*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #007f8b; --primary-light: #00b9c5; --primary-bg: #EFFEFE;
  --text-dark: #11271F; --text-mid: #374151; --text-soft: #6B7280;
  --bg-page: #F5FBFB; --bg-white: #ffffff; --border: #E5EBE9;
  --radius: 16px; --shadow: 0 4px 24px rgba(0, 127, 139,0.08);
  --green: #22c55e;
}
body { font-family: 'Inter', sans-serif; background: var(--bg-page); color: var(--text-dark); line-height: 1.6; }


.breadcrumb { padding: 14px 40px; font-size: 13px; color: var(--text-soft); background: var(--bg-white); border-bottom: 1px solid var(--border); }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb span { margin: 0 6px; }

/* HERO */
.hero { background: var(--bg-white); padding: 72px 40px 64px; }
.hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 50px;}
.hero-eyebrow { display: inline-block; color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 16px; }
.hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--primary); }
.hero p { font-size: 16px; color: var(--text-mid); line-height: 1.75; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary { background: var(--primary); color: #fff; padding: 14px 28px; border-radius: 50px; font-size: 15px; font-weight: 600; text-decoration: none; transition: background .2s, transform .15s; display: inline-block; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); padding: 13px 28px; border-radius: 50px; font-size: 15px; font-weight: 600; text-decoration: none; transition: all .2s; display: inline-block; }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* SERP Mockup */
.serp-mockup { background: var(--bg-page); border-radius: 20px; padding: 20px; }
.serp-bar { background: var(--bg-white); border-radius: 30px; padding: 10px 16px; font-size: 13px; color: var(--text-soft); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--border); }
.serp-bar span { background: var(--primary); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; font-weight: 700; }
.serp-result { background: var(--bg-white); border-radius: 12px; padding: 14px 16px; margin-bottom: 10px; border-left: 3px solid transparent; }
.serp-result.top { border-left-color: var(--primary); }
.serp-result .sr-url { font-size: 11px; color: var(--green); margin-bottom: 4px; font-weight: 600; }
.serp-result .sr-title { font-size: 15px; font-weight: 700; color: #00b9c5; margin-bottom: 4px; }
.serp-result.top .sr-title { color: var(--primary); }
.serp-result .sr-desc { font-size: 12px; color: var(--text-soft); line-height: 1.55; }
.serp-badge { display: inline-block; background: var(--primary); color: #fff; font-size: 10px; padding: 2px 8px; border-radius: 4px; font-weight: 700; margin-bottom: 6px; }

/* SECTIONS */
.section { padding: 72px 40px; max-width: 1200px; margin: 0 auto; }
.section-tag { color: var(--primary); font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; display: block; text-align: center; margin-bottom: 14px; }
.section-title { font-size: clamp(26px, 3vw, 38px); font-weight: 800; text-align: center; margin-bottom: 14px; }
.section-sub { text-align: center; color: var(--text-soft); font-size: 16px; max-width: 600px; margin: 0 auto 48px; line-height: 1.7; }

/* SEO PILLARS */
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar-card { background: var(--bg-white); border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow); transition: transform .2s; }
.pillar-card:hover { transform: translateY(-4px); }
.pillar-num { font-size: 48px; font-weight: 800; color: var(--primary-bg); line-height: 1; margin-bottom: 4px; }
.pillar-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.pillar-card p { font-size: 14px; color: var(--text-soft); line-height: 1.65; margin-bottom: 16px; }
.pillar-items { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.pillar-items li { font-size: 13px; color: var(--text-mid); display: flex; gap: 8px; }
.pillar-items li::before { content: '✓'; color: var(--primary); font-weight: 700; flex-shrink: 0; }

/* WHY SEO MATTERS */
.why-section { background: var(--bg-white); }
.why-inner { max-width: 1200px; margin: 0 auto; padding: 72px 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.why-text h2 { font-size: 28px; font-weight: 800; margin-bottom: 16px; }
.why-text p { color: var(--text-mid); font-size: 15px; line-height: 1.75; margin-bottom: 14px; }
.stats-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-box { background: var(--bg-page); border-radius: 14px; padding: 22px 18px; text-align: center; }
.stat-box .sn { font-size: 32px; font-weight: 800; color: var(--primary); }
.stat-box .sl { font-size: 12px; color: var(--text-soft); margin-top: 4px; line-height: 1.4; }

/* CHECKLIST */
.checklist-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.check-item { background: var(--bg-white); border-radius: 14px; padding: 22px 20px; display: flex; gap: 14px; align-items: flex-start; box-shadow: var(--shadow); }
.check-icon { width: 36px; height: 36px; background: var(--primary-bg); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 16px; }
.check-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.check-item p { font-size: 13px; color: var(--text-soft); line-height: 1.6; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: 12px; margin-bottom: 12px; overflow: hidden; box-shadow: var(--shadow); }
.faq-q { width: 100%; background: none; border: none; padding: 20px 24px; text-align: left; font-size: 16px; font-weight: 600; color: var(--text-dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: 'Inter', sans-serif; }
.faq-q span { color: var(--primary); font-size: 22px; transition: transform .2s; }
.faq-a { padding: 0 24px 20px; font-size: 14px; color: var(--text-soft); line-height: 1.7; display: none; }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q span { transform: rotate(45deg); }

/* CTA */
.cta-wrap { padding: 0 40px 72px; }
.cta-section { background: var(--primary); border-radius: 24px; padding: 64px 48px; text-align: center; max-width: 1120px; margin: 0 auto; }
.cta-section h2 { color: #fff; font-size: clamp(24px, 3vw, 36px); font-weight: 800; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: 32px; line-height: 1.65; }
.btn-white { background: #fff; color: var(--primary); padding: 14px 32px; border-radius: 50px; font-size: 15px; font-weight: 700; text-decoration: none; transition: opacity .2s; display: inline-block; }
.btn-white:hover { opacity: .9; }

footer { background: var(--text-dark); color: rgba(255,255,255,0.7); text-align: center; padding: 28px 40px; font-size: 13px; }
footer a { color: #00b9c5; text-decoration: none; }

@media (max-width: 900px) {
  .hero-inner, .why-inner, .checklist-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 24px; }
  nav { padding: 14px 24px; }
  .topbar { padding: 8px 24px; font-size: 12px; }
}
@media (max-width: 560px) {
  .nav-links { display: none; }
  .stats-list { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }