/* ===== RESET + VARS ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #090b10; --bg2: #0f1218; --bg3: #161b24;
  --accent: #7c6af7; --accent2: #a597fa;
  --green: #22c55e; --orange: #f59e0b;
  --text: #e2e8f0; --muted: #64748b;
  --radius: 10px; --nav-h: 64px;
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(9, 11, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bg3);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  height: 100%; padding: 0 24px;
  display: flex; align-items: center; gap: 32px;
}
.nav-logo {
  font-weight: 700; font-size: 17px; color: var(--text);
  text-decoration: none; white-space: nowrap;
}
.nav-logo:hover { text-decoration: none; color: var(--accent2); }
.nav-links {
  display: flex; align-items: center; gap: 24px;
  flex: 1;
}
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 6px 16px; border-radius: 6px; font-size: 14px !important;
}
.nav-cta:hover { background: var(--accent2); }
.lang-switcher {
  display: flex; gap: 4px; margin-left: auto;
}
.lang-switcher button {
  background: none; border: 1px solid var(--bg3);
  color: var(--muted); cursor: pointer;
  padding: 4px 10px; border-radius: 5px;
  font-size: 12px; font-family: inherit;
  transition: all 0.15s;
}
.lang-switcher button:hover { border-color: var(--accent); color: var(--text); }
.lang-switcher button.active { border-color: var(--accent); color: var(--accent2); }

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center;
  padding: 10px 22px; border-radius: var(--radius);
  font-weight: 600; font-size: 14px; cursor: pointer;
  transition: all 0.15s; text-decoration: none;
  border: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); text-decoration: none; color: #fff; }
.btn-outline { background: transparent; color: var(--accent2); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; text-decoration: none; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  padding: calc(var(--nav-h) + 80px) 24px 80px;
  text-align: center;
}
.hero-inner { max-width: 680px; margin: 0 auto; }
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700; line-height: 1.15;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 20px;
}
.hero-sub { font-size: 18px; color: var(--muted); margin-bottom: 32px; }
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== TOOLS GRID ===== */
.tools-section { padding: 80px 0; }
.section-title { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.section-sub { color: var(--muted); margin-bottom: 40px; font-size: 15px; }
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tool-card {
  background: var(--bg2);
  border: 1px solid var(--bg3);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
  display: flex; flex-direction: column; gap: 12px;
}
.tool-card:hover { border-color: var(--accent); }
.tool-card-top { display: flex; align-items: center; justify-content: space-between; }
.tool-icon { font-size: 28px; }
.tool-icon-lg { font-size: 48px; }
.tool-name { font-size: 18px; font-weight: 600; }
.tool-desc { color: var(--muted); font-size: 14px; flex: 1; }
.tool-btns { display: flex; gap: 8px; margin-top: 4px; }

/* ===== STATUS BADGES ===== */
.status-badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 20px; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.status-live { background: rgba(34, 197, 94, 0.15); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.status-beta { background: rgba(245, 158, 11, 0.15); color: var(--orange); border: 1px solid rgba(245,158,11,0.3); }
.status-soon { background: rgba(100, 116, 139, 0.15); color: var(--muted); border: 1px solid rgba(100,116,139,0.3); }
.status-oss { background: rgba(124, 106, 247, 0.15); color: var(--accent2); border: 1px solid rgba(124,106,247,0.3); }

/* ===== GUIDES STRIP ===== */
.guides-section { padding: 60px 0; }
.guides-strip { display: flex; flex-direction: column; gap: 12px; }
.guide-card {
  background: var(--bg2);
  border: 1px solid var(--bg3);
  border-radius: var(--radius);
  padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  transition: border-color 0.2s;
}
.guide-card:hover { border-color: var(--accent); }
.guide-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.guide-meta { color: var(--muted); font-size: 12px; }

/* ===== SANDBOX TEASER ===== */
.sandbox-teaser {
  background: var(--bg2);
  border-top: 1px solid var(--bg3);
  border-bottom: 1px solid var(--bg3);
  padding: 80px 24px;
  text-align: center;
}
.sandbox-teaser-inner h2 { font-size: 28px; margin-bottom: 12px; }
.sandbox-teaser-inner p { color: var(--muted); margin-bottom: 28px; }

/* ===== FOOTER ===== */
.footer {
  padding: 32px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--bg3);
}

