:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface2: #eef3ff;
  --border: #dce5f4;
  --sky: #2563eb;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --text: #0f172a;
  --muted: #5b6475;
  --card: #ffffff;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}
h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; }

/* NAV */
nav {
  position: fixed; top:0; left:0; right:0; z-index:100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { font-family:'Syne',sans-serif; font-weight:800; font-size:1.3rem; color:var(--sky); letter-spacing:-0.5px; }
.nav-logo span { color: var(--green); }
.nav-links { display:flex; gap:0.25rem; }
.nav-links a {
  font-size:0.85rem; font-weight:500; color:var(--muted);
  padding:0.4rem 0.85rem; border-radius:6px;
  cursor:pointer; transition: all 0.2s; text-decoration:none;
  letter-spacing:0.01em;
}
.nav-links a:hover, .nav-links a.active { color:var(--sky); background:#e8efff; }
.nav-cta {
  background: var(--sky);
  color: #ffffff; font-weight:700; font-size:0.85rem;
  padding:0.45rem 1.1rem; border-radius:8px; cursor:pointer;
  border:none; font-family:'Syne',sans-serif; transition:opacity 0.2s;
}
.nav-cta:hover { opacity:0.85; }

/* PAGES */
.page { display:none; padding-top:64px; min-height:100vh; }
.page.active { display:block; }
.page-back {
  position:fixed; top:76px; left:20px; z-index:95;
  background:var(--surface); color:var(--text); border:1px solid var(--border);
  border-radius:10px; padding:0.45rem 0.85rem; font-size:0.82rem; font-weight:600;
  cursor:pointer; transition:all 0.2s;
  box-shadow: 0 6px 16px rgba(15,23,42,0.08);
}
.page-back:hover { border-color:var(--sky); color:var(--sky); background:#f7faff; }

/* ===== LANDING ===== */
#landing { background: var(--bg); }
.hero {
  position:relative; overflow:hidden;
  padding: 7rem 2rem 5rem;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37,99,235,0.09) 0%, transparent 72%);
}
.hero::before {
  content:'';
  position:absolute; top:0; left:0; right:0; bottom:0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(34,197,94,0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(56,189,248,0.06) 0%, transparent 40%);
  pointer-events:none;
}
.hero-badge {
  display:inline-flex; align-items:center; gap:0.5rem;
  background: #e7efff; border:1px solid #cfe0ff;
  color:var(--sky); font-size:0.78rem; font-weight:600; letter-spacing:0.06em;
  padding:0.35rem 1rem; border-radius:100px; margin-bottom:2rem; text-transform:uppercase;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight:800; line-height:1.05;
  letter-spacing:-0.03em; margin-bottom:1.5rem;
  background: linear-gradient(135deg, #0f172a 10%, #1d4ed8 55%, #0f766e 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero p {
  font-size:1.15rem; color:var(--muted); max-width:560px; margin:0 auto 3rem;
  line-height:1.7; font-weight:300;
}
.hero-pretitle {
  display:inline-flex; align-items:center; gap:0.55rem;
  background:#ffffff; border:1px solid var(--border); border-radius:999px;
  padding:0.55rem 1rem; font-size:0.9rem; font-weight:700; color:var(--text);
  margin-bottom:1.2rem; box-shadow:0 8px 22px rgba(15,23,42,0.05);
}
.hero-pretitle span { color:var(--sky); }
.hero-actions { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.trust-row {
  display:flex; justify-content:center; gap:0.8rem; flex-wrap:wrap; margin-top:1.25rem;
}
.trust-pill {
  display:inline-flex; align-items:center; gap:0.45rem;
  padding:0.55rem 0.9rem; border-radius:999px; background:#fff;
  border:1px solid var(--border); color:var(--muted); font-size:0.82rem; font-weight:600;
}
.hero-showcase {
  max-width:980px; margin:2.2rem auto 0; border-radius:24px; overflow:hidden;
  border:1px solid var(--border); background:#fff; box-shadow:0 16px 36px rgba(15,23,42,0.08);
}
.hero-showcase video { width:100%; display:block; height:320px; object-fit:cover; }
.btn-primary {
  background: var(--sky);
  color:#ffffff; font-weight:700; font-size:1rem;
  padding:0.85rem 2.2rem; border-radius:10px; border:none;
  cursor:pointer; font-family:'Syne',sans-serif; letter-spacing:0.01em;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 22px rgba(37,99,235,0.22);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 26px rgba(37,99,235,0.3); }
.btn-secondary {
  background: #ffffff; color:var(--text); font-weight:600; font-size:1rem;
  padding:0.85rem 2.2rem; border-radius:10px; border:1px solid var(--border);
  cursor:pointer; font-family:'Syne',sans-serif; transition:all 0.2s;
}
.btn-secondary:hover { border-color:var(--sky); color:var(--sky); background:#f3f7ff; }

