/* ==========================================================================
   EasyOnlineWork — shared design system
   ========================================================================== */

:root {
  --color-bg: #fbf9f6;
  --color-surface: #ffffff;
  --color-surface-alt: #f3efe8;
  --color-border: #e7e1d6;
  --color-text: #2a2620;
  --color-text-muted: #6b6558;
  --color-primary: #1f6f5c;
  --color-primary-dark: #16513f;
  --color-primary-light: #e4f2ee;
  --color-accent: #e07a3f;
  --color-accent-dark: #c45f27;
  --color-accent-light: #fdece0;
  --color-writing: #7c5cbf;
  --color-design: #e0577f;
  --color-video: #2b8fd6;
  --color-tech: #1f6f5c;
  --color-marketing: #e07a3f;
  --color-support: #b08a2e;
  --color-proglang: #0e7c86;
  --color-robotics: #3d5a80;
  --color-softeng: #4338a8;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(38, 32, 20, 0.06);
  --shadow-md: 0 8px 24px rgba(38, 32, 20, 0.08);
  --shadow-lg: 0 20px 45px rgba(38, 32, 20, 0.12);
  --max-width: 1120px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: #1c1a15;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none !important;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}
.btn-secondary:hover { background: var(--color-primary-light); transform: translateY(-1px); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 249, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.96rem;
}
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 780px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 52ch;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat strong { display: block; font-size: 1.6rem; font-family: var(--font-display); color: var(--color-primary-dark); }
.hero-stat span { font-size: 0.85rem; color: var(--color-text-muted); }

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.hero-card ul { margin: 0; padding: 0; list-style: none; }
.hero-card li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-border);
}
.hero-card li:last-child { border-bottom: none; }
.hero-card .step-num {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Sections ---------- */
section { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head p { color: var(--color-text-muted); }
.section-alt { background: var(--color-surface-alt); }

.grid {
  display: grid;
  gap: 22px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
  background: var(--color-primary-light);
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 0; }

/* Category color chips reused across skill cards & tags */
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.tag-writing { background: #f1ecfa; color: var(--color-writing); }
.tag-design { background: #fbe8ee; color: var(--color-design); }
.tag-video { background: #e7f2fb; color: var(--color-video); }
.tag-tech { background: var(--color-primary-light); color: var(--color-tech); }
.tag-marketing { background: var(--color-accent-light); color: var(--color-marketing); }
.tag-support { background: #f7efdc; color: var(--color-support); }
.tag-proglang { background: #e3f6f7; color: var(--color-proglang); }
.tag-robotics { background: #e8eef5; color: var(--color-robotics); }
.tag-softeng { background: #ebe9fb; color: var(--color-softeng); }

/* ---------- Skill directory ---------- */
.skill-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text);
}
.filter-btn.active, .filter-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.skill-card { scroll-margin-top: 90px; }
.skill-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.skill-meta { display: flex; gap: 18px; flex-wrap: wrap; margin: 14px 0 18px; font-size: 0.85rem; color: var(--color-text-muted); }
.skill-meta span { display: flex; align-items: center; gap: 6px; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 4px 0 20px 44px;
  border-left: 2px solid var(--color-border);
  margin-left: 14px;
}
.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: -15px;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.steps h4 { margin-bottom: 4px; font-family: var(--font-body); font-size: 1rem; }
.steps p { color: var(--color-text-muted); font-size: 0.94rem; margin-bottom: 6px; }

.resource-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.resource-pill {
  font-size: 0.78rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--color-text-muted);
}

.platform-box {
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-top: 18px;
  font-size: 0.92rem;
}
.platform-box strong { color: var(--color-primary-dark); }

/* ---------- Quiz ---------- */
.quiz-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 620px) { .quiz-wrap { padding: 26px 20px; } }

.quiz-progress-track {
  height: 8px;
  background: var(--color-surface-alt);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}
.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  width: 0%;
  transition: width 0.3s ease;
}
.quiz-progress-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  display: block;
}

.quiz-question { font-size: 1.4rem; margin-bottom: 22px; }
.quiz-options { display: flex; flex-direction: column; gap: 12px; margin-bottom: 8px; }
.quiz-option {
  text-align: left;
  padding: 16px 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 1rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  color: var(--color-text);
}
.quiz-option:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.quiz-option.selected { border-color: var(--color-accent); background: var(--color-accent-light); }

.quiz-nav { display: flex; justify-content: space-between; margin-top: 28px; }

.quiz-intro { text-align: center; }
.quiz-intro .btn { margin-top: 20px; }

.quiz-results { text-align: center; }
.result-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-primary-light);
  font-size: 2rem;
  margin-bottom: 18px;
}
.result-title { font-size: 1.9rem; margin-bottom: 6px; }
.result-sub { color: var(--color-text-muted); margin-bottom: 28px; }
.result-runner-ups {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 24px 0;
}
.runner-up {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  min-width: 150px;
}
.runner-up strong { display: block; margin-bottom: 4px; }
.result-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 10px; }

/* ---------- Blog ---------- */
.post-card { display: flex; flex-direction: column; height: 100%; }
.post-card .tag { align-self: flex-start; }
.post-meta { font-size: 0.82rem; color: var(--color-text-muted); margin-bottom: 10px; }
.post-card h3 a { color: inherit; }
.post-card h3 a:hover { color: var(--color-primary); text-decoration: none; }

.post-hero {
  padding: 48px 0 20px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}
.post-hero .post-meta { margin-bottom: 18px; }
.post-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.post-body h2 { margin-top: 2em; }
.post-body h3 { margin-top: 1.6em; }
.post-body ul, .post-body ol { padding-left: 1.3em; }
.post-body li { margin-bottom: 0.5em; }
.post-body blockquote {
  border-left: 4px solid var(--color-accent);
  margin: 1.8em 0;
  padding: 4px 20px;
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.callout {
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 2em 0;
}
.callout strong { color: var(--color-primary-dark); }
.post-footer-nav {
  max-width: 720px;
  margin: 48px auto 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 52ch; margin: 0 auto 24px; }
.cta-band .btn-secondary { color: #fff; border-color: rgba(255,255,255,0.6); }
.cta-band .btn-secondary:hover { background: rgba(255,255,255,0.12); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 28px;
  margin-top: 40px;
  background: var(--color-surface-alt);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-body); color: var(--color-text-muted); margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-grid a { color: var(--color-text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

/* ---------- TL;DR / quick-answer box ---------- */
.tldr {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  margin: 24px 0 32px;
  font-size: 1.02rem;
}
.tldr strong { color: var(--color-accent-dark); }

/* ---------- FAQ accordion ---------- */
.faq-section { margin-top: 3em; }
.faq-section h2 { margin-bottom: 0.6em; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 20px;
  margin-bottom: 12px;
  background: var(--color-surface);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 14px 28px 14px 0;
  position: relative;
  list-style: none;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 12px;
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 400;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { color: var(--color-text-muted); padding-bottom: 16px; margin: 0; }

/* ---------- Utility ---------- */
.hidden { display: none !important; }

/* ---------- Misc ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--color-text-muted); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.small-note { font-size: 0.82rem; color: var(--color-text-muted); }