

.eco-dept-panels { padding:32px; background:var(--bg-3); border-radius:0 16px 16px 0; }
.eco-dept-panel { display:none; }
.eco-dept-panels {position: relative;z-index: 1;}
.eco-dept-panel.active { display:block; }
.eco-dept-panel__header { margin-bottom:32px; }
.eco-dept-panel__title { font-family:var(--ff-display); font-size:2rem; font-weight:900; color:var(--text); margin-bottom:8px; }
.eco-dept-panel__desc { color:var(--text-3); font-size:.95rem; line-height:1.7; }

.eco-dept-panel__grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.eco-panel-card {
  background:var(--bg-4);
  border:1px solid var(--glass-border);
  border-radius:12px; padding:20px;
  transition:var(--t);
}
.eco-panel-card:hover { border-color:rgba(124,58,237,0.3); transform:translateY(-3px); }
.eco-panel-card__title {
  font-size:.8rem; font-weight:700; letter-spacing:0.1em;
  text-transform:uppercase; color:#A78BFA; margin-bottom:12px;
  padding-bottom:8px; border-bottom:1px solid var(--glass-border);
}
.eco-tags { display:flex; flex-wrap:wrap; gap:6px; }
.eco-tag {
  padding:3px 10px; border-radius:100px;
  font-size:.7rem; font-weight:600;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  color:var(--text-3); white-space:nowrap;
}
.eco-tag--pos { border-color:rgba(230,48,34,0.3); color:var(--red); background:rgba(230,48,34,0.06); }
.eco-tag--skill { border-color:rgba(16,185,129,0.3); color:#10B981; background:rgba(16,185,129,0.06); }
.eco-tag--tool { border-color:rgba(37,99,235,0.3); color:#60A5FA; background:rgba(37,99,235,0.06); }
.eco-tag--ai { border-color:rgba(6,182,212,0.3); color:#06B6D4; background:rgba(6,182,212,0.06); }

/* ══ AI MATRIX ══ */
.eco-matrix {
  width:100%; border-collapse:collapse;
  border-radius:16px; overflow:hidden;
}
.eco-matrix th {
  padding:14px 20px; text-align:left;
  background:var(--bg-3); font-size:.75rem;
  font-weight:700; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--text-3);
  border-bottom:1px solid var(--glass-border);
}
.eco-matrix td {
  padding:16px 20px; font-size:.88rem;
  color:var(--text-2); border-bottom:1px solid var(--glass-border);
  vertical-align:middle;
}
.eco-matrix tr:hover td { background:var(--glass-bg); }
.eco-matrix tr:last-child td { border-bottom:none; }
.eco-matrix__dept { font-weight:700; color:var(--text); display:flex; align-items:center; gap:10px; }
.eco-matrix__dept span { font-size:1.1rem; }
.eco-matrix__uses { display:flex; flex-wrap:wrap; gap:5px; }
.eco-matrix__meter { display:flex; align-items:center; gap:10px; }
.eco-matrix__bar { width:80px; height:4px; background:var(--bg-4); border-radius:100px; overflow:hidden; }
.eco-matrix__fill { height:100%; border-radius:100px; background:var(--grad-ai); }
.eco-matrix__pct { font-size:.75rem; font-weight:700; color:#06B6D4; }
.eco-risk { padding:3px 10px; border-radius:100px; font-size:.68rem; font-weight:700; }
.eco-risk--low { background:rgba(16,185,129,0.1); color:#10B981; border:1px solid rgba(16,185,129,0.2); }
.eco-risk--med { background:rgba(245,158,11,0.1); color:#F59E0B; border:1px solid rgba(245,158,11,0.2); }
.eco-risk--high { background:rgba(230,48,34,0.1); color:var(--red); border:1px solid rgba(230,48,34,0.2); }

/* ══ CAREER ROADMAP ══ */
.eco-roadmap {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:0; position:relative;
}
.eco-roadmap::before {
  content:''; position:absolute;
  top:52px; left:calc(12.5%); right:calc(12.5%);
  height:2px;
  background:linear-gradient(90deg, var(--red), #7C3AED, #06B6D4, #10B981);
}
.eco-roadmap-step {
  display:flex; flex-direction:column; align-items:center;
  text-align:center; padding:0 16px; position:relative;
}
.eco-roadmap-step__dot {
  width:40px; height:40px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; font-weight:900;
  margin-bottom:20px; position:relative; z-index:1;
  box-shadow:0 0 20px var(--step-glow, rgba(230,48,34,0.4));
  border:2px solid transparent;
  background:var(--step-bg, var(--red));
}
.eco-roadmap-step__level {
  font-size:.68rem; font-weight:700; letter-spacing:0.15em;
  text-transform:uppercase; color:var(--step-color, var(--red));
  margin-bottom:8px;
}
.eco-roadmap-step__role {
  font-size:.95rem; font-weight:700; color:var(--text);
  margin-bottom:14px;
}
.eco-roadmap-step__skills { display:flex; flex-direction:column; gap:5px; }
.eco-roadmap-step__skill {
  font-size:.73rem; padding:4px 10px; border-radius:100px;
  background:var(--glass-bg); border:1px solid var(--glass-border);
  color:var(--text-3);
}

