/* ==========================================================================
   Moonvex — styles.css
   Order: 1 tokens · 2 fonts · 3 base · 4 layout · 5 components · 6 sections · 7 utilities
   ========================================================================== */

/* 1. TOKENS ---------------------------------------------------------------- */
:root {
  --bg-0: #0b0c0e;
  --bg-1: #131518;
  --bg-2: #1a1d22;
  --text: #fff;
  --text-2: #b8bec7;
  --text-3: #8b929d; /* 5.6:1 on --bg-1, passes AA */
  --accent: #7fa3c7;
  --border: 1px solid #23262b;
  --error: #e59a9a;

  --font-head: "Space Grotesk", "SG Fallback", system-ui, sans-serif;
  --font-body: "Inter", "Inter Fallback", system-ui, sans-serif;

  --fs-h1: clamp(2.5rem, 7vw, 6rem);
  --fs-h2: clamp(2rem, 4vw, 3.5rem);
  --fs-body: 1.125rem;

  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px; --s5: 40px; --s6: 48px; --s8: 64px;
  --section-y: clamp(80px, 12vw, 160px);
  --container: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 2px;
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 2. FONTS (self-hosted variable WOFF2) ------------------------------------ */
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url("../assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url("../assets/fonts/inter-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Space Grotesk"; font-style: normal; font-weight: 300 700; font-display: swap;
  src: url("../assets/fonts/sg-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk"; font-style: normal; font-weight: 300 700; font-display: swap;
  src: url("../assets/fonts/sg-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Metric-matched fallbacks: no layout shift on swap */
@font-face { font-family: "Inter Fallback"; src: local("Arial"); size-adjust: 107%; ascent-override: 90%; descent-override: 22%; line-gap-override: 0%; }
@font-face { font-family: "SG Fallback"; src: local("Arial"); size-adjust: 103%; ascent-override: 98%; descent-override: 29%; line-gap-override: 0%; }

/* 3. BASE ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg-0); color: var(--text-2);
  font: 400 var(--fs-body) / 1.65 var(--font-body);
  -webkit-font-smoothing: antialiased; overflow-x: clip;
}
h1, h2, h3 { margin: 0; color: var(--text); font-family: var(--font-head); font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; text-wrap: balance; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: 1.25rem; letter-spacing: -0.01em; line-height: 1.3; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { display: block; max-inline-size: 100%; block-size: auto; }
ul { list-style: none; margin: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--bg-0); }

.skip-link { position: fixed; inset-block-start: 8px; inset-inline-start: 8px; z-index: 100; padding: 12px 16px; background: #fff; color: #000; transform: translateY(-200%); }
.skip-link:focus { transform: none; }

/* 4. LAYOUT ---------------------------------------------------------------- */
.container { inline-size: min(100% - var(--gutter) * 2, var(--container)); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--bg-1); }
.section:not(#hero) { content-visibility: auto; contain-intrinsic-size: auto 700px; contain: layout paint; }
.section-head { display: grid; gap: var(--s2); margin-block-end: var(--s8); max-inline-size: 40ch; }
.eyebrow { display: block; inline-size: 32px; block-size: 1px; background: var(--accent); margin-block-end: var(--s2); }
.two-col { display: grid; gap: var(--s6) var(--s8); }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; align-items: start; } }

/* 5. COMPONENTS ------------------------------------------------------------ */
/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-block-size: 48px; padding-inline: 24px; border-radius: var(--radius);
  font: 500 0.9375rem / 1 var(--font-body); letter-spacing: 0.01em; cursor: pointer;
  border: 1px solid transparent; transition: transform 0.2s var(--ease), filter 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); filter: brightness(0.92); }
.btn--primary { background: #fff; color: #000; }
.btn--secondary { background: transparent; color: #fff; border-color: #fff; }
.btn--secondary:hover { filter: brightness(1.15); }
.btn .arrow { transition: transform 0.2s var(--ease); }
.btn:hover .arrow, .link-arrow:hover .arrow { transform: translateX(4px); }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; min-block-size: 48px; color: var(--accent); font-weight: 500; }
.link-arrow .arrow { transition: transform 0.2s var(--ease); }
.link-arrow.is-coming-soon { color: #fff; }
.link-arrow.is-coming-soon .arrow { display: none; }

