:root {
  color-scheme: dark;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050505;
  color: #fff;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { min-height: 100svh; margin: 0; background: radial-gradient(circle at 15% 8%, rgba(72, 107, 255, .22), transparent 34rem), radial-gradient(circle at 88% 45%, rgba(134, 55, 255, .15), transparent 35rem), #050505; }
.hero, main { width: min(960px, calc(100% - 40px)); margin: 0 auto; }
.hero { min-height: 82svh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 72px 0 60px; text-align: center; }
.logo { width: min(300px, 70vw); height: auto; margin-bottom: 46px; }
.eyebrow { margin: 0 0 14px; color: #9aabff; font-size: .78rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(3rem, 8vw, 6.3rem); line-height: .95; letter-spacing: -.06em; }
.lead { max-width: 660px; margin: 28px auto 34px; color: #b8b8c4; font-size: clamp(1rem, 2.4vw, 1.3rem); line-height: 1.55; }
a { color: inherit; text-decoration: none; transition: opacity .2s ease, transform .2s ease; }
a:hover { opacity: .8; transform: translateY(-1px); }
.hero-button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 14px; padding: 0 24px; border-radius: 16px; background: #fff; color: #0b0b0e; font-weight: 750; }
.estimate { margin-bottom: 42px; overflow: hidden; border: 1px solid rgba(159, 175, 255, .25); border-radius: 30px; background: rgba(14, 15, 22, .9); box-shadow: 0 28px 90px rgba(0, 0, 0, .35); backdrop-filter: blur(18px); }
.estimate-heading { padding: 36px 40px 30px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.estimate-heading h2 { margin: 0 0 12px; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -.045em; }
.estimate-heading > p:last-child { max-width: 700px; margin: 0; color: #aeb3c2; line-height: 1.55; }
#estimate-form { padding: 10px 40px 40px; }
.form-section { padding: 34px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.section-heading { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 24px; }
.section-heading > span { display: grid; flex: 0 0 auto; width: 34px; height: 34px; place-items: center; border-radius: 11px; background: rgba(126, 151, 255, .16); color: #aebcff; font-weight: 750; }
.section-heading h3 { margin: 1px 0 4px; font-size: 1.25rem; }
.section-heading p { margin: 0; color: #8f96a8; font-size: .88rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.wide { grid-column: 1 / -1; }
label { min-width: 0; }
label > span { display: block; margin: 0 0 8px; color: #dce0eb; font-size: .86rem; font-weight: 650; }
input, select, textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 13px; outline: none; background: rgba(255, 255, 255, .055); color: #fff; font: inherit; transition: border-color .2s ease, background .2s ease, box-shadow .2s ease; }
input:focus, select:focus, textarea:focus { border-color: #8ca2ff; background: rgba(255, 255, 255, .08); box-shadow: 0 0 0 3px rgba(115, 143, 255, .13); }
input::placeholder, textarea::placeholder { color: #73798a; }
select { appearance: auto; }
textarea { resize: vertical; }
.venue-fields { display: grid; grid-template-columns: 1fr 1.25fr .8fr; gap: 12px; padding: 16px; border: 1px solid rgba(151, 170, 255, .14); border-radius: 17px; background: rgba(82, 101, 182, .09); }
.service-group + .service-group { margin-top: 24px; }
.service-group h4 { margin: 0 0 12px; color: #aeb3c2; font-size: .9rem; }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.check { display: flex; min-height: 52px; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 13px; background: rgba(255, 255, 255, .035); transition: border-color .2s ease, background .2s ease; }
.check:hover { border-color: rgba(158, 177, 255, .4); background: rgba(126, 151, 255, .08); }
.check input { width: 19px; min-height: 19px; margin: 0; accent-color: #8fa5ff; }
.check span { margin: 0; color: #f4f5f8; font-size: .9rem; }
.optional-section { margin-top: 30px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 17px; background: rgba(255, 255, 255, .03); }
.optional-section summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px; list-style: none; }
.optional-section summary::-webkit-details-marker { display: none; }
.optional-section summary span { display: grid; gap: 4px; }
.optional-section summary small { color: #8f96a8; font-weight: 400; }
.optional-section summary i { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 10px; background: rgba(255, 255, 255, .07); color: #bcc7fb; font-style: normal; font-size: 1.4rem; transition: transform .2s ease; }
.optional-section[open] summary i { transform: rotate(45deg); }
.optional-fields { padding: 4px 20px 22px; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-error { margin: 22px 0 0; padding: 13px 15px; border: 1px solid rgba(255, 111, 111, .3); border-radius: 12px; background: rgba(167, 32, 32, .13); color: #ffb8b8; }
.submit-button { width: 100%; min-height: 58px; margin-top: 26px; border: 0; border-radius: 15px; background: #fff; color: #090a0e; font: inherit; font-weight: 800; transition: opacity .2s ease, transform .2s ease; }
.submit-button:hover { transform: translateY(-1px); }
.submit-button:disabled { opacity: .55; transform: none; }
.form-note { margin: 12px 0 0; color: #747b8c; font-size: .76rem; text-align: center; }
.form-success { padding: 80px 20px 70px; text-align: center; }
.form-success > span { display: grid; width: 64px; height: 64px; margin: 0 auto 20px; place-items: center; border-radius: 50%; background: rgba(58, 185, 116, .14); color: #6fe0a4; font-size: 1.8rem; }
.form-success h3 { margin: 0 0 10px; font-size: 2rem; }
.form-success p { max-width: 560px; margin: 0 auto 24px; color: #aeb3c2; line-height: 1.55; }
.form-success button { min-height: 48px; padding: 0 20px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 13px; background: rgba(255, 255, 255, .06); color: #fff; font: inherit; }
nav { display: grid; gap: 18px; justify-items: center; padding: 30px 0 54px; }
.phone { padding: 15px 24px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px; font-size: 1.15rem; font-weight: 650; backdrop-filter: blur(12px); }
.socials { display: flex; gap: 24px; color: #bfc6ef; }
footer { padding: 24px; color: #656573; font-size: .8rem; text-align: center; letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 720px) {
  .hero, main { width: min(100% - 24px, 960px); }
  .hero { min-height: auto; padding: 54px 0 64px; }
  .logo { margin-bottom: 38px; }
  .estimate { border-radius: 22px; }
  .estimate-heading { padding: 28px 20px 24px; }
  #estimate-form { padding: 6px 20px 26px; }
  .form-grid, .check-grid, .venue-fields { grid-template-columns: 1fr; }
  .wide { grid-column: auto; }
  .optional-section summary { align-items: flex-start; }
  input, select, textarea { font-size: 16px; }
}