/* ===== DEMO PAGE ===== */
main { padding-top: var(--nav-h); }
.demo-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--bg3);
}
.demo-hero-inner {
  display: flex; gap: 32px; align-items: flex-start;
}
.demo-hero-text h1 { font-size: 32px; font-weight: 700; margin: 12px 0 8px; }
.demo-hero-text p { color: var(--muted); margin-bottom: 20px; max-width: 600px; }
.demo-badges { display: flex; gap: 8px; }
.how-it-works { padding: 60px 0; }
.how-it-works h2 { font-size: 22px; font-weight: 700; margin-bottom: 28px; }
.steps { display: flex; gap: 20px; }
.step {
  flex: 1; background: var(--bg2);
  border: 1px solid var(--bg3);
  border-radius: var(--radius);
  padding: 20px;
}
.step-num {
  display: inline-flex; width: 32px; height: 32px;
  background: var(--accent); color: #fff;
  border-radius: 50%; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; margin-bottom: 12px;
}
.step p { color: var(--muted); font-size: 14px; }
.demo-area { padding: 40px 0; }
.demo-area h2 { font-size: 22px; font-weight: 700; margin-bottom: 20px; }
.coming-soon-box, .demo-placeholder {
  background: var(--bg2); border: 1px solid var(--bg3);
  border-radius: var(--radius); padding: 40px;
  text-align: center; color: var(--muted);
}
.coming-soon-icon { font-size: 40px; display: block; margin-bottom: 12px; }
.guide-link-section { padding: 20px 0 60px; }

/* ===== GUIDE PAGE ===== */
.guide-page { padding: 40px 0 80px; }
.guide-container { max-width: 760px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 13px; margin-bottom: 32px;
}
.breadcrumb span { color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent2); }
.guide-content {
  line-height: 1.8;
}
.guide-content h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.guide-content h2 { font-size: 20px; font-weight: 600; margin: 32px 0 12px; color: var(--text); }
.guide-content h3 { font-size: 17px; font-weight: 600; margin: 24px 0 8px; color: var(--accent2); }
.guide-content p { color: var(--muted); margin-bottom: 16px; }
.guide-content strong { color: var(--text); }
.guide-content ul, .guide-content ol { padding-left: 20px; color: var(--muted); margin-bottom: 16px; }
.guide-content li { margin-bottom: 6px; }
.guide-footer { margin-top: 48px; display: flex; gap: 12px; }

/* ===== SANDBOX PAGE ===== */
.sandbox-page { padding: 40px 0 80px; }
.sandbox-container { max-width: 560px; }
.sandbox-header { margin-bottom: 36px; }
.sandbox-header h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.sandbox-header p { color: var(--muted); }
.sandbox-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-group input, .form-group textarea {
  background: var(--bg2);
  border: 1px solid var(--bg3);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  font-family: inherit; font-size: 14px;
  outline: none; transition: border-color 0.15s;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
}
.form-group input::placeholder, .form-group textarea::placeholder {
  color: var(--muted);
}
.checkboxes { display: flex; flex-direction: column; gap: 10px; }
.checkbox-label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 14px; color: var(--muted);
  padding: 10px 14px;
  background: var(--bg2); border: 1px solid var(--bg3);
  border-radius: 7px; transition: border-color 0.15s;
}
.checkbox-label:hover { border-color: var(--accent); }
.checkbox-label input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }

/* SUCCESS STATE */
.success-state {
  text-align: center; padding: 80px 24px;
}
.success-icon { font-size: 56px; margin-bottom: 24px; display: block; }
.success-state h2 { font-size: 24px; font-weight: 700; color: var(--green); margin-bottom: 24px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .tools-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .nav-links { display: none; }
  .demo-hero-inner { flex-direction: column; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .guide-footer { flex-direction: column; }
}

@media (max-width: 768px) {
  nav { padding: 12px 16px; flex-wrap: wrap; gap: 8px; }
  nav .nav-links { gap: 12px; font-size: 13px; }
  .hero { padding: 60px 20px 40px; }
  .hero h1 { font-size: clamp(28px, 8vw, 48px); }
  .hero p { font-size: 16px; }
  .tools-grid { grid-template-columns: 1fr; gap: 16px; }
  .tool-card { padding: 20px; }
  .guides-strip { grid-template-columns: 1fr; }
  .sandbox-form { padding: 24px 16px; }
  .lang-switcher { font-size: 12px; }
  section { padding: 40px 16px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .btn { width: 100%; text-align: center; padding: 12px 16px; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .tool-card .card-actions { flex-direction: column; gap: 8px; }
}