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

body { font-family: "Segoe UI", system-ui, -apple-system, sans-serif; color: #1a1a2e; background: #fff; line-height: 1.6; }

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

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 32px; }

/* NAV */
nav { position: sticky; top: 0; background: rgba(15,23,42,0.97); backdrop-filter: blur(8px); z-index: 100; padding: 16px 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { color: #fff; font-weight: 800; font-size: 20px; text-decoration: none; }
.logo span { color: #f97316; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: #94a3b8; text-decoration: none; font-size: 15px; transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.btn-nav { background: #f97316; color: #fff !important; padding: 8px 20px; border-radius: 6px; font-weight: 600; }

/* HERO */
.hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%); color: #fff; padding: 100px 24px 80px; text-align: center; }
.badge { display: inline-block; background: rgba(249,115,22,0.2); color: #fb923c; border: 1px solid rgba(249,115,22,0.4); font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 20px; margin-bottom: 28px; }
.hero h1 { font-size: clamp(30px, 5vw, 54px); font-weight: 800; margin-bottom: 20px; line-height: 1.15; }
.hero .subtitle { font-size: 18px; opacity: 0.8; max-width: 640px; margin: 0 auto 36px; }
.btn { display: inline-block; background: #f97316; color: #fff; padding: 14px 32px; border-radius: 8px; font-weight: 700; font-size: 16px; text-decoration: none; border: none; cursor: pointer; transition: background 0.2s, transform 0.1s; }
.btn:hover { background: #ea6c0a; transform: translateY(-1px); }
.cta-note { font-size: 13px; opacity: 0.5; margin-top: 12px; }

/* CARDS */
.card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 14px; padding: 32px; position: relative; }
.card .icon { font-size: 36px; display: block; margin-bottom: 16px; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: #0f172a; }
.card p { font-size: 15px; color: #475569; }
.card ul { list-style: none; margin: 12px 0; }
.card ul li { font-size: 14px; color: #475569; padding: 4px 0; padding-left: 20px; position: relative; }
.card ul li::before { content: "✓"; position: absolute; left: 0; color: #22c55e; font-weight: 700; }
.card.highlight { border-color: #f97316; background: #fff7ed; }
.popular { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: #f97316; color: #fff; font-size: 11px; font-weight: 700; padding: 4px 14px; border-radius: 20px; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.5px; }
.price { font-size: 26px; font-weight: 800; color: #f97316; margin: 12px 0 4px; }
.price small { font-size: 16px; font-weight: 400; }
.time { font-size: 13px; color: #64748b; margin: 12px 0 4px; }
.tag { font-size: 13px; color: #64748b; font-style: italic; margin-bottom: 16px; }
.card .btn { width: 100%; text-align: center; margin-top: 8px; }

/* SECTIONS */
section { padding: 72px 0; }
section h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; text-align: center; }
.section-sub { text-align: center; color: #64748b; font-size: 17px; margin-top: 10px; max-width: 560px; margin-left: auto; margin-right: auto; }
.problems { background: #f8fafc; border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; }
.services { background: #f1f5f9; }

/* PROCESS */
.process { background: #0f172a; color: #fff; }
.process h2 { color: #fff; }
.process .section-sub { color: #94a3b8; }
.steps { display: flex; align-items: flex-start; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.step { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 24px; max-width: 200px; text-align: center; flex: 1; min-width: 160px; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: #f97316; color: #fff; border-radius: 50%; font-weight: 800; font-size: 16px; margin-bottom: 12px; }
.step h4 { color: #fff; font-size: 15px; margin-bottom: 8px; }
.step p { color: #94a3b8; font-size: 13px; }
.step-arrow { color: #f97316; font-size: 24px; padding-top: 40px; }

/* FAQ */
.faq { background: #fff; }
.faq-list { max-width: 720px; margin: 32px auto 0; display: flex; flex-direction: column; gap: 12px; }
details { border: 1px solid #e2e8f0; border-radius: 10px; padding: 0; overflow: hidden; }
summary { padding: 18px 20px; font-weight: 600; font-size: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::after { content: "+"; font-size: 20px; color: #f97316; }
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 18px; color: #475569; font-size: 15px; line-height: 1.7; }

/* ABOUT */
.about { background: #f8fafc; }
.about p { max-width: 720px; margin: 24px auto 0; font-size: 17px; line-height: 1.9; color: #334155; text-align: center; }

/* CONTACT */
.contact { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%); color: #fff; text-align: center; }
.contact h2 { color: #fff; }
.contact > .container > p { color: #94a3b8; margin: 12px 0 32px; font-size: 17px; }
.contact .btn { margin-top: 8px; }

/* FOOTER */
footer { background: #020617; color: #475569; text-align: center; padding: 28px; font-size: 13px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding-top: 0; }
  .hero { padding: 72px 24px 60px; }
}