/* =========================================================
   Volt Optics Solutions — Coming Soon
   ========================================================= */
:root {
  --black: #060606;
  --black-2: #0d0d0c;
  --surface: #121210;
  --surface-2: #181815;
  --line: rgba(244, 196, 48, 0.16);
  --line-strong: rgba(244, 196, 48, 0.38);
  --gold: #f4c430;
  --gold-hi: #ffd85a;
  --gold-deep: #c99a12;
  --text: #f3efe4;
  --muted: #b3ad9c;
  --faint: #7f7a6c;
  --error: #ff8a7a;
  --radius: 14px;
  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(244, 196, 48, 0.08), transparent 60%),
    radial-gradient(900px 600px at 0% 100%, rgba(244, 196, 48, 0.05), transparent 60%),
    var(--black);
  color: var(--text);
  font: 400 1rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: var(--gold); color: var(--black); }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 50;
  padding: 10px 16px; border-radius: 8px;
  background: var(--gold); color: var(--black); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 16px; }

:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 3px; border-radius: 6px; }

/* ---------- Energy lines (background) ---------- */
.energy {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: -1; pointer-events: none; opacity: .5;
}
.energy__pulse path {
  stroke-dasharray: 60 940;
  stroke-dashoffset: 1000;
  opacity: .8;
  filter: drop-shadow(0 0 4px rgba(255, 216, 90, .8));
  animation: pulse-run 9s linear infinite;
}
.energy__pulse path:nth-child(2) { animation-delay: -3s; animation-duration: 11s; }
.energy__pulse path:nth-child(3) { animation-delay: -6.5s; animation-duration: 13s; }
@keyframes pulse-run { to { stroke-dashoffset: 0; } }

/* ---------- Header ---------- */
.site-header { position: relative; z-index: 5; }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-block: clamp(14px, 2.4vw, 24px);
}
.brand { display: inline-flex; border-radius: 50%; }
.brand img { width: auto; height: clamp(68px, 8vw, 96px); filter: drop-shadow(0 0 14px rgba(244, 196, 48, .18)); }

.lang {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 4px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(18, 18, 16, .7); backdrop-filter: blur(6px);
}
.lang__btn {
  min-width: 44px; min-height: 36px; padding: 0 12px;
  border: 0; border-radius: 999px; background: transparent; cursor: pointer;
  color: var(--muted); font: 600 .85rem/1 var(--font-head); letter-spacing: .08em;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.lang__btn:hover { color: var(--text); }
.lang__btn[aria-pressed="true"] { background: var(--gold); color: var(--black); }
.lang__sep { color: var(--faint); font-size: .8rem; user-select: none; }

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--gold); font: 600 .74rem/1 var(--font-head); letter-spacing: .2em; text-transform: uppercase;
}
.eyebrow__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 0 rgba(244, 196, 48, .6); animation: dot 2.4s var(--ease) infinite;
}
@keyframes dot { 70% { box-shadow: 0 0 0 9px rgba(244, 196, 48, 0); } 100% { box-shadow: 0 0 0 0 rgba(244, 196, 48, 0); } }

h1, h2 { font-family: var(--font-head); font-weight: 600; letter-spacing: -.02em; margin: 0; text-wrap: balance; }

.hero__title {
  font-size: clamp(2.35rem, 5vw, 4.25rem); line-height: 1.06; font-weight: 700;
  background: linear-gradient(180deg, #fffaf0 30%, #e9dcc0 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-title { font-size: clamp(1.75rem, 3.6vw, 2.6rem); line-height: 1.15; }
.section-lead { margin: 14px 0 0; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.12rem); max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px; border: 0; border-radius: 999px; cursor: pointer;
  font: 600 1rem/1 var(--font-head); letter-spacing: .01em; text-decoration: none;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background-color .2s var(--ease);
}
.btn--primary {
  background: linear-gradient(180deg, var(--gold-hi), var(--gold) 55%, var(--gold-deep));
  color: #121004;
  box-shadow: 0 0 0 1px rgba(255, 216, 90, .5) inset, 0 10px 30px -10px rgba(244, 196, 48, .55);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255, 230, 140, .7) inset, 0 16px 38px -12px rgba(244, 196, 48, .75); }
.btn--primary:active { transform: translateY(0); }
.btn svg { transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--block { width: 100%; }
.btn[disabled] { cursor: progress; opacity: .85; transform: none; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(28px, 7vh, 88px) clamp(56px, 10vh, 120px); }
.hero__inner { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .9fr); align-items: center; gap: clamp(24px, 5vw, 72px); }
.hero__lead { margin: 22px 0 0; max-width: 54ch; color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.22rem); }
.hero__note {
  margin: 22px 0 32px; padding-left: 14px; border-left: 2px solid var(--gold);
  color: var(--text); font-weight: 500;
}

