/* VARIANT C — Gunmetal + American Red / Bold */
:root, [data-theme='dark'] {
  --color-bg: #0c0c0e;
  --color-surface: #141418;
  --color-surface-2: #1a1a1f;
  --color-surface-offset: #1e1e24;
  --color-divider: #28282f;
  --color-border: #363640;
  --color-text: #e4e4ec;
  --color-text-muted: #88889a;
  --color-text-faint: #525260;
  --color-text-inverse: #0c0c0e;

  /* American Red — bold, patriotic, high contrast */
  --color-primary: #cc2a2a;
  --color-primary-hover: #e03030;
  --color-primary-active: #f04040;
  --color-primary-highlight: #2e1010;
  --color-primary-fg: #fff0f0;

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.45);
  --shadow-md: 0 4px 20px oklch(0 0 0 / 0.55);
  --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.65);
}

[data-theme='light'] {
  --color-bg: #f5f5f7;
  --color-surface: #fafafa;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ebebef;
  --color-divider: #d8d8e0;
  --color-border: #c4c4d0;
  --color-text: #0c0c18;
  --color-text-muted: #5c5c70;
  --color-text-faint: #a4a4b4;
  --color-text-inverse: #fafafa;
  --color-primary: #b01e1e;
  --color-primary-hover: #8e1616;
  --color-primary-active: #6e1010;
  --color-primary-highlight: #f0d0d0;
  --color-primary-fg: #fff0f0;
  --shadow-sm: 0 1px 3px oklch(0.1 0.02 0 / 0.07);
  --shadow-md: 0 4px 20px oklch(0.1 0.02 0 / 0.09);
  --shadow-lg: 0 16px 48px oklch(0.1 0.02 0 / 0.13);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0c0c0e;
    --color-surface: #141418;
    --color-surface-2: #1a1a1f;
    --color-surface-offset: #1e1e24;
    --color-divider: #28282f;
    --color-border: #363640;
    --color-text: #e4e4ec;
    --color-text-muted: #88889a;
    --color-text-faint: #525260;
    --color-text-inverse: #0c0c0e;
    --color-primary: #cc2a2a;
    --color-primary-hover: #e03030;
    --color-primary-active: #f04040;
    --color-primary-highlight: #2e1010;
    --color-primary-fg: #fff0f0;
    --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.45);
    --shadow-md: 0 4px 20px oklch(0 0 0 / 0.55);
    --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.65);
  }
}
/* === DESIGN TOKENS === */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-default: 1100px;
  --content-narrow: 680px;

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* === BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100dvh;
}
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; }
input, button, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; transition: color var(--transition-interactive); }
ul[role='list'] { list-style: none; }
::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* === LAYOUT === */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}
.header--scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
}
.logo-mark { flex-shrink: 0; }
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}
.nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.nav a:hover { color: var(--color-text); }
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: var(--space-1);
  margin-left: var(--space-2);
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: all var(--transition-interactive);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-12));
  padding-bottom: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: var(--space-2);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-5);
  transition: all var(--transition-interactive);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-fg);
  border: 1.5px solid var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-full { width: 100%; justify-content: center; }

/* === HERO === */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}
@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1fr 420px;
    align-items: center;
    gap: var(--space-16);
    max-width: var(--content-default);
    margin-inline: auto;
    padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
  }
}
.hero-inner {
  max-width: none;
  padding-inline: 0;
}
@media (max-width: 899px) {
  .hero-inner { padding-inline: clamp(var(--space-5), 5vw, var(--space-12)); }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero-heading em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
  margin-bottom: var(--space-8);
}
.form-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.form-row .input { flex: 1; min-width: 220px; }
.input {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  width: 100%;
}
.input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 18%, transparent); }
.input::placeholder { color: var(--color-text-faint); }
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}
.form-note.center { text-align: center; }
.hero-social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.avatars {
  display: flex;
}
.avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-bg);
  margin-left: -6px;
}
.avatar:first-child { margin-left: 0; }

/* === NEWSLETTER PREVIEW === */
.hero-visual {
  display: none;
}
@media (min-width: 900px) {
  .hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-right: clamp(var(--space-5), 5vw, var(--space-12));
  }
}
.newsletter-preview {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  width: 100%;
  max-width: 380px;
}
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.preview-logo {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text);
}
.preview-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.preview-headline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}
.preview-line {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  margin-bottom: var(--space-2);
}
.preview-line.long { width: 92%; }
.preview-line.medium { width: 70%; }
.preview-line.short { width: 50%; }
.preview-divider {
  height: 1px;
  background: var(--color-divider);
  margin-block: var(--space-4);
}
.preview-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

/* === SECTION SHARED === */
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: var(--space-4);
}
section h2 em {
  font-style: italic;
  color: var(--color-primary);
}
.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-bottom: var(--space-12);
  line-height: 1.7;
}

/* === TOPICS SECTION === */
.section-what {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-10);
}
.topic-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.topic-icon { font-size: 1.75rem; margin-bottom: var(--space-4); }
.topic-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.topic-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === RESOURCES SECTION === */
.section-resources {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.resources-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 768px) {
  .resources-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: box-shadow var(--transition-interactive);
}
.resource-card:hover { box-shadow: var(--shadow-md); }
.resource-card.featured {
  border-color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary-highlight) 30%, var(--color-surface));
}
.resource-badge {
  position: absolute;
  top: -12px;
  left: var(--space-6);
  background: var(--color-primary);
  color: var(--color-primary-fg);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}
.resource-icon { font-size: 2rem; }
.resource-info { flex: 1; }
.resource-info h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.resource-info p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}
.resource-meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-display);
}
.format {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* === TESTIMONIALS === */
.section-testimonials {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.testimonials-grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-10);
}
@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: 1fr 1.3fr 1fr; align-items: start; }
}
.testimonial {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.testimonial.featured-testimonial {
  border-color: var(--color-primary);
  padding: var(--space-8);
}
.testimonial p {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
}
.testimonial cite {
  display: flex;
  flex-direction: column;
  font-style: normal;
}
.testimonial cite strong {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}
.testimonial cite span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* === SUBSCRIBE SECTION === */
.section-subscribe {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.subscribe-inner {
  display: grid;
  gap: var(--space-12);
  align-items: start;
}
@media (min-width: 900px) {
  .subscribe-inner { grid-template-columns: 1fr 420px; }
}
.subscribe-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.subscribe-text p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.subscribe-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.subscribe-bullets li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.subscribe-form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.subscribe-form label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

/* === FOOTER === */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}
.footer-links {
  display: flex;
  gap: var(--space-6);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-text); }
.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 65ch;
  line-height: 1.6;
}

/* === TOAST === */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s;
  opacity: 0;
  pointer-events: none;
  z-index: 999;
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* === MOBILE === */
@media (max-width: 640px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .form-row { flex-direction: column; }
  .form-row .btn { width: 100%; justify-content: center; }
}
@media (max-width: 899px) {
  .theme-toggle { margin-left: auto; }
}

/* Nav btn contrast fix */
.btn-primary { color: #ffffff; }