:root {
  --teal: #0D4F5C;
  --teal-light: #1A6B7D;
  --amber: #C47A22;
  --amber-light: #E8933A;
  --bg: #F8F6F1;
  --surface: #FFFFFF;
  --border: #E4E0D8;
  --text-primary: #1A1814;
  --text-secondary: #6B6560;
  --text-muted: #9E9891;
  --green: #2D7A4F;
  --green-bg: #EAF4EE;
  --red: #B53B3B;
  --red-bg: #FBE9E9;
  --amber-bg: #FDF4E7;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Nunito Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* NAV */
.nav {
  padding: 20px 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 18px;
  background: var(--teal);
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

/* HERO */
.hero {
  padding: 80px 48px 64px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(13, 79, 92, 0.08);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-headline {
  font-size: 52px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--teal);
}
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* HERO CARDS */
.hero-right { display: flex; flex-direction: column; gap: 16px; }
.hero-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.hero-card-sm { padding: 18px 24px; }
.card-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.card-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.card-metric-label { font-size: 14px; color: var(--text-secondary); flex: 1; }
.card-arrow { font-size: 14px; font-weight: 700; }
.card-arrow.down { color: var(--green); }
.card-value { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 15px; color: var(--text-primary); }
.card-status { font-size: 12px; color: var(--green); font-weight: 500; }
.card-progress-bar {
  height: 5px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
  margin: 12px 0 6px;
}
.card-progress-fill {
  height: 100%;
  background: var(--teal);
  border-radius: 100px;
}
.card-period { font-size: 11px; color: var(--text-muted); }

/* SECTION SHARED */
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}
.section-headline {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-body {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

/* INSTRUMENTS */
.instruments { padding: 80px 48px; background: var(--bg); }
.instruments-inner { max-width: 1200px; margin: 0 auto; }
.instruments-header { margin-bottom: 48px; }
.instrument-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.instrument-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.inst-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.inst-badge-depression { background: var(--red-bg); color: var(--red); }
.inst-badge-anxiety { background: #EDF2FB; color: #3A5BA8; }
.inst-badge-neuro { background: var(--amber-bg); color: var(--amber); }
.inst-badge-custom { background: rgba(13,79,92,0.08); color: var(--teal); }
.inst-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.inst-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; }
.inst-meta { font-size: 12px; color: var(--text-muted); font-weight: 500; }

/* FEATURES */
.features { padding: 80px 48px; background: var(--surface); border-top: 1px solid var(--border); }
.features-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 80px; }
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature-row-reverse { direction: rtl; }
.feature-row-reverse > * { direction: ltr; }
.feature-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-list li {
  font-size: 15px;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
}

/* FEATURE VISUALS */
.fv-mock {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  min-height: 240px;
}
.mock-header {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.mock-metrics { display: flex; gap: 20px; margin-bottom: 16px; }
.mock-metric { display: flex; flex-direction: column; gap: 2px; }
.mock-metric-label { font-size: 11px; color: var(--text-muted); }
.mock-metric-val {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
}
.mock-metric-val.green { color: var(--green); }
.mock-metric-val.teal { color: var(--teal); }
.mock-metric-val.down { color: var(--green); }
.mock-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-top: 1px solid var(--border); }
.mock-row-label { font-size: 13px; color: var(--text-secondary); }
.mock-row-val { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.mock-status { font-size: 12px; font-weight: 600; color: var(--green); background: var(--green-bg); padding: 3px 10px; border-radius: 100px; }

.mock-question { padding: 14px 0; border-bottom: 1px solid var(--border); }
.mock-q-label { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 6px; }
.mock-q-text { font-size: 14px; color: var(--text-primary); margin-bottom: 10px; font-style: italic; }
.mock-options { display: flex; flex-direction: column; gap: 4px; }
.mock-opt { font-size: 12px; color: var(--text-secondary); padding: 4px 10px; background: var(--surface); border-radius: 6px; border: 1px solid var(--border); }
.mock-q-dim { opacity: 0.5; }

.mock-cal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.mock-day { padding: 10px; border: 1px solid var(--border); border-radius: 10px; }
.mock-day-num { font-size: 11px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; }
.mock-sess { font-size: 11px; font-weight: 500; padding: 4px 8px; border-radius: 6px; margin-bottom: 4px; display: block; }
.sess-a { background: #E8F4F6; color: var(--teal); }
.sess-b { background: #FDF4E7; color: var(--amber); }
.sess-c { background: #EAF4EE; color: var(--green); }
.mock-day-empty { background: var(--surface); }
.mock-empty-text { font-size: 18px; color: var(--border); text-align: center; display: block; }

/* PROGRESS */
.progress { padding: 80px 48px; background: var(--teal); }
.progress-inner { max-width: 1200px; margin: 0 auto; }
.progress-header { text-align: center; margin-bottom: 56px; }
.progress-header .section-tag { color: rgba(255,255,255,0.6); }
.progress-header .section-headline { color: white; }
.progress-header .section-body { color: rgba(255,255,255,0.7); margin: 0 auto; }
.progress-chart {
  background: rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 36px;
  margin-bottom: 40px;
}
.chart-label { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 24px; font-weight: 500; }
.chart-bars { display: flex; align-items: flex-end; gap: 24px; height: 180px; padding-bottom: 40px; position: relative; }
.chart-bar-group { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; height: 100%; justify-content: flex-end; position: relative; }
.chart-bar { width: 100%; background: rgba(255,255,255,0.25); border-radius: 8px 8px 4px 4px; transition: height 0.4s; min-height: 20px; }
.chart-bar-current { background: rgba(232,147,58,0.9); }
.chart-month { font-size: 12px; color: rgba(255,255,255,0.5); position: absolute; bottom: -24px; }
.chart-score { font-size: 12px; font-weight: 700; color: white; position: absolute; top: -20px; }
.chart-threshold { position: absolute; left: 0; right: 0; bottom: 38px; }
.threshold-line { border-top: 2px dashed rgba(232,147,58,0.7); width: 100%; }
.threshold-label { font-size: 11px; color: var(--amber-light); margin-top: 4px; display: block; }
.progress-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,0.1); border-radius: 16px; overflow: hidden; }
.pstat { background: rgba(255,255,255,0.06); padding: 28px 32px; text-align: center; }
.pstat-num { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 36px; color: white; display: block; }
.pstat-label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 6px; display: block; line-height: 1.5; }

/* CLOSING */
.closing { padding: 100px 48px; background: var(--bg); text-align: center; }
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-headline {
  font-size: 40px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.closing-body {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* FOOTER */
.footer { padding: 40px 48px; background: var(--text-primary); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.footer-logo { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 22px; background: var(--teal); color: white; width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.footer-brand { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 600; font-size: 16px; color: white; }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); max-width: 400px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { display: none; }
  .hero-headline { font-size: 36px; }
  .instrument-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row-reverse { direction: ltr; }
  .progress-stats { grid-template-columns: 1fr; }
  .instruments, .features, .progress, .closing, .hero { padding-left: 24px; padding-right: 24px; }
  .nav { padding-left: 24px; padding-right: 24px; }
}
@media (max-width: 600px) {
  .instrument-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 28px; }
  .section-headline { font-size: 26px; }
  .closing-headline { font-size: 28px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stat-divider { display: none; }
}