*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #22c55e;
  --green-dark: #16a34a;
  --green-light: #dcfce7;
  --dark: #0f172a;
  --dark2: #1e293b;
  --gray: #64748b;
  --light: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);

  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --nav-bg: rgba(255,255,255,0.92);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}

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

/* ── NAVBAR ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--green); }

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-alt); }

.btn-nav {
  background: var(--green) !important;
  color: #fff !important;
  border-radius: 10px !important;
  padding: 8px 20px !important;
}
.btn-nav:hover { background: var(--green-dark) !important; }


.burger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
}

/* ── HERO ── */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, #bbf7d0 0%, transparent 70%);
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid #bbf7d0;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--dark);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--green); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px 40px;
  box-shadow: var(--shadow);
}
.stat { text-align: center; padding: 0 32px; }
.stat strong { display: block; font-size: 2rem; font-weight: 800; color: var(--text); }
.stat span { font-size: 0.85rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(34,197,94,0.3);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(34,197,94,0.4);
}
.btn-primary.full-width { width: 100%; text-align: center; }

.btn-ghost {
  display: inline-block;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  transition: background 0.2s;
}
.btn-ghost:hover { background: var(--border); }

/* ── SECTION HEADER ── */
.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 10px;
  color: var(--text);
}
.section-header p { color: var(--text-muted); font-size: 1.05rem; }

/* ── PROBLEM ── */
.problem { padding: 48px 0; }
.problem-card {
  background: #fef9c3;
  border: 1px solid #fef08a;
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.problem-icon { font-size: 1.8rem; flex-shrink: 0; }
.problem-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: #78350f; }
.problem-card p { color: #92400e; line-height: 1.65; }
.problem-card strong { color: #7c2d12; }

/* ── HOW ── */
.how { padding: 80px 0; background: var(--bg-alt); }
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.step {
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  text-align: center;
  padding: 24px 16px;
}
.step-num {
  width: 52px;
  height: 52px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(34,197,94,0.3);
}
.step h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.step p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.55; }
.step-arrow { align-self: center; font-size: 1.5rem; color: var(--green); padding: 0 4px; margin-top: -24px; }

/* ── WHY ── */
.why { padding: 80px 0; background: var(--bg); }
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.feature-card:hover .feature-icon { background: var(--green); }
.feature-card:hover .feature-icon svg { stroke: #fff; }
.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--green-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: background 0.25s;
}
.feature-icon svg { stroke: var(--green); transition: stroke 0.25s; }
.feature-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* ── PRICE ── */
.price { padding: 80px 0; background: var(--bg-alt); }
.plans {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  flex: 1;
  min-width: 240px;
  max-width: 320px;
  position: relative;
}
.plan-featured {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.15), var(--shadow-lg);
}
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.plan-header { margin-bottom: 24px; }
.plan-header h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.plan-size {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.plan-price-wrap { display: flex; align-items: flex-start; gap: 2px; margin-bottom: 4px; }
.plan-amount { font-size: 3rem; font-weight: 800; color: var(--text); line-height: 1; }
.plan-cents { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-top: 6px; }
.plan-once { font-size: 0.8rem; color: var(--text-muted); }
.plan-features {
  list-style: none;
  margin-bottom: 28px;
}
.plan-features li {
  font-size: 0.92rem;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.plan-features li:last-child { border: none; }
.price-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 28px;
}

/* ── FAQ ── */
.faq { padding: 80px 0; background: var(--bg); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--green); }
.faq-icon { font-size: 1.3rem; color: var(--green); flex-shrink: 0; transition: transform 0.3s; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-a.open { max-height: 200px; }
.faq-a p { padding-bottom: 20px; color: var(--text-muted); line-height: 1.7; }

/* ── CONTACT ── */
.contact { padding: 80px 0; background: var(--dark2); }
.contact-header h2 { color: #f1f5f9; }
.contact-header p { color: #94a3b8; }

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 580px;
  margin: 0 auto;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.contact-card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.25); }
.contact-card--tg  { background: #1d6fa4; border-color: #2389c8; }
.contact-card--wa  { background: #1a7c3e; border-color: #25a855; }
.contact-card--email { background: #1e293b; border-color: #334155; }

