:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-2: #0b1624;
  --surface: #111d2d;
  --surface-2: #17253a;
  --line: rgba(190, 218, 255, 0.16);
  --line-strong: rgba(106, 218, 255, 0.34);
  --text: #f2f7fb;
  --muted: #b7c5d2;
  --cyan: #25d5ff;
  --cyan-2: #74e7ff;
  --gold: #f5b33e;
  --risk: #ff7557;
  --ok: #58d99b;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.34);
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; }
h1 { max-width: 860px; margin-bottom: 1rem; font-size: clamp(2.1rem, 5vw, 4.4rem); letter-spacing: -0.04em; }
h2 { margin-bottom: 0.75rem; font-size: clamp(1.55rem, 3vw, 2.25rem); }
h3 { margin-bottom: 0.55rem; font-size: 1.12rem; }
p { color: var(--muted); }

.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }

.skip-link {
  position: fixed;
  inset: 10px auto auto 10px;
  z-index: 200;
  transform: translateY(-140%);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  background: var(--cyan);
  color: #04101d;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(190, 218, 255, 0.12);
  background: rgba(5, 13, 24, 0.92);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 1.2rem; }
.brand { display: inline-flex; align-items: center; gap: 0.85rem; min-width: 0; }
.brand-logo {
  width: clamp(210px, 22vw, 310px);
  height: auto;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(37, 213, 255, 0.16));
}
.brand-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(116, 231, 255, 0.28);
  border-radius: 999px;
  background: rgba(37, 213, 255, 0.08);
  color: var(--cyan-2);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 0.45rem; }
.site-nav a {
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 750;
  white-space: nowrap;
}
.site-nav a:hover { background: rgba(37, 213, 255, 0.09); color: var(--text); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.78rem 1rem;
  border: 1px solid rgba(116, 231, 255, 0.56);
  border-radius: 8px;
  background: linear-gradient(135deg, #1abfe7, #58e4ff);
  color: #031321;
  font: inherit;
  font-weight: 850;
  line-height: 1.2;
  box-shadow: 0 14px 32px rgba(37, 213, 255, 0.18);
  cursor: pointer;
}
.button:hover { transform: translateY(-1px); }
.button-secondary { border-color: var(--line-strong); background: rgba(255, 255, 255, 0.04); color: var(--text); box-shadow: none; }
.button-copy { min-height: 44px; white-space: nowrap; }

.hero {
  position: relative;
  min-height: 660px;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 24%, rgba(37, 213, 255, 0.23), transparent 32%),
    radial-gradient(circle at 16% 78%, rgba(245, 179, 62, 0.12), transparent 28%),
    linear-gradient(135deg, #07111f 0%, #0b1624 52%, #07111f 100%);
}
.hero::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(rgba(116, 231, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 231, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 82%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2rem; align-items: center; padding-block: 4.2rem; }
.hero-copy { max-width: 760px; }
.eyebrow { color: var(--cyan-2); font-size: 0.82rem; font-weight: 850; text-transform: uppercase; letter-spacing: 0.08em; }
.lead { max-width: 730px; color: #d8e6f0; font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin-top: 1.35rem; }

.shortener-card, .feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 26, 43, 0.88);
  box-shadow: var(--shadow);
}
.shortener-card {
  justify-self: end;
  width: min(100%, 520px);
  padding: 1.15rem;
  border-color: var(--line-strong);
  background:
    linear-gradient(180deg, rgba(116, 231, 255, 0.08), rgba(255, 255, 255, 0.025)),
    rgba(13, 26, 43, 0.92);
}
.card-head { display: flex; gap: 0.8rem; align-items: flex-start; margin-bottom: 1rem; }
.card-head h2 { margin-bottom: 0.25rem; }
.card-head p { margin-bottom: 0; }
.status-dot {
  width: 0.8rem;
  height: 0.8rem;
  margin-top: 0.48rem;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--ok);
  box-shadow: 0 0 24px rgba(88, 217, 155, 0.65);
}

