/* Nearbo design system */
:root {
  --bg: #07070c;
  --bg-elevated: #0f0f16;
  --bg-card: #13131c;
  --fg: #eae6de;
  --fg-muted: #7d7a8a;
  --accent: #d4943a;
  --accent-hover: #e5a84d;
  --accent-glow: rgba(212, 148, 58, 0.15);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(212, 148, 58, 0.3);
  --success: #3aad6e;
  --danger: #e05454;
  --warning: #d4943a;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --max-width: 1120px;
  --radius: 12px;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Nav ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem 2rem;
  background: rgba(7, 7, 12, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
}
.logo { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; color: var(--fg); text-decoration: none; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: var(--fg-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  background: var(--accent); color: #07070c !important; font-weight: 700;
  padding: 0.45rem 1.1rem; border-radius: 8px; font-size: 0.85rem !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; color: #07070c !important; }

/* ── Hero ── */
.hero {
  padding: 10rem 2rem 6rem; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -40%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { max-width: var(--max-width); margin: 0 auto; position: relative; }
.hero-badge {
  display: inline-block; padding: 0.4rem 1rem;
  border: 1px solid var(--accent); border-radius: 100px;
  font-size: 0.8rem; color: var(--accent); margin-bottom: 2.5rem; letter-spacing: 0.03em;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 4.5rem); line-height: 1.05;
  margin-bottom: 1.5rem; letter-spacing: -0.03em;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p.lead { font-size: 1.2rem; color: var(--fg-muted); max-width: 580px; margin-bottom: 3rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.75rem; border-radius: 10px; font-family: var(--font-body);
  font-size: 1rem; font-weight: 600; text-decoration: none; cursor: pointer;
  border: none; transition: all 0.2s; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #07070c; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--fg);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ── Features grid ── */
.section { padding: 5rem 2rem; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-label { font-size: 0.8rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.section-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.02em; margin-bottom: 1.25rem; }
.section-body { color: var(--fg-muted); font-size: 1.1rem; max-width: 600px; margin-bottom: 3rem; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: var(--accent-glow); border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 1.25rem;
}
.feature-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; margin-bottom: 0.6rem; }
.feature-card p { color: var(--fg-muted); font-size: 0.95rem; line-height: 1.6; }

/* ── Tool cards on landing ── */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 2rem; }
.tool-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem;
  display: flex; flex-direction: column; gap: 1.5rem;
  text-decoration: none; color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
.tool-card:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.tool-card-badge {
  display: inline-block; padding: 0.3rem 0.75rem;
  background: var(--accent-glow); border: 1px solid var(--border-accent);
  border-radius: 100px; font-size: 0.75rem; color: var(--accent); letter-spacing: 0.04em;
}
.tool-card h3 { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; }
.tool-card p { color: var(--fg-muted); }
.tool-card-arrow { color: var(--accent); font-size: 1.25rem; margin-top: auto; }

/* ── App layout ── */
.app-page { padding: 7rem 2rem 4rem; min-height: 100vh; }
.app-inner { max-width: 820px; margin: 0 auto; }
.app-header { margin-bottom: 2.5rem; }
.app-header .breadcrumb { color: var(--fg-muted); font-size: 0.875rem; margin-bottom: 1rem; }
.app-header .breadcrumb a { color: var(--fg-muted); text-decoration: none; }
.app-header .breadcrumb a:hover { color: var(--accent); }
.app-header h1 { font-family: var(--font-display); font-weight: 800; font-size: 2rem; }
.app-header p { color: var(--fg-muted); margin-top: 0.5rem; }

/* ── Forms ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem; margin-bottom: 1.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--fg); }
.form-group .hint { font-size: 0.8rem; color: var(--fg-muted); margin-top: 0.35rem; }
.form-input, .form-textarea {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 8px; color: var(--fg); font-family: var(--font-body); font-size: 1rem;
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--border-accent); }
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

/* ── Results ── */
.result-card {
  background: var(--bg-card); border: 1px solid var(--border-accent);
  border-radius: var(--radius); padding: 2rem; margin-top: 1.5rem;
  display: none;
}
.result-card.visible { display: block; }

/* Score display */
.score-display {
  display: flex; align-items: center; gap: 2rem; margin-bottom: 2rem;
  padding-bottom: 2rem; border-bottom: 1px solid var(--border);
}
.score-svg-wrap {
  position: relative; width: 120px; height: 120px; flex-shrink: 0;
}
.score-svg { display: block; }
.score-track { stroke: var(--border); }
.score-progress {
  stroke: var(--accent);
  transition: stroke-dashoffset 0.05s linear, stroke 0.3s;
}
.score-center {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.score-number {
  font-family: var(--font-display); font-weight: 800; font-size: 1.9rem;
  color: var(--accent); line-height: 1;
}
.score-info { flex: 1; min-width: 0; }
.score-title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  margin-bottom: 0.4rem;
}
.score-summary { color: var(--fg-muted); font-size: 0.95rem; margin-bottom: 0.85rem; }
.score-legend {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem;
  font-size: 0.78rem; color: var(--fg-muted);
}
.legend-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
}
.legend-dot.danger { background: var(--danger); }
.legend-dot.warning { background: var(--warning); }
.legend-dot.success { background: var(--success); }

