/* ===== MOMTECH Landing — Futuristic Tech ===== */
:root {
  --bg: #060913;
  --bg-soft: #0b1020;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8ecf5;
  --muted: #8a93a8;
  --primary: #4f8cff;
  --accent: #00e5c7;
  --violet: #9b6bff;
  --grad: linear-gradient(120deg, #4f8cff 0%, #00e5c7 50%, #9b6bff 100%);
  --radius: 18px;
  --maxw: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .brand__name { font-family: "Space Grotesk", sans-serif; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ===== Background FX ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-glow {
  position: fixed; z-index: -1; border-radius: 50%;
  filter: blur(120px); opacity: 0.5; pointer-events: none;
}
.glow-1 { width: 520px; height: 520px; background: #1f4fff; top: -160px; left: -120px; animation: float 14s ease-in-out infinite; }
.glow-2 { width: 480px; height: 480px; background: #00e5c7; top: 20%; right: -160px; animation: float 18s ease-in-out infinite reverse; }
@keyframes float { 0%,100% { transform: translateY(0) } 50% { transform: translateY(40px) } }

/* ===== Nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 9, 19, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; }
.brand__mark { color: var(--accent); filter: drop-shadow(0 0 8px var(--accent)); }
.brand__name span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta {
  color: var(--text) !important; padding: 9px 18px; border: 1px solid var(--border);
  border-radius: 999px; background: var(--surface);
}
.nav__cta:hover { border-color: var(--primary); box-shadow: 0 0 18px rgba(79,140,255,.3); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ===== Hero ===== */
.hero { position: relative; padding: 170px 0 110px; text-align: center; }
.hero__inner { display: flex; flex-direction: column; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500;
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--muted); margin-bottom: 28px;
}
.hero__title { font-size: clamp(2.3rem, 6vw, 4.4rem); line-height: 1.08; font-weight: 700; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { max-width: 620px; color: var(--muted); font-size: clamp(1rem, 2.4vw, 1.2rem); margin: 24px 0 36px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s; cursor: pointer;
}
.btn--primary { background: var(--grad); color: #04121f; box-shadow: 0 8px 30px rgba(79,140,255,.35); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(0,229,199,.4); }
.btn--ghost { background: var(--surface); border: 1px solid var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--primary); transform: translateY(-3px); }

.hero__stats { display: flex; gap: 50px; margin-top: 64px; flex-wrap: wrap; justify-content: center; }
.stat { text-align: center; }
.stat b { display: block; font-family: "Space Grotesk"; font-size: 2.4rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: 14px; }

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section--alt { background: linear-gradient(180deg, transparent, var(--bg-soft) 50%, transparent); }
.section__head { margin-bottom: 44px; }
.eyebrow { font-family: "Space Grotesk"; color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: .05em; }
.section__head h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-top: 10px; }
.lead { max-width: 760px; color: var(--muted); font-size: 1.15rem; }

/* ===== Products ===== */
.products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.product-card {
  position: relative; padding: 32px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--surface); overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.product-card::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .3s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.product-card:hover::before { opacity: 1; }
.product-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.product-card__logo {
  font-family: "Space Grotesk"; font-weight: 700; font-size: 1.5rem; padding: 10px 16px;
  border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid var(--border);
}
.logo--metu span { color: var(--primary); }
.logo--goalf span { color: var(--accent); }
.product-card__url { color: var(--muted); font-size: 13px; }
.product-card h3 { font-size: 1.6rem; margin-bottom: 10px; }
.product-card p { color: var(--muted); margin-bottom: 18px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; list-style: none; margin-bottom: 22px; }
.tags li { font-size: 12px; padding: 5px 12px; border-radius: 999px; background: rgba(255,255,255,.04); border: 1px solid var(--border); color: var(--muted); }
.product-card__link { font-weight: 600; color: var(--primary); transition: gap .2s; }
.product-card__link:hover { color: var(--accent); }

/* ===== Features ===== */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { padding: 28px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: transform .3s, border-color .3s; }
.feature:hover { transform: translateY(-5px); border-color: var(--primary); }
.feature__icon { font-size: 1.8rem; margin-bottom: 14px; }
.feature h4 { font-size: 1.1rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; }

/* ===== CTA ===== */
.cta {
  text-align: center; padding: 70px 30px; border-radius: 28px;
  border: 1px solid var(--border);
  background: radial-gradient(ellipse at top, rgba(79,140,255,.14), transparent 70%), var(--bg-soft);
}
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.cta p { color: var(--muted); margin-bottom: 30px; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--border); padding: 44px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer__links { display: flex; gap: 26px; }
.footer__links a { color: var(--muted); font-size: 14px; transition: color .2s; }
.footer__links a:hover { color: var(--text); }
.footer__copy { color: var(--muted); font-size: 13px; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .products, .features { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .nav__links { position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(6,9,19,.97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border);
    padding: 10px 0; transform: translateY(-120%); transition: transform .35s; }
  .nav__links.open { transform: none; }
  .nav__links a { width: 100%; padding: 14px 24px; }
  .nav__cta { margin: 10px 24px; text-align: center; }
  .nav__toggle { display: flex; }
  .hero__stats { gap: 34px; }
}
@media (max-width: 520px) {
  .features { grid-template-columns: 1fr; }
  .hero { padding-top: 140px; }
}