/* ==========================================================================
   GOVINDRAJ WATCH & MEN ACCESSORIES SHOP - MAIN DESIGN SYSTEM (style.css)
   Includes 20 Luxury Theme Variables, Glassmorphism, Animations, SEO & Layout
   ========================================================================== */

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

/* --------------------------------------------------------------------------
   1. COLOR THEMES SYSTEM (20 Luxury Themes + Dark Mode Support)
   -------------------------------------------------------------------------- */
:root, [data-theme="luxury-purple"], [data-theme="luxury-gold"] {
  --primary-rgb: 99, 102, 241;
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #f3e8ff;
  --accent-color: #8b5cf6;
  --bg-primary: #ffffff;
  --bg-secondary: #f6f3ff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(99, 102, 241, 0.15);
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-color: rgba(99, 102, 241, 0.12);
  --shadow-glow: 0 10px 35px rgba(99, 102, 241, 0.15);
  --gradient-hero: linear-gradient(180deg, #ffffff 0%, #f4eeff 50%, #eae0fd 100%);
  --badge-bg: linear-gradient(135deg, #6366f1, #8b5cf6);
}

[data-mode="dark"] {
  --primary-rgb: 139, 92, 246;
  --primary-color: #a78bfa;
  --primary-dark: #7c3aed;
  --primary-light: #311b92;
  --accent-color: #c084fc;
  --bg-primary: #0b0c16;
  --bg-secondary: #131427;
  --bg-glass: rgba(19, 20, 39, 0.85);
  --glass-border: rgba(167, 139, 250, 0.25);
  --card-bg: rgba(23, 25, 48, 0.9);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: rgba(167, 139, 250, 0.15);
  --shadow-glow: 0 10px 30px rgba(167, 139, 250, 0.2);
  --gradient-hero: linear-gradient(180deg, #0b0c16 0%, #16122d 50%, #211942 100%);
  --badge-bg: linear-gradient(135deg, #7c3aed, #8b5cf6);
}

[data-theme="black-gold"] {
  --primary-rgb: 255, 215, 0;
  --primary-color: #ffd700;
  --primary-dark: #b89600;
  --primary-light: #fff3b3;
  --accent-color: #e6c200;
  --bg-primary: #000000;
  --bg-secondary: #111111;
  --bg-glass: rgba(15, 15, 15, 0.85);
  --glass-border: rgba(255, 215, 0, 0.3);
  --card-bg: rgba(20, 20, 20, 0.9);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border-color: rgba(255, 215, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(255, 215, 0, 0.3);
  --gradient-hero: linear-gradient(135deg, #000000, #1a1a00);
  --badge-bg: linear-gradient(135deg, #ffd700, #998000);
}

[data-theme="royal-blue"] {
  --primary-rgb: 37, 99, 235;
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #bfdbfe;
  --accent-color: #60a5fa;
  --bg-primary: #080e1a;
  --bg-secondary: #0f172a;
  --bg-glass: rgba(15, 23, 42, 0.8);
  --glass-border: rgba(37, 99, 235, 0.3);
  --card-bg: rgba(30, 41, 59, 0.85);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.3);
  --gradient-hero: linear-gradient(135deg, #080e1a, #1e3a8a);
  --badge-bg: linear-gradient(135deg, #2563eb, #1d4ed8);
}

[data-theme="emerald-green"] {
  --primary-rgb: 16, 185, 129;
  --primary-color: #10b981;
  --primary-dark: #047857;
  --primary-light: #a7f3d0;
  --accent-color: #34d399;
  --bg-primary: #04120e;
  --bg-secondary: #064e3b;
  --bg-glass: rgba(6, 78, 59, 0.7);
  --glass-border: rgba(16, 185, 129, 0.3);
  --card-bg: rgba(6, 40, 32, 0.85);
  --text-primary: #ecfdf5;
  --text-secondary: #a7f3d0;
  --text-muted: #6ee7b7;
  --border-color: rgba(16, 185, 129, 0.2);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.3);
  --gradient-hero: linear-gradient(135deg, #04120e, #064e3b);
  --badge-bg: linear-gradient(135deg, #10b981, #047857);
}

