/* ==========================================================================
   accel. — Engineering Aesthetic & Motion Design System
   Matches Better Raw Accel styling with Satoshi typography & theme support
   ========================================================================== */

:root {
  --font-ui: "Satoshi", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Satoshi", sans-serif;
  --font-mono: "Satoshi", "IBM Plex Mono", "Consolas", monospace;

  /* Theme defaults: paper */
  --bg: #f5f4ef;
  --desk: #eae8e1;
  --card: #ffffff;
  --pop-bg: #ffffff;
  --ink: #181816;
  --ink2: #52504b;
  --ink3: #8a8880;
  --border: #d4d1c7;
  --border-strong: #181816;
  --grid: rgba(24, 24, 22, 0.04);
  --grid-maj: rgba(24, 24, 22, 0.09);
  --accent: #d9383a;
  --accent-soft: rgba(217, 56, 58, 0.08);
  --accent-ink: #ffffff;
  --blue: #1b63b5;
  --blue-soft: rgba(27, 99, 181, 0.08);
  --green: #2d8048;
  --green-soft: rgba(45, 128, 72, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------------- Themes ---------------- */
[data-theme="graphite"] {
  --bg: #1c1d21; --desk: #141518; --card: #23252a; --pop-bg: #27292f;
  --ink: #f0f0f2; --ink2: #a2a4ad; --ink3: #7e808a;
  --border: #33363f; --border-strong: #646876;
  --grid: rgba(255, 255, 255, 0.03); --grid-maj: rgba(255, 255, 255, 0.06);
  --accent: #e5484d; --accent-soft: rgba(229, 72, 77, 0.14);
  --blue: #3e88e5; --blue-soft: rgba(62, 136, 229, 0.14);
  --green: #4ade80; --green-soft: rgba(74, 222, 128, 0.12);
  --shadow-md: 0 14px 40px rgba(0,0,0,0.45);
}

[data-theme="blueprint"] {
  --bg: #0d2847; --desk: #091b30; --card: #12345c; --pop-bg: #153c69;
  --ink: #e8f1fa; --ink2: #9bc0e8; --ink3: #6e9ac9;
  --border: #1e4d82; --border-strong: #72a9e2;
  --grid: rgba(155, 192, 232, 0.06); --grid-maj: rgba(155, 192, 232, 0.12);
  --accent: #ff9e42; --accent-soft: rgba(255, 158, 66, 0.15);
  --blue: #4da3ff; --blue-soft: rgba(77, 163, 255, 0.18);
  --green: #34d399; --green-soft: rgba(52, 211, 153, 0.14);
  --shadow-md: 0 14px 40px rgba(0,0,0,0.55);
}

[data-theme="obsidian"] {
  --bg: #0a0a0c; --desk: #050507; --card: #121216; --pop-bg: #18181e;
  --ink: #fbfbfe; --ink2: #9e9eb0; --ink3: #6b6b7a;
  --border: #22222a; --border-strong: #4a4a5a;
  --grid: rgba(255, 255, 255, 0.025); --grid-maj: rgba(255, 255, 255, 0.05);
  --accent: #ff3b5c; --accent-soft: rgba(255, 59, 92, 0.15);
  --blue: #4088ff; --blue-soft: rgba(64, 136, 255, 0.15);
  --green: #10b981; --green-soft: rgba(16, 185, 129, 0.12);
  --shadow-md: 0 16px 48px rgba(0,0,0,0.7);
}

[data-theme="cyberpunk"] {
  --bg: #090a12; --desk: #05050a; --card: #101224; --pop-bg: #151830;
  --ink: #f0f8ff; --ink2: #00e5ff; --ink3: #8a96bc;
  --border: #21264c; --border-strong: #00e5ff;
  --grid: rgba(0, 229, 255, 0.04); --grid-maj: rgba(255, 0, 110, 0.07);
  --accent: #ff006e; --accent-soft: rgba(255, 0, 110, 0.18);
  --blue: #00e5ff; --blue-soft: rgba(0, 229, 255, 0.18);
  --green: #00ff66; --green-soft: rgba(0, 255, 102, 0.15);
  --shadow-md: 0 16px 48px rgba(0, 229, 255, 0.12);
}