/* ══ FUTURE SECTION ══ */
.eco-future {
  position:relative; overflow:hidden;
  padding:120px 0; background:var(--bg);
}
.eco-future__bg {
  position:absolute; inset:0;
  background:radial-gradient(ellipse at center, rgba(124,58,237,0.08) 0%, transparent 70%);
}
.eco-future__content { position:relative; z-index:1; text-align:center; }
.eco-future__quote {
  font-family:var(--ff-display);
  font-size:clamp(1.5rem,3.5vw,2.8rem);
  font-weight:900; line-height:1.3;
  color:var(--text); max-width:800px; margin:0 auto 48px;
}
.eco-future__quote em { font-style:italic; background:var(--grad-main); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.eco-future__pillars {
  display:flex; justify-content:center; gap:16px;
  flex-wrap:wrap; margin-bottom:56px;
}
.eco-future__pillar {
  padding:12px 24px; border-radius:100px;
  font-size:.88rem; font-weight:700;
  background:var(--glass-bg); border:1px solid var(--glass-border);
  color:var(--text-2); transition:var(--t);
}
.eco-future__pillar:hover { border-color:#7C3AED; color:#A78BFA; transform:translateY(-3px); box-shadow:var(--glow-purple); }

/* ══ ECO CTA ══ */
.eco-cta {
  padding:100px 0;
  background:linear-gradient(135deg, rgba(230,48,34,0.05) 0%, rgba(124,58,237,0.05) 50%, rgba(6,182,212,0.05) 100%);
  border-top:1px solid var(--glass-border);
  text-align:center;
}
.eco-cta__title { font-family:var(--ff-display); font-size:clamp(2rem,5vw,4rem); font-weight:900; line-height:1.1; margin-bottom:20px; }
.eco-cta__sub { color:var(--text-3); font-size:1rem; margin-bottom:40px; }
.eco-cta__btns { display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }

/* ══ SCROLL NAV ══ */
.eco-scroll-nav {
  position:fixed; right:24px; top:50%;
  transform:translateY(-50%);
  display:flex; flex-direction:column; gap:10px;
  z-index:90;
}
.eco-scroll-dot {
  width:8px; height:8px; border-radius:50%;
  background:var(--glass-border);
  cursor:pointer; transition:var(--t);
  position:relative;
}
.eco-scroll-dot.active,
.eco-scroll-dot:hover { background:var(--red); box-shadow:0 0 10px rgba(230,48,34,0.5); width:10px; height:10px; }
.eco-scroll-dot[data-label]::before {
  content:attr(data-label);
  position:absolute; right:18px; top:50%; transform:translateY(-50%);
  font-size:.65rem; font-weight:600; color:var(--text-3);
  white-space:nowrap; opacity:0; transition:opacity .2s;
  background:var(--bg-3); padding:3px 8px; border-radius:4px;
  pointer-events:none;
}
.eco-scroll-dot:hover::before { opacity:1; }

/* ══ RESPONSIVE ══ */
@media (max-width:1200px) {
  .eco-overview-grid { grid-template-columns:repeat(4,1fr); }
  .eco-dept-layout { grid-template-columns:220px 1fr; }
}
@media (max-width:992px) {
  .eco-overview-grid { grid-template-columns:repeat(3,1fr); }
  .eco-dept-layout { grid-template-columns:1fr; }
  .eco-dept-nav { position:static; border-radius:16px; display:flex; flex-wrap:wrap; padding:12px; }
  .eco-dept-nav-item { border-radius:100px; padding:8px 16px; font-size:.78rem; }
  .eco-dept-nav-item::before { display:none; }
  .eco-dept-nav-item.active { background:var(--red); color:#fff; }
  .eco-dept-panels { border-radius:16px; }
  .eco-dept-panel__grid { grid-template-columns:1fr 1fr; }
  .eco-roadmap { grid-template-columns:1fr 1fr; gap:32px; }
  .eco-roadmap::before { display:none; }
  .eco-scroll-nav { display:none; }
}
@media (max-width:768px) {
  .eco-overview-grid { grid-template-columns:repeat(2,1fr); }
  .eco-dept-panel__grid { grid-template-columns:1fr; }
  .eco-roadmap { grid-template-columns:1fr; }
  .eco-matrix { display:block; overflow-x:auto; }
  .eco-hero__stats { gap:28px; }
  .eco-future__pillars { gap:8px; }
}
@media (max-width:480px) {
  .eco-overview-grid { grid-template-columns:1fr 1fr; }
  .eco-hero__title { font-size:3rem; }
}
.cursor,
.cursor-follower {
  pointer-events: none !important;
}
.eco-dept-nav,
.eco-dept-nav * {
  pointer-events: auto !important;
}
/* ======================
   ANTI COPY
====================== */

body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
img {
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
}
button,
a,
.btn,
input,
textarea {
  pointer-events: auto;
}
body::after {
  content: "DECAZ TRẦN";
  position: fixed;
  inset: 0;

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

  font-size: 10vw;
  font-weight: 900;

  opacity: 0.02;

  pointer-events: none;

  z-index: 999999;

  transform: rotate(-20deg);
}