/* ============================================================
   RBLD Vivo VST — vivo.css
   Page-specific styles. Builds on style.css variables.
   ============================================================ */

/* ==============================
   HERO
   ============================== */
#vivo-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 3rem) 1.5rem 5rem;
  overflow: hidden;
}

.vivo-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/vivo-promo-wide.png');
  background-size: cover;
  background-position: center 30%;
  z-index: 0;
  filter: brightness(0.22) saturate(0.7);
}

.vivo-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  max-width: 720px;
}

.vivo-hero-logo {
  height: 180px;
  mix-blend-mode: normal;
  filter: drop-shadow(0 0 28px rgba(0, 210, 255, 0.45));
  animation: logoPulse 4.5s ease-in-out infinite;
}

.vivo-hero-type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
}

.vivo-hero-tagline {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  background: linear-gradient(135deg, #f0e6cc 40%, var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vivo-hero-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.65;
}

.vivo-hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.btn-outline {
  display: inline-block;
  padding: 0.72rem 2.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.btn-outline:hover {
  border-color: rgba(255,170,0,0.35);
  color: var(--amber);
  background: rgba(255,170,0,0.05);
}

/* ==============================
   DEMOS
   ============================== */
#demos {
  background: linear-gradient(180deg, transparent, rgba(255,140,0,0.015) 50%, transparent);
}

.soundcloud-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #090909;
}

.soundcloud-credit {
  padding: 0.65rem 1rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: #090909;
  border-top: 1px solid var(--border);
}
.soundcloud-credit a {
  color: var(--amber);
  transition: text-shadow var(--t);
}
.soundcloud-credit a:hover { text-shadow: 0 0 8px rgba(255,170,0,0.5); }

/* ==============================
   CONCEPT
   ============================== */
#concept {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(255,140,0,0.012) 50%, transparent);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.concept-text .section-subtitle { margin-bottom: 1.5rem; }

.concept-text p {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.82;
  margin-bottom: 1.1rem;
}
.concept-text p:last-child { margin-bottom: 0; }
.concept-text strong { color: var(--text); font-weight: 600; }
.concept-text em     { color: var(--amber); font-style: normal; }

.concept-img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.concept-img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}
.concept-img-wrap:hover .concept-img { transform: scale(1.025); }

/* ==============================
   FEATURES
   ============================== */
#features {
  background: linear-gradient(180deg, transparent, rgba(200,80,0,0.015) 50%, transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  transition: border-color var(--t), box-shadow var(--t);
}
.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 20px rgba(255,140,0,0.06);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--amber);
  margin-bottom: 0.8rem;
  opacity: 0.8;
  line-height: 1;
}

.feature-card h3 {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.65rem;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.68;
}

/* ==============================
   DOWNLOAD
   ============================== */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.dl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: border-color var(--t), box-shadow var(--t);
}
.dl-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 20px rgba(255,140,0,0.07);
}

.dl-os-icon {
  width: 32px;
  height: 32px;
  color: var(--amber);
  opacity: 0.75;
}
.dl-os-icon svg { width: 100%; height: 100%; }

.dl-card h3 {
  font-family: var(--font-title);
  font-size: 0.87rem;
  font-weight: 700;
  color: var(--text);
}

.dl-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
}
.dl-specs li {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.dl-specs li::before { content: '— '; color: var(--amber); opacity: 0.5; }

.btn-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.7rem 1rem;
  background: rgba(255,170,0,0.07);
  border: 1px solid rgba(255,170,0,0.28);
  border-radius: 8px;
  color: var(--amber);
  text-align: center;
  font-family: var(--font-mono);
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
}
.btn-download:hover {
  background: rgba(255,170,0,0.13);
  border-color: var(--amber);
  box-shadow: 0 0 14px rgba(255,170,0,0.2);
}
.btn-download span:first-child {
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
.dl-filename {
  font-size: 0.62rem;
  color: var(--text-muted);
  opacity: 0.65;
}

/* Manuals row */
.manuals-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.manuals-label {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.btn-manual {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: border-color var(--t), color var(--t);
}
.btn-manual svg { width: 13px; height: 13px; flex-shrink: 0; }
.btn-manual:hover { border-color: rgba(255,170,0,0.3); color: var(--amber); }

.dl-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}
.dl-note a { color: var(--amber); }
.dl-note a:hover { text-decoration: underline; }

/* ==============================
   SYSTEM REQUIREMENTS
   ============================== */
#sysreq {
  background: linear-gradient(180deg, transparent, rgba(255,140,0,0.012) 50%, transparent);
}

.req-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.req-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.req-card h3 {
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 0.9rem;
  letter-spacing: 0.05em;
}
.req-card ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.req-card li {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.req-card li::before { content: '· '; color: var(--rust); }

.req-note {
  font-size: 0.81rem;
  color: var(--text-muted);
  border-left: 2px solid var(--border);
  padding-left: 1rem;
  line-height: 1.7;
}

/* ==============================
   FOOTER
   ============================== */
.vivo-footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 1.5rem;
}
.vivo-footer .footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  text-align: center;
}

.vivo-footer-logo {
  height: 55px;
  mix-blend-mode: screen;
  opacity: 0.88;
  filter: drop-shadow(0 0 14px rgba(0,210,255,0.35));
}

.vivo-footer-buy { display: flex; flex-direction: column; align-items: center; gap: 0.8rem; }
.vivo-footer-buy p {
  font-family: var(--font-title);
  font-size: 1.05rem;
  color: var(--text);
}

.footer-back {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  transition: color var(--t);
}
.footer-back:hover { color: var(--amber); }

.footer-copy {
  font-size: 0.73rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.footer-copy a { color: inherit; transition: color var(--t); }
.footer-copy a:hover { color: var(--amber); }

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 920px) {
  .features-grid  { grid-template-columns: repeat(2, 1fr); }
  .dl-grid        { grid-template-columns: repeat(2, 1fr); }
  .req-grid       { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .concept-grid   { grid-template-columns: 1fr; gap: 2rem; }
  .features-grid  { grid-template-columns: 1fr; }
  .dl-grid        { grid-template-columns: 1fr; }
  .req-grid       { grid-template-columns: 1fr; }
  .vivo-hero-ctas { flex-direction: column; align-items: stretch; }
  .vivo-hero-ctas a { text-align: center; }
}