:root {
    --bg-primary: #07090E;
    --bg-secondary: #0D111A;
    --bg-tertiary: #131926;
    --bg-surface: #101622;
    --bg-surface-elevated: #182030;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --primary-default: #6366F1;
    --primary-hover: #4F46E5;
    --primary-active: #4338CA;
    --primary-subtle: rgba(99, 102, 241, 0.12);
    --primary-glow: rgba(99, 102, 241, 0.35);
    --secondary-default: #06B6D4;
    --secondary-hover: #0891B2;
    --secondary-active: #0E7490;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-default: rgba(255, 255, 255, 0.12);
    --border-highlight: rgba(99, 102, 241, 0.4);
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: #07090E;
    color: #F8FAFC;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

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

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

.bg-dark-primary {
    background-color: #07090E;
}

.text-muted {
    color: #94A3B8 !important;
}

::selection {
    background: #6366F1;
    color: #FFFFFF;
}

/* ===== header ===== */
.ek-header-nav {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-header-nav a {
    text-decoration: none;
}

.ek-header-nav .js-mobile-menu {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== hero_section ===== */
.ek-hero-section {
    background-color: #07090E;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-hero-section .ek-hero-grid-overlay {
    background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
}

.ek-hero-section .ek-hero-card {
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.ek-hero-section .ek-hero-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px 0 rgba(99, 102, 241, 0.15);
}

.ek-hero-section video {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* ===== our_services ===== */
.services-grid-section {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.services-grid-section .services-grid-section__card {
    backdrop-filter: blur(16px) saturate(180%);
}

.services-grid-section .services-grid-section__card:hover {
    box-shadow: 0 0 25px -5px rgba(99, 102, 241, 0.25), 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.services-grid-section .services-grid-section__btn {
    box-sizing: border-box;
}

.services-grid-section .services-grid-section__btn:hover {
    box-shadow: 0 0 20px -3px rgba(99, 102, 241, 0.45);
}

/* ===== quick_application ===== */
.ek-quick-app {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-quick-app .ek-quick-app__ambient {
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 60%), radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 45%);
}

.ek-quick-app .ek-quick-app__panel {
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.ek-quick-app .ek-quick-app__input::placeholder {
    color: #64748B;
    opacity: 1;
}

.ek-quick-app .ek-quick-app__input:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.ek-quick-app .ek-quick-app__btn:hover {
    transform: translateY(-2px);
}

.ek-quick-app .ek-quick-app__btn:active {
    transform: translateY(0);
}

/* ===== common_niche_mistakes ===== */
.common-mistakes-block .mistakes-ambient-glow {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(6, 182, 212, 0.04) 40%, transparent 70%);
    filter: blur(40px);
}

.common-mistakes-block .js-mistake-filter {
    background-color: #101622;
    color: #94A3B8;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.common-mistakes-block .js-mistake-filter:hover {
    color: #F8FAFC;
    border-color: rgba(99, 102, 241, 0.4);
    background-color: #182030;
}

.common-mistakes-block .js-mistake-filter.active-filter {
    background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
    color: #FFFFFF;
    border-color: #6366F1;
    box-shadow: 0 0 15px -3px rgba(99, 102, 241, 0.4);
}

.common-mistakes-block .js-mistake-card {
    will-change: transform;
}

/* ===== beginners_dictionary ===== */
.ek-dictionary {
    position: relative;
}

.ek-dictionary .js-dict-card {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ek-dictionary .js-dict-card.is-hidden {
    display: none;
}

.ek-dictionary .js-dict-filter.active {
    background-color: #6366F1;
    border-color: #6366F1;
    color: #FFFFFF;
}

/* ===== recent_projects ===== */
.ek-portfolio-grid {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-portfolio-grid .js-filter-btn.is-active {
    background-color: #6366F1;
    color: #FFFFFF;
    border-color: #6366F1;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.35);
}

.ek-portfolio-grid .js-portfolio-item.is-hidden {
    display: none;
}

/* ===== latest_insights ===== */
.ek-blog-section .ek-blog-card {
    backdrop-filter: blur(16px);
}

.ek-blog-section .js-filter-btn.active-filter {
    background-color: #6366F1;
    color: #FFFFFF;
    border-color: #6366F1;
}

/* ===== footer ===== */
.site-footer-block {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #07090E;
}

.site-footer-block .site-footer-block__link {
    position: relative;
    transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-footer-block .site-footer-block__link:hover {
    transform: translateX(3px);
}

/* ===== PAGE: services ===== */
.services-showcase-section { word-break: break-word; } .services-showcase-section input::placeholder, .services-showcase-section textarea::placeholder { color: #64748B; opacity: 1; } .services-showcase-section .service-card { backdrop-filter: blur(16px); }

