/* =================================================================
   Pest Repeller — Astro-inspired design system
   Cosmic dark theme · nebula gradients · chromatic accents
   ================================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Surfaces */
  --void: #1f232e;
  --void-2: #191c25;
  --panel: #262b38;
  --panel-2: #2e3442;
  --panel-line: rgba(255, 255, 255, 0.08);
  --panel-line-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text: #eef1f6;
  --text-dim: #aab2c2;
  --text-faint: #7c8497;

  /* Chromatic accents */
  --mint: #4bf3c8;
  --blue: #54b9ff;
  --violet: #acafff;
  --amber: #ffcf66;

  /* Nebula gradient */
  --nebula: linear-gradient(120deg, #54b9ff 0%, #acafff 50%, #4bf3c8 100%);
  --nebula-soft: linear-gradient(120deg, rgba(84,185,255,0.16), rgba(172,175,255,0.16), rgba(75,243,200,0.16));

  /* Radii */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-pill: 9999px;

  /* Spacing scale (4px grid) */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  /* Shadows */
  --glow: 0 0 60px rgba(84, 185, 255, 0.25);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.45);

  --maxw: 1120px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--void);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--sp-5); }

/* Ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 80% -5%, rgba(84,185,255,0.10), transparent 60%),
    radial-gradient(700px 500px at 0% 30%, rgba(172,175,255,0.08), transparent 55%),
    radial-gradient(800px 600px at 100% 100%, rgba(75,243,200,0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
main, .nav, .footer { position: relative; z-index: 1; }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--panel-line-strong);
  background: rgba(255,255,255,0.03);
  margin-bottom: var(--sp-5);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.eyebrow--mint { color: var(--mint); }
.eyebrow--mint::before { background: var(--mint); box-shadow: 0 0 10px var(--mint); }
.eyebrow--blue { color: var(--blue); }
.eyebrow--blue::before { background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.eyebrow--violet { color: var(--violet); }
.eyebrow--violet::before { background: var(--violet); box-shadow: 0 0 10px var(--violet); }

.grad-text {
  background: var(--nebula);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  padding: 12px 22px;
  transition: transform .15s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn--primary {
  color: #0e1118;
  background: var(--nebula);
  background-size: 160% 160%;
  box-shadow: 0 10px 30px rgba(84,185,255,0.30);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(84,185,255,0.42); }
.btn--primary:active { transform: translateY(0); }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--lg { padding: 16px 30px; font-size: 17px; }
.btn--block { width: 100%; }
.btn:disabled { opacity: .7; cursor: not-allowed; transform: none; }

/* shake on error */
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }
.shake { animation: shake .4s ease; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(25, 28, 37, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--panel-line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: var(--sp-3); font-weight: 800; font-size: 18px; letter-spacing: -0.01em; }
.brand__mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--nebula);
  position: relative;
  box-shadow: 0 0 18px rgba(84,185,255,0.5);
}
.brand__mark::after {
  content: ""; position: absolute; inset: 7px;
  border-radius: 50%;
  background: var(--void);
}
.nav__right { display: flex; align-items: center; gap: var(--sp-4); }
.nav__price { font-weight: 700; color: var(--text-dim); font-size: 14px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: var(--sp-16) 0 var(--sp-12); overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 75% 20%, rgba(84,185,255,0.18), transparent 65%),
    radial-gradient(500px 400px at 20% 80%, rgba(172,175,255,0.12), transparent 60%);
  z-index: 0;
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-12); align-items: center;
}
.hero__title {
  font-size: clamp(34px, 5.5vw, 58px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-5);
}
.hero__lead { font-size: clamp(16px, 2vw, 19px); color: var(--text-dim); max-width: 46ch; margin-bottom: var(--sp-6); }
.hero__points { list-style: none; display: flex; flex-direction: column; gap: var(--sp-3); margin-bottom: var(--sp-8); }
.hero__points li { display: flex; align-items: center; gap: var(--sp-3); color: var(--text); font-weight: 500; }
.tick { width: 22px; height: 22px; flex: 0 0 auto; border-radius: 50%; background: rgba(75,243,200,0.14); position: relative; }
.tick::after {
  content: ""; position: absolute; left: 7px; top: 4px;
  width: 5px; height: 10px; border: solid var(--mint); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.hero__cta { display: flex; align-items: center; gap: var(--sp-6); flex-wrap: wrap; }
.hero__price { display: flex; flex-direction: column; }
.hero__price-val { font-size: 20px; font-weight: 800; }
.hero__price-note { font-size: 13px; color: var(--text-faint); }