.stats-row {
  display:flex; justify-content:center; gap:3rem; padding:2rem;
  flex-wrap:wrap; border-top:1px solid var(--border);
  margin:2rem auto; max-width:700px;
}
.stat { text-align:center; }
.stat-num { font-family:'Syne',sans-serif; font-size:2rem; font-weight:800; color:var(--sky); }
.stat-label { font-size:0.8rem; color:var(--muted); margin-top:0.2rem; letter-spacing:0.04em; }

.section { padding: 5rem 2rem; max-width:1100px; margin:0 auto; }
.section-title { font-size:clamp(1.6rem,3vw,2.3rem); font-weight:700; margin-bottom:0.75rem; letter-spacing:-0.02em; }
.section-sub { color:var(--muted); font-size:1rem; margin-bottom:3rem; max-width:500px; }

.features-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1.5rem; }
.feature-card {
  background: var(--surface);
  border:1px solid var(--border); border-radius:16px; padding:1.75rem;
  transition: border-color 0.3s, transform 0.3s;
  position:relative; overflow:hidden;
  cursor:pointer;
  box-shadow: 0 8px 22px rgba(15,23,42,0.05);
}
.feature-card::before {
  content:''; position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(56,189,248,0.03), transparent);
  opacity:0; transition:opacity 0.3s;
}
.feature-card:hover { border-color:rgba(37,99,235,0.3); transform:translateY(-4px) scale(1.01); box-shadow:0 14px 28px rgba(15,23,42,0.08); }
.feature-card:active { transform:translateY(-1px) scale(0.985); }
.feature-card:hover::before { opacity:1; }
.feature-card:focus-visible {
  outline:none;
  border-color:var(--sky);
  box-shadow: 0 0 0 2px rgba(56,189,248,0.25);
}
.feature-icon { font-size:2rem; margin-bottom:1rem; }
.feature-card h3 { font-size:1rem; font-weight:700; margin-bottom:0.5rem; color:var(--sky); }
.feature-card p { font-size:0.88rem; color:var(--muted); line-height:1.6; }
.feature-footer {
  margin-top:1.2rem; display:flex; align-items:center; justify-content:space-between; gap:0.75rem;
}
.feature-tag {
  font-size:0.7rem; font-weight:700; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--muted);
}
.feature-open {
  border:none; border-radius:8px; padding:0.45rem 0.8rem;
  background: rgba(56,189,248,0.14); color:var(--sky); font-size:0.78rem; font-weight:700;
  cursor:pointer; transition:all 0.2s; font-family:'DM Sans',sans-serif;
}
.feature-open:hover { background:rgba(56,189,248,0.24); color:#8ddfff; }
.feature-open:focus-visible {
  outline:none;
  box-shadow: 0 0 0 2px rgba(56,189,248,0.28);
}

.feature-toast {
  position:fixed; bottom:24px; right:24px; z-index:120;
  background: linear-gradient(135deg, #14243f, #11203a);
  border:1px solid rgba(56,189,248,0.35); border-radius:12px;
  color:var(--text); padding:0.85rem 1rem; font-size:0.85rem;
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
  transform: translateY(16px); opacity:0; pointer-events:none;
  transition: opacity 0.25s, transform 0.25s;
}
.feature-toast.show { opacity:1; transform:translateY(0); }

.problem-section {
  background: var(--surface);
  border:1px solid var(--border); border-radius:20px; padding:3rem;
  display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center;
  box-shadow: 0 10px 28px rgba(15,23,42,0.05);
}
.problem-list { list-style:none; display:flex; flex-direction:column; gap:1rem; }
.problem-list li {
  display:flex; align-items:flex-start; gap:0.75rem;
  font-size:0.92rem; color:var(--muted); line-height:1.5;
}
.problem-list li::before { content:'✕'; color:var(--red); font-weight:700; flex-shrink:0; margin-top:1px; }
.problem-highlight {
  display:inline-flex; align-items:center; gap:0.45rem; padding:0.5rem 0.8rem; margin-bottom:1rem;
  background:#fff3f1; border:1px solid #ffd8d2; color:#c2410c; border-radius:999px; font-size:0.82rem; font-weight:700;
}