[data-theme="chalk"] {
  --bg: #222629; --desk: #181a1d; --card: #2c3136; --pop-bg: #33383e;
  --ink: #f4f5f6; --ink2: #b4bcc4; --ink3: #7f8892;
  --border: #3f454d; --border-strong: #f4f5f6;
  --grid: rgba(255, 255, 255, 0.035); --grid-maj: rgba(255, 255, 255, 0.07);
  --accent: #86efac; --accent-soft: rgba(134, 239, 172, 0.14);
  --blue: #93c5fd; --blue-soft: rgba(147, 197, 253, 0.14);
  --green: #86efac; --green-soft: rgba(134, 239, 172, 0.12);
}

/* ---------------- Base & Engineering Paper Grid ---------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-ui);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px),
    linear-gradient(to right, var(--grid-maj) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-maj) 1px, transparent 1px);
  background-size: 16px 16px, 16px 16px, 80px 80px, 80px 80px;
  background-position: -1px -1px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a { color: inherit; text-decoration: none; }
button { font-family: var(--font-ui); cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- Fluid Scroll & Reveal Animations ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ---------------- Titleblock Header / Navigation ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  transition: opacity 0.2s ease;
}

.brand:hover {
  opacity: 0.9;
}

.brand-logo-svg {
  height: 32px;
  width: auto;
  display: block;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-ui);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink2);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--ink);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-select {
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.theme-select:focus { border-color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease);
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  box-shadow: 2px 2px 0 var(--border-strong);
}

.btn-primary:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--border-strong);
}

.btn-primary:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--border-strong);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.25);
}

.btn-accent:hover {
  filter: brightness(1.08);
  transform: translate(-1px, -1px);
}

.btn-secondary {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.btn-sm {
  font-size: 12.5px;
  padding: 6px 14px;
}

.btn-lg {
  font-size: 15.5px;
  padding: 13px 26px;
}

/* ---------------- Hero Section ---------------- */
.hero {
  padding: 72px 0 54px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--ink2);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-family: var(--font-ui);
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1.6px;
  margin-bottom: 22px;
}

.hero-title .highlight {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero-desc {
  font-family: var(--font-ui);
  font-size: clamp(16.5px, 1.8vw, 19.5px);
  font-weight: 450;
  color: var(--ink2);
  line-height: 1.55;
  max-width: 580px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 34px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink2);
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-badges svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ---------------- Hero Interactive Card (The Mini-App) ---------------- */
.hero-preview {
  position: relative;
  animation: floatCard 6s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.app-frame {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.app-frame-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  background: color-mix(in srgb, var(--ink) 4%, var(--card));
  border-bottom: 1px solid var(--border);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink2);
}

.app-frame-dots {
  display: flex;
  gap: 6px;
}

.app-frame-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border);
}

.app-frame-body {
  padding: 16px;
}

/* Live curve graph preview */
.curve-box {
  width: 100%;
  height: 220px;
  position: relative;
  background: color-mix(in srgb, var(--bg) 60%, var(--card));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
}

.curve-box canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.curve-readouts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.readout-col {
  padding: 8px 10px;
  background: color-mix(in srgb, var(--ink) 3%, var(--card));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.readout-col .lbl {
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--ink3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.readout-col .val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------------- Sections ---------------- */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-ui);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 850;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.15;
}

.section-desc {
  font-family: var(--font-ui);
  font-size: 17px;
  color: var(--ink2);
}

/* ---------------- Interactive Aim & Acceleration Demo ---------------- */
.demo-section {
  background: color-mix(in srgb, var(--desk) 60%, var(--bg));
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.demo-wrapper {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.demo-screen {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.aim-canvas-container {
  width: 100%;
  height: 380px;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  cursor: crosshair;
}

