/* ==========================================================================
   Phonara Studio — Shared site styles
   Loaded by every page (index, pricing, success, contact).
   Pages only need to add their own page-specific styles below the import line.
   ========================================================================== */

/* ── CSS Variable System ─────────────────────────────────── */
:root {
  --accent:       #3A6BC4;
  --accent-deep:  #1E3D7A;
  --accent-hover: #5585D8;
  --accent-text:  #FFFFFF;
  --accent-dim:   rgba(58,107,196,0.12);
  --accent-glow:  rgba(58,107,196,0.25);

  --bg-page:    #080810;
  --bg-card:    #0e0e1a;
  --bg-surface: #14141f;
  --bg-raised:  #1a1a2a;

  --text-primary:   #f0f0f8;
  --text-secondary: #9090b0;
  --text-tertiary:  #505068;

  --border:     rgba(255,255,255,0.07);
  --border-mid: rgba(255,255,255,0.12);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --font-display: 'EB Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;
}

body.light-mode {
  --bg-page:    #f4f4f0;
  --bg-card:    #ffffff;
  --bg-surface: #f0f0ec;
  --bg-raised:  #e8e8e4;
  --text-primary:   #141420;
  --text-secondary: #505060;
  --text-tertiary:  #909098;
  --border:     rgba(0,0,0,0.08);
  --border-mid: rgba(0,0,0,0.14);
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}
a { color: var(--accent); text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
::selection { background: var(--accent-dim); color: var(--text-primary); }

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
}

/* ── NAV ───────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 60px);
  background: rgba(8,8,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
body.light-mode #nav { background: rgba(244,244,240,0.88); }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 20px; font-weight: 500;
  color: var(--text-primary); letter-spacing: 0.01em;
}
.nav-logo-bars { display: flex; align-items: flex-end; gap: 2px; height: 22px; }
.nav-bar {
  width: 3px; border-radius: 2px;
  background: var(--accent);
  animation: nav-pulse 2s ease-in-out infinite alternate;
}
.nav-bar:nth-child(1) { height: 8px;  opacity: 0.5;  animation-delay: 0.0s; }
.nav-bar:nth-child(2) { height: 13px; opacity: 0.65; animation-delay: 0.2s; }
.nav-bar:nth-child(3) { height: 18px; opacity: 0.85; animation-delay: 0.1s; }
.nav-bar:nth-child(4) { height: 15px; opacity: 1.0;  animation-delay: 0.3s; }
.nav-bar:nth-child(5) { height: 10px; opacity: 0.75; animation-delay: 0.15s; }
.nav-bar:nth-child(6) { height: 6px;  opacity: 0.5;  animation-delay: 0.25s; }
@keyframes nav-pulse {
  0%   { transform: scaleY(0.6); }
  100% { transform: scaleY(1); }
}
.nav-logo-word { color: var(--text-primary); }
.nav-logo-sub {
  font-family: var(--font-body); font-size: 10px; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-left: 2px;
}

.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--text-primary); }

.nav-right { display: flex; align-items: center; gap: 12px; }

.nav-cta {
  padding: 8px 20px; border-radius: 100px;
  background: var(--accent); color: var(--accent-text);
  font-size: 13px; font-weight: 600; border: none;
  transition: background 0.15s, transform 0.15s;
  display: inline-block;
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }

.nav-settings-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg-raised); border: 1px solid var(--border-mid);
  color: var(--text-secondary); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.nav-settings-btn:hover { border-color: var(--accent); color: var(--accent); }

/* hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-secondary); border-radius: 2px;
  transition: all 0.2s;
}

/* ── Settings Panel ──────────────────────────────────────── */
#settings-panel {
  position: fixed; top: 0; right: -320px; bottom: 0; z-index: 200;
  width: 300px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-mid);
  padding: 24px 20px;
  overflow-y: auto;
  transition: right 0.35s cubic-bezier(0.22,1,0.36,1);
  box-shadow: -20px 0 60px rgba(0,0,0,0.4);
}
#settings-panel.open { right: 0; }
#settings-overlay {
  position: fixed; inset: 0; z-index: 199;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: none; opacity: 0;
  transition: opacity 0.3s;
}
#settings-overlay.open { display: block; opacity: 1; }

.sp-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.sp-title {
  font-family: var(--font-display); font-size: 18px;
  color: var(--text-primary);
}
.sp-close {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-raised); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 18px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.sp-close:hover { color: var(--text-primary); border-color: var(--border-mid); }

.sp-section-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-tertiary);
  margin-bottom: 10px;
}
.sp-divider { height: 1px; background: var(--border); margin: 20px 0; }

.sp-mode-row {
  display: flex; gap: 6px; margin-bottom: 20px;
}
.sp-mode-btn {
  flex: 1; padding: 8px; border-radius: 8px;
  background: var(--bg-surface); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 12px; font-weight: 600;
  transition: all 0.15s;
}
.sp-mode-btn.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.sp-swatches {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.sp-swatch {
  aspect-ratio: 1; border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer; transition: transform 0.15s, border-color 0.15s;
  position: relative;
}
.sp-swatch:hover { transform: scale(1.08); }
.sp-swatch.active { border-color: white; }
.sp-swatch-label {
  font-size: 9px; text-align: center; margin-top: 4px;
  color: var(--text-tertiary); letter-spacing: 0.04em;
}

/* ── Mobile nav drawer ───────────────────────────────────── */
#mobile-nav {
  position: fixed; inset: 0; z-index: 150;
  background: var(--bg-card);
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1);
  padding: 24px;
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto;
}
#mobile-nav.open { transform: translateX(0); }
.mobile-nav-header { display: flex; justify-content: flex-end; margin-bottom: 16px; }
.mobile-nav-link {
  display: block; padding: 14px 16px;
  font-size: 18px; font-weight: 500; color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}
.mobile-nav-link:hover { color: var(--accent); }
.mobile-nav-link.active { color: var(--accent); }

/* ── Footer (shared) ─────────────────────────────────────── */
footer {
  padding: 32px clamp(20px,6vw,80px);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  position: relative;
  z-index: 1;
}
.footer-logo { font-family: var(--font-display); font-size: 16px; color: var(--text-primary); }
.footer-copy {
  display: flex; flex-direction: column; gap: 2px;
  font-size: 12px; color: var(--text-tertiary);
}
.footer-copy .footer-copy-primary { color: var(--text-secondary); font-weight: 500; }
.footer-copy .footer-copy-sub    { font-size: 11px; color: var(--text-tertiary); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 12px; color: var(--text-tertiary); transition: color 0.15s; }
.footer-links a:hover { color: var(--accent); }

/* ── Scroll reveal ───────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1),
              transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 600px) {
  .footer-copy { width: 100%; order: 3; }
  .footer-links { width: 100%; justify-content: flex-start; order: 2; }
  .footer-logo { order: 1; }
}