/* ===== SRATECH — Global Styles ===== */
:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --text: #e8e8ec;
  --text-dim: #9a9aa8;
  --border: #23232f;
  --max: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.blue { color: var(--blue); }
.dim { color: var(--text-dim); }

/* ===== Header / Nav ===== */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.5px; }
.logo span { color: var(--blue); }
.logo .dot { color: var(--blue); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-dim); font-weight: 500; font-size: 0.95rem; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.menu-btn { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ===== Hero ===== */
.hero { padding: 110px 0 90px; }
.hero-home { padding: 72px 0 84px; }
.hero-grid { display: flex; align-items: center; gap: 48px; }
.hero-copy { flex: 1 1 52%; min-width: 0; }
.hero-copy .btn { margin-top: 6px; }

/* laptop visual + live code overlay */
.hero-visual { flex: 1 1 48%; position: relative; container-type: inline-size; }
.hero-visual > img { width: 100%; display: block; border-radius: 14px; box-shadow: 0 24px 70px rgba(0,0,0,.5); }
.code-live {
  position: absolute; left: 40.5%; top: 24.5%; width: 31%; height: 40%;
  overflow: hidden; border-radius: 4px;
  background: rgba(4,12,24,0.90);
  color: #6ee7f9;
  font-family: "Monaco", "Menlo", monospace;
  font-size: 2.5cqw; line-height: 1.5;
  padding: 0.4cqw 0.7cqw;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 16%, #000 84%, transparent 100%);
          mask-image: linear-gradient(to bottom, transparent 0, #000 16%, #000 84%, transparent 100%);
}
.code-live .code-scroll { animation: codescroll 14s linear infinite; }
.code-live .code-block > div { white-space: pre; }
.code-live .k { color: #7db0ff; }
.code-live .s { color: #82e0aa; }
.code-live .c { color: #5f8cac; }
.code-live .p { color: #4fd1e5; font-weight: 700; }
@keyframes codescroll { from { transform: translateY(0); } to { transform: translateY(-50%); } }
@media (prefers-reduced-motion: reduce) { .code-live .code-scroll { animation: none; } }
.eyebrow { color: var(--blue); font-weight: 600; letter-spacing: 2px; font-size: 0.8rem; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; line-height: 1.05; letter-spacing: -1.5px; margin-bottom: 22px; }
.hero p { font-size: 1.2rem; color: var(--text-dim); max-width: 620px; margin-bottom: 34px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 14px 30px; border-radius: 10px;
  font-weight: 600; font-size: 0.98rem; transition: all .2s; cursor: pointer;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue-light); }

/* ===== Section ===== */
section { padding: 80px 0; }
.section-head { margin-bottom: 52px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 14px; }
.section-head p { color: var(--text-dim); font-size: 1.1rem; max-width: 620px; }

/* ===== Grid & Cards ===== */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 30px; transition: all .25s;
}
.card:hover { background: var(--bg-card-hover); border-color: var(--blue); transform: translateY(-4px); }
.card .num { color: var(--blue); font-weight: 700; font-size: 0.9rem; margin-bottom: 14px; display: block; }
.card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--text-dim); font-size: 0.97rem; margin-bottom: 16px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 0.78rem; color: var(--blue-light); background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.25); padding: 4px 12px; border-radius: 20px; }

.result { color: var(--blue-light); font-weight: 600; font-size: 0.95rem; margin: 14px 0; display: inline-block; }

/* ===== Stats ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat { text-align: center; padding: 30px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; }
.stat .big { font-size: 2.6rem; font-weight: 800; color: var(--blue-light); }
.stat .lbl { color: var(--text-dim); font-size: 0.92rem; margin-top: 6px; }

/* ===== Contact rows ===== */
.contact-row { display: flex; align-items: center; gap: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 26px; margin-bottom: 16px; }
.contact-row .ico { width: 46px; height: 46px; border-radius: 10px; background: rgba(59,130,246,0.12); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.contact-row .lbl { color: var(--text-dim); font-size: 0.85rem; }
.contact-row .val { font-weight: 600; font-size: 1.05rem; }

/* ===== CTA band ===== */
.cta { text-align: center; background: linear-gradient(135deg, rgba(59,130,246,0.12), transparent); border: 1px solid var(--border); border-radius: 22px; padding: 60px 24px; }
.cta h2 { font-size: clamp(1.8rem,4vw,2.6rem); font-weight: 800; margin-bottom: 16px; }
.cta p { color: var(--text-dim); margin-bottom: 28px; }

/* ===== Form ===== */
.form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px; padding: 36px; max-width: 820px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; color: var(--text-dim); margin-bottom: 8px; font-weight: 500; }
.field .req { color: var(--blue-light); }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); padding: 13px 14px; font-size: 0.98rem; font-family: inherit;
  transition: border-color .2s; width: 100%;
}
.field input::placeholder, .field textarea::placeholder { color: #5c5c6a; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); }
.field select:disabled { opacity: 0.5; cursor: not-allowed; }
.field textarea { resize: vertical; }
.form-actions { margin-top: 26px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-actions .btn { border: none; }
.form-status { font-size: 0.95rem; margin: 0; }
.form-status.ok { color: var(--blue-light); }
.form-status.err { color: #f87171; }
.form-status a { color: var(--blue-light); text-decoration: underline; }

/* ===== Footer ===== */
footer { border-top: 1px solid var(--border); padding: 54px 0 30px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.foot-grid h4 { color: var(--blue); font-size: 0.8rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 16px; }
.foot-grid ul { list-style: none; }
.foot-grid li { margin-bottom: 10px; }
.foot-grid a { color: var(--text-dim); transition: color .2s; }
.foot-grid a:hover { color: var(--text); }
.foot-bottom { text-align: center; color: var(--text-dim); font-size: 0.88rem; border-top: 1px solid var(--border); padding-top: 24px; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero-grid { flex-direction: column; gap: 34px; }
  .hero-visual { width: 100%; order: 2; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: var(--bg); padding: 20px 24px; border-bottom: 1px solid var(--border); gap: 18px; }
}