[data-theme="crimson-red"] {
  --primary-rgb: 225, 29, 72;
  --primary-color: #e11d48;
  --primary-dark: #be123c;
  --primary-light: #fecdd3;
  --accent-color: #fb7185;
  --bg-primary: #140509;
  --bg-secondary: #280a12;
  --bg-glass: rgba(40, 10, 18, 0.8);
  --glass-border: rgba(225, 29, 72, 0.3);
  --card-bg: rgba(35, 12, 20, 0.85);
  --text-primary: #fff1f2;
  --text-secondary: #fecdd3;
  --text-muted: #fda4af;
  --border-color: rgba(225, 29, 72, 0.2);
  --shadow-glow: 0 0 25px rgba(225, 29, 72, 0.3);
  --gradient-hero: linear-gradient(135deg, #140509, #881337);
  --badge-bg: linear-gradient(135deg, #e11d48, #be123c);
}

[data-theme="ocean-blue"] {
  --primary-rgb: 6, 182, 212;
  --primary-color: #06b6d4;
  --primary-dark: #0e7490;
  --primary-light: #cffaff;
  --accent-color: #22d3ee;
  --bg-primary: #041217;
  --bg-secondary: #082f49;
  --bg-glass: rgba(8, 47, 73, 0.8);
  --glass-border: rgba(6, 182, 212, 0.3);
  --card-bg: rgba(12, 40, 58, 0.85);
  --text-primary: #ecfeff;
  --text-secondary: #a5f3fc;
  --text-muted: #67e8f9;
  --border-color: rgba(6, 182, 212, 0.2);
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.3);
  --gradient-hero: linear-gradient(135deg, #041217, #164e63);
  --badge-bg: linear-gradient(135deg, #06b6d4, #0891b2);
}

[data-theme="purple"] {
  --primary-rgb: 147, 51, 234;
  --primary-color: #9333ea;
  --primary-dark: #7e22ce;
  --primary-light: #f3e8ff;
  --accent-color: #c084fc;
  --bg-primary: #0e0517;
  --bg-secondary: #2e1065;
  --bg-glass: rgba(46, 16, 101, 0.8);
  --glass-border: rgba(147, 51, 234, 0.3);
  --card-bg: rgba(35, 15, 65, 0.85);
  --text-primary: #faf5ff;
  --text-secondary: #e9d5ff;
  --text-muted: #d8b4fe;
  --border-color: rgba(147, 51, 234, 0.2);
  --shadow-glow: 0 0 25px rgba(147, 51, 234, 0.3);
  --gradient-hero: linear-gradient(135deg, #0e0517, #581c87);
  --badge-bg: linear-gradient(135deg, #9333ea, #7e22ce);
}

[data-theme="orange"] {
  --primary-rgb: 249, 115, 22;
  --primary-color: #f97316;
  --primary-dark: #c2410c;
  --primary-light: #ffedd5;
  --accent-color: #fb923c;
  --bg-primary: #140803;
  --bg-secondary: #431407;
  --bg-glass: rgba(67, 20, 7, 0.8);
  --glass-border: rgba(249, 115, 22, 0.3);
  --card-bg: rgba(45, 18, 10, 0.85);
  --text-primary: #fff7ed;
  --text-secondary: #fed7aa;
  --text-muted: #fdba74;
  --border-color: rgba(249, 115, 22, 0.2);
  --shadow-glow: 0 0 25px rgba(249, 115, 22, 0.3);
  --gradient-hero: linear-gradient(135deg, #140803, #7c2d12);
  --badge-bg: linear-gradient(135deg, #f97316, #ea580c);
}