/* ===== ONBOARDING ===== */
#onboarding { background: var(--bg); }
.onboarding-wrap { max-width:640px; margin:0 auto; padding:4rem 2rem; }
.step-indicator {
  display:flex; gap:0.5rem; margin-bottom:3rem; align-items:center;
}
.step-dot {
  width:8px; height:8px; border-radius:50%;
  background: var(--surface2); transition:all 0.3s;
}
.step-dot.done { background:var(--green); }
.step-dot.active { background:var(--sky); width:24px; border-radius:4px; }
.step-line { flex:1; height:1px; background:var(--border); }

.onb-step { display:none; }
.onb-step.active { display:block; }
.step-count {
  display:inline-block; margin-bottom:1rem; background:#edf4ff; color:var(--sky);
  border:1px solid #d7e6ff; border-radius:999px; padding:0.35rem 0.75rem; font-size:0.78rem; font-weight:700;
}
.onb-title { font-size:1.8rem; font-weight:700; margin-bottom:0.5rem; letter-spacing:-0.02em; }
.onb-sub { color:var(--muted); font-size:0.95rem; margin-bottom:2.5rem; }

.option-grid { display:grid; gap:1rem; }
.option-btn {
  background: var(--surface);
  border:2px solid var(--border); border-radius:12px; padding:1.25rem 1.5rem;
  cursor:pointer; text-align:left; transition:all 0.2s;
  display:flex; align-items:center; gap:1rem;
}
.option-btn:hover { border-color:rgba(56,189,248,0.4); background:var(--surface2); }
.option-btn.selected { border-color:var(--sky); background:rgba(56,189,248,0.08); box-shadow:0 10px 20px rgba(37,99,235,0.1); transform:translateY(-1px); }
.option-icon { font-size:1.5rem; flex-shrink:0; }
.option-btn h4 { font-size:0.95rem; font-weight:600; margin-bottom:0.2rem; }
.option-btn p { font-size:0.8rem; color:var(--muted); }

.budget-input-wrap { position:relative; }
.budget-input {
  width:100%; background:var(--surface); border:2px solid var(--border);
  border-radius:12px; padding:1rem 1rem 1rem 3rem;
  color:var(--text); font-size:1.1rem; font-family:'Syne',sans-serif;
  outline:none; transition:border-color 0.2s;
}
.budget-input:focus { border-color:var(--sky); }
.budget-prefix {
  position:absolute; left:1rem; top:50%; transform:translateY(-50%);
  color:var(--muted); font-size:1rem; font-family:'Syne',sans-serif;
}
.budget-hint { font-size:0.8rem; color:var(--muted); margin-top:0.75rem; }

.onb-nav { display:flex; gap:1rem; margin-top:2.5rem; justify-content:space-between; }
.btn-ghost {
  background:transparent; border:1px solid var(--border); color:var(--muted);
  padding:0.75rem 1.5rem; border-radius:10px; cursor:pointer;
  font-family:'DM Sans',sans-serif; font-size:0.9rem; transition:all 0.2s;
}
.btn-ghost:hover { border-color:var(--text); color:var(--text); }

/* ===== DASHBOARD ===== */
#dashboard { background: var(--bg); }
.dash-wrap { max-width:1100px; margin:0 auto; padding:3rem 2rem; }
.dash-header { margin-bottom:2.5rem; }
.dash-header h1 { font-size:2rem; font-weight:700; letter-spacing:-0.02em; }
.dash-header p { color:var(--muted); font-size:0.95rem; margin-top:0.35rem; }
.profile-card {
  background: var(--surface);
  border:1px solid var(--border); border-radius:16px; padding:1.1rem 1.25rem;
  margin-bottom:1.5rem;
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0.9rem;
}
.profile-item {
  background:var(--surface2); border:1px solid var(--border);
  border-radius:10px; padding:0.8rem;
}
.profile-item .k {
  font-size:0.7rem; color:var(--muted); text-transform:uppercase; letter-spacing:0.06em;
  margin-bottom:0.35rem; font-weight:600;
}
.profile-item .v { font-size:0.9rem; font-weight:700; color:var(--text); }
.profile-actions {
  display:flex; gap:0.8rem; margin-bottom:1.5rem; flex-wrap:wrap;
}
.btn-danger {
  background:#fee2e2; border:1px solid #fecaca; color:#b91c1c;
  padding:0.75rem 1.1rem; border-radius:10px; cursor:pointer;
  font-family:'DM Sans',sans-serif; font-size:0.9rem; font-weight:700; transition:all 0.2s;
}
.btn-danger:hover { background:#fecaca; }

