/* === design-system.css === */
/**
 * Spirit Lake 3D - Design System
 * Single source of truth for all design tokens
 */

/* =============================================
   COLOR PALETTE
   ============================================= */
:root {
  /* Background Colors */
  --bg-primary: #050810;
  --bg-secondary: #0a0f1a;
  --bg-tertiary: #111827;
  --bg-elevated: #1a2332;

  /* Surface Colors */
  --surface-primary: rgba(17, 24, 39, 0.8);
  --surface-secondary: rgba(26, 35, 50, 0.9);
  --surface-glass: rgba(17, 24, 39, 0.6);
  --surface-hover: rgba(34, 45, 65, 0.8);

  /* Border Colors */
  --border-primary: rgba(75, 85, 99, 0.4);
  --border-secondary: rgba(75, 85, 99, 0.2);
  --border-accent: rgba(20, 184, 166, 0.3);
  --border-glow: rgba(20, 184, 166, 0.5);

  /* Text Colors */
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-tertiary: #6b7280;
  --text-muted: #4b5563;

  /* Accent Colors - Primary (Teal) */
  --accent-primary: #14b8a6;
  --accent-primary-light: #2dd4bf;
  --accent-primary-dark: #0d9488;
  --accent-primary-glow: rgba(20, 184, 166, 0.4);
  --accent-primary-subtle: rgba(20, 184, 166, 0.1);

  /* Accent Colors - Secondary (Emerald) */
  --accent-secondary: #10b981;
  --accent-secondary-light: #34d399;
  --accent-secondary-dark: #059669;
  --accent-secondary-glow: rgba(16, 185, 129, 0.4);
  --accent-secondary-subtle: rgba(16, 185, 129, 0.1);

  /* Accent Colors - Tertiary (Cyan) */
  --accent-tertiary: #06b6d4;
  --accent-tertiary-light: #22d3ee;
  --accent-tertiary-glow: rgba(6, 182, 212, 0.4);

  /* Status Colors */
  --color-success: #10b981;
  --color-success-light: #34d399;
  --color-success-glow: rgba(16, 185, 129, 0.4);
  --color-warning: #f59e0b;
  --color-warning-light: #fbbf24;
  --color-error: #ef4444;
  --color-error-light: #f87171;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-tertiary) 100%);
  --gradient-surface: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  --gradient-glow: linear-gradient(180deg, var(--accent-primary) 0%, transparent 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 0%, var(--accent-primary) 50%, var(--accent-secondary) 100%);
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-primary-glow) 0%, transparent 60%);

  /* =============================================
     TYPOGRAPHY
     ============================================= */

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* =============================================
     SPACING
     ============================================= */

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* =============================================
     SIZING
     ============================================= */

  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;

  --header-height: 70px;
  --header-height-mobile: 60px;

  --content-max-width: clamp(800px, 85vw, 1400px);

  /* =============================================
     BORDERS & RADIUS
     ============================================= */

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --border-width: 1px;
  --border-width-2: 2px;

  /* =============================================
     SHADOWS
     ============================================= */

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  --shadow-glow-sm: 0 0 15px var(--accent-primary-glow);
  --shadow-glow-md: 0 0 30px var(--accent-primary-glow);
  --shadow-glow-lg: 0 0 50px var(--accent-primary-glow);

  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-card-glow: 0 0 40px var(--accent-primary-glow), 0 8px 40px rgba(0, 0, 0, 0.3);

  /* =============================================
     TRANSITIONS & ANIMATIONS
     ============================================= */

  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;

  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  --transition-fast: all var(--duration-fast) var(--ease-out);
  --transition-normal: all var(--duration-normal) var(--ease-out);
  --transition-slow: all var(--duration-slow) var(--ease-out);

  /* =============================================
     Z-INDEX SCALE
     ============================================= */

  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-toast: 800;
  --z-max: 999;
}

