/* ===================================================================
 * Grantforge — Style
 * Brand: editorial / text-forward; pine green primary, amber accent
 * Fonts: IBM Plex Serif (display), IBM Plex Sans (body), IBM Plex Mono (mono)
 * Radius: 2px | Space unit: 4px
 * Stance: editorial
 * =================================================================== */

/* --- Google Fonts (loaded via <link> in HTML <head> for faster initial paint) --- */
/* We declare the font stack here with fallbacks; font loading is handled by the HTML link tags. */

/* --- CSS Variables (light — default) --- */
:root {
  --color-primary: #1a5e4a;
  --color-accent: #c4820e;
  --color-on-surface: #1a1c1a;
  --color-on-surface-muted: #5c5e5b;
  --color-surface: #faf8f5;
  --color-surface-elevated: #ffffff;
  --color-border: #d6d4d0;
  --color-error: #b33a33;
  --color-success: #2a7a5a;
  --color-visited: #4a7a6a;

  --font-display: "IBM Plex Serif", Georgia, serif;
  --font-body: "IBM Plex Sans", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 2px;
  --space: 4px;

  --max-width: 960px;
  --content-width: 42em;

  --color-rule: 214, 212, 208;
  --color-surface-alpha: 250, 248, 245;
}

/* --- Dark theme --- */
[data-theme="dark"] {
  --color-primary: #3a9a7a;
  --color-accent: #e09515;
  --color-on-surface: #e0ddd5;
  --color-on-surface-muted: #9a9b96;
  --color-surface: #1a1c1a;
  --color-surface-elevated: #242624;
  --color-border: #3a3c38;
  --color-error: #d45a52;
  --color-success: #4aaa82;
  --color-visited: #6a9a8a;

  --color-rule: 58, 60, 56;
  --color-surface-alpha: 26, 28, 26;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-on-surface);
  background: var(--color-surface);
  line-height: 1.5;
  transition: background 200ms ease, color 200ms ease;
}

::selection {
  background: var(--color-primary);
  color: var(--color-surface);
}

/* --- Layout container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 calc(var(--space) * 4);
}

/* --- Content columns (constrained prose) --- */
.content-col {
  max-width: var(--content-width);
  margin-left: 0;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: calc(var(--space) * 3);
}

h2 {
  font-size: 1.25rem;
  margin-bottom: calc(var(--space) * 2);
}

h3 {
  font-size: 1.0625rem;
  margin-bottom: calc(var(--space) * 2);
}

p {
  margin-bottom: calc(var(--space) * 2);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:visited {
  color: var(--color-visited);
}

a:hover {
  text-decoration: none;
}

/* --- Eyebrow --- */
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: calc(var(--space) * 2);
  font-weight: 400;
}

/* --- Section (numbered, with rule) --- */
.section {
  margin-top: calc(var(--space) * 12);
  margin-bottom: calc(var(--space) * 8);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: calc(var(--space) * 2);
  margin-bottom: calc(var(--space) * 4);
  position: relative;
}

.section-header::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.section-header h1,
.section-header h2 {
  margin-bottom: 0;
  white-space: nowrap;
}

.section-body {
  max-width: var(--content-width);
}

/* --- Navigation --- */
.site-nav {
  display: flex;
  align-items: center;
  gap: calc(var(--space) * 6);
  padding: calc(var(--space) * 4) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: calc(var(--space) * 6);
}

.site-nav .logo-area {
  display: flex;
  align-items: center;
  gap: calc(var(--space) * 2);
  text-decoration: none;
  margin-right: auto;
}

.site-nav .mark {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  flex-shrink: 0;
  transition: background 200ms ease;
}

.site-nav .brand-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: calc(var(--space) * 4);
  list-style: none;
}

.site-nav .nav-links a {
  font-size: 0.8125rem;
  text-decoration: none;
  color: var(--color-on-surface-muted);
  padding: calc(var(--space) * 1) calc(var(--space) * 2);
  border-radius: var(--radius);
  transition: color 150ms ease, background 150ms ease;
}

.site-nav .nav-links a:hover {
  color: var(--color-on-surface);
  background: color-mix(in srgb, var(--color-on-surface) 6%, transparent);
}

.site-nav .nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* --- Theme toggle --- */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  padding: calc(var(--space) * 1) calc(var(--space) * 2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-muted);
  transition: color 150ms ease, border-color 150ms ease;
  width: 36px;
  height: 36px;
}

