/* ===== Variables ===== */
:root {
  --bg: #07080c;
  --bg-2: #0c0e15;
  --bg-3: #12151f;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e9e9ee;
  --muted: #9a9daa;
  --silver: #c9ccd6;
  --silver-2: #8d919e;
  --crimson: #a3121d;
  --crimson-2: #e01d2c;
  --crimson-glow: rgba(224, 29, 44, 0.35);
  --font-head: "Unbounded", "Arial Black", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 14px;
  --container: 1140px;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; font-family: var(--font-head); font-weight: 700; line-height: 1.15; }
p { margin: 0; }

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.bg-noise {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(163, 18, 29, 0.18), transparent 60%),
    radial-gradient(700px 500px at 90% 10%, rgba(120, 125, 140, 0.10), transparent 60%),
    var(--bg);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 600; font-size: 15px; letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  font-family: var(--font-body);
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: linear-gradient(135deg, var(--crimson-2), var(--crimson));
  color: #fff;
  box-shadow: 0 8px 30px var(--crimson-glow);
}
.btn--primary:hover { box-shadow: 0 12px 40px var(--crimson-glow); transform: translateY(-2px); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(201, 204, 214, 0.35);
  color: var(--silver);
}
.btn--ghost:hover { border-color: var(--silver); background: rgba(255, 255, 255, 0.06); }
.btn--full { width: 100%; justify-content: center; }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 8, 12, 0.75);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.header__logo img { height: 44px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-size: 15px; font-weight: 500; color: var(--muted);
  transition: color .2s;
}
.nav a:hover { color: var(--text); }
.nav__cta {
  padding: 10px 18px; border-radius: 6px;
  border: 1px solid rgba(224, 29, 44, 0.5);
  color: var(--text) !important;
}
.nav__cta:hover { background: rgba(224, 29, 44, 0.12); }

.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; padding: 8px; cursor: pointer;
}
.burger span { width: 24px; height: 2px; background: var(--silver); transition: .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 90px 0 110px;
  text-align: center;
  overflow: hidden;
}
.hero__glow {
  position: absolute; left: 50%; top: 10%;
  width: 900px; height: 500px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(224, 29, 44, 0.22), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.hero__inner { position: relative; }
.hero__logo {
  width: min(680px, 92%);
  margin: 0 auto 34px;
  filter: drop-shadow(0 10px 40px rgba(224, 29, 44, 0.25));
}
.hero__eyebrow {
  font-size: 13px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--silver-2); margin-bottom: 18px;
}
.hero__title {
  font-size: clamp(26px, 4.2vw, 50px);
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #ffffff 0%, var(--silver) 55%, var(--silver-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__text {
  max-width: 680px; margin: 26px auto 0;
  color: var(--muted); font-size: 18px;
}
.hero__actions {
  margin-top: 38px;
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.hero__divider {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: min(900px, 90%); height: 2px;
  background: linear-gradient(90deg, transparent, var(--silver-2) 20%, var(--crimson-2) 50%, var(--silver-2) 80%, transparent);
  opacity: .7;
}

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section--alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { margin-bottom: 54px; }
.section__label {
  display: inline-block;
  font-size: 12px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--crimson-2); margin-bottom: 14px;
}
.section__title {
  font-size: clamp(22px, 3vw, 34px);
  color: var(--text);
}

/* ===== About ===== */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: start; }
.about__lead { font-size: 20px; color: var(--silver); line-height: 1.65; }
.stats { display: grid; gap: 18px; }
.stat {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--crimson);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}
.stat__value { display: block; font-family: var(--font-head); font-size: 17px; color: var(--text); }
.stat__label { display: block; color: var(--muted); font-size: 15px; margin-top: 4px; }

/* ===== Services ===== */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(201, 204, 214, 0.3);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}
.card--accent { border-color: rgba(224, 29, 44, 0.35); }
.card--accent:hover { border-color: var(--crimson-2); box-shadow: 0 20px 50px rgba(224, 29, 44, 0.18); }
.card__icon {
  width: 46px; height: 46px; margin-bottom: 20px;
  display: grid; place-items: center;
  border-radius: 10px;
  color: var(--silver);
  background: rgba(201, 204, 214, 0.08);
  border: 1px solid rgba(201, 204, 214, 0.18);
}
.card--accent .card__icon { color: var(--crimson-2); background: rgba(224, 29, 44, 0.1); border-color: rgba(224, 29, 44, 0.3); }
.card__icon svg { width: 24px; height: 24px; }
.card__title { font-size: 17px; margin-bottom: 10px; }
.card__text { color: var(--muted); font-size: 15.5px; }

