:root {
  --sky-top: #0a8fff;
  --sky-bottom: #7fdcff;
  --sun: #ffd23f;
  --orange: #ff7a1a;
  --green: #2fbf71;
  --green-dark: #17995a;
  --navy: #0b2545;
  --ink: #1d3557;
  --muted: #5b6f8c;
  --paper: #ffffff;
  --cream: #fff8e6;
  --radius: 22px;
  --shadow: 0 24px 60px rgba(11, 37, 69, .22);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p { margin: 0; }

h1, h2, h3 { color: var(--navy); line-height: 1.1; letter-spacing: -.02em; text-wrap: balance; }

h2 { font-size: clamp(28px, 4.4vw, 44px); font-weight: 900; text-align: center; }

.container { width: min(1140px, 100% - 32px); margin-inline: auto; }

.section-lead {
  max-width: 640px;
  margin: 16px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 20px;
}

.fineprint { font-size: 13px; color: var(--muted); line-height: 1.4; }

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding-bottom: 72px;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-bottom) 100%);
}

.sky { position: absolute; inset: 0; pointer-events: none; }

.sun {
  position: absolute;
  top: -90px;
  right: -70px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 40px rgba(255, 210, 63, .28), 0 0 0 90px rgba(255, 210, 63, .14);
}

.cloud {
  position: absolute;
  left: -260px;
  width: 200px;
  height: 56px;
  border-radius: 56px;
  background: #fff;
  opacity: .4;
  animation: drift 48s linear infinite;
}

.cloud::before, .cloud::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: inherit;
}

.cloud::before { left: 28px; top: -30px; width: 78px; height: 78px; }
.cloud::after { left: 92px; top: -46px; width: 96px; height: 96px; }

.cloud-1 { top: 120px; }
.cloud-2 { top: 300px; scale: .7; opacity: .3; animation-duration: 70s; animation-delay: -30s; }
.cloud-3 { top: 520px; scale: 1.2; opacity: .3; animation-duration: 90s; animation-delay: -55s; }

@keyframes drift { to { transform: translateX(calc(100vw + 520px)); } }

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.nav-actions { display: flex; align-items: center; gap: 10px; }

.lang {
  display: flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .25);
}

.lang a {
  padding: 7px 12px;
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.lang a[aria-current] { background: #fff; color: var(--navy); }

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: #fff;
  color: var(--navy);
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  align-items: center;
  gap: 48px;
  padding-top: 32px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .25);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

h1 {
  margin-top: 18px;
  color: #fff;
  font-size: clamp(40px, 6.6vw, 76px);
  font-weight: 900;
  text-shadow: 0 3px 0 rgba(11, 37, 69, .18);
}

.hl { color: var(--sun); }

.lead {
  max-width: 520px;
  margin-top: 20px;
  color: #fff;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 500;
}

.stores { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.stores-center { justify-content: center; }

.store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
  padding: 10px 20px;
  border-radius: 14px;
  background: var(--navy);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(11, 37, 69, .3);
  transition: transform .15s ease;
}

.store:hover { transform: translateY(-3px); }
.store small { display: block; font-size: 11px; font-weight: 500; opacity: .85; }

.rating { margin-top: 16px; color: #fff; font-size: 16px; font-weight: 700; }
.stars { color: var(--sun); letter-spacing: 2px; }

/* Calculator card */

.calc {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.scene { height: 210px; overflow: hidden; background: linear-gradient(180deg, #bfeaff, #eafaff); }
.scene svg { display: block; width: 100%; height: 100%; overflow: visible; }

.hill-back { fill: #7fdc9c; }
.hill-front { fill: var(--green); }
.tower { fill: #fff; stroke: #c9d6e6; stroke-width: .6; }

#rotor-size { transition: transform .25s ease; }
.rotor { color: #fff; filter: drop-shadow(0 1px 1px rgba(11, 37, 69, .35)); }
.brand svg { color: #fff; }

.calc-body { padding: 22px 24px 26px; }
.calc-body h2 { font-size: 24px; text-align: left; }

.field { display: block; margin-top: 18px; }

.field-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
}

.field output { color: var(--navy); font-size: 20px; font-weight: 900; font-variant-numeric: tabular-nums; }

input[type="range"] {
  width: 100%;
  height: 32px;
  margin: 4px 0 0;
  accent-color: var(--orange);
  cursor: pointer;
}

.results { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }

.result { padding: 14px 12px; border-radius: 16px; background: var(--cream); text-align: center; }

.result strong {
  display: block;
  color: var(--orange);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.result span { font-size: 14px; font-weight: 600; color: var(--muted); }

.home-share { margin-top: 14px; font-size: 15px; font-weight: 700; color: var(--navy); }

.bar {
  display: block;
  height: 10px;
  margin-bottom: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6edf5;
}

.bar span {
  display: block;
  width: 20%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--sun));
  transition: width .25s ease;
}