.hero__visual { position: relative; display: grid; place-items: center; aspect-ratio: 1; max-width: 420px; width: 100%; justify-self: end; }
.hero__logo { position: relative; z-index: 2; width: 76%; height: auto; animation: float 8s ease-in-out infinite; }
.halo {
  position: absolute; inset: 6%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(244, 196, 48, .28), rgba(244, 196, 48, .06) 60%, transparent 72%);
  filter: blur(10px); animation: breathe 6s ease-in-out infinite;
}
.ring { position: absolute; border-radius: 50%; border: 1px solid var(--line); }
.ring--a { inset: 0; border-top-color: rgba(255, 216, 90, .6); animation: spin 24s linear infinite; }
.ring--b { inset: 7%; border-style: dashed; border-color: rgba(244, 196, 48, .12); animation: spin 40s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { opacity: .65; transform: scale(.97); } }
@keyframes float { 50% { transform: translateY(-8px); } }

/* ---------- Launch ---------- */
.launch { padding-block: clamp(56px, 9vw, 110px); border-top: 1px solid rgba(255, 255, 255, .05); background: linear-gradient(180deg, rgba(18, 18, 16, .6), transparent); }
.launch__inner { display: flex; flex-direction: column; align-items: center; text-align: center; }
.launch .section-lead { margin-inline: auto; }
.bolt-rule {
  width: 1px; height: 54px; margin-bottom: 26px;
  background: linear-gradient(180deg, transparent, var(--gold));
  box-shadow: 0 0 12px rgba(244, 196, 48, .6);
}

.countdown { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(8px, 2vw, 16px); margin-top: 40px; width: 100%; max-width: 560px; }
.countdown[hidden] { display: none; }
.countdown__cell {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 18px 6px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
}
.countdown__num { font: 600 clamp(1.6rem, 5vw, 2.4rem)/1 var(--font-head); color: var(--gold); font-variant-numeric: tabular-nums; }
.countdown__label { color: var(--faint); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }

/* ---------- Contact ---------- */
.contact { padding-block: clamp(24px, 4vw, 40px) clamp(64px, 10vw, 120px); scroll-margin-top: 16px; }
.card {
  position: relative; max-width: 860px; margin-inline: auto;
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(180deg, var(--surface-2), var(--black-2));
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .02) inset;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-hi), transparent); opacity: .7;
}
.card__head { margin-bottom: 32px; }

.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .9rem; font-weight: 500; color: var(--text); }
.req { color: var(--gold); }
.field input, .field textarea {
  width: 100%; min-height: 50px; padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, .1); border-radius: 10px;
  background: rgba(6, 6, 6, .7); font-size: 1rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:hover, .field textarea:hover { border-color: rgba(244, 196, 48, .3); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(244, 196, 48, .18); }
.field [aria-invalid="true"] { border-color: var(--error); }
.field__error { margin: 0; min-height: 0; color: var(--error); font-size: .85rem; }
.field__error:empty { display: none; }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.form__actions { display: flex; flex-direction: column; gap: 12px; margin-top: 26px; }
.form__hint { margin: 0; color: var(--faint); font-size: .85rem; text-align: center; }
.form__status { margin: 14px 0 0; color: var(--error); font-size: .95rem; text-align: center; }
.form__status:empty { display: none; }
.form__status a { color: var(--gold); }

.spinner {
  display: none; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(18, 16, 4, .25); border-top-color: #121004; animation: spin .7s linear infinite;
}
.is-sending .spinner { display: inline-block; }

.success { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 28px 8px 8px; text-align: center; outline: none; }
.success[hidden] { display: none; }
.success__icon {
  display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%;
  color: var(--black); background: var(--gold); box-shadow: 0 0 40px rgba(244, 196, 48, .45);
  animation: pop .45s var(--ease) both;
}
.success__text { margin: 0; font: 600 clamp(1.15rem, 2.4vw, 1.4rem)/1.4 var(--font-head); }
@keyframes pop { from { transform: scale(.6); opacity: 0; } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid rgba(255, 255, 255, .06); background: rgba(6, 6, 6, .85); }
.site-footer__inner {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px 32px;
  padding-block: 32px; color: var(--muted); font-size: .92rem;
}
.footer-contact { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; padding: 0; list-style: none; }
.footer-link { text-decoration: none; transition: color .2s var(--ease); overflow-wrap: anywhere; }
.footer-link:hover { color: var(--gold); }
.social { display: flex; gap: 10px; margin: 0; padding: 0; list-style: none; }
.social:empty { display: none; }
.social a {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--muted);
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.social a:hover { color: var(--gold); border-color: var(--line-strong); transform: translateY(-2px); }
.social svg { width: 18px; height: 18px; }
.footer-legal {
  grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .05); color: var(--faint); font-size: .85rem;
}
.footer-legal p { margin: 0; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: .06s; }
.hero .reveal:nth-child(3) { transition-delay: .12s; }
.hero .reveal:nth-child(4) { transition-delay: .18s; }
.hero .reveal:nth-child(5) { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .hero__copy { max-width: 640px; }
}
@media (max-width: 640px) {
  .form__grid { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .footer-contact { flex-direction: column; }
  .footer-legal { flex-direction: column; }
  .hero .btn { width: 100%; }
  .energy { opacity: .35; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
  .energy__pulse { display: none; }
}