.aim-canvas-container canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.aim-instructions {
  position: absolute;
  top: 16px;
  left: 16px;
  pointer-events: none;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink2);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.demo-controls-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}

.control-label small {
  font-family: var(--font-ui);
  color: var(--ink3);
  font-weight: 500;
}

.control-select, .control-input {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  outline: none;
}

.control-select:focus, .control-input:focus {
  border-color: var(--ink);
}

.range-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--bg);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.toggle-btn {
  padding: 8px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 3px;
  color: var(--ink2);
  transition: all 0.2s ease;
}

.toggle-btn.active {
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat-pill {
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.stat-pill .k {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink3);
  text-transform: uppercase;
}

.stat-pill .v {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

/* ---------------- Valorant Aim Breakdown Section ---------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.feature-num {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  display: block;
}

.feature-title {
  font-family: var(--font-ui);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.feature-desc {
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--ink2);
  line-height: 1.6;
}

/* ---------------- Interactive Valorant Scenarios ---------------- */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.scenario-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px;
  transition: transform 0.2s var(--ease);
}

.scenario-card:hover {
  transform: translateY(-2px);
}

.scenario-tag {
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: block;
}

.scenario-title {
  font-family: var(--font-ui);
  font-size: 16.5px;
  font-weight: 800;
  margin-bottom: 8px;
}

.scenario-body {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink2);
}

/* ---------------- Anti-Cheat / Vanguard Callout ---------------- */
.callout-box {
  margin-top: 48px;
  padding: 28px 32px;
  background: var(--green-soft);
  border: 1px solid color-mix(in srgb, var(--green) 35%, transparent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.callout-icon-svg {
  width: 32px;
  height: 32px;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 2px;
}

.callout-content h4 {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--ink);
}

.callout-content p {
  font-family: var(--font-ui);
  font-size: 14.5px;
  color: var(--ink2);
}

/* ---------------- Download Page Styles ---------------- */
.download-hero {
  padding: 60px 0 40px;
  text-align: center;
}

.download-card-large {
  max-width: 820px;
  margin: 0 auto;
  background: var(--card);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 6px 6px 0 var(--border-strong);
  overflow: hidden;
  text-align: left;
}

.download-card-head {
  padding: 22px 28px;
  background: color-mix(in srgb, var(--ink) 4%, var(--card));
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* In the user screenshot, ensure all these tags use Satoshi! */
.dl-version-tag {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 5px 12px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 4px;
}

.dl-platform-label {
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink2);
  margin-left: 12px;
}

.dl-signed-badge {
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.download-card-body {
  padding: 36px 32px;
}

.download-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
}

.checksum-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 32px;
}

.checksum-hash {
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
  color: var(--ink2);
}

.quickstart-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.step-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: transform 0.2s var(--ease);
}

.step-box:hover {
  transform: translateY(-2px);
}

.step-num {
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}

.step-box h5 {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 6px;
}

.step-box p {
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: var(--ink2);
}

/* ---------------- FAQ Accordion ---------------- */
.faq-grid {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--ink2);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  font-family: var(--font-ui);
  font-weight: 750;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  padding: 0 22px 18px;
  font-family: var(--font-ui);
  font-size: 14.5px;
  color: var(--ink2);
  line-height: 1.6;
}

/* ---------------- Footer & Credits ---------------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
  background: var(--card);
  font-size: 14px;
  color: var(--ink2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  color: var(--ink);
}

.footer-brand .brand-logo-svg {
  margin-bottom: 14px;
}

.footer-col h5 {
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  color: var(--ink3);
}

.footer-credits-note {
  max-width: 600px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink2);
}

.footer-credits-note a {
  color: var(--ink);
  text-decoration: underline;
  font-weight: 600;
}

/* ---------------- Media Queries ---------------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .demo-wrapper { grid-template-columns: 1fr; }
  .scenarios-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-title { font-size: 34px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .download-card-body { padding: 24px 18px; }
}