/* PRUHUB /go — one-screen connect plate */
:root {
  --bg: #08090b;
  --red: #f12632;
  --text: #f5f6f7;
  --muted: #969ba5;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body.go-page {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 70% -10%, rgba(241, 38, 50, 0.18), transparent 55%),
    radial-gradient(ellipse 55% 40% at 8% 70%, rgba(163, 15, 27, 0.12), transparent 50%),
    linear-gradient(180deg, #08090b 0%, #0a0c10 55%, #08090b 100%);
}

.page-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 15%, transparent 75%);
  pointer-events: none;
}

.go-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(100% - 32px, 560px);
  margin: 0 auto;
  padding: 20px 0 0;
}

.go-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.go-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.go-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}

.go-main {
  width: min(100% - 32px, 560px);
  margin: 0 auto;
  min-height: calc(100dvh - 76px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 0 64px;
  animation: go-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.go-brand-hero {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 9vw, 3.6rem);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 18px;
  background: linear-gradient(120deg, #fff 20%, #ff8a90 55%, var(--red) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: go-brand 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}

.go-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 5.2vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  max-width: 18ch;
}

.line-accent {
  color: var(--red);
}

.go-lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 34ch;
  margin-bottom: 28px;
  animation: go-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
}

.go-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  animation: go-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  border-radius: 14px;
  font-weight: 700;
  font-family: var(--font-body);
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s, border-color 0.2s, color 0.2s;
  text-align: center;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 10px 32px rgba(241, 38, 50, 0.4);
}

.btn-primary:hover {
  background: #ff3340;
  box-shadow: 0 12px 36px rgba(241, 38, 50, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: none;
}

.btn-ghost:hover {
  border-color: rgba(241, 38, 50, 0.55);
  color: #fff;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 1.05rem;
  min-width: min(100%, 280px);
}

.go-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--muted);
  animation: go-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.28s both;
}

.lang-flags {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.lang-flag-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: 999px;
  padding: 6px 10px;
  min-height: 34px;
  transition: background 0.15s, color 0.15s;
}

.lang-flag-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.lang-flag-btn.is-active {
  color: var(--text);
  background: rgba(241, 38, 50, 0.18);
}

.lang-flag-img {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  object-fit: cover;
}

.lang-flag-code {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

@keyframes go-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes go-brand {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 480px) {
  .lang-flag-code {
    display: none;
  }

  .lang-flag-btn {
    min-width: 34px;
    padding: 0 8px;
    justify-content: center;
  }

  .go-cta {
    width: 100%;
  }

  .btn-lg {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .go-main,
  .go-brand-hero,
  .go-lead,
  .go-cta,
  .go-note {
    animation: none;
  }
}