.theme-toggle:hover {
  color: var(--color-on-surface);
  border-color: var(--color-on-surface-muted);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* --- Hero (split layout) --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--space) * 8);
  padding: calc(var(--space) * 8) 0 calc(var(--space) * 6);
}

.hero-text {
  max-width: 36em;
}

.hero-text .hero-headline {
  font-size: 1.75rem;
  color: var(--color-on-surface);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: calc(var(--space) * 3);
  line-height: 1.25;
}

.hero-text .hero-headline .accent-word {
  color: var(--color-accent);
}

.hero-text p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-on-surface-muted);
}

.hero-actions {
  display: flex;
  gap: calc(var(--space) * 3);
  margin-top: calc(var(--space) * 4);
  flex-wrap: wrap;
}

/* --- Hero visual / figure area --- */
.hero-visual {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.hero-screenshot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* --- Drawn figure (the product pipeline) --- */
.product-figure {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.product-figure .fig-bg {
  fill: var(--color-surface-elevated);
  stroke: var(--color-border);
  stroke-width: 1;
  rx: var(--radius);
}

.product-figure .fig-arrow {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
}

.product-figure .fig-arrow-head {
  fill: var(--color-accent);
}

.product-figure .fig-box {
  fill: var(--color-surface-elevated);
  stroke: var(--color-border);
  stroke-width: 1;
  rx: var(--radius);
}

.product-figure .fig-box-primary {
  fill: var(--color-primary);
  rx: var(--radius);
}

.product-figure .fig-box-accent {
  fill: var(--color-accent);
  rx: var(--radius);
}

.product-figure .fig-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--color-on-surface-muted);
  text-anchor: middle;
}

.product-figure .fig-label-light {
  fill: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 8px;
  text-anchor: middle;
  font-weight: 600;
}

/* Hero 4-panel mark (shown on non-index pages) */
.hero-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--space) * 2);
  width: 100%;
  max-width: 360px;
}

.hero-mark .panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-elevated);
  padding: calc(var(--space) * 3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-on-surface-muted);
  min-height: 72px;
}

.hero-mark .panel .label {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-muted);
  margin-bottom: calc(var(--space) * 1);
}

.hero-mark .panel .value {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  transition: color 200ms ease;
}

.hero-mark .panel .value.checked {
  color: var(--color-success);
}

/* --- Buttons --- */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space) * 2);
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: calc(var(--space) * 3) calc(var(--space) * 6);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: opacity 150ms ease, background 150ms ease, color 150ms ease;
  line-height: 1;
}

.btn:hover {
  opacity: 0.9;
}

.btn:active {
  opacity: 0.8;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface-elevated);
}

.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor: default;
}

/* --- List (features, checks) --- */
.check-list {
  list-style: none;
  padding: 0;
}

.check-list li {
  padding: calc(var(--space) * 1) 0;
  padding-left: calc(var(--space) * 5);
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-on-surface);
  line-height: 1.5;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space) * 2);
  width: 14px;
  height: 11px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg) scale(0.85);
  transform-origin: center;
}

/* --- Limits list --- */
.limits-list {
  list-style: none;
  padding: 0;
}

.limits-list li {
  padding: calc(var(--space) * 1) 0;
  padding-left: calc(var(--space) * 4);
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-on-surface-muted);
  line-height: 1.5;
}

.limits-list li::before {
  content: "\u00d7";
  position: absolute;
  left: 0;
  top: calc(var(--space) * 1);
  color: var(--color-error);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* --- Objection / QA pair --- */
.qa-pair {
  margin-bottom: calc(var(--space) * 6);
}

.qa-pair .question {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--color-primary);
  margin-bottom: calc(var(--space) * 1);
}

.qa-pair .answer {
  color: var(--color-on-surface-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --- Proof strip --- */
.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface-elevated);
}

.proof-cell {
  padding: calc(var(--space) * 5) calc(var(--space) * 4);
  text-align: center;
  border-right: 1px solid var(--color-border);
}

.proof-cell:last-child {
  border-right: none;
}

.proof-cell .number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  display: block;
  line-height: 1.1;
  margin-bottom: calc(var(--space) * 1);
}