.calc .fineprint { margin-top: 10px; }

.btn {
  display: block;
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 14px;
  background: var(--orange);
  color: #fff;
  font-size: 19px;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 8px 0 #d85f08;
  transition: transform .1s ease, box-shadow .1s ease;
}

.btn:hover { transform: translateY(2px); box-shadow: 0 6px 0 #d85f08; }

/* Sections */

main > section { padding: 80px 0; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }

.fact { padding: 28px 24px; border-radius: var(--radius); color: #fff; }
.fact h3 { margin-top: 8px; color: inherit; font-size: 22px; font-weight: 800; }
.fact p:last-child { margin-top: 10px; font-size: 16px; opacity: .95; }
.mult { font-size: 72px; font-weight: 900; line-height: 1; }

.fact-wind { background: var(--sky-top); }
.fact-rotor { background: var(--green-dark); }
.fact-rated { background: var(--orange); }

.who { background: var(--cream); }

.who-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.who-list li {
  padding: 24px 20px;
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 16px;
  color: var(--muted);
  box-shadow: 0 6px 18px rgba(11, 37, 69, .07);
}

.who-list strong { display: block; margin: 10px 0 4px; color: var(--navy); font-size: 19px; }
.emoji { font-size: 40px; line-height: 1; }

.video-frame {
  position: relative;
  display: block;
  width: min(860px, 100%);
  aspect-ratio: 16 / 9;
  margin: 40px auto 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius);
  background: var(--navy);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.video-frame img, .video-frame iframe { display: block; width: 100%; height: 100%; border: 0; object-fit: cover; }

.play {
  position: absolute;
  inset: 0;
  width: 92px;
  height: 92px;
  margin: auto;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 14px rgba(255, 122, 26, .3);
  transition: transform .15s ease;
}

.play::after {
  content: "";
  position: absolute;
  top: 28px;
  left: 37px;
  border-style: solid;
  border-width: 18px 0 18px 28px;
  border-color: transparent transparent transparent #fff;
}

.video-frame:hover .play { transform: scale(1.08); }

.final { background: linear-gradient(180deg, var(--sky-bottom), var(--sky-top)); }
.final h2 { color: #fff; }
.final .section-lead { color: #fff; }

/* Consultation form */

.consult { background: var(--navy); }

.consult-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  align-items: center;
  gap: 48px;
}

.consult h2 { margin-top: 16px; color: #fff; font-size: clamp(26px, 3.6vw, 38px); text-align: left; }
.consult-copy > p:last-child { margin-top: 16px; color: #c9d6e6; }
.eyebrow-dark { background: var(--sun); color: var(--navy); }

.lead-form { padding: 24px; border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }

.lead-form label { display: block; margin: 14px 0 6px; font-size: 14px; font-weight: 700; color: var(--navy); }
.lead-form > label:first-child { margin-top: 0; }
.lead-form label small { font-weight: 500; color: var(--muted); }

.lead-form input, .lead-form textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 2px solid #dbe4ef;
  border-radius: 12px;
  background: #fff;
  color: var(--navy);
  font: inherit;
  font-size: 16px;
}

.lead-form textarea { resize: vertical; }
.lead-form input:focus, .lead-form textarea:focus { border-color: var(--sky-top); outline: none; }
.lead-form [aria-invalid="true"] { border-color: #e5484d; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.lead-form .btn { width: 100%; margin-top: 20px; border: 0; font-family: inherit; cursor: pointer; }
.lead-form .btn:disabled { opacity: .7; cursor: wait; }

.form-status { display: none; margin-top: 18px; padding: 10px 14px; border-radius: 12px; background: #e3f7ec; color: #11663d; font-size: 15px; font-weight: 600; }
.form-status.visible { display: block; }
.form-status.error { background: #fde8e8; color: #b42318; }

.lead-form .fineprint { margin-top: 14px; }
.lead-form .fineprint a { color: var(--sky-top); }

.footer { padding: 28px 0; border-top: 1px solid rgba(255, 255, 255, .12); background: var(--navy); color: #c9d6e6; font-size: 15px; text-align: center; }
.footer a { color: #fff; }
.footer .fineprint { margin-top: 6px; color: #8fa3bf; }

a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; padding-top: 12px; }
  .hero { padding-bottom: 48px; }
  .sun { width: 200px; height: 200px; top: -70px; right: -70px; }
  .facts { grid-template-columns: 1fr; }
  .consult-grid { grid-template-columns: 1fr; gap: 28px; }
  .who-list { grid-template-columns: 1fr 1fr; }
  main > section { padding: 56px 0; }
}

@media (max-width: 520px) {
  .brand span { display: none; }
  .store { flex: 1 1 100%; justify-content: center; }
  .who-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .section-lead { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cloud { animation: none; left: 8%; }
  .cloud-2 { left: 55%; }
  .cloud-3 { left: 30%; }
}