[data-theme="indigo"] {
  --primary-rgb: 79, 70, 229;
  --primary-color: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #e0e7ff;
  --accent-color: #818cf8;
  --bg-primary: #080918;
  --bg-secondary: #1e1b4b;
  --bg-glass: rgba(30, 27, 75, 0.8);
  --glass-border: rgba(79, 70, 229, 0.3);
  --card-bg: rgba(25, 25, 60, 0.85);
  --text-primary: #eef2ff;
  --text-secondary: #c7d2fe;
  --text-muted: #a5b4fc;
  --border-color: rgba(79, 70, 229, 0.2);
  --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.3);
  --gradient-hero: linear-gradient(135deg, #080918, #312e81);
  --badge-bg: linear-gradient(135deg, #4f46e5, #3730a3);
}

[data-theme="teal"] {
  --primary-rgb: 20, 184, 166;
  --primary-color: #14b8a6;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --accent-color: #2dd4bf;
  --bg-primary: #031210;
  --bg-secondary: #134e4a;
  --bg-glass: rgba(19, 78, 74, 0.8);
  --glass-border: rgba(20, 184, 166, 0.3);
  --card-bg: rgba(10, 45, 42, 0.85);
  --text-primary: #f0fdfa;
  --text-secondary: #99f6e4;
  --text-muted: #5eead4;
  --border-color: rgba(20, 184, 166, 0.2);
  --shadow-glow: 0 0 25px rgba(20, 184, 166, 0.3);
  --gradient-hero: linear-gradient(135deg, #031210, #115e59);
  --badge-bg: linear-gradient(135deg, #14b8a6, #0d9488);
}

[data-theme="rose-pink"] {
  --primary-rgb: 244, 63, 94;
  --primary-color: #f43f5e;
  --primary-dark: #be123c;
  --primary-light: #ffe4e6;
  --accent-color: #fb7185;
  --bg-primary: #170409;
  --bg-secondary: #4c0519;
  --bg-glass: rgba(76, 5, 25, 0.8);
  --glass-border: rgba(244, 63, 94, 0.3);
  --card-bg: rgba(45, 10, 25, 0.85);
  --text-primary: #fff1f2;
  --text-secondary: #fecdd3;
  --text-muted: #fda4af;
  --border-color: rgba(244, 63, 94, 0.2);
  --shadow-glow: 0 0 25px rgba(244, 63, 94, 0.3);
  --gradient-hero: linear-gradient(135deg, #170409, #881337);
  --badge-bg: linear-gradient(135deg, #f43f5e, #e11d48);
}

[data-theme="cyan"] {
  --primary-rgb: 14, 165, 233;
  --primary-color: #0ea5e9;
  --primary-dark: #0369a1;
  --primary-light: #e0f2fe;
  --accent-color: #38bdf8;
  --bg-primary: #031017;
  --bg-secondary: #0c4a6e;
  --bg-glass: rgba(12, 74, 110, 0.8);
  --glass-border: rgba(14, 165, 233, 0.3);
  --card-bg: rgba(10, 45, 65, 0.85);
  --text-primary: #f0f9ff;
  --text-secondary: #bae6fd;
  --text-muted: #7dd3fc;
  --border-color: rgba(14, 165, 233, 0.2);
  --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.3);
  --gradient-hero: linear-gradient(135deg, #031017, #075985);
  --badge-bg: linear-gradient(135deg, #0ea5e9, #0284c7);
}

[data-theme="deep-grey"] {
  --primary-rgb: 148, 163, 184;
  --primary-color: #94a3b8;
  --primary-dark: #475569;
  --primary-light: #f1f5f9;
  --accent-color: #cbd5e1;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-glass: rgba(30, 41, 59, 0.85);
  --glass-border: rgba(148, 163, 184, 0.3);
  --card-bg: rgba(30, 41, 59, 0.9);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.2);
  --shadow-glow: 0 0 25px rgba(148, 163, 184, 0.25);
  --gradient-hero: linear-gradient(135deg, #0f172a, #334155);
  --badge-bg: linear-gradient(135deg, #64748b, #475569);
}