.proof-cell .caption {
  font-size: 0.75rem;
  color: var(--color-on-surface-muted);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* --- Pricing table --- */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.pricing-table th {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-muted);
  text-align: left;
  padding: calc(var(--space) * 3) calc(var(--space) * 3);
  border-bottom: 1px solid var(--color-border);
}

.pricing-table td {
  padding: calc(var(--space) * 3) calc(var(--space) * 3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-on-surface);
  vertical-align: top;
}

.pricing-table tr:last-child td {
  border-bottom: none;
}

.pricing-table .price {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.pricing-table .feature-yes {
  font-family: var(--font-mono);
  color: var(--color-success);
  font-weight: 600;
}

.pricing-table .feature-no {
  font-family: var(--font-mono);
  color: var(--color-on-surface-muted);
  font-weight: 400;
  opacity: 0.5;
}

.pricing-cta {
  margin-top: calc(var(--space) * 6);
  text-align: center;
}

/* --- Mock checkout --- */
.mock-checkout {
  margin-top: calc(var(--space) * 6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 6);
  background: var(--color-surface-elevated);
  max-width: 400px;
}

.mock-checkout .demo-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1) calc(var(--space) * 2);
  margin-bottom: calc(var(--space) * 3);
}

.mock-checkout h3 {
  margin-bottom: calc(var(--space) * 3);
}

.mock-checkout .form-group {
  margin-bottom: calc(var(--space) * 3);
}

.mock-checkout .form-group label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
  margin-bottom: calc(var(--space) * 1);
}

.mock-checkout .form-group input {
  width: 100%;
  padding: calc(var(--space) * 2) calc(var(--space) * 3);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-on-surface);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 150ms ease;
}

.mock-checkout .form-group input:focus {
  border-color: var(--color-primary);
}

/* --- Tool page (form + output) --- */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--space) * 6);
  margin-bottom: calc(var(--space) * 6);
}

.form-section {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 6);
}

.form-section h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: calc(var(--space) * 3);
}

.form-group {
  margin-bottom: calc(var(--space) * 3);
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
  margin-bottom: calc(var(--space) * 1);
  font-weight: 400;
}

.form-group input[type="number"] {
  width: 100%;
  padding: calc(var(--space) * 2) calc(var(--space) * 3);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-on-surface);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 150ms ease;
}

.form-group input[type="number"]:focus {
  border-color: var(--color-primary);
}

.form-group input[type="number"]::placeholder {
  color: var(--color-border);
}

.form-group input[type="text"] {
  width: 100%;
  padding: calc(var(--space) * 2) calc(var(--space) * 3);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-on-surface);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 150ms ease;
}

.form-group input[type="text"]:focus {
  border-color: var(--color-primary);
}

/* --- Summary bar --- */
.summary-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--space) * 3);
  padding: calc(var(--space) * 4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-elevated);
  margin-bottom: calc(var(--space) * 4);
}

.summary-item {
  text-align: center;
}

.summary-item .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-muted);
}

.summary-item .value {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-on-surface);
  margin-top: calc(var(--space) * 1);
}

/* --- Report preview --- */
#report-section {
  display: none;
  margin-top: calc(var(--space) * 4);
}

#report-body {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 6);
  max-height: 600px;
  overflow-y: auto;
}

#report-body h1 {
  font-size: 1.25rem;
  margin-bottom: calc(var(--space) * 2);
}

#report-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: calc(var(--space) * 4);
}

#report-body th,
#report-body td {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-align: right;
  padding: calc(var(--space) * 1) calc(var(--space) * 2);
  border-bottom: 1px solid var(--color-border);
}

#report-body th {
  font-family: var(--font-body);
  text-align: left;
  background: var(--color-primary);
  color: var(--color-surface-elevated);
  font-weight: 600;
  font-size: 0.8125rem;
}

#report-body td:first-child,
#report-body th:first-child {
  text-align: left;
}

#report-body tr:nth-child(even) td {
  background: rgba(var(--color-rule), 0.2);
}

#report-body .finding {
  margin: calc(var(--space) * 2) 0;
  padding: calc(var(--space) * 2);
  border-left: 3px solid;
  font-size: 0.875rem;
}

#report-body .finding--error {
  border-color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 8%, transparent);
}

#report-body .finding--warning {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}

#report-body .finding--info {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

/* --- Disclaimer box --- */
.disclaimer-box {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 4);
  margin-bottom: calc(var(--space) * 4);
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
  line-height: 1.6;
}