/* Responsive font sizes */
@media (max-width: 768px) {
  :root {
    --text-4xl: 2rem;
    --text-5xl: 2.5rem;
    --text-6xl: 3rem;
  }
}

@media (max-width: 480px) {
  :root {
    --text-3xl: 1.75rem;
    --text-4xl: 1.875rem;
    --text-5xl: 2.25rem;
    --text-6xl: 2.5rem;
  }
}

/* =============================================
   CSS RESET & BASE STYLES
   ============================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--accent-primary-light);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  line-height: var(--leading-relaxed);
}

::selection {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* =============================================
   KEYFRAME ANIMATIONS
   ============================================= */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-primary-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-primary-glow), 0 0 60px var(--accent-primary-glow);
  }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Animation utility classes */
.animate-fade-in { animation: fadeIn var(--duration-normal) var(--ease-out); }
.animate-fade-in-up { animation: fadeInUp var(--duration-slow) var(--ease-out); }
.animate-fade-in-down { animation: fadeInDown var(--duration-slow) var(--ease-out); }
.animate-slide-in-left { animation: slideInLeft var(--duration-slow) var(--ease-out); }
.animate-slide-in-right { animation: slideInRight var(--duration-slow) var(--ease-out); }
.animate-pulse { animation: pulse 2s var(--ease-in-out) infinite; }
.animate-glow { animation: glow 2s var(--ease-in-out) infinite; }
.animate-float { animation: float 3s var(--ease-in-out) infinite; }
.animate-scale-in { animation: scaleIn var(--duration-normal) var(--ease-out); }


/* === layout.css === */
/**
 * Spirit Lake 3D - Layout Styles
 * Core layout: header, content, footer (no sidebar)
 */

/* =============================================
   SITE FRAME
   ============================================= */

.site-frame {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

.site-frame::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: var(--gradient-hero);
  pointer-events: none;
  z-index: -1;
}

/* =============================================
   HEADER
   ============================================= */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-width) solid var(--border-secondary);
  padding: 0 var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
  transition: var(--transition-normal);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
}

.logo:hover .logo-text {
  filter: brightness(1.2);
}

.logo-icon {
  font-size: var(--text-2xl);
}

/* Header Navigation */
.header-nav {
  display: flex;
  gap: var(--space-1);
  margin-left: auto;
  align-items: center;
}

.header-nav a {
  position: relative;
  color: var(--text-secondary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
  overflow: hidden;
  border: var(--border-width) solid transparent;
}

.header-nav a:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.header-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-fast);
  border-radius: inherit;
  z-index: -1;
}

.header-nav a:hover::before {
  opacity: 0.1;
}

.header-nav a.active {
  color: var(--accent-primary);
  background: var(--accent-primary-subtle);
}

.header-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* =============================================
   MOBILE MENU
   ============================================= */

.mobile-menu-btn {
  display: none;
  color: var(--text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.mobile-menu-btn svg {
  display: block;
  width: 28px;
  height: 28px;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 16, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-modal);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.mobile-nav.active {
  display: flex;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.mobile-nav a {
  color: var(--text-primary);
  font-size: var(--text-2xl);
  font-weight: var(--font-medium);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--accent-primary);
  background: var(--accent-primary-subtle);
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  color: var(--text-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.mobile-nav-close:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

/* =============================================
   MAIN LAYOUT
   ============================================= */

.main-layout {
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  margin-top: var(--header-height);
}

/* =============================================
   CONTENT AREA
   ============================================= */

.content {
  flex: 1;
  padding: var(--space-12) var(--space-8);
  position: relative;
  z-index: 1;
}

.content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 500px;
  background: radial-gradient(
    ellipse 80% 50% at 50% -20%,
    var(--accent-primary-glow) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: -1;
}

.content-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  position: relative;
}

[id] {
  scroll-margin-top: calc(var(--header-height) + var(--space-8));
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: var(--border-width) solid var(--border-secondary);
  padding: var(--space-8) var(--space-8);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent-primary) 50%,
    transparent 100%
  );
  opacity: 0.3;
}

.footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer a {
  color: var(--text-secondary);
}

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

.footer-links {
  display: flex;
  gap: var(--space-6);
}

/* =============================================
   RESPONSIVE - MOBILE
   ============================================= */

@media (max-width: 768px) {
  .header {
    padding: 0 var(--space-4);
    height: var(--header-height-mobile);
  }

  .header-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .main-layout {
    margin-top: var(--header-height-mobile);
  }

  .content {
    padding: var(--space-8) var(--space-4);
  }

  .content::before {
    height: 300px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  [id] {
    scroll-margin-top: calc(var(--header-height-mobile) + var(--space-8));
  }
}

@media (max-width: 480px) {
  .header {
    padding: 0 var(--space-3);
  }

  .content {
    padding: var(--space-6) var(--space-3);
  }

  .mobile-nav a {
    font-size: var(--text-xl);
    padding: var(--space-3) var(--space-6);
  }
}

/* Large screens */
@media (min-width: 1440px) {
  .content {
    padding: var(--space-16) var(--space-12);
  }
}

@media (min-width: 1920px) {
  .content {
    padding: var(--space-20) var(--space-16);
  }
}


/* === components.css === */
/**
 * Spirit Lake 3D - Component Styles
 * Buttons, cards, grids, product cards, lightbox, filter bar
 */

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: none;
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  box-shadow: var(--shadow-glow-sm);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-md);
  color: var(--bg-primary);
}

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

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--surface-glass);
  color: var(--text-secondary);
  border: var(--border-width) solid var(--border-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  background: var(--accent-primary-subtle);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-xl);
}

/* =============================================
   CARDS
   ============================================= */

.card {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--border-width) solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

/* Feature Card */
.feature-card {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--border-width) solid var(--border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: var(--transition-normal);
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card .feature-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  display: block;
}

.feature-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

/* CTA Card */
.cta-card {
  background: var(--gradient-surface);
  border: var(--border-width) solid var(--border-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.cta-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 200px;
  background: radial-gradient(ellipse at center bottom, var(--accent-primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.cta-card > p {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   PRODUCT CARD
   ============================================= */

.product-card {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--border-width) solid var(--border-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
}

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

.product-card-image {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.product-card-image img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-image .zoom-icon {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: rgba(5, 8, 16, 0.7);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

.product-card:hover .zoom-icon {
  opacity: 1;
}

.product-card-body {
  padding: var(--space-4);
}

.product-card-body h3 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.product-card-body .product-category {
  font-size: var(--text-xs);
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-3);
}

.product-card-body .btn {
  width: 100%;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}

/* =============================================
   PRODUCT GRID
   ============================================= */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

/* =============================================
   CATEGORY FILTER BAR
   ============================================= */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  justify-content: center;
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: var(--surface-glass);
  border: var(--border-width) solid var(--border-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.filter-btn.active {
  color: var(--bg-primary);
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: var(--shadow-glow-sm);
}

/* =============================================
   SERVICE CARD
   ============================================= */

.service-card {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--border-width) solid var(--border-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition-normal);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card .service-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  display: block;
}

.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.service-card p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* =============================================
   LIGHTBOX
   ============================================= */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  cursor: default;
  animation: scaleIn var(--duration-normal) var(--ease-out);
}

.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  color: var(--text-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  cursor: pointer;
  background: rgba(17, 24, 39, 0.6);
}

.lightbox-close:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

/* =============================================
   PROCESS STEPS
   ============================================= */

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin: var(--space-10) 0;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0.3;
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--bg-primary);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.process-step h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* =============================================
   HERO SECTIONS
   ============================================= */

.hero {
  text-align: center;
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: var(--border-width) solid var(--border-secondary);
}

.hero h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
}

.hero p {
  color: var(--text-secondary);
  font-size: var(--text-xl);
  max-width: 700px;
  margin: 0 auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

