/* ============================================
   Doctor Device - simple landing page styles
   ============================================ */

:root {
  --bg: #0a0f1f;
  --bg-alt: #0e1528;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(0, 191, 255, 0.18);
  --blue: #00bfff;
  --cyan: #00ffff;
  --text: #e5ebf5;
  --muted: #8a99b3;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1120px, 92%); margin-inline: auto; }
.narrow { width: min(720px, 92%); }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 15, 31, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.logo { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; }
.logo span { color: var(--blue); }

.nav { display: flex; gap: 24px; }
.nav a { color: var(--muted); font-size: 0.92rem; transition: color 0.2s; }
.nav a:hover { color: var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #04101c;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 22px rgba(0, 191, 255, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 191, 255, 0.5); }

.btn-small { padding: 9px 20px; font-size: 0.9rem; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-outline:hover { border-color: var(--blue); box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 110px 0 90px;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(0, 191, 255, 0.18), transparent 70%),
    radial-gradient(ellipse 50% 50% at 85% 60%, rgba(124, 58, 237, 0.14), transparent 70%);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 20px;
  padding: 5px 16px;
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 600;
}

.hero h1 {
  max-width: 860px;
  margin: 0 auto;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead { margin: 20px auto 0; max-width: 520px; color: var(--muted); font-size: 1.15rem; }

.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }

.hero-points {
  display: flex;
  gap: 12px 28px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-points li::before { content: "✓ "; color: var(--cyan); font-weight: 700; }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }

h2 {
  text-align: center;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-sub { text-align: center; color: var(--muted); margin-top: 10px; }

/* ---------- Grids and cards ---------- */
.grid { display: grid; gap: 20px; margin-top: 44px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  padding: 26px 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 191, 255, 0.5);
  box-shadow: 0 12px 40px rgba(0, 191, 255, 0.15);
}

.card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 0.9rem; }

/* Steps */
.step { text-align: center; padding: 10px; }
.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
}
.step h3 { font-size: 1.02rem; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.9rem; }

/* Area chips */
.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 36px; }
.chips li {
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--card);
  font-weight: 600;
  transition: border-color 0.2s, color 0.2s;
}
.chips li:hover { border-color: var(--blue); color: var(--cyan); }

/* Pricing */
.price { text-align: center; }
.price .from { margin-top: 12px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.price .amount {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.price.featured {
  border-color: var(--blue);
  background: rgba(0, 191, 255, 0.08);
  box-shadow: 0 0 40px rgba(0, 191, 255, 0.18);
}

/* Reviews */
blockquote.card { display: flex; flex-direction: column; gap: 12px; }
.stars { color: #f5b301 !important; letter-spacing: 3px; }
cite { margin-top: auto; color: var(--text); font-size: 0.85rem; font-style: normal; font-weight: 600; }

/* FAQ */
details {
  margin-top: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}
details:first-of-type { margin-top: 40px; }
summary { padding: 16px 20px; font-weight: 600; cursor: pointer; }
summary:hover { color: var(--cyan); }
details p { padding: 0 20px 18px; color: var(--muted); font-size: 0.92rem; }

/* ---------- Form ---------- */
.form { display: grid; gap: 18px; margin-top: 36px; }
.form label { display: grid; gap: 6px; font-size: 0.88rem; font-weight: 600; }

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 13px 15px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  font-weight: 400;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form select option { background: #0e1528; }

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.18);
}

.form .btn { justify-self: start; }

/* ---------- Footer ---------- */
.footer { padding: 64px 0 0; background: #060a15; border-top: 1px solid var(--border); }

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 40px;
}

.footer p,
.footer a { color: var(--muted); font-size: 0.9rem; }

.footer .logo { color: var(--text); display: inline-block; margin-bottom: 10px; }
.footer h4 { margin-bottom: 12px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; }
.footer-inner a:not(.logo) { display: block; margin-bottom: 8px; }
.footer-inner a:not(.logo):hover { color: var(--cyan); }

.copyright {
  margin-top: 48px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

/* ---------- Floating call button ---------- */
.float-call {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  padding: 13px 22px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #04101c;
  font-weight: 700;
  box-shadow: 0 6px 26px rgba(0, 191, 255, 0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav { display: none; }
  .hero { padding: 80px 0 64px; }
  .section { padding: 60px 0; }
  .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Additions: WhatsApp, contact line, notices ---------- */
.btn-whatsapp {
  background: #25d366;
  color: #04170c;
  box-shadow: 0 4px 22px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover { box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55); }

.contact-direct {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: center;
  margin-top: 22px;
  font-weight: 600;
}
.contact-direct a { color: var(--cyan); }
.contact-direct a:hover { text-decoration: underline; }

.notice {
  margin-top: 24px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.92rem;
  text-align: center;
}
.notice-ok  { background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.3); color: #4ade80; }
.notice-err { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: #f87171; }
.notice[hidden] { display: none; }

/* Honeypot field (hidden from people, catches bots) */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.footer h4.mt { margin-top: 22px; }

/* Floating buttons stack */
.float-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.float-stack .float-call { position: static; }

.float-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 99px;
  background: #25d366;
  color: #04170c;
  font-weight: 700;
  box-shadow: 0 6px 26px rgba(37, 211, 102, 0.5);
  transition: transform 0.2s;
}
.float-wa:hover { transform: translateY(-2px); }

@media (max-width: 760px) {
  .float-stack { flex-direction: row; left: 14px; right: 14px; bottom: 14px; }
  .float-stack a { flex: 1; justify-content: center; text-align: center; }
}