/* ============================================
   SCRIPTORIA — Design System
   Apple-inspired minimalist aesthetic
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #fafafa;
  --color-bg-alt: #ffffff;
  --color-bg-dark: #1d1d1f;
  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-text-light: #86868b;
  --color-text-on-dark: #f5f5f7;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #eff6ff;
  --color-border: #e5e5ea;
  --color-border-light: #f0f0f5;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Sizing */
  --max-width: 1080px;
  --max-width-narrow: 720px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-medium: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* --- Typography Scale --- */
.headline-1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.headline-2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.headline-3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.subheadline {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.body-large {
  font-size: 1.125rem;
  line-height: 1.6;
}

.body-small {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section--dark .subheadline,
.section--dark .body-small {
  color: #a1a1a6;
}

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

.section-header {
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.section-header .label {
  margin-bottom: var(--space-xs);
  display: block;
}

.section-header .headline-2 {
  margin-bottom: var(--space-sm);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-medium);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__logo span {
  color: var(--color-accent);
}

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

.nav__link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-bg-alt) !important;
  background: var(--color-accent);
  padding: 0.45rem 1rem;
  border-radius: 980px;
  transition: background var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg-alt) !important;
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  margin: 4px 0;
  transition: all var(--transition-fast);
  border-radius: 1px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.85rem 1.75rem;
  border-radius: 980px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: scale(1.02);
}

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

.btn--secondary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 0;
}

.btn--ghost:hover {
  color: var(--color-accent-hover);
}

.btn--ghost::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

.btn--large {
  font-size: 1.1rem;
  padding: 1rem 2.25rem;
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* --- Hero Section --- */
.hero {
  padding: calc(52px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.hero .headline-1 {
  margin-bottom: var(--space-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero .subheadline {
  max-width: 560px;
  margin: 0 auto var(--space-lg);
}

.hero__visual {
  margin-top: var(--space-xl);
  position: relative;
}

.hero__visual-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero__visual-text {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  opacity: 0.9;
}

/* --- Stats Bar --- */
.stats {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* --- Feature Cards --- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.feature-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  border: 1px solid var(--color-border-light);
}

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

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.feature-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* --- Process Steps --- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  counter-reset: process;
}

.process-step {
  text-align: center;
  padding: var(--space-lg) var(--space-sm);
  counter-increment: process;
}

.process-step__number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.process-step__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.process-step__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- Testimonials --- */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.testimonial-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border-light);
}

.testimonial-card__stars {
  color: #fbbf24;
  font-size: 0.875rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.testimonial-card__text {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  font-style: italic;
}

.testimonial-card__author {
  font-size: 0.875rem;
  font-weight: 600;
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* --- Pricing Cards --- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.pricing-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border: 1px solid var(--color-border-light);
  position: relative;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 1rem;
  border-radius: 980px;
  letter-spacing: 0.03em;
}

.pricing-card__name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.pricing-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.pricing-card__price {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-card__period {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.pricing-card__features li {
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-card__features li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

/* --- Services Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail__visual {
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.service-detail__visual--blue { background: linear-gradient(135deg, #dbeafe, #bfdbfe); }
.service-detail__visual--purple { background: linear-gradient(135deg, #ede9fe, #ddd6fe); }
.service-detail__visual--green { background: linear-gradient(135deg, #dcfce7, #bbf7d0); }
.service-detail__visual--amber { background: linear-gradient(135deg, #fef3c7, #fde68a); }

.service-detail__content .label {
  margin-bottom: var(--space-xs);
  display: block;
}

.service-detail__content .headline-3 {
  margin-bottom: var(--space-sm);
}

.service-detail__content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.65;
}

.service-detail__content ul {
  margin-bottom: var(--space-md);
}

.service-detail__content ul li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.service-detail__content ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8rem;
}

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-intro__visual {
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.value-card {
  text-align: center;
  padding: var(--space-lg);
}

.value-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.value-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.value-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.contact-info__item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-info__item:last-child {
  border-bottom: none;
}

.contact-info__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-size: 1.0625rem;
  font-weight: 500;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-section .headline-2 {
  margin-bottom: var(--space-sm);
}

.cta-section .subheadline {
  margin-bottom: var(--space-lg);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-xl) 0 var(--space-lg);
  color: var(--color-text-secondary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.footer__brand span {
  color: var(--color-accent);
}