.dash-top { display:grid; grid-template-columns:1fr 1fr 1fr; gap:1.5rem; margin-bottom:2rem; }
.score-card {
  background: var(--surface);
  border:1px solid var(--border); border-radius:20px; padding:2rem;
  grid-column: span 1;
  position:relative; overflow:hidden;
}
.score-card::after {
  content:''; position:absolute; top:-40px; right:-40px;
  width:160px; height:160px; border-radius:50%;
  background: radial-gradient(circle, rgba(56,189,248,0.06), transparent 70%);
}
.score-ring {
  width:150px; height:150px; border-radius:50%;
  display:grid; place-items:center; margin:0.5rem 0 1rem;
  background:conic-gradient(var(--sky) 0deg, #dbeafe 0deg);
  position:relative;
}
.score-ring::after {
  content:''; position:absolute; inset:12px; background:#fff; border-radius:50%;
}
.score-ring-inner { position:relative; z-index:1; text-align:center; }
.score-label { font-size:0.78rem; font-weight:600; letter-spacing:0.08em; color:var(--muted); text-transform:uppercase; margin-bottom:1rem; }
.score-num { font-family:'Syne',sans-serif; font-size:2.5rem; font-weight:800; line-height:1; }
.score-num span { font-size:1rem; color:var(--muted); }
.score-bar-wrap { margin-top:1rem; }
.score-bar-bg { height:6px; background:var(--surface2); border-radius:99px; overflow:hidden; }
.score-bar-fill { height:100%; border-radius:99px; transition:width 1s cubic-bezier(0.4,0,0.2,1); }
.score-msg { font-size:0.85rem; color:var(--muted); margin-top:0.75rem; line-height:1.5; }

.metric-card {
  background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:1.5rem;
}
.metric-icon { font-size:1.75rem; margin-bottom:0.75rem; }
.metric-title { font-size:0.78rem; font-weight:600; color:var(--muted); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:0.4rem; }
.metric-value { font-family:'Syne',sans-serif; font-size:1.5rem; font-weight:700; }
.metric-sub { font-size:0.78rem; color:var(--muted); margin-top:0.25rem; }

.conf-bar { display:flex; gap:4px; margin-top:0.75rem; }
.conf-seg { height:8px; flex:1; border-radius:2px; background:var(--surface2); transition:background 0.5s; }
.conf-seg.lit { background:var(--green); }
.conf-seg.lit-amber { background:var(--amber); }
.conf-seg.lit-red { background:var(--red); }

.dash-grid { display:grid; grid-template-columns:1.5fr 1fr; gap:1.5rem; margin-bottom:2rem; }
.learn-cards { background:var(--surface); border:1px solid var(--border); border-radius:20px; padding:1.75rem; }
.learn-cards h3 { font-size:1.05rem; font-weight:700; margin-bottom:1.25rem; }
.learn-item {
  display:flex; align-items:center; gap:1rem; padding:0.9rem;
  background:var(--surface2); border-radius:10px; margin-bottom:0.75rem;
  cursor:pointer; transition:background 0.2s;
}
.learn-item:hover { background:rgba(56,189,248,0.08); }
.learn-item-icon { font-size:1.3rem; flex-shrink:0; }
.learn-item h4 { font-size:0.88rem; font-weight:600; margin-bottom:0.15rem; }
.learn-item p { font-size:0.78rem; color:var(--muted); }
.arrow-btn { margin-left:auto; color:var(--sky); font-size:1rem; }