.contact-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.contact-card-icon svg { stroke: #fff; }
.contact-card--tg .contact-card-icon svg,
.contact-card--wa .contact-card-icon svg { stroke: none; fill: #fff; }

.contact-card-body { flex: 1; }
.contact-card-label { font-size: 0.78rem; font-weight: 600; color: rgba(255,255,255,0.6); margin-bottom: 2px; }
.contact-card-value { font-size: 1.05rem; font-weight: 700; color: #fff; }
.contact-card-note { font-size: 0.78rem; color: rgba(255,255,255,0.55); margin-top: 2px; }
.contact-card-arrow { font-size: 1.2rem; color: rgba(255,255,255,0.4); transition: transform 0.18s; }
.contact-card:hover .contact-card-arrow { transform: translateX(4px); color: rgba(255,255,255,0.8); }

/* ── BLOG ── */
.blog { padding: 80px 0; background: var(--bg-alt); }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  width: fit-content;
}
.blog-card h3 { font-size: 1rem; font-weight: 700; line-height: 1.45; }
.blog-card h3 a { color: var(--text); text-decoration: none; }
.blog-card h3 a:hover { color: var(--green); }
.blog-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; flex: 1; }
.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.blog-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--green);
  text-decoration: none;
  transition: gap 0.2s;
}
.blog-link:hover { color: var(--green-dark); }

/* ── ARTICLE PAGE ── */
.article-hero { padding: 64px 0 40px; background: var(--bg); }
.article-back { display: inline-flex; align-items: center; gap: 6px; color: var(--text-muted); text-decoration: none; font-size: 0.9rem; margin-bottom: 24px; transition: color 0.2s; }
.article-back:hover { color: var(--green); }
.article-tag { display: inline-block; background: var(--green-light); color: var(--green-dark); font-size: 0.78rem; font-weight: 700; padding: 4px 14px; border-radius: 100px; margin-bottom: 16px; }
.article-hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.8px; line-height: 1.2; color: var(--text); margin-bottom: 16px; }
.article-meta { display: flex; gap: 20px; font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }
.article-body { padding: 48px 0 80px; background: var(--bg); }
.article-content { max-width: 720px; margin: 0 auto; }
.article-content h2 { font-size: 1.4rem; font-weight: 800; margin: 36px 0 12px; color: var(--text); letter-spacing: -0.4px; }
.article-content h3 { font-size: 1.1rem; font-weight: 700; margin: 28px 0 10px; color: var(--text); }
.article-content p { color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 16px; }
.article-content li { color: var(--text-muted); line-height: 1.8; margin-bottom: 6px; }
.article-content strong { color: var(--text); font-weight: 700; }
.article-content .callout { background: var(--green-light); border-left: 4px solid var(--green); border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 24px 0; }
.article-content .callout p { color: var(--green-dark); margin: 0; }
.article-cta { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; text-align: center; margin-top: 48px; }
.article-cta h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.article-cta p { color: var(--text-muted); margin-bottom: 20px; }

/* ── FOOTER ── */
.footer { padding: 28px 0; background: var(--dark2); border-top: 1px solid #1e293b; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer p { font-size: 0.85rem; color: #475569; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--nav-bg); backdrop-filter: blur(12px); padding: 16px; border-bottom: 1px solid var(--border); gap: 4px; }
  .nav-links.open { display: flex; }
  .burger { display: block; }
  .navbar { position: relative; }

  .hero { padding: 60px 0 52px; }
  .hero-stats { flex-direction: column; gap: 12px; padding: 20px 24px; }
  .stat-divider { width: 80px; height: 1px; }

  .steps { flex-direction: column; align-items: center; gap: 8px; }
  .step-arrow { transform: rotate(90deg); margin: 0; }

  .contact-cards { max-width: 100%; }
}

@media (max-width: 480px) {
  .problem-card { flex-direction: column; }
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-inner { flex-direction: column; text-align: center; }
}