/* ===== PAGE: portfolio ===== */
.portfolio-showcase-section { word-break: break-word; }
.portfolio-showcase-section .js-portfolio-item { transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease; }
.portfolio-showcase-section .js-portfolio-item:hover { transform: translateY(-4px); }
.portfolio-showcase-section .js-portfolio-item.is-hidden { display: none !important; }
.portfolio-showcase-section .js-filter-btn.active { background-color: #6366F1 !important; color: #FFFFFF !important; border-color: #6366F1 !important; box-shadow: 0 0 20px -3px rgba(99, 102, 241, 0.45) !important; }

/* ===== PAGE: blog ===== */
.blog-section input::placeholder {
  color: #64748B;
  opacity: 1;
}
.blog-section .line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== PAGE: contact ===== */
.contact-page-block input::placeholder, .contact-page-block textarea::placeholder { color: #64748B; opacity: 1; }
.contact-page-block select:invalid { color: #64748B; }
.contact-page-block select option { background-color: #131926; color: #F8FAFC; }
.contact-page-block input:focus, .contact-page-block textarea:focus, .contact-page-block select:focus { box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25); }

/* ===== PAGE: privacy ===== */
.privacy-policy-section .js-policy-item { scroll-margin-top: 100px; }
.privacy-policy-section .privacy-nav .active-nav { background: rgba(99, 102, 241, 0.15); color: #F8FAFC; border: 1px solid rgba(99, 102, 241, 0.3); }

/* ===== PAGE: terms ===== */
.terms-content-section input::placeholder { color: #64748B; opacity: 1; } .terms-content-section .js-toc-link.is-active { background-color: rgba(99, 102, 241, 0.15); color: #F8FAFC; font-weight: 600; border-left: 2px solid #38BDF8; } .terms-content-section .js-terms-card { scroll-margin-top: 2rem; }

/* ===== PAGE: disclaimer ===== */
.disclaimer-page-section { box-sizing: border-box; } .disclaimer-page-section * { box-sizing: border-box; }

.tech-comment-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(16, 22, 34, 0.7) 100%);
}

.tech-avatar {
    width: 2.75rem;
    height: 2.75rem;
    object-fit: cover;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: 0.05em;
}

.comment-action-btn {
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.comment-action-btn:active {
    transform: scale(0.96);
}

.tech-reply-card {
    position: relative;
}

.reply-thread-line::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    left: 0;
    width: 1.25rem;
    height: 1px;
    background: rgba(99, 102, 241, 0.4);
    border-radius: 9999px;
}

.tech-reply-card .tech-avatar {
    width: 2.25rem;
    height: 2.25rem;
    object-fit: cover;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    font-family: 'Plus Jakarta Sans', sans-serif;
}


/* ===== PAGE TEMPLATE: services ===== */
.ek-header-nav {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-header-nav a {
    text-decoration: none;
}

.ek-header-nav .js-mobile-menu {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ek-service-detail-page {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-service-detail-page .ek-rich-content h2,
.ek-service-detail-page .ek-rich-content h3 {
    color: #F8FAFC;
}

.site-footer-block {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #07090E;
}

.site-footer-block .site-footer-block__link {
    position: relative;
    transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-footer-block .site-footer-block__link:hover {
    transform: translateX(3px);
}

/* ===== PAGE TEMPLATE: portfolio ===== */
.ek-header-nav {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-header-nav a {
    text-decoration: none;
}

.ek-header-nav .js-mobile-menu {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ek-portfolio-detail .ek-detail-grid-overlay {
    background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
}

.ek-portfolio-detail .ek-rich-content h1,
.ek-portfolio-detail .ek-rich-content h2,
.ek-portfolio-detail .ek-rich-content h3,
.ek-portfolio-detail .ek-rich-content h4,
.ek-portfolio-detail .ek-rich-content h5 {
    color: #F8FAFC;
    font-weight: 700;
}

.ek-portfolio-detail .ek-rich-content p {
    line-height: 1.65;
}

.site-footer-block {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #07090E;
}

.site-footer-block .site-footer-block__link {
    position: relative;
    transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-footer-block .site-footer-block__link:hover {
    transform: translateX(3px);
}

/* ===== PAGE TEMPLATE: blog ===== */
.ek-header-nav {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ek-header-nav a {
    text-decoration: none;
}

.ek-header-nav .js-mobile-menu {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer-block {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #07090E;
}

.site-footer-block .site-footer-block__link {
    position: relative;
    transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-footer-block .site-footer-block__link:hover {
    transform: translateX(3px);
}

.ek-blog-hero .ek-hero-grid-overlay {
    background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
}

.ek-article-content .ek-post-body h1,
.ek-article-content .ek-post-body h2,
.ek-article-content .ek-post-body h3,
.ek-article-content .ek-post-body h4 {
    color: #F8FAFC;
    font-weight: 700;
}

.ek-article-content .ek-post-body h2 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.ek-article-content .ek-post-body p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #94A3B8;
}

.ek-article-content .ek-post-body ul {
    list-style: disc;
    margin-left: 1.25rem;
    margin-bottom: 1rem;
    color: #94A3B8;
}

.ek-article-content .ek-post-body li {
    margin-bottom: 0.5rem;
}

.ek-article-content .ek-post-body strong {
    color: #F8FAFC;
}