/* Section headings */
.section-heading {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; margin-top: 1.75rem;
}
.section-heading h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
}
.issues-count {
  font-size: 0.8rem; color: var(--fg-muted);
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.2rem 0.65rem;
}

/* Category groups */
.category-group { margin-bottom: 1.25rem; }
.category-header {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.6rem 0.85rem; margin-bottom: 0.5rem;
  background: var(--bg-elevated); border-radius: 8px;
  border-left: 2px solid var(--border-accent);
}
.category-icon { font-size: 1.1rem; }
.category-name { font-size: 0.875rem; font-weight: 600; flex: 1; }
.category-count {
  font-size: 0.75rem; color: var(--fg-muted);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.15rem 0.55rem;
}

/* Accordion */
.issue-accordion {
  border-left: 3px solid var(--border); border-radius: 0 8px 8px 0;
  margin-bottom: 0.4rem; overflow: hidden;
  background: var(--bg-elevated);
}
.issue-accordion.high { border-left-color: var(--danger); }
.issue-accordion.medium { border-left-color: var(--warning); }
.issue-accordion.low { border-left-color: var(--success); }

.accordion-header {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; padding: 0.85rem 1rem;
  background: transparent; border: none; color: var(--fg);
  font-family: var(--font-body); cursor: pointer; text-align: left;
  transition: background 0.15s;
}
.accordion-header:hover { background: rgba(255,255,255,0.03); }
.accordion-left { display: flex; align-items: center; gap: 0.65rem; flex: 1; min-width: 0; }
.accordion-title { font-size: 0.9rem; font-weight: 600; }
.accordion-chevron {
  font-size: 1.2rem; color: var(--fg-muted); flex-shrink: 0;
  transition: transform 0.25s; display: inline-block;
}
.accordion-chevron.rotated { transform: rotate(180deg); }

.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1rem;
}
.accordion-body.open {
  max-height: 300px;
  padding: 0 1rem 1rem;
}
.issue-desc { font-size: 0.875rem; color: var(--fg-muted); margin-bottom: 0.65rem; line-height: 1.6; }
.issue-fix { font-size: 0.875rem; }
.fix-label { color: var(--accent); font-weight: 600; }

/* Severity badges */
.severity-badge {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.15rem 0.5rem; border-radius: 4px; flex-shrink: 0;
}
.severity-badge.high { background: rgba(224, 84, 84, 0.15); color: var(--danger); }
.severity-badge.medium { background: rgba(212, 148, 58, 0.15); color: var(--warning); }
.severity-badge.low { background: rgba(58, 173, 110, 0.15); color: var(--success); }

/* Quick wins & strengths */
.quick-wins { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.quick-win {
  display: flex; align-items: flex-start; gap: 0.75rem;
  background: var(--bg-elevated); border-radius: 8px; padding: 0.85rem 1rem; font-size: 0.9rem;
}
.quick-win.strength { border-left: 2px solid var(--success); }
.qw-icon { flex-shrink: 0; font-size: 1rem; line-height: 1.5; }

/* Result footer */
.result-footer {
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border); text-align: center;
}

.response-box {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.5rem; line-height: 1.7; font-size: 0.95rem;
  margin-bottom: 1rem; white-space: pre-wrap;
}
.copy-btn-wrap { display: flex; justify-content: flex-end; }

/* ── Loading spinner ── */
.loader { display: none; text-align: center; padding: 2rem; color: var(--fg-muted); }
.loader.active { display: block; }
.spinner {
  width: 36px; height: 36px; margin: 0 auto 1rem;
  border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error ── */
.error-msg {
  background: rgba(224, 84, 84, 0.1); border: 1px solid rgba(224, 84, 84, 0.3);
  border-radius: 8px; padding: 1rem 1.25rem; color: var(--danger);
  font-size: 0.9rem; margin-top: 1rem; display: none;
}
.error-msg.visible { display: block; }

/* ── Section divider ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ── Footer ── */
.footer { padding: 3rem 2rem; border-top: 1px solid var(--border); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-copy { color: var(--fg-muted); font-size: 0.875rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--fg-muted); text-decoration: none; font-size: 0.875rem; }
.footer-links a:hover { color: var(--accent); }

/* ── Copy toast ── */
.toast {
  position: fixed; bottom: 2rem; right: 2rem;
  background: var(--bg-card); border: 1px solid var(--border-accent);
  color: var(--fg); padding: 0.75rem 1.25rem; border-radius: 8px;
  font-size: 0.875rem; transform: translateY(100px); opacity: 0;
  transition: all 0.3s; z-index: 999;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero { padding: 8rem 1.25rem 4rem; }
  .hero-actions { flex-direction: column; }
  .tools-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .section { padding: 3.5rem 1.25rem; }
  .app-page { padding: 6rem 1.25rem 3rem; }
  .card, .result-card { padding: 1.25rem; }
  .score-display { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .score-legend { gap: 0.4rem 0.75rem; }
  .accordion-title { font-size: 0.85rem; }
}