/* Device stage */
.hero__visual { display: flex; justify-content: center; }
.device-stage {
  position: relative;
  width: min(420px, 90%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.device-img {
  position: relative; z-index: 2;
  width: 78%; height: auto;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.5));
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.wave {
  position: absolute; border-radius: 50%;
  border: 1.5px solid rgba(84,185,255,0.4);
  animation: ripple 3.5s ease-out infinite;
  z-index: 1;
}
.wave--1 { width: 55%; height: 55%; animation-delay: 0s; }
.wave--2 { width: 75%; height: 75%; animation-delay: 1.1s; }
.wave--3 { width: 95%; height: 95%; animation-delay: 2.2s; }
@keyframes ripple { 0%{transform:scale(.7);opacity:.8} 100%{transform:scale(1.15);opacity:0} }

/* Trust bar */
.trustbar {
  position: relative; z-index: 1;
  margin-top: var(--sp-12);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-3);
  padding: var(--sp-5);
  background: rgba(38,43,56,0.6);
  border: 1px solid var(--panel-line);
  border-radius: var(--r-lg);
}
.trustbar__item { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2px; }
.trustbar__k { font-weight: 800; font-size: 15px; }
.trustbar__v { font-size: 12px; color: var(--text-faint); }

/* ---------- Sections ---------- */
.section { padding: var(--sp-20) 0; }
.section--alt { background: var(--void-2); border-top: 1px solid var(--panel-line); border-bottom: 1px solid var(--panel-line); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto var(--sp-12); }
.section__title { font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.section__sub { color: var(--text-dim); margin-top: var(--sp-4); font-size: 17px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.step {
  padding: var(--sp-8) var(--sp-6);
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--r-lg);
  position: relative;
  transition: border-color .25s ease, transform .25s ease;
}
.step:hover { border-color: var(--panel-line-strong); transform: translateY(-4px); }
.step__num {
  font-size: 14px; font-weight: 800; letter-spacing: 0.1em;
  color: transparent; background: var(--nebula); -webkit-background-clip: text; background-clip: text;
  margin-bottom: var(--sp-4);
}
.step__title { font-size: 19px; font-weight: 700; margin-bottom: var(--sp-3); }
.step__text { color: var(--text-dim); font-size: 15px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.feature {
  padding: var(--sp-6);
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--r-lg);
  transition: border-color .25s ease, transform .25s ease;
}
.feature:hover { border-color: var(--panel-line-strong); transform: translateY(-4px); }
.feature__ic {
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 14px;
  font-size: 22px; font-weight: 700; margin-bottom: var(--sp-4);
}
.feature__ic--mint { background: rgba(75,243,200,0.14); color: var(--mint); }
.feature__ic--blue { background: rgba(84,185,255,0.14); color: var(--blue); }
.feature__ic--amber { background: rgba(255,207,102,0.14); color: var(--amber); }
.feature__ic--violet { background: rgba(172,175,255,0.14); color: var(--violet); }
.feature__title { font-size: 18px; font-weight: 700; margin-bottom: var(--sp-2); }
.feature__text { color: var(--text-dim); font-size: 14px; }

/* Scenes */
.scenes { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
.scene {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--panel-line);
}
.scene img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform .5s ease; }
.scene:hover img { transform: scale(1.05); }
.scene figcaption {
  position: absolute; left: var(--sp-4); bottom: var(--sp-4);
  background: rgba(25,28,37,0.78); backdrop-filter: blur(8px);
  padding: 6px 14px; border-radius: var(--r-pill); font-size: 13px; font-weight: 700;
  border: 1px solid var(--panel-line);
}
.scene--wide { grid-column: 1 / -1; }
.scene--wide img { aspect-ratio: 21/7; }

/* Placement */
.placement { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-12); align-items: center; }
.placement__media { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--panel-line); }
.placement__media img { width: 100%; }
.checklist { list-style: none; margin-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3); }
.checklist li { display: flex; align-items: flex-start; gap: var(--sp-3); font-size: 16px; }
.checklist li::before {
  content: ""; flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; margin-top: 2px;
  background-position: center; background-repeat: no-repeat;
}
.checklist .ok::before { background: rgba(75,243,200,0.16); box-shadow: inset 0 0 0 1px rgba(75,243,200,0.4); }
.checklist .ok { position: relative; }
.checklist .ok::after {
  content: ""; position: absolute; left: 8px; top: 6px;
  width: 5px; height: 10px; border: solid var(--mint); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.checklist .no::before { background: rgba(255,120,120,0.14); box-shadow: inset 0 0 0 1px rgba(255,120,120,0.4); }
.checklist .no { position: relative; }
.checklist .no::after {
  content: "×"; position: absolute; left: 6px; top: -1px; color: #ff8888; font-size: 16px; font-weight: 700;
}

/* ---------- Order form ---------- */
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-12); align-items: start; }
.form-intro { padding-top: var(--sp-4); }
.form-intro .section__title { text-align: left; }
.order-facts { list-style: none; margin-top: var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-3); }
.order-facts li {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-4) var(--sp-5);
  background: var(--panel); border: 1px solid var(--panel-line); border-radius: var(--r-md);
}
.order-facts__k { color: var(--text-dim); }
.order-facts__v { font-weight: 800; }