[data-theme="forest-green"] {
  --primary-rgb: 34, 197, 94;
  --primary-color: #22c55e;
  --primary-dark: #15803d;
  --primary-light: #dcfce7;
  --accent-color: #4ade80;
  --bg-primary: #05140a;
  --bg-secondary: #14532d;
  --bg-glass: rgba(20, 83, 45, 0.8);
  --glass-border: rgba(34, 197, 94, 0.3);
  --card-bg: rgba(10, 45, 25, 0.85);
  --text-primary: #f0fdf4;
  --text-secondary: #bbf7d0;
  --text-muted: #86efac;
  --border-color: rgba(34, 197, 94, 0.2);
  --shadow-glow: 0 0 25px rgba(34, 197, 94, 0.3);
  --gradient-hero: linear-gradient(135deg, #05140a, #166534);
  --badge-bg: linear-gradient(135deg, #22c55e, #16a34a);
}

[data-theme="chocolate-brown"] {
  --primary-rgb: 217, 119, 6;
  --primary-color: #d97706;
  --primary-dark: #b45309;
  --primary-light: #fef3c7;
  --accent-color: #f59e0b;
  --bg-primary: #190e05;
  --bg-secondary: #451a03;
  --bg-glass: rgba(69, 26, 3, 0.8);
  --glass-border: rgba(217, 119, 6, 0.3);
  --card-bg: rgba(45, 20, 8, 0.85);
  --text-primary: #fffbeb;
  --text-secondary: #fde68a;
  --text-muted: #fcd34d;
  --border-color: rgba(217, 119, 6, 0.2);
  --shadow-glow: 0 0 25px rgba(217, 119, 6, 0.3);
  --gradient-hero: linear-gradient(135deg, #190e05, #78350f);
  --badge-bg: linear-gradient(135deg, #d97706, #b45309);
}

[data-theme="midnight-blue"] {
  --primary-rgb: 59, 130, 246;
  --primary-color: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent-color: #60a5fa;
  --bg-primary: #030712;
  --bg-secondary: #111827;
  --bg-glass: rgba(17, 24, 39, 0.85);
  --glass-border: rgba(59, 130, 246, 0.3);
  --card-bg: rgba(17, 24, 39, 0.9);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border-color: rgba(59, 130, 246, 0.2);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.3);
  --gradient-hero: linear-gradient(135deg, #030712, #1f2937);
  --badge-bg: linear-gradient(135deg, #3b82f6, #2563eb);
}

[data-theme="silver"] {
  --primary-rgb: 226, 232, 240;
  --primary-color: #e2e8f0;
  --primary-dark: #94a3b8;
  --primary-light: #ffffff;
  --accent-color: #f8fafc;
  --bg-primary: #0a0e17;
  --bg-secondary: #161e2e;
  --bg-glass: rgba(22, 30, 46, 0.85);
  --glass-border: rgba(226, 232, 240, 0.3);
  --card-bg: rgba(25, 35, 52, 0.85);
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: rgba(226, 232, 240, 0.2);
  --shadow-glow: 0 0 25px rgba(255, 255, 255, 0.2);
  --gradient-hero: linear-gradient(135deg, #0a0e17, #1e293b);
  --badge-bg: linear-gradient(135deg, #cbd5e1, #64748b);
}

[data-theme="maroon"] {
  --primary-rgb: 159, 18, 57;
  --primary-color: #9f1239;
  --primary-dark: #881337;
  --primary-light: #ffe4e6;
  --accent-color: #e11d48;
  --bg-primary: #120307;
  --bg-secondary: #380717;
  --bg-glass: rgba(56, 7, 23, 0.8);
  --glass-border: rgba(159, 18, 57, 0.3);
  --card-bg: rgba(40, 8, 18, 0.85);
  --text-primary: #fff1f2;
  --text-secondary: #fecdd3;
  --text-muted: #fda4af;
  --border-color: rgba(159, 18, 57, 0.2);
  --shadow-glow: 0 0 25px rgba(159, 18, 57, 0.3);
  --gradient-hero: linear-gradient(135deg, #120307, #4c0519);
  --badge-bg: linear-gradient(135deg, #9f1239, #881337);
}

