/* ============================================
   STACKD — Design Tokens & Component Styles
   Financial zine meets streetwear brand
   ============================================ */

/* --- Type Scale (Fluid) --- */
:root {
  --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);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* --- Spacing (4px base) --- */
  --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;

  /* --- Fonts --- */
  --font-display: 'Space Grotesk', 'Arial', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* --- Radius --- */
  --radius-sm: 0.25rem;
  --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);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* --- Content widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ============================================
   DARK MODE (Default for STACKD)
   ============================================ */
:root,
[data-theme='dark'] {
  --color-bg: #1A1A2E;
  --color-surface: #16213E;
  --color-surface-2: #1E2A4A;
  --color-surface-offset: #0F1729;
  --color-border: rgba(191, 255, 0, 0.12);
  --color-border-subtle: rgba(255, 255, 255, 0.08);
  --color-divider: rgba(255, 255, 255, 0.06);

  --color-text: #E8E8EC;
  --color-text-muted: #9B9BA8;
  --color-text-faint: #5C5C6E;
  --color-text-inverse: #1A1A2E;

  --color-primary: #BFFF00;
  --color-primary-hover: #D4FF4D;
  --color-primary-active: #A3DB00;
  --color-primary-highlight: rgba(191, 255, 0, 0.1);

  --color-error: #FF4D6A;
  --color-success: #00E676;
  --color-warning: #FFB300;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* ============================================
   LIGHT MODE
   ============================================ */
[data-theme='light'] {
  --color-bg: #F5F5F0;
  --color-surface: #FFFFFF;
  --color-surface-2: #FAFAF7;
  --color-surface-offset: #EAEAE5;
  --color-border: rgba(26, 26, 46, 0.12);
  --color-border-subtle: rgba(26, 26, 46, 0.06);
  --color-divider: rgba(26, 26, 46, 0.08);

  --color-text: #1A1A2E;
  --color-text-muted: #5C5C6E;
  --color-text-faint: #9B9BA8;
  --color-text-inverse: #F5F5F0;

  --color-primary: #6B8F00;
  --color-primary-hover: #5A7A00;
  --color-primary-active: #4A6600;
  --color-primary-highlight: rgba(107, 143, 0, 0.08);

  --color-error: #D32F2F;
  --color-success: #2E7D32;
  --color-warning: #F57F17;

  --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.1);
  --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.14);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #F5F5F0;
    --color-surface: #FFFFFF;
    --color-surface-2: #FAFAF7;
    --color-surface-offset: #EAEAE5;
    --color-border: rgba(26, 26, 46, 0.12);
    --color-border-subtle: rgba(26, 26, 46, 0.06);
    --color-divider: rgba(26, 26, 46, 0.08);
    --color-text: #1A1A2E;
    --color-text-muted: #5C5C6E;
    --color-text-faint: #9B9BA8;
    --color-text-inverse: #F5F5F0;
    --color-primary: #6B8F00;
    --color-primary-hover: #5A7A00;
    --color-primary-active: #4A6600;
    --color-primary-highlight: rgba(107, 143, 0, 0.08);
    --color-error: #D32F2F;
    --color-success: #2E7D32;
    --color-warning: #F57F17;
    --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.08);
    --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.1);
    --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.14);
  }
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

/* ============================================
   HEADER / NAV
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);

  @supports (background: oklch(from red l c h / 0.88)) {
    background: oklch(from var(--color-bg) l c h / 0.88);
  }
  border-bottom: 1px solid var(--color-border-subtle);
  transition: box-shadow 0.3s var(--ease-out);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: clamp(56px, 8vw, 72px);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  height: 28px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__links {
  display: none;
  list-style: none;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--transition-interactive);
}

.nav__links a:hover {
  color: var(--color-primary);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-primary-highlight);
}

/* Mobile menu button */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-20) var(--space-5) var(--space-8);
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  transition: color var(--transition-interactive);
}

.mobile-nav a:hover {
  color: var(--color-primary);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 14ch;
  letter-spacing: -0.02em;
}

.hero__title span {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__featured {
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.hero__featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
}

.hero__featured-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.hero__featured-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.hero__featured-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 60ch;
}

.hero__featured-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Decorative grid bg for hero */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 70% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 70% 40%, black 20%, transparent 70%);
  opacity: 0.5;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
  min-height: 44px;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

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

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

/* ============================================
   ARTICLE CARDS GRID
   ============================================ */
.articles-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.section-link {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.section-link:hover {
  color: var(--color-primary-hover);
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .articles-grid .card:first-child {
    grid-column: span 2;
  }
}

/* ============================================
   CARD
   ============================================ */
.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  color: var(--color-text);
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.card:active {
  transform: translateY(0);
}

.card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.25;
}

.card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.6;
  flex: 1;
}

.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.card__read-time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card__arrow {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--transition-interactive), transform var(--transition-interactive);
}

.card:hover .card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* First card (featured) gets bigger type on desktop */
@media (min-width: 1024px) {
  .articles-grid .card:first-child .card__title {
    font-size: var(--text-xl);
  }
}