/* Header / nav */
.site-header {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 50; block-size: var(--header-h);
  background: rgb(11 12 14 / 0.78); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-block-end: 1px solid transparent; transition: background-color 0.3s, border-color 0.3s;
}
.site-header.is-scrolled { background: rgb(11 12 14 / 0.92); border-color: #23262b; }
.nav { display: flex; align-items: center; justify-content: space-between; block-size: 100%; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-block-size: 48px; color: #fff; font: 600 1.125rem var(--font-head); letter-spacing: -0.02em; }
.brand img { inline-size: 28px; block-size: 28px; }
.nav__links { display: none; gap: var(--s1); align-items: center; }
.nav__links a:not(.btn) { display: inline-flex; align-items: center; min-block-size: 48px; padding-inline: 14px; font-size: 0.9375rem; color: var(--text-2); transition: color 0.2s; }
.nav__links a:not(.btn):hover, .nav__links a[aria-current="true"] { color: #fff; }
.nav__links a[aria-current="true"] { box-shadow: inset 0 -1px 0 var(--accent); }
.nav__cta { display: none; min-block-size: 48px; }
.nav__toggle {
  display: inline-grid; place-items: center; inline-size: 48px; block-size: 48px;
  padding: 0; background: transparent; border: 0; color: #fff; cursor: pointer;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block; inline-size: 22px; block-size: 2px; border-radius: 2px;
  background: currentColor; position: absolute;
  transition: transform 0.25s var(--ease), opacity 0.2s, background-color 0.2s;
}
.nav__toggle span { position: relative; }
.nav__toggle span::before,
.nav__toggle span::after { content: ""; inset-inline-start: 0; }
.nav__toggle span::before { inset-block-start: -7px; }
.nav__toggle span::after { inset-block-start: 7px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }
.nav__links.is-open {
  display: flex; flex-direction: column; align-items: stretch; position: fixed;
  inset: var(--header-h) 0 auto 0; max-block-size: calc(100svh - var(--header-h)); overflow-y: auto;
  padding: var(--s2) var(--gutter) var(--s4); background: rgb(11 12 14 / 0.98);
  border-block-end: var(--border); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.nav__links.is-open a:not(.btn) { border-block-end: var(--border); font-size: 1.125rem; }
@media (max-width: 899px) {
  .nav { padding-inline: 16px; }
  .brand { min-inline-size: 0; }
  .brand img { flex: 0 0 auto; }
}
@media (min-width: 900px) {
  .nav__toggle { display: none; }
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
}

/* Cards */
.cards { display: grid; gap: var(--s4); }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  background: var(--bg-0); border: var(--border); border-radius: 8px; overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.25s; transform-style: preserve-3d; will-change: transform;
}
.card:hover { border-color: #3a4048; }
.card__media { overflow: hidden; aspect-ratio: 16 / 9; border-block-end: var(--border); background: var(--bg-1); }
.card__media img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card__media img { transform: scale(1.04); }
.card__body { display: grid; gap: var(--s1); padding: var(--s3); }
.card__body p { font-size: 1rem; }
.card__genre { color: var(--accent); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }

/* Tech grid */
.tech-grid { display: grid; }
@media (min-width: 640px) { .tech-grid { grid-template-columns: 1fr 1fr; column-gap: var(--s8); } }
.tech-item { padding-block: var(--s4); border-block-start: var(--border); transition: opacity 0.3s, background-color 0.3s; }
.tech-item p { margin-block-start: var(--s1); font-size: 1rem; }
.tech-item h3 { transition: color 0.3s; }
.tech-grid:hover .tech-item { opacity: 0.5; }
.tech-grid .tech-item:hover { opacity: 1; }
.tech-item:hover h3 { color: var(--accent); }

/* About rows */
.facts { border-block-start: var(--border); }
.facts div { display: flex; justify-content: space-between; gap: var(--s3); padding-block: var(--s3); border-block-end: var(--border); }
.facts dt { color: var(--text-3); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.06em; padding-block-start: 4px; }
.facts dd { margin: 0; color: #fff; text-align: end; font-weight: 500; }
.facts { margin: 0; }

/* Form */
.form { display: grid; gap: var(--s3); }
.field { position: relative; display: grid; gap: 6px; }
.field label { font-size: 0.875rem; color: var(--text-2); }
.field input, .field textarea {
  inline-size: 100%; min-block-size: 48px; padding: 12px 0; background: transparent; color: #fff;
  border: 0; border-block-end: 1px solid #3a4048; border-radius: 0; font: inherit; font-size: 1rem;
}
.field textarea { min-block-size: 140px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; }
.field input:-webkit-autofill,
.field input:-webkit-autofill:hover,
.field input:-webkit-autofill:focus {
  -webkit-text-fill-color: #000;
  caret-color: #000;
  box-shadow: 0 0 0 1000px #eaf1ff inset;
}
.field::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0; block-size: 2px; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.3s var(--ease); }
.field:focus-within::after { transform: scaleX(1); }
.field input::placeholder, .field textarea::placeholder { color: #6b727d; }
.field [aria-invalid="true"] { border-color: var(--error); }
.field__error { min-block-size: 1.2em; color: var(--error); font-size: 0.875rem; }
.hp { position: absolute; inset-inline-start: -9999px; }
.form__status { min-block-size: 1.5em; color: var(--accent); }