[data-theme="coral"] {
  --primary-rgb: 244, 114, 182;
  --primary-color: #fb7185;
  --primary-dark: #e11d48;
  --primary-light: #ffe4e6;
  --accent-color: #fda4af;
  --bg-primary: #16060c;
  --bg-secondary: #4c0519;
  --bg-glass: rgba(76, 5, 25, 0.8);
  --glass-border: rgba(251, 113, 133, 0.3);
  --card-bg: rgba(45, 12, 22, 0.85);
  --text-primary: #fff1f2;
  --text-secondary: #fecdd3;
  --text-muted: #fda4af;
  --border-color: rgba(251, 113, 133, 0.2);
  --shadow-glow: 0 0 25px rgba(251, 113, 133, 0.3);
  --gradient-hero: linear-gradient(135deg, #16060c, #881337);
  --badge-bg: linear-gradient(135deg, #fb7185, #e11d48);
}

[data-theme="dark-mode"] {
  --primary-rgb: 203, 213, 225;
  --primary-color: #cbd5e1;
  --primary-dark: #64748b;
  --primary-light: #f8fafc;
  --accent-color: #38bdf8;
  --bg-primary: #030712;
  --bg-secondary: #0b0f19;
  --bg-glass: rgba(11, 15, 25, 0.9);
  --glass-border: rgba(255, 255, 255, 0.15);
  --card-bg: rgba(17, 24, 39, 0.95);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 20px rgba(255, 255, 255, 0.1);
  --gradient-hero: linear-gradient(135deg, #030712, #111827);
  --badge-bg: linear-gradient(135deg, #38bdf8, #0284c7);
}

/* Light Theme Override */
[data-mode="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.1);
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --gradient-hero: linear-gradient(135deg, #f1f5f9, #e2e8f0);
}

/* --------------------------------------------------------------------------
   2. CORE RESETS & TYPOGRAPHY
   -------------------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

html, body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
  position: relative;
  line-height: 1.6;
  -webkit-overflow-scrolling: touch;
  touch-action: manipulation;
  overscroll-behavior-x: none;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-dark);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* --------------------------------------------------------------------------
   3. GLASSMORPHISM & UTILITY CLASSES
   -------------------------------------------------------------------------- */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  border-radius: 16px;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-primary-color {
  color: var(--primary-color) !important;
}

.badge-gold {
  background: var(--badge-bg);
  color: #000000;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.4);
}

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

.text-center {
  text-align: center;
}

.section-header {
  margin-bottom: 50px;
}

.section-subtitle {
  color: var(--primary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  color: var(--text-primary);
  margin-bottom: 15px;
}

.section-description {
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   4. BUTTONS & INTERACTIVE ELEMENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--badge-bg);
  color: #000;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.5);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

/* Floating WhatsApp & Back to Top */
.floating-btn-group {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.floating-whatsapp {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
  animation: pulse-whatsapp 2s infinite;
  transition: transform 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

.back-to-top {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-color);
  color: #000;
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --------------------------------------------------------------------------
   5. ANIMATIONS & REVEALS
   -------------------------------------------------------------------------- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Shimmer Loading Effect */
.skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, rgba(255,255,255,0.05) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

/* --------------------------------------------------------------------------
   6. BRAND PORTFOLIO & THEME STYLES (Titan, Fastrack, Casio, Fossil, Seiko)
   -------------------------------------------------------------------------- */
:root {
  --titan-gold: #d4af37;
  --titan-dark: #0a0e17;
  --fastrack-lime: #a3e635;
  --casio-blue: #0284c7;
  --fossil-brown: #8b4513;
  --sonata-red: #e11d48;
}

.brand-tag-titan { background: linear-gradient(135deg, #d4af37, #997a15); color: #000; font-weight: 700; }
.brand-tag-fastrack { background: linear-gradient(135deg, #a3e635, #65a30d); color: #000; font-weight: 700; }
.brand-tag-casio { background: linear-gradient(135deg, #0284c7, #0369a1); color: #fff; font-weight: 700; }
.brand-tag-fossil { background: linear-gradient(135deg, #8b4513, #5c2e0b); color: #fff; font-weight: 700; }

.tech-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  background: rgba(0, 0, 0, 0.3);
  padding: 15px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-top: 15px;
}

.tech-spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tech-spec-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tech-spec-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}