/* ESTE Systems - Refined Editorial Aesthetic */

/* === FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&display=swap');

/* === VARIABLES === */
:root {
  /* Colors - Dark confidence with warm accent */
  --color-bg: #fafaf9;
  --color-bg-alt: #f5f5f4;
  --color-surface: #ffffff;
  --color-text: #1c1917;
  --color-text-muted: #57534e;
  --color-text-light: #a8a29e;
  --color-border: #e7e5e4;
  --color-border-dark: #d6d3d1;
  
  /* Accent - Deep teal/slate for trust */
  --color-accent: #0f766e;
  --color-accent-dark: #0d5d56;
  --color-accent-light: #14b8a6;
  
  /* Dark sections */
  --color-dark-bg: #1c1917;
  --color-dark-text: #fafaf9;
  --color-dark-muted: #a8a29e;
  
  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-serif: 'Source Serif 4', Georgia, 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;
  
  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

.text-muted {
  color: var(--color-text-muted);
}

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

.serif {
  font-family: var(--font-serif);
}

/* === 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-2xl) 0;
}

/* === HEADER === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.header--hidden {
  transform: translateY(-100%);
}

.header--scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

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

.header__logo-img {
  height: 32px;
  width: auto;
}

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

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover::after {
  width: 100%;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn--primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-dark);
}

.btn--secondary:hover {
  border-color: var(--color-text);
  background: var(--color-text);
  color: white;
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 0.5rem 0;
}

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

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

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

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, var(--color-bg-alt) 100%);
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

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

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 560px;
}

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

/* === PROBLEMS SECTION === */
.problems {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
}

.problems__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.problems__header h2 {
  margin-bottom: var(--space-sm);
}

.problems__header p {
  color: var(--color-dark-muted);
  font-size: 1.125rem;
}

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

.problem-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.problem-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.problem-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.problem-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.problem-card__text {
  color: var(--color-dark-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

.problem-card__link {
  color: var(--color-accent-light);
  font-size: 0.9375rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-fast);
}

.problem-card__link:hover {
  gap: 0.75rem;
}

/* === SOLUTIONS SECTION === */
.solutions {
  background: var(--color-bg);
}

.solutions__header {
  margin-bottom: var(--space-xl);
}

.solutions__header h2 {
  margin-bottom: var(--space-sm);
}

.solution-block {
  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);
}

.solution-block:last-child {
  border-bottom: none;
}

.solution-block:nth-child(even) {
  direction: rtl;
}

.solution-block:nth-child(even) > * {
  direction: ltr;
}

.solution-block__content h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.solution-block__content h4 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.solution-block__visual {
  background: var(--color-bg-alt);
  border-radius: 12px;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.solution-block__stat {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.solution-block__stat-label {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* === CREDIBILITY STRIP === */
.credibility {
  background: var(--color-bg-alt);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.credibility__item {
  padding: var(--space-sm);
}

.credibility__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.credibility__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* === DIFFERENCE SECTION === */
.difference {
  background: var(--color-surface);
}

.difference__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: center;
}

.difference__content h2 {
  margin-bottom: var(--space-md);
}

.difference__content > p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.difference__list {
  list-style: none;
}

.difference__list li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

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

.difference__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.difference__visual {
  background: var(--color-dark-bg);
  border-radius: 16px;
  padding: var(--space-xl);
  color: var(--color-dark-text);
}

.difference__quote {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.difference__quote::before {
  content: '"';
  color: var(--color-accent);
}

.difference__quote::after {
  content: '"';
  color: var(--color-accent);
}

.difference__author {
  font-size: 0.875rem;
  color: var(--color-dark-muted);
}

/* === PROCESS SECTION === */
.process {
  background: var(--color-bg);
}

.process__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.process__step {
  text-align: center;
  padding: var(--space-md);
}

.process__step-number {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 auto var(--space-md);
}

.process__step h4 {
  margin-bottom: var(--space-xs);
}

.process__step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* === CTA SECTION === */
.cta-section {
  background: var(--color-accent);
  color: white;
}

.cta-section__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.cta-section__primary {
  text-align: left;
}

.cta-section__primary h2 {
  margin-bottom: var(--space-sm);
}

.cta-section__primary > p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--space-md);
}

.cta-section__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.cta-section__note {
  font-size: 0.875rem;
  opacity: 0.8;
  margin-bottom: 0;
}

.cta-section .btn--secondary {
  background: white;
  color: var(--color-accent);
  border-color: white;
}

.cta-section .btn--secondary:hover {
  background: var(--color-dark-bg);
  color: white;
  border-color: var(--color-dark-bg);
}

.cta-section__divider {
  width: 1px;
  height: 160px;
  background: rgba(255, 255, 255, 0.3);
}

.cta-section__newsletter {
  text-align: left;
}

.cta-section__newsletter h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.cta-section__newsletter > p {
  font-size: 0.9375rem;
  opacity: 0.9;
  margin-bottom: var(--space-md);
}

/* Newsletter Form */
.newsletter-form {
  display: flex;
  gap: var(--space-xs);
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: none;
  border-radius: 6px;
  background: white;
  color: var(--color-text);
}

.newsletter-form input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

.btn--newsletter {
  background: var(--color-dark-bg);
  color: white;
  padding: 0.75rem 1.25rem;
  white-space: nowrap;
}