.warnings-card { background:var(--surface); border:1px solid var(--border); border-radius:20px; padding:1.75rem; }
.warnings-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:1.25rem; }
.warning-item {
  display:flex; gap:0.75rem; padding:0.85rem;
  background:rgba(239,68,68,0.07); border:1px solid rgba(239,68,68,0.18);
  border-radius:10px; margin-bottom:0.75rem;
}
.warning-item.ok { background:rgba(34,197,94,0.07); border-color:rgba(34,197,94,0.18); }
.warning-item.caution { background:rgba(245,158,11,0.08); border-color:rgba(245,158,11,0.22); }
.warning-item .wi-icon { font-size:1rem; flex-shrink:0; margin-top:1px; }
.warning-item h4 { font-size:0.82rem; font-weight:600; margin-bottom:0.2rem; }
.warning-item p { font-size:0.75rem; color:var(--muted); line-height:1.5; }

.roadmap-card { background:var(--surface); border:1px solid var(--border); border-radius:20px; padding:1.75rem; }
.roadmap-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:1.5rem; }
.roadmap-step { display:flex; gap:1rem; padding:0.75rem 0 1rem; position:relative; cursor:pointer; }
.roadmap-step:not(:last-child)::after {
  content:''; position:absolute; left:16px; top:36px; bottom:0;
  width:2px; background: linear-gradient(var(--sky), transparent);
}
.step-circle {
  width:32px; height:32px; border-radius:50%; flex-shrink:0;
  background:var(--surface2); border:2px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:0.78rem; font-weight:700; font-family:'Syne',sans-serif;
  z-index:1;
}
.step-circle.active-step { background:var(--sky); border-color:var(--sky); color:#0a0f1e; }
.step-circle.done-step { background:var(--green); border-color:var(--green); color:#0a0f1e; }
.step-circle.locked-step { background:#f8fafc; border-color:#e2e8f0; color:#94a3b8; }
.roadmap-step h4 { font-size:0.9rem; font-weight:600; margin-bottom:0.2rem; }
.roadmap-step p { font-size:0.8rem; color:var(--muted); }
.roadmap-meta { display:flex; gap:0.55rem; flex-wrap:wrap; margin-bottom:0.3rem; }
.roadmap-chip {
  font-size:0.68rem; font-weight:700; padding:0.2rem 0.5rem; border-radius:999px;
  background:#eef4ff; color:var(--sky); border:1px solid #d9e6ff;
}
.roadmap-detail { display:none; padding-top:0.45rem; }
.roadmap-step.open .roadmap-detail { display:block; }
.next-step-card {
  background:linear-gradient(135deg,#eff6ff,#f8fbff); border:1px solid #dbeafe; border-radius:18px;
  padding:1.2rem; margin:1.4rem 0 2rem;
}
.next-step-card h3 { font-size:0.92rem; font-weight:800; margin-bottom:0.35rem; color:var(--sky); }
.next-step-card p { color:var(--muted); font-size:0.88rem; margin-bottom:0.9rem; }
.action-row { display:flex; gap:0.8rem; flex-wrap:wrap; margin-top:1rem; }

/* ===== LEARNING HUB ===== */
#learning { background:var(--bg); }
.learn-wrap { max-width:1000px; margin:0 auto; padding:3rem 2rem; }
.topic-tabs { display:flex; gap:0.5rem; margin-bottom:2.5rem; flex-wrap:wrap; }
.tab-btn {
  padding:0.55rem 1.1rem; border-radius:8px;
  background:var(--surface); border:1px solid var(--border);
  color:var(--muted); font-size:0.85rem; font-weight:500;
  cursor:pointer; transition:all 0.2s;
}
.tab-btn:hover { color:var(--text); border-color:rgba(56,189,248,0.3); }
.tab-btn.active { background:rgba(56,189,248,0.1); border-color:var(--sky); color:var(--sky); }