.footer__desc {
  font-size: 0.875rem;
  line-height: 1.55;
  max-width: 280px;
}

.footer__heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__bottom {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

.footer__legal a {
  color: var(--color-text-secondary);
  margin-left: var(--space-md);
}

/* --- Page Hero (subpages) --- */
.page-hero {
  padding: calc(52px + var(--space-3xl)) 0 var(--space-xl);
  text-align: center;
}

.page-hero .label {
  margin-bottom: var(--space-xs);
  display: block;
}

.page-hero .headline-1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-sm);
}

.page-hero .subheadline {
  max-width: 560px;
  margin: 0 auto;
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-item__question {
  width: 100%;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  text-align: left;
  padding: var(--space-md) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
}

.faq-item__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-text-light);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer p {
  padding-bottom: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */

/* Tablet */
@media (max-width: 1024px) {
  .features__grid,
  .testimonials__grid,
  .values__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 400px;
    margin: 0 auto;
  }

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

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 250, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-md);
    gap: 0;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav__links.active {
    display: flex;
  }

  .nav__link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: 1rem;
  }

  .nav__cta {
    margin-top: var(--space-xs);
    text-align: center;
    display: block;
    padding: 0.65rem 1rem;
  }

  .nav__toggle {
    display: block;
  }

  .features__grid,
  .testimonials__grid,
  .pricing__grid,
  .values__grid {
    grid-template-columns: 1fr;
  }

  .pricing-card:last-child {
    grid-column: span 1;
    max-width: none;
  }

  .process__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .service-detail,
  .service-detail:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .about-intro {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .footer__legal a {
    margin: 0 var(--space-xs);
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    padding-top: calc(52px + var(--space-xl));
  }

  .page-hero {
    padding-top: calc(52px + var(--space-xl));
  }

  .section {
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 480px) {
  .stats__grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat__number {
    font-size: 2rem;
  }
}

/* ============================================
   BLOG — Overview & Article Styles
   ============================================ */

/* --- Blog Card Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.blog-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card__image {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__content {
  padding: var(--space-md) var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.blog-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.blog-card__title a {
  color: inherit;
}

.blog-card__title a:hover {
  color: var(--color-accent);
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-md);
  flex: 1;
}

.blog-card__meta {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  display: flex;
  gap: var(--space-sm);
}

.blog-card__meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* --- Article Page --- */
.article-hero {
  padding: calc(52px + var(--space-3xl)) 0 var(--space-lg);
  text-align: center;
}

.article-hero .label {
  margin-bottom: var(--space-xs);
  display: block;
}

.article-hero .headline-1 {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  margin-bottom: var(--space-md);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* --- Article Body Typography --- */
.article-body {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-3xl);
}

.article-body h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.article-body h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.article-body p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--space-md);
  padding-left: 1.5rem;
}

.article-body ul {
  list-style: none;
  padding-left: 0;
}

.article-body ul li {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  padding: 0.3rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.article-body ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8rem;
}

.article-body ol {
  list-style: decimal;
}

.article-body ol li {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  padding: 0.3rem 0;
}

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-lg) 0;
  background: var(--color-accent-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-body blockquote p {
  color: var(--color-text);
  font-size: 1.0625rem;
  font-style: italic;
  margin-bottom: 0;
}

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

/* --- Table of Contents --- */
.article-toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
}

.article-toc__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.article-toc ol {
  list-style: decimal;
  padding-left: 1.25rem;
  margin-bottom: 0;
}

.article-toc ol li {
  padding: 0.3rem 0;
}

.article-toc ol li a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.article-toc ol li a:hover {
  color: var(--color-accent);
}

/* --- Article CTA Box --- */
.article-cta {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  margin-top: var(--space-xl);
}

.article-cta .headline-3 {
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-xs);
}

.article-cta p {
  color: #a1a1a6;
  font-size: 1rem;
  margin-bottom: var(--space-md);
  line-height: 1.55;
}

.article-cta .btn {
  margin-top: var(--space-xs);
}

/* --- Related Articles --- */
.related-articles {
  padding: var(--space-xl) 0 0;
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-xl);
}

.related-articles__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

/* --- Blog Responsive --- */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .article-hero {
    padding-top: calc(52px + var(--space-xl));
  }

  .article-meta {
    flex-direction: column;
    gap: var(--space-xs);
    align-items: center;
  }

  .article-body {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-xl);
  }

  .article-cta {
    padding: var(--space-lg);
  }
}