/* =============================================
   SECTION HEADERS
   ============================================= */

.section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-header h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.section-header p {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   GRIDS
   ============================================= */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

/* =============================================
   SECTIONS
   ============================================= */

.section {
  margin-bottom: var(--space-16);
}

.section-border {
  padding-bottom: var(--space-12);
  border-bottom: var(--border-width) solid var(--border-secondary);
}

/* =============================================
   SHOWCASE / EQUIPMENT SECTION
   ============================================= */

.showcase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  margin-bottom: var(--space-12);
}

.showcase-item.reverse {
  direction: rtl;
}

.showcase-item.reverse > * {
  direction: ltr;
}

.showcase-content h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.showcase-content p {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.showcase-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: var(--border-width) solid var(--border-primary);
  box-shadow: var(--shadow-xl);
  transition: var(--transition-normal);
}

.showcase-image:hover img {
  box-shadow: var(--shadow-card-glow);
  transform: scale(1.02);
}

/* =============================================
   CONTACT CARD
   ============================================= */

.contact-card {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--border-width) solid var(--border-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-normal);
}

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

.contact-card .contact-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  display: block;
}

.contact-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.contact-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

/* =============================================
   CONTACT FORM
   ============================================= */

.contact-form-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-secondary);
  border: var(--border-width) solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  transition: var(--transition-fast);
  width: 100%;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-subtle);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

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

.contact-form .btn {
  align-self: flex-start;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
}

.form-success.active {
  display: block;
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.form-success h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  color: var(--accent-primary);
}

.form-success p {
  color: var(--text-secondary);
  font-size: var(--text-lg);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form .btn {
    align-self: stretch;
  }
}

/* =============================================
   BADGE / LABEL
   ============================================= */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  background: var(--accent-primary-subtle);
  color: var(--accent-primary);
  border: var(--border-width) solid var(--border-accent);
}

.label {
  display: inline-block;
  background: var(--accent-primary-subtle);
  color: var(--accent-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-3);
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
  .features-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .process-step::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .features-grid,
  .services-grid,
  .contact-grid,
  .values-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .showcase-item {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .showcase-item.reverse {
    direction: ltr;
  }

  .cta-card {
    padding: var(--space-8) var(--space-6);
  }

  .hero h1 {
    font-size: var(--text-3xl);
  }

  .hero p {
    font-size: var(--text-base);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
  }

  .section-header h2 {
    font-size: var(--text-2xl);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: var(--text-2xl);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .product-card-body {
    padding: var(--space-3);
  }

  .product-card-body h3 {
    font-size: var(--text-sm);
  }

  .feature-card,
  .service-card {
    padding: var(--space-5);
  }
}

/* Large screens */
@media (min-width: 1440px) {
  .features-grid,
  .services-grid {
    gap: clamp(1.5rem, 2vw, 2.5rem);
  }

  .feature-card,
  .service-card {
    padding: clamp(1.5rem, 2vw, 2.5rem);
  }

  .hero h1 {
    font-size: clamp(3rem, 4vw, 5rem);
  }

  .hero p {
    font-size: clamp(1.25rem, 1.5vw, 1.75rem);
    max-width: clamp(700px, 50vw, 900px);
  }

  .section-header h2 {
    font-size: clamp(2rem, 2.5vw, 3rem);
  }

  .cta-card {
    padding: clamp(3rem, 4vw, 5rem);
  }

  .cta-card h2 {
    font-size: clamp(2rem, 2.5vw, 3rem);
  }
}


/* === main.css === */
/**
 * Spirit Lake 3D - Main Stylesheet
 * Imports all CSS modules + page-specific + utilities
 */

/* =============================================
   UTILITY CLASSES
   ============================================= */

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

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-accent { color: var(--accent-primary); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-col { flex-direction: column; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 10000;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: var(--space-3);
}

/* Gradient text utility */
.gradient-text {
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}