/* ═══════════════════════════════════════════════════════════
   OSIANEK GUITARS — Premium CSS
   Dark Luthier Elegance Theme
   Colors: Deep Charcoal · Violet · Teal · Copper Gold
═══════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  --bg-deep:       #080810;
  --bg-dark:       #0D0D1A;
  --bg-card:       #12121F;
  --bg-card-hover: #1A1A2E;
  --border:        rgba(255,255,255,0.07);
  --border-accent: rgba(139, 58, 143, 0.4);

  --purple:        #9B3FA0;
  --purple-light:  #B96BBE;
  --purple-dark:   #6B2470;
  --teal:          #2DD4BF;
  --teal-dim:      rgba(45, 212, 191, 0.15);
  --gold:          #C9A84C;
  --gold-dim:      rgba(201, 168, 76, 0.15);

  --text-primary:  #F0EEF8;
  --text-secondary:#A09CB8;
  --text-muted:    #605C7A;

  --font-display:  'Cinzel', serif;
  --font-serif:    'Playfair Display', serif;
  --font-sans:     'Inter', sans-serif;

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-xl:     32px;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.5), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-glow:   0 0 40px rgba(155, 63, 160, 0.25);
  --shadow-teal:   0 0 40px rgba(45, 212, 191, 0.2);

  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height:    72px;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ─── Utility ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

.section {
  padding: clamp(80px, 12vw, 140px) 0;
  position: relative;
}

/* ─── Reveal Animations ─── */
@keyframes revealUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal-up {
  opacity: 0;
  animation: revealUp 0.9s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.fade-in-section {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── NAVBAR ─── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  text-decoration: none;
  transition: opacity var(--transition);
}

.nav-logo:hover { opacity: 0.8; }

.logo-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--purple), var(--teal));
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  font-family: var(--font-display);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color var(--transition);
  border-radius: var(--radius-sm);
}

.nav-link:hover { color: var(--text-primary); }

.nav-link.nav-cta {
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(155, 63, 160, 0.4);
}

.nav-link.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(155, 63, 160, 0.6);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero/hero_bg.jpg');
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.05);
  transition: transform 0.1s linear;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 70% at 50% 60%, rgba(8,8,16,0.3) 0%, rgba(8,8,16,0.75) 60%, rgba(8,8,16,0.95) 100%),
    linear-gradient(to bottom, rgba(8,8,16,0.4) 0%, transparent 30%, transparent 60%, rgba(8,8,16,0.9) 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0;
  animation: particleFloat var(--duration, 8s) ease-in-out var(--delay, 0s) infinite;
}

@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(100px) scale(0); }
  20%  { opacity: 0.6; }
  80%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-200px) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
  max-width: 820px;
  padding-top: var(--nav-height);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border: 1px solid var(--border-accent);
  border-radius: 40px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(155, 63, 160, 0.08);
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  margin-bottom: 28px;
  gap: 4px;
}

.hero-title-line {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 120px);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 0.95;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--purple-light) 0%, var(--teal) 60%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmer 5s linear infinite;
}

.hero-title-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(24px, 4vw, 48px);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 8px;
}

.hero-tagline {
  font-size: clamp(16px, 2vw, 22px);
  color: var(--text-secondary);
  font-style: italic;
  font-family: var(--font-serif);
  margin-bottom: 44px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 24px 40px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--text-primary), var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--purple), transparent);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(155, 63, 160, 0.4), 0 1px 0 rgba(255,255,255,0.1) inset;
}

.btn-primary::before {
  background: linear-gradient(135deg, var(--purple-light) 0%, var(--purple) 100%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(155, 63, 160, 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

.btn-ig {
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  color: #fff;
  box-shadow: 0 4px 20px rgba(131, 58, 180, 0.4);
}

.btn-ig:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(131, 58, 180, 0.6);
}

/* ─── SECTION HEADERS ─── */
.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 8vw, 80px);
}

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── GUITARS SECTION ─── */
.section-guitars {
  background: var(--bg-dark);
}

.section-guitars::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 9px 24px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: transparent;
  transition: all var(--transition);
  cursor: pointer;
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 16px rgba(155, 63, 160, 0.5);
}

/* Guitar Grid */
.guitars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.guitar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-slow);
  cursor: pointer;
}

.guitar-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.guitar-card-featured {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .guitar-card-featured { grid-column: span 1; }
}

.guitar-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #0a0a14;
}

.guitar-card-featured .guitar-img-wrap {
  aspect-ratio: 16/9;
}

.guitar-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.guitar-card:hover .guitar-img {
  transform: scale(1.06);
}

.guitar-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,16,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.guitar-card:hover .guitar-img-overlay { opacity: 1; }

.guitar-view-btn {
  padding: 10px 24px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transform: translateY(10px);
  transition: all var(--transition);
}

.guitar-card:hover .guitar-view-btn {
  transform: translateY(0);
}

.guitar-status-badge {
  position: absolute;
  top: 14px; right: 14px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guitar-status-badge.available {
  background: rgba(45, 212, 191, 0.15);
  color: var(--teal);
  border: 1px solid rgba(45, 212, 191, 0.3);
}

