/* ============================================================
   ElcomSoft Case Advisor — base reset + design tokens + components
   ============================================================ */

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
}

img, svg { display: block; max-width: 100%; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.2; }
p, li { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Design tokens ---------- */
:root,
[data-theme='light'] {
  --color-bg: #f6f8fb;
  --color-bg-alt: #ffffff;
  --color-surface: #ffffff;
  --color-surface-alt: #eef2f8;
  --color-border: #dde3ed;
  --color-text: #101c33;
  --color-text-muted: #55647d;
  --color-primary: #0b5aa8;
  --color-primary-dark: #073e77;
  --color-primary-light: #e7f0fb;
  --color-accent: #f0790f;
  --color-accent-dark: #c85e07;
  --tone-warn: #b8391f;
  --tone-warn-bg: #fdece7;
  --tone-info: #0b5aa8;
  --tone-info-bg: #e7f0fb;
  --tone-tip: #17825a;
  --tone-tip-bg: #e6f6ef;
  --tone-custody: #4a5670;
  --tone-custody-bg: #eceff5;
  --shadow-sm: 0 1px 2px rgba(16, 28, 51, 0.06);
  --shadow-md: 0 6px 20px rgba(16, 28, 51, 0.08);
  --shadow-lg: 0 16px 40px rgba(16, 28, 51, 0.12);
}

[data-theme='dark'] {
  --color-bg: #0a1220;
  --color-bg-alt: #0f1a2e;
  --color-surface: #131f36;
  --color-surface-alt: #17233d;
  --color-border: #263252;
  --color-text: #e8edf7;
  --color-text-muted: #93a2c0;
  --color-primary: #55a3f0;
  --color-primary-dark: #a8cef8;
  --color-primary-light: #16273f;
  --color-accent: #ff9a3d;
  --color-accent-dark: #ffb266;
  --tone-warn: #ff8b6a;
  --tone-warn-bg: #2c1710;
  --tone-info: #6db4f5;
  --tone-info-bg: #142236;
  --tone-tip: #4bd7a3;
  --tone-tip-bg: #0e2a20;
  --tone-custody: #a7b3cc;
  --tone-custody-bg: #182338;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 880px; }

section { padding: 88px 0; }
section:nth-of-type(even) { background: var(--color-bg-alt); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--color-text); margin-right: auto; }
.brand-mark { width: 30px; height: 30px; color: var(--color-accent); flex-shrink: 0; }
.brand-text { font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; display: flex; flex-direction: column; line-height: 1.2; }
.brand-text-sub { font-weight: 500; font-size: 0.68rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.main-nav { display: flex; gap: 4px; }
.main-nav a {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.main-nav a:hover { color: var(--color-text); background: var(--color-surface-alt); }
.theme-toggle, .mobile-nav-toggle {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  color: var(--color-text-muted);
}
.theme-toggle:hover, .mobile-nav-toggle:hover { background: var(--color-surface-alt); color: var(--color-text); }
.mobile-nav-toggle { display: none; }

@media (max-width: 860px) {
  .main-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 8px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .mobile-nav-toggle { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }
.btn-ghost { border: 1px solid var(--color-border); color: var(--color-text); }
.btn-ghost:hover { background: var(--color-surface-alt); }
.btn-accent { background: var(--color-accent); color: #221000; box-shadow: var(--shadow-sm); }
.btn-accent:hover { background: var(--color-accent-dark); box-shadow: var(--shadow-md); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 72px; background: var(--color-bg); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-accent);
  background: color-mix(in oklab, var(--color-accent) 14%, transparent);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--color-primary); }
.hero > .wrap > div > p { font-size: 1.08rem; color: var(--color-text-muted); max-width: 54ch; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-tools { display: grid; gap: 12px; }
.hero-tool-chip {
  display: flex; align-items: center; gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 14px 16px;
  font-weight: 600; font-size: 0.92rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Section heads ---------- */
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-kicker { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 10px; }
.section-title { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -0.015em; margin-bottom: 12px; }
.section-desc { color: var(--color-text-muted); font-size: 1rem; }
.subsection-title { font-size: 1.15rem; font-weight: 700; margin: 40px 0 18px; }

/* ---------- Tool icons ---------- */
.tool-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}
.tool-icon svg { width: 24px; height: 24px; }
.tool-icon.sm { width: 32px; height: 32px; border-radius: 9px; }
.tool-icon.sm svg { width: 18px; height: 18px; }
.tool-icon.lg { width: 64px; height: 64px; border-radius: 16px; background: rgba(255,255,255,0.16); color: #fff; }
.tool-icon.lg svg { width: 32px; height: 32px; }

/* ---------- Wizard panel ---------- */
.tool-panel { display: grid; grid-template-columns: 380px 1fr; gap: 40px; align-items: start; }
.tool-inputs {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 28px;
  display: grid; gap: 26px;
  position: sticky; top: 96px;
  box-shadow: var(--shadow-sm);
}
.field-label { font-weight: 700; font-size: 0.92rem; margin-bottom: 10px; }
.field-hint { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 8px; }