label { display: block; margin: 0 0 0.4rem; color: #d9e7f0; font-weight: 750; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #07111f;
  color: var(--text);
  padding: 0.8rem 0.85rem;
  font: inherit;
}
input:focus { border-color: var(--cyan-2); }
.shorten-form { display: grid; gap: 0.85rem; }
.keyword-row { display: grid; grid-template-columns: auto 1fr; align-items: center; border: 1px solid var(--line); border-radius: 8px; background: #07111f; }
.keyword-row span { padding-left: 0.85rem; color: var(--muted); font-weight: 800; }
.keyword-row input { border: 0; background: transparent; }
.form-note { margin: -0.25rem 0 0.2rem; font-size: 0.92rem; }
.security-note {
  margin: -0.25rem 0 0.2rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(245, 179, 62, 0.22);
  border-radius: 8px;
  background: rgba(245, 179, 62, 0.07);
  color: #e6d5b9;
  font-size: 0.88rem;
}
.submit-button { width: 100%; margin-top: 0.15rem; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.notice, .result-box {
  margin-bottom: 1rem;
  padding: 0.85rem;
  border-radius: 8px;
}
.notice-error { border: 1px solid rgba(255, 117, 87, 0.38); background: rgba(255, 117, 87, 0.1); color: #ffd7cf; }
.result-box { border: 1px solid rgba(88, 217, 155, 0.38); background: rgba(88, 217, 155, 0.09); }
.result-box span { display: block; margin-bottom: 0.55rem; color: var(--ok); font-weight: 850; }
.result-box small { display: block; margin-top: 0.55rem; color: var(--muted); overflow-wrap: anywhere; }
.copy-row { display: grid; grid-template-columns: 1fr auto; gap: 0.6rem; }

.section { padding-block: 3rem; background: var(--bg); }
.section-heading { max-width: 820px; margin-bottom: 1.35rem; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.feature-card { padding: 1rem; background: rgba(255, 255, 255, 0.035); }
.feature-card span { display: inline-flex; margin-bottom: 0.9rem; color: var(--gold); font-weight: 900; }
.feature-card p { margin-bottom: 0; }
.brand-stage-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(116, 231, 255, 0.1);
  border-bottom: 1px solid rgba(116, 231, 255, 0.1);
  background:
    radial-gradient(circle at 50% 10%, rgba(37, 213, 255, 0.16), transparent 34%),
    radial-gradient(circle at 18% 80%, rgba(245, 179, 62, 0.1), transparent 28%),
    #07111f;
}
.brand-stage {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding-block: clamp(2rem, 6vw, 4.4rem);
  text-align: center;
}
.brand-showcase {
  width: min(980px, 100%);
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid rgba(116, 231, 255, 0.2);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(116, 231, 255, 0.08), rgba(255, 255, 255, 0.025)),
    rgba(5, 13, 24, 0.78);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.35), 0 0 34px rgba(37, 213, 255, 0.08);
}
.brand-showcase-logo {
  width: min(820px, 100%);
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 0 24px rgba(37, 213, 255, 0.16));
}

.site-footer { border-top: 1px solid var(--line); background: #050d18; }
.footer-inner { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.footer-inner p { margin: 0; }
.footer-note { margin-top: 0.25rem !important; font-size: 0.9rem; color: var(--muted); }
.footer-inner nav { display: flex; gap: 1rem; }
.footer-inner a { color: var(--cyan-2); font-weight: 760; }

@media (max-width: 960px) {
  .site-nav { display: none; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 3rem; }
  .shortener-card { justify-self: stretch; width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container { width: min(100% - 24px, 1180px); }
  .header-inner { min-height: 68px; }
  .brand-logo { width: 185px; }
  .brand-chip { display: none; }
  .hero { min-height: auto; }
  .hero-actions, .copy-row { grid-template-columns: 1fr; display: grid; }
  .feature-grid { grid-template-columns: 1fr; }
  .keyword-row { grid-template-columns: 1fr; }
  .keyword-row span { padding: 0.75rem 0.85rem 0; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding-block: 1.2rem; }
}

.qr-panel {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 0.85rem;
  align-items: center;
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(88, 217, 155, 0.24);
}
.qr-canvas-wrap {
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  border: 1px solid rgba(190, 218, 255, 0.18);
  border-radius: 10px;
  background: #fff;
  padding: 0.45rem;
}
.qr-canvas-wrap svg {
  width: 116px;
  height: 116px;
  display: block;
  background: #ffffff;
  image-rendering: pixelated;
}
.qr-content strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text);
  font-size: 1rem;
}
.qr-content p {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
}
.button-download {
  min-height: 40px;
  padding: 0.62rem 0.82rem;
  font-size: 0.92rem;
}

@media (max-width: 620px) {
  .qr-panel { grid-template-columns: 1fr; }
  .qr-canvas-wrap { width: 152px; height: 152px; }
  .qr-canvas-wrap svg { width: 136px; height: 136px; }
}