.btn--newsletter:hover {
  background: var(--color-text);
}

.newsletter-form__note {
  font-size: 0.8125rem;
  opacity: 0.7;
  margin-top: var(--space-xs);
  margin-bottom: 0;
}

/* === FOOTER === */
.footer {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
  padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer__brand h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.footer__brand h3 span {
  color: var(--color-accent-light);
}

.footer__brand p {
  color: var(--color-dark-muted);
  font-size: 0.9375rem;
  max-width: 320px;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer__contact a {
  color: var(--color-dark-text);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

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

.footer__social a {
  color: var(--color-dark-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer__nav h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark-muted);
  margin-bottom: var(--space-md);
}

.footer__nav ul {
  list-style: none;
}

.footer__nav li {
  margin-bottom: var(--space-xs);
}

.footer__nav a {
  color: var(--color-dark-text);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-dark-muted);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .problems__grid {
    grid-template-columns: 1fr;
  }

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

  .solution-block:nth-child(even) {
    direction: ltr;
  }

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

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

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

  .cta-section__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }

  .cta-section__primary,
  .cta-section__newsletter {
    text-align: center;
  }

  .cta-section__contacts {
    justify-content: center;
  }

  .cta-section__divider {
    width: 100%;
    height: 1px;
  }

  .newsletter-form {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  section {
    padding: var(--space-xl) 0;
  }
  
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }
  
  .nav.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding-top: calc(72px + var(--space-xl));
    padding-bottom: var(--space-xl);
  }
  
  .hero__cta {
    flex-direction: column;
  }
  
  .hero__cta .btn {
    width: 100%;
  }
  
  .credibility__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  
  .process__steps {
    grid-template-columns: 1fr;
  }
  
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .cta-section__contacts {
    flex-direction: column;
    align-items: center;
  }

  .cta-section__contacts .btn {
    width: 100%;
    max-width: 280px;
  }

  .newsletter-form {
    flex-direction: column;
    max-width: 320px;
    margin: 0 auto;
  }

  .newsletter-form input[type="email"],
  .btn--newsletter {
    width: 100%;
  }

  .footer__social {
    justify-content: center;
  }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for grid items */
.animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

/* === BLOG === */

/* Blog Hero */
.blog-hero {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
  padding: calc(72px + var(--space-xl)) 0 var(--space-xl);
}

.blog-hero h1 {
  margin-bottom: var(--space-sm);
}

.blog-hero p {
  color: var(--color-dark-muted);
  font-size: 1.125rem;
  max-width: 560px;
}

/* Blog Posts Grid */
.blog-posts {
  background: var(--color-bg);
  padding: var(--space-2xl) 0;
}

.blog-posts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

/* Blog Card */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.blog-card:hover {
  border-color: var(--color-border-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

.blog-card__meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.blog-card__date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.blog-card__tag {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: rgba(15, 118, 110, 0.08);
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
}

.blog-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.blog-card__title a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.blog-card__link {
  color: var(--color-accent);
  font-size: 0.9375rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-fast);
}

.blog-card__link::after {
  content: '→';
}

.blog-card__link:hover {
  gap: 0.75rem;
}

/* Blog Newsletter */
.blog-newsletter {
  background: var(--color-bg-alt);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.blog-newsletter__inner {
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

.blog-newsletter__inner h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.blog-newsletter__inner > p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.blog-newsletter .newsletter-form {
  justify-content: center;
}

.blog-newsletter .newsletter-form input[type="email"] {
  border: 1px solid var(--color-border);
}

.blog-newsletter .btn--newsletter {
  background: var(--color-accent);
}

.blog-newsletter .btn--newsletter:hover {
  background: var(--color-accent-dark);
}

/* Blog Article */
.blog-article {
  padding: calc(72px + var(--space-xl)) 0 var(--space-2xl);
}

.blog-article__header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.blog-article__back {
  display: inline-block;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  transition: color var(--transition-fast);
}

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

.blog-article__meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.blog-article__header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: var(--space-md);
}

.blog-article__intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 640px;
}

/* Blog Article Content */
.blog-article__content {
  font-size: 1.0625rem;
  line-height: 1.75;
}

.blog-article__content h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.blog-article__content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.blog-article__content h3 {
  font-size: 1.125rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.blog-article__content p {
  margin-bottom: var(--space-md);
}

.blog-article__content ul,
.blog-article__content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.blog-article__content li {
  margin-bottom: var(--space-xs);
}

.blog-article__content pre {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
  padding: var(--space-md);
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  line-height: 1.6;
}

.blog-article__content code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.blog-article__content p code,
.blog-article__content li code {
  background: var(--color-bg-alt);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.875em;
  color: var(--color-accent-dark);
}

.blog-article__content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

.blog-article__content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

.blog-article__content th,
.blog-article__content td {
  padding: var(--space-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.blog-article__content th {
  font-weight: 600;
  background: var(--color-bg-alt);
}

.blog-article__content strong {
  font-weight: 600;
  color: var(--color-text);
}

/* Blog Article CTA */
.blog-article__cta {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-lg);
  margin-top: var(--space-xl);
  text-align: center;
}

.blog-article__cta h3 {
  margin-bottom: var(--space-xs);
}

.blog-article__cta p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

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

  .blog-article__content pre {
    padding: var(--space-sm);
    font-size: 0.8125rem;
  }

  .blog-article__content table {
    font-size: 0.8125rem;
  }

  .blog-article__content th,
  .blog-article__content td {
    padding: var(--space-xs);
  }
}