.seg-group { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.seg-group.cols-3 { grid-template-columns: repeat(3, 1fr); }
.seg-group--wide { grid-template-columns: 1fr; }
.seg-btn {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: left;
  font-size: 0.86rem; font-weight: 600;
  background: var(--color-surface);
  display: flex; flex-direction: column; gap: 2px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.seg-btn:hover { border-color: var(--color-primary); }
.seg-btn[aria-pressed='true'] { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); }
.seg-btn-label { font-weight: 600; }
.seg-btn-hint { font-size: 0.72rem; font-weight: 500; color: var(--color-text-muted); }
.seg-btn[aria-pressed='true'] .seg-btn-hint { color: var(--color-primary); opacity: 0.8; }

.check-group { display: grid; gap: 4px; }
.check-item { display: flex; align-items: center; gap: 10px; padding: 8px 4px; font-size: 0.86rem; cursor: pointer; }
.check-item input { width: 17px; height: 17px; accent-color: var(--color-primary); flex-shrink: 0; }

/* ---------- Wizard result ---------- */
.verdict-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-radius: 18px;
  padding: 26px 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}
.verdict-tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  background: rgba(255,255,255,0.18);
  padding: 5px 10px; border-radius: 999px; margin-bottom: 12px;
}
.verdict-title { font-size: 1.3rem; font-weight: 800; }

.pipeline { display: grid; gap: 18px; margin-bottom: 24px; }
.pipeline-stage {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 18px 20px;
  background: var(--color-surface);
}
.pipeline-stage.inactive { opacity: 0.5; }
.pipeline-stage-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.pipeline-stage-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 700;
  font-family: 'IBM Plex Mono', monospace;
  flex-shrink: 0;
}
.pipeline-stage.inactive .pipeline-stage-num { background: var(--color-text-muted); }
.pipeline-stage-name { font-weight: 700; font-size: 1rem; }
.pipeline-stage-time { margin-left: auto; font-size: 0.76rem; color: var(--color-text-muted); font-family: 'IBM Plex Mono', monospace; }

.pipeline-tool-card {
  background: var(--color-surface-alt);
  border-radius: 12px;
  padding: 16px 18px;
  margin-top: 10px;
}
.pipeline-tool-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.pipeline-tool-head h4 { font-size: 0.98rem; font-weight: 700; }
.pipeline-tool-role { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 8px; }
.pipeline-tool-objectives { font-size: 0.9rem; color: var(--color-text); }
.pipeline-tool-objectives .obj-lead { font-weight: 700; color: var(--color-primary); }
.tool-link-sm { display: inline-block; margin-top: 10px; font-size: 0.8rem; font-weight: 600; color: var(--color-primary); }
.tool-link-sm:hover { text-decoration: underline; }

.advisor-notes { display: grid; gap: 12px; }
.advisor-note {
  display: flex; gap: 14px;
  border-radius: 14px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
}
.advisor-note-icon {
  width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.advisor-note-icon svg { width: 18px; height: 18px; }
.advisor-note h4 { font-size: 0.94rem; font-weight: 700; margin-bottom: 4px; }
.advisor-note p { font-size: 0.86rem; color: var(--color-text-muted); }
.advisor-note-tag { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }

.advisor-note.tone-warn { background: var(--tone-warn-bg); border-color: color-mix(in oklab, var(--tone-warn) 30%, transparent); }
.advisor-note.tone-warn .advisor-note-icon { background: color-mix(in oklab, var(--tone-warn) 18%, transparent); color: var(--tone-warn); }
.advisor-note.tone-warn .advisor-note-tag { color: var(--tone-warn); }

.advisor-note.tone-info { background: var(--tone-info-bg); border-color: color-mix(in oklab, var(--tone-info) 30%, transparent); }
.advisor-note.tone-info .advisor-note-icon { background: color-mix(in oklab, var(--tone-info) 18%, transparent); color: var(--tone-info); }
.advisor-note.tone-info .advisor-note-tag { color: var(--tone-info); }

.advisor-note.tone-tip { background: var(--tone-tip-bg); border-color: color-mix(in oklab, var(--tone-tip) 30%, transparent); }
.advisor-note.tone-tip .advisor-note-icon { background: color-mix(in oklab, var(--tone-tip) 18%, transparent); color: var(--tone-tip); }
.advisor-note.tone-tip .advisor-note-tag { color: var(--tone-tip); }

.advisor-note.tone-custody { background: var(--tone-custody-bg); border-color: var(--color-border); }
.advisor-note.tone-custody .advisor-note-icon { background: color-mix(in oklab, var(--tone-custody) 18%, transparent); color: var(--tone-custody); }
.advisor-note.tone-custody .advisor-note-tag { color: var(--tone-custody); }

@media (max-width: 980px) {
  .tool-panel { grid-template-columns: 1fr; }
  .tool-inputs { position: static; }
}