.disclaimer-box strong {
  color: var(--color-on-surface);
}

/* --- Motion (allowed per brand: section reveal, check indicator) --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes checkPulse {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes countUp {
  from { opacity: 1; }
}

.section-reveal {
  animation: fadeInUp 200ms ease both;
}

.check-indicator {
  animation: checkPulse 200ms ease both;
}

/* --- Figure flow animation (one-shot on hero figure) --- */
@keyframes flowDash {
  to {
    stroke-dashoffset: 0;
  }
}

.product-figure .fig-animate-flow {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: flowDash 1.2s ease forwards;
}

.product-figure .fig-animate-flow-2 {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: flowDash 0.8s ease 0.4s forwards;
}

/* --- Footer --- */
.site-footer {
  margin-top: calc(var(--space) * 10);
  padding: calc(var(--space) * 6) 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: calc(var(--space) * 6);
  margin-bottom: calc(var(--space) * 4);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-muted);
  margin-bottom: calc(var(--space) * 3);
}

.footer-col p {
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: calc(var(--space) * 1);
}

.footer-col ul a {
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
  text-decoration: none;
}

.footer-col ul a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: calc(var(--space) * 4);
  margin-top: calc(var(--space) * 4);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-on-surface-muted);
}

/* --- Legal pages (privacy, terms) prose --- */
.legal-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: calc(var(--space) * 6) 0;
}

.legal-page h1 {
  margin-bottom: calc(var(--space) * 2);
}

.legal-page .last-updated {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
  margin-bottom: calc(var(--space) * 6);
}

.legal-page h2 {
  margin-top: calc(var(--space) * 6);
  margin-bottom: calc(var(--space) * 2);
}

.legal-page h3 {
  font-family: var(--font-display);
  margin-top: calc(var(--space) * 4);
  margin-bottom: calc(var(--space) * 2);
}

.legal-page p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-on-surface);
}

.legal-page ul {
  margin-bottom: calc(var(--space) * 2);
  padding-left: calc(var(--space) * 6);
}

.legal-page ul li {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-on-surface);
  margin-bottom: calc(var(--space) * 1);
}

/* --- Minimal app page styling (no hero) --- */
.app-page .site-nav {
  margin-bottom: calc(var(--space) * 4);
}

.app-page h1 {
  font-size: 1.5rem;
}

/* --- Hover-only (no touch) --- */
@media (hover: hover) {
  .btn:hover {
    opacity: 0.85;
  }
}

/* --- Respect reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* --- Responsive --- */
@media (max-width: 899px) {
  .hero {
    grid-template-columns: 1fr;
    gap: calc(var(--space) * 6);
  }

  .hero-visual {
    order: 1;
  }

  .tool-layout {
    grid-template-columns: 1fr;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: calc(var(--space) * 3);
  }

  .site-nav .nav-links {
    order: 1;
    width: 100%;
    justify-content: flex-start;
    padding-top: calc(var(--space) * 2);
    border-top: 1px solid var(--color-border);
  }

  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-cell:nth-child(even) {
    border-right: none;
  }

  .proof-cell:nth-child(2) {
    border-right: 1px solid var(--color-border);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: calc(var(--space) * 4);
  }

  .footer-bottom {
    flex-direction: column;
    gap: calc(var(--space) * 2);
    text-align: center;
  }

  .pricing-table {
    font-size: 0.8125rem;
  }

  .pricing-table th,
  .pricing-table td {
    padding: calc(var(--space) * 2);
  }
}

@media (max-width: 599px) {
  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-cell {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .proof-cell:last-child {
    border-bottom: none;
  }

  .section-header h2 {
    font-size: 1.0625rem;
  }

  .hero-text .hero-headline {
    font-size: 1.375rem;
  }
}

/* --- Success message (pricing demo) --- */
#subscribe-success {
  display: none;
  margin-top: calc(var(--space) * 4);
  padding: calc(var(--space) * 4);
  border: 1px solid var(--color-success);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--color-success) 8%, transparent);
  text-align: center;
}

#subscribe-success .success-icon {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-success);
  margin-bottom: calc(var(--space) * 1);
}

#subscribe-success p {
  font-size: 0.9375rem;
  color: var(--color-on-surface);
  margin-bottom: 0;
}