/* ================================================
   SPL Audio Professional — Modern Redesign
   Dark Elegant Theme with Gold Accent
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Bebas+Neue&display=swap');

/* ── CSS Variables ─────────────────────────────── */
:root {
  --bg-primary:    #09090f;
  --bg-surface:    #111118;
  --bg-card:       #16161f;
  --bg-glass:      rgba(255,255,255,0.04);
  --border-glass:  rgba(255,255,255,0.08);
  --border-accent: rgba(232,160,32,0.35);

  --gold:          #e8a020;
  --gold-light:    #f5c050;
  --gold-dim:      rgba(232,160,32,0.15);

  --text-primary:  #f0f0f5;
  --text-muted:    #7878a0;
  --text-dim:      #4a4a6a;

  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     22px;

  --shadow-glow:   0 0 40px rgba(232,160,32,0.12);
  --shadow-card:   0 4px 30px rgba(0,0,0,0.5);

  --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font-body:     'Inter', sans-serif;
  --font-display:  'Bebas Neue', sans-serif;
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; outline: none; }

/* ── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 10px; }

/* ── Selection ─────────────────────────────────── */
::selection { background: var(--gold-dim); color: var(--gold-light); }

/* ── Navbar ────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(9,9,15,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(9,9,15,0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  color: #0a0a0f;
  font-family: var(--font-display);
  letter-spacing: 0;
  flex-shrink: 0;
}
.nav-logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo .logo-text span:first-child {
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  font-size: 1.15rem;
  color: var(--text-primary);
}
.nav-logo .logo-text span:last-child {
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  font-weight: 500;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}
.nav-links a {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-glass);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: 0.6em; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-card);
  flex-direction: column;
  gap: 2px;
}
.nav-dropdown:hover .dropdown-menu { display: flex; }
.dropdown-menu a {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.dropdown-menu a:hover { color: var(--gold); background: var(--gold-dim); }

.nav-cta {
  padding: 8px 20px !important;
  background: linear-gradient(135deg, var(--gold), #c87820) !important;
  color: #09090f !important;
  font-weight: 600 !important;
  border-radius: var(--radius-sm) !important;
  letter-spacing: 0.06em !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(232,160,32,0.35) !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none;
  padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Page Header (inner pages) ─────────────────── */
.page-header {
  padding: 140px 2rem 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(232,160,32,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: 0.1em;
  line-height: 1;
  margin-bottom: 1rem;
}
.page-header h1 em { color: var(--gold); font-style: normal; }
.page-header p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}
.breadcrumb {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--gold-dim); }

/* ── Section Base ──────────────────────────────── */
section { padding: 80px 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.section-label::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.08em;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.section-title em { color: var(--gold); font-style: normal; }
.section-desc {
  color: var(--text-muted);
  max-width: 540px;
  font-size: 0.95rem;
  line-height: 1.7;
}
.text-center { text-align: center; }
.text-center .section-label { justify-content: center; }
.text-center .section-label::before { display: none; }
.text-center .section-label::after {
  content: '';
  width: 24px; height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.text-center .section-desc { margin: 0 auto; }

/* ── Buttons ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #c87820);
  color: #09090f;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,160,32,0.4);
}
.btn-outline {
  border: 1px solid var(--border-accent);
  color: var(--gold);
  background: transparent;
}
.btn-outline:hover {
  background: var(--gold-dim);
  border-color: var(--gold);
}
.btn-glass {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.15); }

/* ── Cards ─────────────────────────────────────── */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}
.glass-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* ── Divider ───────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-glass), transparent);
  margin: 0;
}

/* ── Footer ────────────────────────────────────── */
footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-glass);
  padding: 60px 2rem 30px;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-glass);
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-top: 1rem;
  max-width: 280px;
}
.footer-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 1rem; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; }
.contact-icon {
  width: 34px; height: 34px; flex-shrink: 0;
  background: var(--gold-dim);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.contact-info { display: flex; flex-direction: column; }
.contact-info span:first-child {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.contact-info a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.contact-info a:hover { color: var(--gold); }
.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 32px; height: 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.social-link:hover { background: var(--gold-dim); border-color: var(--border-accent); color: var(--gold); }

/* ── Animations ────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes soundwave {
  0%,100% { height: 8px; }
  50%      { height: 28px; }
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
.fade-up   { animation: fadeUp 0.7s ease forwards; }
.fade-in   { animation: fadeIn 0.7s ease forwards; }
[data-aos] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }

/* ── Mobile nav ────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0; bottom: 0;
  background: rgba(9,9,15,0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  padding: 2rem;
  gap: 0.5rem;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--gold); background: var(--gold-dim); }
.mobile-nav-divider {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 12px 16px 4px;
}

/* ── Utility ───────────────────────────────────── */
.gold { color: var(--gold); }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ── Responsive ────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  section { padding: 60px 1.25rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}
@media (max-width: 480px) {
  .navbar { padding: 0 1.25rem; }
}