.topic-content { display:none; }
.topic-content.active { display:block; }

.topic-hero {
  background: linear-gradient(135deg, #ffffff, #f6f9ff);
  border:1px solid var(--border); border-radius:20px; padding:2.5rem;
  margin-bottom:2rem;
  display:grid; grid-template-columns:1.3fr 1fr; gap:1.5rem; align-items:center;
}
.topic-hero-media {
  border-radius:14px; overflow:hidden; min-height:180px; border:1px solid var(--border);
  box-shadow: 0 12px 24px rgba(15,23,42,0.08);
}
.topic-hero-media img,
.topic-hero-media video {
  width:100%; height:100%; min-height:180px; display:block; object-fit:cover;
}
.topic-hero h2 { font-size:1.8rem; font-weight:700; margin-bottom:0.75rem; letter-spacing:-0.02em; }
.topic-hero p { color:var(--muted); line-height:1.7; font-size:0.95rem; }
.topic-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.25rem; margin-top:1.5rem; }
.topic-card {
  background:var(--surface2); border:1px solid var(--border); border-radius:14px; padding:1.5rem;
}
.topic-card h4 { font-size:0.9rem; font-weight:700; color:var(--sky); margin-bottom:0.5rem; }
.topic-card p { font-size:0.83rem; color:var(--muted); line-height:1.6; }
.topic-card ul { margin:0; padding-left:1rem; color:var(--muted); }
.topic-card li { margin-bottom:0.35rem; font-size:0.83rem; }
.example-box {
  background:rgba(34,197,94,0.07); border:1px solid rgba(34,197,94,0.2);
  border-radius:12px; padding:1.25rem; margin-top:1.5rem;
}
.example-box h4 { font-size:0.85rem; font-weight:700; color:var(--green); margin-bottom:0.5rem; }
.example-box p { font-size:0.85rem; color:var(--muted); line-height:1.6; }

/* ===== RECOMMENDATION ===== */
#recommendation { background:var(--bg); }
.rec-wrap { max-width:800px; margin:0 auto; padding:3rem 2rem; }
.rec-card {
  background: var(--surface);
  border:1px solid var(--border); border-radius:20px; padding:2.5rem;
  margin-bottom:1.5rem;
  box-shadow: 0 10px 24px rgba(15,23,42,0.05);
}
.rec-header { display:flex; align-items:center; gap:1rem; margin-bottom:1.5rem; }
.rec-icon { font-size:2.5rem; }
.rec-header h2 { font-size:1.5rem; font-weight:700; letter-spacing:-0.02em; }
.rec-header p { color:var(--muted); font-size:0.85rem; margin-top:0.2rem; }
.rec-type {
  display:inline-flex; align-items:center; gap:0.5rem;
  background:rgba(56,189,248,0.1); border:1px solid rgba(56,189,248,0.3);
  color:var(--sky); font-weight:700; font-family:'Syne',sans-serif;
  font-size:1.1rem; padding:0.6rem 1.2rem; border-radius:10px; margin-bottom:1.5rem;
}
.monthly-plan {
  background:var(--surface2); border-radius:14px; padding:1.5rem;
  display:grid; grid-template-columns:1fr 1fr 1fr; gap:1rem; margin:1.5rem 0;
}
.plan-item { text-align:center; }
.plan-item .pval { font-family:'Syne',sans-serif; font-size:1.5rem; font-weight:700; color:var(--sky); }
.plan-item .plbl { font-size:0.75rem; color:var(--muted); margin-top:0.2rem; letter-spacing:0.04em; }
.reasoning-list { list-style:none; display:flex; flex-direction:column; gap:0.65rem; }
.reasoning-list li {
  display:flex; align-items:flex-start; gap:0.65rem;
  font-size:0.88rem; color:var(--muted); line-height:1.5;
}
.reasoning-list li::before { content:'›'; color:var(--sky); font-size:1.1rem; font-weight:700; flex-shrink:0; }

/* SIMULATOR */
.sim-card {
  background: var(--surface);
  border:1px solid var(--border); border-radius:20px; padding:2.5rem;
  box-shadow: 0 10px 24px rgba(15,23,42,0.05);
}
.sim-inputs { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; margin-bottom:2rem; }
.input-group label { display:block; font-size:0.8rem; font-weight:600; color:var(--muted); margin-bottom:0.5rem; letter-spacing:0.04em; text-transform:uppercase; }
.sim-input {
  width:100%; background:var(--surface2); border:2px solid var(--border);
  border-radius:10px; padding:0.85rem 1rem;
  color:var(--text); font-size:1rem; font-family:'DM Sans',sans-serif;
  outline:none; transition:border-color 0.2s;
}
.sim-input:focus { border-color:var(--sky); }
.sim-results {
  background:var(--surface2); border-radius:14px; padding:1.5rem;
  display:grid; grid-template-columns:1fr 1fr 1fr; gap:1rem;
}
.sim-val { text-align:center; }
.sim-val .v { font-family:'Syne',sans-serif; font-size:1.6rem; font-weight:800; color:var(--green); }
.sim-val .l { font-size:0.75rem; color:var(--muted); margin-top:0.2rem; }