/* ===== Projects ===== */
.project {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; align-items: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.005));
}
.project__frame { display: block; }
.project__mock {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(201, 204, 214, 0.2);
  background: #0f1118;
  box-shadow: 0 30px 70px rgba(0,0,0,.5);
  transition: transform .3s ease, box-shadow .3s ease;
}
.project__frame:hover .project__mock { transform: translateY(-4px) scale(1.01); box-shadow: 0 40px 90px rgba(0,0,0,.6), 0 0 60px rgba(224,29,44,.12); }
.mock__bar { display: flex; gap: 6px; padding: 12px 14px; background: #161a24; border-bottom: 1px solid var(--line); }
.mock__bar span { width: 10px; height: 10px; border-radius: 50%; background: #2c3140; }
.mock__bar span:first-child { background: var(--crimson-2); }
.mock__body { display: flex; gap: 28px; align-items: center; padding: 40px 36px; }
.mock__qr { width: 120px; flex-shrink: 0; color: var(--silver); padding: 12px; background: #fff; border-radius: 10px; }
.mock__qr svg { color: #0b0c10; }
.mock__lines { flex: 1; display: grid; gap: 12px; }
.mock__line { height: 10px; border-radius: 6px; background: #262b38; display: block; }
.mock__line--title { height: auto; background: none; font-family: var(--font-head); font-size: 20px; color: var(--text); }
.mock__line--short { width: 60%; }
.mock__stars { color: #f2b01e; letter-spacing: 3px; font-size: 18px; }

.project__tag {
  display: inline-block; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--silver-2); margin-bottom: 14px;
}
.project__title { font-size: 28px; margin-bottom: 16px; }
.project__text { color: var(--muted); margin-bottom: 22px; }
.project__features { display: grid; gap: 10px; margin-bottom: 28px; }
.project__features li { position: relative; padding-left: 22px; color: var(--silver); font-size: 15.5px; }
.project__features li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 10px; height: 2px; background: var(--crimson-2);
}
.projects__note { margin-top: 32px; text-align: center; color: var(--muted); font-size: 15px; }

/* ===== Process ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  position: relative;
  padding: 28px 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
}
.step__num {
  font-family: var(--font-head); font-size: 36px; font-weight: 700;
  background: linear-gradient(180deg, var(--crimson-2), var(--crimson));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 14px;
}
.step__title { font-size: 16px; margin-bottom: 10px; }
.step__text { color: var(--muted); font-size: 15px; }

/* ===== Contact ===== */
.contact__inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  padding: 50px;
  border: 1px solid rgba(224, 29, 44, 0.3);
  border-radius: 22px;
  background:
    radial-gradient(600px 300px at 0% 0%, rgba(224, 29, 44, 0.14), transparent 60%),
    linear-gradient(180deg, var(--bg-3), var(--bg-2));
}
.contact__text p { color: var(--muted); margin: 18px 0 30px; }
.contact__list { display: grid; gap: 14px; }
.contact__list li { display: grid; gap: 2px; }
.contact__key { font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--silver-2); }
.contact__list a { color: var(--text); font-weight: 500; transition: color .2s; }
.contact__list a:hover { color: var(--crimson-2); }

.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field span { font-size: 13px; color: var(--silver-2); }
.field input, .field textarea {
  width: 100%;
  padding: 13px 15px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body); font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  border-color: var(--crimson-2);
  box-shadow: 0 0 0 3px rgba(224, 29, 44, 0.15);
}
.form__hint { font-size: 12.5px; color: var(--silver-2); text-align: center; }
.form__success {
  padding: 14px; border-radius: 8px; text-align: center;
  background: rgba(46, 160, 67, 0.12); border: 1px solid rgba(46,160,67,.4); color: #9be3a8;
}

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer__logo { height: 34px; width: auto; opacity: .85; }
.footer__copy { color: var(--muted); font-size: 14px; }
.footer__up { color: var(--silver-2); font-size: 14px; transition: color .2s; }
.footer__up:hover { color: var(--text); }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 1000px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .project { grid-template-columns: 1fr; gap: 32px; padding: 26px; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; padding: 36px 28px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 70px 0; }
  .hero { padding: 60px 0 80px; }
  .hero__text { font-size: 16.5px; }
  .services, .steps { grid-template-columns: 1fr; }
  .mock__body { flex-direction: column; text-align: center; padding: 28px 20px; }
  .mock__lines { justify-items: center; width: 100%; }
  .mock__line { width: 80%; }
  .mock__line--short { width: 50%; }

  .burger { display: flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 10px 24px 20px;
    transform: translateY(-110%);
    opacity: 0; pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav__cta { margin-top: 12px; text-align: center; border-bottom: 0 !important; }
  .footer__inner { flex-direction: column; text-align: center; }
}