/* 6. SECTIONS -------------------------------------------------------------- */
/* Hero */
#hero { position: relative; min-block-size: 100svh; display: grid; align-items: center; padding-block: calc(var(--header-h) + 48px) 96px; overflow: clip; isolation: isolate; }
.hero__sky { position: absolute; inset: 0; z-index: -2; background: radial-gradient(120% 80% at 75% 20%, #12161c 0%, var(--bg-0) 60%); }
#stars { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; z-index: -2; }
.moon-wrap { position: absolute; z-index: -1; inset-block-start: 8%; inset-inline-end: -12vmin; inline-size: min(78vmin, 760px); aspect-ratio: 1; will-change: transform; pointer-events: none; }
.moon-tilt { inline-size: 100%; block-size: 100%; transition: transform 0.4s var(--ease); }
.moon {
  position: relative; inline-size: 100%; block-size: 100%; border-radius: 50%; overflow: hidden;
  background: radial-gradient(circle at 34% 30%, #e9eef4 0%, #b7c4d3 38%, #6f8299 72%, #2b3644 100%);
  box-shadow: 0 0 120px 20px rgb(127 163 199 / 0.16), inset -40px -30px 90px rgb(11 12 14 / 0.65);
  animation: moon-pulse 9s ease-in-out infinite;
}
.moon__surface {
  position: absolute; inset: -10%; border-radius: 50%; opacity: 0.55; mix-blend-mode: multiply;
  background:
    radial-gradient(circle at 28% 36%, rgb(40 52 68 / 0.55) 0 7%, transparent 8%),
    radial-gradient(circle at 58% 24%, rgb(40 52 68 / 0.45) 0 10%, transparent 11%),
    radial-gradient(circle at 66% 62%, rgb(40 52 68 / 0.5) 0 8%, transparent 9%),
    radial-gradient(circle at 40% 70%, rgb(40 52 68 / 0.4) 0 12%, transparent 13%),
    radial-gradient(circle at 80% 40%, rgb(40 52 68 / 0.35) 0 5%, transparent 6%);
  animation: moon-spin 160s linear infinite;
}
@keyframes moon-spin { to { transform: rotate(360deg); } }
@keyframes moon-pulse { 50% { box-shadow: 0 0 150px 30px rgb(127 163 199 / 0.2), inset -40px -30px 90px rgb(11 12 14 / 0.65); } }
.hero__content { position: relative; display: grid; gap: var(--s3); max-inline-size: 760px; justify-items: start; }
.hero__content p { max-inline-size: 52ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s2); margin-block-start: var(--s2); }
.hero-in { animation: hero-in 0.55s var(--ease) both; }
.hero-in:nth-child(2) { animation-delay: 0.08s; }
.hero-in:nth-child(3) { animation-delay: 0.16s; }
@keyframes hero-in { from { opacity: 0; transform: translateY(16px); } }

/* Contact */
.contact__mail { display: inline-block; margin-block: var(--s2) var(--s4); color: #fff; font: 600 clamp(1.25rem, 3vw, 2rem) var(--font-head); border-block-end: 1px solid var(--accent); }
.socials { display: flex; flex-wrap: wrap; gap: var(--s1) var(--s3); }
.socials a { display: inline-flex; align-items: center; gap: 8px; min-block-size: 48px; color: var(--text-2); transition: color 0.2s, transform 0.2s var(--ease); }
.socials a:hover { color: #fff; transform: translateY(-1px); }
.socials svg { inline-size: 20px; block-size: 20px; fill: currentColor; }
.socials span { font-size: 0.9375rem; }

/* Footer */
.site-footer { padding-block: var(--s6); background: var(--bg-0); border-block-start: var(--border); font-size: 0.9375rem; }
.footer__inner { display: grid; gap: var(--s3); align-items: center; }
.footer__inner ul { display: flex; flex-wrap: wrap; gap: 0 var(--s3); }
.footer__inner a { display: inline-flex; align-items: center; min-block-size: 48px; }
.footer__inner a:hover { color: #fff; }
@media (min-width: 900px) { .footer__inner { grid-template-columns: auto 1fr auto; } .footer__inner .footer__nav { justify-self: center; } }

/* 7. UTILITIES ------------------------------------------------------------- */
/* Default state is visible; JS adds .js to <html>, then reveal toggles. */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0ms); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.sr-only { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* Utility classes replacing inline styles (CSP: style-src 'self') */
.d-80 { --d: 80ms; }
.d-120 { --d: 120ms; }
.d-160 { --d: 160ms; }
.d-240 { --d: 240ms; }
.mt-2 { margin-block-start: 16px; }
.mt-4 { margin-block-start: 32px; }

/* Team / open roles */
.roles { border-block-start: var(--border); }
.role { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s2) var(--s3); padding-block: var(--s3); border-block-end: var(--border); }
.role p { margin-block-start: var(--s1); font-size: 1rem; max-inline-size: 38ch; }

/* Responsive fixes */
.contact__mail { min-block-size: 48px; display: inline-flex; align-items: center; }
@media (max-width: 639px) {
  .moon-wrap { inset-block-start: auto; inset-block-end: 4%; inset-inline-end: -28vmin; inline-size: 72vmin; opacity: 0.55; }
  .contact__mail { overflow-wrap: anywhere; }
}

/* After reveal finishes, remove stagger delay (keeps card tilt responsive) */
.js [data-reveal].is-settled { transition-delay: 0ms; }
.js [data-tilt].is-settled { transition: transform 0.35s var(--ease), border-color 0.25s; }