/* ---------- Workflow diagram ---------- */
.workflow-diagram { display: flex; align-items: stretch; gap: 18px; margin-bottom: 32px; }
.workflow-stage {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.workflow-stage-num {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-family: 'IBM Plex Mono', monospace;
  margin-bottom: 14px;
}
.workflow-stage h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.workflow-stage-q { font-size: 0.84rem; color: var(--color-text-muted); margin-bottom: 14px; font-style: italic; }
.workflow-branch { display: grid; gap: 10px; }
.workflow-branch div { font-size: 0.84rem; background: var(--color-surface-alt); border-radius: 10px; padding: 10px 12px; }
.workflow-arrow { display: flex; align-items: center; font-size: 1.6rem; color: var(--color-text-muted); font-weight: 300; }

.overlap-note {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--color-primary-light);
  border-radius: 14px;
  padding: 20px 22px;
}
.overlap-note p { font-size: 0.92rem; color: var(--color-text); }
.overlap-note strong { color: var(--color-primary-dark); }

@media (max-width: 900px) {
  .workflow-diagram { flex-direction: column; }
  .workflow-arrow { transform: rotate(90deg); justify-content: center; padding: 4px 0; }
}

/* ---------- Tool profiles ---------- */
.tool-profiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 28px; }
.tool-profile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.tool-profile-head { display: flex; gap: 16px; margin-bottom: 16px; }
.tool-stage-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--color-accent); margin-bottom: 4px;
}
.tool-profile h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 4px; }
.tool-tagline { font-size: 0.86rem; color: var(--color-text-muted); }
.tool-when { font-size: 0.88rem; margin-bottom: 12px; }
.tool-desc { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 16px; }
.tool-bestfor h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); margin-bottom: 8px; }
.tool-bestfor ul { display: grid; gap: 6px; padding-left: 18px; list-style: disc; margin-bottom: 18px; }
.tool-bestfor li { font-size: 0.86rem; }
.tool-link { margin-top: auto; align-self: flex-start; }

.companion-tool {
  display: flex; gap: 16px; align-items: flex-start;
  border: 1px dashed var(--color-border);
  border-radius: 16px;
  padding: 20px 22px;
}
.companion-tool h4 { font-size: 0.98rem; font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.companion-tool p { font-size: 0.88rem; color: var(--color-text-muted); }
.free-badge {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  background: var(--tone-tip-bg); color: var(--tone-tip);
  padding: 3px 8px; border-radius: 999px;
}

@media (max-width: 900px) { .tool-profiles { grid-template-columns: 1fr; } }

/* ---------- Quick reference table ---------- */
.matrix-table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: 16px; }
.matrix { min-width: 720px; }
.matrix th, .matrix td { text-align: left; padding: 16px 18px; font-size: 0.88rem; border-bottom: 1px solid var(--color-border); }
.matrix thead th { background: var(--color-surface-alt); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); }
.matrix tbody tr:last-child td { border-bottom: none; }
.matrix tbody tr:hover { background: var(--color-surface-alt); }

/* ---------- Best practices ---------- */
.triage-note-block {
  background: var(--color-primary-light);
  border-radius: 16px;
  padding: 24px 26px;
  margin-bottom: 12px;
}
.triage-note-block h4 { font-size: 1rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 8px; }
.triage-note-block p { font-size: 0.92rem; }

.custody-checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.custody-item { display: flex; gap: 14px; }
.custody-num {
  font-family: 'IBM Plex Mono', monospace; font-weight: 700; font-size: 0.8rem;
  color: var(--color-accent);
  flex-shrink: 0; padding-top: 2px;
}
.custody-item h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 4px; }
.custody-item p { font-size: 0.85rem; color: var(--color-text-muted); }

.card-row { display: grid; gap: 16px; }
.card-row--2 { grid-template-columns: repeat(2, 1fr); }
.card-block {
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--color-surface);
}
.card-block h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; }
.card-block p { font-size: 0.85rem; color: var(--color-text-muted); }

.tip-block {
  background: var(--tone-tip-bg);
  border-radius: 14px;
  padding: 20px 22px;
  margin-top: 24px;
}
.tip-block h4 { font-size: 0.95rem; font-weight: 700; color: var(--tone-tip); margin-bottom: 6px; }
.tip-block p { font-size: 0.88rem; }

.further-reading { margin-top: 36px; }
.further-reading ul { display: grid; gap: 8px; }
.further-reading a { font-size: 0.88rem; color: var(--color-primary); font-weight: 500; }
.further-reading a:hover { text-decoration: underline; }

@media (max-width: 700px) {
  .custody-checklist, .card-row--2 { grid-template-columns: 1fr; }
}

/* ---------- Bundle CTA ---------- */
.bundle-cta {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
}
[data-theme='dark'] .bundle-cta { background: linear-gradient(135deg, #0a3560, #14477e); }
.bundle-cta-inner { display: flex; gap: 26px; align-items: center; }
.bundle-cta h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 10px; }
.bundle-cta p { font-size: 0.94rem; opacity: 0.92; max-width: 70ch; margin-bottom: 20px; }

@media (max-width: 700px) { .bundle-cta-inner { flex-direction: column; align-items: flex-start; } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border); padding: 32px 0; }
.footer-inner { display: grid; gap: 6px; font-size: 0.8rem; color: var(--color-text-muted); }