.guitar-status-badge.sold {
  background: rgba(255,255,255,0.07);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.guitar-number-badge {
  position: absolute;
  top: 14px; left: 14px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(8,8,16,0.7);
  color: var(--gold);
  border: 1px solid rgba(201, 168, 76, 0.3);
  backdrop-filter: blur(8px);
}

.guitar-body {
  padding: 24px;
}

.guitar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.guitar-year {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.guitar-price {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
}

.guitar-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.2;
}

.guitar-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.guitar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.guitar-tag {
  padding: 4px 10px;
  background: rgba(45, 212, 191, 0.08);
  border: 1px solid rgba(45, 212, 191, 0.15);
  border-radius: 20px;
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.05em;
}

/* Loading indicator */
.loading-indicator {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px;
  color: var(--text-muted);
}

.loading-spinner {
  width: 32px; height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ─── LIGHTBOX ─── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(4, 4, 8, 0.96);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  color: var(--text-secondary);
  font-size: 24px;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: all var(--transition);
  background: rgba(255,255,255,0.04);
}

.lightbox-close:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.1);
}

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 32px;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  transition: all var(--transition);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover, .lightbox-next:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.1);
  border-color: var(--purple);
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 0 80px;
  max-width: 900px;
  width: 100%;
}

.lightbox-img {
  max-height: 65vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 80px rgba(0,0,0,0.8);
}

.lightbox-info {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.lightbox-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.lightbox-thumb {
  width: 60px; height: 45px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0.5;
}

.lightbox-thumb.active {
  border-color: var(--purple);
  opacity: 1;
}

/* ─── PROCESS SECTION ─── */
.section-process {
  background: var(--bg-deep);
  position: relative;
}

.section-process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}

.process-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(155, 63, 160, 0.04), rgba(45, 212, 191, 0.04));
  opacity: 0;
  transition: opacity var(--transition);
}

.process-card:hover::before { opacity: 1; }

.process-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.process-step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  color: rgba(155, 63, 160, 0.12);
  line-height: 1;
  position: absolute;
  top: 16px; right: 20px;
  letter-spacing: -0.02em;
}

.process-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.process-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.process-title-en {
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.process-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ─── ABOUT SECTION ─── */
.section-about {
  background: var(--bg-dark);
}

.section-about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-img-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4/5;
}

.about-img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.about-img-accent {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(155, 63, 160, 0.15), transparent 50%, rgba(45, 212, 191, 0.1));
  pointer-events: none;
}

.about-signature {
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.signature-svg {
  width: 100%;
  height: 50px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.signature-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-text .section-label { text-align: left; display: block; }
.about-text .section-title { text-align: left; }

.about-bio {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 16px;
  margin-bottom: 28px;
}

.about-bio p { margin-bottom: 16px; }
.about-bio p:last-child { margin-bottom: 0; }

.about-philosophy {
  border-left: 3px solid var(--purple);
  padding: 16px 24px;
  background: rgba(155, 63, 160, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 32px;
}

/* ─── INSTAGRAM SECTION ─── */
.section-instagram {
  background: var(--bg-deep);
  padding: clamp(60px, 10vw, 100px) 0;
}

.instagram-cta-box {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 60px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.instagram-cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(131, 58, 180, 0.06), rgba(253, 29, 29, 0.04), rgba(252, 176, 69, 0.06));
  pointer-events: none;
}

.ig-icon {
  width: 64px; height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  border-radius: 18px;
  color: #fff;
}

.ig-icon svg {
  width: 32px; height: 32px;
}

.ig-text {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
}

/* ─── CONTACT SECTION ─── */
.section-contact {
  background: var(--bg-dark);
}

.section-contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}

.contact-info .section-label { display: block; text-align: left; }
.contact-info .section-title { text-align: left; }

.contact-intro {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 15px;
}

.contact-icon {
  font-size: 20px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-card);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: all var(--transition);
  outline: none;
  width: 100%;
  appearance: none;
}

.form-input:focus {
  border-color: var(--purple);
  background: rgba(155, 63, 160, 0.06);
  box-shadow: 0 0 0 3px rgba(155, 63, 160, 0.12);
}

.form-input::placeholder { color: var(--text-muted); }

.form-select { cursor: pointer; }
.form-select option { background: var(--bg-card); }

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.25);
  color: var(--teal);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #F87171;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--text-primary); }

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-img-frame {
    aspect-ratio: 16/9;
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(8, 8, 16, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open { display: flex; }

  .nav-link {
    padding: 14px 16px;
    font-size: 16px;
  }

  .nav-toggle { display: flex; }

  .hero-stats {
    gap: 20px;
    padding: 16px 24px;
    flex-wrap: wrap;
  }

  .stat-divider { display: none; }

  .process-grid { grid-template-columns: 1fr; }

  .guitars-grid {
    grid-template-columns: 1fr;
  }

  .lightbox-content { padding: 0 20px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }

  .contact-form { padding: 28px 24px; }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav { flex-wrap: wrap; }

  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 300px; justify-content: center; }
}

@media (max-width: 480px) {
  .hero-stats { justify-content: space-around; }
  .instagram-cta-box { padding: 40px 24px; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--purple-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple); }

/* ─── Selection ─── */
::selection {
  background: rgba(155, 63, 160, 0.35);
  color: var(--text-primary);
}