.chart-wrap {
  margin-top:1.5rem; height:180px; position:relative; overflow:hidden;
}
.chart-bars { display:flex; align-items:flex-end; gap:3px; height:100%; padding:0 4px; }
.chart-bar { flex:1; border-radius:4px 4px 0 0; transition:height 0.5s; min-height:4px; }

/* ===== PLATFORMS ===== */
#platforms { background:var(--bg); }
.plat-wrap { max-width:1000px; margin:0 auto; padding:3rem 2rem; }
.plat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1.5rem; }
.plat-card {
  background:var(--surface); border:1px solid var(--border); border-radius:20px; padding:2rem;
  transition:all 0.3s; position:relative; overflow:hidden;
  box-shadow: 0 8px 20px rgba(15,23,42,0.05);
}
.plat-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  transition:opacity 0.3s; opacity:0;
}
.plat-card:hover { border-color:rgba(56,189,248,0.35); transform:translateY(-4px); }
.plat-card:hover::before { opacity:1; }
.plat-logo { font-size:2.5rem; margin-bottom:1rem; }
.plat-name { font-family:'Syne',sans-serif; font-size:1.2rem; font-weight:700; margin-bottom:0.25rem; }
.plat-tagline { font-size:0.8rem; color:var(--muted); margin-bottom:1.25rem; }
.plat-tag {
  display:inline-block;
  font-size:0.72rem; font-weight:600; padding:0.25rem 0.65rem; border-radius:99px;
  margin-bottom:1rem;
}
.tag-best { background:rgba(34,197,94,0.12); color:var(--green); border:1px solid rgba(34,197,94,0.25); }
.tag-pro { background:rgba(56,189,248,0.1); color:var(--sky); border:1px solid rgba(56,189,248,0.25); }
.pros-cons { font-size:0.82rem; line-height:1.7; color:var(--muted); }
.pros-cons .pro::before { content:'✓ '; color:var(--green); }
.pros-cons .con::before { content:'✗ '; color:var(--red); }
.plat-link {
  display:block; margin-top:1.25rem;
  background: linear-gradient(135deg, var(--sky), #0ea5e9);
  color:#0a0f1e; font-weight:700; font-size:0.85rem; text-align:center;
  padding:0.65rem; border-radius:8px; text-decoration:none; font-family:'Syne',sans-serif;
  transition:opacity 0.2s;
}
.plat-link:hover { opacity:0.85; }
.plat-match {
  display:none; margin-bottom:0.8rem; background:#eff6ff; border:1px solid #dbeafe;
  color:var(--sky); border-radius:999px; padding:0.28rem 0.65rem; font-size:0.72rem; font-weight:800;
}
.plat-card.recommended .plat-match { display:inline-block; }
.plat-card.recommended { border-color:#93c5fd; box-shadow:0 14px 28px rgba(37,99,235,0.12); }

/* Misc */
.tag-beginner { background:rgba(34,197,94,0.08); color:var(--green); border:1px solid rgba(34,197,94,0.2); font-size:0.72rem; font-weight:600; padding:0.2rem 0.6rem; border-radius:99px; }
.tag-medium { background:rgba(245,158,11,0.08); color:var(--amber); border:1px solid rgba(245,158,11,0.2); font-size:0.72rem; font-weight:600; padding:0.2rem 0.6rem; border-radius:99px; }
.tag-hard { background:rgba(239,68,68,0.08); color:var(--red); border:1px solid rgba(239,68,68,0.2); font-size:0.72rem; font-weight:600; padding:0.2rem 0.6rem; border-radius:99px; }

footer {
  text-align:center; padding:2rem; border-top:1px solid var(--border);
  color:var(--muted); font-size:0.8rem; margin-top:4rem;
}

@media(max-width:768px){
  .dash-top { grid-template-columns:1fr; }
  .dash-grid { grid-template-columns:1fr; }
  .topic-grid { grid-template-columns:1fr; }
  .topic-hero { grid-template-columns:1fr; padding:1.4rem; }
  .monthly-plan { grid-template-columns:1fr; }
  .sim-inputs { grid-template-columns:1fr; }
  .sim-results { grid-template-columns:1fr; }
  .problem-section { grid-template-columns:1fr; }
  .profile-card { grid-template-columns:1fr 1fr; }
  nav .nav-links { display:none; }
  .page-back { top:72px; left:12px; }
  .hero-showcase video { height:220px; }
  .feature-toast {
    right:16px; left:16px; bottom:16px;
  }
}