/* 
  AURON FITNESS EQUIPMENT - "Yenileniyoruz" Official Landing Page
  Design System & Stylesheet
*/

:root {
  /* Color Palette matching Auron Brand */
  --bg-dark: #070709;
  --bg-card: rgba(18, 18, 24, 0.65);
  
  --primary-orange: #FF3B00;
  --primary-orange-light: #FF5A1F;
  --primary-orange-glow: rgba(255, 59, 0, 0.4);
  --orange-accent: #FF7D32;
  
  --text-main: #FFFFFF;
  --text-secondary: #E0E0E6;
  --text-muted: #8E8E9F;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(255, 77, 0, 0.35);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Grotesk', monospace;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

/* Background Canvas & Mesh Layer */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 1;
  pointer-events: none;
}

/* Ambient Glow Overlays */
.ambient-glow-center {
  position: fixed;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70vw;
  height: 70vh;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(
    circle, 
    rgba(255, 59, 0, 0.14) 0%, 
    rgba(255, 77, 0, 0.04) 45%, 
    transparent 75%
  );
  filter: blur(80px);
  z-index: 2;
  pointer-events: none;
  animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.7; transform: translate(-50%, -50%) scale(0.92); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

.low-poly-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 50%, transparent 20%, rgba(7, 7, 9, 0.85) 90%),
    linear-gradient(to bottom, rgba(7, 7, 9, 0.4), rgba(7, 7, 9, 0.95));
  z-index: 3;
  pointer-events: none;
}

/* Navigation / Header Bar */
.header-bar {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 2rem 4rem;
  padding-top: max(1.5rem, env(safe-area-inset-top));
  width: 100%;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  min-height: 42px;
}

.lang-btn:hover {
  background: rgba(255, 59, 0, 0.15);
  border-color: var(--border-glow);
  color: var(--text-main);
  transform: translateY(-2px);
}

.lang-btn:active {
  transform: scale(0.96);
}

/* Main Container Layout */
.main-wrapper {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem 2rem 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  flex: 1;
  width: 100%;
}

/* Logo Section */
.logo-container {
  margin-bottom: 2rem;
  position: relative;
  transition: var(--transition-normal);
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-img {
  max-width: 380px;
  width: 85vw;
  height: auto;
  filter: drop-shadow(0 15px 30px rgba(255, 59, 0, 0.25));
  transition: var(--transition-normal);
}

.logo-container:hover .logo-img {
  filter: drop-shadow(0 20px 45px rgba(255, 59, 0, 0.45));
}

/* Typography */
.title-yenileniyoruz {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 6.5vw, 5.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 1.2rem;
  line-height: 1.08;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 59, 0, 0.15);
  animation: fadeInDown 0.8s ease-out;
  word-break: keep-all;
}

.subtitle-desc {
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 780px;
  line-height: 1.6;
  margin-bottom: 1.2rem;
  opacity: 0.95;
  animation: fadeInUp 0.8s 0.2s ease-out backwards;
}

.subtext-soon {
  font-size: clamp(0.9rem, 1.5vw, 1.15rem);
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s 0.35s ease-out backwards;
}

/* Instagram Follow CTA Button */
.cta-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s 0.5s ease-out backwards;
}

.instagram-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.1rem 2.4rem;
  background: linear-gradient(135deg, #FF3B00 0%, #E6005C 60%, #833AB4 100%);
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 100px;
  box-shadow: 0 10px 30px rgba(255, 59, 0, 0.4), 0 0 20px rgba(230, 0, 92, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.instagram-btn i {
  font-size: 1.35rem;
  transition: transform 0.3s ease;
}

.instagram-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 15px 40px rgba(255, 59, 0, 0.55), 0 0 30px rgba(230, 0, 92, 0.45);
  border-color: rgba(255, 255, 255, 0.4);
}

.instagram-btn:hover i {
  transform: scale(1.18) rotate(-6deg);
}

.instagram-btn:active {
  transform: translateY(-1px) scale(0.97);
  box-shadow: 0 5px 20px rgba(255, 59, 0, 0.4);
}

/* Footer Section */
.footer-bar {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 2rem;
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(7, 7, 9, 0.65);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* Keyframes */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* Responsive Media Queries */

/* Tablet & Smaller Devices (<= 768px) */
@media (max-width: 768px) {
  .header-bar {
    padding: 1.25rem 1.5rem;
  }

  .main-wrapper {
    padding: 1rem 1.25rem 2.5rem 1.25rem;
  }
  
  .logo-img {
    max-width: 320px;
  }

  .footer-bar {
    padding: 1.25rem 1.5rem;
    font-size: 0.8rem;
  }

  .instagram-btn {
    padding: 1rem 1.6rem;
    font-size: 0.95rem;
    width: 100%;
    max-width: 420px;
  }
}

/* Mobile Portrait Devices (<= 480px) */
@media (max-width: 480px) {
  .header-bar {
    padding: 1rem 1rem;
  }

  .main-wrapper {
    padding: 0.8rem 1rem 2rem 1rem;
  }

  .logo-container {
    margin-bottom: 1.5rem;
  }

  .logo-img {
    max-width: 260px;
    width: 82vw;
  }

  .title-yenileniyoruz {
    font-size: clamp(2rem, 9.5vw, 2.9rem);
    margin-bottom: 0.9rem;
  }

  .subtitle-desc {
    font-size: 0.98rem;
    line-height: 1.55;
    margin-bottom: 1rem;
  }

  .subtext-soon {
    font-size: 0.88rem;
    margin-bottom: 2rem;
  }

  .instagram-btn {
    padding: 0.9rem 1.2rem;
    font-size: 0.88rem;
    border-radius: 50px;
    gap: 0.6rem;
  }

  .instagram-btn i {
    font-size: 1.2rem;
  }

  .footer-bar {
    padding: 1rem;
    font-size: 0.75rem;
    line-height: 1.4;
  }
}

/* Small Mobile Screens (<= 360px) */
@media (max-width: 360px) {
  .logo-img {
    max-width: 210px;
  }

  .title-yenileniyoruz {
    font-size: 1.85rem;
  }

  .subtitle-desc {
    font-size: 0.9rem;
  }

  .instagram-btn {
    padding: 0.85rem 1rem;
    font-size: 0.82rem;
  }
}

/* Short height / Mobile Landscape Mode */
@media (max-height: 700px) and (orientation: landscape) {
  .header-bar {
    padding: 0.75rem 1.5rem;
  }

  .main-wrapper {
    padding: 0.5rem 1.5rem 1.5rem 1.5rem;
  }

  .logo-container {
    margin-bottom: 0.8rem;
  }

  .logo-img {
    max-width: 200px;
  }

  .title-yenileniyoruz {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
  }

  .subtitle-desc {
    font-size: 0.95rem;
    margin-bottom: 0.6rem;
  }

  .subtext-soon {
    margin-bottom: 1.2rem;
  }

  .cta-container {
    margin-bottom: 1rem;
  }

  .instagram-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.88rem;
  }

  .footer-bar {
    padding: 0.75rem 1.5rem;
  }
}