.formCard {
  background: var(--panel);
  border: 1px solid var(--panel-line-strong);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  box-shadow: var(--shadow-card);
}
.formCard__head { margin-bottom: var(--sp-6); padding-bottom: var(--sp-5); border-bottom: 1px solid var(--panel-line); }
.formCard__product { display: flex; align-items: center; gap: var(--sp-4); }
.formCard__thumb { width: 56px; height: 56px; object-fit: contain; border-radius: var(--r-md); background: rgba(255,255,255,0.04); padding: 4px; }
.formCard__name { font-weight: 800; font-size: 17px; }
.formCard__price { color: var(--mint); font-weight: 700; }

.field { margin-bottom: var(--sp-5); }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: var(--sp-2); }
.field input {
  width: 100%; padding: 14px 16px;
  background: var(--void-2); color: var(--text);
  border: 1px solid var(--panel-line-strong); border-radius: var(--r-md);
  font-size: 16px; transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder { color: var(--text-faint); }
.field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(84,185,255,0.18); }
.field input.is-invalid { border-color: #ff8888; box-shadow: 0 0 0 3px rgba(255,120,120,0.18); }
.field__hint { display: block; margin-top: 6px; font-size: 12px; color: var(--text-faint); }

.phone { position: relative; display: flex; align-items: center; }
.phone__prefix {
  position: absolute; left: 16px; font-weight: 700; color: var(--text-dim); pointer-events: none;
}
.phone input { padding-left: 62px; }

.form-error {
  background: rgba(255,120,120,0.12); border: 1px solid rgba(255,120,120,0.4);
  color: #ffb3b3; padding: 12px 16px; border-radius: var(--r-md); font-size: 14px; margin-bottom: var(--sp-4);
}
.form-note { margin-top: var(--sp-4); font-size: 12px; color: var(--text-faint); text-align: center; }

.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(14,17,24,0.3); border-top-color: #0e1118;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.successPane { text-align: center; padding: var(--sp-6) 0; }
.successPane__ic {
  width: 64px; height: 64px; margin: 0 auto var(--sp-5);
  display: grid; place-items: center; border-radius: 50%;
  background: rgba(75,243,200,0.16); color: var(--mint); font-size: 30px; font-weight: 700;
  box-shadow: 0 0 30px rgba(75,243,200,0.3);
}
.successPane__title { font-size: 22px; font-weight: 800; margin-bottom: var(--sp-3); }
.successPane__text { color: var(--text-dim); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--sp-3); }
.faq__item {
  background: var(--panel); border: 1px solid var(--panel-line); border-radius: var(--r-md);
  padding: var(--sp-5) var(--sp-6); transition: border-color .2s ease;
}
.faq__item:hover { border-color: var(--panel-line-strong); }
.faq__item summary {
  cursor: pointer; font-weight: 700; font-size: 16px; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 22px; color: var(--blue); font-weight: 400; transition: transform .2s ease; }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { margin-top: var(--sp-4); color: var(--text-dim); font-size: 15px; }

/* ---------- Final CTA ---------- */
.finalcta__inner {
  text-align: center;
  padding: var(--sp-16) var(--sp-6);
  background: var(--nebula-soft);
  border: 1px solid var(--panel-line-strong);
  border-radius: var(--r-lg);
}
.finalcta__title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.02em; }
.finalcta__sub { color: var(--text-dim); margin: var(--sp-4) 0 var(--sp-8); font-size: 17px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--panel-line); padding: var(--sp-12) 0; background: var(--void-2); }
.footer__inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: var(--sp-3); }
.brand--footer { margin-bottom: var(--sp-2); }
.footer__text { color: var(--text-dim); font-size: 14px; }
.footer__copy { color: var(--text-faint); font-size: 13px; }

/* ---------- Sticky mobile bar ---------- */
.sticky-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: none; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(25,28,37,0.92); backdrop-filter: blur(14px);
  border-top: 1px solid var(--panel-line-strong);
}
.sticky-bar__info { display: flex; align-items: center; gap: var(--sp-3); }
.sticky-bar__thumb { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; background: rgba(255,255,255,0.05); }
.sticky-bar__price { font-weight: 800; font-size: 15px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .device-img, .wave { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-10); text-align: center; }
  .hero__copy { display: flex; flex-direction: column; align-items: center; }
  .hero__points { align-items: flex-start; }
  .hero__cta { justify-content: center; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .placement { grid-template-columns: 1fr; }
  .form-wrap { grid-template-columns: 1fr; }
  .form-intro .section__title { text-align: center; }
}
@media (max-width: 640px) {
  .section { padding: var(--sp-16) 0; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .scenes { grid-template-columns: 1fr; }
  .trustbar { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
  .nav__price { display: none; }
  .sticky-bar { display: flex; }
  body { padding-bottom: 72px; }
  .formCard { padding: var(--sp-6); }
}