/* ============================================
   START HERE SECTION
   ============================================ */
.start-here {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
  background: var(--color-surface-offset);
}

.start-here__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .start-here__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.start-here__text {
  max-width: 500px;
}

.start-here__label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.start-here__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.start-here__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.start-here__steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-interactive);
}

.step:hover {
  border-color: var(--color-primary);
}

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-bg);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.step__content h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.step__content p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Right side: visual/graphic panel */
.start-here__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.start-here__stat {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.start-here__stat:not(:last-child) {
  border-bottom: 1px solid var(--color-divider);
}

.start-here__stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.start-here__stat-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.start-here__stat-text h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

.start-here__stat-text p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */
.newsletter {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}

.newsletter__inner {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.newsletter__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-5);
  color: var(--color-primary);
}

.newsletter__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.newsletter__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 44ch;
  margin-inline: auto;
}

.newsletter__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 440px;
  margin-inline: auto;
}

@media (min-width: 480px) {
  .newsletter__form {
    flex-direction: row;
  }
}

.newsletter__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-height: 44px;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.newsletter__input::placeholder {
  color: var(--color-text-faint);
}

.newsletter__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.newsletter__fine {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

/* Success message */
.newsletter__success {
  display: none;
  padding: var(--space-4);
  background: var(--color-primary-highlight);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-weight: 600;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}

.newsletter__success.is-visible {
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-surface-offset);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__brand .logo {
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.footer__social a:hover {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.footer__social svg {
  width: 18px;
  height: 18px;
}

.footer__col h3 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__col a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__powered {
  font-style: italic;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to {
    opacity: 1;
  }
}

/* JS fallback for browsers without scroll-driven animations */
.js-reveal {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

.js-reveal.is-visible {
  opacity: 1;
}

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  z-index: 200;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ============================================
   TICKER / MARQUEE
   ============================================ */
.ticker {
  overflow: hidden;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-surface-offset);
}

.ticker__track {
  display: flex;
  gap: var(--space-10);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.ticker__item {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.ticker__item span.dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ticker__track {
    animation: none;
  }
}

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  padding-block: var(--space-4);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  color: var(--color-text-faint);
  user-select: none;
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: 600;
}

/* Article layout */
.article-layout {
  padding-block: clamp(var(--space-8), 4vw, var(--space-16));
}

.article-layout .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 960px) {
  .article-layout .container {
    grid-template-columns: 1fr 300px;
    gap: var(--space-10);
  }
}

/* Article header */
.article-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
}

.article-header__tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.article-header__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 24ch;
}

@media (min-width: 768px) {
  .article-header__title {
    font-size: var(--text-2xl);
  }
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
}

.article-header__meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Article body */
.article-body {
  max-width: 72ch;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.article-body p strong {
  color: var(--color-text);
  font-weight: 600;
}

.article-body ul,
.article-body ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.article-body li {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.article-body li strong {
  color: var(--color-text);
  font-weight: 600;
}

.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-5);
  margin-block: var(--space-6);
  font-style: italic;
  color: var(--color-text-muted);
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-interactive);
}

.article-body a:hover {
  color: var(--color-primary-hover);
}

/* Callout box in articles */
.article-callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-block: var(--space-6);
}

.article-callout__label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.article-callout p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* Inline CTA banner */
.article-cta {
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-block: var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.article-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
}

.article-cta__badge {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.article-cta__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.article-cta__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  max-width: 48ch;
  margin-inline: auto;
}

/* Sidebar */
.article-sidebar {
  display: none;
}

@media (min-width: 960px) {
  .article-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    position: sticky;
    top: calc(clamp(56px, 8vw, 72px) + var(--space-6));
    align-self: start;
  }
}

.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.sidebar-card__label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.sidebar-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.sidebar-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* Related articles section */
.related-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid var(--color-border-subtle);
}

.related-section .section-header {
  margin-bottom: var(--space-6);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Comparison table for articles */
.article-table-wrap {
  overflow-x: auto;
  margin-block: var(--space-6);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.article-table th {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  background: var(--color-surface-offset);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  white-space: nowrap;
}

.article-table td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-subtle);
}

.article-table tr:hover td {
  background: var(--color-primary-highlight);
}

/* Pros/cons list */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-block: var(--space-6);
}

@media (min-width: 640px) {
  .pros-cons {
    grid-template-columns: 1fr 1fr;
  }
}

.pros-cons__col {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.pros-cons__col h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-3);
  margin-top: 0;
}

.pros-cons__col--pro h3 {
  color: var(--color-success);
}

.pros-cons__col--con h3 {
  color: var(--color-error);
}

.pros-cons__col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pros-cons__col li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
}

.pros-cons__col--pro li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.pros-cons__col--con li::before {
  content: '\2212';
  position: absolute;
  left: 0;
  color: var(--color-error);
  font-weight: 700;
}

/* Rating display */
.rating-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-block: var(--space-4);
}

.rating-display__score {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.rating-display__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Back to home link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-decoration: none;
  padding-block: var(--space-4);
  transition: color var(--transition-interactive);
}

.back-link:hover {
  color: var(--color-primary);
}

.back-link svg {
  width: 16px;
  height: 16px;
}